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5 0 0 0 OA Circulating Oxidized Low-Density Lipoprotein Levels Independently Predict 10-Year Progression of Subclinical Carotid Atherosclerosis: A Community-Based Cohort Study

著者: Shen Gao Dong Zhao Yue Qi Wei Wang Miao Wang Jiayi Sun Jun Liu Yan Li Jing Liu
出版者: Japan Atherosclerosis Society
雑誌: Journal of Atherosclerosis and Thrombosis (ISSN:13403478)
巻号頁・発行日: pp.43299, (Released:2018-03-07)
参考文献数: 34
被引用文献数: 18

Aims: To investigate the association between circulating oxidized low-density lipoprotein (ox-LDL) levels and progression of subclinical atherosclerosis and to examine whether this link is independent of other low-density lipoprotein (LDL)-related parameters.Methods: Totally, 804 subjects who were free of cardiovascular disease at baseline completed risk factor surveys and carotid ultrasound measurements in 2002 and 2012. Modified Poisson regression was performed to examine the association between baseline serum ox-LDL levels and the 10-year risk of progression of carotid atherosclerosis which was defined as the development of at least one new plaque in a previously plaque-free carotid segment at re-examination.Results: The mean age of the subjects was 58.6±7.7 years at baseline and 43.3% were men. A total of 504 (62.7%) subjects had carotid plaque progression at re-examination. Subjects in the intermediate and highest tertiles of ox-LDL had a significantly higher adjusted risk of atherosclerosis progression than those in the lowest tertile [relative risk (95% confidence interval) 1.17 (1.01–1.34) for the intermediate tertile and 1.23 (1.07–1.42) for the highest tertile]. This association was independent of baseline levels of LDL-C, total LDL particle number, and small LDL particle number.Conclusion: This study demonstrates that serum ox-LDL levels predict 10-year progression of subclinical atherosclerosis. Moreover, this effect is independent of the cholesterol content, the number, and the size of LDL particles.

2018-06-30 23:38:25
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3 0 0 0 OA Circulating Oxidized Low-Density Lipoprotein Levels Independently Predict 10-Year Progression of Subclinical Carotid Atherosclerosis: A Community-Based Cohort Study

著者: Shen Gao Dong Zhao Yue Qi Wei Wang Miao Wang Jiayi Sun Jun Liu Yan Li Jing Liu
出版者: Japan Atherosclerosis Society
雑誌: Journal of Atherosclerosis and Thrombosis (ISSN:13403478)
巻号頁・発行日: vol.25, no.10, pp.1032-1043, 2018-10-01 (Released:2018-10-01)
参考文献数: 34
被引用文献数: 7 18

2020-11-03 20:00:36
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2 0 0 0 OA Baseline Factors Associated with Mortality within Six Months after Admission among Hospitalized HIV-1 Patients in Shenyang, China

著者: Ying Wen Ying Zhou Wen Wang Yu Wang Xu Lu Cui Ming Sun Wei Cui Jing Liu Wen Qing Geng Hong Shang Pei Liu
出版者: 一般社団法人日本内科学会
雑誌: Internal Medicine (ISSN:09182918)
巻号頁・発行日: vol.53, no.21, pp.2455-2461, 2014 (Released:2014-11-01)
参考文献数: 29
被引用文献数: 2 7

Objective Short-term mortality rates remain high among critically ill human immunodeficiency virus-1 (HIV-1) patients though long-term mortality rates have dropped. Baseline risk factors for short-term mortality have not yet been determined in China. In this paper, we herein describe clinical characteristics, laboratory findings, causes of clinical deterioration, and risk factors associated with mortality among HIV-1 patients within six months after hospital admission. Methods We carried out a prospective study of hospitalized patients in advanced stages of HIV infection. These patients started antiretroviral therapy three or four weeks after admission. Follow-up was conducted for a period of six months. We used a multivariate logistic-regression analysis to identify risk factors associated with mortality. Results A total of 141 patients met our inclusion criteria. The mean age was 41 years. Fever and weight loss were the most common clinical manifestations of advanced HIV disease. Oral candidiasis, tuberculosis, cytomegaloviremia, and pneumocystis pneumonia were the most common opportunistic infections. Significantly decreased CD4+ T-cell counts, hypoalbuminemia, anemia, hyponatremia, as well as elevated C-reactive protein (CRP) and glutamic alanine transaminase levels were common laboratory test abnormalities. The mortality rate was 21.3%. The patients who died were more likely than the survivors to have low CD4+ T-cell counts as well as low creatinine, hemoglobin, albumin, and serum sodium levels while also having longer intervals of fever and higher CRP levels. A multivariate analysis demonstrated that the independent risk factors for mortality were active tuberculosis [odds ratio (OR): 2.681; 95% confidence interval (CI), 1.006-7.142; p=0.049], hyponatremia (OR: 3.027; 95% CI, 1.238-7.401; p=0.015), and being at clinical stage 4 (as defined by the World Health Organization) (OR: 9.492; 95% CI, 1.200-75.065; p=0.033) within the first six months of admission. Conclusion Special consideration should be given to patients who have active tuberculosis, are at clinical stage 4, and present with hyponatremia upon admission as these were found to be important factors associated with mortality within six months of hospital admission in HIV-1 patients.

2014-11-27 23:13:23
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1 0 0 0 OA Exosomes Promote Atherosclerosis Progression by Regulating Circ_100696/miR-503-5p/PAPPA Axis-Mediated Vascular Smooth Muscle Cells Proliferation and Migration

著者: Jing Liu Xiangyang Zhang Zhaoxia Yu Tieliang Zhang
出版者: International Heart Journal Association
雑誌: International Heart Journal (ISSN:13492365)
巻号頁・発行日: vol.64, no.5, pp.918-927, 2023-09-30 (Released:2023-09-30)
参考文献数: 37

Circular RNAs (circRNAs) are known to play a crucial role in the progression of atherosclerosis (AS). In this study, we aim to explore the function of oxidized low-density lipoprotein (ox-LDL)-induced macrophage-derived exosomal circ_100696 in AS.THP-1 macrophages were induced by ox-LDL to mimic AS cell model. A quantitative real-time polymerase chain reaction (qRT-PCR) assay was applied to determine the expression of circ_100696, microRNA-503-5p (miR-503-5p), and pregnancy-associated plasma protein A (PAPPA). The morphology and size distribution of exosomes were examined by transmission electron microscopy (TEM) and nanoparticle tracking analysis (NTA). Western blot assay was performed for protein levels. Cell proliferation was assessed using 5-ethynyl-2'-deoxyuridine (EdU) assay. Flow cytometry analysis was performed to analyze the cell cycle. Wound-healing assay and transwell assay were done to examine cell migration. RNA pull-down assay, dual-luciferase reporter assay, and RNA immunoprecipitation (RIP) assay were employed to analyze the relationship among circ_100696, miR-503-5p, and PAPPA.Circ_100696 level was increased in ox-LDL-induced THP-1 macrophages and ox-LDL-treated THP-1 macrophage-derived exosomes (OM-Exo). OM-Exo promoted the proliferation, cell cycle, and migration of vascular smooth muscle cells (VSMCs). Circ_100696 was upregulated in VSMCs cocultured with OM-Exo. Circ_100696 knockdown reversed the effects of OM-Exo on VSMC proliferation and migration. Circ_100696 was demonstrated to function as the sponge for miR-503-5p, and miR-503-5p directly targeted PAPPA. Circ_100696 overexpression facilitated VSMC proliferation and migration, with miR-503-5p upregulation or PAPPA silencing reversing these effects. Moreover, circ_100696 overexpression promoted PAPPA expression by targeting miR-503-5p.OM-Exo promoted VSMC growth and migration by regulating the circ_100696/miR-503-5p/PAPPA axis, thereby promoting AS progression.

2023-10-22 14:03:45
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