首页|Application of genome tagging technology in elucidating the function of sperm-specific protein 411(Ssp411)
Application of genome tagging technology in elucidating the function of sperm-specific protein 411(Ssp411)
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The genome tagging project(GTP)plays a pivotal role in addressing a critical gap in the understanding of protein functions.Within this framework,we successfully generated a human influenza hemagglutinin-tagged sperm-specific protein 411(HA-tagged Ssp411)mouse model.This model is instrumental in probing the expression and function of Ssp411.Our research revealed that Ssp411 is expressed in the round spermatids,elongating spermatids,elongated spermatids,and epididymal spermatozoa.The comprehensive examination of the distribution of Ssp411 in these germ cells offers new perspectives on its involvement in spermiogenesis.Nevertheless,rigorous further inquiry is imperative to elucidate the precise mechanistic underpinnings of these functions.Ssp411 is not detectable in metaphase Ⅱ(MⅡ)oocytes,zygotes,or 2-cell stage embryos,highlighting its intricate role in early embryonic development.These findings not only advance our understanding of the role of Ssp411 in reproductive physiology but also significantly contribute to the overarching goals of the GTP,fostering groundbreaking advancements in the fields of spermiogenesis and reproductive biology.
epididymal spermatozoagenome tagging projectHA tagsperm-specific protein 411
Shanghai-MOST Key Laboratory of Health and Disease Genomics,NHC Key Lab of Reproduction Regulation,Shanghai Institute for Biomedical and Pharmaceutical Technologies,School of Pharmacy,Fudan University,Shanghai 200237,China
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