Increased SUMO-1 expression in response to hypoxia: Interaction with HIF-1α in hypoxic pulmonary hypertension

Abstract excerpt

Pulmonary hypertension (PH) develops in 30-70% of chronic obstructive pulmonary disease patients and increases morbidity and mortality. The present study aimed to investigate the regulation of small ubiquitin‑related modifier‑1 (SUMO‑1) expression in response to hypoxia. The experiments were carried out in vitro in rat pulmonary arterial smooth muscle cells (PASMCs) and in vivo using a rat hypoxic PH (HPH) model....

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