ArticleRespiratory research2025
STAT6 deficiency mitigates the severity of pulmonary arterial hypertension caused by chronic intermittent hypoxia by suppressing Th2-inducing cytokines.
Article in Respiratory research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Activation of G protein-coupled receptor 40 alleviates STAT6 activation, airway inflammation and mucus hypersecretion in allergic asthma.Current research in pharmacology and drug discovery · 2026Article
- Recent advances in the study of the correlation between obstructive sleep apnea and thyroid-disorders.Sleep & breathing = Schlaf & Atmung · 2025Review
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7 authors.
Funding
Abstract
backgroundObstructive sleep apnea (OSA) is frequently associated with increased incidence and mortality of pulmonary hypertension (PH). The immune response contributes to pulmonary artery remodeling and OSA-related diseases. The immunologic factors linked to OSA-induced PH are not well understood. STAT6 is crucial in the signaling pathway that modulates immune response. However, the status of phosphorylated STAT6 (p-STAT6) in an OSA-induced PH mouse model remains largely unexplored.
methodsChronic intermittent hypoxia (CIH) plays a crucial role in the progression of OSA. This study utilized a in vivo CIH model to examine the role of STAT6 in CIH-induced PH.
resultsCIH mice exhibited pulmonary artery remodeling and pulmonary hypertension, indicated by increased right ventricular systolic pressure (RVSP), higher right ventricular to left ventricular plus septum (RV/LV + S) ratios, and significant morphological alterations compared to normoxic (Nor) mice. Increased p-STAT6 in the lungs and elevated p-STAT6 + IL-4 + producing T cells in CIH mice. STAT6 deficiency (STAT6-/-) improved PH and PA remodeling in CIH-induced PH mouse models.STAT6 deficiency impaired the T helper 2 (Th2) immune response, affecting IL-4 and IL-13 secretion. IL-4, rather than IL-13, activated STAT6 in human pulmonary artery smooth muscle cells (hPASMCs). STAT6 knockdown decreased the proliferation in IL-4 treated hPASMCs.
conclusionThese findings exhibit the critical role of STAT6 in the pathogenesis of CIH induced PH by regulating Th2 immune response.STAT6 could be a significant therapeutic target for OSA-related PH.
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