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26 results on '"Hamada, Hiroko"'

3. Genome-wide association study and genomic prediction in citrus: Potential of genomics-assisted breeding for fruit quality traits

Author

Minamikawa, Mai F., primary, Nonaka, Keisuke, additional, Kaminuma, Eli, additional, Kajiya-Kanegae, Hiromi, additional, Onogi, Akio, additional, Goto, Shingo, additional, Yoshioka, Terutaka, additional, Imai, Atsushi, additional, Hamada, Hiroko, additional, Hayashi, Takeshi, additional, Matsumoto, Satomi, additional, Katayose, Yuichi, additional, Toyoda, Atsushi, additional, Fujiyama, Asao, additional, Nakamura, Yasukazu, additional, Shimizu, Tokurou, additional, and Iwata, Hiroyoshi, additional

Published
2017
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6. Regulation of human autoimmune regulator (AIRE) gene translation by miR-220b

Author

Matsuo, Tomohito, primary, Noguchi, Yukiko, additional, Shindo, Mieko, additional, Morita, Yoshifumi, additional, Oda, Yoshie, additional, Yoshida, Eiko, additional, Hamada, Hiroko, additional, Harada, Mine, additional, Shiokawa, Yuichi, additional, Nishida, Takahiro, additional, Tominaga, Ryuji, additional, Kikushige, Yoshikane, additional, Akashi, Koichi, additional, Kudoh, Jun, additional, Shimizu, Nobuyoshi, additional, Tanaka, Yuka, additional, Umemura, Tsukuru, additional, Taniguchi, Taketoshi, additional, Yoshimura, Akihiko, additional, Kobayashi, Takashi, additional, Mitsuyama, Masao, additional, Kurisaki, Hironori, additional, Katsuta, Hitoshi, additional, and Nagafuchi, Seiho, additional

Published
2013
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15. Gastric Ulcer Hemorrhage Treated by Endoscopic Hemostasis with Histoacryl

Author

JOKI, Mari, primary, NARIMIYA, Norichika, additional, KUNIHIRO, Naoko, additional, HAMADA, Hiroko, additional, ITO, Yoshihiro, additional, MARUYAMA, Tatsushi, additional, MIYAJIMA, Hiroto, additional, SATO, Hiromitsu, additional, ODAGIRI, Masayoshi, additional, SUGIMOTO, Izumi, additional, WATANABE, Toshiaki, additional, NAKADA, Tetsuya, additional, and TANAKA, Teruji, additional

Published
1997
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17. Therapeutic Influence on Esophageal Varices and Gastric Mucosa in Cirrhotic Patients Following Balloon-occluded Retrograde Transvenous Obliteration

Author

Sugimoto, Izumi, primary, Narimiya, Norichika, additional, Hamada, Hiroko, additional, Itoh, Yoshihiro, additional, Maruyama, Tatsushi, additional, Miyajima, Hiroto, additional, Tsuruta, Yumi, additional, Satoh, Hiromitsu, additional, Johki, Mari, additional, Iwasaki, Masahiko, additional, Watanabe, Toshiaki, additional, and Tanaka, Teruji, additional

Published
1996
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20. [3H]Naloxone binding sites in porcine ovarian follicles and corpora lutea during the ovarian cycle

Author

Hamada, Hiroko, Kishioka, Shiroh, Yamoto, Mareo, and Nakano, Ryosuke

Abstract

Hamada H, Kishioka S, Yamoto M, Nakano R. [3H]Naloxone binding sites in porcine ovarian follicles and corpora lutea during the ovarian cycle. Eur J Endocrinol 1995;132:622–6. ISSN 0804–4643We demonstrated the presence of opioid receptors in the porcine ovary using [3H]naloxone. We also examined the change in the number of opioid receptors during follicular maturation. In addition, we found specific binding of [3H]naloxone in the porcine ovary using naloxone, β-endorphin, methionine-enkephalin and dynorphin. The binding of [3H]naloxone to porcine granulosa cells and the 2000-g subcellular fraction of corpora lutea was examined to demonstrate the presence of specific [3H]naloxone binding in the porcine ovary. Binding of [3H]naloxone to porcine granulosa cells was displaced by cold naloxone and β-endorphin but not by dynorphin and methionine-enkephalin. A similar phenomenon was also demonstrated in the 2000 g subcellular fraction of porcine corpora lutea. However, Scatchard analyses revealed a single class of high-affinity (Kd= 28.5 × 10−9mol/l) and low-capacity binding sites (Bmax= 30.5 fmol/5 × 106cells) in porcine granulosa cells. Similar binding parameters were obtained in the 2000-g subcellular fraction of porcine luteal tissue (Kd= 28.3 × 10−9mol/l, Bmax= 59.3 nmol/kg protein). [3H]Naloxone binding sites in the porcine ovary showed binding characteristics similar to those of opioid receptors in other organs like brain, uterus and placenta. Furthermore, we demonstrated that the specific binding sites of [3H]naloxone in porcine granulosa cells decreased during follicular maturation. Opioid receptors have been detected in the uterus, placenta and Sertoli cell cultures in some species. However, there is no detailed study on opioid receptors in granulosa cells and luteal tissues in any species. Our data suggest a relationship between folliculogenesis and ovarian opioid peptides. The opioid system may participate in the regulation of follicular maturation.Hiroko Hamada, Department of Obstetrics and Gynecology, Shichibancho 27, Wakayama 640, Japan

Published
1995
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24. Corrigendum: Allelic haplotype combinations at the MS-P1 region, including P-class pentatricopeptide repeat family genes, influence wide phenotypic variation in pollen grain number through a cytoplasmic male sterility model in citrus.

Author

Goto S, Fujii H, Hamada H, Ohta S, Endo T, Shimizu T, Nonaka K, and Shimada T

Abstract

[This corrects the article DOI: 10.3389/fpls.2023.1163358.]., (Copyright © 2024 Goto, Fujii, Hamada, Ohta, Endo, Shimizu, Nonaka and Shimada.)

Published
2024
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25. Allelic haplotype combinations at the MS-P1 region, including P-class pentatricopeptide repeat family genes, influence wide phenotypic variation in pollen grain number through a cytoplasmic male sterility model in citrus.

Author

Goto S, Fujii H, Hamada H, Ohta S, Endo T, Shimizu T, Nonaka K, and Shimada T

Abstract

In citrus breeding programs, male sterility is an important trait for developing seedless varieties. Sterility associated with the male sterile cytoplasm of Kishu mandarin (Kishu-cytoplasm) has been proposed to fit the cytoplasmic male sterility (CMS) model. However, it remains undetermined whether CMS in citrus is controlled by interactions between sterile cytoplasm and nuclear restorer-of-fertility ( Rf ) genes. Accordingly, mechanisms underlying the control of the wide phenotypic variation in pollen number for breeding germplasm should be elucidated. This study aimed to identify complete linkage DNA markers responsible for male sterility at the MS-P1 region based on fine mapping. Two P-class pentatricopeptide repeat (PPR) family genes were identified as candidates for Rf based on predicted mitochondrial localization and higher expression in a male fertile variety/selected strain than in a male sterile variety. Eleven haplotypes (HT1-HT11) at the MS-P1 region were defined based on genotyping of DNA markers. Association analysis of diplotypes at the MS-P1 region and the number of pollen grains per anther (NPG) in breeding germplasms harboring Kishu-cytoplasm revealed that the diplotypes in this region influenced NPG. Among these haplotypes, HT1 is a non-functional restorer-of-fertility ( rf ) haplotype; HT2, a less-functional Rf ; HT3-HT5 are semi-functional Rfs ; and HT6 and HT7 are functional Rfs . However, the rare haplotypes HT8-HT11 could not be characterized. Therefore, P-class PPR family genes in the MS-P1 region may constitute the nuclear Rf genes within the CMS model, and a combination of the seven haplotypes could contribute to phenotypic variation in the NPG of breeding germplasms. These findings reveal the genomic mechanisms of CMS in citrus and will contribute to seedless citrus breeding programs by selecting candidate seedless seedlings using the DNA markers at the MS-P1 region., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2023 Goto, Fujii, Hamada, Ohta, Endo, Shimizu, Nonaka and Shimada.)

Published
2023
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