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The effect of calcifediol supplementation on renin-angiotensin-aldosterone system mediators in dogs with chronic kidney diseaseMiller, Matthew Scott 01 October 2021 (has links)
No description available.
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Local renin-angiotensin system and its regulation in the rat pancreas.January 2000 (has links)
Chan Wai-Pong. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2000. / Includes bibliographical references (leaves 114-135). / Abstracts in English and Chinese. / Chapter Chapter 1 --- Introduction / Chapter 1.1 --- General review of pancreas --- p.1 / Chapter 1.2 --- The renin-angiotensin system (RAS) --- p.4 / Chapter 1.3 --- Tissue RAS --- p.12 / Chapter 1.4 --- Hypoxia and RAS --- p.21 / Chapter 1.5 --- Pancreatitis and RAS --- p.25 / Chapter 1.6 --- Aim of study --- p.27 / Chapter Chapter 2 --- Method / Chapter 2.1 --- Experimental animals and rat models --- p.30 / Chapter 2.2 --- Immunohistochemistry --- p.33 / Chapter 2.3 --- Semi-quantitative reverse transcriptase-polymase chain reaction (RT-PCR) --- p.37 / Chapter 2.4 --- Western blot analysis --- p.41 / Chapter 2.5 --- "Standard curve, quantitative competitive RT-PCR (SC-QC-RT-PCR)" --- p.45 / Chapter 2.6 --- Data analysis --- p.48 / Chapter Chapter 3 --- Result / Chapter 3.1 --- Existence of a local RAS in the rat pancreas --- p.49 / Chapter 3.2 --- Effect of chronic hypoxia on RAS expression in neonatal rat --- p.59 / Chapter 3.3 --- Effect of chronic hypoxia on RAS expression in mature rat --- p.72 / Chapter 3.4 --- Effect of experimental pancreatitis on RAS expression --- p.86 / Chapter Chapter 4 --- Discussion / Chapter 4.1 --- Existence of a local RAS in the rat pancreas --- p.97 / Chapter 4.2 --- Regulation of pancreatic RAS by chronic hypoxia --- p.101 / Chapter 4.3 --- Regulation of pancreatic RAS by pancreatitis --- p.106 / Chapter 4.4 --- Conclusion --- p.111 / Chapter 4.5 --- Further work --- p.112 / Chapter Chapter 5 --- References --- p.114
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Pancreatic islet renin-angiotensin system: its role in insulin secretion and in islet transplantation.January 2004 (has links)
Lau Tung. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2004. / Includes bibliographical references (leaves 142-157). / Abstracts in English and Chinese. / Abstract --- p.i / 摘要 --- p.iii / Acknowledgements --- p.v / Table of Contents --- p.vi / List of Abreviations --- p.x / Chapter Chapter 1 --- Introduction / Chapter 1.1 --- Pancreas and its functions --- p.1 / Chapter 1.1.1 --- Structure of pancreas --- p.1 / Chapter 1.1.2 --- Exocrine function --- p.4 / Chapter 1.1.3 --- Endocrine function --- p.7 / Chapter 1.1.3.1 --- Pancreatic islet and islet cells --- p.7 / Chapter 1.1.3.2 --- Regulation of insulin secretion --- p.10 / Chapter 1.1.3.3 --- Mechanism for glucose-stimulated insulin release --- p.14 / Chapter 1.1.3.4 --- Bi-phase response of insulin secretion --- p.16 / Chapter 1.2 --- Pancreatic Renin-Angiotensin System --- p.19 / Chapter 1.2.1 --- Circulating RAS and local RAS --- p.19 / Chapter 1.2.2 --- RAS inhibitors --- p.25 / Chapter 1.2.2.1 --- Angiotensin converting enzyme inhibitor --- p.25 / Chapter 1.2.2.2 --- Non-specific Ang II receptor blocker --- p.28 / Chapter 1.2.2.3 --- Specific AT1 receptor antagonist --- p.29 / Chapter 1.2.2.4 --- Specific AT2 receptor antagonist --- p.30 / Chapter 1.2.3 --- RAS and Pancreas --- p.30 / Chapter 1.2.3.1 --- Expression and localization of pancreatic RAS --- p.30 / Chapter 1.2.3.2 --- Regulation of pancreatic RAS and its clinical relevance --- p.32 / Chapter 1.3 --- Islet Transplantation and RAS --- p.34 / Chapter 1.3.1 --- Whole pancreas and islet transplantation --- p.34 / Chapter 1.3.2 --- Problems encountered in islet transplantation --- p.36 / Chapter 1.3.3 --- Potential role of RAS in islet transplantation --- p.38 / Chapter 1.4 --- Diabetes Mellitus and RAS --- p.40 / Chapter 1.4.1 --- Diabetes Mellitus --- p.40 / Chapter 1.4.2 --- Type 1 diabetes and its animal model --- p.42 / Chapter 1.4.3 --- Type 2 diabetes and its animal model --- p.44 / Chapter 1.4.4 --- RAS blockade in diabetes patients --- p.46 / Chapter 1.4.5 --- Potential role of RAS in Diabetes Mellitus --- p.47 / Chapter 1.5 --- Aims of Study --- p.49 / Chapter Chapter 2 --- Materials and Methods / Chapter 2.1 --- Experimental animals and mouse models --- p.50 / Chapter 2.1.1 --- Experimental animals for islet isolation and transplantation --- p.50 / Chapter 2.1.2 --- Mouse model for type 2 diabetes --- p.51 / Chapter 2.2 --- Islet isolation and transplantation --- p.52 / Chapter 2.2.1 --- Enzymatic islet isolation --- p.52 / Chapter 2.2.2 --- Islet transplantation --- p.53 / Chapter 2.3 --- Biological assay on islet functions --- p.53 / Chapter 2.3.1 --- Measurement of islet insulin release --- p.53 / Chapter 2.3.2 --- Measurement of islet glucose oxidation rate --- p.56 / Chapter 2.3.3 --- Measurement of islet (pro)insulin biosynthesis --- p.59 / Chapter 2.3.4 --- Measurement of islet total protein synthesis --- p.60 / Chapter 2.4 --- Chronic losartan treatment --- p.62 / Chapter 2.5 --- Perfusion experiment of transplanted islet graft --- p.62 / Chapter 2.6 --- Insulin content of the islet graft --- p.63 / Chapter 2.7 --- Islet graft (pro)insulin and total protein biosynthesis --- p.64 / Chapter 2.8 --- Real-time RT-PCR Analysis --- p.64 / Chapter 2.8.1 --- Design of primers and probes --- p.67 / Chapter 2.8.2 --- Use of internal control --- p.69 / Chapter 2.8.3 --- RT-PCR reaction --- p.69 / Chapter 2.8.4 --- Calculation using the comparative CT method --- p.70 / Chapter 2.9 --- Western Blot Analysis --- p.71 / Chapter 2.10 --- Immunocytochemistry --- p.72 / Chapter 2.11 --- Statistical data analysis --- p.73 / Chapter Chapter 3 --- Results / Chapter 3 .1 --- Effect of Angiotensin II and Losartan on islet insulin release --- p.74 / Chapter 3.1.1 --- Insulin release from normal islets --- p.74 / Chapter 3.2 --- "Effect of Angiotensin II and Losartan on islet glucose oxidation rate, (pro)insulin and total protein biosynthesis" --- p.77 / Chapter 3.2.1 --- Glucose oxidation rate of isolated normal islets --- p.77 / Chapter 3.2.2 --- (pro)insulin and total protein biosynthesis of isolated normal islets --- p.77 / Chapter 3.3 --- Regulation of RAS components in islet transplantation --- p.81 / Chapter 3.3.1 --- Expression of RAS components in endogenous islets and transplanted islets --- p.81 / Chapter 3.3.2 --- Localization of AT1-receptor in endogenous islets --- p.87 / Chapter 3.3.3 --- Expression of AT1-receptor protein in endogenous and transplanted islets --- p.89 / Chapter 3.3.4 --- Relative abundance of RAS components in kidney and liver --- p.91 / Chapter 3.3.5 --- Insulin release from perfused transplanted islet graft --- p.93 / Chapter 3.3.5 --- (pro)insulin and total protein biosynthesis of transplanted islet graft --- p.96 / Chapter 3.4 --- Effect of Angiotensin II and losartan on diabetic islets --- p.99 / Chapter 3.4.1 --- Expression of RAS components in diabetic pancreas --- p.99 / Chapter 3.4.2 --- Localization of AT1 receptors in diabetic pancreas --- p.105 / Chapter 3.4.3 --- Insulin release from islets of type 2 diabetic mice --- p.107 / Chapter 3.4.4 --- (pro)insulin and total protein biosynthesis of islets from type 2 diabetic mice --- p.112 / Chapter Chapter 4 --- Discussion / Chapter 4.1 --- Effect of angiotensin II and losartan on islet insulin release --- p.116 / Chapter 4.2 --- Existence of local RAS in pancreatic islets --- p.119 / Chapter 4.3 --- Regulation of islet RAS components in transplanted islets --- p.122 / Chapter 4.4 --- Clinical relevance of islet RAS in transplantation --- p.125 / Chapter 4.5 --- Regulation of islet RAS by type 2 diabetes --- p.126 / Chapter 4.6 --- Clinical relevance of islet RAS in type 2 diabetes --- p.134 / Chapter 4.7 --- Conclusion --- p.140 / Chapter 4.8 --- Further studies --- p.141 / Chapter Chapter 5 --- Bibliography --- p.142
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Platelet and endothelial function : Polycystic Ovary Syndrome and the renin-angiotensin system.Rajendran, Sharmalar January 2009 (has links)
The phenomenon of platelet hyperaggregability and decreased platelet responsiveness to nitric oxide (also termed as nitric oxide resistance), documented in several cardiovascular disease states, is associated with adverse cardiovascular outcomes. The series of experiments described in this thesis address primarily some aspects of the pathophysiology, epidemiology and therapy of the phenomenon of end-organ resistance to nitric oxide (NO) in two important conditions, that are closely associated with cardiovascular risk factors and disease states:- Polycystic ovary syndrome, which is closely linked with the metabolic syndrome and premature subclinical atherosclerosis. The renin-angiotensin system, which is recognized as a significant mediator in the pathophysiology of a number of cardiovascular disease states. The first study examined the epidemiology/pathophysiology of putative platelet/endothelial dysfunction in young individuals with PCOS. The subsequent studies focused on the potential impact of the renin-angiotensin system on platelet and endothelial function. This mechanistic review is set in the context of a number of recent major clinical studies which have demonstrated surprising efficacy of certain angiotensin-converting enzyme (ACE) inhibitors (ramipril and perindopril) in the prevention of thrombotic processes. Thus we tested the hypothesis whether ACE inhibitor ramipril sensitizes platelets to NO (as a potential mechanism for improved cardiovascular outcomes) in a high risk patient cohort. In addition, particular attention will be given to the emerging role of the heptapeptide Angiotensin- (1-7), a possible physiological antagonist to Angiotensin II in the vasculature and the limitation of the current literature concerning potential effects of the renin-angiotensin system on thrombotic mechanisms. / http://proxy.library.adelaide.edu.au/login?url= http://library.adelaide.edu.au/cgi-bin/Pwebrecon.cgi?BBID=1348615 / Thesis (Ph.D.) - University of Adelaide, School of Medicine, 2009
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The renin-angiotensin system and immune functionGroeschel, Michael. January 2009 (has links)
Thesis (M.Sc.)--University of Alberta, 2009. / A thesis submitted to the Faculty of Graduate Studies and Research in partial fulfillment of the requirements for the degree of Master of Science, Department of Physiology. Title from pdf file main screen (viewed on October 11, 2009). Includes bibliographical references.
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Renin in the female genital tractEskildsen, Peter Claes. January 1975 (has links)
Thesis--Copenhagen University. / Summary in Danish. Includes index. Bibliography: p. 139-162.
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Pathophysiological and clinical aspects concerning the renin-angiotensin system and the body sodium content in renal and post-renal transplant hypertension in humans a survey /Kornerup, Hans Jacob. January 1900 (has links)
Thesis (doctor of medicine)--Aarhus Universitet, 1980. / Text in English with summaries in English and Swedish. Spine title: Renin and sodium in renal hypertension.
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Inzulinová rezistence a metabolická inflexibilita : ovlivnění blokádou renin-angiotenzinového systému / Insulin Resistance and Metabolic inFlexibility : the Influence of Renin Angiotensin System InhibitionWohl, Petr January 2011 (has links)
Insulin resistance (IR) is considered to be an important factor influencing the progression of atherosclerosis and is associated with higher morbidity and mortality. IR is a common feature of diabetes mellitus Type 2 and obesity. Many authors consider IR being the crucial abnormality of the metabolic syndrome which is characterized by the essential hypertension, hyperliproteinemia, visceral obesity, endothel dysfunction and many other abnormalities. Impaired insulin action (IR) is also described in diabetes mellitus Type 1, however this phenomenon has not been fully explained. The subjects of dissertation thesis was directed on the IR importance in diabetic Type 1 patients as well as on the renin angiotensin system inhibition in patients with IR and metabolic syndrome with impaired glucose homeostasis. Hyperinsulinemic euglycemic clamp is used in combination with indirect calorimetry to estimate the IR in vivo in humans. In our project we focused on a) the existence of the metabolic inflexibility phenomenon in type 1 diabetic patients b) the methodological evaluation of the hyperinsulinemic euglycemic clamp procedure in the same group c) the influence of renin angiotensin system inhibition with angiotensin II type 1 receptor inhibitor telmisartan in patients with metabolic syndrome and impaired glucose...
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Inzulinová rezistence a metabolická inflexibilita : ovlivnění blokádou renin-angiotenzinového systému / Insulin Resistance and Metabolic inFlexibility : the Influence of Renin Angiotensin System InhibitionWohl, Petr January 2011 (has links)
Insulin resistance (IR) is considered to be an important factor influencing the progression of atherosclerosis and is associated with higher morbidity and mortality. IR is a common feature of diabetes mellitus Type 2 and obesity. Many authors consider IR being the crucial abnormality of the metabolic syndrome which is characterized by the essential hypertension, hyperliproteinemia, visceral obesity, endothel dysfunction and many other abnormalities. Impaired insulin action (IR) is also described in diabetes mellitus Type 1, however this phenomenon has not been fully explained. The subjects of dissertation thesis was directed on the IR importance in diabetic Type 1 patients as well as on the renin angiotensin system inhibition in patients with IR and metabolic syndrome with impaired glucose homeostasis. Hyperinsulinemic euglycemic clamp is used in combination with indirect calorimetry to estimate the IR in vivo in humans. In our project we focused on a) the existence of the metabolic inflexibility phenomenon in type 1 diabetic patients b) the methodological evaluation of the hyperinsulinemic euglycemic clamp procedure in the same group c) the influence of renin angiotensin system inhibition with angiotensin II type 1 receptor inhibitor telmisartan in patients with metabolic syndrome and impaired glucose...
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Expression and function of hypoxia-inducible factor, cytokines and renin-angiotensin system in the carotid body during chronic andintermittent hypoxiaLam, Siu-yin, Sylvia, 林小燕 January 2008 (has links)
published_or_final_version / Physiology / Doctoral / Doctor of Philosophy
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