Article: Research from Indiana University, Medical Department reveals new findings on life sciences.

According to a study from the United States, "Noonan syndrome (NS) is an autosomal dominant congenital disorder characterized by multiple birth defects including heart defects and myeloproliferative disease (MPD). Approximately 50% of NS patients have germline gain-of-function mutations in PTPN11, which encodes the protein-tyrosine phosphatase, Shp2."

"We provide evidence that conditional ablation of Stat3 in hematopoietic cells and cardiac valvular tissues leads to myeloid progenitor hyperplasia and pulmonary stenosis due to the leaflet thickening, respectively. Consistently, STAT3 activation is significantly compromised in peripheral blood cells from NS ...

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