In primary pulmonary hypeension basic abnormality in genes lies in
Correct Answer: Bone morphogenetic protein receptor II
Description: Ref Harrison 19 th ed pg 1655 Abnormalities in multiple molecular pathways and genes that regu- late the pulmonary vascular endothelial and smooth muscle cells have been identified ). These abnormalities include decreased expression of the voltage-regulated potassium channel, mutations in the bone morphogenetic protein receptor-2, increased tissue factor expres- sion, overactivation of the serotonin transpoer, hypoxia-induced activation of hypoxia-inducible factor-1a, and activation of nuclear factor of activated T cells.
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