OVEREXPRESSION OF p53, MDM2 PROTEINS IN SOME ATR RADIATION-IMDUCED SKIN ULCERS*
Journal of Radiation Research and Radiation Processing2000年18卷第3期 页码:187-192
作者机构:
1.军事医学科学院放射医学研究所 北京 100850
2.武警北京二总队医院 北京 100039
3.北京北太平路医院外科 北京 100850
4.军事医学科学院微生物流行病研究所 北京 100850
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谷庆阳, 高亚兵, 李永兰, 等. 大鼠放射性皮肤溃疡组织中p53, MDM2蛋白高表达病理研究[J]. Journal of Radiation Research and Radiation Processing, 2000,18(3):187-192.
GU Qingyang, GAO Yabing, LI Yonglan, et al. OVEREXPRESSION OF p53, MDM2 PROTEINS IN SOME ATR RADIATION-IMDUCED SKIN ULCERS*[J]. 辐射研究与辐射工艺学报, 2000,18(3):187-192.
谷庆阳, 高亚兵, 李永兰, 等. 大鼠放射性皮肤溃疡组织中p53, MDM2蛋白高表达病理研究[J]. Journal of Radiation Research and Radiation Processing, 2000,18(3):187-192.DOI:
GU Qingyang, GAO Yabing, LI Yonglan, et al. OVEREXPRESSION OF p53, MDM2 PROTEINS IN SOME ATR RADIATION-IMDUCED SKIN ULCERS*[J]. 辐射研究与辐射工艺学报, 2000,18(3):187-192.DOI:
ABSTRACT An animal model of radiation-induced skin ulcer was set up with 140 rats, which were locally irradiated with 35~55Gy γ-rays. The pathological changes were observed for 1 year. Immunohistochemical studies were performed in 72 rat radiation skin ulcer specimens using anti-p53 and anti-MDM2 protein polyclonal antibodies. The results showed that the positive rate for overexpression of p53 protein was 9.7%, and for that of MDM2 was 19.4%. The overexpression of p53 was mainly seen in the nuclei of activated squamous epithelial cells, and in fibroblasts, endotheliocytes in deeper part of the skin ulcers. The overexpression of MDM2 had the same localizations. It's suggested that the changes of p53 and MDM2, genes and proteins, may be related to the cancer transformation and poor healing of radiation-induced skin ulcers.