Koichiro Gen

Nagasaki Field Station, 1551-8 Taira Machi
Ukumachi-taira, 8512213, Japan

Last Updated: 09/26/2026

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Found 28 publications

Molecular characterization and stage-dependent gene expression of gonadotropin receptors in Pacific bluefin tuna, Thunnus orientalis, ovarian follicles.

Molecular characterization and stage-dependent gene expression of gonadotropin receptors in Pacific bluefin tuna, Thunnus orientalis, ovarian follicles.

Journal: General and comparative endocrinology

Published: July 11, 2024

Effects of triploidization on light sensitivity in larval stage of Pacific bluefin tuna Thunnus orientalis.

Effects of triploidization on light sensitivity in larval stage of Pacific bluefin tuna Thunnus orientalis.

Journal: Journal of fish biology

Published: April 16, 2024

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.

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.

Journal: Frontiers in endocrinology

Published: May 26, 2023

Transcriptome characterization of gonadal sex differentiation in Pacific bluefin tuna, Thunnus orientalis (Temminck et Schlegel).

Transcriptome characterization of gonadal sex differentiation in Pacific bluefin tuna, Thunnus orientalis (Temminck et Schlegel).

Journal: Scientific reports

Published: May 04, 2023

Development of a chub mackerel with less-aggressive fry stage by genome editing of arginine vasotocin receptor V1a2.

Development of a chub mackerel with less-aggressive fry stage by genome editing of arginine vasotocin receptor V1a2.

Journal: Scientific reports

Published: August 02, 2022

Prediction of the Sex-Associated Genomic Region in Tunas (Thunnus Fishes).

Prediction of the Sex-Associated Genomic Region in Tunas (Thunnus Fishes).

Journal: International journal of genomics

Published: July 12, 2021

Histological Evidence of Multiple Spawning in Wild Female Japanese Eel Anguilla japonica.

Histological Evidence of Multiple Spawning in Wild Female Japanese Eel Anguilla japonica.

Journal: Zoological studies

Published: May 13, 2021

Gonadal sex differentiation and early ovarian/testicular development in cultured Pacific bluefin tuna, Thunnus orientalis (Temminck et Schlegel).

Gonadal sex differentiation and early ovarian/testicular development in cultured Pacific bluefin tuna, Thunnus orientalis (Temminck et Schlegel).

Journal: Theriogenology

Published: April 06, 2021

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.

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.

Journal: General and comparative endocrinology

Published: August 06, 2020

Vision-based egg quality prediction in Pacific bluefin tuna (Thunnus orientalis) by deep neural network.

Vision-based egg quality prediction in Pacific bluefin tuna (Thunnus orientalis) by deep neural network.

Journal: Scientific reports

Published: July 30, 2020

Author Correction: Targeted mutagenesis of the ryanodine receptor by Platinum TALENs causes slow swimming behaviour in Pacific bluefin tuna (Thunnus orientalis).

Author Correction: Targeted mutagenesis of the ryanodine receptor by Platinum TALENs causes slow swimming behaviour in Pacific bluefin tuna (Thunnus orientalis).

Journal: Scientific reports

Published: June 05, 2020

Insulin-like growth factors 1 and 2 regulate gene expression and enzymatic activity of cyp17a1 in ovarian follicles of the yellowtail, Seriola quinqueradiata.

Insulin-like growth factors 1 and 2 regulate gene expression and enzymatic activity of cyp17a1 in ovarian follicles of the yellowtail, Seriola quinqueradiata.

Journal: Heliyon

Published: May 24, 2020

Showing 1-12 of 28

Last Updated: 09/26/2026