Electron Microscopical and Histochemical Studies of the Spontaneous Tumors of Xenopus laevis : Cell Biology
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概要
- 論文の詳細を見る
Spontaneous tumors were found in eight Xenopus laevis (African clawed toads), and their various properties were studied. In five of the eight cases, the primary tumor appeared on the back and infiltrated the muscles of the abdomen and thighs. Destruction of muscle fibers by the tumor cells was observed. Virus particles were found in the middle and outer layers of the original tumor mass. They had apparently first appeared in the nucleus and then aggregated near the nuclear membrane, finally spilling out into the cytoplasm. Based on their movement from nucleus to cytoplasm and morphological form and size, the virus particles were presumed to be of the herpes type. DOPA tests revealed premelanophore cells, with tyrosinase activity but no melanin granules , in the tumors. The tumors appeared to consist of melanophoma cells and granules in different stages of differentiation. It was possible to transplant the tumors to normal toads , four out of fifteen becoming progressive.
- 社団法人日本動物学会の論文
- 1989-10-15
著者
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Komazaki Shinji
Department of Anatomy, Saitama Medical School
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Komazaki Shinji
Department Of Anatomy Saitama Medical School
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Komazaki Shinji
The 2nd Department Of Anatomy Saitama Medical School
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Asashima Makoto
University Of Tokyo
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ASASHIMA Makoto
Department of Biological Sciences, Graduate School of Science, The University of Tokyo
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Asashima M
Univ. Tokyo Tokyo Jpn
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Asashima Makoto
Department Of Life Sciences (biology) Graduate School Of Arts And Sciences The University Of Tokyo:i
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Oinuma Tsutomu
Dept. Of Anatomy Miyazaki Medical College
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Oinuma Tsutomu
Dept. Anat. Ultrastructural Cell Biol. Sch. Med. Univ. Miyazaki
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Oinuma Tsutomu
Department Of Anatomy Miyazaki Medical School
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Oinuma Tsutomu
Department Of Anatomy Miyazaki Medical College
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Komazaki S
Department Of Anatomy Saitama Medical School
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Oinuma T
Department Of Anatomy Ultrastructural Cell Biology Faculty Of Medicine University Of Miyazaki
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Asashima Makoto
Department Of Biological Science Graduate School Of Science University Of Tokyo
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