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https://www.readbyqxmd.com/read/28334001/effects-of-overweight-and-the-pla2g7-v279f-polymorphism-on-the-association-of-age-with-systolic-blood-pressure
#1
Minjoo Kim, Minkyung Kim, Hye Jin Yoo, Hye Young Jang, Sang-Hyun Lee, Jong Ho Lee
This prospective study aimed to determine the effects of the persistence of overweight for three years and the PLA2G7 V279F polymorphism, as well as the interaction between these factors, on the association of age with blood pressure (BP). Healthy middle-aged subjects with normotensive BP were divided into the normal-weight and overweight groups. The PLA2G7 V279F genotype, BP, lipoprotein-associated phospholipase A2 (Lp-PLA2) activity, and oxidized low-density lipoprotein (ox-LDL) were determined. Lp-PLA2 activity was lower in the F allele subjects (n = 111) than in those with the VV genotype (n = 389)...
2017: PloS One
https://www.readbyqxmd.com/read/28332853/correlations-between-lp-pla2-gene-polymorphisms-and-susceptibility-and-severity-of-acute-pancreatitis-in-a-chinese-population
#2
Min Ma, Chun-Xia Zhai, Cai-Xia Sun
OBJECTIVE: This case-control study explored correlations between LP-PLA2 gene polymorphisms (A379V, V279F, and R92H) and susceptibility and severity of acute pancreatitis (AP) in a Chinese population. MATERIALS AND METHODS: From October 2013 to October 2015, 94 AP patients were chosen as the case group. According to the Acute Physiology and Chronic Health Evaluation (APACHE) II score standard, AP patients were divided into a mild AP (MAP) group (n = 46) and severe AP (SAP) group (n = 48)...
March 23, 2017: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/28289073/sympathetic-nervous-activity-in-patients-with-acute-coronary-syndrome-a-comparative-study-of-inflammatory-biomarkers
#3
Humberto Graner Moreira, Rony Lopes Lage, Daniel G Martinez, Larissa Ferreira-Santos, Maria U P B Rondon, Carlos Eduardo Negrão, Jose C Nicolau
Previous studies have shown that both sympathetic hyperactivity and enhanced inflammatory responses are associated with poor outcomes in patients with acute coronary syndrome (ACS). Whether there is a correlation between these two characteristics remains unclear. Thirty-four patients with uncomplicated ACS were evaluated; their mean age was 51.7 ± 7.0 years, 79.4% were male, and 94.1% had myocardial infarction. On the fourth day of hospitalization, they underwent muscle sympathetic nerve activity (MSNA) analysis (microneurography), as well as ultrasensitive C-reactive protein (usCRP), interleukin-6 (IL-6) and lipoprotein-associated phospholipase A2 (Lp-PLA2) activity measurements...
March 13, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28272264/the-elevated-lipoprotein-associated-phospholipase-a2-activity-is-associated-with-the-occurrence-and-recurrence-of-acute-cerebral-infarction
#4
Lingli Wei, Zunyu Ke, Yu Zhao, Zhiyou Cai
There is a strong association between lipoprotein-associated phospholipase A2 (Lp-PLA2) levels and atherosclerosis-related diseases. The aim of this study was to investigate the role of Lp-PLA2 in the ischemic stroke and further offer clinical evidence that measuring Lp-PLA2 helps predict the risk of stroke occurrence and recurrence. A total of 328 hospitalized patients were recruited, including 179 cases of acute cerebral infarction (ACI) and 149 non-ACI controls. The serum level of Lp-PLA2 in ACI was significantly higher than non-ACI...
March 7, 2017: Neuroreport
https://www.readbyqxmd.com/read/28255125/-meta-analysis-for-the-relationship-between-lipoprotein-associated-phospholipase-a2-and-ischemic-stroke
#5
Wencui Xia, Zhongyang Hu, Zhi Song
To analyze the relationship between lipoprotein-associated phospholipase A2 (Lp-PLA2) and ischemic stroke.
 Methods: Corresponding data, with case-control studies or cohorts regarding Lp-PLA2 and ischemic stroke, were retrieved from PubMed, Web of Science, Embase, the Cochrane Library, Chinese Biomedical Literature (CMB), VIP, China National Knowledge Infrastructure (CNKI), and Wanfang Database. Meta-analysis was performed by using Stata12.0.
 Results: Eight studies including 46 034 participants met the inclusion criteria...
February 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28252528/effects-of-pitavastatin-and-pravastatin-on-markers-of-immune-activation-and-arterial-inflammation-in-hiv
#6
Mabel Toribio, Kathleen V Fitch, Laura Sanchez, Tricia H Burdo, Kenneth C Williams, Craig A Sponseller, Mary McCurdy Pate, Judith A Aberg, Markella V Zanni, Steven K Grinspoon
OBJECTIVE: Persistent immune activation is thought to contribute to increased cardiovascular disease risk in HIV and statins may help modulate systemic immune activation. We aimed to compare the effects of two key statins on markers of systemic immune activation and arterial inflammation in the HIV population. DESIGN: Double-blind, active-controlled, parallel-group comparative trial performed in 45 sites. METHODS: Two hundred and fifty-two antiretroviral therapy-treated HIV-infected participants with dyslipidemia were randomized (1 : 1) to pitavastatin 4 mg daily vs...
March 27, 2017: AIDS
https://www.readbyqxmd.com/read/28222638/association-between-lp-pla2-and-coronary-heart-disease-in-chinese-patients
#7
Li Yang, Yin Liu, Shufeng Wang, Ting Liu, Hongliang Cong
Objective To evaluate the association between plasma lipoprotein-associated phospholipase A2 (Lp-PLA2; known to release inflammatory mediators that promote atherosclerosis) and coronary heart disease (CHD) in Chinese patients. Methods This observational, cross-sectional study included a patient cohort who were assessed by coronary angiography and divided into patients with coronary heart disease and patients with normal coronary angiography (controls). Data for several biochemical indicators were collected...
February 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28215109/lipoprotein-associated-phospholipase-a2-and-risk-of-incident-peripheral-arterial-disease-in-a-multi-ethnic-cohort-the-multi-ethnic-study-of-atherosclerosis
#8
Parveen K Garg, Neal W Jorgensen, Robyn L McClelland, Nancy S Jenny, Michael H Criqui, Matthew A Allison, Philip Greenland, Robert S Rosenson, David S Siscovick, Mary Cushman
Prospective studies supporting a relationship between elevated lipoprotein-associated phospholipase A2 (Lp-PLA2) and incident peripheral arterial disease (PAD) are limited. We evaluated the association of Lp-PLA2 with incident PAD in a multi-ethnic cohort without clinical cardiovascular disease. A total of 4622 participants with measurement of Lp-PLA2 mass and Lp-PLA2 activity and an ankle-brachial index (ABI) between 0.9 and 1.4 were followed for the development of PAD (median follow-up = 9.3 years), defined as an ABI ⩽0...
February 2017: Vascular Medicine
https://www.readbyqxmd.com/read/28183716/endothelial-dysfunction-in-children-with-obstructive-sleep-apnea-is-associated-with-elevated-lipoprotein-associated-phospholipase-a2-plasma-activity-levels
#9
Leila Kheirandish-Gozal, Mona F Philby, Zhuanghong Qiao, Abdelnaby Khalyfa, David Gozal
BACKGROUND: Obstructive sleep apnea (OSA) is a highly prevalent condition, especially in obese children, and has been associated with increased risk for endothelial dysfunction and dislipidemia, which are precursors of atherosclerosis. Lipoprotein-associated phospholipase A2 (Lp-PLA2) is recognized as an independent risk factor for cardiovascular risk and atheromatous plaque activity. We hypothesized that Lp-PLA2 levels would be elevated in children with OSA, particularly among obese children who also manifest evidence of endothelial dysfunction...
February 9, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28142077/associations-among-oxidative-stress-lp-pla2-activity-and-arterial-stiffness-according-to-blood-pressure-status-at-a-3-5-year-follow-up-in-subjects-with-prehypertension
#10
Minkyung Kim, Hye Jin Yoo, Minjoo Kim, Hyeon Yeong Ahn, Jiyeong Park, Sang-Hyun Lee, Jong Ho Lee
BACKGROUND AND AIMS: We aimed to determine changes in oxidative stress, lipoprotein-associated phospholipase A2 (Lp-PLA2) activity and arterial stiffness in subjects with persistent prehypertensive symptoms during a 3.5-year follow-up period. METHODS: We divided 254 subjects with prehypertension according to their blood pressure (BP) status at 3.5 years of follow-up into three groups: reversed normotensive, persistent prehypertensive and developed hypertensive group...
February 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28110894/endothelial-function-after-st-elevation-myocardial-infarction-in-patients-with-high-levels-of-high-sensitivity-crp-and-lp-pla2-a-substudy-of-the-response-randomized-trial
#11
Jasveen J Kandhai-Ragunath, Bjorn de Wagenaar, Cees Doelman, Jan van Es, Harald T Jørstad, Ron J G Peters, Carine J M Doggen, Clemens von Birgelen
BACKGROUND: The combination of high levels of high-sensitive C-reactive protein (hs-CRP) and lipoprotein-associated phospholipase-A2 (Lp-PLA2) was recently shown to correlate with increased cardiovascular risk. Endothelial dysfunction is also known to be a risk factor for cardiovascular events. AIM: To test among patients with previous ST-elevation myocardial infarction (STEMI) the hypothesis that high levels of both hs-CRP and Lp-PLA2 may be associated with impaired endothelium-dependent vasodilatation...
January 2, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28066794/altered-monocyte-and-endothelial-cell-adhesion-molecule-expression-is-linked-to-vascular-inflammation-in-human-immunodeficiency-virus-infection
#12
Manjusha Kulkarni, Emily Bowman, Janelle Gabriel, Taylor Amburgy, Elizabeth Mayne, David A Zidar, Courtney Maierhofer, Abigail Norris Turner, Jose A Bazan, Susan L Koletar, Michael M Lederman, Scott F Sieg, Nicholas T Funderburg
BACKGROUND: Human immunodeficiency virus (HIV)-infected individuals have increased risk for vascular thrombosis, potentially driven by interactions between activated leukocytes and the endothelium. METHODS: Monocyte subsets (CD14(+)CD16(-), CD14(+)CD16(+), CD14(Dim)CD16(+)) from HIV negative (HIV(-)) and antiretroviral therapy-treated HIV positive (HIV(+)) participants (N = 19 and 49) were analyzed by flow cytometry for adhesion molecule expression (lymphocyte function-associated antigen 1 [LFA-1], macrophage-1 antigen [Mac-1], CD11c/CD18, very late antigen [VLA]-4) and the fractalkine receptor (CX3CR1); these receptors recognize ligands (intercellular adhesion molecules [ICAMs], vascular cell adhesion molecule [VCAM]-1, fractalkine) on activated endothelial cells (ECs) and promote vascular migration...
October 2016: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28028722/relationship-between-two-blood-stasis-syndromes-and-inflammatory-factors-in-patients-with-acute-coronary-syndrome
#13
Cai-Yun Ma, Jing-Hua Liu, Jian-Xun Liu, Da-Zhuo Shi, Zhen-Ye Xu, Shao-Ping Wang, Min Jia, Fu-Hai Zhao, Yue-Rong Jiang, Qin Ma, Hong-Yu Peng, Yuan Lu, Ze Zheng, Feng-Xue Ren
OBJECTIVE: To investigate the relationship between inflammatory factors and two Chinese medicine (CM) syndrome types of qi stagnation and blood stasis (QSBS) and qi deficiency and blood stasis (QDBS) in patients with acute coronary syndrome (ACS). METHODS: Sixty subjects with ACS, whose pathogenesis changes belongs to qi disturbance blood stasis syndrome, were divided into 2 groups: 30 in the QSBS group and 30 in the QDBS group. The comparative analysis on them was carried out through comparing general information, coronary angiography and inflammatory factors including intracellular adhesion molecule-1 (ICAM-1), chitinase-3-like protein 1 (YKL-40) and lipoprotein-associated phospholipase A2 (Lp-PLA2)...
December 27, 2016: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28025044/a-dual-label-time-resolved-fluorescence-immunoassay-trfia-for-screening-of-coronary-atherosclerosis-based-on-simultaneous-detection-of-lp-pla2-and-hscrp
#14
Zhong Zhang, Xiaozhu Liu, Yinfeng Li, Ruolan Huang, Ling Wang, Laiqing Li, Cuicui Chen, Lijun Ou, Xiao Chang, Qiujie Qiao, Mingtai Chen
Atherosclerosis is the underlying cause of most coronary events. The conventional method for coronary atherosclerosis detection is morphological examination or coronary arterionyraphy. These methods are complex and time-consuming. In this study a two-step dual-label TRFIA was developed for the simultaneous detection of Lp-PLA2 and hsCRP in a single run. The performance of this assay was first evaluated using clinical serum samples, and then compared with commercialized kits. The sensitivity of this assay for Lp-PLA2 detection was 1ng/mL (dynamic range, 0-1000U/L), and the sensitivity for hsCRP detection was 1mg/L (dynamic range, 1-1000mg/L)...
December 23, 2016: Immunology Letters
https://www.readbyqxmd.com/read/27992874/differential-expression-of-lipoprotein-associated-phospholipase-a2-in-monocyte-subsets-impact-of-uremia-and-atherosclerosis
#15
Christof Ulrich, Bogusz Trojanowicz, Roman Fiedler, Felix Kohler, Anna-Franziska Wolf, Eric Seibert, Matthias Girndt
BACKGROUND: Monocytic products, such as lipoprotein-associated phospholipase A2 (Lp-PLA2), may participate in the development of atherosclerosis. Heterogeneity of monocytes is widely acknowledged. Classical, intermediate, and non-classical subsets can be discerned. Recently, an inflammatory, pro-atherogenic monocyte population could be identified in hemodialysis patients. In this study, we investigated the expression of Lp-PLA2 on leucocytes and different monocyte subpopulations and their possible role in uremia, inflammation, and atherosclerosis...
2017: Nephron
https://www.readbyqxmd.com/read/27956130/lipoprotein-associated-phospholipase-a2-in-coronary-heart-disease-review-and-meta-analysis
#16
REVIEW
Dongze Li, Lizhi Zhao, Jing Yu, Wei Zhang, Rongsheng Du, Xin Liu, Ying Liu, You Chen, Rui Zeng, Yu Cao, Zhi Zeng, Zhiwei Zhao, Jiang Wu
BACKGROUND: Risk associations between lipoprotein-associated phospholipase A2 (Lp-PLA2) and adverse outcomes in patients with coronary heart disease (CHD) remain unclear. The aim of the meta-analysis was to investigate the association between Lp-PLA2 and prognosis of CHD. METHODS: PubMed and Embase were examined for prospective studies published before June 2016. Multivariate-adjusted hazard ratios (HRs) with 95% confidence intervals (CIs) for the risk of adverse outcomes according to Lp-PLA2 activity or mass were extracted, pooled, and weighted using generic inverse-variance and random-effect modeling...
February 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/27941334/synergistic-effect-of-lipoprotein-associated-phospholipase-a2-with-classical-risk-factors-on-coronary-heart-disease-a-multi-ethnic-study-in-china
#17
Peng-Cheng Ge, Zhao-Hong Chen, Ren-You Pan, Xiao-Qing Ding, Jie-Yin Liu, Qiao-Wei Jia, Zhe Liu, Shi-Zhao He, Feng-Hui An, Li-Hua Li, Zhao-Yang Li, Yan Gu, Tie-Bing Zhu, Chun-Jian Li, Lian-Sheng Wang, Wen-Zhu Ma, Zhi-Jian Yang, En-Zhi Jia
AIMS: We evaluated the synergistic effect of lipoprotein-associated phospholipase A2 (Lp-PLA2) in association with classical risk factors in predicting coronary heart disease (CHD) and demonstrated the diagnostic value of Lp-PLA2 for predicting coronary stenotic lesions in subjects with CHD. METHODS: Blood samples were acquired from 911 consecutive adult subjects (662 males and 249 females) from 11 ethnic groups. Lp-PLA2 plasma levels were detected using a commercially available turbidimetric immunoassay (TIA)...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27940953/genetic-invalidation-of-lp-pla2-as-a-therapeutic-target-large-scale-study-of-five-functional-lp-pla2-lowering-alleles
#18
John M Gregson, Daniel F Freitag, Praveen Surendran, Nathan O Stitziel, Rajiv Chowdhury, Stephen Burgess, Stephen Kaptoge, Pei Gao, James R Staley, Peter Willeit, Sune F Nielsen, Muriel Caslake, Stella Trompet, Linda M Polfus, Kari Kuulasmaa, Jukka Kontto, Markus Perola, Stefan Blankenberg, Giovanni Veronesi, Francesco Gianfagna, Satu Männistö, Akinori Kimura, Honghuang Lin, Dermot F Reilly, Mathias Gorski, Vladan Mijatovic, Patricia B Munroe, Georg B Ehret, Alex Thompson, Maria Uria-Nickelsen, Anders Malarstig, Abbas Dehghan, Thomas F Vogt, Taishi Sasaoka, Fumihiko Takeuchi, Norihiro Kato, Yoshiji Yamada, Frank Kee, Martina Müller-Nurasyid, Jean Ferrières, Dominique Arveiler, Philippe Amouyel, Veikko Salomaa, Eric Boerwinkle, Simon G Thompson, Ian Ford, J Wouter Jukema, Naveed Sattar, Chris J Packard, Abdulla Al Shafi Majumder, Dewan S Alam, Panos Deloukas, Heribert Schunkert, Nilesh J Samani, Sekar Kathiresan, Børge G Nordestgaard, Danish Saleheen, Joanna Mm Howson, Emanuele Di Angelantonio, Adam S Butterworth, John Danesh
AIMS: Darapladib, a potent inhibitor of lipoprotein-associated phospholipase A2 (Lp-PLA2), has not reduced risk of cardiovascular disease outcomes in recent randomized trials. We aimed to test whether Lp-PLA2 enzyme activity is causally relevant to coronary heart disease. METHODS: In 72,657 patients with coronary heart disease and 110,218 controls in 23 epidemiological studies, we genotyped five functional variants: four rare loss-of-function mutations (c.109+2T > C (rs142974898), Arg82His (rs144983904), Val279Phe (rs76863441), Gln287Ter (rs140020965)) and one common modest-impact variant (Val379Ala (rs1051931)) in PLA2G7, the gene encoding Lp-PLA2...
December 11, 2016: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/27933945/fragment-based-approach-to-the-development-of-an-orally-bioavailable-lactam-inhibitor-of-lipoprotein-associated-phospholipase-a2-lp-pla2
#19
Alison J-A Woolford, Philip J Day, Véronique Bénéton, Valerio Berdini, Joseph E Coyle, Yann Dudit, Pascal Grondin, Pascal Huet, Lydia Y W Lee, Eric S Manas, Rachel L McMenamin, Christopher W Murray, Lee W Page, Vipulkumar K Patel, Florent Potvain, Sharna J Rich, Yingxia Sang, Don O Somers, Lionel Trottet, Zehong Wan, Xiaomin Zhang
Lp-PLA2 has been explored as a target for a number of inflammation associated diseases, including cardiovascular disease and dementia. This article describes the discovery of a new fragment derived chemotype that interacts with the active site of Lp-PLA2. The starting fragment hit was discovered through an X-ray fragment screen and showed no activity in the bioassay (IC50 > 1 mM). The fragment hit was optimized using a variety of structure-based drug design techniques, including virtual screening, fragment merging, and improvement of shape complementarity...
December 8, 2016: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/27913876/atherosclerosis-assessment-and-rheumatoid-arthritis
#20
C Bes, S Gürel, G Buğdaycı, O Dikbaş, M Soy
BACKGROUND AND AIM: Rheumatoid arthritis is associated with increased morbidity and mortality due to atherosclerotic cardiovascular diseases. Lipoprotein-associated phospholipase A2 (Lp-PLA2) is an enzyme of phospholipase A2; it plays an important role in inflammation and atherosclerosis. Herein we aimed to investigate whether Lp-PLA2 activity is associated with atherosclerosis in patients with rheumatoid arthritis and compare the Lp-PLA2 activity with carotid intima media thickness (CIMT)...
December 2, 2016: Zeitschrift Für Rheumatologie
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