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Dive into the research topics where Ryujiro Hara is active.

Publication


Featured researches published by Ryujiro Hara.


International Journal of Cancer | 1994

Increased UV-induced SCEs but normal repair of DNA damage in p53-deficient mouse cells

Kanji Ishizaki; Yosuke Ejima; Tsukasa Matsunaga; Ryujiro Hara; Ayako Sakamoto; Mituo Ikenaga; Yoji Ikawa; Shinichi Aizawa


Biological Sciences in Space | 1997

Mutations induced in Drosophila during space flight

Mituo Ikenaga; Isao Yoshikawa; Moto Kojo; Toshikazu Ayaki; Haruko Ryo; Kanji Ishizaki; Tomohisa Kato; Hanako Yamamoto; Ryujiro Hara


Journal of Radiation Research | 1996

Recovery from Ultraviolet Light-Induced Depression of Ribosomal RNA Synthesis in Normal Human, Xeroderma Pigmentosum and Cockayne Syndrome Cells

Hitoshi Ayaki; Ryujiro Hara; Mituo Ikenaga


Journal of Radiation Research | 1995

Complementation Group Analysis of Four Chinese Xeroderma Pigmentosum Patients

Zhen-Bo Han; Ryujiro Hara; Hitoshi Ayaki; Yang-Pei Zhang; Ke-Xin Qiang; Mituo Ikenaga


Journal of Radiation Research | 1995

Recovery of RNA Synthesis Coupled with In Vitro Repair of UV Damage in Plasmid DNA

Ryujiro Hara; Hitoshi Ayaki; Mituo Ikenaga


Journal of The Japan Society for Aeronautical and Space Sciences | 1994

FMPT: First Material Processing Test. Genetic Effects of HZE and Cosmic Radiation-Mutations Induced in Fruit Files.

Mituo Ikenaga; Ryujiro Hara; Isao Yoshikawa


Journal of Radiation Research | 1994

In Vitro Repair System using Human cell Extracts

Ryujiro Hara; Hitoshi Ayaki; Mituo Ikenaga


Journal of Radiation Research | 1994

Recovery from UV-induced initial depression of ribosomal RNA synthesis in normal and xeroderma piginentosum group A cells

Hitoshi Ayaki; Ryujiro Hara; Mituo Ikenaga


Journal of Radiation Research | 1993

Genetic effects of space radiation in Drosophila melanogasrer II. Somatic mutations.

Isao Yoshikawa; Moto Kojo; Toshikazu Ayaki; Haruko Ryo; Kanji Ishizaki; Tomohisa Kato; Hanako Yamamoto; Ryujiro Hara; Mituo Ikenaga


Journal of Radiation Research | 1993

Genetic effects of space radiation in Drosophila melanogaster I. Sex-linked recessive lethal mutations.

Mituo Ikenaga; Kanji Ishizaki; Tomohisa Kato; Hanako Yamamoto; Ryujiro Hara; Haruko Ryo; Moto Kojo; Toshikazu Ayaki; Isao Yoshikawa

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