October 1983
Volume 24, Issue 10
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Articles  |   October 1983
Altered cortisol metabolism in cells cultured from trabecular meshwork specimens obtained from patients with primary open-angle glaucoma.
Investigative Ophthalmology & Visual Science October 1983, Vol.24, 1413-1417. doi:
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      A L Southren, G G Gordon, P R Munnangi, J Vittek, J Schwartz, C Monder, M W Dunn, B I Weinstein; Altered cortisol metabolism in cells cultured from trabecular meshwork specimens obtained from patients with primary open-angle glaucoma.. Invest. Ophthalmol. Vis. Sci. 1983;24(10):1413-1417.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Cells cultured from trabecular meshwork specimens obtained from patients with primary open angle glaucoma (TMPOAG cells) exhibited two major differences in cortisol-metabolizing enzymes when compared with similar cells from nonglaucomatous patients. One is a marked increase (greater than 100-fold) in delta 4-reductase activity and the other is a decrease (4-fold) in 3-oxidoreductase activity. Peripheral lymphocytes from one of these patients as well as from five additional patients with POAG, did not show these abnormalities, indicating that the defects are not found in all cortisol-metabolizing cells. The abnormal metabolism of cortisol by TMPOAG cells may be of significance in the pathogenesis of POAG.

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