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https://www.readbyqxmd.com/read/28919322/changes-in-vasodilation-following-myocardial-ischemia-reperfusion-in-rats
#1
Sarah Brøgger Kristiansen, Majid Sheykhzade, Lars Edvinsson, Kristian Agmund Haanes
BACKGROUND: Blockage of a coronary artery, usually caused by arteriosclerosis, can lead to life threatening acute myocardial infarction. Opening with PCI (percutaneous coronary intervention), may be lifesaving, but reperfusion might exacerbate the cellular damage, and changes in the endothelium are believed to be involved in this worsened outcome. AIM: The aim of the present study was to compare endothelial dependent and independent vasodilatory effect after experimental myocardial ischemia/reperfusion (I/R)...
September 14, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/28912780/inflammatory-markers-for-arterial-stiffness-in-cardiovascular-diseases
#2
REVIEW
Ioana Mozos, Clemens Malainer, Jarosław Horbańczuk, Cristina Gug, Dana Stoian, Constantin Tudor Luca, Atanas G Atanasov
Arterial stiffness predicts an increased risk of cardiovascular events. Inflammation plays a major role in large arteries stiffening, related to atherosclerosis, arteriosclerosis, endothelial dysfunction, smooth muscle cell migration, vascular calcification, increased activity of metalloproteinases, extracellular matrix degradation, oxidative stress, elastolysis, and degradation of collagen. The present paper reviews main mechanisms explaining the crosstalk between inflammation and arterial stiffness and the most common inflammatory markers associated with increased arterial stiffness, considering the most recent clinical and experimental studies...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28904960/mystery-of-retinal-vein-occlusion-vasoactivity-of-the-vein-and-possible-involvement-of-endothelin-1
#3
REVIEW
Teruyo Kida
Retinal vein occlusion (RVO) is a common vascular disease of retina; however, the pathomechanism leading to RVO is not yet clear. In general, increasing age, hypertension, arteriosclerosis, diabetes mellitus, dyslipidemia, cardiovascular disorder, and cerebral stroke are systemic risk factors of RVO. However, RVO often occur in the unilateral eye and sometimes develop in young subjects who have no arteriosclerosis. In addition, RVO show different variations on the degrees of severity; some RVO are resolved without any treatment and others develop vision-threatening complications such as macular edema, combined retinal artery occlusion, vitreous hemorrhage, and glaucoma...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28883786/arterial-pulsations-cannot-drive-intramural-periarterial-drainage-significance-for-a%C3%AE-drainage
#4
Alexandra K Diem, Matthew MacGregor Sharp, Maureen Gatherer, Neil W Bressloff, Roxana O Carare, Giles Richardson
Alzheimer's Disease (AD) is the most common form of dementia and to date there is no cure or efficient prophylaxis. The cognitive decline correlates with the accumulation of amyloid-β (Aβ) in the walls of capillaries and arteries. Our group has demonstrated that interstitial fluid and Aβ are eliminated from the brain along the basement membranes of capillaries and arteries, the intramural periarterial drainage (IPAD) pathway. With advancing age and arteriosclerosis, the stiffness of arterial walls, this pathway fails in its function and Aβ accumulates in the walls of arteries...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28881539/-analysis-of-carotid-atherosclerosis-and-related-risk-factors-in-a-university-physical-examination-population-in-beijing
#5
X F Meng, G M Liu, X L Wang, Q Xu
Objective: To explore the incidence of carotid atherosclerosis in staffs of Tsinghua university according to the different age groups, the possible risk factors and conduct a follow-up survey. Methods: Detailed information about physical examination and carotid ultrasound from 832 staffs of Tsinghua University between 2014 to 2016 were reviewed to observe the occurrence and development of atherosclerosis according to different age groups; the correlation between conventional risk factors and carotid arteriosclerosis was studied by multivariate Logistic regression analysis...
September 5, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28874441/comprehensive-analyses-of-oxidized-phospholipids-using-a-measured-ms-ms-spectra-library
#6
Ryohei Aoyagi, Kazutaka Ikeda, Yosuke Isobe, Makoto Arita
Oxidized phospholipids (OxPLs) are widely held to be associated with various diseases such as arteriosclerosis, diabetes and cancer. To characterize the structure-specific behavior of OxPLs and their physiological relevance, we developed a comprehensive analytical method by establishing a measured MS/MS spectra library of OxPLs . Biogenic OxPLs were prepared by the addition of specific oxidized fatty acids to cultured cells, where they were incorporated into cellular phospholipids, and untargeted lipidomics by LC-quadrupole/time-of-flight (QTOF) MS was applied to collect MS/MS spectra for the OxPLs...
September 5, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28864202/pathogenesis-of-thromboangiitis-obliterans-gene-polymorphism-and-immunoregulation-of-human-vascular-endothelial-cells
#7
REVIEW
Xiao-Lei Sun, Betty Yuen-Kwan Law, Ivo Ricardo de Seabra Rodrigues Dias, Simon Wing Fai Mok, Yan-Zheng He, Vincent Kam-Wai Wong
Thromboangiitis obliterans (TAO) is a nonatherosclerotic, segmental, inflammatory vasculitis, which commonly affects the small- and medium-sized arteries of the upper and lower extremities. Despite its discovery more than a century ago, little progress has been made in its treatment. Unless the pathogenesis is elucidated, therapeutic approaches will be limited. The purpose of this review article is to collate current knowledge of mechanisms for the pathogenesis of thromboangiitis obliterans and to propose potential mechanisms from a genetic and immunoreactive point of view for its inception...
August 18, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28861044/diabetic-neuropathy-evaluated-by-a-novel-device-sural-nerve-conduction-is-associated-with-glycemic-control-and-ankle-brachial-pressure-index-in-japanese-patients-with-diabetes
#8
Hidetaka Hamasaki, Yasuteru Hamasaki
BACKGROUND: Currently, no international diagnostic criteria for diabetic neuropathy (DN) have been established. Recently, a novel point-of-care sural nerve conduction device has been developed. We aimed to investigate associations between DN and clinical parameters related to the development and progression of DN by using this novel device. METHODS: We conducted a retrospective observational study in patients with diabetes whose sural nerve functions were measured using DPN Check between January 2015 and October 2016...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28844490/decalogue-of-the-spanish-society-of-arteriosclerosis-to-reduce-therapeutic-inertia
#9
Mariano Blasco, Pablo Pérez-Martínez, Carlos Lahoz
Therapeutic inertia (TI) is defined as the failure of the physician to initiate or intensify a treatment when the therapeutic goal has not been achieved. TI can be of 2types: inertia due to lack of prescription of drugs and inertia in the absence of control of a risk factor. The consequences of TI are poor control of risk factors, an increase in potentially preventable events and an increase in costs. There are factors of the doctor himself, the patient and the care organization that determine the presence of TI...
August 24, 2017: Clínica e Investigación en Arteriosclerosis
https://www.readbyqxmd.com/read/28843667/the-specific-localization-of-advanced-glycation-end-products-ages-in-rat-pancreatic-islets
#10
Yuta Morioka, Kiyoshi Teshigawara, Yasuko Tomono, Dengli Wang, Yasuhisa Izushi, Hidenori Wake, Keyue Liu, Hideo Kohka Takahashi, Shuji Mori, Masahiro Nishibori
Advanced glycation end-products (AGEs) are produced by non-enzymatic glycation between protein and reducing sugar such as glucose. Although glyceraldehyde-derived AGEs (Glycer-AGEs), one of the AGEs subspecies, have been reported to be involved in the pathogenesis of various age-relating diseases such as diabetes mellitus or arteriosclerosis, little is known about the pathological and physiological mechanism of AGEs in vivo. In present study, we produced 4 kinds of polyclonal antibodies against AGEs subspecies and investigated the localization of AGEs-modified proteins in rat peripheral tissues, making use of these antibodies...
August 2017: Journal of Pharmacological Sciences
https://www.readbyqxmd.com/read/28841989/assessment-of-anti-inflammatory-properties-of-extracts-from-honeysuckle-lonicera-sp-l-caprifoliaceae-by-atr-ftir-spectroscopy
#11
R Nikzad-Langerodi, S Ortmann, E M Pferschy-Wenzig, V Bochkov, Y M Zhao, J H Miao, J Saukel, A Ladurner, E H Heiss, V M Dirsch, R Bauer, A G Atanasov
Inflammation is a hallmark of some of today's most life-threatening diseases such as arteriosclerosis, cancer, diabetes and Alzheimer's disease. Herbal medicines (HMs) are re-emerging resources in the fight against these conditions and for many of them, anti-inflammatory activity has been demonstrated. However, several aspects of HMs such as their multi-component character, natural variability and pharmacodynamic interactions (e.g. synergism) hamper identification of their bioactive constituents and thus the development of appropriate quality control (QC) workflows...
December 1, 2017: Talanta
https://www.readbyqxmd.com/read/28835584/role-of-glyceraldehyde-derived-ages-and-mitochondria-in-superoxide-production-in-femoral-artery-of-oletf-rat-and-effects-of-pravastatin
#12
Eisei Hori, Chigusa Kikuchi, Chie Nagami, Junko Kajikuri, Takeo Itoh, Masayoshi Takeuchi, Tamihide Matsunaga
A complication of diabetes mellitus is the over-production of vascular superoxides, which contribute to the development of arteriosclerosis and peripheral arterial disease (PAD). Hyperglycemia induces the formation and accumulation of advanced glycation end-products (AGEs), which in turn stimulate vascular superoxide production. The mechanism underlying AGE-mediated vascular superoxide production remains to be clarified in lower limb complications associated with diabetes. In the present study, we investigated the role of AGEs and the mitochondrial respiratory complex in superoxide production in femoral arteries using the type 2 diabetes model Otsuka Long-Evans Tokushima Fatty (OLETF) rats [vs...
August 22, 2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28835487/endothelial-functions
#13
REVIEW
Shigeo Godo, Hiroaki Shimokawa
The endothelium plays important roles in modulating vascular tone by synthesizing and releasing a variety of endothelium-derived relaxing factors, including vasodilator prostaglandins, NO, and endothelium-dependent hyperpolarization factors, as well as endothelium-derived contracting factors. Endothelial dysfunction is mainly caused by reduced production or action of these relaxing mediators. Accumulating evidence has demonstrated that endothelial functions are essential to ensure proper maintenance of vascular homeostasis and that endothelial dysfunction is the hallmark of a wide range of cardiovascular diseases associated with pathological conditions toward vasoconstriction, thrombosis, and inflammatory state...
September 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28830651/development-and-validation-of-optimal-cut-off-value-in-inter-arm-systolic-blood-pressure-difference-for-prediction-of-cardiovascular-events
#14
Akira Hirono, Kenya Kusunose, Norihito Kageyama, Masayuki Sumitomo, Masahiro Abe, Hiroyuki Fujinaga, Masataka Sata
BACKGROUND: An inter-arm systolic blood pressure difference (IAD) is associated with cardiovascular disease. The aim of this study was to develop and validate the optimal cut-off value of IAD as a predictor of major adverse cardiac events in patients with arteriosclerosis risk factors. METHODS: From 2009 to 2014, 1076 patients who had at least one cardiovascular risk factor were included in the analysis. We defined 700 randomly selected patients as a development cohort to confirm that IAD was the predictor of cardiovascular events and to determine optimal cut-off value of IAD...
August 19, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28830217/decreased-glucagon-like-peptide-1-receptor-expression-in-endothelial-and-smooth-muscle-cells-in-diabetic-db-db-mice-tcf7l2-is-a-possible-regulator-of-the-vascular-glucagon-like-peptide-1-receptor
#15
Tomohiko Kimura, Atsushi Obata, Masashi Shimoda, Seizo Okauchi, Hidenori Hirukawa, Kenji Kohara, Tomoe Kinoshita, Yuka Nogami, Shuhei Nakanishi, Tomoatsu Mune, Kohei Kaku, Hideaki Kaneto
AIMS: Incretin signalling is known to prevent the development of arteriosclerosis by relaxation response in endothelial cells via the glucagon-like peptide 1 receptor. It remains unclear, however, whether vascular glucagon-like peptide 1 receptor expression is altered under some conditions. The aim of this study is to examine whether vascular glucagon-like peptide 1 receptor expression is altered by diabetic state as reported in pancreatic β-cells. METHODS: We used 18-week-old male diabetic db/db mice and control db/m mice...
August 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28828026/limb-ischemia-after-heart-transplantation-an-unusual-case-of-tissue-embolism
#16
Seyed Mohsen Mirhosseini, Ali Sanjari Moghaddam
Major complications of heart transplantation include graft rejection, infection, graft arteriosclerosis, malignancy, and drug toxicity. Among these complications, infections and thrombophilic disorders are of particular interest owing to their major contribution to morbidity and mortality among heart transplantation patients. Thrombophilic disorders are caused by imbalance between hypercoagulation and fibrinolytic states. In this report, we describe a 43-year-old man who had unusual complications of heart transplantation...
April 2017: Journal of Tehran Heart Center
https://www.readbyqxmd.com/read/28823140/pre-existing-arterial-pathologic-changes-affecting-arteriovenous-fistula-patency-and-cardiovascular-mortality-in-hemodialysis-patients
#17
REVIEW
Ja Young Lee, Young Ok Kim
The radiocephalic arteriovenous fistula (AVF) provides optimal vascular access for hemodialysis; it has a higher long-term patency rate and fewer complications than other vascular access methods. However, the AVF has a high primary failure rate. The presence of small-diameter vessels at anastomosis sites is an important risk factor for AVF failure. However, in a recent study, despite selecting an adequate artery and vein for creating an AVF by routine preoperative vascular mapping, AVF maturation and primary failure occurred...
September 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28819166/histone-protein-deacetylase-11-targeting-promotes-foxp3-treg-function
#18
Jianbing Huang, Liqing Wang, Satinder Dahiya, Ulf H Beier, Rongxiang Han, Arabinda Samanta, Joel Bergman, Eduardo M Sotomayor, Edward Seto, Alan P Kozikowski, Wayne W Hancock
Current interest in Foxp3+ T-regulatory (Treg) cells as therapeutic targets in transplantation is largely focused on their harvesting pre-transplant, expansion and infusion post-transplantation. An alternate strategy of pharmacologic modulation of Treg function using histone/protein deacetylase inhibitors (HDACi) may allow more titratable and longer-term dosing. However, the effects of broadly acting HDACi vary, such that HDAC isoform-selective targeting is likely required. We report data from mice with constitutive or conditional deletion of HDAC11 within Foxp3+ Treg cells, and their use, along with small molecule HDAC11 inhibitors, in allograft models...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28816948/medial-medullary-infarction-caused-by-antineutrophil-cytoplasmic-antibody-related-vasculitis-case-report-and-review-of-the-literature
#19
Kumi Yanagiha, Kazuhiro Ishii, Tomoyuki Ueno, Aiki Marushima, Akira Tamaoka
RATIONALE: Medial medullary infarction accounts for less than 1% of brain infarctions, and medial medullary infarctions is very rarely caused by antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis. PATIENT CONCERNS: We report the case of a 76-year-old man at low risk of arteriosclerosis who presented with disorders on the left side including gaze-evoked nystagmus, paralysis of the extremities, pyramidal signs, sensory disturbance, and dysesthesia. Brain magnetic resonance imaging also showed right medial medullary infarction...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28798354/enpp1-is-an-anti-aging-factor-that-regulates-klotho-under-phosphate-overload-conditions
#20
Ryuichi Watanabe, Nobuyuki Fujita, Yuiko Sato, Tami Kobayashi, Mayu Morita, Takatsugu Oike, Kana Miyamoto, Makoto Kuro-O, Toshimi Michigami, Seiji Fukumoto, Takashi Tsuji, Yoshiaki Toyama, Masaya Nakamura, Morio Matsumoto, Takeshi Miyamoto
Control of phosphate metabolism is crucial to regulate aging in mammals. Klotho is a well-known anti-aging factor that regulates phosphate metabolism: mice mutant or deficient in Klotho exhibit phenotypes resembling human aging. Here we show that ectonucleotide pyrophosphatase/phosphodiesterase 1 (Enpp1) is required for Klotho expression under phosphate overload conditions. Loss-of-function Enpp1 (ttw/ttw) mice under phosphate overload conditions exhibited phenotypes resembling human aging and Klotho mutants, such as short life span, arteriosclerosis and osteoporosis, with elevated serum 1,25(OH)2D3 levels...
August 10, 2017: Scientific Reports
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