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RNA-binding protein IGF2BP1 is required for spermatogenesis in an age-dependent manner

ABSTRACT: RNA-binding protein IGF2BP1 is required for spermatogenesis in an age-dependent manner

PROVIDER: PRJNA1155691 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR30511950_1.fastq.gz	Fastqsanger.gz
	SRR30511950_2.fastq.gz	Fastqsanger.gz
	SRR30511951_1.fastq.gz	Fastqsanger.gz
	SRR30511951_2.fastq.gz	Fastqsanger.gz

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RNA-binding protein IGF2BP1 is required for spermatogenesis in an age-dependent manner

Project description:Post-transcriptional regulation mediated by RNA binding proteins is crucial for male germline development. Insulin-like growth factor 2 mRNA-binding protein 1 (IGF2BP1), an RNA binding protein, is specifically expressed in human and mouse male gonads and is involved in manifold biological processes and tumorigenesis. However, the function of IGF2BP1 in mammalian spermatogenesis remains poorly understood. Herein, we generated an Igf2bp1 conditional knockout mouse model using Nanos3-Cre. Germ cell deficiency of Igf2bp1 in mice caused spermatogenic defects in an age-dependent manner, resulting in decreased numbers of undifferentiated spermatogonia and increased germ cell apoptosis. Immunoprecipitation-mass spectrometry analysis revealed that ELAV-like RNA binding protein 1, a well-recognized mRNA stabilizer, interacted with IGF2BP1. Single cell RNA-sequencing showed distinct mRNA profiles in spermatogonia from conditional knockout versus wide type mice. Further research showed that IGF2BP1 plays a vital role in the modulation of spermatogenesis by regulating Lin28a mRNA, which is essential for clonal expansion of undifferentiated spermatogonia. Thus, our results highlight the crucial effects of IGF2BP1 on spermatogonia for the long-term maintenance of spermatogenesis

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RNA-binding protein IGF2BP1 is required for spermatogenesis in an age-dependent manner

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RNA-binding protein IGF2BP1 is required for spermatogenesis in an age-dependent manner

Project description:This study characterizes the in vivo function of RNA-binding protein IGF2BP1 during spermatogenesis, and further identifies ELAVL1 as a novel binding partner, and Lin28a mRNA as a downstream target.

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