Concepedia

Author

Katsuhiko Ohnuma

Institute of Agrobiological Sciences

Also Known As

K Ohnuma, K. Ohnuma, KATSUHIKO OHNUMA, Katsuhiko OHNUMA, Katsuhiko Ohnuma

33

Publications

577

Citations

15

H-Index

33

Concepts

All Affiliations

Institute of Agrobiological SciencesInstitute of Livestock and Grassland ScienceAzabu UniversityIwate UniversityJapan Society for the Promotion of Science
KO

About

Katsuhiko Ohnuma is an author at Institute of Agrobiological Sciences specializing in medicine, public health, and reproductive biology.

Top Concepts

#ConceptH-IndexPublicationsCitations

1

Medicine

10

11

327

2

Public Health

10

10

314

3

Cell Biology

5

5

187

4

Endocrinology

2

2

33

5

Biology

1

1

27

Katsuhiko Ohnuma

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17

Publications

539

Citations

15

H-Index

YearCitations

Cytoplasmic glutathione regulated by cumulus cells during porcine oocyte maturation affects fertilization and embryonic development in vitro

N. Maedomari, Kazuhiro Kikuchi, Manabu Ozawa,

Theriogenology

2007

114

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

Manabu Ozawa, Takashi Nagai, Mokhamad Fahrudin,

Molecular Reproduction and Development

2006

70

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

Ni Wayan Kurniani Karja, Kazuhiro Kikuchi, Mokhamad Fahrudin,

Reproductive Biology and Endocrinology

2006

46

Development to the blastocyst stage of immature pig oocytes arrested before the metaphase-II stage and fertilized in vitro

T. Somfai, Kazuhiro Kikuchi, Sergey Medvedev,

Animal Reproduction Science

2005

32

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

Manabu Ozawa, Takashi Nagai, T. Somfai,

Molecular Reproduction and Development

2007

32

Successful piglet production by IVF of oocytes matured in vitro using NCSU-37 supplemented with fetal bovine serum

Misae Suzuki, Koji MISUMI, Manabu Ozawa,

Theriogenology

2005

32

Successful pig embryonic development in vitro outside a CO2 gas-regulated incubator: Effects of pH and osmolality

Manabu Ozawa, Takashi Nagai, Hiroyuki Kaneko,

Theriogenology

2005

28

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

Katsuhiko Ohnuma, Hiroyuki Kaneko, Junko Noguchi,

Domestic Animal Endocrinology

2006

27

Effects of gonadotrophin treatments on meiotic and developmental competence of oocytes in porcine primordial follicles following xenografting to nude mice

Hiroyuki Kaneko, Kazuhiro Kikuchi, Junko Noguchi,

Reproduction

2006

24

Diploid porcine parthenotes produced by inhibition of first polar body extrusion during <i>in vitro</i> maturation of follicular oocytes

T. Somfai, Manabu Ozawa, Junko Noguchi,

Reproduction

2006

23

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