GRP78, HSP72/73, and cJun stress protein levels in lung epithelial cells exposed to asbestos, cadmium, or H2O2.
GRP78, HSP72/73, and cJun stress protein levels in lung epithelial cells exposed to asbestos, cadmium, or H2O2.
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暴露于石棉、镉或 H2O2 的肺上皮细胞中的 GRP78、HSP72/73 和 cJun 应激蛋白水平。
DOI:
10.1016/s0891-5849(97)00325-0
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发表时间:
1998
影响因子:
7.4
通讯作者:
Mossman,BT
中科院分区:
文献类型:
--
作者:
Timblin,CR;Janssen,YM;Goldberg,JL;Mossman,BT
Occupational exposure to crocidolite asbestos is associated with the development of nonmalignant and malignant pulmonary disease. Considerable evidence indicates that the mechanisms of asbestos-induced toxicity involve the production of active oxygen species (AOS). Production of AOS in excess of cellular defenses creates an environment of oxidative stress and stimulates the expression of a number of different genes whose products may be involved in mediating responses from oxidant injury. To further investigate the mechanisms of asbestos-induced pathogenicity, we have examined by Western blot analyses the induction of the stress response proteins GRP78 and HSP72/73 in rat lung epithelial cells (RLE) exposed to crocidolite asbestos. In comparative studies, we also examined GRP78, HSP72/73, and cJun expression in RLE cells exposed to equitoxic concentrations of cadmium chloride (CdCl2) and hydrogen peroxide (H2O2). Our results demonstrate that asbestos and H2O2do not alter GRP78 or HSP72/73 protein levels in RLE cells, but do increase levels of cJun protein. Increases by asbestos and H2O2were not accompanied by alterations in cellular glutathione levels in this cell type, but asbestos caused elevations in protein levels of manganese-containing superoxide dismutase (MnSOD), an indirect indicator of oxidant stress. In contrast, exposure of cells to CdCl2led to no changes in MnSOD protein levels, but increases in GRP78, HSP72/73, and cJun proteins as well as significant increases in oxidized and reduced thiol pools. Results suggest that environmental agents causing oxidative injury to lung epithelium elicit different patterns of stress responses.
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DOI:
--
发表时间:
1986
期刊:
Laboratory investigation; a journal of technical methods and pathology
影响因子:
--
作者:
B. Mossman;J. Marsh;M. Shatos
通讯作者:
M. Shatos
影响因子:
4.7
作者:
J. Uney;B. Anderton;Sian M. Thomas
通讯作者:
Sian M. Thomas
DOI:
10.1073/pnas.90.8.3299
发表时间:
1993-04-15
影响因子:
11.1
作者:
HEINTZ, NH;JANSSEN, YM;MOSSMAN, BT
通讯作者:
MOSSMAN, BT
DOI:
10.1165/ajrcmb.11.5.7946382
发表时间:
1994-11
影响因子:
6.4
作者:
Yvonne W. M. Janssen;N. Heintz;Joanne R Marsh;P. Borm;B. Mossman
通讯作者:
Yvonne W. M. Janssen;N. Heintz;Joanne R Marsh;P. Borm;B. Mossman
DOI:
--
发表时间:
1994
期刊:
Biochimica et Biophysica Acta
影响因子:
--
作者:
T. Abe;T. Konishi;T. Katoh;H. Hirano;K. Matsukuma;M. Kashimura;K. Higashi
通讯作者:
K. Higashi