It is known that human benign prostatic hyperplasia might arise from an estrogen/androgen （E/T） imbalance. We studied the response of castrated rat prostate to different ratios of circulating E/T. The castrated male...It is known that human benign prostatic hyperplasia might arise from an estrogen/androgen （E/T） imbalance. We studied the response of castrated rat prostate to different ratios of circulating E/T. The castrated male Wistar rats were randomly injected with E/T at different ratios for 4 weeks. The prostates of E/T （1：100） group showed a distinct prostatic hyperplasia response by prostatic index, hematoxylin and eosin staining, and quantitative immunohistochemical analysis of a-smooth muscle actin （SMA）. In this group, cells positive for Vimentin, non-muscle myosin heavy chain （NMMHC） and proliferating cell nuclear antigen （PCNA） increased in the stroma and epithelium. Furthermore, the mRNA levels of smooth muscle myosin heavy chain （SMMHC） and NMMHC increased. So E/T at a ratio of 1：100 can induce a stromal hyperplastic response in the prostate of castrated rats. The main change observed was an increase of smooth muscle cells, whereas some epithelial changes were also seen in the rat prostates.展开更多
Otoancorin(OTOA)is a glycosylphosphatidylinositol(GPI)-anchored protein mediating the attachment of the tectorial membrane(TM)to the spiral limbus(SL)in the inner ear.Homozygous or compound heterozygous mutations in O...Otoancorin(OTOA)is a glycosylphosphatidylinositol(GPI)-anchored protein mediating the attachment of the tectorial membrane(TM)to the spiral limbus(SL)in the inner ear.Homozygous or compound heterozygous mutations in OTOA cause autosomal recessive deafness(DFNB22).We performed short-read exome sequencing(SRS)in a 10-monthold boy with sensorineural hearing loss,identifying a potential p.Glu787*variant in OTOA.Interestingly,this variant is common among normal-hearing individuals,leading us to question its pathogenic potential.展开更多
Bladder cancer （BC） is the second most common malignancy of the human genitourinary tract,and is characterized by a high recurrence rate and expensive treatment） There is still no ideal biomarker for diagnosing or ...Bladder cancer （BC） is the second most common malignancy of the human genitourinary tract,and is characterized by a high recurrence rate and expensive treatment） There is still no ideal biomarker for diagnosing or monitoring human BC.In the present study,we used proteomics analysis,including two-dimensional fluorescence difference gel electrophoresis （2D DIGE） and matrix-assisted laser desorption ionization time of flight/time of flight mass spectrometry （MALDI-TOF/TOF MS）,to identify new potential protein markers of BC.展开更多
After the renal cell carcinoma related novel gene fragment GYLZ-RCC18 was cloned by using suppression subtractive hybridization (SSH), we used the SMART RACE technology to clone the full length of GYLZ-RCC18 and perfo...After the renal cell carcinoma related novel gene fragment GYLZ-RCC18 was cloned by using suppression subtractive hybridization (SSH), we used the SMART RACE technology to clone the full length of GYLZ-RCC18 and performed chromosome location by the FISH method. RT-PCR was used to detect the expression of the first reading frame of GYLZ-RCC18 in different stages and grades of renal cell carcinoma tissue and other tissues. Also we trans-fected the antisense oligonucleotide of GYLZ-RCC18 to renal cell carcinoma cell line GRC-1, and analyzed the proliferation activity, growth speed, apoptosis and mortality changes in GRC-1. The results show that the full length of GYLZ-RCC18 (GenBank accession No.: BE825133) cDNA is about 3.5 kb long which is located at No. 14 chromosome. GYLZ-RCC18 has a higher expression in higher grades and stages of renal cell carcinoma than in the lower ones. The expression of GYLZ-RCC18 in renal cell carcinoma was much higher than that in normal kidney and other tissues. After展开更多
基金Acknowledgment This research was funded by the following grants： the National Basic Research Program （973 Program, No.2009CB918900）, the National Natural Science Foundation of China （grant No. 30672101, 30872592）, the Specialized Research Fund for the Doctoral Program of Higher Education （No. 20070055023） and the key research project of Tianjin Municipal Science and Technology Commission （grant No. 06YFSYSF02000, 07jczdjc08300）. The authors declare that there is no conflict of interest that would prejudice the impartiality of this scientific work.
文摘It is known that human benign prostatic hyperplasia might arise from an estrogen/androgen （E/T） imbalance. We studied the response of castrated rat prostate to different ratios of circulating E/T. The castrated male Wistar rats were randomly injected with E/T at different ratios for 4 weeks. The prostates of E/T （1：100） group showed a distinct prostatic hyperplasia response by prostatic index, hematoxylin and eosin staining, and quantitative immunohistochemical analysis of a-smooth muscle actin （SMA）. In this group, cells positive for Vimentin, non-muscle myosin heavy chain （NMMHC） and proliferating cell nuclear antigen （PCNA） increased in the stroma and epithelium. Furthermore, the mRNA levels of smooth muscle myosin heavy chain （SMMHC） and NMMHC increased. So E/T at a ratio of 1：100 can induce a stromal hyperplastic response in the prostate of castrated rats. The main change observed was an increase of smooth muscle cells, whereas some epithelial changes were also seen in the rat prostates.
基金supported by the National Research Foundation of Korea(NRF)grant funded by the Korean government(MSIT)(No.2021R1C1C1007980 to B.J.K.)Chungnam National University Sejong Hospital Research Fund,2022,and Chungnam National University(to B.J.K.)+6 种基金supported by the Basic Science Research Program through the NRF,funded by the Ministry of Education(No.2021R1A2C2092038 to B.Y.C.)Bio Core Facility Center program(No.NRF-2022M3A9G1014007 to B.Y.C.)the Basic Research Laboratory program through the NRF,funded by the Ministry of Education(No.RS-2023-0021971031482092640001 to B.Y.C.)the Technology Innovation Program(No.K_G012002572001 to B.Y.C.)funded By the Ministry of Trade,Industry&Energy(MOTIE,Korea)funded by SNUBH(Seoul National University Bundang Hospital)intramural research fund(No.13-2022-0010,02-2017-0060,16-2023-0002,13-2023-0002,16-2022-0005,13-2024-0004,and 13-2017-0013 to B.Y.C.)supported by the National Institute on Deafness and Other Communication Disorders(NIDCD)part of the US National Institutes of Health(No.R01DC018814 to S.P.).
文摘Otoancorin(OTOA)is a glycosylphosphatidylinositol(GPI)-anchored protein mediating the attachment of the tectorial membrane(TM)to the spiral limbus(SL)in the inner ear.Homozygous or compound heterozygous mutations in OTOA cause autosomal recessive deafness(DFNB22).We performed short-read exome sequencing(SRS)in a 10-monthold boy with sensorineural hearing loss,identifying a potential p.Glu787*variant in OTOA.Interestingly,this variant is common among normal-hearing individuals,leading us to question its pathogenic potential.
文摘Bladder cancer （BC） is the second most common malignancy of the human genitourinary tract,and is characterized by a high recurrence rate and expensive treatment） There is still no ideal biomarker for diagnosing or monitoring human BC.In the present study,we used proteomics analysis,including two-dimensional fluorescence difference gel electrophoresis （2D DIGE） and matrix-assisted laser desorption ionization time of flight/time of flight mass spectrometry （MALDI-TOF/TOF MS）,to identify new potential protein markers of BC.
基金This work was supported by the National Natural Science Foundation of China (Grant No. 39870841).
文摘After the renal cell carcinoma related novel gene fragment GYLZ-RCC18 was cloned by using suppression subtractive hybridization (SSH), we used the SMART RACE technology to clone the full length of GYLZ-RCC18 and performed chromosome location by the FISH method. RT-PCR was used to detect the expression of the first reading frame of GYLZ-RCC18 in different stages and grades of renal cell carcinoma tissue and other tissues. Also we trans-fected the antisense oligonucleotide of GYLZ-RCC18 to renal cell carcinoma cell line GRC-1, and analyzed the proliferation activity, growth speed, apoptosis and mortality changes in GRC-1. The results show that the full length of GYLZ-RCC18 (GenBank accession No.: BE825133) cDNA is about 3.5 kb long which is located at No. 14 chromosome. GYLZ-RCC18 has a higher expression in higher grades and stages of renal cell carcinoma than in the lower ones. The expression of GYLZ-RCC18 in renal cell carcinoma was much higher than that in normal kidney and other tissues. After
