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Endothelial function diet

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https://www.readbyqxmd.com/read/28097087/identification-of-the-vascular-endothelial-growth-factor-signalling-pathway-by-quantitative-proteomic-analysis-of-rat-condylar-cartilage
#1
Liting Jiang, Yinyin Xie, Li Wei, Qi Zhou, Xing Shen, Xinquan Jiang, Yiming Gao
Angiogenesis mediated by vascular endothelial growth factor (VEGF) is known to play an important role in regulating cartilage remodelling and endochondral ossification. However, the details of how VEGF signalling mechanisms affect condyle remodelling in response to alterations in functional loading remains unclear. To explore this, eighty 16-day-old male SD rats were divided into two equal groups which were fed either a soft/powdery diet or a hard diet for 4 weeks; the stiffness of the diet results in alteration of mastication force and hence temporomandibular joint (TMJ) development...
January 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28096131/nutrition-micrornas-and-human-health
#2
REVIEW
Juan Cui, Beiyan Zhou, Sharon A Ross, Janos Zempleni
MicroRNAs (miRs) hybridize with complementary sequences in mRNA and silence genes by destabilizing mRNA or preventing translation of mRNA. Over 60% of human protein-coding genes are regulated by miRs, and 1881 high-confidence miRs are encoded in the human genome. Evidence suggests that miRs not only are synthesized endogenously, but also might be obtained from dietary sources, and that food compounds alter the expression of endogenous miR genes. The main food matrices for studies of biological activity of dietary miRs include plant foods and cow milk...
January 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28088517/osborne-mendel-rats-simultaneously-develop-cardiac-and-renal-dysfunction-left-atrial-thrombosis-peripheral-artery-occlusion-and-ascending-aortic-dissection
#3
Makoto Asahina, Hideki Matsumoto, Yoshitaka Yasuhara, Noriko Suzuki, Ritsuko Takami, Michiyasu Takeyama, Ryuichi Tozawa
Although chronic kidney disease (CKD) is strongly associated with onsets of cardiovascular disease (CVD), the pathogenic mechanism between these diseases has not been fully understood. To develop and validate new therapeutic strategies for this complication, appropriate experimental models that reflect the complexity of the underlying pathophysiology are needed. The Osborne-Mendel (OM) rat was identified as an atherosclerosis-prone and a premature-death rat strain among 16 inbred rat strains when fed high-cholesterol containing diet...
January 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28069582/human-apolipoprotein-a-i-exerts-a-prophylactic-effect-on-high-fat-diet-induced-atherosclerosis-via-inflammation-inhibition-in-a-rabbit-model
#4
Jiyang Li, Weina Wang, Lei Han, Meiqing Feng, Hui Lu, Li Yang, Xiangxiang Hu, Si Shi, Shanshan Jiang, Qian Wang, Li Ye
Apolipoprotein A-I (apoA-I) is the major functional protein fraction of high-density lipoprotein. The prophylactic effect and mechanism of human apoA-I on atherosclerosis (AS) were investigated in a high-fat diet-induced AS rabbit model. The rabbits were injected with apoA-I once a week while fed high-fat diet for 20 weeks. Our results showed that apoA-I could raise the serum level of high-density lipoprotein-cholesterol and reduce those of lipid total cholesterol, triglyceride, and low-density lipoprotein-cholesterol in AS rabbits...
January 8, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28068359/docosahexaenoic-acid-supplemented-diet-influences-the-orchidectomy-induced-vascular-dysfunction-in-rat-mesenteric-arteries
#5
Diva M Villalpando, Rocío Navarro, Lara Del Campo, Carlota Largo, David Muñoz, María Tabernero, Ramiro Baeza, Cristina Otero, Hugo S García, Mercedes Ferrer
Over the past few decades, the cardiovascular benefits of a high dietary intake of long-chain polyunsaturated fatty acids (PUFAs), like docosahexaenoic acid (DHA), have been extensively studied. However, many of the molecular mechanisms and effects exerted by PUFAs have yet to be well explained. The lack of sex hormones alters vascular tone, and we have described that a DHA-supplemented diet to orchidectomized rats improve vascular function of the aorta. Based on these data and since the mesenteric artery importantly controls the systemic vascular resistance, the objective of this study was to analyze the effect of a DHA-supplemented diet on the mesenteric vascular function from orchidectomized rats...
2017: PloS One
https://www.readbyqxmd.com/read/28066800/cd36-deficiency-impairs-the-small-intestinal-barrier-and-induces-subclinical-inflammation-in-mice
#6
Vincenza Cifarelli, Stoyan Ivanov, Yan Xie, Ni-Huiping Son, Brian T Saunders, Terri A Pietka, Trevor M Shew, Jun Yoshino, Sinju Sundaresan, Nicholas O Davidson, Ira J Goldberg, Andrew E Gelman, Bernd H Zinselmeyer, Gwendalyn J Randolph, Nada A Abumrad
BACKGROUND & AIMS: CD36 has immuno-metabolic actions and is abundant in the small intestine on epithelial, endothelial and immune cells. We examined the role of CD36 in gut homeostasis using mice null for CD36 (CD36KO) and with CD36 deletion specific to enterocytes (Ent-CD36KO) or endothelial cells (EC-CD36KO). METHODS: Intestinal morphology was evaluated using immunohistochemistry and electron microscopy (EM). Intestinal inflammation was determined from neutrophil infiltration and expression of cytokines, toll-like receptors and COX-2...
January 2017: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28055105/restoration-of-perivascular-adipose-tissue-function-in-diet-induced-obese-mice-without-changing-bodyweight
#7
Ning Xia, Sabrina Weisenburger, Egon Koch, Martin Burkart, Gisela Reifenberg, Ulrich Förstermann, Huige Li
BACKGROUND AND PURPOSE: We have recently shown that a reduced function of endothelial nitric oxide synthase (eNOS) in the perivascular adipose tissue (PVAT) contributes crucially to obesity-induced vascular dysfunction in mice. The current study was conducted to test the hypothesis that vascular dysfunction in obesity can be reversed by in vivo improvement of PVAT eNOS activity. EXPERIMENTAL APPROACH: Male C57BL/6 J mice were fed a high-fat diet (HFD) for 22 weeks to induce obesity...
January 5, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28017776/nobiletin-inhibits-oxidized-ldl-mediated-expression-of-tissue-factor-in-human-endothelial-cells-through-inhibition-of-nf-kb
#8
Plinio Cirillo, Stefano Conte, Giovanni Cimmino, Grazia Pellegrino, Francesca Ziviello, Giusi Barra, Ferdinando Carlo Sasso, Francesco Borgia, Raffaele De Palma, Bruno Trimarco
INTRODUCTION: Flavonoids are nutrients usually included in human diet with several significant biological activities. Nobiletin is a flavonoid that, besides having anti-inflammatory and anti-tumoral activity, seems to exert protective effects on cardiovascular system. Several studies investigated nobiletin as a natural drug to antagonize the atherosclerotic disease. On the contrary, literature about its potential role in modulating the main acute complication of atherosclerosis, thrombosis, is still scanty...
December 22, 2016: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28017665/advanced-atherosclerosis-is-associated-with-inflammation-vascular-dysfunction-and-oxidative-stress-but-not-hypertension
#9
Quynh N Dinh, Sophocles Chrissobolis, Henry Diep, Christopher T Chan, Dorota Ferens, Grant R Drummond, Christopher G Sobey
Although hypertension may involve underlying inflammation, it is unknown whether advanced atherosclerosis - a chronic inflammatory condition - can by itself promote hypertension. We thus tested if advanced atherosclerosis in chronically hypercholesterolemic mice is associated with systemic and end-organ inflammation, vascular dysfunction and oxidative stress, and whether blood pressure is higher than in control mice. Male ApoE(-/-) and wild-type (C57Bl6J) mice were placed on a high fat or chow diet, respectively, from 5 to 61 weeks of age...
December 23, 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28006934/hypertriglyceridemic-rats-fed-high-fat-diet-as-a-model-of-metabolic-syndrome
#10
B Kaprinay, B Lipták, L Slovák, K Švík, V Knezl, R Sotníková, Z Gáspárová
People with metabolic syndrome have higher risk of cardiovascular diseases then those without. The aim of the work was to investigate whether high fat diet administered to Prague hereditary hypertriglyceridemic (HTG) rats can induce signs of metabolic syndrome (MetS). Our results showed that HTG rats fed high fat diet (HTGch) had disturbed glucose metabolism and also lipid metabolism - increased serum triacylglycerols (TAG), total cholesterol (Ch), low-density lipoprotein-Ch (LDL-Ch), and decreased high-density lipoprotein-Ch (HDL-Ch)...
December 21, 2016: Physiological Research
https://www.readbyqxmd.com/read/28002533/smoking-associated-nodular-glomerulosclerosis-a-rare-renal-pathology-resembling-diabetic-nephropathy-case-report
#11
Andreea Gabriella Andronesi, Gener Ismail, Andreea Cătălina Fetecău, Mihaela Gherghiceanu, George Mitroi, Mihai Cristian Hârza
INTRODUCTION: Smoking is an important risk factor not only for cardiovascular and pulmonary diseases, but also for the progression of chronic kidney disease of different etiologies. Nodular glomerulosclerosis is a renal pathology pattern, which was described in different kidney conditions, especially diabetic nephropathy. A very rare association among smoking, hypertension and nodular mesangial glomerulosclerosis has been recently described. CASE PRESENTATION: In this paper, we present the case of a non-diabetic male patient referred to our Department for advanced chronic kidney disease and nephrotic syndrome...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/27998825/hematopoietic-arginase-1-deficiency-results-in-decreased-leukocytosis-and-increased-foam-cell-formation-but-does-not-affect-atherosclerosis
#12
Baoyan Ren, Erik Van Kampen, Theo J C Van Berkel, Sheena M Cruickshank, Miranda Van Eck
BACKGROUND AND AIMS: Arginase1 (Arg1), an M2 macrophage marker, plays a critical role in a number of immunological functions in macrophages, which are the main cell type facilitating atherosclerotic lesion development. Arg1 uses the substrate l-arginine to create l-ornithine, a precursor molecule required for collagen formation and vascular smooth muscle cell differentiation. By reducing l-arginine availability, Arg1 limits the production of nitric oxide (NO), a pro-atherogenic factor in macrophages...
November 16, 2016: Atherosclerosis
https://www.readbyqxmd.com/read/27993833/nkx2-5-is-expressed-in-atherosclerotic-plaques-and-attenuates-development-of-atherosclerosis-in-apolipoprotein-e-deficient-mice
#13
Meng Du, Xiaojing Wang, Xin Tan, Xiangrao Li, Dandan Huang, Kun Huang, Liu Yang, Fengxiao Zhang, Yan Wang, Dan Huang, Kai Huang
BACKGROUND: NK2 homeobox 5 (Nkx2-5) is a cardiac homeobox transcription factor that is expressed in a broad range of cardiac sublineages. Embryos lacking Nkx2-5 are nonviable attributed to growth retardation and gross abnormalities of the heart. However, the role of Nkx2-5 in atherosclerosis remains elusive. This study aims to elucidate the specific functions of Nkx2-5 during atherogenesis and in established atherosclerotic plaques. METHODS AND RESULTS: Two types of atherosclerotic lesions were created in ApoE(-/-) mice through 2 different dietary manipulations...
December 19, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27976498/insulin-treatment-restores-islet-microvascular-vasomotion-function-in-diabetic-mice
#14
Mingming Liu, Xiaoyan Zhang, Ailing Li, Xu Zhang, Bing Wang, Bingwei Li, Shuying Liu, Hongwei Li, Ruijuan Xiu
BACKGROUND: Microcirculation plays an important role in the pathogenesis of diabetes and its complications. We hypothesize that pancreatic-islet microvascular vasomotion as a parameter of functional status of pancreatic-islet microcirculation is abnormal in diabetic mice and insulin treatment might restore that dysfunction. METHODS: Mice were divided into non-diabetic control, untreated diabetic and diabetic treated with insulingroups (n = 6 in each group) randomly...
December 15, 2016: Journal of Diabetes
https://www.readbyqxmd.com/read/27965912/impact-of-lifestyle-intervention-on-hdl-induced-enos-activation-and-cholesterol-efflux-capacity-in-obese-adolescent
#15
Jenny Wesnigk, Luc Bruyndonckx, Vicky Y Hoymans, Ann De Guchtenaere, Tina Fischer, Gerhard Schuler, Christiaan J Vrints, Volker Adams
Background. Endothelial dysfunction occurs in obese children and adolescent and is regarded as a key step in the development of atherosclerosis. Important components for the development of endothelial dysfunction are reduced activity of endothelial nitric oxide synthase (eNOS) and an increase in cholesterol deposition in the vessel wall, due to reduced reverse cholesterol transport (RCT) activity. High density lipoprotein (HDL) exhibits antiatherosclerotic properties including modulation of eNOS activity and cholesterol efflux capacity...
2016: Cardiology Research and Practice
https://www.readbyqxmd.com/read/27941804/resveratrol-rescues-hyperglycemia-induced-endothelial-dysfunction-via-activation-of-akt
#16
Jin-Yi Li, Wei-Qiang Huang, Rong-Hui Tu, Guo-Qiang Zhong, Bei-Bei Luo, Yan He
Resveratrol (RSV), a phytoalexin, has shown to prevent endothelial dysfunction and reduce diabetic vascular complications and the risk of cardiovascular diseases. The aim of this study was to investigate the signaling mechanisms underlying the protecting effects of RSV against endothelial dysfunction during hyperglycemia in vitro and in vivo. Human umbilical vein endothelial cells (HUVECs) were treated with RSV, and then exposed to high glucose (HG, 30 mmol/L). Akt-Ser473 phosphorylation, eNOS-Ser1177 phosphorylation, and PTEN protein levels in the cells were detected using Western blot...
December 12, 2016: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/27940955/increased-vascular-permeability-measured-with-an-albumin-binding-magnetic-resonance-contrast-agent-is-a-surrogate-marker-of-rupture-prone-atherosclerotic-plaque
#17
Alkystis Phinikaridou, Marcelo E Andia, Begoña Lavin, Alberto Smith, Prakash Saha, René M Botnar
BACKGROUND: Compromised structural integrity of the endothelium and higher microvessel density increase vascular permeability. We investigated whether vascular permeability measured in vivo by magnetic resonance imaging using the albumin-binding contrast agent, gadofosveset, is a surrogate marker of rupture-prone atherosclerotic plaque in a rabbit model. METHODS AND RESULTS: New Zealand white rabbits (n=10) were rendered atherosclerotic by cholesterol-diet and endothelial denudation...
December 2016: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/27940206/hydroxytyrosol-ameliorates-metabolic-cardiovascular-and-liver-changes-in-a-rat-model-of-diet-induced-metabolic-syndrome-pharmacological-and-metabolism-based-investigation
#18
Hemant Poudyal, Nikolaos Lemonakis, Panagiotis Efentakis, Evangelos Gikas, Maria Halabalaki, Ioanna Andreadou, Leandros Skaltsounis, Lindsay Brown
Metabolic syndrome is a clustering of interrelated risk factors for cardiovascular disease and diabetes. The Mediterranean diet has been proposed as an important dietary pattern to confer cardioprotection by attenuating risk factors of metabolic syndrome. Hydroxytyrosol (HT) is present in olive fruit and oil, which are basic constituents of the Mediterranean diet. In this study, we have shown that treatment with HT (20mg/kg/d for 8 weeks) decreased adiposity, improved impaired glucose and insulin tolerance, improved endothelial function with lower systolic blood pressure, decreased left ventricular fibrosis and resultant diastolic stiffness and reduced markers of liver damage in a diet-induced rat model of metabolic syndrome...
December 8, 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/27934558/fibroblast-growth-factor-23-in-postrenal-transplant-an-often-forgotten-hormone
#19
Fateme Shamekhi Amiri, Mohammad Reza Khatami
Fibroblast growth factor 23 is likely to be the most important regulator of phosphate homeostasis, which mediates its functions through fibroblast growth factor receptors and the coreceptor Klotho. In addition to reducing expression of the sodium-phosphate cotransporters NPT2a and NPT2c in the proximal tubules, fibroblast growth factor 23 inhibits renal 1α-hydroxylase and stimulates 24-hydroxylase and appears to reduce parathyroid hormone secretion in short-term studies. Fibroblast growth factor 23 synthesis and secretion by osteocytes and osteoblasts are upregulated through 1,25-dihydroxyvitamin D3 and through an increased dietary phosphate intake...
December 2016: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/27932239/the-therapeutic-effect-of-rosuvastatin-and-propylthiouracil-on-ameliorating-high-cholesterol-diet-induced-rabbit-aortic-atherosclerosis-and-stiffness
#20
Pao-Yuan Lin, Fan-Yen Lee, Christopher Glenn Wallace, Kuan-Hung Chen, Gour-Shenq Kao, Pei-Hsun Sung, Sarah Chua, Sheung-Fat Ko, Yung-Lung Chen, Shun-Cheng Wu, Hsueh-Wen Chang, Hon-Kan Yip, Pei-Lin Shao
BACKGROUND: We tested the hypothesis that arteriosclerosis-augmented aortic pulse wave velocity (PWV) and -impaired vasorelaxation were attenuated by rosuvastatin (Rosu) and propylthiouracil (PTU) therapy. METHODS AND RESULTS: Thirty-two New Zealand rabbits were equally divided into group 1 (sham-control), group 2 [high-cholesterol-diet (HCD) for 8weeks], group 3 [HCD-Rosu (20mg/kg/day administration after 4-week HFD for 4weeks)], and group 4 [HCD-PTU (0.1% PTU in drinking water), the treatment course as group 3]...
January 15, 2017: International Journal of Cardiology
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