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Biochem Biophys Res Commun. 1990 Sep 28;171(3):1378-86.

Stimulation of Mn-superoxide dismutase expression by tumor necrosis factor-alpha: quantitative determination of Mn-SOD protein levels in TNF-resistant and sensitive cells by ELISA.

Author information

1
Ube Laboratory, Ube Industries, Japan.

Abstract

Marked increase in protein levels of Mn-superoxide dismutase (Mn-SOD) was found in TNF-resistant cell lines after treatment with Tumor Necrosis Factor (TNF). No such increase was observed in Cu,Zn-superoxide dismutase (Cu, Zn-SOD) protein in either TNF-resistant or sensitive cells. These results support the data that the Mn-SOD is one of the rescue proteins required for resistance to TNF cytotoxicity in these cell lines (Wong et al., Cell 58, 923-931, 1990). Mn-SOD was also responsive to TNF stimulation in KURAMOCHI, a human ovarian adenocarcinoma cell line. This may explain our previous result that Mn-SOD protein is highly expressed in epithelial ovarian cancer (Ishikawa et al. Cancer Res. 50, 2538-2542, 1990).

PMID:
2222450
DOI:
10.1016/0006-291x(90)90838-e
[Indexed for MEDLINE]

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