Aydin Şenay, Özdemir Cengiz, Küçükali Cem Ismail, Sökücü Sinem Nedime, Giriş Murat, Akcan Uğur, Tüzün Erdem
Department of Neurology, Yedikule Chest Diseases and Chest Surgery Training and Research Hospital, Istanbul, Turkey.
Department of Chest Diseases, Yedikule Chest Diseases and Chest Surgery Training and Research Hospital, Istanbul, Turkey.
In Vivo. 2018 Mar-Apr;32(2):319-325. doi: 10.21873/invivo.11240.
BACKGROUND/AIM: Obstructive sleep apnea syndrome (OSAS) is associated with intermittent episodes of hypoxia, endothelial dysfunction and associated cardiovascular problems. Our aim was to investigate whether OSAS-related hypoxia alters the expression of rho-associated protein kinase (ROCK), a marker of chronic hypoxia and endothelial dysfunction.
ROCK1 and ROCK2 levels were measured by immunoblotting in peripheral blood mononuclear cells (PBMC) of 47 OSAS patients and 17 healthy controls.
OSAS patients showed significantly lower PBMC ROCK1 and ROCK2 levels than healthy controls in the morning, but not in the evening. ROCK1/2 levels were correlated with blood triglyceride, visceral adiposity index, minimum oxygen saturation, C-reactive protein concentration, lymphocyte levels and sleep efficiency.
Intermittent hypoxia induced by OSAS does not permanently alter ROCK protein expression levels. OSAS appears to be associated with endothelial dysfunction through inflammation and lipid metabolism pathways.
背景/目的:阻塞性睡眠呼吸暂停综合征(OSAS)与间歇性缺氧发作、内皮功能障碍及相关心血管问题有关。我们的目的是研究OSAS相关缺氧是否会改变Rho相关蛋白激酶(ROCK)的表达,ROCK是慢性缺氧和内皮功能障碍的标志物。
通过免疫印迹法检测47例OSAS患者和17例健康对照者外周血单核细胞(PBMC)中的ROCK1和ROCK2水平。
OSAS患者早晨的PBMC中ROCK1和ROCK2水平显著低于健康对照者,但晚上则无此差异。ROCK1/2水平与血甘油三酯、内脏脂肪指数、最低血氧饱和度、C反应蛋白浓度、淋巴细胞水平和睡眠效率相关。
OSAS诱导的间歇性缺氧不会永久性改变ROCK蛋白表达水平。OSAS似乎通过炎症和脂质代谢途径与内皮功能障碍相关。