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자료유형
학술저널
저자정보
Lee, Jae-Hyun (Laboratory of Experimental Pathology, Korea Cancer Center Hospital) Cho, Kyung-Ja (Laboratory of Experimental Pathology, Korea Cancer Center Hospital) Hong, Seok-Il (Laboratory of Experimental Pathology, Korea Cancer Center Hospital) Park, Min-Kyung (Department of Food and Human Nutrition, Chungnam Sanup University)
저널정보
한국수의병리학회 한국수의병리학회지 한국수의병리학회지 제2권 제1호
발행연도
1998.1
수록면
37 - 46 (10page)

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It has been known that $\gamma$-irradiation usually induces cell death in regenerating stem cell in normal tissues like skin, intestine and hematopoietic organ. The experiment were carried out to evaluate the early response of radiation injury in radiosensitive and intermediate radiosensitive tissues in feeding and starving rats with the doses of 3.5 and 7.0 Gy. The results of the study showed that the histological phenomenon was apoptosis in the doses of the radiation as the early response of tissue injury. Apoptosis were showed organ-specific and cellular specific responses suggesting that the selection of apoptosis be exactly focused on highly renewal organs and cells. It was interesting that the rats starved for 72 hours prior to irradiation induced less apoptosis in liver than fed rats. As for cellular responses it appeared that apoptotic cells were mostly distributed in ductal or periportal cells in liver of feeding rats unlikely in liver of Starving rots which showed no difference in zonal distribution. In salivary gland apoptotic cells in fed rats were highly induced in intercalating and ductal cell population than in acinar cell population although unlikely in starved rats. This study showed the value of apoptosis using the detection system of TUNEL for evaluating cellular damage after radiation injury and the diminished effect of starvation on cell damage after ionizing irradiation.

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