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Toshio Tsubota

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Japan

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Ai Takano; Kyle R Taylor; Toshio Tsubota; Haruo Watanabe; Satoru Konnai; Makoto Ohnishi; Kozue Sato; Chieko Sugimori; Tomoko Tajima; Hiromi Fujita; Teruki Kadosaka; Hiroki Kawabata
A novel relapsing fever Borrelia sp. infects the salivary glands of the molted hard tick, Amblyomma geoemydae.
Qiang Weng; Meiyu Xu; Mingdao Dai; Yang Tian; Toshio Tsubota; Gen Watanabe; Jiaju Weng; Kazuyoshi Taya
Immunolocalization of steroidogenic enzymes and their expression during the breeding season in the testes of wild raccoon dogs (Nyctereutes procyonoides).
I Adachi; Satoshi Kusuda; E Nagao; Y Taira; M Asano; Toshio Tsubota; Osamu Doi
Fecal steroid metabolites and reproductive monitoring in a female Tsushima leopard cat (Prionailurus bengalensis euptilurus).

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All Publications

2012: Ai Takano; Kyle R Taylor; Toshio Tsubota; Haruo Watanabe; Satoru Konnai; Makoto Ohnishi; Kozue Sato; Chieko Sugimori; Tomoko Tajima; Hiromi Fujita; Teruki Kadosaka; Hiroki Kawabata
A novel relapsing fever Borrelia sp. infects the salivary glands of the molted hard tick, Amblyomma geoemydae.
Ticks and tick-borne diseases 2012;3(4):259-61.
2012: Qiang Weng; Meiyu Xu; Mingdao Dai; Yang Tian; Toshio Tsubota; Gen Watanabe; Jiaju Weng; Kazuyoshi Taya
Immunolocalization of steroidogenic enzymes and their expression during the breeding season in the testes of wild raccoon dogs (Nyctereutes procyonoides).
Animal science journal = Nihon chikusan Gakkaihō 2012;83(7):535-42.
2010: I Adachi; Satoshi Kusuda; E Nagao; Y Taira; M Asano; Toshio Tsubota; Osamu Doi
Fecal steroid metabolites and reproductive monitoring in a female Tsushima leopard cat (Prionailurus bengalensis euptilurus).
Theriogenology 2010;74(8):1499-503.
2009: Masahito Kubo; Tsukasa Okano; Keiko Ito; Toshio Tsubota; Hiroki Sakai; Tokuma Yanai
Muscular sarcocystosis in wild carnivores in Honshu, Japan.
Parasitology research 2009;106(1):213-9.
2009: Tsukasa Okano; Tetsuma Murase; Sachiko Nakamura; Takeshi Komatsu; Toshio Tsubota; Makoto Asano
Normal sperm morphology and changes of semen characteristics and abnormal morphological spermatozoa among peri-mating seasons in captive japanese black bears (Ursus thibetanus japonicus).
The Journal of reproduction and development 2009;55(2):194-9.
2009: Sachiko Nakamura; Naohito Nishii; Atsushi Yamanaka; Hitoshi Kitagawa; Makoto Asano; Toshio Tsubota; Masatsugu Suzuki
Leptin Receptor (Ob-R) expression in the ovary and uterus of the wild japanese black bear (Ursus thibetanus japonicus).
The Journal of reproduction and development 2009;55(2):110-5.
2008: Masahito Kubo; Shigehiko Uni; Takeshi Agatsuma; Mitsuru Nagataki; Roger J Panciera; Toshio Tsubota; Sachiko Nakamura; Hiroki Sakai; Toshiaki Masegi; Tokuma Yanai
Hepatozoon ursi n. sp. (Apicomplexa: Hepatozoidae) in Japanese black bear (Ursus thibetanus japonicus).
Parasitology international 2008;57(3):287-94.
2007: Masahito Kubo; Keiya Kobayashi; Toshiaki Masegi; Hiroki Sakai; Toshio Tsubota; Makoto Asano; Miki Itani; Tokuma Yanai
A case of chondrosarcoma in a free-flying Great Egret.
Journal of wildlife diseases 2007;43(3):542-4.
2007: Makoto Asano; Toshio Tsubota; Takeshi Komatsu; Atsushi Katayama; Tsukasa Okano; Sachiko Nakamura
Immobilization of Japanese black bears (Ursus thibetanus japonicus) with tiletamine hydrochloride and zolazepam hydrochloride.
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 2007;69(4):433-5.
2006: Tsukasa Okano; Sachiko Nakamura; Rumiko Nakashita; Takeshi Komatsu; Tetsuma Murase; Makoto Asano; Toshio Tsubota
Incidence of ovulation without coital stimuli in captive Japanese black bears (Ursus thibetanus japonicus) based on serum progesterone profiles.
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 2006;68(10):1133-7.
2006: Tsukasa Okano; Sachiko Nakamura; Takeshi Komatsu; Tetsuma Murase; Kiyoshi Miyazawa; Makoto Asano; Toshio Tsubota
Characteristics of frozen-thawed spermatozoa cryopreserved with different concentrations of glycerol in captive Japanese black bears (Ursus thibetanus japonicus).
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 2006;68(10):1101-4.
2006: Qiang Weng; Tetsuma Murase; Makoto Asano; Toshio Tsubota
Immunolocalization of steroidogenic enzymes P450scc, 3betaHSD, and P450c17 in the ovaries of wild raccoon dogs (Nyctereutes procyonoides).
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 2006;68(9):999-1002.
2006: Tsukasa Okano; Tetsuma Murase; C Yayota; Takeshi Komatsu; Kiyoshi Miyazawa; Makoto Asano; Toshio Tsubota
Characteristics of captive Japanese black bears (Ursus thibetanus japonicus) semen collected by electroejaculation with different voltages for stimulation and frozen-thawed under different conditions.
Animal reproduction science 2006;95(1-2):134-43.
2006: Qiang Weng; Mohamed S Medan; Meiyu Xu; Toshio Tsubota; Gen Watanabe; Kazuyoshi Taya
Seasonal changes in immunolocalization of inhibin/activin subunits and testicular activity in wild male raccoon dogs (Nyctereutes procyonoides).
The Journal of reproduction and development 2006;52(4):503-10.
2006: Qiang Weng; Mohamed S Medan; Tsukasa Okano; Tetsuma Murase; Toshio Tsubota; Meiyu Xu; Gen Watanabe; Kazuyoshi Taya
Changes in serum inhibin levels and immunolocalization of inhibin/activin subunits during the breeding season in the wild male Japanese black bear (Ursus thibetanus japonicus).
Endocrine 2006;29(2):345-50.
2005: Qiang Weng; Mohamed S Medan; Longquan Ren; Gen Watanabe; Toshio Tsubota; Kazuyoshi Taya
Immunolocalization of steroidogenic enzymes in the fetal, neonatal and adult testis of the Shiba goat.
Experimental animals / Japanese Association for Laboratory Animal Science 2005;54(5):451-4.
2005: Qiang Weng; Tetsuma Murase; Makoto Asano; Toshio Tsubota
Male Pseudohermaphroditism in a raccoon dog (Nyctereutes procynoides).
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 2005;67(6):603-5.
2005: Qiang Weng; Mohamed S Medan; Gen Watanabe; Toshio Tsubota; Yoshikuni Tanioka; Kazuyoshi Taya
Immunolocalization of steroidogenic enzymes P450scc, 3betaHSD, P450c17, and P450arom in Göttingen miniature pig testes.
The Journal of reproduction and development 2005;51(3):299-304.
2005: Qiang Weng; Mohamed S Medan; Longquan Ren; Gen Watanabe; Toshio Tsubota; Kazuyoshi Taya
Immunolocalization of steroidogenic enzymes in the corpus luteum and placenta of the Japanese Shiba goat.
The Journal of reproduction and development 2005;51(2):247-52.
2004: Tetsuma Murase; Noriaki Imaeda; Naho Kondoh; Toshio Tsubota
Ceramide enhances acrosomal exocytosis triggered by calcium and the calcium ionophore A23187 in boar spermatozoa.
The Journal of reproduction and development 2004;50(6):667-74.
2004: Tsukasa Okano; Tetsuma Murase; Toshio Tsubota
Electroejaculation and semen cryopreservation of free-ranging Japanese black bears (Ursus thibetanus japonicus).
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 2004;66(11):1371-6.
2004: Tsukasa Okano; Tetsuma Murase; Makoto Asano; Toshio Tsubota
Effects of final dilution rate, sperm concentration and times for cooling and glycerol equilibration on post-thaw characteristics of canine spermatozoa.
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 2004;66(11):1359-64.
2004: William R Boone; Becky B Keck; Jeffery C Catlin; Kevin J Casey; Edna T Boone; Penny S Dye; Randy J Schuett; Toshio Tsubota; Janice C Bahr
Evidence that bears are induced ovulators.
Theriogenology 2004;61(6):1163-9.
2003: Tsukasa Okano; Tetsuma Murase; Toshio Tsubota
Spermatogenesis, serum testosterone levels and immunolocalization of steroidogenic enzymes in the wild male Japanese black bear (Ursus thibetanus japonicus).
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 2003;65(10):1093-9.
2003: Weng Qiang; Tetsuma Murase; Toshio Tsubota
Seasonal changes in spermatogenesis and testicular steroidogenesis in wild male raccoon dogs (Nyctereutes procynoides).
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 2003;65(10):1087-92.
2003: Hideyuki Ito; Akiko Sudo-Yamaji; Motoko Abe; Tetsuma Murase; Toshio Tsubota
Sex identification by alternative polymerase chain reaction methods in falconiformes.
Zoological science 2003;20(3):339-44.
2002: Miho Inoue-Murayama; Naoto Matsuura; Yuichi Murayama; Toshio Tsubota; Toshiroh Iwasaki; Hitoshi Kitagawa; Shin'ichi Ito
Sequence comparison of the dopamine receptor D4 exon III repetitive region in several species of the order Carnivora.
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 2002;64(8):747-9.
2002: Kaori Yamamoto; Toshio Tsubota; Takeshi Komatsu; Atsushi Katayama; Tetsuma Murase; Isao Kita; Tadaaki Kudo
Sex identification of Japanese black bear, Ursus thibetanus japonicus, by PCR based on amelogenin gene.
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 2002;64(6):505-8.
2001: Masako Sato; Toshio Tsubota; Takeshi Komatsu; Gen Watanabe; Kazuyoshi Taya; Tetsuma Murase; Isao Kita; Tadaaki Kudo
Changes in sex steroids, gonadotropins, prolactin, and inhibin in pregnant and nonpregnant Japanese black bears (Ursus thibetanus japonicus).
Biology of reproduction 2001;65(4):1006-13.
2001: Toshio Tsubota; S Taki; K Nakayama; J I Mason; S Kominami; N Harada; Isao Kita
Immunolocalization of steroidogenic enzymes in the corpus luteum and placenta of the Japanese black bear, Ursus thibetanus japonicus, during pregnancy.
Reproduction (Cambridge, England) 2001;121(4):587-94.
2001: E Kojima; H Tsuruga; Takeshi Komatsu; Tetsuma Murase; Toshio Tsubota; Isao Kita
Characterization of semen collected from beagles and captive Japanese black bears (Ursus thibetanus japonicus).
Theriogenology 2001;55(3):717-31.
2000: Masako Sato; Toshio Tsubota; K Yamamoto; Takeshi Komatsu; Y Hashimoto; Atsushi Katayama; T Hazumi; Isao Kita; Tadaaki Kudo
Serum progesterone and estradiol-17beta concentrations in captive and free-ranging adult female japanese black bears (Ursus thibetanus japonicus).
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 2000;62(4):415-20.
1999: Toshio Tsubota; D L Garshelis; Ralph A Nelson; Janice M Bahr
Sex steroid and prolactin profiles in male American black bears (Ursus americanus) during denning.
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 1999;61(1):81-3.
1998: Toshio Tsubota; LA Howell-Skalla; William R Boone; D L Garshelis; Janice M Bahr
Serum progesterone, oestradiol, luteinizing hormone and prolactin profiles in the female black bear (Ursus americanus).
Animal reproduction science 1998;53(1-4):107-18.
1998: Takeshi Komatsu; Yoshio Yamamoto; Yasuro Atoji; Toshio Tsubota; Yasuyuki Suzuki
Immunohistochemical demonstration of cytoskeletal proteins in the testis of the Japanese black bear, Ursus thibetanus japonicus.
Anatomia, histologia, embryologia 1998;27(3):209-13.
1998: Yasuro Atoji; Yoshio Yamamoto; T Komatsu; Yasuyuki Suzuki; Toshio Tsubota
Circumanal glands of the dog: a new classification and cell degeneration.
The Anatomical record 1998;250(3):251-67.
1997: Takeshi Komatsu; Yoshio Yamamoto; Yasuro Atoji; Toshio Tsubota; Yasuyuki Suzuki
Seasonal changes in subcellular structures of Leydig and Sertoli cells in the Japanese black bear, Ursus thibetanus japonicus.
Archives of histology and cytology 1997;60(3):225-34.
1997: Takeshi Komatsu; Toshio Tsubota; Yoshio Yamamoto; Yasuro Atoji; Yasuyuki Suzuki
Seasonal changes in the immunolocalization of steroidogenic enzymes in the testes of the Japanese black bear (Ursus thibetanus japonicus).
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 1997;59(7):521-9.
1997: Toshio Tsubota; LA Howell-Skalla; H Nitta; Y Osawa; J I Mason; P G Meiers; Ralph A Nelson; Janice M Bahr
Seasonal changes in spermatogenesis and testicular steroidogenesis in the male black bear Ursus americanus.
Journal of reproduction and fertility 1997;109(1):21-7.
1996: H Araki; Toshio Tsubota; N Maeda; N Harada; S Kominami; J I Mason; I Kita
Intraovarian immunolocalization of steroidogenic enzymes in a Hokkaido brown bear, Ursus arctos yesoensis during the mating season.
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 1996;58(8):787-90.
1996: Takeshi Komatsu; Yoshio Yamamoto; Toshio Tsubota; Yasuro Atoji; Yasuyuki Suzuki
Spermatogenic cycle in the testis of the Japanese black bear (Selenarctos thibetanus japonicus).
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 1996;58(4):329-35.
1995: I Kita; M Eguchi; S Takatsuki; T Koizumi; Toshio Tsubota
Validity of retrograde corpora lutea of pregnancy as an index of past gestation in Sika deer, Cervus nippon.
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 1995;57(6):1029-33.
1994: Toshio Tsubota; H Nitta; Y Osawa; J I Mason; I Kita; T Tiba; Janice M Bahr
Immunolocalization of steroidogenic enzymes P450scc, 3 beta HSD, P450c17 and P450arom in the corpus luteum of the Hokkaido brown bear (Ursus arctos yesoensis) in relation to delayed implantation.
Journal of reproduction and fertility 1994;101(3):557-61.
1993: Toshio Tsubota; H Nitta; Y Osawa; J I Mason; I Kita; T Tiba; Janice M Bahr
Immunolocalization of steroidogenic enzymes, P450scc, 3 beta-HSD, P450c17, and P450arom in the Hokkaido brown bear (Ursus arctos yesoensis) testis.
General and comparative endocrinology 1993;92(3):439-44.
1993: T Tiba; Y Shimizu; I Kita; Toshio Tsubota
Regularities and irregularities in the structure of the seminiferous epithelium in the domestic fowl (Gallus domesticus). II. Co-ordination between germ cell associations.
Anatomia, histologia, embryologia 1993;22(3):254-63.
1993: T Tiba; K Yoshida; M Miyake; K Tsuchiya; I Kita; Toshio Tsubota
Regularities and irregularities in the structure of the seminiferous epithelium in the domestic fowl (Gallus domesticus). I. Suggestion of the presence of the seminiferous epithelial cycle.
Anatomia, histologia, embryologia 1993;22(3):241-53.
1992: Toshio Tsubota; H Kanagawa; K Yamamoto; T Mano; M Yamanaka; I Kita; T Tiba
Serum progesterone concentrations using P-EIA kit in captive and free-ranging Hokkaido brown bears, Ursus arctos yesoensis.
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 1992;54(1):1-5.
1991: Toshio Tsubota; K Yamamoto; T Mano; M Yamanaka; H Kanagawa
Immobilization of the free-ranging Hokkaido brown bear, Ursus arctos yesoensis with ketamine hydrochloride and xylazine hydrochloride.
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 1991;53(2):321-2.
1991: Toshio Tsubota; Y Takahashi; H Kanagawa; K Gohda
Embryo recovery during delayed implantation in the captive Hokkaido brown bear, Ursus arctos yesoensis.
The Journal of veterinary medical science / the Japanese Society of Veterinary Science 1991;53(1):141-2.