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https://www.readbyqxmd.com/read/28922718/tanshinone-iia-protects-against-chronic-intermittent-hypoxia-induced-myocardial-injury-via-activating-the-endothelin-1-pathway
#1
Na Wang, Yue Chang, Lingling Chen, Ya-Jing Guo, Ya-Shuo Zhao, Qiu-Hong Guo, En-Sheng Ji
Tanshinone IIA (Tan IIA) may exert significant protective effects against heart oxidative stress damage in obstructive sleep apnoea (OSA) syndrome. Chronic intermittent hypoxia (CIH)-triggered left ventricular dysfunction is used in a rat model to mimic CIH in OSA patients. 48 rats were randomly divided into three groups: normal control (NC) group, CIH group and CIH+Tan IIA group with 16 rats in each group. At the end of experiment (day 21), the blood pressure, Plasma ET-1 and NO content, hemodynamic indexes, heart histology, myocardial apoptosis as well as the expression of eNOS, ET-1, ETA receptor and ETB receptor were compared among different groups...
September 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28922437/molecular-biomarkers-as-predictors-for-biliary-complications-following-liver-transplantation-a-prospective-study
#2
Bogdan Dorobantu, Irinel Popescu, Simona Dima, Anca Nastase, Speranta Iacob
BACKGROUND: The biliary complications (BC) have been always considered the "Achilles' heel" of liver transplantation (LT), being one of the leading causes of postoperative morbidity. AIM: To analyse predictors of BC, by monitoring in the peripheral blood the biomarkers involved in the inflammation and hepatic fibrosis, such as the matrix metalloproteinases (MMP 2, 9) and their tissue inhibitors (TIMP1), the interleukins (IL 2, 8), alfa-TNF, the endothelins and their receptors...
September 2017: Journal of Gastrointestinal and Liver Diseases: JGLD
https://www.readbyqxmd.com/read/28915577/vorinostat-suppresses-hypoxia-signaling-by-modulating-nuclear-translocation-of-hypoxia-inducible-factor-1-alpha
#3
Chao Zhang, Chunzhang Yang, Michael J Feldman, Herui Wang, Ying Pang, Dominic M Maggio, Dongwang Zhu, Cody L Nesvick, Pauline Dmitriev, Petra Bullova, Prashant Chittiboina, Roscoe O Brady, Karel Pacak, Zhengping Zhuang
Histone deacetylase inhibitors (HDACis) are a potent class of tumor-suppressive agents traditionally believed to exert their effects through loosening tightly-wound chromatin resulting in de-inhibition of various tumor suppressive genes. Recent literature however has shown altered intratumoral hypoxia signaling with HDACi administration not attributable to changes in chromatin structure. We sought to determine the precise mechanism of HDACi-mediated hypoxia signaling attenuation using vorinostat (SAHA), an FDA-approved class I/IIb/IV HDACi...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28914371/serum-cystatin-c-is-associated-with-kidney-function-but-not-with-cardiovascular-risk-factors-or-subclinical-atherosclerosis-in-patients-with-systemic-lupus-erythematosus
#4
Patricia Garcia-Garcia, Raquel Castejon, Pablo Tutor-Ureta, R A Silvestre, Susana Mellor-Pita, Carlos Jimenez-Ortiz, Miguel Yebra-Bango
Cystatin C (CysC) is a protein considered as an excellent marker of renal function, and it has been suggested as an independent predictor of cardiovascular (CV) risk. We evaluated the association of serum CysC with renal function, CV risk factors, inflammation, and subclinical atherosclerosis in Systemic Lupus Erythematosus (SLE) patients. Sixty-one SLE female patients were selected according to estimated glomerular filtration rate (GFR) > 60 ml/min/1.73m(2). Renal function parameters, SLE specific factors, CV risk factors, and inflammatory markers were assessed...
September 15, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28910792/inflammation-a-key-contributor-to-the-genesis-and-progression-of-chronic-kidney-disease
#5
Qi Qian
It has become apparent that inflammation and inflammatory reactions can evoke renal injury and promote chronic kidney disease (CKD) progression. Under physiological condition, intrarenal vascular distribution is heterogeneous, and medulla is hypoxic. To avoid energy deprivation in the low pO2 regions of the kidney, an array of hormones, autocoids, and vasoactive substances, including medullipin, prostaglandins, endothelins, nitric oxide, angiotensin II, kinins, and adenosine, tonically regulates the microvasculature to ensure a perfect match of the microcirculation (O2 supply) and renal tubules (O2 demand)...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28904960/mystery-of-retinal-vein-occlusion-vasoactivity-of-the-vein-and-possible-involvement-of-endothelin-1
#6
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/28904002/assessing-microvascular-function-in-humans-from-a-chronic-disease-perspective
#7
Alfons J H M Houben, Remy J H Martens, Coen D A Stehouwer
Microvascular dysfunction (MVD) is considered a crucial pathway in the development and progression of cardiometabolic and renal disease and is associated with increased cardiovascular mortality. MVD often coexists with or even precedes macrovascular disease, possibly due to shared mechanisms of vascular damage, such as inflammatory processes and oxidative stress. One of the first events in MVD is endothelial dysfunction. With the use of different physiologic or pharmacologic stimuli, endothelium-dependent (micro)vascular reactivity can be studied...
September 13, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28902818/-efficacy-of-sulodexide-in-treatment-of-chronic-venous-insufficiency-results-of-the-accord-trial
#8
V Iu Bogachev, O V Golovanova, I N Malysheva
OBJECTIVE: The purpose of our study was to evaluate both clinical and laboratory efficacy of sulodexide given at a daily dose of 500 lipasemic units (LSU) in patients presenting with class C3-C4 chronic venous insufficiency (CVI) according to the CEAP classification. PATIENTS AND METHODS: The study included a total of 25 patients diagnosed with C3-C4 CVI and prescribed to receive sulodexide at a daily dose of 500 LSU for 90 days. Efficacy was comprehensively controlled by the following tools: the disease-specific Chronic Venous Insufficiency Quality of Life Questionnaire (CIVIQ), visual-analogue methods of assessment separate symptoms; the Venous Clinical Severity Score (VCSS), as well as ultrasonographic determination of the thickness of subcutaneous fat and crural fascia...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/28902810/biochemical-markers-in-blood-serum-of-patients-undergoing-various-methods-of-carotid-endarterectomy
#9
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/28902463/renoprotective-effects-of-montelukast-in-an-experimental-model-of-cisplatin-nephrotoxicity-in-rats
#10
Amany M Gad, Ola M Abd El-Raouf, Bahia M El-Sayeh, Hala M Fawzy, Dalaal M Abdallah
Renal toxicity is one of the most severe complications that can occur with cisplatin (CIS) administration in cancer patients. Montelukast (ML) renoprotective outcome contrary to CIS-drawn nephrotoxicity remains obscure. Therefore, adult male Sprague-Dawley rats were orally given ML (10 and 20 mg/kg/day) 5 days before and after single CIS (5 mg/kg; i.p.) treatment. ML returned blood urea nitrogen, as well as serum creatinine and gamma glutamyl transferase that were elevated by CIS to normal level. The improved kidney function tests corroborated the attenuation of CIS renal injury at the microscopical level...
September 13, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28901422/association-between-endothelin%C3%A2-1-and-fibromyalgia-syndrome
#11
Seong-Su Nah, Hwayoung Lee, Yeongseon Hong, Jiyun Im, Hansol Won, Sung-Hae Chang, Hyung-Ki Kim, Jun-Tack Kwon, Hak-Jae Kim
Fibromyalgia syndrome (FMS) is characterized by widespread chronic musculoskeletal pain, stiffness and pressure hyperalgesia at soft tissue tender points. Patients with FMS may exhibit a tendency towards cold extremities and cold‑induced vasospasm. Endothelin‑1 (EDN1) is a potent vasoconstrictor that is mainly produced by endothelial cells. The present study aimed to determine whether plasma expression levels avvnd single‑nucleotide polymorphism (SNP; rs1800541) of the EDN1 gene were associated with FMS and/or any of its clinical variables...
August 29, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28898999/tweak-up-regulates-endothelin-1-system-in-mouse-and-human-endothelial-cells
#12
(no author information available yet)
No abstract text is available yet for this article.
August 1, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28898586/transcerebral-net-exchange-of-vasoactive-peptides-and-catecholamines-during-lipopolysaccharide-induced-systemic-inflammation-in-healthy-humans
#13
Ronan M G Berg, Sarah Taudorf, Damian Miles Bailey, Rasmus Holmboe Dahl, Carsten Lundby, Kirsten Møller
The systemic inflammatory response triggered by lipopolysaccharide (LPS) is associated with cerebral vasoconstriction, but the underlying mechanisms are unknown. We therefore examined whether a four-hour intravenous LPS infusion (0.3 ng kg<sup>-1</sup>) induces any changes in the transcerebral net exchange of the vasoactive peptides endothelin-1 (ET-1) and calcitonin-gene related peptide (CGRP) and catecholamines in human volunteers. Cerebral blood flow was measured by the Kety-Schmidt technique, and paired arterial-to-jugular venous blood samples were obtained for estimating the transcerebral exchange of ET-1, CGRP and catecholamines by the Fick principle in twelve volunteers before and after LPS...
September 12, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28891448/a-special-focus-on-selexipag-treatment-of-pulmonary-arterial-hypertension
#14
Louise Marqvard Sørensen, Markus Wehland, Marcus Krüger, Ulf Simonsen, Mohamed Zakaria Nassef, Manfred Infanger, Daniela Grimm
BACKGROUND: This review focuses on the treatment of pulmonary arterial hypertension (PAH) with selexipag and compares its drug-related therapeutic effects with those of prostacyclin analogues. METHODS: We searched the relevant literature and summarized the current clinical trials concerning selexipag and PAH. RESULTS: With only few cases per million, PAH is a rare disease, but when untreated it can be life threatening. PAH is linked to elevated levels of endothelin (ET-1) and decreased levels of nitric oxide (NO) and prostacyclin (PGI2)...
September 7, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28890480/effect-of-treatment-with-epoprostenol-and-endothelin-receptor-antagonists-on-the-development-of-thyrotoxicosis-in-patients-with-pulmonary-arterial-hypertension
#15
Mari Satoh, Keiko Aso, Tomotaka Nakayama, Tsutomu Saji
Thyroid disease is known to be associated with pulmonary arterial hypertension (PAH). We investigated the prevalence of thyroid disease in patients with idiopathic PAH (IPAH) or heritable PAH (HPAH), and the factors affecting the pathogenesis of thyroid disease. We retrospectively evaluated 59 patients with IPAH or HPAH who had been diagnosed with PAH before the age of 20 years. Thyrotoxicosis was detected in 12 of the 59 patients (6 patients with Graves' disease, 3 with hashitoxicosis, and 3 with silent thyroiditis) after the start of PAH treatment...
September 9, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28889107/respite-switching-to-riociguat-in-pulmonary-arterial-hypertension-patients-with-inadequate-response-to-phosphodiesterase-5-inhibitors
#16
Marius M Hoeper, Gérald Simonneau, Paul A Corris, Hossein-Ardeschir Ghofrani, James R Klinger, David Langleben, Robert Naeije, Pavel Jansa, Stephan Rosenkranz, Laura Scelsi, Ekkehard Grünig, Carmine Dario Vizza, MiKyung Chang, Pablo Colorado, Christian Meier, Dennis Busse, Raymond L Benza
A proportion of pulmonary arterial hypertension (PAH) patients do not reach treatment goals with phosphodiesterase-5 inhibitors (PDE5i). RESPITE investigated the safety, feasibility and benefit of switching from PDE5i to riociguat in these patients.RESPITE was a 24-week, open-label, multicentre, uncontrolled study. Patients in World Health Organization (WHO) functional class (FC) III, with 6-min walking distance (6MWD) 165-440 m, cardiac index <3.0 L·min(-1)·m(-2) and pulmonary vascular resistance >400 dyn·s·cm(-5) underwent a 1-3 day PDE5i treatment-free period before receiving riociguat adjusted up to 2...
September 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28886122/alteration-of-endothelin-1-mcp-1-and-chromogranin-a-in-patients-with-atrial-fibrillation-undergoing-pulmonary-vein-isolation
#17
K Lackermair, S Clauss, T Voigt, I Klier, C Summo, B Hildebrand, T Nickel, H L Estner, S Kääb, R Wakili, U Wilbert-Lampen
BACKGROUND: The relation between arrhythmias and stress is known. The aim of our current study was to elucidate whether plasma levels of previously described stress parameters are altered in highly symptomatic patients with atrial fibrillation (AF) per se and in patients undergoing ablation therapy by pulmonary vein isolation (PVI). METHODS: 96 patients with AF undergoing PVI were recruited. Plasma levels of Endothelin-1 (ET-1), MCP-1 and Chromogranin-A (CGA) were measured before and three months after ablation completed with clinical follow-up with respect to AF recurrence...
2017: PloS One
https://www.readbyqxmd.com/read/28883884/itraq-based-quantitative-proteomics-analysis-of-the-protective-effect-of-yinchenwuling-powder-on-hyperlipidemic-rats
#18
Zheyu Zhang, Wenbo Wang, Ling Jin, Xin Cao, Gonghui Jian, Ning Wu, Xia Xu, Ye Yao, Dongsheng Wang
Yinchenwuling powder (YCL) is an effective traditional Chinese medicine formula to modulate lipid levels. In this study, we established hyperlipidemic rat models and treated them with YCL. The serum concentrations of lipid, malondialdehyde (MDA), endothelin-1 (ET-1), and calcitonin gene-related peptide (CGRP) were measured. Adventitia-free vascular proteins between hyperlipidemic rats and YCL-treated rats were identified using iTRAQ-based quantitative proteomics research approach. Proteins with 1.3-fold difference were analyzed through bioinformatics, and proteomic results were verified by Western blot...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28882485/zinc-chloride-rapidly-stimulates-efflux-transporters-in-renal-proximal-tubules-of-killifish-fundulus-heteroclitus
#19
Alexander Zaremba, David S Miller, Gert Fricker
Multidrug resistance-related protein 2 (Mrp2) is an ATP-driven efflux pump at the luminal membrane in renal proximal tubules. It acts as detoxification mechanism by transporting xenobiotics and metabolic products into urine. The trace element zinc is essential for cellular growth, differentiation and survival. It modulates immune response and is used as dietary supplement. Here, we found that 0.1-10μM ZnCl2 rapidly stimulated transport of the Mrp2 probe substrate Texas Red (TR) in isolated killifish renal proximal tubules, which provide an established model system to measure efflux transporter activity by using fluorescent probe substrates, confocal microscopy and image analysis...
September 4, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28882114/associations-of-genetic-variants-of-endothelin-with-cardiovascular-complications-in-patients-with-renal-failure
#20
Chih-Chin Kao, Shih-Ying Cheng, Mei-Yi Wu, Shu-Chen Chien, Hsing-Fang Lu, Yu-Wen Hsu, Yan-Feng Zhang, Mai-Szu Wu, Wei-Chiao Chang
BACKGROUND: Cardiovascular (CV) complications are the main cause of death in end-stage renal disease (ESRD) patients. The high CV risks are attributable to the additive effects of multiple factors. Endothelin (EDN) is a potent vasoconstrictor and plays a role in regulating vascular homeostasis. However, whether variants of the EDN gene are associated with risks of CV events is not known. We conducted a study to investigate associations of variants of the EDN gene with CV events in ESRD patients...
September 7, 2017: BMC Nephrology
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