Effect of total-body irradiation with bone marrow transplantation on toxicity of cisplatin.

J E Moulder, B L Fish, J S Holcenberg, M Cheng
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Abstract

In defined-flora, barrier-maintained rats (WAG/RijMCW males), radiation nephritis is the principal late toxicity seen after high-dose-rate, total-body irradiation (TBI) when hematologic toxicity is prevented by bone marrow transplantation. Pneumonitis develops only if rats are exposed to a conventional environment during and after bone marrow transplantation. Low-dose-rate TBI gives similar toxicity at doses twice as large. Rats surviving for 9 months after TBI show decreased tolerance for cisplatin. This decreased tolerance is related to dose and dose rate and is seen for radiation doses that show little or no renal toxicity. Evidence suggests that the decrease in renal tolerance is due to decreased renal platinum clearance in the irradiated kidneys.

骨髓移植全身照射对顺铂毒性的影响。
在确定菌群的屏障维持大鼠(WAG/RijMCW雄性)中,当骨髓移植预防血液学毒性时,高剂量率全身照射(TBI)后的主要晚期毒性是放射性肾炎。只有当大鼠在骨髓移植期间和之后暴露在常规环境中时才会发生肺炎。低剂量率的创伤性脑损伤在两倍大的剂量下也有类似的毒性。脑外伤后存活9个月的大鼠对顺铂的耐受性降低。这种耐受性的降低与剂量和剂量率有关,并见于很少或没有肾毒性的辐射剂量。有证据表明,肾耐受性的降低是由于受辐射肾脏中肾铂清除率的降低。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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