Cucurbitacin B protects against myocardial ischemia-reperfusion injury through activating JAK2/STAT3 signaling pathway.

Cucurbitacin B, a tetracyclic triterpenoid compound extracted from various plants, has been proven to exert a vital role in various diseases. However, the effect of cucurbitacin B on myocardial infarction (MI) and ischemia-reperfusion (I/R) injury is still relatively unclear. The main purpose of the present study was to investigate the effect of cucurbitacin B on cell apoptosis and oxidative damage after myocardial I/R injury in vitro and in vivo and elucidate the molecular mechanisms underlying its role.

[Clinical analysis of cervical internal carotid artery malformation].

To introduce the clinical features and clinical imaging grading methods of cervical internal carotid artery（ICA） malformation. The clinical data of 6 cases with cervical ICA malformation admitted to the department of Otolaryngology, Head and Neck Surgery, the First Affiliated Hospital of Chengdu Medical College from April 2018 to February 2021 were retrospectively analyzed and graded according to the clinical imaging grading method. All 6 patients were confirmed by enhanced CT or CT angiography.

Glycoprotein Ia C807T: Polymorphisms and Their Association with Platelet Function in Patients with the Acute Coronary Syndrome.

Objectives: In the current study, we explored the relationship between glycoprotein Ia (GPIa) C807T polymorphisms and platelet function, and the sensitivity to dual antiplatelet treatment after percutaneous coronary intervention.

Materials And Methods: We conducted a case-control study in 220 patients diagnosed with acute coronary syndrome (ACS) and 220 healthy controls. The platelet GPIa C807T genotypes of patients and controls were determined, and platelet aggregation and plasma concentrations of α-granule membrane protein (GMP-140) were assessed following stimulation with arachidonic acid and adenosine diphosphate.

Valsartan inhibits angiotensin II-induced proliferation of vascular smooth muscle cells via regulating the expression of mitofusin 2.

Angiotensin II (ANGII) plays an important role in the pathogenesis of atherosclerosis by inducing proliferation of vascular smooth muscle cells (VSMCs). In our study, we observed the effects of valsartan on proliferation of cultured VSMCs treated with or without ANGII by cell counting and methyl thiazolyl tetrazolium (MTT) assay, and detected the expression of mitofusin 2 (Mfn2), a newly discovered cell proliferation inhibitor and a related cell proliferation signaling pathway protein by Western blotting. ANGII at a concentration of 10(-6) mol/L significantly stimulated VSMCs proliferation, down-regulated the expression of Mfn2 and up-regulated the expression of Raf and ERK1/2.