A soluble extract from human spermatozoa activates ascidian oocytes (Articolo in rivista)

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  • A soluble extract from human spermatozoa activates ascidian oocytes (Articolo in rivista) (literal)
Anno
  • 1997-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1046/j.1440-169X.1997.t01-2-00008.x (literal)
Alternative label
  • Wilding, M. and Kyozuka, K. and Russo, G.L. and Tosti, E. and Dale, B. (1997)
    A soluble extract from human spermatozoa activates ascidian oocytes
    in Development, growth & differentiation (Print); Japanese society of developmental biologists, Hyogo (Giappone)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Wilding, M. and Kyozuka, K. and Russo, G.L. and Tosti, E. and Dale, B. (literal)
Pagina inizio
  • 329 (literal)
Pagina fine
  • 336 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • cited By (since 1996)26 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-0030961761&partnerID=40&md5=e5fca22af9d76924ebaff1df5bd8fef1 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 39 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 8 (literal)
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  • 3 (literal)
Note
  • Scopu (literal)
  • PubMe (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Stazione Zoologica Anton Dohrn, Villa Comunale, Napoli 80121, Italy; Asamushi Marine Biological Station, Tohoku University, Asamushi, Aomori 039-35, Japan (literal)
Titolo
  • A soluble extract from human spermatozoa activates ascidian oocytes (literal)
Abstract
  • A soluble extract from human spermatozoa induced calcium oscillations and extrusion of the first polar body when injected into oocytes of the ascidian Ciona intestinalis. The properties of calcium oscillations and time of polar body extrusion precisely mimic oocyte activation induced by C. intestinalis sperm or sperm extracts. The data suggest that human sperm extracts can activate oocytes of different phyla by the same mechanism as homologous spermatozoa. Injection of inositol 1,4,5-trisphosphate (IP 3) into C. intestinalis oocytes mimicked to some extent the initial stages of oocyte activation, but the results demonstrate that ascidian oocyte activation by human sperm extract cannot be explained solely in terms of IP 3-induced calcium release. Injection of other calcium releasing second messengers, cyclic adenosine diphosphate ribose, or calcium ions, does not lead to oocyte activation or release intracellular calcium in ascidian oocytes. It was concluded that human spermatozoa contain one or more molecules that can trigger intracellular calcium release in oocytes from different phyla. (literal)
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