NewslettersMuscle Cell News Hemifacial Myohyperplasia Is Due to Somatic Muscular PIK3CA Gain-of-Function Mutations and Responds to Pharmacological Inhibition By Noshin Noorjahan - September 18, 2023 0 269 To understand the physiopathology of muscle hypertrophy in this context, scientists created a mouse model carrying specifically a PIK3CA mutation in skeletal muscles. [Journal Of Experimental Medicine] Abstract