Yoshitaka Nagahama
Overview
Explore the profile of Yoshitaka Nagahama including associated specialties, affiliations and a list of published articles.
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144
Citations
2588
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Recent Articles
11.
Hashimoto N, Kishimoto T, Nagahama Y
Dev Growth Differ
. 2023 Jun;
27(6):709-716.
PMID: 37281504
A continuous exposure of follicle-enclosed mouse oocytes to ovine luteinizing hormone (LH, 10 μg/ml) in vitro resulted in a 3-fold elevation of CAMP levels in the follicle cells, but not...
12.
Shirai H, Hosoya N, Sawada T, Nagahama Y, Mohri H
Dev Growth Differ
. 2023 Jun;
32(5):521-529.
PMID: 37281502
To follow the topo-temporal behavior of structures containing tubulin and the change in tubulin content during oocyte maturation, starfish oocytes were extracted with a medium containing detergent so that morphological...
13.
Fukada S, Sakai N, Adachi S, Nagahama Y
Dev Growth Differ
. 2023 Jun;
36(1):81-88.
PMID: 37281345
The metabolism of C-labeled steroid precursors by cell-free homogenates of medaka (Oryzias latipes, a daily spawner) ovarian follicles at 12 different developmental stages was examined using thin layer chromatography (TLC)....
14.
Mita M, Ueta N, Nagahama Y
Dev Growth Differ
. 2023 Jun;
29(6):607-616.
PMID: 37281317
The effect of various disulfide-reducing agents including cysteine and its alkylesters on the induction of germinal vesicle breakdown (GVBD) in starfish (Asterina pectinifera) oocytes was investigated in vitro. Although cysteine...
15.
Shibata N, Yoshikuni M, Nagahama Y
Dev Growth Differ
. 2023 Jun;
35(1):115-121.
PMID: 37281277
An in vitro culture procedure to measure vitellogenin (VTG) incorporation into oocytes without follicle cell layers was developed using oocytes of the rainbow trout, Oncorhynchus mykiss. Oocytes incorporated VTG specifically...
16.
Kawai N, Sano K, Nagahama Y, Kanatani H, Hirano H
Dev Growth Differ
. 2023 Jun;
23(2):111-123.
PMID: 37281022
Concanavalin A (Con A) stimulates the production in starfish follicle cells of 1-methyladenine, a hormone which induces oocyte maturation. We have therefore investigated Con A-induced morphological changes and Con A-binding...
17.
Miura C, Miura T, Yamashita M, Yamauchi K, Nagahama Y
Dev Growth Differ
. 2023 Jun;
38(3):257-262.
PMID: 37280997
In cultivated male eel, spermatogonia are the only germ cells present in testis. Our previous studies using an organ culture system have shown that gonadotropin and 11-ketotestosterone (11-KT, a potent...
18.
Nagahama Y, Young G, Adachi S
Dev Growth Differ
. 2023 Jun;
27(3):213-221.
PMID: 37280872
The effect of actinomycin D and cycloheximide on gonadotropin (partially purified chum salmon gonadotropin, SGA)-induced 17α, 20β-dihydroxy-4-pregnen-3-one (17α, 20β-diOHprog, a maturation-inducing steroid in amago salmon) production was examined in intact...
19.
Yamaguchi A, Yamashita M, Yoshikuni M, Hotta Y, Nurse P, Nagahama Y
Dev Growth Differ
. 2023 Jun;
33(6):625-632.
PMID: 37280853
We have taken advantage of the synchrony of meiotic prophase I in Lilium microsporocytes to investigate the presence and involvement in four stages of meiotic prophase I (leptotene, zygotene, pachytene,...
20.
Komen J, Yamashita M, Nagahama Y
Dev Growth Differ
. 2023 Jun;
34(5):535-544.
PMID: 37280839
The phenotypic effects of a new recessive mutation mas , which in homozygous condition induces testicular development in XX animals of common carp (Cyprinus carpio L.), are described. Sexual differentiation...