Hexose-6-phosphate dehydrogenase (H6PD) is the main NADPH generating enzyme in the lumen of the endoplasmic reticulum. H6PD is regarded as an ancillary enzyme in prereceptorial glucocorticoid activation and probably acts as a nutrient sensor and as a prosurvival factor. H6PD expression was determined in a variety of rat and human tissues by detecting mRNA and protein levels, and by measuring its dehydrogenase and lactonase activities. It was found that H6PD was present in all investigated tissues; both expression and activity remained within an order of magnitude. Correlation was found between the dehydrogenase activity and protein or mRNA levels. The results confirmed the supposed housekeeping feature of the enzyme. (C) 2011 Elsevier Ltd. All rights reserved.
Senesi, S., Csala, M., Marcolongo, P., Fulceri, R., Mandl, J., Banhegyi, G., et al. (2010). Hexose-6-phosphate dehydrogenase in the endoplasmic reticulum. BIOLOGICAL CHEMISTRY, 391(1), 1-8 [10.1515/BC.2009.146].
Hexose-6-phosphate dehydrogenase in the endoplasmic reticulum
SENESI, S.;MARCOLONGO, P.;FULCERI, R.;BENEDETTI, A.
2010-01-01
Abstract
Hexose-6-phosphate dehydrogenase (H6PD) is the main NADPH generating enzyme in the lumen of the endoplasmic reticulum. H6PD is regarded as an ancillary enzyme in prereceptorial glucocorticoid activation and probably acts as a nutrient sensor and as a prosurvival factor. H6PD expression was determined in a variety of rat and human tissues by detecting mRNA and protein levels, and by measuring its dehydrogenase and lactonase activities. It was found that H6PD was present in all investigated tissues; both expression and activity remained within an order of magnitude. Correlation was found between the dehydrogenase activity and protein or mRNA levels. The results confirmed the supposed housekeeping feature of the enzyme. (C) 2011 Elsevier Ltd. All rights reserved.
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https://hdl.handle.net/11365/21384
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