Searchable abstracts of presentations at key conferences in endocrinology

ea0049gp43 | Bone & Calcium Homeostasis 2 | ECE2017

Chromosome 2q37 microdeletions in two cases of sporadic PHP-1B with broad GNAS imprinting defects

Pirelli Arianna , Elli Francesca Marta , Bordogna Paolo , de Sanctis Luisa , Terraris Daniele , Arosio Maura , Mantovani Giovanna

Pseudohypoparathyroidism type 1B (PHP-1B) is a rare, familial or sporadic, imprinting disorder due to the epigenetic dysregulation of the GNAS locus, whose main product is the α subunit of the stimulatory G protein (Gsα). Sporadic PHP-1B cases (spor-PHP-1B) display broad methylation abnormalities at multiple GNAS DMRs, but the underlying molecular mechanism is still unknown.Classically, PHP-1B patients show PTH and TSH resistance, but, in the p...