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Nat Commun ; 15(1): 3330, 2024 Apr 29.
Artículo en Inglés | MEDLINE | ID: mdl-38684656

RESUMEN

Meiotic prophase progression is differently regulated in males and females. In males, pachytene transition during meiotic prophase is accompanied by robust alteration in gene expression. However, how gene expression is regulated differently to ensure meiotic prophase completion in males remains elusive. Herein, we identify HSF5 as a male germ cell-specific heat shock transcription factor (HSF) for meiotic prophase progression. Genetic analyzes and single-cell RNA-sequencing demonstrate that HSF5 is essential for progression beyond the pachytene stage under non-stress conditions rather than heat stress. Chromatin binding analysis in vivo and DNA-binding assays in vitro suggest that HSF5 binds to promoters in a subset of genes associated with chromatin organization. HSF5 recognizes a DNA motif different from typical heat shock elements recognized by other canonical HSFs. This study suggests that HSF5 is an atypical HSF that is required for the gene expression program for pachytene transition during meiotic prophase in males.


Asunto(s)
Factores de Transcripción del Choque Térmico , Profase Meiótica I , Espermatogénesis , Femenino , Masculino , Ratones , Factores de Transcripción del Choque Térmico/metabolismo , Respuesta al Choque Térmico , Ratones Endogámicos C57BL , Ratones Noqueados , Testículo/metabolismo , Animales
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