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Clinical and Experimental Hypertension: CHE

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https://www.readbyqxmd.com/read/29787310/decreased-expression-of-na-h-exchanger-isoforms-1-and-3-in-denervated-spontaneously-hypertensive-rat-kidney
#1
Jianling Li, Qiaoling He, Qingjie Li, Rongjie Huang, Xiaoyan Wei, Xiaofeng Pan, Weifeng Wu
To determine whether the sympathetic nerve plays a role in the regulation of Na+ -H+ exchange (NHE) in the kidney of spontaneously hypertensive rats (SHR), we investigated the expression of NHE and NHE regulatory protein family (NHERF) in the denervated kidneys compared with intact kidneys. Twelve-week-old male SHR and age-matched Wistar Kyoto (WKY) rats were used. SHR were randomly assigned to the renal denervated (RDNX, n = 8) or Sham (n = 8) groups. The protein and mRNA expression of NHE1, NHE3, NHERF1 and NHERF2 were assessed in the kidney of the groups...
May 22, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29787292/signature-microrna-expression-profile-is-associated-with-spontaneous-hypertension-in-african-green-monkey
#2
Xiaojun Zhou, Jin Wang, Yunzhi Fa, Huahu Ye
Chlorocebus aethiops sabaeus, the African Green monkey (AGM), has been proved to exhibit renal vascular remodeling and spontaneous hypertension. However, little is known about the roles of microRNAs (miRNAs) in this process.Using small RNA deep sequencing, we compared the plasma miRNA expression patterns between hypertensive (HT) AGMs and normotensive (NT) AGMs. Expression of miRNAs (miR-122, miR-339, miR-296-5p) was validated independently in plasma samples from 10 HT AGMs and 10 NT AGMs (fold changes are 2...
May 22, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29781736/comparison-of-real-world-effectiveness-between-valsartan-and-non-ras-inhibitor-monotherapy-on-the-incidence-of-new-diabetes-in-chinese-hypertensive-patients-an-electronic-health-recording-system-based-study
#3
Tian Shen, Jiwei Wang, Yingjun Yu, Jinming Yu
This study aimed to compare the real-world effectiveness of valsartan and non renin-angiotensin system (non-RAS) agent monotherapy on the incidence of new on-set diabetes (NOD) in Chinese hypertensive patients. It was based on an electronic Health Recording System database from Minhang District of Shanghai. Hypertensive patients aged ≥18 years continuously taking either valsartan or non-RAS agent monotherapy for >12 months were included. Hazard ratios (HR) of NOD events were estimated using propensity score matching method and multivariate regression...
May 21, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29781735/protein-kinase-d-was-involved-in-vascular-remodeling-in-spontaneously-hypertensive-rats
#4
Jing Geng, Zhuo Zhao, Le Yang, Mingwei Zhang, Xiangjuan Liu
The present study was designed to determine the role of PKD in vascular remodeling (VR) in Spontaneously hypertensive rats (SHRs). Increased SBP, VR and PKD activation were prominent in SHRs. The SBP has a positive correlation with the activation of PKD in SHRs. The ratio of media to lumen (MT/LD), volume fraction of collagen (VFC), hydroxyproline, IL-6, TNF-α and nitrotyrosine content were significantly related to the activated PKD. It may be concluded that PKD plays a central role in VR, and the mechanism may be related to its regulation of hypertrophy, fibrosis, inflammation and oxidative stress...
May 21, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29781721/current-prescription-status-of-antihypertensive-drugs-in-japanese-patients-with-hypertension-analysis-by-type-of-comorbidities
#5
Takayuki Ishida, Akinori Oh, Shinzo Hiroi, Yukio Shimasaki, Takuya Tsuchihashi
In 2014, the Japanese Society of Hypertension (JSH) issued revised guidelines for hypertension management. To assess adherence to the guidelines, this retrospective study evaluated the real-world status of antihypertensive drug prescribing for Japanese patients with hypertension, classified by comorbidity: diabetes mellitus, dyslipidemia, gout/hyperuricemia and renal diseases. Data on 59,867 hypertensive patients who received their first prescription for antihypertensive therapy between April 2014 and March 2015, were obtained from a medical insurance claims database for hospitals participating in the Diagnosis Procedure Combination/Per-Diem payment system...
May 21, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29771623/effects-of-an-ethanolic-extract-of-mulberry-fruit-on-blood-pressure-and-vascular-remodeling-in-spontaneous-hypertensive-rats
#6
Sang Woong Park, Kyung Chul Shin, Soon-Kyu Yoou, Hyun Ji Park, Seo Hyeon Eun, Young Min Bae, Hyang Mi Lee, Han-Jung Chae, Soo-Wan Chae, Bok Hee Choi
Mulberry (Morus alba) has been used in traditional oriental medicine since ages. Recently, it has been reported that mulberry produces hypotensive effects through the eNOS signaling pathway. However, the mechanism underlying the hypotensive effects of mulberry is not entirely clear. Moreover, the effects of mulberry on vascular remodeling events such as hyperplasia, an important etiology in the pathogenesis of hypertension and arteriosclerosis, are also ambiguous. Here, we hypothesized that an ethanolic extract of mulberry fruit (EMF) has beneficial effects on vascular remodeling and produces hypotensive effects...
May 17, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29771604/association-of-the-placental-vegf-promoter-polymorphisms-and-vegf-mrna-expression-with-preeclampsia
#7
Farshid Keshavarzi, Mahnaz Shahrakipoor, Batool Teimoori, Minoo Yaghmaei, Mehrnaz Narooei-Nejad, Ava Rasooli, Saeedeh Salimi
BACKGROUND: Preeclampsia (PE), is a pregnancy-specific complication with the placental origin which associated with altered expression of angiogenic factors. Vascular Endothelial Growth Factor (VEGF), is a growth and hypoxia-induced factor which contributes to the regulation of various processes. The present study has investigated the association of the placental VEGF -634G/C (rs2010963), -1154G/A (rs1570360), and -2549 I/D (18bpindel) polymorphisms in the promoter region with VEGF mRNA expression in PE women and control group...
May 17, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29764227/responsiveness-of-%C3%AE-2-adrenoceptor-i1-imidazoline-receptor-in-the-rostral-ventrolateral-medulla-to-cardiovascular-regulation-is-enhanced-in-conscious-spontaneously-hypertensive-rat
#8
Masanobu Yamazato, Minori Nakamoto, Atsushi Sakima, Yoriko Yamazato, Shuichi Takishita, Yusuke Ohya
Stimulation of α2-adrenoceptor/I1-imidazoline receptors in the rostral ventrolateral medulla decreases the blood pressure via sympathoinhibition. However, alteration of receptor responses in genetically hypertensive rats remains unclear. We examined cardiovascular responses of α2-adrenoceptor/I1-imidazoline receptor agonist and antagonists microinjected into the rostral ventrolateral medulla of conscious spontaneously hypertensive rats and normotensive Wistar Kyoto rats. Injection of 2-nmol clonidine-an α2-adrenoceptor/I1-imidazoline receptor agonist-unilaterally into the rostral ventrolateral medulla decreased the blood pressure, heart rate, and renal sympathetic nerve activity; the responses were significantly enhanced in spontaneously hypertensive rats than in Wistar Kyoto rats...
May 15, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29750583/the-association-of-pri-mirna-26a1-rs7372209-polymorphism-and-preeclampsia-susceptibility
#9
Fatemeh Eskandari, Mahnaz Rezaei, Abbas Mohammadpour-Gharehbagh, Batool Teimoori, Minoo Yaghmaei, Mehrnaz Narooei-Nejad, Saeedeh Salimi
MicroRNAs (miRNAs) are a class of noncoding small RNAs which regulate gene expression through post-transcriptional repression or degradation of messenger RNA. They play very important roles in various biological processes including growth, differentiation, and proliferation, as well as apoptosis, angiogenesis, and metabolism. Therefore, in the present study, we evaluated the possible effect of functional rs7372209C/T polymorphism in the 5'- region of pri-miRNA- 26a1gene on preeclampsia(PE) susceptibility. This case-control study was conducted on 219 PE women and 204 unrelated healthy controls...
May 11, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29737880/new-non-invasive-indexes-of-arterial-stiffness-are-significantly-correlated-with-severity-and-complexity-of-coronary-atherosclerosis
#10
Hiroshi Doi, Tomoaki Ishigami, Rie Nakashima-Sasaki, Tabito Kino, Lin Chen, Kentaro Arakawa, Sae Teranaka, Shintaro Minegishi, Kaito Abe, Toshiyuki Ishikawa, Teruyasu Sugano, Kouichi Tamura
BACKGROUND: Endothelial dysfunction and increased arterial stiffness gradually develop before the manifestation of catastrophic cardiovascular events. Therefore, detection and assessment of vascular function are required to address pre-existing pathological conditions. However, the currently available diagnostic devices and methods are insufficient due to variability among investigators and the time-consuming nature of manual procedures. METHODS: Recently, novel devices were developed for the detection of both arterial stiffness and endothelial dysfunction in a single blood pressure measurement using a cuff-oscillometric technique (AVE-1500, Shisei Datum, Japan)...
May 8, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29694250/hypertension-risk-factors-and-coronary-artery-stenosis-a-case-control-study
#11
Zahra Sedaghat, Mohammadjavad Zibaeenejad, Mohammad Fararouei
Although hypertension is introduced as a major risk factor for cardiovascular diseases (CVDs), our knowledge about the nature of the association is hindered. The aim of this study was to assess the concurrent associations of several factors including serologic, anthropometric and coronary artery stenosis (CAS) with blood pressure. This is a case-control study on 163 hypertensive patients (SBP > 140 mmHg or DBP > 80 mmHg) and 227 healthy participants. All participants underwent angiography due to classic symptoms of CVDs...
April 25, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29694249/olmesartan-combined-with-renal-denervation-reduces-blood-pressure-in-association-with-sympatho-inhibitory-and-aldosterone-reducing-effects-in-hypertensive-mice-with-chronic-kidney-disease
#12
Masaaki Nishihara, Ko Takesue, Yoshitaka Hirooka
BACKGROUND: Augmented sympathetic nerve activity (SNA) and renin-angiotensin-aldosterone system (RAAS) activity are involved in the pathogenesis of hypertension (HT) accompanied by chronic kidney disease (CKD). Oxidative stress in the hypothalamus increases SNA in HT. Administration of an angiotensin ΙΙ receptor blocker (olmesartan; OLM) or renal denervation (RDN) exerts an antihypertensive effect in HT with CKD; however, the precise mechanisms of the combination therapy are not fully elucidated...
April 25, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29683729/is-tinnitus-an-early-voice-of-masked-hypertension-high-masked-hypertension-rate-in-patients-with-tinnitus
#13
Taylan Gun, Selçuk Özkan, Bunyamin Yavuz
OBJECTIVES: Tinnitus is hearing a sound without any external acoustic stimulus. There are some clues of hypertension can cause tinnitus in different ways. The aim of the study was to evaluate the relationship between tinnitus and masked hypertension including echocardiographic parameters and severity of tinnitus. METHODS: This study included 88 patients with tinnitus of at least 3 months duration and 85 age and gender-matched control subjects. Tinnitus severity index was used to classify the patients with tinnitus...
April 23, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29672186/atherosclerosis-of-the-carotid-bulb-is-associated-with-the-severity-of-orthostatic-hypotension-in-non-diabetic-adult-patients-a-cross-sectional-study
#14
Yusuke Kobayashi, Hiroaki Ishiguro, Tetsuya Fujikawa, Hideo Kobayashi, Koichiro Sumida, Minako Kagimoto, Yuki Okuyama, Yosuke Ehara, Mari Katsumata, Megumi Fujita, Akira Fujiwara, Sanae Saka, Keisuke Yatsu, Nobuhito Hirawa, Yoshiyuki Toya, Gen Yasuda, Satoshi Umemura, Kouichi Tamura
BACKGROUND: The carotid bulb has a high density of baroreceptors that play an important role in maintaining blood pressure. We hypothesized that atherosclerosis of the carotid bulb would reflect the severity of orthostatic hypotension more accurately than would atherosclerosis of other carotid artery segments. METHODS: This cross-sectional study included 198 non-diabetic adults. We measured the cardio-vascular ankle index as an index of arterial stiffness, intima-media thickness in each carotid artery segment (internal carotid artery, carotid bulb, distal and proximal portions, respectively, of the common carotid artery) as a measure of atherosclerosis, and heart rate variability as a measure of cardiac autonomic function...
April 19, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29672166/the-effect-of-leech-extracts-on-endothelial-cell-coagulation-related-factors-and-endothelial-dysfuction-related-molecules
#15
Lixu Xu, Xue Li, E Zhang, Hao Liang, Weiting Li, Shangyi Wang, Shuliang Song, Aiguo Ji
OBJECTIVE: This study was focused on screening leech extracts to identify those with little or no anti-coagulation effect or with significant anti-endothelial dysfunction activity. METHODS: Different leech extracts were prepared by enzymolysis and microbial transformation and their cytotoxicity were measured by MTT assay. The effect of different leech extracts on mRNA expression of coagulation-related factors (PAI, vWF, tPA, PS, TFPI, TM) was quantified by RT-PCR...
April 19, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29667441/long-term-consumption-of-western-diet-contributes-to-endothelial-dysfunction-and-aortic-remodeling-in-rats-implication-of-rho-kinase-signaling
#16
Rania A Elrashidy, Jing Zhang, Guiming Liu
Western diet (WD), rich in saturated fat and sugars, has become a risk factor for obesity and metabolic syndrome, however, its effect on endothelial function and vascular remodeling is not fully elucidated. Recent evidence suggests cross-talk between Rho kinase (ROCK) pathway and cardiovascular system. We aimed to investigate the effect of WD on aortic remodeling and the contribution of ROCK signaling. Eight week old male Sprague-Dawley rats were fed either standard chow diet (SD) or high fructose/ high-fat diet, typically as in WD...
April 18, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29652188/serum-concentrations-of-apelin-17-isoform-vary-in-accordance-to-blood-pressure-categories-in-individuals-with-obesity-class-3
#17
Luis Javier Cano Martínez, Ramón Mauricio Coral Vázquez, Juan Pablo Méndez, Silvia Trejo, Juan Carlos Pérez Razo, Patricia Canto
BACKGROUND: The aim of this study was to investigate if serum concentrations of apelin-36, apelin-17, apelin-13 or apelin-12 were different in obesity class 3 individuals with hypertension, when compared to those without hypertension (normal or high-normal). SUBJECTS AND METHODS: Twenty six individuals with obesity class 3-related hypertension and thirty three individuals without hypertension, who were divided in individuals with normal (n = 23) or with high-normal (n = 10) blood pressure (BP) were analyzed...
April 13, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29634378/effect-of-intensive-versus-standard-blood-pressure-control-on-major-adverse-cardiac-events-and-serious-adverse-events-a-bivariate-analysis-of-randomized-controlled-trials
#18
Gerald Chi, Adeel Jamil, Umer Jamil, Muhammad A Balouch, Jolanta Marszalek, Farima Kahe, Shaghayegh Habibi, Miroslav Radulovic
BACKGROUND: Intensive blood pressure (BP) lowering may offer protective effects against major adverse cardiac event (MACE) but is also associated with a greater risk of a serious adverse event (SAE). The risk-benefit profile of intensive versus standard BP control has not been comprehensively assessed. METHODS: Four studies were identified from a systematic literature search for randomized controlled trials comparing intensive versus standard BP lowering that reported both MACE and SAE endpoints...
April 10, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29624472/efficacy-and-safety-of-baroreflex-activation-therapy-for-treatment-of-resistant-hypertension-a-systematic-review-and-meta-analysis
#19
Wang Chunbin, Shiquan Fu, Huang Jing
To provide definite evidence for the anti-hypertensive benefit of Baroreflex Activation Therapy (BAT) for resistant hypertension, we performed a systematic review and meta-analysis to evaluate the efficacy and safety of BAT. Electronic searches were conducted in PubMed, EMBASE, The Cochrane Library and Web of Science. Two reviewers independently determined the eligibility of studies and extracted the data. The quality of all included studies was evaluated by the use of the Newcastle Ottawa Scale (NOS). Disagreements were settled through discussion...
April 6, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29595329/sacubitril-and-valsartan-protect-from-experimental-myocardial-infarction-by-ameliorating-oxidative-damage-in-wistar-rats
#20
Mohd Imran, Md Quamrul Hassan, Md Sayeed Akhtar, Obaid Rahman, M Akhtar, Abul Kalam Najmi
BACKGROUND: Sacubitril (SAC), a neprilysin inhibitor prevent degradation of neprilysin and activate cGMP signaling pathways leading to rise in blood volume concurrent to blood pressure by means of vasoactive peptides, adrenomedullin, and bradykinin. OBJECTIVE: The aim of this study was to evaluate the anti-ischemic effects of SAC through inhibiting neprilysin in isoproterenol (ISO) induced myocardial infarction (MI) in Wistar albino rats. ISO (85 mg/kg) was injected subcutaneously at the end of 14 days pre-treatment with SAC and valsartan (VAL)...
March 29, 2018: Clinical and Experimental Hypertension: CHE
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