渡辺　元

Academic Degrees

学位

1981年　修士（農学）東京大学
1982年　博士（農学）東京大学

Research Interests

キーワード

生殖、内分泌、ホルモン、内分泌攪乱物質、野生動物、環境評価

Publications

論文

• Ahmed S. Mandour, Haney Samir, Marwa A. El-Beltagy, Lina Hamabe, Hend A. Abdelmageed, Izumi Watanabe, Ahmed Elfadadny, Kazumi Shimada, Gamal El-Masry, Salim Al-Rejaie, Ryou Tanaka, Gen Watanabe. Monthly Dynamics of Plasma Elements, Hematology, Oxidative Stress Markers, and Hormonal Concentrations in Growing Male Shiba Goats (Capra hircus) Reared in Tokyo-Japan. Animals 2022, 12, 645

• Shohei Kobayashi, Mohammad Ibrahim Qasimi, Gen Watanabe, The positive relationship between androgens and hematocrit levels in the Japanese quail (Coturnix japonica). Journal of Experimental Zoology Part A: Ecological and Integrative Physiology, 2021, 337, 195-198.

• Mandour AS, Mahmoud AE, Ali AO, Matsuura K, Samir H, Abdelmageed HA, Ma DF, Yoshida T, Hamabe L, Uemura A, Watanabe G, Tanaka R. Expression of cardiac copper chaperone encoding genes and their correlation with cardiac function parameters in goats. Veterinary Research Communications. (Vet Res Commun.) https://doi.org/10.1007/s11259-021-09811-5. 2021.
• Sovijit WN, Sovijit WE, Pu S, Usuda K, Inoue R, Watanabe G, Yamaguchi H, Nagaoka K. Ovarian progesterone suppresses depression and anxiety-like behaviors by increasing the Lactobacillus population of gut microbiota in ovariectomized mice. Neuroscience Research (Neurosci Res). pii: S0168-0102(19),76-82. 2021
• Zhang H, Kataoka S, Liu H, Kinukawa M, Uchiyama K, Kambe J, Watanabe G, Jin W, Nagaoka K. L-amino acid oxidase1 in sperm is associated with reproductive performance in male mice and bulls. Biology of Reproduction (Biol Reprod) , 104, 5, 1154-1161, May 2021
• Haney Samir, Faten Radwan, and Gen Watanabe, Advances in applications of color Doppler ultrasonography in the andrological assessment of domestic animals: A review. Theriogenology 161, 2021, 252-261, 2021
• Sovijit, Watcharee; Sovijit, Watcharin; Ishii, Yuriko; Kambe, Jun; Fujita, Tomoyuki; Watanabe, Gen; Yamaguchi, Hirohito; Nagaoka, Kentaro,  Estrogen promotes increased breast cancer cell proliferation and migration through downregulation of CPEB1 expression.  Biochemical and Biophysical Research Communications 534, 1, 2021, 871-876
• Ahmed S. Mandour, Haney Samir, Tomohiko Yoshida, Katsuhiro Matsuura, Hend A. Abdelmageed 5,6, Mohamed Elbadawy , Salim Al-Rejaie, Hussein M. El-Husseiny, Ahmed Elfadadny, Danfu Ma , Ken Takahashi, Gen Watanabe 4 and Ryou Tanaka, Assessment of the Cardiac Functions Using Full Conventional Echocardiography with Tissue Doppler Imaging before and after Xylazine Sedation in Male Shiba Goats.  Animals 2020, 10, 12, 2320; doi:10.3390/ani10122320
• Haney Samir, Paul Nyametease, Mohamed Elbadawy, Mohamed Fathi, Ahmed S. Mandour, Faten Radwan, Kentaro Nagaoka, Kazuaki Sasaki, Gen Watanabe, Assessment of correlations and concentrations of salivary and plasma steroids, testicular morphometry, and semen quality in different climatic conditions in goats. Theriogenology 157, 238-244, November 2020
• Ahmed S. Mandour, Asmaa O. Ali, Ahmed E. Mahmoud, Watanabe Izumi, Kazuaki Sasaki, Katsuhiro Matsuura, Kazumi Shimada, Ryou Tanaka, Gen Watanabe, The utility of electrocardiography and echocardiography in copper deficiency-induced cardiac damage in goats, Environmental Science and Pollution Research. , DOI: 10.1007/s11356-020-11014-5
• Kambe, Jun; Sasaki, Yu; Inoue, Ryo; Tomonaga, Shozo; Kinjo, Teruo; Watanabe, Gen; Jin, Wanzhu; Nagaoka, Kentaro, Analysis of infant microbiota composition and the relationship with breast milk components in the Asian elephant (Elephas maximus) at the zoo, Journal of Veterinary Medical Science 87,7, 983-989, 2020
• Ahmed S.Mandour, Haney Samir, Marwa A. El-Beltagy, Mohamed M. Abdel-Daim, Watanabe Izumi & Danfu Ma, Katsuhiro Matsuura, Ryou Tanaka, Gen Watanabe, Effect of supra-nutritional selenium-enriched probiotics on hematobiochemical, hormonal, and Doppler hemodynamic changes in male goats, Environmental Science and Pollution Research (2020) 27:19447–19460 https://doi.org/10.1007/s11356-020-08294-2
• Shaoxia Pu, Kento Usuda, Kentaro Nagaoka, Andrea Gore, David Crews and Gen Watanabe, The relation between liver damage and reproduction in female Japanese quail (Coturnix Japonica) exposed to high ambient challenge. Poultry Science 99, Issue 9, September 2020, 4586-4597
• Haney Samir, Mohamed A.I. El Sayed, Kentaro Nagaoka, Kazuaki Sasaki, Amal M. Abo El-Maaty, Aly Karen, Mostafa M. Abou-Ahmed, Gen Watanabe, Passive immunization against inhibin increases testicular blood flow in male goats, Theriogenology 147, 15 April 2020, 85-91
• Haney Samir, Paul Nyametease, Mohamed Elbadawy, Kentaro Nagaoka, Kazuaki Sasaki, Gen Watanabe,　Administration of melatonin improves testicular blood flow, circulating hormones, and semen quality in Shiba goats. Theriogenology 2020, 146. 111-119, DOI: 10.1016/j.theriogenology.2020.01.053
• Haney SAMIR, Mohamed M.M. KANDIEL, Amal M. Abo EL-MAATY, Manila SEDIQYAR, Kazuaki SASAKI and Gen WATANABE, Ovarian follicular changes and hemodynamics in Egyptian buffaloes under CIDR-PGF2 alpha and Ovsynch-CIDR estrus synchronization treatments. Journal of Reproduction and Development, Vol. 65, No 5, 2019 451-457