Background Cotton crop is infested by numerous arthropod pests from sowing to harvesting,causing substantial direct and indirect yield losses.Knowledge of seasonal population trends and the relative occurrence of pest...Background Cotton crop is infested by numerous arthropod pests from sowing to harvesting,causing substantial direct and indirect yield losses.Knowledge of seasonal population trends and the relative occurrence of pests and their natural enemies is required to minimize the pest population and yield losses.In the current study,analysis of the seasonal population trend of pests and natural enemies and their relative occurrence on cultivars of three cotton species in Central India has been carried out.Results A higher number and diversity of sucking pests were observed during the vegetative cotton growth stage(60 days after sowing),declining as the crop matured.With the exception of cotton jassid(Amrasca biguttula biguttula Ishida),which caused significant crop damage mainly from August to September;populations of other sucking insects seldom reached economic threshold levels(ETL)throughout the studied period.The bollworm complex populations were minimal,except for the pink bollworm(Pectinophora gossypiella Saunders),which re-emerged as a menace to cotton crops during the cotton cropping season 2017–2018 due to resistance development against Bt-cotton.A reasonably good number of predatory arthropods,including coccinellids,lacewings,and spiders,were found actively preying on the arthropod pest complex of the cotton crop during the early vegetative growth stage.Linear regression indicates a significant relationship between green boll infestations and pink bollworm moths in pheromone traps.Multiple linear regression analyse showed mean weekly weather at one-or two-week lag periods had a significant impact on sucking pest population(cotton aphid,cotton jassid,cotton whitefly,and onion thrips)fluctuation.Gossypium hirsutum cultivars RCH 2 and DCH 32,and G.barbadense cultivar Suvin were found susceptible to cotton jassid and onion thrips.Phule Dhanvantary,an G.arboreum cotton cultivar,demonstrated the highest tolerance among all evaluated cultivars against all sucking pests.Conclusion These findings have important implications for pest management in cotton crops.Susceptible cultivars warrant more attention for plant protection measures,making them more input-intensive.The choice of appropriate cultivars can help minimize input costs,thereby increasing net returns for cotton farmers.展开更多
Atrial fibrillation(AF)/atrial flutter(AFL)is the most common sustained cardiac arrhythmia.The known risk factors for developing AF/AFL include age,structural heart disease,hypertension,diabetes mellitus,or hyperthyro...Atrial fibrillation(AF)/atrial flutter(AFL)is the most common sustained cardiac arrhythmia.The known risk factors for developing AF/AFL include age,structural heart disease,hypertension,diabetes mellitus,or hyperthyroidism.This study aims to attribute the trends in AF/AFL-related mortalities over the past two decades 1999-2020 concerning race and sex and disparity among them.To the best of our knowledge,this is the first study that estimates the trends and mortality due to AF/AFL from 1999-2020 in older adults in the United States.In this 21-year analysis of mortality data,we found a constant increase in mortality rates due to AF/AFL in older adults.From 1999 to 2020,the overall mortality in older adults aged 65 and above,regardless of sex and race,is found to be almost doubled i.e.about a 50.2%increase in the number of deaths due to AF/AFL.Furthermore,other confounding risk factors such has obesity,prior myocardial infarction,inflammation,hypertension,birth weight,diabetes mellitus,hyperthyroidism,hormone replacement therapy in menopausal women increases the risk in the occurrence or recurrent occurrence of AF.展开更多
Lung cancer, the leading cause of cancer deaths worldwide and in China, has a 19.7% five-year survival rate due to terminal-stage diagnosis^([1-3]).Although low-dose computed tomography(CT) screening can reduce mortal...Lung cancer, the leading cause of cancer deaths worldwide and in China, has a 19.7% five-year survival rate due to terminal-stage diagnosis^([1-3]).Although low-dose computed tomography(CT) screening can reduce mortality, high false positive rates can create economic and psychological burdens.展开更多
Objective:Keratoconus(KC)is a progressive corneal ectasia disorder,arising from a myriad of causes including genetic predispositions,environmental factors,biomechanical influences,and inflammatory reactions.This study...Objective:Keratoconus(KC)is a progressive corneal ectasia disorder,arising from a myriad of causes including genetic predispositions,environmental factors,biomechanical influences,and inflammatory reactions.This study aims to identify potential pathogenetic gene mutations in patients with sporadic KC in the Han Chinese population.Methods:Twenty-five patients with primary KC as well as 50 unrelated population matched healthy controls,were included in this study to identify potential pathogenic gene mutations among sporadic KC patients in the Han Chinese population.Sanger sequencing and whole-exome sequencing(WES)were used to analyze mutations in the zinc finger protein 469(ZNF469)gene.Bioinformatics analysis was conducted to explore the potential role of ZNF469 in KC pathogenesis.Results:Five novel heterozygous missense variants were identified in KC patients.Among them,2 compound heterozygous variants,c.8986G>C(p.E2996Q)with c.11765A>C(p.D3922A),and c.4423C>G(p.L1475V)with c.10633G>A(p.G3545R),were determined to be possible pathogenic factors for KC.Conclusion:Mutations in the ZNF469 gene may contribute to the development of KC in the Han Chinese population.These mutation sites may provide valuable information for future genetic screening of KC patients and their families.展开更多
In this paper,we investigate the periodic traveling wave solutions problem for a single population model with advection and distributed delay.By the bifurcation analysis method,we can obtain periodic traveling wave so...In this paper,we investigate the periodic traveling wave solutions problem for a single population model with advection and distributed delay.By the bifurcation analysis method,we can obtain periodic traveling wave solutions for this model under the influence of advection term and distributed delay.The obtained results indicate that weak kernel and strong kernel can both deduce the existence of periodic traveling wave solutions.Finally,we apply the main results in this paper to Logistic model and Nicholson’s blowflies model.展开更多
This letter demonstrates an experimental approach to measuring the angular-momentum-resolved population of excited states in laser-produced argon ions.By measuring the spectra of free induction decay emissions corresp...This letter demonstrates an experimental approach to measuring the angular-momentum-resolved population of excited states in laser-produced argon ions.By measuring the spectra of free induction decay emissions corresponding to the resonant transitions between Rydberg states,the relative population of the Rydberg states is obtained with known Einstein A-coefficients.This study deepens the mechanistic understanding of coherent dynamics in laser-driven ionic excited states,and establishes experimental benchmarks essential for validating and refining advanced quantum kinetic models in strong-field physics.展开更多
National Population Health Data Center(NPHDC)is one of China's 20 national-level science data centers,jointly designated by the Ministry of Science and Technology and the Ministry of Finance.Operated by the Chines...National Population Health Data Center(NPHDC)is one of China's 20 national-level science data centers,jointly designated by the Ministry of Science and Technology and the Ministry of Finance.Operated by the Chinese Academy of Medical Sciences under the oversight of the National Health Commission,NPHDC adheres to national regulations including the Scientific Data Management Measures and the National Science and Technology Infrastructure Service Platform Management Measures,and is committed to collecting,integrating,managing,and sharing biomedical and health data through openaccess platform,fostering open sharing and engaging in international cooperation.展开更多
Bangladesh has a denser population in comparison with many other countries. Though the rate of population increase has been regarded as a concerning issue, estimation of the population instability in the upcoming year...Bangladesh has a denser population in comparison with many other countries. Though the rate of population increase has been regarded as a concerning issue, estimation of the population instability in the upcoming years may be useful for national planning. To predict Bangladesh’s future population, this study compares the estimated populations of two popular population models, the Malthusian and the logistic population models, with the country’s census population published by BBS. We also tried to find out which model gives a better approximation for forecasting the past, present, and future population between these two models.展开更多
Evidence has shown that differential transcriptomic profiles among human populations from diverse ancestries,supporting the role of genetic architecture in regulating gene expression alongside environmental stimuli.Ge...Evidence has shown that differential transcriptomic profiles among human populations from diverse ancestries,supporting the role of genetic architecture in regulating gene expression alongside environmental stimuli.Genetic variants that regulate gene expression,known as expression quantitative trait loci(eQTL),are primarily shaped by human migration history and evolutionary forces,likewise,regulation of gene expression in principle could have been influenced by these events.Therefore,a comprehensive understanding of how human evolution impacts eQTL offers important insights into how phenotypic diversity is shaped.Recent studies,however,suggest that eQTL is enriched in genes that are selectively constrained.Whether eQTL is minimally affected by selective pressures remains an open question and requires comprehensive investigations.In addition,such studies are primarily dominated by the major populations of European ancestry,leaving many marginalized populations underrepresented.These observations indicate there exists a fundamental knowledge gap in the role of genomics variation on phenotypic diversity,which potentially hinders precision medicine.This article aims to revisit the abundance of eQTL across diverse populations and provide an overview of their impact from the population and evolutionary genetics perspective,subsequently discuss their influence on phenomics,as well as challenges and opportunities in the applications to precision medicine.展开更多
Background: Tooth loss results in impaired mastication, which in turn, makes it difficult to chew hard food, consequently leading to deteriorate dietary habits and to develop hypertension. The purpose of this study wa...Background: Tooth loss results in impaired mastication, which in turn, makes it difficult to chew hard food, consequently leading to deteriorate dietary habits and to develop hypertension. The purpose of this study was to examine the effect of tooth loss on blood pressure among Congolese population. Methods: A cross-sectional study was conducted from October 2019 until December 2023 among Congolese population aged at least 30 years reporting to the living in DR Congo. All participants were enrolled from Dental Clinic located in the DR Congo. To be eligible to participate in the study, were the willing to participate and having signed informed consent;had a missing tooth;had carried out blood pressure measurement (hypertension/normotensive). The exclusion criteria were determined: being less than 30 years old, being pregnant for women considering the risk of existing gestational hypertension, obesity, excessive alcohol consumption, smoking, and diabetes. Hypertension was defined as the mean of three measurements of systolic blood pressure (SBP) (140 mmHg or higher), diastolic blood pressure (DBP) (90 mm or higher) or physician diagnosed hypertension confirmed from medical records. We determined the number of tooth loss from oral examination. A multivariable logistic regression model was used to investigate the effect of tooth loss on blood pressure. Results: In all, 25,396 participants were enrolled among Congolese population for this study. After oral examination, 13,421 were excluded for no tooth loss and 11,975 participants were selected. The average number of tooth loss among study population was 11.06. Among the participants with hypertension had lost an average of 11 teeth, significantly higher than those without hypertension (6.09) (p = 0.001). After adjusting for covariates (socio-demographic characteristics), tooth loss (>10) was significantly associated with hypertension, with OR = 1.32 (95% CI 1.073 - 2.38). Conclusion: Tooth loss maybe associated with severe hypertension among Congolese population adults. Prevention of tooth loss is very important to the overall health of this population.展开更多
Device-based measurements are recommended to improve population-based physical activity(PA)surveillance.1,2However,implementation remains challenging due to lack of consensus on analytical methods,and the most widely ...Device-based measurements are recommended to improve population-based physical activity(PA)surveillance.1,2However,implementation remains challenging due to lack of consensus on analytical methods,and the most widely used“generic”(absolute intensity)cut-point approach has limited generalisability to population-level free-living data.Further,current methods generally fail to account for differences in people's physical capacity.展开更多
Bees are essential to human life and ecosystems,significantly contributing to medicine,economics,and environmental equilibrium.Bees serve an essential function as pollinators,facilitating the cultivation of various fr...Bees are essential to human life and ecosystems,significantly contributing to medicine,economics,and environmental equilibrium.Bees serve an essential function as pollinators,facilitating the cultivation of various fruits and vegetables.Bees contribute approximately 117 billion US dollars annually to the economy through their role in crop pollination.They have a direct impact on 35%of agricultural crops and 84%of cultivated plants.Bee products,including honey,propolis,and royal jelly,have been utilized in various traditional medicine practices across numerous countries.These substances have been utilized for their anti-inflammatory,antioxidant,and antibacterial properties.In addition to their economic,ecological,and medical significance,they serve as bioindicators for assessing the health of ecological systems by monitoring distribution and population dynamics.This offers important insights into the current situation,especially regarding the substantial impacts of climate change on the environment.This article seeks to synthesize data from various studies to examine the impact of climate change on bee populations and their habitats.This study illustrates the significant effects of future climate models for 2050 and 2070 on bee distribution,resulting in the decline of specific species populations.展开更多
Sechium edule(chayote)is an important vegetable crop belonging to the Cucurbitaceae family.To decipher the chayote genome,a highquality chromosome-level chayote genome was obtained by genome sequencing and bioinformat...Sechium edule(chayote)is an important vegetable crop belonging to the Cucurbitaceae family.To decipher the chayote genome,a highquality chromosome-level chayote genome was obtained by genome sequencing and bioinformatic analysis.The total length was612.91 Mb,and 25755 genes were detected in the chayote genome.The contig N50 was more than 20.01 Mb,and the scaffold N50 was over47.11 Mb.Of the genome,60.35%were composed of repetitive sequences,and 31.18%of genome sequences belonged to long-terminal repeats.A global alignment of homologous regions in chayote and other Cucurbitaceae plant genomes was constructed using grape as a reference.Based on this genome-wide and global alignment map,researchers can easily identify homologous collinear genes of the studied genomes in most Cucurbitaceae species.Twenty-five chayote accessions were divided into two subgroups based on phylogenetic tree,population structure analysis,and principal component analysis using genome re-sequencing data.The chayote genome,re-sequencing dataset,and comprehensive genomic analysis will accelerate comparative and functional genomic analysis of chayote and other Cucurbitaceae species in the future.展开更多
Objective:To characterize the pediatric population with cutaneous leishmaniasis treated at a research center and to determine the therapeutic response and safety of the treatment.Methods:A cross-sectional study was de...Objective:To characterize the pediatric population with cutaneous leishmaniasis treated at a research center and to determine the therapeutic response and safety of the treatment.Methods:A cross-sectional study was designed,in which data related to sociodemographic information,history of leishmaniasis,clinical characteristics,treatment,therapeutic response and adverse events were collected from the review of the clinical records.Results:The analysis was conducted in 156 pediatric patients with median age of 10.5(6-14)years.Regarding clinical and therapeutic characteristics,the lesions in these patients were mostly single ulcers,primarily located on the upper and lower extremities.A total of 114 patients were managed at Programa de Estudio y Control de Enfermedades Tropicales(PECET),and 26 of them received more than one treatment.Upon administration of the first therapeutic option,intralesional meglumine antimoniate had a cure rate of 43.18%(19/44 patients),followed by systemic meglumine antimoniate with a cure rate of 40%(8/20)and topical investigational medication with a cure rate of 25%(5/20).The most frequent adverse events were:arthralgia and myalgia for systemic meglumine antimoniate;nausea and vomiting for miltefosine;and local pain,edema,erythema and rash for topical treatment.Conclusions:Although more prospective studies are needed to generate evidence-based recommendations and management protocols,miltefosine appears to be a favorable,safe and well-tolerated therapeutic option for the pediatric population.Despite the high percentage of loss to follow-up,the success achieved in pediatric patients with local treatments suggests that local therapies could also be considered for managing this condition in this population.展开更多
Understanding how species diverge and adapt is fundamental to unraveling biodiversity.While environmental impacts on species evolution are well-documented,the roles of intrinsic life-history traits remain underexplore...Understanding how species diverge and adapt is fundamental to unraveling biodiversity.While environmental impacts on species evolution are well-documented,the roles of intrinsic life-history traits remain underexplored.The Qinghai-Xizang Plateau,with its harsh conditions and unique biodiversity,offers a natural laboratory for such investigations.Here,we examine two sympatric small mammals—the solitary,low-dispersal plateau zokor(Eospalax baileyi)and the social,high-dispersal plateau pika(Ochotona curzoniae)—to elucidate how life-history traits shape population structures and adaptive strategies.Through whole-genome sequencing and cardiac-blood phenotype analyses,we reveal striking differences in their evolutionary trajectories.Despite enduring similar environmental pressures,plateau zokor populations exhibit pronounced genetic subdivisions,high inbreeding,and distinct local adaptations.In contrast,plateau pika populations display genetic panmixia,widespread diversity,and adaptive uniformity.Demographic inference highlights that plateau zokors experienced severe population bottlenecks and restricted gene flow during glacial periods,underscoring the impact of dispersal capacity on evolutionary outcomes.Our findings demonstrate that intrinsic biological traits,particularly dispersal ability,fundamentally influence genetic architecture,population connectivity,and local adaptation.This study not only provides empirical evidence of how life-history traits shape evolutionary dynamics but also offers a framework for integrating intrinsic and extrinsic factors in understanding biodiversity formation.展开更多
Ctenophore Pleurobrachia globosa(P.globosa)invades even the northernmost Bohai Sea from the south of China.Three years(2019-2021)of surveys were conducted in the Bohai Bay(BoB)of the Bohai Sea to examine its populatio...Ctenophore Pleurobrachia globosa(P.globosa)invades even the northernmost Bohai Sea from the south of China.Three years(2019-2021)of surveys were conducted in the Bohai Bay(BoB)of the Bohai Sea to examine its population dynamics and potential impact on nuclear power plants.Results show that P.globosa mainly occurred from July to October each year,reaching the maximum abundance in August/September and even bloomed in August 2020.Correlations with environmental factors indicate this species has strong tolerance to acidification and hypoxia,and it has potentially indirect feeding relationship with phytoplankton.Seven stages in three groups were illustrated in life history of P.globosa.Two entire generations were detected in August,confirming its 2-week generation time.Spawning time started earlier in the south than in the north of BoB.The spatiotemporal variation and life cycle of P.globosa in BoB are useful for further study on the invasion,bloom,aggregation,and regeneration of P.globosa.展开更多
Dear Editor,Enterovirus 71(EV71)is the main pathogen of hand,foot,and mouth disease(HFMD),which is a serious public health threat,especially in the Asia-Pacific region(Wu et al.,2013).Due to the lack of effective anti...Dear Editor,Enterovirus 71(EV71)is the main pathogen of hand,foot,and mouth disease(HFMD),which is a serious public health threat,especially in the Asia-Pacific region(Wu et al.,2013).Due to the lack of effective antivirals for treatment,supportive therapy remains to be the primary measure for severe infections of EV71.EV71 belongs to the genus Enterovirus in the family of Picornavirridae.EV71 encodes a polyprotein that is proteolytically cleaved into four structural proteins and seven nonstructural proteins,i.e.,VP1 to VP4,2A to 2C,and 3A to 3D.Moreover,an alternative encoding strategy of harboring a novel open reading frame encoding a short peptide has been recently reported in gut epithelial cells infected with some enteroviruses(Lulla et al.,2019).Structural proteins play a key role in the packaging and maturation of virus particles,while non-structural proteins are mainly involved in the replication process of virus.Among them,the 3D polymerase(3Dpol)protein functions as an RNA-dependent RNA polymerase(RdRP)that is essential for viral RNA synthesis(Wu et al.,2010).展开更多
Objective:To describe temporal changes associated with deployment of an optical character recognition(OCR)-enabled OneIdentity(One-ID)digital platform for rural cervical cancer screening,focusing on over-screening rat...Objective:To describe temporal changes associated with deployment of an optical character recognition(OCR)-enabled OneIdentity(One-ID)digital platform for rural cervical cancer screening,focusing on over-screening rates,CIN2+detection,colposcopy follow-up,and CIN2+management.Methods:A multi-county pre-post observational study was conducted in six rural counties in Shanxi,Yunnan,and Sichuan Provinces(2021±2024),encompassing 153,978 encounters.The digital platform integrates OCR identity capture,deterministic One-ID linkage,and real-time duplicate alerts.Over-screening proportions before and after digital deployment were compared,changes in CIN2+detection rate were evaluated,and colposcopy follow-up and CIN2+management were assessed.Differences were tested withχ2 or Fisher's exact tests.Results:Among 153,978 encounters,the proportion of over-screening decreased from 12.64%in 2023 to 0.17%in 2024 with an absolute reduction of 12.17%(95%CI:11.94±12.40;P<0.001).The share of women receiving a first screening within the preceding 3 y increased from 78.3%to 88.2%(P<0.001).Colposcopy completion improved from 64.1%to 84.9%.The CIN2+detection rate rose from 0.35%(2021±2023 pooled)to 0.67%in 2024(P<0.001)and CIN2+management completion increased from 56.0%to 76.2%(95%CI:13.3±27.2;P<0.001).These improvements were consistent across age groups,counties,and screening strategies.Conclusions:The OCR-enabled One-ID platform substantially reduced over-screening,increased CIN2+detection rate,and strengthened case follow-up/management,particularly where baseline tracking was weak,supporting scalable digital reinforcement of rural screening programmes.展开更多
基金Funding support for the Crop Pest Surveillance and Advisory Project(CROPSAP)。
文摘Background Cotton crop is infested by numerous arthropod pests from sowing to harvesting,causing substantial direct and indirect yield losses.Knowledge of seasonal population trends and the relative occurrence of pests and their natural enemies is required to minimize the pest population and yield losses.In the current study,analysis of the seasonal population trend of pests and natural enemies and their relative occurrence on cultivars of three cotton species in Central India has been carried out.Results A higher number and diversity of sucking pests were observed during the vegetative cotton growth stage(60 days after sowing),declining as the crop matured.With the exception of cotton jassid(Amrasca biguttula biguttula Ishida),which caused significant crop damage mainly from August to September;populations of other sucking insects seldom reached economic threshold levels(ETL)throughout the studied period.The bollworm complex populations were minimal,except for the pink bollworm(Pectinophora gossypiella Saunders),which re-emerged as a menace to cotton crops during the cotton cropping season 2017–2018 due to resistance development against Bt-cotton.A reasonably good number of predatory arthropods,including coccinellids,lacewings,and spiders,were found actively preying on the arthropod pest complex of the cotton crop during the early vegetative growth stage.Linear regression indicates a significant relationship between green boll infestations and pink bollworm moths in pheromone traps.Multiple linear regression analyse showed mean weekly weather at one-or two-week lag periods had a significant impact on sucking pest population(cotton aphid,cotton jassid,cotton whitefly,and onion thrips)fluctuation.Gossypium hirsutum cultivars RCH 2 and DCH 32,and G.barbadense cultivar Suvin were found susceptible to cotton jassid and onion thrips.Phule Dhanvantary,an G.arboreum cotton cultivar,demonstrated the highest tolerance among all evaluated cultivars against all sucking pests.Conclusion These findings have important implications for pest management in cotton crops.Susceptible cultivars warrant more attention for plant protection measures,making them more input-intensive.The choice of appropriate cultivars can help minimize input costs,thereby increasing net returns for cotton farmers.
文摘Atrial fibrillation(AF)/atrial flutter(AFL)is the most common sustained cardiac arrhythmia.The known risk factors for developing AF/AFL include age,structural heart disease,hypertension,diabetes mellitus,or hyperthyroidism.This study aims to attribute the trends in AF/AFL-related mortalities over the past two decades 1999-2020 concerning race and sex and disparity among them.To the best of our knowledge,this is the first study that estimates the trends and mortality due to AF/AFL from 1999-2020 in older adults in the United States.In this 21-year analysis of mortality data,we found a constant increase in mortality rates due to AF/AFL in older adults.From 1999 to 2020,the overall mortality in older adults aged 65 and above,regardless of sex and race,is found to be almost doubled i.e.about a 50.2%increase in the number of deaths due to AF/AFL.Furthermore,other confounding risk factors such has obesity,prior myocardial infarction,inflammation,hypertension,birth weight,diabetes mellitus,hyperthyroidism,hormone replacement therapy in menopausal women increases the risk in the occurrence or recurrent occurrence of AF.
基金supported by the National Natural Science Foundation of China(grant numbers 82204127 and 72204172)。
文摘Lung cancer, the leading cause of cancer deaths worldwide and in China, has a 19.7% five-year survival rate due to terminal-stage diagnosis^([1-3]).Although low-dose computed tomography(CT) screening can reduce mortality, high false positive rates can create economic and psychological burdens.
基金supported by the National Natural Science Foundation(82271057)the Natural Science Foundation of Hunan Province(2023JJ30818),China。
文摘Objective:Keratoconus(KC)is a progressive corneal ectasia disorder,arising from a myriad of causes including genetic predispositions,environmental factors,biomechanical influences,and inflammatory reactions.This study aims to identify potential pathogenetic gene mutations in patients with sporadic KC in the Han Chinese population.Methods:Twenty-five patients with primary KC as well as 50 unrelated population matched healthy controls,were included in this study to identify potential pathogenic gene mutations among sporadic KC patients in the Han Chinese population.Sanger sequencing and whole-exome sequencing(WES)were used to analyze mutations in the zinc finger protein 469(ZNF469)gene.Bioinformatics analysis was conducted to explore the potential role of ZNF469 in KC pathogenesis.Results:Five novel heterozygous missense variants were identified in KC patients.Among them,2 compound heterozygous variants,c.8986G>C(p.E2996Q)with c.11765A>C(p.D3922A),and c.4423C>G(p.L1475V)with c.10633G>A(p.G3545R),were determined to be possible pathogenic factors for KC.Conclusion:Mutations in the ZNF469 gene may contribute to the development of KC in the Han Chinese population.These mutation sites may provide valuable information for future genetic screening of KC patients and their families.
基金Supported by the National Natural Science Foundation of China(12261050)Science and Technology Project of Department of Education of Jiangxi Province(GJJ2201612 and GJJ211027)Natural Science Foundation of Jiangxi Province of China(20212BAB202021)。
文摘In this paper,we investigate the periodic traveling wave solutions problem for a single population model with advection and distributed delay.By the bifurcation analysis method,we can obtain periodic traveling wave solutions for this model under the influence of advection term and distributed delay.The obtained results indicate that weak kernel and strong kernel can both deduce the existence of periodic traveling wave solutions.Finally,we apply the main results in this paper to Logistic model and Nicholson’s blowflies model.
基金supported by the National Natural Science Foundation of China(Grant Nos.12234020,12474281,12450403,and 12274461)the Science and Technology Innovation Program of Hunan Province(Grant No.2022RC1193)。
文摘This letter demonstrates an experimental approach to measuring the angular-momentum-resolved population of excited states in laser-produced argon ions.By measuring the spectra of free induction decay emissions corresponding to the resonant transitions between Rydberg states,the relative population of the Rydberg states is obtained with known Einstein A-coefficients.This study deepens the mechanistic understanding of coherent dynamics in laser-driven ionic excited states,and establishes experimental benchmarks essential for validating and refining advanced quantum kinetic models in strong-field physics.
文摘National Population Health Data Center(NPHDC)is one of China's 20 national-level science data centers,jointly designated by the Ministry of Science and Technology and the Ministry of Finance.Operated by the Chinese Academy of Medical Sciences under the oversight of the National Health Commission,NPHDC adheres to national regulations including the Scientific Data Management Measures and the National Science and Technology Infrastructure Service Platform Management Measures,and is committed to collecting,integrating,managing,and sharing biomedical and health data through openaccess platform,fostering open sharing and engaging in international cooperation.
文摘Bangladesh has a denser population in comparison with many other countries. Though the rate of population increase has been regarded as a concerning issue, estimation of the population instability in the upcoming years may be useful for national planning. To predict Bangladesh’s future population, this study compares the estimated populations of two popular population models, the Malthusian and the logistic population models, with the country’s census population published by BBS. We also tried to find out which model gives a better approximation for forecasting the past, present, and future population between these two models.
基金supported by the Ministry of Higher Education(MOHE)Malaysia through Fundamental Research Grant Scheme(FRGS)with project code:FRGS/1/2021/STG01/UCSI/01/.SX was funded by the National Natural Science Foundation of China(NSFC)grants 32030020 and 32288101funded by the NSFC grant 32270665.
文摘Evidence has shown that differential transcriptomic profiles among human populations from diverse ancestries,supporting the role of genetic architecture in regulating gene expression alongside environmental stimuli.Genetic variants that regulate gene expression,known as expression quantitative trait loci(eQTL),are primarily shaped by human migration history and evolutionary forces,likewise,regulation of gene expression in principle could have been influenced by these events.Therefore,a comprehensive understanding of how human evolution impacts eQTL offers important insights into how phenotypic diversity is shaped.Recent studies,however,suggest that eQTL is enriched in genes that are selectively constrained.Whether eQTL is minimally affected by selective pressures remains an open question and requires comprehensive investigations.In addition,such studies are primarily dominated by the major populations of European ancestry,leaving many marginalized populations underrepresented.These observations indicate there exists a fundamental knowledge gap in the role of genomics variation on phenotypic diversity,which potentially hinders precision medicine.This article aims to revisit the abundance of eQTL across diverse populations and provide an overview of their impact from the population and evolutionary genetics perspective,subsequently discuss their influence on phenomics,as well as challenges and opportunities in the applications to precision medicine.
文摘Background: Tooth loss results in impaired mastication, which in turn, makes it difficult to chew hard food, consequently leading to deteriorate dietary habits and to develop hypertension. The purpose of this study was to examine the effect of tooth loss on blood pressure among Congolese population. Methods: A cross-sectional study was conducted from October 2019 until December 2023 among Congolese population aged at least 30 years reporting to the living in DR Congo. All participants were enrolled from Dental Clinic located in the DR Congo. To be eligible to participate in the study, were the willing to participate and having signed informed consent;had a missing tooth;had carried out blood pressure measurement (hypertension/normotensive). The exclusion criteria were determined: being less than 30 years old, being pregnant for women considering the risk of existing gestational hypertension, obesity, excessive alcohol consumption, smoking, and diabetes. Hypertension was defined as the mean of three measurements of systolic blood pressure (SBP) (140 mmHg or higher), diastolic blood pressure (DBP) (90 mm or higher) or physician diagnosed hypertension confirmed from medical records. We determined the number of tooth loss from oral examination. A multivariable logistic regression model was used to investigate the effect of tooth loss on blood pressure. Results: In all, 25,396 participants were enrolled among Congolese population for this study. After oral examination, 13,421 were excluded for no tooth loss and 11,975 participants were selected. The average number of tooth loss among study population was 11.06. Among the participants with hypertension had lost an average of 11 teeth, significantly higher than those without hypertension (6.09) (p = 0.001). After adjusting for covariates (socio-demographic characteristics), tooth loss (>10) was significantly associated with hypertension, with OR = 1.32 (95% CI 1.073 - 2.38). Conclusion: Tooth loss maybe associated with severe hypertension among Congolese population adults. Prevention of tooth loss is very important to the overall health of this population.
文摘Device-based measurements are recommended to improve population-based physical activity(PA)surveillance.1,2However,implementation remains challenging due to lack of consensus on analytical methods,and the most widely used“generic”(absolute intensity)cut-point approach has limited generalisability to population-level free-living data.Further,current methods generally fail to account for differences in people's physical capacity.
文摘Bees are essential to human life and ecosystems,significantly contributing to medicine,economics,and environmental equilibrium.Bees serve an essential function as pollinators,facilitating the cultivation of various fruits and vegetables.Bees contribute approximately 117 billion US dollars annually to the economy through their role in crop pollination.They have a direct impact on 35%of agricultural crops and 84%of cultivated plants.Bee products,including honey,propolis,and royal jelly,have been utilized in various traditional medicine practices across numerous countries.These substances have been utilized for their anti-inflammatory,antioxidant,and antibacterial properties.In addition to their economic,ecological,and medical significance,they serve as bioindicators for assessing the health of ecological systems by monitoring distribution and population dynamics.This offers important insights into the current situation,especially regarding the substantial impacts of climate change on the environment.This article seeks to synthesize data from various studies to examine the impact of climate change on bee populations and their habitats.This study illustrates the significant effects of future climate models for 2050 and 2070 on bee distribution,resulting in the decline of specific species populations.
基金supported by the National Natural Science Foundation of China Project(Grant No.32260097)the National Guidance Foundation for Local Science and Technology Development of China(Grant No.[2023]009)the Natural Science Foundation for Distinguished Young Scholars of Hebei(Grant No.C2022209010)。
文摘Sechium edule(chayote)is an important vegetable crop belonging to the Cucurbitaceae family.To decipher the chayote genome,a highquality chromosome-level chayote genome was obtained by genome sequencing and bioinformatic analysis.The total length was612.91 Mb,and 25755 genes were detected in the chayote genome.The contig N50 was more than 20.01 Mb,and the scaffold N50 was over47.11 Mb.Of the genome,60.35%were composed of repetitive sequences,and 31.18%of genome sequences belonged to long-terminal repeats.A global alignment of homologous regions in chayote and other Cucurbitaceae plant genomes was constructed using grape as a reference.Based on this genome-wide and global alignment map,researchers can easily identify homologous collinear genes of the studied genomes in most Cucurbitaceae species.Twenty-five chayote accessions were divided into two subgroups based on phylogenetic tree,population structure analysis,and principal component analysis using genome re-sequencing data.The chayote genome,re-sequencing dataset,and comprehensive genomic analysis will accelerate comparative and functional genomic analysis of chayote and other Cucurbitaceae species in the future.
文摘Objective:To characterize the pediatric population with cutaneous leishmaniasis treated at a research center and to determine the therapeutic response and safety of the treatment.Methods:A cross-sectional study was designed,in which data related to sociodemographic information,history of leishmaniasis,clinical characteristics,treatment,therapeutic response and adverse events were collected from the review of the clinical records.Results:The analysis was conducted in 156 pediatric patients with median age of 10.5(6-14)years.Regarding clinical and therapeutic characteristics,the lesions in these patients were mostly single ulcers,primarily located on the upper and lower extremities.A total of 114 patients were managed at Programa de Estudio y Control de Enfermedades Tropicales(PECET),and 26 of them received more than one treatment.Upon administration of the first therapeutic option,intralesional meglumine antimoniate had a cure rate of 43.18%(19/44 patients),followed by systemic meglumine antimoniate with a cure rate of 40%(8/20)and topical investigational medication with a cure rate of 25%(5/20).The most frequent adverse events were:arthralgia and myalgia for systemic meglumine antimoniate;nausea and vomiting for miltefosine;and local pain,edema,erythema and rash for topical treatment.Conclusions:Although more prospective studies are needed to generate evidence-based recommendations and management protocols,miltefosine appears to be a favorable,safe and well-tolerated therapeutic option for the pediatric population.Despite the high percentage of loss to follow-up,the success achieved in pediatric patients with local treatments suggests that local therapies could also be considered for managing this condition in this population.
基金supported by the Second Tibetan Plateau Scientific Expedition and Research(STEP)Program(2019QZKK05010900 and 2019QZKK05010405)the National Natural Science Foundation of China(32100339 and 32200350)+3 种基金Yunnan Revitalization Talent Support Program Top team(202405AS350022)supported by the Youth Innovation Promotion Association,Chinese Academy of Sciencessupported by Yunnan Fundamental Research Projects(202201AU070208)supported by Yunnan Revitalization Talent Support Program Yunling Scholar Project(XML)。
文摘Understanding how species diverge and adapt is fundamental to unraveling biodiversity.While environmental impacts on species evolution are well-documented,the roles of intrinsic life-history traits remain underexplored.The Qinghai-Xizang Plateau,with its harsh conditions and unique biodiversity,offers a natural laboratory for such investigations.Here,we examine two sympatric small mammals—the solitary,low-dispersal plateau zokor(Eospalax baileyi)and the social,high-dispersal plateau pika(Ochotona curzoniae)—to elucidate how life-history traits shape population structures and adaptive strategies.Through whole-genome sequencing and cardiac-blood phenotype analyses,we reveal striking differences in their evolutionary trajectories.Despite enduring similar environmental pressures,plateau zokor populations exhibit pronounced genetic subdivisions,high inbreeding,and distinct local adaptations.In contrast,plateau pika populations display genetic panmixia,widespread diversity,and adaptive uniformity.Demographic inference highlights that plateau zokors experienced severe population bottlenecks and restricted gene flow during glacial periods,underscoring the impact of dispersal capacity on evolutionary outcomes.Our findings demonstrate that intrinsic biological traits,particularly dispersal ability,fundamentally influence genetic architecture,population connectivity,and local adaptation.This study not only provides empirical evidence of how life-history traits shape evolutionary dynamics but also offers a framework for integrating intrinsic and extrinsic factors in understanding biodiversity formation.
基金Supported by the National Key Research and Development Program of China(No.2018 YFC 1407501)the State Key Laboratory of Estuarine and Coastal Zone Environment for Environmental Protection,Chinese Research Academy of Environmental Sciences(No.HKHA 2022004)。
文摘Ctenophore Pleurobrachia globosa(P.globosa)invades even the northernmost Bohai Sea from the south of China.Three years(2019-2021)of surveys were conducted in the Bohai Bay(BoB)of the Bohai Sea to examine its population dynamics and potential impact on nuclear power plants.Results show that P.globosa mainly occurred from July to October each year,reaching the maximum abundance in August/September and even bloomed in August 2020.Correlations with environmental factors indicate this species has strong tolerance to acidification and hypoxia,and it has potentially indirect feeding relationship with phytoplankton.Seven stages in three groups were illustrated in life history of P.globosa.Two entire generations were detected in August,confirming its 2-week generation time.Spawning time started earlier in the south than in the north of BoB.The spatiotemporal variation and life cycle of P.globosa in BoB are useful for further study on the invasion,bloom,aggregation,and regeneration of P.globosa.
基金supported by Hubei Provincial Natural Science Foundation of China(2025AFB822)National Key Research and Development Program of China(No.2022YFD1800100)National Natural Science Foundation of China(32100110).
文摘Dear Editor,Enterovirus 71(EV71)is the main pathogen of hand,foot,and mouth disease(HFMD),which is a serious public health threat,especially in the Asia-Pacific region(Wu et al.,2013).Due to the lack of effective antivirals for treatment,supportive therapy remains to be the primary measure for severe infections of EV71.EV71 belongs to the genus Enterovirus in the family of Picornavirridae.EV71 encodes a polyprotein that is proteolytically cleaved into four structural proteins and seven nonstructural proteins,i.e.,VP1 to VP4,2A to 2C,and 3A to 3D.Moreover,an alternative encoding strategy of harboring a novel open reading frame encoding a short peptide has been recently reported in gut epithelial cells infected with some enteroviruses(Lulla et al.,2019).Structural proteins play a key role in the packaging and maturation of virus particles,while non-structural proteins are mainly involved in the replication process of virus.Among them,the 3D polymerase(3Dpol)protein functions as an RNA-dependent RNA polymerase(RdRP)that is essential for viral RNA synthesis(Wu et al.,2010).
基金supported by the Chongqing Tencent Sustainable Development Foundation through the project"Comprehensive Prevention and Control Demonstration Project for Eliminating Cervical Cancer and Breast Cancer in Low Health Resource Areas of China"(Project No.SD20240904145730)by the Tencent Sustainable Social Value(SSV)Inclusive Health Lab(Project No.SSVPJ202307060001)。
文摘Objective:To describe temporal changes associated with deployment of an optical character recognition(OCR)-enabled OneIdentity(One-ID)digital platform for rural cervical cancer screening,focusing on over-screening rates,CIN2+detection,colposcopy follow-up,and CIN2+management.Methods:A multi-county pre-post observational study was conducted in six rural counties in Shanxi,Yunnan,and Sichuan Provinces(2021±2024),encompassing 153,978 encounters.The digital platform integrates OCR identity capture,deterministic One-ID linkage,and real-time duplicate alerts.Over-screening proportions before and after digital deployment were compared,changes in CIN2+detection rate were evaluated,and colposcopy follow-up and CIN2+management were assessed.Differences were tested withχ2 or Fisher's exact tests.Results:Among 153,978 encounters,the proportion of over-screening decreased from 12.64%in 2023 to 0.17%in 2024 with an absolute reduction of 12.17%(95%CI:11.94±12.40;P<0.001).The share of women receiving a first screening within the preceding 3 y increased from 78.3%to 88.2%(P<0.001).Colposcopy completion improved from 64.1%to 84.9%.The CIN2+detection rate rose from 0.35%(2021±2023 pooled)to 0.67%in 2024(P<0.001)and CIN2+management completion increased from 56.0%to 76.2%(95%CI:13.3±27.2;P<0.001).These improvements were consistent across age groups,counties,and screening strategies.Conclusions:The OCR-enabled One-ID platform substantially reduced over-screening,increased CIN2+detection rate,and strengthened case follow-up/management,particularly where baseline tracking was weak,supporting scalable digital reinforcement of rural screening programmes.
