Induction of CREM activator proteins in spermatids: down-stream targets and implications for haploid germ cell differentiation.
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15 صفحه اولFunctional cooperation between CREM and GCNF directs gene expression in haploid male germ cells
Cellular differentiation and development of germ cells critically depend on a coordinated activation and repression of specific genes. The underlying regulation mechanisms, however, still lack a lot of understanding. Here, we describe that both the testis-specific transcriptional activator CREMtau (cAMP response element modulator tau) and the repressor GCNF (germ cell nuclear factor) have an ov...
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Androgen receptor function is required for male embryonic sexual differentiation, pubertal development and the regulation of spermatogenesis in mammals. During spermatogenesis, this requirement is thought to be mediated by Sertoli cells and its genetic and pharmacological disruption is manifested in spermatocytes as meiotic arrest. Through studies of a hypomorphic and conditional allele of the ...
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BACKGROUND The RNase III endonuclease Dicer is an important regulator of gene expression that processes microRNAs (miRNAs) and small interfering RNAs (siRNAs). The best-characterized function of miRNAs is gene repression at the post-transcriptional level through the pairing with mRNAs of protein-encoding genes. Small RNAs can also act at the transcriptional level by controlling the epigenetic s...
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The germ cell nuclear factor (GCNF) is a member of the nuclear receptor super family of transcription factors. GCNF expression during gastrulation and neurulation is critical for normal embryogenesis in mice. GCNF represses expression of the POU domain transcription factor Oct4 during mouse post-implantation development in vivo. Oct4 is thus down-regulated during female gonadal development, whe...
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ژورنال
عنوان ژورنال: Molecular Endocrinology
سال: 1993
ISSN: 0888-8809,1944-9917
DOI: 10.1210/mend.7.11.8114765