Characterization of the human testicular primary cells
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1092349 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR28466865_1.fastq.gz | Fastqsanger.gz | |||
| SRR28466865_2.fastq.gz | Fastqsanger.gz | |||
| SRR28466866_1.fastq.gz | Fastqsanger.gz | |||
| SRR28466866_2.fastq.gz | Fastqsanger.gz | |||
| SRR28466867_1.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 5 of 18 |
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Project description:In this study, we carried out experiments using commercially available human testicular primary cells - hTPc (Celprogen, CA, USA), obtained from a 25-years old Caucasian man with normal karyotype 46,XY. To characterize the hTP cells, we used the commercial total RNA obtained from normal testicular tissues with preserved spermatogenesis (n=3) (Clontech Laboratories; Agilent Life Technologies, Carlsbad, CA, USA; Ambion Life Technologies, Carlsbad, CA, USA)
2025-05-01 | GSE262559 | GEO
Project description:Smooth-muscle-like peritubular cells make up the wall of semniferous tubules of men. These human testicular peritubular cells (HTPC) have been shown to fulfill different roles. They transport sperm, secrete various factors like GDNF (glial cell line derived neurotrophic factor) and are immunologically active. They might contribute to spermatogonial stem cell niche altering and testicular ageing. Previous studies were limited regarding heterogeneity (due to lifestyle, age, medical history etc.) and accessibility of HTPCs. To circumvent this problem a cellular primate model should be established. The proteome of 6 MKTPCs of individual healthy and young (2 or 3 years) donors was assessed to investigate the suitability as a model.
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Project description:ITo derive a scaffold from human testis for the purpose of tissue engineering and regenerative medicine, we developed a method to produce a cytocompatible decellularized testicular matrix (DTM) while maintaining the native tissue-specific characteristics and components. The potential benefits of tissue-specific scaffolds consisting of naturally-derived extracellular matrix (ECM) have been demonstrated using a wide variety of animal and human tissue sources. However, so far, testis scaffolds have never been considered for constructive remodelling purposes. We have therefore developed a protocol for the preparation of cell-free extracellular matrix and characterized the material extensively using a combination of proteomics, immunohistochemsitry, and cell population assays. To prepare cell-free matrix, human cadaveric testicular tissue was exposed for 24 h or 48 h to 1% Triton X-100 and/or 1% sodium dodecyl sulfate (SDS). The extent of decellularization was evaluated by histology. Confirmation of cell removal in DTM was done by a DNA quantification technique. The protein composition was analysed by LC-MS/MS. The retention of testicular tissue-specific characteristics was evaluated by immunohistochemistry, Alcian blue staining and scanning electron microscopy. Soluble toxicity and testicular cell attachment was assessed to check the cytocompatibility of DTM scaffolds. Histological analysis showed that DTM could be obtained by mechanical agitation in 1% SDS for 24 h. The resulting DTM was found to be clear of cells while retaining the typical three-dimensional structure. Proteomics analysis revelaed the presence of the major components of the native tissue scaffold, including collagen type I and IV, fibronectin, laminin and glycosaminoglycans. In addition, numerous additional ECM proteins in DTM were detected, indicating its complex nature. Importantly, we demonstrated that DTM scaffolds are not cytotoxic, as evidenced by MTT assay showing a normal fibroblast proliferation activity after indirect exposure, and support testicular cell attachment and infiltration.
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Project description:Human testicular cells were isolated mechanically and enzymatically from testis of braindead donors and from urological samples. The expression of genes was studied at baseline and 1,25(OH)2D treated conditions. We used microarrays to analyze the gene expression underlying vitamin D metabolism in human testis cells and identified distinct classes of up-regulated genes during this process. Testicular primary cells were treated with 100nM 1,25(OH)2D for 24h and gene expression studied by microarray on transcript level.
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Project description:In addition to germ cell population, testes contain several types of somatic cells, including Sertoli cells, Leydig cells, and peritubular myoid (PTM) cells. PTM cells are a type of smooth muscle-like cells and have contraction ability. To identify a marker of PTM cells, we isolated primary cells and subsequently performed RNA-Seq of testicular peritubular myoid cells (PTM_1, PTM_2, PTM_3), testicular Sertoli cells (Sertoli_1, Sertoli_2, Sertoli_3), testicular Leydig cells (Leydig_1, Leydig_2, Leydig_3), testicular germ cells (Germ_1, Germ_2, Germ_3), vascular smooth muscle cells (VSMC_1, VSMC_2, VSMC_3), intestinal smooth muscle cells (ISMC_1, ISMC_2, ISMC_3), and tracheal smooth muscle cells (TSMC_1, TSMC_2, TSMC_3) using BGISEQ-500 platform (BGI, China).
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Project description:In addition to germ cell population, testes contain several types of somatic cells, including Sertoli cells, Leydig cells, and peritubular myoid (PTM) cells. PTM cells are a type of smooth muscle-like cells and have contraction ability. To identify a marker of PTM cells, we isolated primary cells and subsequently performed miRNA-Seq of testicular peritubular myoid cells (PTM_1, PTM_2, PTM_3), testicular Sertoli cells (Sertoli_1, Sertoli_2, Sertoli_3), testicular Leydig cells (Leydig_1, Leydig_2, Leydig_3), testicular germ cells (Germ_1, Germ_2, Germ_3), vascular smooth muscle cells (VSMC_1, VSMC_2, VSMC_3), intestinal smooth muscle cells (ISMC_1, ISMC_2, ISMC_3), and tracheal smooth muscle cells (TSMC_1, TSMC_2, TSMC_3) using BGISEQ-500 platform (BGI, China).
2019-01-19 | GSE125302 | GEO
Project description:ITo derive a scaffold from human testis for the purpose of tissue engineering and regenerative medicine, we developed a method to produce a cytocompatible decellularized testicular matrix (DTM) while maintaining the native tissue-specific characteristics and components. The potential benefits of tissue-specific scaffolds consisting of naturally-derived extracellular matrix (ECM) have been demonstrated using a wide variety of animal and human tissue sources. However, so far, testis scaffolds have never been considered for constructive remodelling purposes. We have therefore developed a protocol for the preparation of cell-free extracellular matrix and characterized the material extensively using a combination of proteomics, immunohistochemsitry, and cell population assays. To prepare cell-free matrix, human cadaveric testicular tissue was exposed for 24 h or 48 h to 1% Triton X-100 and/or 1% sodium dodecyl sulfate (SDS). The extent of decellularization was evaluated by histology. Confirmation of cell removal in DTM was done by a DNA quantification technique. The protein composition was analysed by LC-MS/MS. The retention of testicular tissue-specific characteristics was evaluated by immunohistochemistry, Alcian blue staining and scanning electron microscopy. Soluble toxicity and testicular cell attachment was assessed to check the cytocompatibility of DTM scaffolds. Histological analysis showed that DTM could be obtained by mechanical agitation in 1% SDS for 24 h. The resulting DTM was found to be clear of cells while retaining the typical three-dimensional structure. Proteomics analysis revelaed the presence of the major components of the native tissue scaffold, including collagen type I and IV, fibronectin, laminin and glycosaminoglycans. In addition, numerous additional ECM proteins in DTM were detected, indicating its complex nature. Importantly, we demonstrated that DTM scaffolds are not cytotoxic, as evidenced by MTT assay showing a normal fibroblast proliferation activity after indirect exposure, and support testicular cell attachment and infiltration.
2015-01-30 | PXD001524 | Pride
Project description:Whole genome DNA methylation analysis of human testicular germ cells
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