It has been well confirmed ox-LDL plays key roles in the development of atherosclerosis via binding to LOX-1 and inducing apoptosis in vascular endothelial cells. Recent studies have shown ox-LDL can suppress microRNA has-let-7g, which in turn inhibits the ox-LDL induced apoptosis. However, details need to be uncovered. To determine the anti-atherosclerosis effect of microRNA has-let-7g, and to evaluate the possibility of CASP3 as an anti-atherosclerotic drug target by has-let-7g, the present study determined the role of hsa-let-7g miRNA in ox-LDL induced apoptosis in the vascular endothelial cells. We found that miRNA has-let-7g was suppressed during the ox-LDL-induced apoptosis in EAhy926 endothelial cells. In addition, overexpression of has-let-7g negatively regulated apoptosis in the endothelial cells by targeting caspase-3 expression. Therefore, miRNA let-7g may play important role in endothelial apoptosis and atherosclerosis.

Rationale:Spontaneous rupture of the branches of left subclavian artery (LSA) without any obvious risk factors is rare.Patient concerns:A 51-year-old female patient without history of trauma and hypertension complained about left chest pain.Diagnoses:A chest Computed tomography (CT) scan revealed a large pleural effusion (PE) in the left thorax cavity and hemothorax was confirmed by thoracentesis.Interventions:The patient underwent surgery.Outcomes:spontaneous rupture of the branches of LSAwas confirmed.Lessons:The patient recovered well and discharged after timely treatments. The unusual possibility should be paid attention in mind in acute chest pain cases.

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Background: Although anti-inflammatory and immunomodulatory measures have delayed the progression of ulcerative colitis (UC) to a certain extent, the adverse drug reactions and recurrence after recovery still trouble clinicians. Acupoint catgut embedding is a possible alternative strategy for the treatment of UC, but its clinical efficacy remains controversial. Therefore, this study systematically evaluated the clinical efficacy and safety of acupoint catgut embedding compared with conventional western medicine in the treatment of UC.Methods: VIP, Wanfang, China National Knowledge Infrastructure, China Biology Medicine, PubMed, Embase, Web of Science, the Cochrane Library databases were searched. And the publication time of the literature was limited from the time that the database was established to February 2022. Two researchers independently screened the literature, extracted data, and assessed risk of bias as required. Meta-analysis was performed with Revman 5.3. Trial sequential analysis (TSA) was performed with TSA 0.9.5.10 Beta. Publication bias was assessed by Stata 15.0. And evidence quality was appraised with GRADEpro3.6.Results: A total of 10 studies were listed, with a total sample size of 782 cases. Meta-analysis showed that compared with conventional western medicine, acupoint catgut embedding can effectively improve the total effective rate of clinical symptoms (relative risk [RR] = 1.16, 95% confidence interval [CI] = [1.09,1.24], P < .00001), endoscopic total effective rate (RR = 1.16, 95%CI = [1.08,1.25], P < .0001), clinical symptom cure rate (RR = 1.80, 95%CI = [1.37,2.38], P < .0001), and endoscopic cure rate (RR = 1.97, 95%CI = [1.36,2.86], P = .0004) of UC, but the adverse event rate (RR = 0.20, 95%CI = [0.01,4.00], P = .29) was similar. Trial sequential analysis indicated that the efficacy endpoint was conclusive. Harbord test confirmed no significant publication bias. The quality of evidence for these outcomes ranges from low to medium. Conclusion:The clinical efficacy of acupoint catgut embedding in the treatment of UC is superior to that of conventional western medicine, and the safety may be equivalent to that of conventional western medicine, which has the value of further research and exploration.