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Comparison of gene expression between a human epididymal cell line derived from the caput epididymidis of a fertile patient and another one derived from the caput epididymidis of an obstructive azoospermic patient

ABSTRACT: Transcriptional profiling of human epididymal cell lines FHCE1 and IHCE1 respectively derived from the caput epididymidis of a fertile and an obstructive azoospermic patient. These two cell lines are comprised of homogenous populations of principal cells immortalized with the SV40 Large T antigen. Goal was to determine if cell junctions are impaired in this type of male infertility.

ORGANISM(S): Homo sapiens

PROVIDER: GSE21391 | GEO | 2010/06/01

SECONDARY ACCESSION(S): PRJNA126413

REPOSITORIES: GEO

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Comparison of gene expression between a human epididymal cell line derived from the caput epididymidis of a fertile patient and another one derived from the caput epididymidis of an obstructive azoospermic patient

Project description:Transcriptional profiling of human epididymal cell lines FHCE1 and IHCE1 respectively derived from the caput epididymidis of a fertile and an obstructive azoospermic patient. These two cell lines are comprised of homogenous populations of principal cells immortalized with the SV40 Large T antigen. Goal was to determine if cell junctions are impaired in this type of male infertility. Two-condition experiment, FHCE1 vs. IHCE1 cells. Replicates: 3 replicates from each cell line.

2010-06-08 | E-GEOD-21391 | biostudies-arrayexpress

Comparison of human epididymal gene expression in the caput epididymides of infertile and fertile patients

2007-10-05 | GSE9194 | GEO

Transcription profiling of of human epididymal gene expression in the caput epididymides of infertile and fertile patients

Project description:Caput epididymides biopsies from 4 patients suffering from non-obstructive azoospermia and from 4 patients with active spermatogenesis were compared. 414 genes in the caput epididymides were differentially regulated in infertile men by at least a 2-fold change as compared to the fertile men. Experiment Overall Design: Comparative caput epididymal gene expression from 4 patients with either active spermatogenesis (reference samples) or non-obstructive azoospermia. On each array, infertile tissue were compared to fertile tissue. Whenever the fertile tissues were labeled with cyanine 5 (see samples entitled "Patients 1 and 2" and "Patients 7 and 8"), the fluorescence ratios were swapped. Data was normalized using a locally weighted regression Lowess method and genes were considered differentially expressed in infertile sample versus fertile sample if there was at least a 2-fold change in 3 patients out of 4.

2008-06-16 | E-GEOD-9194 | biostudies-arrayexpress

RNA Sequencing Analysis of Wild Type Caput, Corpus, and Cauda Epididymal Transcriptomes

Project description:Purpose: The goal of this study is to detect differentially expressed genes, among Wild type caput, corpus, and cauda epididymis by RNA sequencing Methods: Caput, corpus, and cauda epidiymal mRNA profiles of 9-month-old wild-type mice were generated by deep sequencing, in triplicate, using Illumina GAIIx. Results: RNA-seq data identified transcripts differentially expressed in caput, corpus, and cauda epididymis. Conclusions: Our results show that the expression of many genes were differentially regulated in caput, corpus, and cauda epididymis.

2020-06-05 | GSE138517 | GEO

RNA Sequencing Analysis of Wild Type and Nell2-KO Caput Epididymal Transcriptomes

Project description:Purpose: The goal of this study is to detect differentially expressed genes, between Wild type (WT) and Nell2-/- (Nell2-KO) caput epididymis by RNA sequencing Methods: Caput epidiymal mRNA profiles of 14-week-old wild-type (WT) and NEL-like 2 knockout (Nell2-KO) mice were generated by deep sequencing, in quadplicate, using Illumina GAIIx. Results: RNA-seq data identified differentially expressed transcripts; 26 genes showed differential transcript expression between the WT and Nell2-KO caput epididymis, with WT RPKM ≥100, a fold change ≤0.1, and t-test p value <0.05. Altered expression of 26 genes identified. Conclusions: Our results show that the expression of many genes were downregulated in Nell2-KO caput epididymis compared with WT one.

2020-06-05 | GSE133920 | GEO

RNA Sequencing Analysis of Wild-type and Adgrg2-KO Caput Epididymal Transcriptomes

Project description:Purpose: The goal of this study is to detect differentially expressed genes, between wild-type (WT) and Adgrg2-/Y (Adgrg2-KO) caput epididymis by RNA sequencing Methods: Caput epididymal mRNA profiles of 8-week-old WT and Adgrg2-KO mice were generated by deep sequencing, in triplicate, using Illumina NovaSeq6000. Results: RNA-seq data identified differentially expressed transcripts. Conclusions: Our results show that the expression of many genes was slightly downregulated in Adgrg2-KO caput epididymis compared with WT one.

2023-05-23 | GSE232896 | GEO

RNA Sequencing Analysis of Nicol-Het, Nicol-KO and Ros1-KO Caput Epididymal Transcriptomes.

Project description:Purpose: The goal of this study is to detect differentially expressed genes, between Nicol +/- (Nicol-Het), Nicol-/- (Nicol-KO), and Ros1-/- (Ros1-KO) caput epididymis by RNA sequencing Methods: Caput epidiymal mRNA profiles of 14-week-old Nicol-Het, Nicol-KO, and Ros1-KO mice were generated by deep sequencing, in triplicate, using Illumina NovaSeq6000. Results: RNA-seq data identified differentially expressed transcripts. Conclusions: Our results show that the expression of many genes were downregulated in Nicol-KO caput epididymis compared with Nicol-Het one. The gene downregulation of Nicol-KO caput epididymis was similar to that of Ros1-KO one.

2023-02-27 | GSE206174 | GEO

RNA Sequencing Analysis of Wild-type, Efferent Duct-Ligated, and W/Wv Caput Epididymal Transcriptomes

Project description:Purpose: The goal of this study is to detect differentially expressed genes, between wild-type (WT) efferent duct ligation (EDL)-treated, and W/Wv caput epididymis by RNA sequencing Methods: The EDL treatment of WT mice was performed from 10 weeks old and continued for 4 weeks until tissue sampling at 14 weeks old. Caput epididymal mRNA profiles of 14-week-old WT, EDL, and W/Wv mice were generated by deep sequencing, in triplicate, using Illumina NovaSeq6000. Results: RNA-seq data identified differentially expressed transcripts. Conclusions: Our results show that the expression of many genes was downregulated in EDL or W/Wv caput epididymis compared with WT one.

2023-05-23 | GSE232898 | GEO

Immortalized mouse caput epididymal (mECap18) cell line recapitulates in vivo environment

Project description:Between the testes and the vas deferens lies the epididymis, a highly convoluted tubule whose unique environmental characteristics are crucial for the functional maturation of spermatozoa. Within the epididymal epithelium, the secretory system releases small non-coding RNA molecules (sncRNAs) and proteins housed within extracellular vesicles (epididymosomes) that are destined for delivery to recipient sperm cells which play key roles in fertility success and act as major conduits of epigenetic information delivered to the oocyte. The epithelial cells of the epididymis have proven to be highly sensitive to environmental stressors which can influence the sperm epigenome. Utilizing a label-free mass spectrometry proteomic approach we sought to characterize an immortalized mouse caput epididymal epithelial cell line (mECap18) and sequenced >5,100 proteins. When compared to a previous in-vivo mouse caput epithelial proteomic profile, a significant overlap (>75%) and proportionally similar patterns of protein classification were observed. Furthermore, key pathways associated with protein synthesis (e.g. EIF2 signaling) and cellular protection in the male reproductive tract (e.g. sirtuin signaling) were enriched in both proteomes. Leveraging this comparison supports mECap18 cells as a promising in-vitro model for recapitulating the in-vivo environment, providing a platform for testing therapeutic invention.

2023-09-29 | PXD042082 | Pride

Profiling of 18 - 45 nt small RNAs in the caput epididymal sperm of mice and rats

Project description:Total RNAs were extracted from the purified caput epididymal spermatozoa of mouse (C57BL/6, 2 months old) and rats (Sprague Dawley, 450g young adult), and the 18 - 45 nt fraction small RNAs were subjected to library construction and deep sequencing, using Illumina HiSeq 2000.

2018-10-31 | GSE122025 | GEO

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