• 3246 Citations
  • 32 h-Index
1982 …2020

Research output per year

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Research Output

  • 3246 Citations
  • 32 h-Index
  • 186 Article
  • 8 Review article
  • 2 Conference contribution
  • 1 Conference article
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Article
2019

Removal of cumulus cells around 20 h after the start of in vitro maturation improves the meiotic competence of porcine oocytes via reduction in cAMP and cGMP levels

Ferré-Pujol, P., Nguyen, X. K., Nagahara, T., Bui, T. T. M., Wakai, T. & Funahashi, H., Apr 12 2019, In : The Journal of reproduction and development. 65, 2, p. 177-182 6 p.

Research output: Contribution to journalArticle

Open Access
Open Access

Presence of vascular endothelial growth factor during the first half of IVM improves the meiotic and developmental competence of porcine oocytes from small follicles

Bui, T. M. T., Nguyn, K. X., Karata, A., Ferré, P., Trn, M. T., Wakai, T. & Funahashi, H., 2017, In : Reproduction, Fertility and Development. 29, 10, p. 1902-1909 8 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
4 Citations (Scopus)
2016

Application of a microfluidic sperm sorter to in vitro production of dairy cattle sex-sorted embryos

Li, J., Zhu, S., He, X., Sun, R., He, Q., Gan, Y., Liu, S., Funahashi, H. & Li, Y., Apr 15 2016, In : Theriogenology. 85, 7, p. 1211-1218 8 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)
3 Citations (Scopus)

In vitro fertilization in pigs: New molecules and protocols to consider in the forthcoming years

Romar, R., Funahashi, H. & Coy, P., Jan 1 2016, In : Theriogenology. 85, 1, p. 125-134 10 p.

Research output: Contribution to journalArticle

26 Citations (Scopus)

Milk supplements in a glycerol free trehalose freezing extender enhanced cryosurvival of boar spermatozoa

Athurupana, R. & Funahashi, H., Mar 1 2016, In : Asian Pacific Journal of Reproduction. 5, 1, p. 58-62 5 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2015

A phosphodiesterase type-5 inhibitor, sildenafil, induces sperm capacitation and penetration into porcine oocytes in a chemically defined medium

Ioki, S., Wu, Q. S., Takayama, O., Motohashi, H. H., Wakai, T. & Funahashi, H., Jun 24 2015, (Accepted/In press) In : Theriogenology.

Research output: Contribution to journalArticle

5 Citations (Scopus)
9 Citations (Scopus)

Trehalose in glycerol-free freezing extender enhances post-thaw survival of boar spermatozoa

Athurupana, R., Takahashi, D., Ioki, S. & Funahashi, H., Jan 1 2015, In : Journal of Reproduction and Development. 61, 3, p. 205-210 6 p.

Research output: Contribution to journalArticle

Open Access
11 Citations (Scopus)
2013

A microfluidic device to reduce treatment time of intracytoplasmic sperm injection

Matsuura, K., Uozumi, T., Furuichi, T., Sugimoto, I., Kodama, M. & Funahashi, H., Feb 2013, In : Fertility and Sterility. 99, 2, p. 400-407 8 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Development competence and relative transcript abundance of oocytes derived from small and medium follicles of prepubertal gilts

Kohata, C., Izquierdo-Rico, M. J., Romar, R. & Funahashi, H., Dec 1 2013, In : Theriogenology. 80, 9, p. 970-978 9 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Effects of caffeine on sperm characteristics after thawing and inflammatory response in the uterus after artificial insemination with frozen-thawed boar semen

Yamaguchi, S., Suzuki, C., Noguchi, M., Kasa, S., Mori, M., Isozaki, Y., Ueda, S., Funahashi, H., Kikuchi, K., Nagai, T. & Yoshioka, K., Jan 1 2013, In : Theriogenology. 79, 1, p. 87-93 7 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)
2012
13 Citations (Scopus)
19 Citations (Scopus)
2 Citations (Scopus)

Simple vitrification for small numbers of human spermatozoa

Endo, Y., Fujii, Y., Shintani, K., Seo, M., Motoyama, H. & Funahashi, H., Mar 1 2012, In : Reproductive BioMedicine Online. 24, 3, p. 301-307 7 p.

Research output: Contribution to journalArticle

36 Citations (Scopus)

Successful delivery derived from vitrified-warmed spermatozoa from a patient with nonobstructive azoospermia

Endo, Y., Fujii, Y., Kurotsuchi, S., Motoyama, H. & Funahashi, H., Dec 1 2012, In : Fertility and Sterility. 98, 6, p. 1423-1427 5 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)
2011

Caffeine, dibutyryl cyclic-AMP and heparin affect the chemotactic and phagocytotic activities of neutrophils for boar sperm in vitro

Li, J. C., Yamaguchi, S., Kondo, Y. & Funahashi, H., Apr 15 2011, In : Theriogenology. 75, 7, p. 1336-1345 10 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Hydrophobic silicone elastomer chamber for recording trajectories of motile porcine sperms without adsorption

Matsuura, K., Kuroda, Y., Yamashita, K. & Funahashi, H., Mar 28 2011, In : Journal of Reproduction and Development. 57, 1, p. 163-167 5 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Single spermatozoon freezing using cryotop

Endo, Y., Fujii, Y., Shintani, K., Seo, M., Motoyama, H. & Funahashi, H., Jul 18 2011, In : Journal of Mammalian Ova Research. 28, 1, p. 47-52 6 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)
2010

Application of a microfluidic sperm sorter to the in-vitro fertilization of porcine oocytes reduced the incidence of polyspermic penetration

Sano, H., Matsuura, K., Naruse, K. & Funahashi, H., Sep 2010, In : Theriogenology. 74, 5, p. 863-870 8 p.

Research output: Contribution to journalArticle

26 Citations (Scopus)
11 Citations (Scopus)

Internalization of REIC/Dkk-3 protein by induced pluripotent stem cell-derived embryoid bodies and extra-embryonic tissues

Kataoka, K., Sakaguchi, M., Li, K. P., Taketa, C., Yamamoto, K. I., Du, G., Funahashi, H., Murata, H. & Huh, N. H., Dec 2010, In : International journal of molecular medicine. 26, 6, p. 853-859 7 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
18 Citations (Scopus)
2009
7 Citations (Scopus)
32 Citations (Scopus)
38 Citations (Scopus)
2008

Effect of glucose and pyruvate on nuclear and cytoplasmic maturation of porcine oocytes in a chemically defined medium

Funahashi, H., Koike, T. & Sakai, R., Oct 15 2008, In : Theriogenology. 70, 7, p. 1041-1047 7 p.

Research output: Contribution to journalArticle

28 Citations (Scopus)

In vitro development of non-enucleated rat oocytes following microinjection of a cumulus nucleus and chemical activation

Fujii, W. & Funahashi, H., May 1 2008, In : Zygote. 16, 2, p. 117-125 9 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Metal mesh vitrification (MMV) method for cryopreservation of porcine embryos

Fujino, Y., Kojima, T., Nakamura, Y., Kobayashi, H., Kikuchi, K. & Funahashi, H., Sep 15 2008, In : Theriogenology. 70, 5, p. 809-817 9 p.

Research output: Contribution to journalArticle

26 Citations (Scopus)
2006
20 Citations (Scopus)
2005
28 Citations (Scopus)

Select antioxidants improve the function of extended boar semen stored at 10°C

Funahashi, H. & Sano, T., Apr 1 2005, In : Theriogenology. 63, 6, p. 1605-1616 12 p.

Research output: Contribution to journalArticle

121 Citations (Scopus)
2004

In vitro fertility of boar spermatozoa preserved at 10℃ for 22 days.

Funahashi, H., 2004, In : Reproduction, Fertility and Development. 16, p. 255-255 1 p.

Research output: Contribution to journalArticle

33 Citations (Scopus)
2003

10℃保存された豚精子の体外受精能と人工授精の成績

Funahashi, H., 2003, In : 豚の繁殖衛生セミナー通信. issue 30, p. 7-12 6 p.

Research output: Contribution to journalArticle

2002
Open Access
3 Citations (Scopus)
2001

Nuclear transfer of blastomeres expressing EGFP-reporter gene may improve the efficiency of transgenic cattle

Funahashi, H., Ideta, A., Konishi, M., Urakawa, M., Uruno, K., Aoyagi, Y., Okabe, M. & Niwa, K., Jan 1 2001, In : Cloning and Stem Cells. 3, 4, p. 183-190 8 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

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

Funahashi, H. & Nagai, T., Mar 10 2001, In : Molecular Reproduction and Development. 58, 4, p. 424-431 8 p.

Research output: Contribution to journalArticle

67 Citations (Scopus)

Transmission electron microscopy studies of the zona reaction in pig oocytes fertilized in vivo and in vitro

Funahashi, H., Ekwall, H., Kikuchi, K. & Rodriguez-Martinez, H., Jan 1 2001, In : Reproduction. 122, 3, p. 443-452 10 p.

Research output: Contribution to journalArticle

Open Access
25 Citations (Scopus)
2000

Both fertilization promoting peptide and adenosine stimulate capacitation but inhibit spontaneous acrosome loss in ejaculated boar spermatozoa in vitro

Funahashi, H., Asano, A., Fujiwara, T., Nagai, T., Niwa, K. & Fraser, L. R., Jan 1 2000, In : Molecular Reproduction and Development. 55, 1, p. 117-124 8 p.

Research output: Contribution to journalArticle

42 Citations (Scopus)
Open Access
50 Citations (Scopus)
20 Citations (Scopus)