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Peripheral blood and atherosclerosis

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https://www.readbyqxmd.com/read/29346331/growth-hormone-gh-and-cardiovascular-system
#1
REVIEW
Diego Caicedo, Oscar Díaz, Pablo Devesa, Jesús Devesa
This review describes the positive effects of growth hormone (GH) on the cardiovascular system. We analyze why the vascular endothelium is a real internal secretion gland, whose inflammation is the first step for developing atherosclerosis, as well as the mechanisms by which GH acts on vessels improving oxidative stress imbalance and endothelial dysfunction. We also report how GH acts on coronary arterial disease and heart failure, and on peripheral arterial disease, inducing a neovascularization process that finally increases flow in ischemic tissues...
January 18, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29315259/the-evolving-treatment-of-peripheral-arterial-disease-through-guideline-directed-recommendations
#2
REVIEW
Ramez Morcos, Boshra Louka, Andrew Tseng, Sanjay Misra, Robert McBane, Heidi Esser, Fadi Shamoun
Peripheral arterial disease (PAD) refers to partial or complete occlusion of one or more non-coronary arteries that leads to compromised blood flow and ischemia. Numerous processes are involved in arterial stenosis, however, atherosclerosis remains the most common etiology. PAD constitutes a major health economic problem, and it is estimated that over 200 million people around the world suffer from PAD, with at least 20% having some degree of claudication. The purpose of this review is to compare and contrast the guidelines on PAD published in 2005, 2011 and 2016 in terms of new recommendations and level of evidence for practicing clinicians...
January 9, 2018: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/29313574/a-study-of-genetic-markers-in-patients-of-rheumatoid-arthritis-and-their-co-relation-with-severity-of-the-disease
#3
Gauri Liyakat Ali, Suman Kapur, Sai Chinmayi, Qadir Fatima, Harshal Pise, Asim Khan, Ambreen Liyakat, V Jilova, Urvashi Dube
Introduction: Dyslipidemia has been reported to attribute to early death due to increased atherosclerosis leading to CVDs in patients with RA. Recent reports have suggested a role of adipocytokines in mediating joint damage rheumatoid arthritis (RA). RA has long been associated with increased cardiovascular risk as atherosclerosis is more prevalent in patients of RA than in the general population. Specific alleles of APOE gene have been reported to be associated with risk for atherosclerosis and LEP gene alleles have been associated with increased BMI...
September 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29288118/statins-reduce-the-expressions-of-tim-3-on-nk-cells-and-nkt-cells-in-atherosclerosis
#4
Na Zhang, Min Zhang, Ru-Tao Liu, Peng Zhang, Chun-Lin Yang, Long-Tao Yue, Heng Li, Yong-Kang Li, Rui-Sheng Duan
3-hydroxy-3-methylglutaryl-CoA (HMG-CoA) reductase inhibitors (statins) have an immuno-regulatory effect in addition to lowing-lipids. Accumulated evidences showed that the expressions of T cell immunoglobulin- and mucin-domain-containing molecule-3(Tim-3) on natural killer (NK) cells increased in atherosclerotic patients and animal models. In this study, 14 patients treated with rosuvastatin and 12 patients with atorvastatin for more than 3 months were included and 20 patients without statins treatment as control...
December 26, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29284896/neutrophil-to-lymphocyte-ratio-and-its-relation-with-markers-of-inflammation-and-myocardial-necrosis-in-patients-with-acute-coronary-syndrome
#5
Ema Tahto, Radivoj Jadric, Lamija Pojskic, Esmeralda Kicic
Introduction: Inflammation plays an important role in atherosclerosis which is the primary cause of acute coronary syndrome (ACS) that encompasses acute myocardial infarction (AMI) and unstable angina (UA). Objective: To investigate and characterize white blood cells (WBC) count, differential blood count in peripheral blood and neutrophil to lymphocyte ratio (NLR) in patients by the type of ACS. Patients and methods: The cross-sectional study included 100 patients with ACS (50 males, 50 females), aged 41 to 91 years, classified into two groups: AMI group (n=50) and UA group (n=50)...
October 2017: Medical Archives
https://www.readbyqxmd.com/read/29278407/novel-associations-between-blood-dna-methylation-and-body-mass-index-in-middle-aged-and-older-adults
#6
Y M Geurts, P-A Dugué, J E Joo, E Makalic, C-H Jung, W Guan, S Nguyen, M L Grove, E M Wong, A M Hodge, J K Bassett, L M FitzGerald, H Tsimiklis, L Baglietto, G Severi, D F Schmidt, D D Buchanan, R J MacInnis, J L Hopper, J S Pankow, E W Demerath, M C Southey, G G Giles, D R English, R L Milne
BACKGROUND/OBJECTIVES: There is increasing evidence of a relationship between blood DNA methylation and body mass index (BMI). We aimed to assess associations of BMI with individual methylation measures (CpGs) through a cross-sectional genome-wide DNA methylation association study and a longitudinal analysis of repeated measurements over time. SUBJECTS/METHODS: Using the Illumina Infinium HumanMethylation450 BeadChip, DNA methylation measures were determined in baseline peripheral blood samples from 5361 adults recruited to the Melbourne Collaborative Cohort Study (MCCS) and selected for nested case-control studies, 2586 because they were subsequently diagnosed with cancer (cases) and 2775 as controls...
October 16, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29262294/mechanistic-understanding-of-insulin-receptor-modulation-implications-for-the-development-of-anti-diabetic-drugs
#7
REVIEW
Na-Oh Yunn, Jaeyoon Kim, Youndong Kim, Ingo Leibiger, Per-Olof Berggren, Sung Ho Ryu
The insulin receptor is an important regulator of metabolic processes in the body, and in particular of glucose homeostasis, including glucose uptake into peripheral tissues. Thus, insulin administration is an effective treatment for diabetes, which is characterized by chronic elevation of blood glucose. However, insulin is not only a metabolic regulator, but also functions as a growth hormone. Accordingly, studies of long-term insulin administration and of the hyperinsulinemia associated with type 2 diabetes have raised concerns about possible increases in the risks of cancer and atherosclerosis, due to excessive stimulation of cell proliferation...
December 17, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29250300/cultivation-and-immortalization-of-human-b-cells-producing-a-human-monoclonal-igm-antibody-binding-to-mda-ldl-further-evidence-for-formation-of-atherogenic-mda-ldl-adducts-in-humans-in-vivo
#8
Franz Tatzber, Edith Pursch, Ulrike Resch, Roswitha Pfragner, Sandra Holasek, Meinrad Lindschinger, Gerhard Cvirn, Willibald Wonisch
Oxidatively modified low-density lipoprotein (oLDL) is firmly believed to play an important role in the initiation and development of atherosclerosis, and malonic dialdehyde (MDA) is one of the major lipid peroxidation breakdown products involved in this process. In recent decades, antibodies against MDA-LDL have been detected in human and animal sera. In our study, human B-cells from the peripheral blood of a healthy female donor were fused with the SP2/0 mouse myeloma cell line. Antibody-producing hybridomas were detected by MDA-LDL-IgG/IgM enzyme-linked immunosorbent assays (ELISA) and Cu++-oxidized LDL IgG/IgM (oLAb) ELISA...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29250154/microrna-24-inhibits-the-proliferation-and-migration-of-endothelial-cells-in-patients-with-atherosclerosis-by-targeting-importin-%C3%AE-3-and-regulating-inflammatory-responses
#9
Ye Zheng, Yongxing Li, Gang Liu, Xiangqian Qi, Xufen Cao
The aim of the present study was to measure the level of microRNA (miRNA or miR)-24 in the serum of patients with atherosclerosis and to investigate the effect of miR-24 on the expression of importin-α3 and tumor necrosis factor (TNF)-α, as well as the proliferation and migration of vascular endothelial cells. A total of 30 patients with atherosclerosis admitted to hospital between January and June 2016 were enrolled in the present study; 30 healthy subjects with a similar age range were enrolled as controls...
January 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29245903/deep-sequencing-of-the-t-cell-receptor-%C3%AE-repertoire-reveals-signature-patterns-and-clonal-drift-in-atherosclerotic-plaques-and-patients
#10
Zongwei Lin, Shao Qian, Yan Gong, Jianwei Ren, Lixia Zhao, Dongxiao Wang, Xiaowei Wang, Yun Zhang, Zhe Wang, Qunye Zhang
The T cell receptor (TCR) β repertoire directly reflects the status of T cell function. Meanwhile, the immune/inflammatory responses regulated by T cells are the critical determinants of atherosclerosis development. However, due to technical limitations, the composition and molecular characteristics of the TCR repertoire in atherosclerotic patients have not been fully elucidated. In the present study, we use powerful immune repertoire sequencing technology to study this issue. Results show that the utilization of V and/or J genes and the diversity of TCRβ repertoire in atherosclerotic plaques are significantly reduced compared to those in the peripheral blood of normal subjects and atherosclerotic patients...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29241180/high-mobility-group-box1-inhibitor-glycyrrhizic-acid-attenuates-kidney-injury-in-streptozotocin-induced-diabetic-rats
#11
Hong Zhang, Ru Zhang, Juan Chen, Min Shi, Wei Li, Xiangcheng Zhang
BACKGROUND/AIMS: High mobility group box 1 (HMGB1) is an important mediator of the inflammatory response. It has been implicated in the pathogenesis of autoimmune diseases, atherosclerosis, and obesity. However, the effects of HMGB1 on diabetic nephropathy remain unclear. Here, we investigated the potential roles and mechanisms of an HMGB1 inhibitor, glycyrrhizic acid (GA), in renal injury with the streptozotocin (STZ)-induced rat model. METHODS: The diabetic rat was generated by intraperitoneal injection of STZ and then treated with the HMGB1 inhibitor GA or saline for 8 weeks...
November 15, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29234849/urbanization-in-sub-saharan-africa-declining-rates-of-chronic-and-recurrent-infection-and-their-possible-role-in-the-origins-of-non-communicable-diseases
#12
REVIEW
Stephen W Bickler, Andrew Wang, Said Amin, Jonathan Halbach, Radhames Lizardo, David M Cauvi, Antonio De Maio
BACKGROUND: Non-communicable diseases (NCDs), such as atherosclerosis and cancers, are a leading cause of death worldwide. An important, yet poorly explained epidemiological feature of NCDs is their low incidence in under developed areas of low-income countries and rising rates in urban areas. METHODS: With the goal of better understanding how urbanization increases the incidence of NCDs, we provide an overview of the urbanization process in sub-Saharan Africa, discuss gene expression differences between rural and urban populations, and review the current NCD determinant model...
December 12, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/29225295/effect-of-smoking-status-on-monocyte-tissue-factor-activity-carotid-atherosclerosis-and-long-term-prognosis-in-metabolic-syndrome
#13
Keiichi Kohashi, Akihiro Nakagomi, Taichirou Morisawa, Ikuko Endoh, Naomi Kawaguchi, Yoshiki Kusama, Wataru Shimizu
BACKGROUND: Smoking increases the risk of atherothrombotic events. Tissue factor (TF) mainly expressed on monocytes plays an important role in thrombosis and atherosclerosis. Metabolic syndrome (MetS) is being increasingly recognized as a major atherothrombotic risk factor, but the effects of smoking on monocyte TF activity (MTFA), carotid atherosclerosis estimated on carotid intima-media thickness (CIMT), and long-term prognosis in MetS remain unclear.Methods and Results:A total of 301 MetS patients lacking any known cardiovascular disease were prospectively investigated and classified into 4 groups according to smoking status at entry and at 12 months as follows: never smokers, past smokers, quitters, and persistent smokers...
December 9, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29213335/liraglutide-attenuates-atherosclerosis-via-inhibiting-er-induced-macrophage-derived-microvesicles-production-in-t2dm-rats
#14
Jinjin Li, Xiaojuan Liu, Qianhua Fang, Min Ding, Chunjun Li
Background: We investigated the effects of liraglutide on the formation and progression of atherosclerosis in type 2 diabetes mellitus (T2DM) rats. Methods: Sprague-Dawley rats were divided into control group, diabetes group and liraglutide treated group. The T2DM rats model with atherosclerosis were induced by high fat diet followed small dosage streptozotocin injection. Body weight and blood glucose levels were monitored once a week for 3 months and then the rats were sacrificed...
2017: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/29207167/prazosin-protects-myocardial-cells-against-anoxia-reoxygenation-injury-via-the-extracellular-signal%C3%A2-regulated-kinase-signaling-pathway
#15
Lixin Wang, Yan Xue, Hao Ma, Haiyan Shi, Ling Wang, Xiaozheng Cui
Ischemic heart disease (including coronary arterial atherosclerosis, or vascular cavity stenosis or occlusion) remains the leading cause of disease‑associated mortality worldwide. Prazosin, a receptor blocker of postsynaptic adrenaline, is essential in expanding peripheral arteries, which decreases peripheral vascular resistance, and regulates anti‑hypertensive action. However, the mechanisms underlying the effects of prazosin have not been fully elucidated. The aim of the present study was to investigate the protective effects of prazosin on myocardial cells against anoxia‑reoxygenation injury in a mouse model...
November 28, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29207114/elderly-apolipoprotein-e%C3%A2-%C3%A2-mice-with-advanced-atherosclerotic-lesions-in-the-aorta-do-not-develop-alzheimer-s-disease-like-pathologies
#16
Reut Shnerb Ganor, Dror Harats, Ginette Schiby, Kinneret Rosenblatt, Irit Lubitz, Aviv Shaish, Ophira Salomon
Atherosclerosis and Alzheimer's disease (AD) are a major cause of morbidity and mortality in Western societies. These diseases share common risk factors, which are exhibited in old age, including hypertension, diabetes, hypercholesterolemia and apolipoprotein (Apo) ε4 allele. We previously demonstrated that factor XI (FXI) deficiency in mice reduced the atherosclerotic plaque area in coronary sinuses and the aortic arch. This led us to investigate whether FXI deficiency in elderly ApoE knockout (KO) mice would decrease pathological alterations compatible with atherosclerosis and AD...
November 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29203966/microvascular-endothelial-function-in-japanese-early-adolescents
#17
Yutaka Odanaka, Kimitaka Takitani, Hiroshi Katayama, Hiroshi Fujiwara, Kanta Kishi, Noriyasu Ozaki, Atsuko Ashida, Ryuzo Takaya, Hiroshi Tamai
Endothelial dysfunction is the early predictive factor for the development of atherosclerosis and future cardiovascular diseases in adulthood. The prevalence of endothelial dysfunction in children and early adolescents is increasing worldwide. Peripheral arterial tonometry is a noninvasive technique for assessing peripheral microvascular function and is used as a validated marker of endothelial function. We assessed anthropometric parameters, blood pressure, arterial stiffness, and peripheral endothelial function in 157 Japanese early adolescents (75 boys and 82 girls)...
November 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/29201997/cardiac-rehabilitation-in-patients-with-cardiovascular-disease-leads-various-hemodynamic-parameters-obtained-using-simple-non-invasive-tests-to-their-appropriate-levels
#18
Makito Futami, Kanta Fujimi, Takashi Ueda, Takuro Matsuda, Masaomi Fujita, Kouji Kaino, Maaya Sakamoto, Tomoe Horita, Rie Koyoshi, Tadaaki Arimura, Yuhei Shiga, Takashi Kuwano, Ken Kitajima, Keijiro Saku, Shin-Ichiro Miura
We evaluated whether comprehensive cardiac rehabilitation (CR) in patients with cardiovascular disease (CVD) could improve various hemodynamic parameters obtained using simple non-invasive tests. We analyzed 48 CVD patients with (n = 38, CR group) or without (n = 10, non-CR group) a CR program, and prospectively followed them for 12 months. Various parameters were measured at baseline and after 12 months using 3 simple non-invasive tests: blood pressure (BP) and severity of atherosclerosis [arterial velocity pulse index (AVI) and atrial pressure volume index] were determined using PASESA®, an index of total autonomic nerve activity and a coefficient of variation of the R-R interval (CVRR) were determined using eHEART®, and the total peripheral resistance, stroke volume and cardiac index (CI) were determined using nico®...
December 2017: IJC Heart & Vasculature
https://www.readbyqxmd.com/read/29199462/role-of-genetics-in-peripheral-arterial-disease-outcomes-significance-of-limb-salvage-quantitative-locus-1-genes
#19
Emmanuel Okeke, Ayotunde O Dokun
Peripheral artery disease is a major health care problem with significant morbidity and mortality. Humans with peripheral artery disease exhibit two major and differential clinical manifestations - intermittent claudication and critical limb ischemia. Individuals with intermittent claudication or critical limb ischemia have overlapping risk factors and objective measures of blood flow. Hence, we hypothesized that variation in genetic make-up may be an important determinant in the severity of peripheral artery disease...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29180215/analysis-of-ischemic-muscle-in-patients-with-peripheral-artery-disease-using-x-ray-spectroscopy
#20
Ryan A Becker, Kim Cluff, Nithyanandhi Duraisamy, George P Casale, Iraklis I Pipinos
BACKGROUND: Peripheral artery disease (PAD) is a vascular disease caused by atherosclerosis, resulting in decreased blood flow to the lower extremities. The ankle-brachial index (ABI) is a standard PAD diagnostic test but only identifies reduced blood flow based on blood pressure differences. The early signs of PAD manifest themselves not only at a clinical level but also at an elemental and biochemical level. However, the biochemical and elemental alterations to PAD muscle are not well understood...
December 2017: Journal of Surgical Research
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