Takashi Nagai

Overview

Best Publications

• Successful Piglet Production after Transfer of Blastocysts Produced by a Modified In Vitro System

  Kazuhiro Kikuchi;Akira Onishi;Naomi Kashiwazaki;Masaki Iwamoto

  461
  Citations

• Cryopreservation and ensuing in vitro fertilization ability of boar spermatozoa from epididymides stored at 4°C

  K Kikuchi;T Nagai;N Kashiwazaki;H Ikeda

  268
  Citations

• High survival rate of bovine oocytes matured in vitro following vitrification.

  Ri-Cheng Chian;Masashige Kuwayama;Leonard Tan;Justin Tan

  260
  Citations

• Evidence of melatonin synthesis in the cumulus oocyte complexes and its role in enhancing oocyte maturation in vitro in cattle

  Mohamed El-Raey;Masaya Geshi;Tamás Somfai;Masahiro Kaneda

  224
  Citations

• Capacitation status and in vitro fertility of boar spermatozoa: effects of seminal plasma, cumulus‐oocyte‐complexes‐conditioned medium and hyaluronan

  K. Suzuki;A. Asano;B. Eriksson;K. Niwa

  189
  Citations

• Remarkable differences in telomere lengths among cloned cattle derived from different cell types.

  Norikazu Miyashita;Kazuho Shiga;Miharu Yonai;Kanako Kaneyama

  188
  Citations

• Enhancement of lipid metabolism with L-carnitine during in vitro maturation improves nuclear maturation and cleavage ability of follicular porcine oocytes

  Tamás Somfai;Masahiro Kaneda;Satoshi Akagi;Shinya Watanabe

  154
  Citations

• Developmental competence of in vitro-fertilized porcine oocytes after in vitro maturation and solid surface vitrification: effect of cryopreservation on oocyte antioxidative system and cell cycle stage.

  Tamás Somfai;Manabu Ozawa;Junko Noguchi;Hiroyuki Kaneko

  153
  Citations

• Effect of hyaluronan on monospermic penetration of porcine oocytes fertilized in vitro.

  K. Suzuki;B. Eriksson;H. Shimizu;T. Nagai

  139
  Citations

• Up date of in vitro production of porcine embryos.

  Takashi Nagai;Hiroaki Funahashi;Koji Yoshioka;Kazuhiro Kikuchi

  138
  Citations

• Molecular mechanisms underlying pig oocyte maturation and fertilization.

  Qing-Yuan Sun;Takashi Nagai

  138
  Citations

• Vitrification of bovine blastocysts obtained by in vitro culture of oocytes matured and fertilized in vitro.

  M. Kuwayama;S. Hamano;T. Nagai

  131
  Citations

• Trihalomethane formation potential of dissolved organic matter in a shallow eutrophic lake

  Akio Imai;Kazuo Matsushige;Takashi Nagai

  130
  Citations

• Effects of Sodium Pyruvate in Nonserum Maturation Medium on Maturation, Fertilization, and Subsequent Development of Bovine Oocytes With or Without Cumulus Cells

  Masaya Geshi;Naoki Takenouchi;Nobuhiko Yamauchi;Takashi Nagai

  126
  Citations

• Full-term development of in vitro-matured, vitrified and fertilized bovine oocytes.

  S. Hamano;A. Koikeda;M. Kuwayama;T. Nagai

  119
  Citations

• Effects of oxygen tension on the development and quality of porcine in vitro fertilized embryos.

  Ni Wayan Kurniani Karja;Pimprapar Wongsrikeao;Masako Murakami;Budiyanto Agung

  114
  Citations

• Supplementation of maturation medium with L-carnitine improves cryo-tolerance of bovine in vitro matured oocytes.

  Vibuntita Chankitisakul;Tamas Somfai;Yasushi Inaba;Mongkol Techakumphu

  114
  Citations

• Regulation of in vitro penetration of frozen-thawed boar spermatozoa by caffeine and adenosine.

  Hiroaki Funahashi;Takashi Nagai

  114
  Citations

• Supplementation of culture medium with L-carnitine improves development and cryotolerance of bovine embryos produced in vitro.

  Toshikiyo Takahashi;Yasushi Inaba;Tamas Somfai;Masahiro Kaneda

  113
  Citations

• In vitro maturation and fertilization of pig oocytes

  Takashi Nagai

  113
  Citations