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. 2011 Oct 1;309(1):104-9.
doi: 10.1016/j.canlet.2011.05.022. Epub 2011 Jun 11.

Purified autoantibodies against glucose-regulated protein 78 (GRP78) promote apoptosis and decrease invasiveness of ovarian cancer cells

Marie Cohen  1 , Patrick Petignat
Affiliations

Purified autoantibodies against glucose-regulated protein 78 (GRP78) promote apoptosis and decrease invasiveness of ovarian cancer cells

Marie Cohen et al. Cancer Lett. .

Abstract

Circulating glucose-regulated protein 78 (GRP78) autoantibodies represent potential biomarker of epithelial ovarian cancer. However there is relatively limited identification of these antibodies in response to ovarian cancer. Here, we were interested in characterization of these antibodies and into their role in tumor development. We first purified GRP78 autoantibodies from sera of patients with ovarian cancer, and then tested them on SKOV-3 ovarian cancer cell line. A decrease of invasion and an increase of H(2)O(2)-induced apoptosis of SKOV-3 cells were observed, suggesting their protective role against ovarian cancer cells.

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