The effects of irradiation on major histocompatibility complex expression and lymphocytic infiltration in the normal rat brain and the 9L gliosarcoma brain tumor model.

The effects of irradiation on major histocompatibility complex expression and lymphocytic infiltration in the normal rat brain and the 9L gliosarcoma brain tumor model.
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DOI:
10.1016/0165-5728(90)90074-w
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发表时间:
1990-05
影响因子:
3.3
通讯作者:
Lampson LA
Lampson LA
中科院分区:
医学4区
文献类型:
--
作者:
Wen P;Loeffler JS;Morris JH;Lampson LA

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本文观察了放射线对正常大鼠脑和9L胶质肉瘤脑肿瘤模型中主要组织相容性复合物(MHC)表达和淋巴细胞浸润的影响。给予的辐射剂量在生物学上与治疗恶性神经胶质瘤患者所用的剂量相当。正常大鼠脑照射后免疫参数无明显变化。在9L胶质肉瘤模型中,照射不抑制MHC表达或淋巴细胞浸润。这些研究结果表明,事先暴露于治疗辐射不需要对随后的免疫治疗产生不利影响,并提供了一个基础,为未来的研究免疫调节照射的大脑。
The effects of irradiation on major histocompatibility complex (MHC) expression and lymphocytic infiltration in the normal rat brain and the 9L gliosarcoma brain tumor model were examined. Doses of irradiation administered were biologically equivalent to that used in the treatment of patients with malignant gliomas. No significant change in immune parameters was observed following irradiation in the normal rat brain. In the 9L gliosarcoma model irradiation did not suppress MHC expression or lymphocytic infiltration. These findings suggest that prior exposure to therapeutic irradiation need not adversely affect subsequent immunotherapies, and provide a foundation for future studies of immunomodulation in the irradiated brain.
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