RSR13, a synthetic allosteric modifier of hemoglobin, as an adjunct to radiotherapy: preliminary studies with EMT6 cells and tumors and normal tissues in mice.
RSR13, a synthetic allosteric modifier of hemoglobin, as an adjunct to radiotherapy: preliminary studies with EMT6 cells and tumors and normal tissues in mice.
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RSR13,一种合成的血红蛋白变构调节剂,作为放射治疗的辅助剂:对 EMT6 细胞以及小鼠肿瘤和正常组织的初步研究。
DOI:
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发表时间:
1998
期刊:
影响因子:
--
通讯作者:
M. Kelley
中科院分区:
文献类型:
--
作者:
S. Rockwell;M. Kelley
RSR13, 2[4-[[(3,5dimethylanilino)carbonyl]methyl]phenoxy]-2-methylpropion ic acid, a synthetic allosteric modifier of hemoglobin, reduces the affinity of hemoglobin for oxygen. The experiments reported here examined the effect of treatment with RSR13, combined with oxygen breathing, on the radiation response of EMT6 mammary tumors in BALB/c mice and of two normal tissues. RSR13 plus oxygen breathing increased the response of EMT6 tumors to irradiation. RSR13 had no discernible effects on tumors rendered maximally hypoxic by nitrogen asphyxiation, no discernible cytotoxic effects in EMT6 tumors, and no effect on the viability or radiation response of EMT6 cells in vitro under either aerobic or hypoxic conditions. The effects of RSR13 therefore reflect changes in tumor oxygenation, rather than a direct cytotoxic or radiosensitizing effect of the drug. RSR13 plus oxygen reduced the hypoxic fraction to 9% from the value of 24% found in both air-breathing and oxygen-breathing mice. Treatment with RSR13 plus oxygen did not alter the radiation response of the bone marrow progenitor cells (CFU-S) or acute radiation reactions in the skin. The improvement in tumor radiation response produced by treatment with RSR13 plus oxygen, combined with the absence of enhanced radiation reactions in the normal tissues, support further testing of RSR13 as an adjunct to radiotherapy.
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影响因子:
3.1
作者:
S. Rockwell
通讯作者:
S. Rockwell
DOI:
10.1016/0360-3016(92)90986-r
发表时间:
1992
期刊:
International journal of radiation oncology, biology, physics
影响因子:
--
作者:
Rockwell,S;Irvin,CG;Kelley,M;Hughes,CS;Yabuki,H;Porter,E;Fischer,JJ
通讯作者:
Fischer,JJ
DOI:
10.1016/0360-3016(86)90421-9
发表时间:
1986
期刊:
International journal of radiation oncology, biology, physics
影响因子:
--
作者:
Fischer,JJ;Rockwell,S;Martin,DF
通讯作者:
Martin,DF
DOI:
10.1016/0360-3016(89)90279-4
发表时间:
1989
期刊:
International journal of radiation oncology, biology, physics
影响因子:
--
作者:
Hirst,DG;Wood,PJ
通讯作者:
Wood,PJ
影响因子:
2.6
作者:
Rockwell,S;Kelley,M;Irvin,CG
通讯作者:
Irvin,CG