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Katsuhiko Ohnuma

Observed names: K Ohnuma, K, Ohnuma, K. Ohnuma, KATSUHIKO OHNUMA, Katsuhiko OHNUMA
OpenAlex ID: A5113534076
Cytoplasmic glutathione regulated by cumulus cells during porcine oocyte maturation affects fertilization and embryonic development in vitro
2007 · N. Maedomari, K. Kikuchi, et al. · Theriogenology · 119
Addition of glutathione or thioredoxin to culture medium reduces intracellular redox status of porcine IVM/IVF embryos, resulting in improved development to the blastocyst stage
2006 · Manabu Ozawa, Takashi Nagai, et al. · Molecular Reproduction and Development · 71
Development to the blastocyst stage, the oxidative state, and the quality of early developmental stage of porcine embryos cultured in alteration of glucose concentrations in vitro under different oxygen tensions
2006 · Ni Wayan Kurniani Karja, Kazuhiro Kikuchi, et al. · Reproductive Biology and Endocrinology · 46
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Comparison between effects of 3‐isobutyl‐1‐methylxanthine and FSH on gap junctional communication, LH‐receptor expression, and meiotic maturation of cumulus–oocyte complexes in pigs
2007 · Manabu Ozawa, Takashi Nagai, et al. · Molecular Reproduction and Development · 32
Successful piglet production by IVF of oocytes matured in vitro using NCSU-37 supplemented with fetal bovine serum
2005 · Misae Suzuki, Koji Misumi, et al. · Theriogenology · 32
Development to the blastocyst stage of immature pig oocytes arrested before the metaphase-II stage and fertilized in vitro
2005 · Tamás Somfai, Kazuhiro Kikuchi, et al. · Animal Reproduction Science · 32
Successful pig embryonic development in vitro outside a CO2 gas-regulated incubator: Effects of pH and osmolality
2005 · Manabu Ozawa, Takashi Nagai, et al. · Theriogenology · 31
Production of inhibin A and inhibin B in boars: Changes in testicular and circulating levels of dimeric inhibins and characterization of inhibin forms during testis growth
2006 · Katsuhiko Ohnuma, Hiroyuki Kaneko, et al. · Domestic Animal Endocrinology · 28
Effects of gonadotrophin treatments on meiotic and developmental competence of oocytes in porcine primordial follicles following xenografting to nude mice
2006 · Hiroyuki Kaneko, Kazuhiro Kikuchi, et al. · Reproduction · 26
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Diploid porcine parthenotes produced by inhibition of first polar body extrusion during in vitro maturation of follicular oocytes
2006 · Tamás Somfai, Manabu Ozawa, et al. · Reproduction · 25
Detection of Early Pregnancy Factor (EPF) in Mare Sera.
1996 · Katsuhiko OHNUMA, Kazuei ITO, et al. · Journal of Reproduction and Development · 20
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In Vitro and In Vivo Developmental Ability of Oocytes Derived from Porcine Primordial Follicles Xenografted into Nude Mice
2006 · Kazuhiro KIKUCHI, Hiroyuki KANEKO, et al. · Journal of Reproduction and Development · 18
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Study of Early Pregnancy Factor (EPF) in Equine (Equus caballus)
2000 · KATSUHIKO OHNUMA, MASAKI YOKOO, et al. · American Journal of Reproductive Immunology · 18
Measurement of early pregnancy factor activity for monitoring the viability of the equine embryo
1998 · M Takagi, K Nishimura, et al. · Theriogenology · 16
Changes in Circulating and Testicular Levels of Inhibin A and B During Postnatal Development in Bulls
2006 · Hiroyuki KANEKO, Masatoshi MATSUZAKI, et al. · Journal of Reproduction and Development · 15
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Purification of mouse primordial germ cells by Nycodenz
2003 · T Mayanagi, R Kurosawa, et al. · Reproduction · 15
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Development to the Blastocyst Stage of Porcine Somatic Cell Nuclear Transfer Embryos Reconstructed by the Fusion of Cumulus Cells and Cytoplasts Prepared by Gradient Centrifugation
2007 · Mokhamad Fahrudin, Kazuhiro Kikuchi, et al. · Cloning and Stem Cells · 10
Plasma concentrations of inhibin A in cattle with follicular cysts: relationships with turnover of follicular waves and plasma levels of gonadotropins and steroid hormones
2004 · Junichi Todoroki, Junko Noguchi, et al. · Domestic Animal Endocrinology · 9
Partial Purification of Mare Early Pregnancy Factor
2004 · Katsuhiko Ohnuma, Kazuei Ito, et al. · American Journal of Reproductive Immunology · 8
Fine Mapping of a Region of Rat Chromosome 12 Close to the Aspermia (as) Locus and Comparison with the Human Orthologous Regions
2004 · Junko NOGUCHI, Eiji KOBAYASHI, et al. · EXPERIMENTAL ANIMALS · 7
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133 Vitrification Causes Damage of the Antioxidant Defense System in Ivm Porcine Oocytes
2006 · T. Somfai, M. Ozawa, et al. · Reproduction Fertility and Development · 6
Isolation and Identification of F-Spondin in the Boar Testis and Its Production During Testis Growth
2007 · Katsuhiko OHNUMA, Hiroyuki KANEKO, et al. · Journal of Reproduction and Development · 4
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Successful Long Term Culture of Immature Porcine Sertoli Cells in the Reconstructed Testicular Cell Cord
2006 · Junko NOGUCHI, Katsuhiko OHNUMA, et al. · Journal of Reproduction and Development · 2
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280 Porcine Blastocysts Derived From in Vitro -matured Oocytes Injected Intracytoplasmically With Sperm From Testicular Tissue Xenografted Into Nude Mice
2005 · K. Kikuchi, M. Nakai, et al. · Reproduction Fertility and Development · 1
183 Addition of Diphenyleneiodonium or Dehydroepiandrosterone to Culture Media Inhibits Reactive Oxygen Species Production During the Early Cleavage Stages of in Vitro -produced Porcine Embryos
2006 · N. W. K. Karja, K. Kikuchi, et al. · Reproduction Fertility and Development
Works count: 33
Citation count: 591
H-index: 15
I10-index: 17
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