Hepatoma-derived growth factor-related protein (HRP)-1 gene in spermatogenesis in mice.
Hepatoma-derived growth factor (HDGF)-related protein (HRP)-1, a member of the HDGF gene family, showed testis-specific expression in mice. HRP-1 expression in spermatogenesis was analyzed in the testis of normal and azoospermic mice by Northern blot and immunohistochemistry. HRP-1 gene message was not expressed in the ovary and its product was detected only in the nuclei of germ cells, not in somatic cells. The HRP-1 gene is expressed through pachytene spermatocyte to round spermatid. HRP-1 gene expression was not detected in the testis of cryptorchid mice or in some strains of mutant mice. These findings suggest that the testis-specific HRP-1 gene may play an important role in the phase around meiotic cell division.
Kuroda
T
T
Department of Molecular Medicine, Osaka University Medical School, Osaka, Japan. toshik@imed3.med.osaka-u.ac.jp
Tanaka
H
H
Nakamura
H
H
Nishimune
Y
Y
Kishimoto
T
T
D000818:Animals; D002454:Cell Differentiation; D006133:Growth Substances / Q000096:biosynthesis* / Q000235:genetics; D036341:Intercellular Signaling Peptides and Proteins; D008297:Male; D051379:Mice; D012333:RNA, Messenger / Q000032:analysis; D012741:Sexual Maturation / Q000502:physiology; D013091:Spermatogenesis / Q000502:physiology*; D013094:Spermatozoa / Q000166:cytology* / Q000502:physiology
D006133:Growth Substances; D036341:Intercellular Signaling Peptides and Proteins; D012333:RNA, Messenger; C051610:hepatoma-derived growth factor