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https://www.readbyqxmd.com/read/28921619/alcohol-reduces-arterial-remodeling-by-inhibiting-sonic-hedgehog-stimulated-sca1-progenitor-stem-cell-expansion
#1
Emma Fitzpatrick, Xu Han, Weimin Liu, Eoin Corcoran, Denise Burtenshaw, Maryam Alshamrani, David Morrow, Jay-Christian Helt, Paul A Cahill, Eileen M Redmond
BACKGROUND: Cell and molecular mechanisms mediating the cardiovascular effects of alcohol are not fully understood. Our aim was to determine the effect of moderate Ethanol (EtOH) on Sonic Hedgehog (SHh) signaling in regulating possible Sca1(+) progenitor stem cell involvement during pathologic arterial remodeling. METHODS AND RESULTS: Partial ligation or sham-operation of the left carotid artery was performed in transgenic Sca1-eGFP mice gavaged with or without 'daily moderate' EtOH...
September 18, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28919613/non-invasively-measured-carotid-artery-intima-medial-thickness-may-be-a-more-useful-marker-of-coronary-artery-disease-in-diabetic-than-non-diabetic-patients
#2
C M Ahmed, M K Hasan, B C Goswami, S K Banerjee, M F Rahman, H H Samira, D F Osmani, M N Hasan
Carotid intima-medial thickness has long been proposed as a surrogate marker of atherosclerotic vascular disease in other vascular beds, most notably the coronary arteries with its practical implications. This observational study aimed at exploring the relationship of a hypothetical stronger relationship of carotid intima-medial thickness with coronary artery disease in diabetic patients than non-diabetic counterparts. Thirty diabetic patients and 74 non-diabetic patients who were referred for coronary angiogram in the Departments of Cardiology Bangabandhu Sheikh Mujib Medical University and Combined Military Hospital, Dhaka Cantonment, Bangladesh from January, 2002 and December, 2003 were studied...
July 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28915687/features-and-risk-factors-of-carotid-atherosclerosis-in-a-population-with-high-stroke-incidence-in-china
#3
Yanqiu Zhang, Lingling Bai, Min Shi, Hongyan Lu, Yanan Wu, Jun Tu, Jingxian Ni, Jinghua Wang, Li Cao, Ping Lei, Xianjia Ning
Epidemiological studies have reported associations between traditional cardiovascular risk factors and carotid intima-media thickness (CIMT) or carotid plaque. However, definite risk factors at different phases of carotid atherosclerosis remain controversial. We aimed to explore risk factors and characteristics of carotid atherosclerosis at different stages in a low-income population with a high incidence of stroke in China. Between April 2014 and January 2015, we recruited 3789 stroke-free and cardiovascular disease-free residents aged ≥ 45 years...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915229/the-optimal-night-time-home-blood-pressure-monitoring-schedule-agreement-with-ambulatory-blood-pressure-and-association-with-organ-damage
#4
Anastasios Kollias, Emmanuel Andreadis, Gerasimos Agaliotis, George N Kolyvas, Apostolos Achimastos, George S Stergiou
OBJECTIVE: Night-time home blood pressure (HBP) monitoring has emerged as a feasible, reliable and low-cost alternative to ambulatory blood pressure (ABP) monitoring. This study evaluated the optimal schedule of night-time HBP monitoring in terms of agreement with night-time ABP and association with preclinical target-organ damage. METHODS: Untreated hypertensive adults were evaluated with ABP (24-h) and HBP monitoring (daytime: six days, duplicate morning and evening measurements; night-time: three nights, three-hourly automated measurements/night), and determination of left ventricular mass index, common carotid intima-media thickness and urinary albumin excretion...
September 14, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28912051/the-relationship-between-coronary-artery-disease-risk-factors-and-carotid-intima-media-thickness-in-children
#5
Dan White, Rebecca Place, Timothy Michael, Eric Hoffman, Paul M Gordon, Paul Visich
OBJECTIVE: To determine the number of coronary artery disease risk factors and the individual coronary artery disease risk factors that have a negative influence on carotid intima-media thickness in children. STUDY DESIGN: One hundred and nineteen children (mean age 10.51 ± 0.52 years; 51% female) participated. Each subject was assessed for carotid intima-media thickness, total cholesterol, high-density lipoprotein cholesterol (HDL-C), glucose, body mass index (BMI), and resting blood pressure...
September 11, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28911304/sialidases-therapeutic-and-antiatherogenic-potential
#6
Vasily Nikolaevich Sukhorukov, Vasily Petrovich Karagodin, Emile Rustemovich Zakiev, Andrey Vyacheslavovich Grechko, Alexandr Nikolaevich Orekhov
This review focuses on the biological role and clinical relevance of relatively poor studied enzymes known as sialidases. We describe structure and function of sialic acid, in particular as a component of gangliosides and plasma lipoproteins. Several types of sialidases are known in mammals, of which trans-sialidase is of special interest, since it is capable of removing sialic acid from low density lipoprotein (LDL) particles and transferring it to different acceptors in blood plasma. Desialylation of LDL, in turn, endows it a capacity to accumulate in the smooth muscle cells of human aortic intima, and therefore is important for atherogenesis...
June 8, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28910811/impact-of-age-and-aerobic-exercise-training-on-conduit-artery-wall-thickness-role-of-the-shear-pattern
#7
Koichiro Tanahashi, Keisei Kosaki, Yuriko Sawano, Toru Yoshikawa, Kaname Tagawa, Hiroshi Kumagai, Nobuhiko Akazawa, Seiji Maeda
Hemodynamic shear stress is the frictional force of blood on the arterial wall. The shear pattern in the conduit artery affects the endothelium and may participate in the development and progression of atherosclerosis. We investigated the role of the shear pattern in age- and aerobic exercise-induced changes in conduit artery wall thickness via cross-sectional and interventional studies. In a cross-sectional study, we found that brachial shear rate patterns and brachial artery intima-media thickness (IMT) correlated with age...
September 15, 2017: Journal of Vascular Research
https://www.readbyqxmd.com/read/28910688/aortic-fibromuscular-dysplasia-complicated-by-dissection-a-case-report-and-review-of-literature
#8
Takashi Tasaki, Kazuhito Hatanaka, Mari Kirishima, Shun Ohnishi, Yuko Goto, Ikumi Kitazono, Tsubasa Hiraki, Sohsuke Yamada, Michiyo Higashi, Akihide Tanimoto
Fibromuscular dysplasia (FMD) is an idiopathic, segmental, nonatherosclerotic, non-inflammatory vascular disease, which is often complicated by the occurrence of dissection. Although it is known to occur in all arteries, aortic involvement is relatively rare. To date, 33 cases of aortic FMD have been reported in available English literature, among which only three cases have been complicated by the occurrence of dissection. We describe the case of a 40-year-old woman diagnosed with aortic FMD complicated by the occurrence of a type A aortic dissection...
August 9, 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28910282/characterization-of-intravascular-cellular-activation-in-relationship-to-subclinical-atherosclerosis-in-postmenopausal-women
#9
Muthuvel Jayachandran, Vesna D Garovic, Michelle M Mielke, Kent R Bailey, Brian D Lahr, Virginia M Miller
OBJECTIVE: Mechanisms and interactions among intravascular cells contributing to development of subclinical atherosclerosis are poorly understood. In women, both menopausal status and pregnancy history influence progression of atherosclerosis. This study examined activation and interactions among blood elements with subclinical atherosclerosis in menopausal women with known pregnancy histories. METHODS: Carotid intima-media thickness (CIMT), as a marker of subclinical atherosclerosis, was measured using B-mode ultrasound in age- and parity-matched women [40 with and 40 without a history of preeclampsia] 35 years after the index pregnancy...
2017: PloS One
https://www.readbyqxmd.com/read/28904456/association-of-serum-25-hydroxyvitamin-d-in-carotid-intima-media-thickness-a-study-from-south-india
#10
Jaydip Ray Chauduri, K Rukmini Mridula, Matapathi Umamashesh, Banda Balaraju, V C S Srinivasarao Bandaru
BACKGROUND: Abnormal carotid intima-media thickness (IMT) is a marker of carotid atherosclerosis which is a risk factor for cerebrovascular and cardiovascular diseases. Recent studies have found an association of 25-hydroxyvitamin D deficiency with abnormal carotid IMT. PURPOSE: The purpose of the study was to investigate the association of serum 25-hydroxyvitamin D levels with carotid IMT in Indian participants. MATERIALS AND METHODS: We prospectively recruited 300 participants at Yashoda Hospital, Hyderabad, during the study period between January 2012 and December 2014...
July 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28904249/relationship-between-serum-uric-acid-and-vascular-function-and-structure-markers-and-gender-difference-in-a-real-world-population-of-china-from-beijing-vascular-disease-patients-evaluation-study-best-study
#11
Huan Liu, Jinbo Liu, Hongwei Zhao, Yingyan Zhou, Lihong Li, Hongyu Wang
AIM: The study was done to establish the relationship between serum uric acid (UA) and vascular function and structure parameters including carotid femoral pulse wave velocity (CF-PWV), carotid radial pulse wave velocity (CR-PWV), cardio ankle vascular index (CAVI), ankle brachial index (ABI), and carotid intima-media thickness (CIMT), and the gender difference in a real-world population from China. METHODS: A total of 979 subjects were enrolled (aged 60.86±11...
September 12, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28903937/ectopic-fatty-acid-binding-protein-4-expression-in-the-vascular-endothelium-is-involved-in-neointima-formation-after-vascular-injury
#12
Takahiro Fuseya, Masato Furuhashi, Megumi Matsumoto, Yuki Watanabe, Kyoko Hoshina, Tomohiro Mita, Shutaro Ishimura, Marenao Tanaka, Tetsuji Miura
BACKGROUND: Fatty acid-binding protein 4 (FABP4) is expressed in adipocytes, macrophages, and endothelial cells of capillaries but not arteries. FABP4 is secreted from adipocytes in association with lipolysis, and an elevated circulating FABP4 level is associated with obesity, insulin resistance, and atherosclerosis. However, little is known about the link between FABP4 and endovascular injury. We investigated the involvement of ectopic FABP4 expression in endothelial cells in neointima hyperplasia after vascular injury...
September 13, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28903431/detection-of-specific-chlamydia-pneumoniae-and-cytomegalovirus-antigens-in-human-carotid-atherosclerotic-plaque-in-a-chinese-population
#13
Jiachao Cao, Yumin Mao, Bo Dong, Wei Guan, Jia Shi, Suinuan Wang
To explore the relationship between certain pathogens, such as chlamydia pneumonia (Cpn) and cytomegalovirus (CMV), and carotid atherosclerosis (AS) in a Chinese population.Twenty-five carotid atherosclerotic stenosis patients from the Beijing Tiantan Hospital (affiliated with Capital Medical University) participated in the study. After undergoing digital subtraction angiography (DSA) and/or computed tomography angiography (CTA), the degree of carotid artery stenosis was over 70% in all cases, and the patients underwent carotid endarterectomy...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28902810/biochemical-markers-in-blood-serum-of-patients-undergoing-various-methods-of-carotid-endarterectomy
#14
V S Kozyreva, A N Shilova, A A Karpenko, P V Ignatenko, V V Lomivorotov
The authors studied the concentration of CRP, sE-selectin, sP-selectin, sICAM-1, sICAM-3, sVCAM-1, sPECAM and endothelin-1 in blood serum of patients presenting with stenotic lesions of carotid arteries and undergoing various methods of carotid endarterectomy (CEAE): eversion CEAE (Group I) and CEAE using a xenopericardium patch (Group II). Within the time frame of the study, patients in both groups were found to have an elevated CRP level in the early postoperative period, having returned to the baseline values at 6 postoperative months, as well as an increase in the concentration of endothelin-1 at six months after surgery and a decrease of the sE-selectin concentration in the early postoperative period...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/28901415/effect-of-continuous-positive-airway-pressure-therapy-on-inflammatory-cytokines-and-atherosclerosis-in-patients-with-obstructive-sleep-apnea-syndrome
#15
Fa Jin, Jiannan Liu, Xiuwei Zhang, Wei Cai, Yuqiong Zhang, Wei Zhang, Jian Yang, Gan Lu, Xilong Zhang
Obstructive sleep apnea syndrome (OSAS) is known to be a risk factor for atherosclerosis (AS), derived from a series of chronic inflammatory reactions caused by hypoxia. However, the association between chronic inflammation and high blood pressure caused by hypoxia remains to be fully elucidated. The aim of the present study was to investigate the effect of continuous positive airway pressure (CPAP) therapy on inflammatory cytokines and AS. A total of 100 patients with OSAS and 50 healthy control subjects were enrolled...
August 30, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28899579/cxcl4-induced-macrophages-in-human-atherosclerosis
#16
Gabriele Domschke, Christian A Gleissner
Atherosclerosis is considered an inflammatory disease of the arterial wall. Monocytes and monocyte-derived cells (most often termed macrophages) play an essential role in the formation of atherosclerotic lesions, as they take up lipids leading to subsequent foam cell formation accompanied by release of pro-inflammatory cytokines. Similarly, platelets have been discovered to represent an important cell type mediating inflammatory and immune processes in atherogenesis, mainly by secreting chemokines, which are stored in the platelets' alpha granules, upon platelet activation...
September 9, 2017: Cytokine
https://www.readbyqxmd.com/read/28899499/mechanisms-underlying-antiatherosclerotic-properties-of-an-enriched-fraction-obtained-from-ilex-paraguariensis-a-st-hil
#17
Patrícia Gonçalves Santiago, Francielly Mourão Gasparotto, Karimi Sater Gebara, Flavia Barbieri Bacha, Francislaine Aparecida Dos Reis Lívero, Maria Angélica Strapazon, Euclides Lara Cardozo Junior, Cândida Aparecida Leite Kassuya, Lauro Mera de Souza, Arquimedes Gasparotto Junior
BACKGROUND: Ilex paraguariensis A. St. Hil. var. paraguariensis (Aquifoliaceae) popularly known as 'mate' is an important species native to South America. Despite numerous studies showing significant antioxidant and lipid lowering properties, the antiatherosclerotic mechanisms of this species remain unknown. PURPOSE: To evaluate the possible antiatherosclerotic effects of a butanolic fraction (n-BFIP) obtained from I. paraguariensis and to investigate the molecular mechanisms involved in this activity...
October 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28894055/-igg4-related-periaortitis-manifested-as-contained-rupture-of-penetrating-atherosclerotic-ulcer
#18
Takeshi Someya, Shogo Sakurai, Toshizumi Shirai
We report a case of IgG4-related periaortitis of the descending aorta manifested as a contained rupture of penetrating atherosclerotic ulcer(PAU). A 67-year-old male was admitted to our hospital complaining about chest pain. Computed tomography(CT) and magnetic resonance imaging revealed PAU with extravasation of the descending aorta and thickening of surrounding tissues. Fluorodeoxyglucose-positron emission tomography (FDG-PET) CT demonstrated abnormal accumulation of FDG at the thickening sites, and serum IgG4 value was abnormally high...
September 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28893763/pea-15-phosphoprotein-enriched-in-astrocytes-15-is-a-protective-mediator-in-the-vasculature-and-is-regulated-during-neointimal-hyperplasia
#19
Fiona H Greig, Simon Kennedy, George Gibson, Joe W Ramos, Graeme F Nixon
BACKGROUND: Neointimal hyperplasia following angioplasty occurs via vascular smooth muscle cell proliferation. The mechanisms involved are not fully understood but include mitogen-activated protein kinases ERK1/2 (extracellular signal-regulated kinases 1 and 2). We recently identified the intracellular mediator PEA-15 (phosphoprotein enriched in astrocytes 15) in vascular smooth muscle cells as a regulator of ERK1/2-dependent proliferation in vitro. PEA-15 acts as a cytoplasmic anchor for ERK1/2, preventing nuclear localization and thereby reducing ERK1/2-dependent gene expression...
September 11, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28892255/does-cardiovascular-risk-vary-according-to-the-criteria-for-a-diagnosis-of-polycystic-ovary-syndrome
#20
Sedef Ramoglu, Tevfik Yoldemir, Kemal Atasayan, Dilek Gogas Yavuz
AIM: The risk of cardiovascular disease is higher in women with polycystic ovary syndrome (PCOS) compared to healthy individuals. Chronic inflammation, insulin resistance, hyperandrogenemia, hyperlipidemia and increased oxidative stress are known to have a role in the formation of atherosclerosis and cardiovascular disease. The aim of our study was to evaluate if cardiovascular risk varied according to different PCOS criteria, using carotid intima-media thickness (CIMT), which is an important marker of major cardiovascular events in the later stages of life...
September 11, 2017: Journal of Obstetrics and Gynaecology Research
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