Publications by authors named "Koichiro Gen"

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Effects of triploidization on light sensitivity in larval stage of Pacific bluefin tuna Thunnus orientalis.
Takao Hayashida, Kentaro Higuchi, Kogen Okita, Toshinori Takashi, Yukinori Kazeto, Koichiro Gen

J Fish Biol· December 2024

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Molecular characterization and stage-dependent gene expression of gonadotropin receptors in Pacific bluefin tuna, Thunnus orientalis, ovarian follicles.
Kentaro Higuchi, Yukinori Kazeto, Mitsuo Nyuji, Satoshi Soma, Toshinori Takashi, Kogen Okita, Koichiro Gen

Gen Comp Endocrinol· December 2024

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Establishment of cell-lines stably expressing recombinant Japanese eel follicle-stimulating hormone and luteinizing hormone using CHO-DG44 cells: fully induced ovarian development at different modes.
Yukinori Kazeto, Risa Ito, Toshiomi Tanaka, Hiroshi Suzuki, Yuichi Ozaki, Koichiro Gen

Front Endocrinol (Lausanne)· September 2023

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Transcriptome characterization of gonadal sex differentiation in Pacific bluefin tuna, Thunnus orientalis (Temminck et Schlegel).
Takao Hayashida, Satoshi Soma, Yoji Nakamura, Kentaro Higuchi, Yukinori Kazeto, Koichiro Gen

Sci Rep· August 2023

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Development of a chub mackerel with less-aggressive fry stage by genome editing of arginine vasotocin receptor V1a2.
Hirofumi Ohga, Koki Shibata, Ryo Sakanoue, Takuma Ogawa, Hajime Kitano, Koichiro Gen

Sci Rep· February 2023

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Prediction of the Sex-Associated Genomic Region in Tunas ( Fishes).
Yoji Nakamura, Kentaro Higuchi, Kazunori Kumon, Motoshige Yasuike, Toshinori Takashi, Koichiro Gen

Int J Genomics· December 2021

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Gonadal sex differentiation and early ovarian/testicular development in cultured Pacific bluefin tuna, Thunnus orientalis (Temminck et Schlegel).
Takao Hayashida, Kentaro Higuchi, Hiroshi Hashimoto, Yukinori Kazeto, Takeshi Eba, Kogen Okita, Koichiro Gen

Theriogenology· October 2021

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Histological Evidence of Multiple Spawning in Wild Female Japanese Eel .
Akio Shimizu, Shigeho Ijiri, Hikari Izumi, Koichiro Gen, Hiroaki Kurogi

Zool Stud· October 2021

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Japanese eel retinol dehydrogenases 11/12-like are 17-ketosteroid reductases involved in sex steroid synthesis.
Hiroshi Suzuki, Yuichi Ozaki, Koichiro Gen, Yukinori Kazeto

Gen Comp Endocrinol· May 2021

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C-terminal peptide (hCTP) of human chorionic gonadotropin enhances in vivo biological activity of recombinant Japanese eel follicle-stimulating hormone and luteinizing hormone produced in FreeStyle 293-F cell lines.
Yukinori Kazeto, Hiroshi Suzuki, Yuichi Ozaki, Koichiro Gen

Gen Comp Endocrinol· May 2021

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Vision-based egg quality prediction in Pacific bluefin tuna (Thunnus orientalis) by deep neural network.
Naoto Ienaga, Kentaro Higuchi, Toshinori Takashi, Koichiro Gen, Koji Tsuda

Sci Rep· January 2021

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Author Correction: Targeted mutagenesis of the ryanodine receptor by Platinum TALENs causes slow swimming behaviour in Pacific bluefin tuna (Thunnus orientalis).
Kentaro Higuchi, Yukinori Kazeto, Yuichi Ozaki, Toshiya Yamaguchi, Yukinori Shimada, Koichiro Gen

Sci Rep· June 2020

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Insulin-like growth factors 1 and 2 regulate gene expression and enzymatic activity of in ovarian follicles of the yellowtail, .
Kentaro Higuchi, Yukinori Kazeto, Yuichi Ozaki, Daisuke Izumida, Takuro Hotta, Koichiro Gen

Heliyon· June 2020

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17β-Hydroxysteroid dehydrogenase type 12a responsible for testicular 11-ketotestosterone synthesis in the Japanese eel, Anguilla japonica.
Hiroshi Suzuki, Yuichi Ozaki, Shigeho Ijiri, Koichiro Gen, Yukinori Kazeto

J Steroid Biochem Mol Biol· April 2020

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Functional analysis of recombinant single-chain Japanese eel Fsh and Lh produced in FreeStyle 293-F cell lines: Binding specificities to their receptors and differential efficacy on testicular steroidogenesis.
Hiroshi Suzuki, Yukinori Kazeto, Koichiro Gen, Yuichi Ozaki

Gen Comp Endocrinol· January 2020

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Maternal transcripts in good and poor quality eggs from Japanese eel, Anguilla japonica-their identification by large-scale quantitative analysis.
Hikari Izumi, Koichiro Gen, P Mark Lokman, Seishi Hagihara, Moemi Horiuchi

Mol Reprod Dev· December 2019

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Targeted mutagenesis of the ryanodine receptor by Platinum TALENs causes slow swimming behaviour in Pacific bluefin tuna (Thunnus orientalis).
Kentaro Higuchi, Yukinori Kazeto, Yuichi Ozaki, Toshiya Yamaguchi, Yukinori Shimada, Koichiro Gen

Sci Rep· September 2019

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Early development of primordial germ cells in Pacific bluefin tuna Thunnus orientalis.
Kentaro Higuchi, Rie Goto, Junpei Konishi, Yoshiaki Ina, Yukinori Kazeto, Koichiro Gen

Theriogenology· June 2019

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Photoperiodic regulation of plasma gonadotropin levels in previtellogenic greater amberjack (Seriola dumerili).
Mitsuo Nyuji, Kazuhisa Hamada, Yukinori Kazeto, Miyuki Mekuchi, Koichiro Gen

Gen Comp Endocrinol· December 2018

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Development of a homologous radioimmunoassay for red seabream follicle stimulating hormone and regulation of gonadotropins by GnRH in red seabream, Pagrus major.
Koichi Okuzawa, Yukinori Kazeto, Susumu Uji, Toshiya Yamaguchi, Hideki Tanaka, Koichiro Gen

Gen Comp Endocrinol· December 2016

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Changes in gene expression and cellular localization of insulin-like growth factors 1 and 2 in the ovaries during ovary development of the yellowtail, Seriola quinqueradiata.
Kentaro Higuchi, Koichiro Gen, Daisuke Izumida, Yukinori Kazeto, Takuro Hotta

Gen Comp Endocrinol· June 2016

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Greater amberjack Fsh, Lh, and their receptors: Plasma and mRNA profiles during ovarian development.
Mitsuo Nyuji, Yukinori Kazeto, Daisuke Izumida, Kosuke Tani, Hiroshi Suzuki, Koichiro Gen

Gen Comp Endocrinol· January 2016

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A ddRAD-based genetic map and its integration with the genome assembly of Japanese eel (Anguilla japonica) provides insights into genome evolution after the teleost-specific genome duplication.
Wataru Kai, Kazuharu Nomura, Atushi Fujiwara, Yoji Nakamura, Motoshige Yasuike, Koichiro Gen

BMC Genomics· March 2014

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High water temperature impairs ovarian activity and gene expression in the brain-pituitary-gonadal axis in female red seabream during the spawning season.
Koichi Okuzawa, Koichiro Gen

Gen Comp Endocrinol· December 2013

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Molecular characterization and gene expression of Japanese eel (Anguilla japonica) gonadotropin receptors.
Yukinori Kazeto, Mayuko Kohara, Ryota Tosaka, Koichiro Gen, Masahito Yokoyama

Zoolog Sci· March 2012

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