In OSA monocytes, HIF1α mRNA expression was significantly related to both PSPC1 (r = 0.5161, p = 0.0003) (Figure 2a) and TGFβ mRNA expression (r = 0.3531, p = 0.0173) (Figure S3b). Here, TGFB1 is linked to obstructive sleep apnea syndrome.