PMID: 2502183Jul 6, 1989Paper

In vitro detergent activation of lysosomal acid beta-glucosidase in the spleen of normal and type 1 Gaucher patients is not accompanied by change in aggregation state

Biochimica Et Biophysica Acta
A MaretL Douste-Blazy

Abstract

The genetic defect in Gaucher disease consists in a deficiency of a membrane-bound lysosomal acid beta-glucosidase. Using the radiation inactivation method, we have previously reported a subunit coupling of the mutated acid beta-glucosidase from Gaucher type 1 spleen in contrast to the normal one (Maret, A., Potier, M., Salvayre, R. and Douste-Blazy, L. (1983) FEBS Lett. 160, 93-97). We have used the same method to determine the effect of detergents on subunit coupling or uncoupling of acid beta-glucosidase in normal and Gaucher spleens. The hypothesis that detergent activation of beta-glucosidase could be due to subunit association or dissociation has been tested. The radiation inactivation size of beta-glucosidase in absence of detergent was 71,000 and 135,500 for normal and Gaucher spleen, respectively, whereas the corresponding values in presence of detergent were 84,000 and 169,000. The higher values obtained in the presence of detergent are incompatible with association or dissociation of subunits but correspond to the increase generally observed for proteins irradiated in the presence of Triton X-100.

References

Aug 1, 1978·Proceedings of the National Academy of Sciences of the United States of America·P G PentchevS H Sorrell
Aug 1, 1977·Proceedings of the National Academy of Sciences of the United States of America·F S FurbishR O Brady
Jan 1, 1979·Analytical Biochemistry·E S Kempner, W Schlegel
Aug 1, 1976·Archives of Biochemistry and Biophysics·S P PetersR H Glew
Sep 1, 1982·Proceedings of the National Academy of Sciences of the United States of America·E I GinnsJ A Barranger

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Citations

Jan 21, 2015·Biochemical and Biophysical Research Communications·James M GruschusJennifer C Lee

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