Conformation of the N-Terminal Ectodomain Elicits Different Effects on DUOX Function: A Potential Impact on Congenital Hypothyroidism Caused by a H2O2 Production Defect.

Abstract excerpt

BACKGROUND: Dual oxidases (DUOX1 and DUOX2) were initially identified as H2O2 sources involved in thyroid hormone synthesis. Congenital hypothyroidism (CH) resulting from inactivating mutations in the DUOX2 gene highlighted that DUOX2 is the major H2O2 provider to thyroperoxidase. The role of DUOX1 in the thyroid remains unknown. A recent study suggests that it could compensate for DUOX2 deficiency in CH. Both...

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