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Transcript profiling of WT and Nxf2 KO post-natal day 21 testes

ABSTRACT: In euakryotes, mRNAs must be exported from the nucleus to the cytsoplasm. NXF2 is highly expressed in the mouse male germ cells. We are interested in its function in spermatogenesis, espically in the nuclear RNA export in the testis. To this end, we made Nxf2 mutant mice by gene targeting. In an attempt to identify the mRNA substrates of NXF2, we perform the microarray experiments on testes. We used microarrays to check the expression profiles of the Nxf2 WT and KO 21d testes on C57BL/6 background.

ORGANISM(S): Mus musculus

PROVIDER: GSE13526 | GEO | 2009/11/05

SECONDARY ACCESSION(S): PRJNA110139

REPOSITORIES: GEO

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Transcription profiling of mouse WT and Nxf2 KO post-natal day 21 testes

Project description:In euakryotes, mRNAs must be exported from the nucleus to the cytsoplasm. NXF2 is highly expressed in the mouse male germ cells. We are interested in its function in spermatogenesis, espically in the nuclear RNA export in the testis. To this end, we made Nxf2 mutant mice by gene targeting. In an attempt to identify the mRNA substrates of NXF2, we perform the microarray experiments on testes. We used microarrays to check the expression profiles of the Nxf2 WT and KO 21d testes on C57BL/6 background. Experiment Overall Design: To examine the expression difference between WT and Nxf2 KO testes, we collected testes from juvenile mice of three ages ( 21d, 26d, 28d). Testis weight was similar between WT and KO mice at post-natal day 21. Three pairs of WT and KO 21d testes were chosen for microarray analysis.

2009-11-14 | E-GEOD-13526 | biostudies-arrayexpress

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Next Generation Sequencing Analysis of Wild Type and Rfx2-/- Testicular Transcriptomes at post natal day 21 [RNA-Seq P21]

Project description:Purpose: This study was carried out to determine the consequences of the Rfx2-/- genotype on spermatogenesis in the mouse Methods: RNA was extracted from decapsulated testes of 21 day old mixed background mice of either genotype. Deep sequencing was used to determine quantitative expression of the genomes from independent replicates of each genotype Results: RNA-Seq analysis identified some 105 genes that are down regulated at least 2-fold in Rfx2-/- testes, with ~50 being reduced at least 10-fold Conclusion: Spermatogenesis undergoes complete arrest just prior to the end of the round spermatid period of sperm development in mutant mice. Sequencing results showed that approximately 105 genes were downregulated 2 fold or more in the testes of mutant mice. Comparison of similar studies of targeted mutations in genes for other transcription factor demonstrate that Rfx2 has a large and nearly unique set of genes that depend on it directly or indirectly. A large number of downregulated genes are identified with cilia function. Testicular mRNA profiles were determined by deep sequencing using testes from 5 independent wild type and 6 independent Rfx2-/- mice

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Project description:Testes and testes terminal epithelium/seminal vesicles were dissected and separated from 4-5 day old Oregon-R-modENCODE Drosophila melanogaster males. RNA-sequencing was then performed on these two distinct biological structures.

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Somatic mutation and clonal evolution in the human testes

Project description:In this study we aim to characterise the landscape of Pathogenic variants and clonal dynamics in normal and cancerous testes and their role in cancer predisposition. The study combines targeted sequencing and whole-genome sequencing of microbiopsies from testes. The range of patients studied will include healthy individuals, and patients with testicular cancer.

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Gene expression in 16 dpp Tex19.1-/- mouse testes

Project description:Microarray experiment to identify changes in gene expression in 16 day post partum prepubertal Tex19.1-/- mouse testes. Tex19.1 is expressed in germ cells in testes. Tex19.1-/- mice have spermatogenic defects and errors in progression through meiosis. Data provides insight into the changes in gene expression in developing testes at the time when meiotic defects first start to become apparent.

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Expression profiling of Drosophila testes

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mRNA-Seq profiling of Stra8-deficient and wild-type testes

Project description:We sequenced mRNA in grossly enlarged testes from 1-year-old Stra8-deficient mice, and in testes from adult male wild-type controls, to verify that Stra8-deficient testes are enriched for genes normally expressed in type A spermatogonia.

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