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Adipose tissue-brain crosstalk in comorbid obesity and traumatic brain injury:Insights into mechanisms
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作者 Susan C.Burke Bogdan A.Stoica Rebecca J.Henry 《Neural Regeneration Research》 2026年第5期1989-1990,共2页
Obese individuals who subsequently sustain a traumatic brain injury(TBI)exhibit worsened outcomes including longer periods of rehabilitation(Eagle et al.,2023).In obese individuals,prolonged symptomology is associated... Obese individuals who subsequently sustain a traumatic brain injury(TBI)exhibit worsened outcomes including longer periods of rehabilitation(Eagle et al.,2023).In obese individuals,prolonged symptomology is associated with increased levels of circulato ry pro-inflammatory marke rs up to 1 year postTBI(Eagle et al.,2023). 展开更多
关键词 pro inflammatory markers comorbid obesity adipose tissue rehabilitation outcomes traumatic brain injury tbi exhibit traumatic brain injury brain crosstalk
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中性粒-脑细胞互作介导“血-脑crosstalk”影响神经炎症疾病及药物干预作用
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作者 王思梦 江廷参 +3 位作者 李星 朱彦 董鹏志 吕明 《药学学报》 北大核心 2025年第6期1573-1581,共9页
“血-脑crosstalk”是指系统中的免疫细胞浸润到脑实质与脑细胞互作从而影响中枢神经系统疾病的途径。中性粒细胞是首个通过血脑屏障从循环血液中进入病变部位的免疫细胞,也是在神经炎症中发挥主要功能的免疫细胞之一。中性粒细胞与脑细... “血-脑crosstalk”是指系统中的免疫细胞浸润到脑实质与脑细胞互作从而影响中枢神经系统疾病的途径。中性粒细胞是首个通过血脑屏障从循环血液中进入病变部位的免疫细胞,也是在神经炎症中发挥主要功能的免疫细胞之一。中性粒细胞与脑细胞(如神经元、小胶质细胞、星形胶质细胞和脑微血管内皮细胞)之间存在复杂的相互作用,共同参与神经炎症疾病的进展。中性粒-脑细胞互作能够影响神经炎症导致的脑损伤。且一些中药与西药成分能够有效作用于中性粒-脑细胞互作,因此,本文综述了中性粒-脑细胞互作在神经炎症中的作用机制以及调节中性粒-脑细胞互作药物的研究进展,以期为未来通过介导“血-脑crosstalk”治疗神经炎症疾病提供依据和参考。 展开更多
关键词 血-脑crosstalk 神经炎症 中性粒细胞 脑细胞 细胞互作
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Plasma metabolomics combined with mass spectrometry imaging reveals crosstalk between tumor and plasma in gastric cancer genesis and metastasis 被引量:1
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作者 Yanhua Chen Xian Ding +9 位作者 Jun Zhou Zhaoying Wang Yunhai Bo Ying Hu Qingce Zang Jing Xu Ruiping Zhang Jiuming He Fen Yang Zeper Abliz 《Chinese Chemical Letters》 2025年第1期506-512,共7页
Gastric Carcinoma(GC)is a highly fatal malignant tumor with a poor prognosis.Its elevated mortality rates are primarily due to its proclivity for late-stage metastasis.Exploring the metabolic interactions between tumo... Gastric Carcinoma(GC)is a highly fatal malignant tumor with a poor prognosis.Its elevated mortality rates are primarily due to its proclivity for late-stage metastasis.Exploring the metabolic interactions between tumor microenvironment and the systemic bloodstream could help to clearly understand the mechanisms and identify precise biomarkers of tumor growth,proliferation,and metastasis.In this study,an integrative approach that combines plasma metabolomics with mass spectrometry imaging of tumor tissue was developed to investigate the global metabolic landscape of GC tumorigenesis and metastasis.The results showed that the oxidized glutathione to glutathione ratio(GSSH/GSH)became increased in non-distal metastatic GC(M0),which means an accumulation of oxidative stress in tumor tissues.Furthermore,it was found that the peroxidation of polyunsaturated fatty acids,such as 9,10-EpOMe,9-HOTrE,etc.,were accelerated in both plasma and tumor tissues of distal metastatic GC(M1).These changes were further confirmed the potential effect of CYP2E1 and GGT1 in metastatic potential of GC by mass spectrometry imaging(MSI)and immunohistochemistry(IHC).Collectively,our findings reveal the integrated multidimensional metabolomics approach is a clinical useful method to unravel the bloodtumor metabolic crosstalk,illuminate reprogrammed metabolic networks,and provide reliable circulating biomarkers. 展开更多
关键词 Metabolomics Spatial-resolved metabolomics Gastric cancer Blood-tumor metabolic crosstalk Lipid peroxidation
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Exosomal mediators in sepsis and inflammatory organ injury:unraveling the role of exosomes in intercellular crosstalk and organ dysfunction
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作者 Ting Gong You-Tan Liu Jie Fan 《Military Medical Research》 2025年第2期264-284,共21页
Sepsis,a severe systemic inflammatory response to infection,remains a leading cause of morbidity and mortality worldwide.Exosomes,as mediators of intercellular communication,play a pivotal role in the pathogenesis of ... Sepsis,a severe systemic inflammatory response to infection,remains a leading cause of morbidity and mortality worldwide.Exosomes,as mediators of intercellular communication,play a pivotal role in the pathogenesis of sepsis through modulating immune responses,metabolic reprogramming,coagulopathy,and organ dysfunction.This review highlights the emerging significance of exosomes in these processes.Initially,it provides an in-depth insight into exosome biogenesis and characterization,laying the groundwork for understanding their diverse and intricate functions.Subsequently,it explores the regulatory roles of exosomes in various immune cells such as neutrophils,macrophages,dendritic cells,T cells,and B cells.This analysis elucidates how exosomes are pivotal in modulating immune responses,thus contributing to the complexity of sepsis pathophysiology.Additionally,this review delves into the role of exosomes in the regulation of metabolism and subsequent organ dysfunction in sepsis.It also establishes a connection between exosomes and the coagulation cascade,which affects endothelial integrity and promotes thrombogenesis in sepsis.Moreover,the review discusses the dual role of exosomes in the progression and resolution of sepsis,exploring their complex involvement in inflammation and healing processes.Furthermore,it underscores their potential as biomarkers and therapeutic targets.Understanding these mechanisms presents new opportunities for novel interventions to mitigate the severe outcomes of sepsis,emphasizing the therapeutic promise of exosome research in critical care settings. 展开更多
关键词 SEPSIS EXOSOMES Intercellular crosstalk Inflammation Biomarkers
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Microglia-astrocyte crosstalk regulates synapse remodeling via Wnt signaling
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作者 Travis E Faust 《四川生理科学杂志》 2025年第9期2117-2117,共1页
Astrocytes and microglia are emerging key regulators of activity-dependent synapse remodeling that engulf and remove synapses in response to changes in neural activity.Yet,the degree to which these cells communicate t... Astrocytes and microglia are emerging key regulators of activity-dependent synapse remodeling that engulf and remove synapses in response to changes in neural activity.Yet,the degree to which these cells communicate to coordinate this process remains an open question.Here,we use whisker removal in postnatal mice to induce activity-dependent synapse removal in the barrel cortex.We show that astrocytes do not engulf synapses in this paradigm.Instead,astrocytes reduce contact with synapses prior to microglia-mediated synapse engulfment. 展开更多
关键词 astrocytes reduce contact synapses Wnt signaling synapse engulfment crosstalk MICROGLIA synapse remodeling neural activity
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Progress and Research on Interconnects Crosstalk in Deep Submicron Technology 被引量:2
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作者 蔡懿慈 赵鑫 洪先龙 《Journal of Semiconductors》 EI CAS CSCD 北大核心 2003年第11期1121-1129,共9页
As develops in deep sub micron designs,the interconnect crosstalk becomes much more serious.Espe cially, the coupling inductance can not be ignored in gigahertz designs.So shield insertion is an efficient techniq... As develops in deep sub micron designs,the interconnect crosstalk becomes much more serious.Espe cially, the coupling inductance can not be ignored in gigahertz designs.So shield insertion is an efficient technique to reduce the inductive noise.In this paper,the characteristics of on chip mutual inductance (as well as self) for coplanar,micro stripline and stripline structures are introduced first.Then base on the coplanar interconnect structures,the effective coupling K eff model and the RLC explicit noise model are proposed respectively.The results of experiments show that these two models both have high fidelity. 展开更多
关键词 interconnect crosstalk crosstalk noise K eff model RLC explicit noise model
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Bone-organ axes: bidirectional crosstalk
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作者 An-Fu Deng Fu-Xiao Wang +3 位作者 Si-Cheng Wang Ying-Ze Zhang Long Bai Jia-Can Su 《Military Medical Research》 2025年第4期600-632,共33页
In addition to its recognized role in providing structural support, bone plays a crucial role in maintaining the functionality and balance of various organs by secreting specific cytokines(also known as osteokines). T... In addition to its recognized role in providing structural support, bone plays a crucial role in maintaining the functionality and balance of various organs by secreting specific cytokines(also known as osteokines). This reciprocal influence extends to these organs modulating bone homeostasis and development, although this aspect has yet to be systematically reviewed. This review aims to elucidate this bidirectional crosstalk, with a particular focus on the role of osteokines. Additionally, it presents a unique compilation of evidence highlighting the critical function of extracellular vesicles(EVs) within bone-organ axes for the first time. Moreover, it explores the implications of this crosstalk for designing and implementing bone-on-chips and assembloids, underscoring the importance of comprehending these interactions for advancing physiologically relevant in vitro models. Consequently, this review establishes a robust theoretical foundation for preventing, diagnosing, and treating diseases related to the bone-organ axis from the perspective of cytokines, EVs, hormones, and metabolites. 展开更多
关键词 Bone-organ axes Bidirectional crosstalk Cytokines Osteokines Extracellular vesicles(EVs) HORMONES Metabolites
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Suppression of electromagnetic crosstalk in kinetic inductance detector arrays by redesigning the pixel arrangement
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作者 Houceng Huang Shilin Sun +4 位作者 Xiandong Shi Yuechen Zhao Yaqian Zhang Dejun Liu Weijie Du 《Astronomical Techniques and Instruments》 2025年第4期239-245,共7页
Superconducting kinetic inductance detectors(KIDs)are considered to be a highly promising technique for the large-scale imaging of millimeter and submillimeter waves in astronomy.As the pixel density and the array siz... Superconducting kinetic inductance detectors(KIDs)are considered to be a highly promising technique for the large-scale imaging of millimeter and submillimeter waves in astronomy.As the pixel density and the array size increase,the electromagnetic crosstalk inevitably becomes a problem that prevents increasing the multiplexing during the development of larger KIDs arrays.In this work,an effective method is introduced to suppress the electromagnetic crosstalk and achieve a compact pixel distribution and small frequency intervals.The electromagnetic crosstalk is first analyzed by simulating the behavior of two neighboring pixels,and the physical distance and the frequency interval are optimized.Then,the arrangement of the pixels on the whole array is redesigned using a genetic algorithm to satisfy the requirements.The simulation results reveal that the normalized electromagnetic crosstalk can be reduced to 0.5%on an 8×8 array.Larger arrays of 16×16 pixels have been fabricated and measured to validate this method,and the results reveal that both the resonance property and survival rate of pixels are improved effectively with this method.This method will be very helpful for designing high-multiplexing KIDs arrays within a limited bandwidth. 展开更多
关键词 Kinetic inductance detector crosstalk Submillimeter wave RESONATOR
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Humorous Effects in the Crosstalk Learning Manchu by Non-observance of Cooperative Principle
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作者 ZHENG Ling-yan 《Journal of Literature and Art Studies》 2025年第8期629-635,共7页
This paper analyzes the humorous effects generated through the non-observance of Grice’s Cooperative Principle(CP)in the Chinese crosstalk Learning Manchu.Focusing on violations of the Quantity,Quality,Relation,and M... This paper analyzes the humorous effects generated through the non-observance of Grice’s Cooperative Principle(CP)in the Chinese crosstalk Learning Manchu.Focusing on violations of the Quantity,Quality,Relation,and Manner maxims,it examines how deliberate pragmatic deviations create comedy.The study also incorporates the unique crosstalk mechanism of“Baofu”(packaging and delivering jokes)and emphasizes the essential role of audience cooperation in humor reception.It argues that humor in crosstalk arises not only from performers’non-cooperation but also from active audience engagement within a shared cultural context. 展开更多
关键词 non-observance of Cooperative Principle humorous effect crosstalk audience cooperation
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Regulating the crosstalk between macrophage and fibroblast:potential mechanisms of traditional Chinese medicine in treating rheumatoid arthritis
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作者 Xiao-Yu Bi Huan Pei +4 位作者 Meng-Qiu Shao Meng-Xi Zhao Wei-Bo Wen Huan-Tian Cui Tao Chen 《Integrative Medicine Discovery》 2025年第17期1-3,共3页
Rheumatoid arthritis(RA)is a common chronic autoimmune disease characterized by joint pain,swelling and dysfunction[1].According to epidemiologic statistics,the incidence of RA is 1%–2%,and in severe cases,it can dev... Rheumatoid arthritis(RA)is a common chronic autoimmune disease characterized by joint pain,swelling and dysfunction[1].According to epidemiologic statistics,the incidence of RA is 1%–2%,and in severe cases,it can develop into joint deformity and disability,which brings a heavy burden to the family and society[2].However,the pathogenesis of RA is complex and involves multiple cellular interactions,which increases the difficulty of curing RA.Current therapeutic options,such as disease-modifying antirheumatic drugs,non-steroidal anti-inflammatory drugs,and biologics,still face the challenge of relapse after drug discontinuation[3,4].Therefore,the pathogenesis of RA needs to be analyzed in depth to break through the existing therapeutic bottlenecks and promote the iterative innovation of individualized diagnosis and treatment. 展开更多
关键词 joint pain MACROPHAGE rheumatoid arthritis ra regulating crosstalk FIBROBLAST rheumatoid arthritis chronic autoimmune disease traditional chinese medicine
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A highly-integrated fiber fluid sensing system of metal ion concentrations with resistance to temperature crosstalk
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作者 GUO Junqi XU Qianwen +3 位作者 GUO Binwei Andrei KULIKOV ZHENG Wenyue CUI Jiwen 《Optoelectronics Letters》 2025年第4期193-198,共6页
To address the temperature cross-talk issue in detecting heavy metal ions in natural waters, a highly-integrated and fully fiber-optic metal ion sensing system capable of temperature-concentration decoupling measureme... To address the temperature cross-talk issue in detecting heavy metal ions in natural waters, a highly-integrated and fully fiber-optic metal ion sensing system capable of temperature-concentration decoupling measurement has been designed. This system integrates a fluidic detection structure assisted by side-polished fibers(SPFs) with a Sagnac interferometer. 展开更多
关键词 refractive index ranges natural watersa fiber optic sensing fluidic detection structure heavy metal ions metal ion sensing contaminated water sources temperature crosstalk
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Design of Fresnel lens for autostereoscopic 3D display with optimized crosstalk and brightness uniformity
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作者 LAI Liping GAo Lizhen +1 位作者 LIU Kang XU Zhankun 《Optoelectronics Letters》 2025年第11期655-660,共6页
At present,the naked-eye three-dimensional(3D)display technology still has some drawbacks,such as low brightness uniformity,high crosstalk,low light efficiency,short viewing distance,and the manufacturing is difficult... At present,the naked-eye three-dimensional(3D)display technology still has some drawbacks,such as low brightness uniformity,high crosstalk,low light efficiency,short viewing distance,and the manufacturing is difficulty.Based on the principle of naked-eye 3D display and the Fresnel optical theory,this paper designs a Fresnel lens array and the star-shaped liquid crystal display(LCD)switch of unit LCD screen to achieve low-crosstalk and high brightness uniformity for the autostereoscopic 3D display.The unit parameters of a 139.7 cm 4K model autostereoscopic 3D displayer are provided and they are optimized by the TracePro software.The results show that when the pitch of the Fresnel lens on the exit surface is 0.304 mm,the width of each serration of Fresnel lens is 0.0234 mm,the length of the Fresnel lens is 2.87 mm,and the center height of star-shaped LCD switch is 0.030 mm,the center length is 0.040 mm,the width of star-shaped LCD switch is 0.050 mm,and the image crosstalk is less than 2%when the viewing distance is 2.50 m.The problem on the brightness of the image in different positions is improved. 展开更多
关键词 naked eye D display fresnel optical theorythis d display fresnel lens array star shaped LCD switch Fresnel lens brightness uniformity crosstalk
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Comparison of “Exterior-interior Pairing of the Lung and Large Intestine” and “Gut-lung Crosstalk” Based on COVID-19
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作者 WANG Yunliang ZHANG Yan 《Chinese Medicine and Culture》 2025年第1期40-49,共10页
The infection of SARS-CoV-2 has triggered the COVID-19 pandemic. In addition to the fever and respiratory symptoms in the process of coronavirus infections, gastrointestinal symptoms, especially diarrhea, are prominen... The infection of SARS-CoV-2 has triggered the COVID-19 pandemic. In addition to the fever and respiratory symptoms in the process of coronavirus infections, gastrointestinal symptoms, especially diarrhea, are prominent features of its acute infection and long COVID. The associations between the lung and large intestine have been demonstrated by Western medicine in aspects such as tissue origin, microflora homeostasis, mucosal immunity, renin-angiotensin system(RAS) and autonomic nervous system as well, which are considered as the evidence of material basis and potential regulatory mechanisms for “gutlung crosstalk(肺肠串扰)” in COVID-19. We have noticed that probiotics and other preparations can regulate the intestines, and further treat COVID-19 with effective and gratifying results. In the system of traditional Chinese medicine(TCM), there's a term of “exterior-interior pairing of the lung and large intestine(肺与大肠相表里)”, showing an interconnection of the lung and the bowels. “Exterior-interior pairing of the lung and large intestine” is an important part of the theory of visceral activities proposed by ancient physicians through a long-term observation and practice. It's considered that “lung” and “large intestine” are interconnected and mutually exterior-interior in the normal physical activities and the disease development, providing a theoretical basis for treating lung diseases and bowel diseases from the perspective of overall concept. The study aims to compare the term of “exterior-interior pairing of the lung and large intestine” in TCM and “gut-lung crosstalk” in Western medicine regarding the development of COVID-19 and its intestinal symptoms, and provide more ideas for diagnosing and treating lung and bowel related diseases. 展开更多
关键词 Exterior-interior pairing of the lung and large intestine(肺与大肠相表里) Gut-lung crosstalk Connotation COVID-19 Traditional Chinese medicine
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PGC-1α介导的“肌脑Crosstalk”与运动的抗抑郁机制——基于整合生物学的反思与展望 被引量:8
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作者 夏杰 刘微娜 +1 位作者 漆正堂 季浏 《上海体育学院学报》 CSSCI 北大核心 2017年第4期57-64,共8页
针对抑郁症的研究表明,骨骼肌过氧化物酶体增殖活化受体γ辅助活化因子1α(PGC-1α)通过基因转录调控的途径改善外周色氨酸代谢、减轻中枢炎症反应、增加脑源性神经营养因子的表达,从而远程作用于脑组织发挥抗抑郁效应。基于整合生物学... 针对抑郁症的研究表明,骨骼肌过氧化物酶体增殖活化受体γ辅助活化因子1α(PGC-1α)通过基因转录调控的途径改善外周色氨酸代谢、减轻中枢炎症反应、增加脑源性神经营养因子的表达,从而远程作用于脑组织发挥抗抑郁效应。基于整合生物学理论,综述骨骼肌PGC-1α在运动抗抑郁中的重要作用及其介导机制,提出PGC-1α介导的外周—中枢"对话"模式。针对其他神经退行性疾病的运动干预作用,提出"肌脑Crosstalk"的可能途径。 展开更多
关键词 抑郁 运动 PGC-1Α 肌脑crosstalk 整合生物学
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Wnt与其他信号通路在胚胎发育过程中的crosstalk 被引量:11
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作者 白戈 唐珂 景乃禾 《生命的化学》 CAS CSCD 2002年第4期304-308,共5页
在胚胎发育过程中,Wnt信号通路扮演了非常重要的角色。而很多情况下它都是与FGF、Notch、Hedgehog、TGF-β等其他几条重要的信号通路通过大量的crosstalk,相互协同来发挥作用的。对于非洲爪蟾胚胎早期发育的研究表明,FGF信号可以诱导产... 在胚胎发育过程中,Wnt信号通路扮演了非常重要的角色。而很多情况下它都是与FGF、Notch、Hedgehog、TGF-β等其他几条重要的信号通路通过大量的crosstalk,相互协同来发挥作用的。对于非洲爪蟾胚胎早期发育的研究表明,FGF信号可以诱导产生p90^(rsk),一种核糖体S6蛋白激酶,而这种激酶可以磷酸化GSK-3β的丝氨酸-9残基,导致GSK-3β失活,并以此来调节Wnt信号,共同控制胚胎发育过程。 展开更多
关键词 WNT 信号通路 胚胎发育过程 crosstalk 调控 协同作用
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A Novel Interconnect Crosstalk Parallel RLC Analyzable Model Based on the 65nm CMOS Process
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作者 朱樟明 钱利波 杨银堂 《Journal of Semiconductors》 EI CAS CSCD 北大核心 2008年第3期423-427,共5页
Based on the 65nm CMOS process,a novel parallel RLC coupling interconnect analytical model is presented synthetically considering parasitical capacitive and parasitical inductive effects. Applying function approximati... Based on the 65nm CMOS process,a novel parallel RLC coupling interconnect analytical model is presented synthetically considering parasitical capacitive and parasitical inductive effects. Applying function approximation and model order-reduction to the model, we derive a closed-form and time-domain waveform for the far-end crosstalk of a victim line under ramp input transition. For various interconnect coupling sizes, the proposed RLC coupling analytical model enables the estimation of the crosstalk voltage within 2.50% error compared with Hspice simulation in a 65nm CMOS process. This model can be used in computer-aided-design of nanometer SOCs. 展开更多
关键词 nanometer CMOS interconnect coupling crosstalk parallel RLC analytical model parameter extraction function approximation
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角质形成细胞与T细胞的crosstalk诱发银屑病的研究现状及展望 被引量:5
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作者 吴叶林 全艳春 赖玉平 《生命科学》 CSCD 2016年第2期258-267,共10页
银屑病作为一种常见的慢性炎症性皮肤病,其在皮肤上的主要特征表现为角质形成细胞过度增殖并伴有炎性细胞浸润。虽然已知T细胞通过分泌大量的细胞因子,如IL-17、TNF-α等能诱发银屑病,但对于角质形成细胞如何影响T细胞的活化导致皮肤炎... 银屑病作为一种常见的慢性炎症性皮肤病,其在皮肤上的主要特征表现为角质形成细胞过度增殖并伴有炎性细胞浸润。虽然已知T细胞通过分泌大量的细胞因子,如IL-17、TNF-α等能诱发银屑病,但对于角质形成细胞如何影响T细胞的活化导致皮肤炎症级联放大而恶化银屑病病程仍知之甚少。近年来,绝大多数的研究集中在证明IL-23/IL-17/IL-22轴是银屑病中皮肤炎性细胞浸润和表皮层增生的主要诱因。这些研究将角质形成细胞作为银屑病病发的一个readout,而忽略了角质形成细胞对T细胞分化和活化的影响在银屑病致病过程中的重要作用以及角质形成细胞、树突状细胞和T细胞之间错综复杂的相互作用。因此,这篇综述将总结角质形成细胞和T细胞在银屑病发生、发展中所起的重要作用,尤其是角质形成细胞、树突状细胞与T细胞相互调节、相互制约的网络调控体系在银屑病致病过程中的决定作用,从而为临床更好地诊治银屑病提供理论指导。 展开更多
关键词 银屑病 角质形成细胞 T细胞 树突状细胞 crosstalk
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Crosstalk Estimation and Optimization in Deep Sub-Micron VLSI 被引量:4
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作者 刘庆华 唐璞山 《Journal of Semiconductors》 EI CAS CSCD 北大核心 2002年第5期535-542,共8页
RLC model is used to estimate the coupling noise between interconnect wires and make some analysis through the simulation result. Based on the analysis conclusion,some algorithms are developed to adjust the rou ting ... RLC model is used to estimate the coupling noise between interconnect wires and make some analysis through the simulation result. Based on the analysis conclusion,some algorithms are developed to adjust the rou ting result with crosstalk constraint. 展开更多
关键词 crosstalk coupling capacitance coupling inductance
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Tumor-stroma crosstalk对肝细胞癌中肝星状细胞氨基酸代谢水平的影响 被引量:1
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作者 吴静 孟庆华 薛冉 《临床肝胆病杂志》 CAS 北大核心 2018年第12期2610-2613,共4页
目的探讨tumor-stroma crosstalk对肝星状细胞(HSC)氨基酸代谢的影响。方法分别培养人肝癌细胞系HepG2、Hep3B、Huh7,以及LX-2 HSC。分别使用LX-2 HSC条件培养基(LX2-CM)和HepG2、Hep3B、Huh7肝癌细胞混合条件培养基(Hep-CM)培养HSC,并... 目的探讨tumor-stroma crosstalk对肝星状细胞(HSC)氨基酸代谢的影响。方法分别培养人肝癌细胞系HepG2、Hep3B、Huh7,以及LX-2 HSC。分别使用LX-2 HSC条件培养基(LX2-CM)和HepG2、Hep3B、Huh7肝癌细胞混合条件培养基(Hep-CM)培养HSC,并收集细胞上清,应用氨基酸分析仪检测细胞上清氨基酸谱变化。计量资料组间比较采用t检验。结果HSC氨基酸代谢水平改变情况,与对照组(LX2-CM)相比,实验组(Hep-CM)上清中瓜氨酸(t=3. 426,P=0. 027)、缬氨酸(t=2. 892,P=0. 045)、异亮氨酸(t=4. 224,P=0. 013)、亮氨酸(t=4. 150,P=0. 014)、酪氨酸(t=3. 556,P=0. 024)、苯丙氨酸(t=4. 023,P=0. 016)、赖氨酸(t=3. 369,P=0. 028)水平降低,差异均有统计学意义。结论肿瘤微环境中,tumor-stroma crosstalk可以影响HSC的氨基酸代谢水平,这种改变可能反过来促使肝癌细胞更加适应低氧微环境。 展开更多
关键词 肝肿瘤 氨基酸类 代谢 tumor-stroma crosstalk
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基于“脾肾互赞”理论探讨失重对“肌骨crosstalk”的影响 被引量:4
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作者 宋采秋 刘昱麟 张林 《时珍国医国药》 CAS CSCD 北大核心 2022年第11期2710-2711,共2页
肾寄先天,脾寄后天,先后天相合,乃为一身精之所成。骨肉相连,肉引骨动方能行远。天外施力空浮,骨肉解息,久之废退,发为痿证。肾主骨,脾主肉,脾肾相滋则骨肉相生,痿发于骨,骨败而空,肉遂病矣,其行生阻;痿发于肉,肉败而软,未能携骨而动,... 肾寄先天,脾寄后天,先后天相合,乃为一身精之所成。骨肉相连,肉引骨动方能行远。天外施力空浮,骨肉解息,久之废退,发为痿证。肾主骨,脾主肉,脾肾相滋则骨肉相生,痿发于骨,骨败而空,肉遂病矣,其行生阻;痿发于肉,肉败而软,未能携骨而动,日久骨僵,其行乃废。文章基于脾肾互赞理论,对失重造成肌肉骨骼痿废的病因病机作以论述,阐释骨肉为病,首探脾肾,脾肾得安,骨肉皆安的内在机理。 展开更多
关键词 脾肾互赞 失重 “肌骨crosstalk 骨丢失 肌萎缩
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