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受精の分子機構

Research Project

Project/Area Number 02222103
Research Category

Grant-in-Aid for Scientific Research on Priority Areas

Allocation TypeSingle-year Grants
Research InstitutionTokyo Institute of Technology

Principal Investigator

星 元紀  東京工業大学, 生命理工学部, 教授 (20012411)

Co-Investigator(Kenkyū-buntansha) 鈴木 秋悦  慶応義塾大学, 医学部, 助教授 (00051227)
佐藤 章  福島県立医科大学, 医学部, 教授 (30004948)
片桐 千明  北海道大学, 理学部, 教授 (90000827)
内貴 正治  国立予防衛生研究所, 獣疫部, 部長 (10020752)
新井 勇治  筑波大学, 応用生物化学系, 教授 (90015636)
Project Period (FY) 1990
Project Status Completed (Fiscal Year 1990)
Budget Amount *help
¥41,300,000 (Direct Cost: ¥41,300,000)
Fiscal Year 1990: ¥41,300,000 (Direct Cost: ¥41,300,000)
Keywords精子運動能 / 受精能獲得 / 先体反応 / アクロシン / プロテインキナ-ゼC / 前核形成 / 卵ゼリ- / 透明帯
Research Abstract

今年度得た、新しい知見と成果は、次の通りである。1.精子の運動開始に、海産魚ではCa^<2+>、pHが重要な役割を果し、サケ科魚類では、特異的プロテア-ゼが関与する。サケ科魚類類精子の運動能獲得は、運動装置である鞭毛軸糸のみならず、細胞膜での変化を伴う。(森沢)2.哺乳類精子の受精能獲得は、頚管粘液で促進される。先体反応は、透明帯で誘起されるが卵丘は関与しない。(佐藤)3.ハムスタ-卵管より精製したオビダクチンは、卵胞卵の受精率を著しく高めた。(内貴)4.ブタおよびウシの卵胞液中には、卵の雄性前核形成能を高める高分子成分が存在する。(豊田)5.ヒトデ卵ゼリ-より精製した先体反応誘起物質は、新規糖鎖を含み、精子に特異的に結合する。(星)6.ブタ透明帯糖タンパク質のAsn結合型中性糖鎖の構造を明らかにした。(高崎)7.マウス精子の頭部細胞質に、プロテインキナ-ゼCアイシザイムのII型が発現している。(鈴木)8.ヒトおよびマウスで、アクロシン遺伝子を解析し、アクロシンの一次構造を決定した。この遺伝子には、雄性生殖細胞特異的に発現する遺伝子に含まれているGGGTGGG配列が認められた。転写、翻訳は、精母細胞パキテン期にはすでに始っていた。(新井)9.精子核の塩基性タンパクの遺伝子解析を、ヒキガエル(プロタミン)、ツメガエル(SP4)につき行い、両タンパクの一次構造を決定した。両者とも精子形成の最終段階で合成されるが、遺伝子の転写は、前者では精細胞、後者では精母細胞で行われる。(片桐)10.カエルの精子前核形成における精子核塩基性タンパクの離脱は、卵細胞質中のヌクレオプラスミンによって非酵素的に行われる。(片桐)11.ウシ輸卵管上皮細胞を腺構造を維持したままで一月以上培養する方法(内貴)、アフリカツメガエル体腔卵を受精させる方法(片桐)、Y染色体部分欠失マウス精子を効率良く受精させる方法(豊田)をそれぞれ開発した。

Report

(1 results)
  • 1990 Annual Research Report
  • Research Products

    (30 results)

All Other

All Publications (30 results)

  • [Publications] Motonori,HOSHI: "Egg signals for triggering the acrosome reaction in starfish spermatoza" J.Reprod.Fert. 42. 23-31 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Maria Rosaria Pinto: "ChymotrypsinーLike Enzymes Are Involved in Sperm Penetration Through the Vitelline Coat of Ciona intestinalis Egg" Moleculor Reproduction and Development. 26. 319-323 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Atsushi Irie: "Glucosylceramide Having a Novel TriーUnsaturated LongーChain Base from the Spermatozoa of the Starfish Asterias amurensis" J.Biochem. 107. 578-586 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Hideo,KUBO: "Gangliosides from the Eggs of the Sea Urchin,Anthocidaris crassispina^1" J.Biochem. 108. 185-192 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Hideo Kubo: "Immunocy to chemical Study of the Distribution of a Ganglioside in Sea Urchin Eggs" J.Biochem. 108. 193-199 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Atsushi,Irie: "Ceramide Dihexosides from the Spermatozoa of the Starfish,Asterias amurensis,Consist of Gentiobiosylー,Cellobiosylー,and Lactosylceramide" J.Biochem. 108. 531-536 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Arai,Y.: "Primary structure of mouse proacrosin deduced from the cDNA sequence and its gene expression during spermatogenesis" J.Biochem. 108. 785-791 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Kashiwabara,S.: "Acrosin Biosynthesis in meiotic and postmeiotic spermatogenic cells" Biochem,Biophys.Res.Commun. 173. 240-245 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Watanabe,K.: "Structure and organization of the mouse acrosin gene" J.Biochem. (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] Tanaka,K.: "Hamster sperm binding to hamster oviductal glycoprotein in gamete recognition" Jpn.J.Vet.Scie.

    • Related Report
      1990 Annual Research Report
  • [Publications] Hishinuma,M.: "Isolation and monolayer culture of bevine oviduct epithelial cells." Jpn.J.Vet.Sci.,. 51(6). 1201-1208 (1989)

    • Related Report
      1990 Annual Research Report
  • [Publications] Takahashi,Y.: "Preliminary study of Buffalo spserm penetration into zoneーfree hamster eggs after treatment with calcium ionophore A 23187." Jpn.J.Vet.Res.,. 37(1). 161-166 (1989)

    • Related Report
      1990 Annual Research Report
  • [Publications] Yamasaki,H.: "Selective degradation of specific components of fertilization coat and differentiation of hatching gland cells during the two phase hatching of Bufo japonicus embryos" Develop.Growth,Differ.,. 32. 65-72 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Yokota,T.: "Nuclear basic proteins of Xenopus laevis sperm:their characterization and synthesis during spermatogenesis" Develop.Growth,Differ.,. 33. 9-17 (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] Moriya,M.: "Immunoelectron microscopic localization of spermーspecific nuclear basic proteins during spermatogenesis in anuran amphibians." Develop.Growth,Differ.,. 33. 19-27 (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] Takamune,K.: "Primary structure of toad sperm protamines and nucleotide sequence of their cDNAs." Europ.J.Biochem.(1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] Yanagida,K.: "Cleanago of rabbit eggs after microsurgical injection of testiculor spermatozoa" Human Reproduction.

    • Related Report
      1990 Annual Research Report
  • [Publications] Yanagida,K.: "Thermostability of sperm nuclei assessed by microinjection into hamster oocytes" Biology of Reproduction.

    • Related Report
      1990 Annual Research Report
  • [Publications] 鈴木 秋悦: "Microfertilization法による不妊治療" 産科と婦人科. 17. 13-17 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] 小松 節子: "マウス精子先体反応における蛋白質リン酸化反応の変化" 薬学雑誌. 110. 325-331 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] 鈴木 秋悦: "卵管生理に関する最近の知見" 臨婦産. 44. 625-632 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.ENDO: "Demonstration of MaturationーPromoting and Inhibiting Activity in Mouse Oocyte" J.of IVF ET.7. 271-274 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.ENDO: "Protein Kinase C activity and protein phosphorylation in mouse sperm." Acta.Obst.Gynec.Jpn.43. 39-47 (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] S.SUZUKI: "Gametesーand embryoーoviduct interactions In:The proceeding of the World Congress on in vitro Fertilization and Alternate Assisted Reproduction." Pleum Press. 1-8 (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] S.SUZUKI: "Enhancement of fertilization by micromanipuration" Assisted Reproductive Technology/Andrology. (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.ENDO: "Protein Kinase C activity and protein phosphorylation in mouse egg." J.of IVF ET.(1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] 星 元紀: "新生化学実験講座 3 糖質I 糖タンパク質(下)" 東京化学同人, 440 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] 星 元紀・久保 英夫: "新生化学実験講座 4 脂質III 糖脂質" 東京化学同人, 502 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Motonori,HOSHI: "NATO ASI Series,Mechanism of Fertilization" B.Dale, 13

    • Related Report
      1990 Annual Research Report
  • [Publications] Motonori,HOSHI: "Comporative Spermatology" B.Baccetti, (1990)

    • Related Report
      1990 Annual Research Report

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Published: 1990-04-01   Modified: 2016-04-21  

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