Mus musculus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA278660 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR1917281_1.fastq.gz | Fastqsanger.gz | |||
| SRR1917281_2.fastq.gz | Fastqsanger.gz | |||
| SRR1917282_1.fastq.gz | Fastqsanger.gz | |||
| SRR1917282_2.fastq.gz | Fastqsanger.gz | |||
| SRR1917283_1.fastq.gz | Fastqsanger.gz |
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Project description:Treatment of oocytes derived from large (4-6 mm; LG) or small (>3 mm; SM) follicles with glial cell line-derived neurotrophic factor (GDNF) during in vitro maturation.
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Project description:Treatment of oocytes derived from large (4-6 mm; LG) or small (>3 mm; SM) follicles with glial cell line-derived neurotrophic factor (GDNF) during in vitro maturation. Four-condition experiment, SM and LG oocytes, each with and without GDNF. Biological replicates: 9 per condition, independently collected. Pools of three replicates per array.
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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:A quantitative mass-spectrometry-based proteome and phosphoproteome profiles of SPCs following sustained stimulation with glial cell-derived neurotrophic factor (GDNF).
2017-04-20 | PXD005756 | Pride
Project description:Mouse spermatogonial stem cells (SSCs) continuously self-renew on the feeder layers in serum-free culture medium supplemented with glial cell line-derived neurotrophic factor and fibroblast growth factor 2. To identify novel nuclear proteins involved in SSC maintenance, comparative proteomic profiling of nuclear proteins was performed between self-renewing and differentiation-initiated SSCs in culture. The self-renewing SSC cultures were established from C57BL/6 mouse testes. Nuclear fractions from self-renewing SSC cultures treated with ethanol as a vehicle control (spermatogonial stem cells) and differentiation-initiated SSC cultures treated with 0.3 μM retinoic acid for 24 h (spermatogonial progenitor cells) were isolated for proteomic analysis.
2024-09-27 | PXD045716 | JPOST Repository
Project description:Female fertility is determined in part by the size and development of the primordial follicle pool. The current study investigates the role of glial cell-line derived neurotrophic factor (GDNF) in the regulation of primordial follicle development in the ovary. Ovaries from four-day old female rat pups were maintained in organ culture for ten days in the absence (control) or presence of GDNF or kit ligand/stem cell factor (KL). Ovaries treated with GDNF contained a significant increase in developing follicles, similar to that observed with KL treatment previously shown to promote follicle development. The actions of GDNF on the ovarian transcriptome were investigated with a microarray analysis. Immunohistochemical studies demonstrated that GDNF is localized to oocyte cytoplasm in follicles of all developmental stages, as well as to cumulus granulosa cells and theca cells in antral follicles. GDNF receptor alpha 1 (GFRalpha1) staining was localized to oocyte cytoplasm of primordial and primary follicles, and at reduced levels in oocytes of antral follicles. GFRalpha1 was present in mural granulosa cells of antral follicles, theca cells, and the ovarian surface epithelium. The localization studies were confirmed with molecular analysis. Microarray analysis was used to identify changes in the ovarian transcriptome and further elucidate the signaling network regulating early follicle development. Observations indicate that GDNF promotes primordial follicle development and mediates autocrine and paracrine cell-cell interactions required during folliculogenesis. In contrast to the testis, ovarian GDNF is predominantly produced by germ cells (oocytes) rather than somatic cells. Keywords: expression analysis, glial derived neurotrophic factor, follicle transition, ovary
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Project description:Dopaminergic neurons (DAn), generated from human pluripotent stem cells (hPSC), are capable of functionally integrating following transplantation and have recently advanced to clinical trials for Parkinson’s disease (PD). However, pre-clinical studies have highlighted the low proportion of DAn within hPSC-derived grafts and their inferior plasticity compared to fetal tissue. Here we examined whether delivery of a developmentally critical protein, glial cell line-derived neurotrophic factor (GDNF), could improve graft outcomes. We tracked the response of DAn implanted into either a GDNF-rich environment, or after a delay in exposure. Early GDNF promoted survival and plasticity of non-DAn, leading to enhanced motor recovery in PD rats. Delayed exposure to GDNF promoted functional recovery through increases in DAn specification, DAn plasticity and dopamine metabolism. Transcriptional profiling revealed a role for MAPK-signalling downstream of GDNF. Collectively these results demonstrate the potential of neurotrophic gene therapy strategies to improve hPSC graft outcomes.
2020-01-06 | GSE143136 | GEO
Project description:In this study, glial cell line-derived neurotrophic factor (GDNF)- Gelatin methacryloyl (Gel)/hydroxylapatite (HA)-Mg nerve conduit was developed. the conduit was implanted in sciatic nerve defect model in SD rats to explore its role in repairing peripheral nerve defects. Regenerated nerve tissues from GDNF-Gel/HA-Mg group and negative control group were collected for RNA-seq, aiming to explore the potential molecular mechanism of GDNF-Gel/HA-Mg in peripheral nerve regeneration.
2023-12-20 | GSE243282 | GEO
Project description:Insight into mechanisms controlling gene expression in the spermatogonial stem cell (SSC) will improve our understanding of the processes regulating spermatogenesis and aid in treating problems associated with male infertility. In this study we explored the global gene expression profiles of glial cell line-derived neurotrophic factor (GDNF) regulated transcription factors, Ets variant gene 5 (Etv5), B-cell CLL/lymphoma 6, member B (Bcl6b) and POU domain, class-3 transcription factor-1 (Pou3f1). We reasoned that these three factors may function as a core-set of transcription factors, regulating genes responsible for maintaining the SSC population. Using transient short-interfering RNA oligonucleotides (siRNA) to individually target Etv5, Bcl6b and Pou3f1 within mouse SSC cultures, we examined changes to the global gene expression profiles associated with these transcription factors. While there were only modest overlaps in the target genes regulated by the three factors, ETV5 was found to be a critical downstream regulator of GDNF signaling that mediated the expression of several known SSC self-renewal related genes including, Bcl6b and LIM homeobox 1 (Lhx1). Notably, ETV5 was identified as a regulator of Brachyury and CXC chemokine Receptor, type 4 (Cxcr4), and we show that ETV5 binding to the Brachyury gene promoter region is associated with an active state of transcription. Moreover, in vivo transplantation of SSCs following silencing of Brachyury significantly reduced the number of donor cell-derived colonies formed within recipient mouse testes. These results suggest Brachury is of biological importance, and functions as part of GDNF/ETV5 signaling to promote self-renewal of mouse SSCs cultured in vitro. Microarray gene expression analysis was conducted with Affymetrix Mouse 430 2.0 GeneChips (Affymetrix Inc.).Following with gene knockdown, total RNA from spermatogonial stem cells was converted to cDNA. There are total 16 samples (Four groups and four samples per group) Negative control (N), Bcl6b Knockdown (B), Etv5 knockdown (E), and Pou3f1 knockdown (O), respectively.
2011-07-14 | E-GEOD-30683 | biostudies-arrayexpress
Project description:GDNF-regulated gene expression was studied in cultures of actively self-renewing spermatogonial stem cells established from 6 day old male mice. GDNF is the essential growth factor regulating mouse spermatogonial stem cell self-renewal. Using a serum-free chemically defined culture system that supports mouse spermatogonial stem cell self-renewal for extended periods of time, GDNF-regulated genes were identified using microarray profiling. Experiment Overall Design: Established cultures of highly enriched self-renewing spermatogonial stem cells were subjeted to withrawal of GDNF and GFRalpha1 for 18-hr followed by replacement of the growth factors for 2, 4, and 8-hr. Gene expression was studied using microarray profiling prior to withdrawal, after withdrawal and at each time-point of GDNF/GFRalpha1 replacement.
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