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https://www.readbyqxmd.com/read/28743130/sglt-2-inhibition-a-potential-new-treatment-for-diabetic-kidney-disease
#1
Robert D Toto
Diabetic nephropathy is the leading cause of kidney failure. Treatments with drugs that block the renin-angiotensin system have proven beneficial in slowing kidney disease progression among those with diabetes; their benefit is limited and they do not stop disease progression. Despite multiple clinical trials of various interventions including dual blockade of the renin-angiotensin system over the past 15 years, no new therapies have emerged to slow kidney disease progression in diabetes. SGLT-2 inhibitors are a new class of antiglycemic drugs that have been shown to lower blood glucose by inhibition of the sodium-glucose transporter 2 in the proximal tubule of the kidney...
July 26, 2017: Nephron
https://www.readbyqxmd.com/read/28740651/renin-angiotensin-system-inhibitors-a-panacea-for-heart-disease
#2
EDITORIAL
Karim M Al-Azizi, Kimberly A Skelding
No abstract text is available yet for this article.
June 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28740628/impact-of-high-fat-diet-and-hypoxia-on-the-serum-levels-of-main-vasoconstrictors-in-male-rabbits
#3
Ali Aliyev, Magid Seyedghodraty, Mustafa Mohammadi, Fariba Mirzaei, Marzieh Marahem
Introduction: During atherosclerosis process, vasoconstriction phenomenon occurs which in turn leads to tissue hypoxia. A few studies have been performed on the combination of atherosclerosis and hypoxia as stressors that may accelerate secretion of constrictors. The aim of present study was to evaluate the effects of atherosclerosis and hypoxia on serum levels of main vasoconstrictors (epinephrine, norepinephrine and renin). Methods: In this interventional study, 32 New Zealand white rabbits were randomly divided into four groups (n = 8): normal diet (control group), normal diet exposed to hypoxia (11%, 10 days), high-fat diet (cholesterol-2%, 8 weeks), and high-fat diet with hypoxia...
2017: Journal of Cardiovascular and Thoracic Research
https://www.readbyqxmd.com/read/28740597/is-hepatic-steatosis-associated-with-left-ventricular-mass-index-increase-in-the-general-population
#4
Katharina Piontek, Carsten O Schmidt, Sebastian E Baumeister, Markus M Lerch, Julia Mayerle, Marcus Dörr, Stephan B Felix, Henry Völzke
AIM: To investigate the association between hepatic steatosis and change in left ventricular mass index (LVMI) over five years, and examine whether systolic and diastolic blood pressures are mediators of the association between hepatic steatosis and LVMI using a general population sample. METHODS: We analyzed data from the Study of Health in Pomerania. The study population comprised 1298 individuals aged 45 to 81 years. Hepatic steatosis was defined as the presence of a hyperechogenic pattern of the liver together with elevated serum alanine transferase levels...
July 8, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28739650/lysophosphatidic-acid-receptor-antagonism-protects-against-diabetic-nephropathy-in-a-type-2-diabetic-model
#5
Ming-Zhi Zhang, Xin Wang, Haichun Yang, Agnes B Fogo, Brian J Murphy, Robert Kaltenbach, Peter Cheng, Bradley Zinker, Raymond C Harris
Lysophosphatidic acid (LPA) functions through activation of LPA receptors (LPARs). LPA-LPAR signaling has been implicated in development of fibrosis. However, the role of LPA-LPAR signaling in development of diabetic nephropathy (DN) has not been studied. We examined whether BMS002, a novel dual LPAR1 and LPAR3 antagonist, affects development of DN in endothelial nitric oxide synthase-knockout db/db mice. Treatment of these mice with BMS002 from 8 to 20 weeks of age led to a significant reduction in albuminuria, similar to that observed with renin-angiotensin system inhibition (losartan plus enalapril)...
July 24, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28739050/reduced-water-intake-deteriorates-glucose-regulation-in-patients-with-type-2-diabetes
#6
Evan C Johnson, Costas N Bardis, Lisa T Jansen, J D Adams, Tracie W Kirkland, Stavros A Kavouras
Epidemiological research has demonstrated that low daily total water intake is associated with increased diagnosis of hyperglycemia. Possible mechanisms for this increase include hormones related to the hypothalamic pituitary axis as well as the renin-angiotensin-aldosterone system (RAAS). Therefore, the hypothesis of the present study was that acute low water intake would result in differential hormonal profiles and thus impaired blood glucose regulation during an oral glucose tolerance test (OGTT) in people with type 2 diabetes mellitus (T2DM)...
July 2017: Nutrition Research
https://www.readbyqxmd.com/read/28738355/impact-of-renin-angiotensin-aldosterone-system-inhibition-on-serum-potassium-levels-among-peritoneal-dialysis-patients
#7
Silvia Carreira Ribeiro, Ana Elizabeth Figueiredo, Pasqual Barretti, Roberto Pecoits-Filho, Thyago Proença de Moraes
BACKGROUND: The chronic use of angiotensin-converting enzyme inhibitors or angiotensin II receptor blocker has been associated with hyperkalemia in patients with reduced renal function even after the initiation of hemodialysis. Whether such medications may cause a similar effect in peritoneal dialysis patients is not well established. So, the aim of our study was to analyze the impact of renin-angiotensin-aldosterone inhibitors on the serum levels of potassium in a national cohort of peritoneal dialysis patients...
July 22, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28737438/prenatal-exposure-to-angiotensin-ii-increases-blood-pressure-and-decreases-salt-sensitivity-in-rats
#8
Pavel Svitok, Tomas Senko, Zuzana Panakova, Lucia Olexova, Lucia Krskova, Monika Okuliarova, Michal Zeman
Renin angiotensin aldosterone system (RAAS) plays an essential role in the homeostatic control of arterial blood pressure, perfusion of tissues, and control of extracellular fluid. Its components are highly expressed in the developing kidney, general vasculature, brain, and heart. A modified intrauterine environment alters mechanisms controlling blood pressure (BP) and can lead to hypertension in the adult offspring and developmentally programmed RAAS can be involved in this process. There are very little data about the effects of increased angiotensin II (Ang II) concentrations during pregnancy on in utero development of the fetus...
July 24, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28735756/incidence-and-determinants-of-hyperkalemia-and-hypokalemia-in-a-large-healthcare-system
#9
Erik Nilsson, Alessandro Gasparini, Johan Ärnlöv, Hairong Xu, Karin M Henriksson, Josef Coresh, Morgan E Grams, Juan Jesus Carrero
BACKGROUND: Hypo- and hyperkalemia in clinical settings are insufficiently characterized and large-scale data from Europe lacking. We studied incidence and determinants of these abnormalities in a large Swedish healthcare system. METHODS: Observational study from the Stockholm CREAtinine Measurements project, including adult individuals from Stockholm accessing healthcare in 2009 (n=364,955). Over 3-years, we estimated the incidence of hypokalemia, defined as potassium<3...
July 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28735660/case-detection-and-diagnosis-of-primary-aldosteronism-the-consensus-of-taiwan-society-of-aldosteronism
#10
Vin-Cent Wu, Ya-Hui Hu, Leay Kiaw Er, Ruoh-Fang Yen, Chia-Hui Chang, Ya-Li Chang, Ching-Chu Lu, Chin-Chen Chang, Jui-Hsiang Lin, Yen-Hung Lin, Tzung-Dau Wang, Chih-Yuan Wang, Shih Te Tu, Shih-Chieh Jeff Chueh, Ching-Chung Chang, Fen-Yu Tseng, Kwan-Dun Wu
BACKGROUND/PURPOSE: Even though the increasing clinical recognition of primary aldosteronism (PA) as a public health issue, its heightened risk profiles and the availability of targeted surgical/medical treatment being more understood, consensus in its diagnosis and management based on medical evidence, while recognizing the constraints of our real-world clinical practice in Taiwan, has not been reached. METHODS: The Taiwan Society of Aldosteronism (TSA) Task Force acknowledges the above-mentioned issues and reached this Taiwan PA consensus at its inaugural meeting, in order to provide updated information of internationally acceptable standards, and also to incorporate our local disease characteristics into the management of PA...
July 20, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28734982/isolation-and-characterization-of-renin-like-aspartic-proteases-from-echis-ocellatus-venom
#11
M C Wilkinson, D J H Nightingale, R A Harrison, S C Wagstaff
Three aspartic proteases (SVAPs) have been isolated from venom of the saw-scaled viper, Echis ocellatus. In confirmation of prior transcriptomic predictions, all three forms match to sequences of either of the two SVAP transcripts (EOC00051 and EOC00123), have a molecular weight of 42 kDa and possess a single N-glycan. The SVAPs act in a renin-like manner, specifically cleaving human and porcine angiotensinogen into angiotensin-1 and possess no general protease activity. Their activity is completely inhibited by the aspartyl protease inhibitor Pepstatin A...
July 19, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28733880/effect-of-asiatic-acid-on-the-ang-ii-at1r-nadph-oxidase-nf-%C3%AE%C2%BAb-pathway-in-renovascular-hypertensive-rats
#12
Putcharawipa Maneesai, Sarawoot Bunbupha, Upa Kukongviriyapan, Laddawan Senggunprai, Veerapol Kukongviriyapan, Parichat Prachaney, Poungrat Pakdeechote
Asiatic acid, a triterpenoid compound derived from Centella asiatica, has been demonstrated to have antioxidant and anti-inflammatory effects. The present study evaluated the effects of asiatic acid on hemodynamic alterations, renin-angiotensin system (RAS), oxidative stress, and inflammation in 2K-1C hypertensive rats. Renovascular hypertension was induced in male Sprague-Dawley rats and treated with vehicle, asiatic acid (30 mg/kg/day), or captopril (5 mg/kg/day) for 4 weeks. We observed that 2K-1C hypertensive rats exhibited hemodynamic alterations such as high blood pressure, heart rate, hindlimb vascular resistance, and low hindlimb blood flow...
July 21, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28733452/chronic-hypertension-increases-aortic-endothelial-hydraulic-conductivity-by-upregulating-endothelial-aquaporin-1-expres-sion
#13
Jimmy Deon Toussaint, Chirag Bharavi Raval, Tieuvi Nguyen, Hadi Fadaifard, Shripad Joshi, George Wolberg, Steven Quarfordt, Kung-Ming Jan, David S Rumschitzki
Numerous studies examine aquaporins' role in osmotic water transport in various systems but virtually none focus on aquaporins' role in hydrostatically-driven water transport involving mammalian cells save for our laboratory's recent study of aortic endothelial cells. Here we inves-tigate aquaporin-1 expression and function in the aortic endothelium in two high-renin rat mod-els of hypertension, the spontaneously hypertensive genetically altered Wystar-Kyoto rat variant and Sprague-Dawley rats made hypertensive by two kidney, one clip Goldblatt surgery...
July 21, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28733450/muscle-sympathetic-nerve-activity-and-volume-regulating-factors-in-healthy-pregnant-and-non-pregnant-women
#14
Nisha Charkoudian, Charlotte W Usselman, Rachel J Skow, Jeffery S Staab, Colleen Glyde Julian, Michael K Stickland, Radha S Chari, Rshmi Khurana, Sandra T Davidge, Margie H Davenport, Craig D Steinback
Healthy, normotensive human pregnancies are associated with striking increases in both plasma volume and vascular sympathetic nerve activity (SNA). In non-pregnant humans, volume regulatory factors including plasma osmolality, vasopressin and the renin-angiotensin-aldosterone system have important modulatory effects on control of sympathetic outflow. We hypothesized that pregnancy would be associated with changes in the relationships between SNA (measured as muscle SNA) and volume regulating factors, including plasma osmolality, plasma renin activity and arginine vasopressin (AVP)...
July 21, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28731400/letter-to-the-editor-expression-of-tissue-pro-renin-receptor-and-concentrations-of-its-soluble-form-in-csf-in-adult-diffuse-gliomas
#15
Vladislav Pavlov, Pascale Varlet, Fabrice Chretien, Geneviève Nguyen, Johan Pallud
No abstract text is available yet for this article.
July 21, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28731289/current-status-of-achieving-blood-pressure-target-and-its-clinical-correlates-in-japanese-type-2-diabetes
#16
Hiroki Yokoyama, Shin-Ichi Araki, Koichi Kawai, Koichi Hirao, Yoshio Kurihara, Hiroaki Seino, Hiroshi Takamura, Hidekatsu Sugimoto, Akira Okada, Hiroshi Maegawa
AIMS/INTRODUCTION: To investigate the current status of achieved blood pressure levels in association with the number of antihypertensive drug classes as of 2013, and to explore the clinical correlates with achievement of target blood pressure in a large-scale cohort of Japanese subjects with type 2 diabetes. MATERIALS AND METHODS: A nationwide survey was conducted including 12,811 subjects with type 2 diabetes. Subjects were divided by achieved blood pressure, <130/80 or 140/90 mmHg, and the number of drug classes taken...
July 21, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28730079/effect-of-angiotensin-ii-type-1-receptor-blocker-and-angiotensin-converting-enzyme-inhibitor-on-the-intraocular-growth-factors-and-their-receptors-in-streptozotocin-induced-diabetic-rats
#17
Ik Soo Byon, Dong Hyun Lee, Eun Sook Jun, Min Kyu Shin, Sung Who Park, Ji Eun Lee
AIM: To investigate the effect of angiotensin II type 1 receptor blocker (ARB) and angiotensin converting enzyme inhibitor (ACEI) on intraocular growth factors and their receptors in streptozotocin-induced diabetic rats. METHODS: Forty Sprague-Dawley rats were divided into 4 groups: control, diabetes mellitus (DM), candesartan-treated DM, and enalapril-treated DM (each group, n=10). After the induction of DM by streptozotocin, candesartan [ARB, 5 mg/(kg·d)] and enalapril [ACEI, 10 mg/(kg·d)] were administered to rats orally for 4wk...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28729036/molecular-mechanisms-of-renal-aging
#18
REVIEW
Roland Schmitt, Anette Melk
Epidemiologic, clinical, and molecular evidence suggest that aging is a major contributor to the increasing incidence of acute kidney injury and chronic kidney disease. The aging kidney undergoes complex changes that predispose to renal pathology. The underlying molecular mechanisms could be the target of therapeutic strategies in the future. Here, we summarize recent insight into cellular and molecular processes that have been shown to contribute to the renal aging phenotype.The main clinical finding of renal aging is the decrease in glomerular filtration rate, and its structural correlate is the loss of functioning nephrons...
July 17, 2017: Kidney International
https://www.readbyqxmd.com/read/28727756/dysregulation-of-micrornas-and-renin-angiotensin-system-in-high-salt-diet-induced-cardiac-dysfunction-in-uninephrectomized-rats
#19
Venkateswara Rao Amara, Sunil Kumar Surapaneni, Kulbhushan Tikoo
Uninephrectomy is not associated with major adverse events in cardiovascular and renal functions of live kidney donors. The effect of high salt diet on the quality of life of live kidney donors is largely unknown. Hence in this study, we aimed to determine the effect of high salt diet on the alterations of renin-angiotensin system and microRNAs leading to CV and renal dysfunction in uninephrectomized rats. In order to mimic clinical scenario, uninephrectomized male Sprague Dawley rats were fed initially with normal pellet diet for 12 weeks and then for 20 weeks with high salt (10% w/w NaCl) diet...
2017: PloS One
https://www.readbyqxmd.com/read/28727636/a-comparison-of-robotic-versus-laparoscopic-adrenalectomy-in-patients-with-primary-hyperaldosteronism
#20
Jennifer Colvin, Vikram Krishnamurthy, Judy Jin, Joyce Shin, Allan Siperstein, Eren Berber
BACKGROUND: Over the last decade, robotic approaches have been described for removing adrenal tumors. Although there are reports comparing robotic and laparoscopic techniques in general, there are limited data on outcomes in patients with primary hyperaldosteronism (PHA). The aim of this study is to compare the safety and efficacy of robotic adrenalectomy (RA) versus laparoscopic adrenalectomy (LA) for PHA. MATERIALS AND METHODS: The records of 20 patients who underwent RA for PHA were compared with 16 patients who underwent LA between 2000 and 2014...
July 19, 2017: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
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