ALB and pulmonary arterial hypertension: It is notable that the syntenic regions on human 12q23.2 – q23.3 and 19p13.3, and 21q22.3 include the genetic markers associated with urinary albumin excretion (PAH, rs2374688, D19S591) and glomerular filtration rate (rs2839235) (Fig. 4) [21, 22].