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The myo-1,2-Diaminocyclitol Scaffold Defines Potent Glucocerebrosidase Activators and Promising Pharmacological Chaperones for Gaucher Disease.


ABSTRACT: A series of cyclitol derivatives with myo-configuration are β-glucocerebrosidase (GCase) inhibitors and show excellent characteristics for the development of pharmacological chaperones for enzyme deficiency in Gaucher disease (GD). The most potent inhibitor, (1S,2R,3R,4S,5R,6S)-5,6-bis(nonylamino)cyclohexane-1,2,3,4-tetraol, displayed a K i value of 26 nM in isolated enzyme and also inhibited GCase in wild-type (wt) human fibroblasts at nanomolar concentrations. This diaminocyclitol produced maximum increases of GCase activities of 60% in N370S lymphoblasts at 100 nM and 30% in L444P at 1 nM following a 3-day incubation, showing the permeability, subcellular distribution, and cell metabolism characteristics for use as pharmacological chaperone.

SUBMITTER: Trapero A 

PROVIDER: S-EPMC4017985 | biostudies-literature |

REPOSITORIES: biostudies-literature

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