The PCR corroborated the transcriptomic analysis of a robust elevation in SNAI1 (1.52 ± 0.75 log2(FC), p = 0.02) and especially SNAI2 expression (2.44 ± 0.89 log2(FC), p = 0.001) in PAH cells compared to unstimulated samples. Here, SNAI1 is linked to pulmonary arterial hypertension.