T
Tsuyoshi Takagi
Researcher at Nagoya University
Publications - 8
Citations - 809
Tsuyoshi Takagi is an academic researcher from Nagoya University. The author has contributed to research in topics: DIO2 & Iodothyronine deiodinase. The author has an hindex of 7, co-authored 8 publications receiving 737 citations.
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Journal ArticleDOI
Thyrotrophin in the pars tuberalis triggers photoperiodic response
Nobuhiro Nakao,Hiroko Ono,Takashi Yamamura,Tsubasa Anraku,Tsuyoshi Takagi,Kumiko Higashi,Shinobu Yasuo,Yasuhiro Katou,Saburo Kageyama,Yumiko Uno,Takeya Kasukawa,Masayuki Iigo,Peter J. Sharp,Atsushi Iwasawa,Yutaka Suzuki,Sumio Sugano,Teruyuki Niimi,Makoto Mizutani,Takao Namikawa,Shizufumi Ebihara,Hiroki R. Ueda,Takashi Yoshimura +21 more
TL;DR: Two waves of gene expression are identified in the quail MBH associated with the initiation of photoinduced secretion of luteinizing hormone and increased TSH in the pars tuberalis seems to trigger long-day photoinduced seasonal breeding.
Journal ArticleDOI
The reciprocal switching of two thyroid hormone-activating and -inactivating enzyme genes is involved in the photoperiodic gonadal response of Japanese quail.
Shinobu Yasuo,Miwa Watanabe,Nobuhiro Nakao,Tsuyoshi Takagi,Brian K. Follett,Shizufumi Ebihara,Takashi Yoshimura +6 more
TL;DR: These reciprocal changes in the two gene switches are the earliest events yet recorded in the photoinduction process, and overall, these reciprocal changes offer the potential to regulate active brain thyroid hormone concentrations rather precisely at the site in the brain wherephotoinduction is triggered.
Journal ArticleDOI
Possible involvement of organic anion transporting polypeptide 1c1 in the photoperiodic response of gonads in birds
Nobuhiro Nakao,Tsuyoshi Takagi,Masayuki Iigo,Toshiro Tsukamoto,Shinobu Yasuo,Tomohiro Masuda,Tadashi Yanagisawa,Shizufumi Ebihara,Takashi Yoshimura +8 more
TL;DR: Results suggest that cOatp1c1 could be involved in the thyroxine transport necessary for the avian photoperiodic response of the gonads.
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Differential response of type 2 deiodinase gene expression to photoperiod between photoperiodic Fischer 344 and nonphotoperiodic Wistar rats
Shinobu Yasuo,Miwa Watanabe,Masayuki Iigo,Takahiro Nakamura,Tsuyoshi Watanabe,Tsuyoshi Takagi,Hiroko Ono,Shizufumi Ebihara,Takashi Yoshimura,Takashi Yoshimura +9 more
TL;DR: Results suggest that differential responses of the Dio2 gene to photoperiod may determine the strain-dependent differences inPhotoperiod sensitivity in laboratory rats.
Journal ArticleDOI
Photoinducible Phase-Specific Light Induction of Cry1 Gene in the Pars Tuberalis of Japanese Quail
Shinobu Yasuo,Miwa Watanabe,Akira Tsukada,Tsuyoshi Takagi,Masayuki Iigo,Kiyoshi Shimada,Shizufumi Ebihara,Takashi Yoshimura +7 more
TL;DR: Different phase relationships between Per2 and Cry1 in the Japanese quail PT under different photoperiods may decodePhotoperiodic information and regulate photoperperiodic PRL secretion in a manner similar to that of mammals.