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Pathogenesis treatment chronic kidney disease

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https://www.readbyqxmd.com/read/28151018/calcium-dobesilate-prevents-diabetic-kidney-disease-by-decreasing-bim-and-inhibiting-apoptosis-of-renal-proximal-tubular-epithelial-cells
#1
Tian Cai, Xiao-Yun Wu, Xiao-Qian Zhang, Hong-Xia Shang, Zhong-Wen Zhang, Jian-Jun Dong, Lin Liao
Apoptosis of renal proximal tubular epithelial cells (PTECs) plays a vital role in the pathogenesis and progression of diabetic kidney disease (DKD). Calcium dobesilate is a vascular protective compound used for treatment of diabetic retinopathy and chronic venous insufficiency. The aim of this study was to determine whether calcium dobesilate can protect PTECs from glucose-induced apoptosis and the potential mechanism of this effect. It is indicated that high glucose promoted abnormal apoptosis of HK2 cells, which was inhibited by treatment of calcium dobesilate, while Bim expression decreased in response to calcium dobesilate in high-glucose-treated HK2 cells...
February 2, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28115235/anti-fibrotic-effects-of-chronic-treatment-with-the-selective-fxr-agonist-obeticholic-acid-in-the-bleomycin-induced-rat-model-of-pulmonary-fibrosis
#2
Paolo Comeglio, Sandra Filippi, Erica Sarchielli, Annamaria Morelli, Ilaria Cellai, Francesca Corcetto, Chiara Corno, Elena Maneschi, Alessandro Pini, Luciano Adorini, Gabriella Barbara Vannelli, Mario Maggi, Linda Vignozzi
Farnesoid X receptor (FXR) activation by obeticholic acid (OCA) has been demonstrated to inhibit inflammation and fibrosis development in liver, kidney and intestine in multiple disease models. FXR activation has also been demonstrated to suppress the inflammatory response and to promote lung repair after lung injury. This study investigated the protective effects of OCA treatment (3 or 10mg/kg/day) on inflammation, tissue remodeling and fibrosis in the bleomycin-induced pulmonary fibrosis rat model. Effects of OCA treatment on morphological and molecular alterations of the lung, as well as remodeling of the alveoli and the right ventricle were also evaluated...
January 20, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28069557/h2s-as-a-possible-therapeutic-alternative-for-the-treatment-of-hypertensive-kidney-injury
#3
REVIEW
George J Dugbartey
Hypertension is the most common cause of cardiovascular morbidities and mortalities, and a major risk factor for renal dysfunction. It is considered one of the causes of chronic kidney disease, which progresses into end-stage renal disease and eventually loss of renal function. Yet, the mechanism underlying the pathogenesis of hypertension and its associated kidney injury is still poorly understood. Moreover, despite existing antihypertensive therapies, achievement of blood pressure control and preservation of renal function still remain a worldwide public health challenge in a subset of hypertensive patients...
January 6, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/28042536/central-nodes-in-protein-interaction-networks-drive-critical-functions-in-transforming-growth-factor-beta-1-stimulated-kidney-cells
#4
Reyhaneh Rabieian, Maryam Abedi, Yousof Gheisari
OBJECTIVE: Despite the huge efforts, chronic kidney disease (CKD) remains as an unsolved problem in medicine. Many studies have shown a central role for transforming growth factor beta-1 (TGFβ-1) and its downstream signaling cascades in the pathogenesis of CKD. In this study, we have reanalyzed a microarray dataset to recognize critical signaling pathways controlled by TGFβ-1. MATERIALS AND METHODS: This study is a bioinformatics reanalysis for a microarray data...
2017: Cell Journal
https://www.readbyqxmd.com/read/28003190/the-effects-of-exogenous-desmopressin-on-a-model-of-heat-stress-nephropathy-in-mice
#5
Carlos A Roncal-Jimenez, Tamara Milagres, Ana Andres-Hernando, Masanari Kuwabara, Thomas Jensen, Zhilin Song, Petter Bjornstad, Gabriela E Garcia, Yuka Sato, Laura-Gabriela Sanchez-Lozada, Miguel A Lanaspa, Richard J Johnson
BACKGROUND: Recurrent heat stress and dehydration have recently been shown experimentally to cause chronic kidney disease (CKD). One potential mediator may be vasopressin, acting via the type 2 vasopressin receptor (V2 receptor). We tested the hypothesis that desmopressin accelerates CKD in mice subjected to heat stress and recurrent dehydration. METHODS: Recurrent exposure to heat with limited water availability was performed in male mice over a 5 week period, with one group receiving desmopressin twice daily and the other group received vehicle...
December 21, 2016: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/27994942/effect-of-telmisartan-on-kidney-function-in-patients-with-chronic-kidney-disease-an-observational-study
#6
Ashish Agrawal, Shibnath Kamila, Swetha Reddy, Joyal Lilly, Ms Sadhguna Mariyala
Background: Globally the burden of chronic kidney disease (CKD) is rising, an important cause of death and loss of disability-adjusted life years. Activation of the renin-angiotensin-aldosterone system is involved in its pathogenesis. The aim of the present study was to examine the effects of telmisartan (40 mg/day), an angiotensin receptor blocker (ARB) in Indian patients with CKD in real-life setting. Method: This was a prospective observational study. Fifty-six patients (>18 years) diagnosed with CKD were enrolled into the study...
2016: Journal of drug assessment
https://www.readbyqxmd.com/read/27987541/developing-treatments-for-chronic-kidney-disease-in-the-21st-century
#7
REVIEW
Matthew D Breyer, Katalin Susztak
Chronic kidney disease (CKD) is a lethal and rapidly increasing burden on society. Despite this, there are relatively few therapies in development for the treatment of CKD. Several recent costly phase 3 trials have failed to provide improved renal outcomes, diminishing interest in pharmaceutical investment. Furthermore, poor patient, physician, and payer awareness of CKD as a diagnosis has contributed to slow trial enrollment and successful implementation of these trials. Nevertheless, several therapeutics remain in development for the treatment of CKD, including mineralocorticoid-receptor antagonists, sodium/glucose cotransporter 2 inhibitors, anti-inflammatory drugs, and drugs that mitigate oxidative injury...
November 2016: Seminars in Nephrology
https://www.readbyqxmd.com/read/27956907/lymphocyte-kv1-3-channels-in-the-pathogenesis-of-chronic-obstructive-pulmonary-disease-novel-therapeutic-implications-of-targeting-the-channels-by-commonly-used-drugs
#8
REVIEW
Itsuro Kazama, Tsutomu Tamada
In patients with chronic obstructive pulmonary disease (COPD), over-activated T-lymphocytes produce pro-inflammatory cytokines and proliferate in situ in the lower airways and pulmonary parenchyma, contributing substantially to the pathogenesis of the disease. Despite our understanding of the molecular mechanisms by which lymphocytes are activated, we know little about the physiological mechanisms. T-lymphocytes predominantly express delayed rectifier K(+)-channels (Kv1.3) in their plasma membranes and these channels play crucial roles in inducing the lymphocyte activation and proliferation...
2016: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/27884222/a-reassessment-of-the-pathophysiology-of-progressive-cardiorenal-disorders
#9
REVIEW
Richard N Re
Heart failure and chronic renal diseases are usually progressive and only partially amenable to therapy. These disorders can be the sequelae of hypertension or worsened by hypertension. They are associated with the tissue up-regulation of multiple peptides, many of which are capable of acting within the cell interior. This article proposes that these peptides, intracrines, can form self-sustaining regulatory loops that can spread through heart or kidney, producing progressive disease. Moreover, mineralocorticoid activation seems capable of amplifying some of these peptide networks...
January 2017: Medical Clinics of North America
https://www.readbyqxmd.com/read/27865823/gut-hormones-and-gut-microbiota-implications-for-kidney-function-and-hypertension
#10
REVIEW
Baris Afsar, Nosratola D Vaziri, Gamze Aslan, Kayhan Tarim, Mehmet Kanbay
Increased blood pressure (BP) and chronic kidney disease are two leading risk factors for cardiovascular disease. Increased sodium intake is one of the most important risk factors for development of hypertension. Recent data have shown that gut influences kidney function and BP by variety of mechanisms. Various hormones and peptides secreted from gut such as gastrin, glucocorticoids, Glucagon-like peptide-1 impact on kidney function and BP especially influencing sodium absorption from gut. These findings stimulate scientist to find new therapeutic options such as tenapanor for treatment of hypertension by blocking sodium absorption from gut...
December 2016: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/27863350/arterial-calcification-a-new-perspective
#11
REVIEW
R Nicoll, M Henein
Arterial calcification is commonly seen in atherosclerosis, chronic kidney disease (CKD) and diabetes and has long been considered a natural progression of atherosclerosis. Yet it is a systemic condition, occurring in a wide and diverse range of disease states and no medical treatment for cardiovascular disease has yet found a way to regress it; on the contrary, lipid-lowering therapy may worsen its progression. Although numerous studies have found associations between calcification and biomarkers, none has yet found a unifying mechanism that explains the calcification found in atherosclerosis, CKD or diabetes and many of the biomarkers are equally associated with atheroma development and cardiovascular events...
February 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27858997/a-novel-assay-to-assess-the-effect-of-pharmaceutical-compounds-on-the-differentiation-of-podocytes
#12
Frances Kindt, Elke Hammer, Stefan Kemnitz, Antje Blumenthal, Paul Klemm, Rabea Schlüter, Susan E Quaggin, Jens van den Brandt, Georg Fuellen, Uwe Völker, Karlhans Endlich, Nicole Endlich
BACKGROUND AND PURPOSE: Therapeutic options for treating glomerulopathies, the main cause of chronic kidney disease, are limited. Podocyte dedifferentiation is a major event in the pathogenesis of glomerulopathies. The goal of the present study was, therefore, to develop an assay to monitor podocyte differentiation suitable for compound screening. EXPERIMENTAL APPROACH: We isolated and cultured glomeruli from transgenic mice, expressing cyan fluorescent protein (CFP) under the control of the promoter of nephrin, a marker of podocyte differentiation...
January 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27821390/update-on-lupus-nephritis
#13
Salem Almaani, Alexa Meara, Brad H Rovin
SLE is a chronic inflammatory disease that affects the kidneys in about 50% of patients. Lupus nephritis is a major risk factor for overall morbidity and mortality in SLE, and despite potent anti-inflammatory and immunosuppressive therapies still ends in CKD or ESRD for too many patients. This review highlights recent updates in our understanding of disease epidemiology, genetics, pathogenesis, and treatment in an effort to establish a framework for lupus nephritis management that is patient-specific and oriented toward maintaining long-term kidney function in patients with lupus...
November 7, 2016: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/27798196/klotho-suppresses-the-renin-angiotensin-system-in-adriamycin-nephropathy
#14
Tsuneo Takenaka, Tsutomu Inoue, Takashi Miyazaki, Hiroyuki Kobori, Akira Nishiyama, Naohito Ishii, Matsuhiko Hayashi, Hiromichi Suzuki
BACKGROUNDS: Klotho protein interacts with the transforming growth factor β (TGF-β) receptor and Wnt, which contribute to the progression of renal disease, inhibiting their signals. Renal and circulating klotho levels are diminished in chronic kidney disease. METHODS: Experiments were performed to assess whether supplementation of klotho protein could have protective effects on the kidney. Rats were injected with adriamycin (5 mg/kg) and divided into three groups: those treated with vehicle, those treated with klotho protein and those treated with klotho plus 4-benzyl-2-methyl-1,2,4-thiadiazolidine-3,5-dione (TDZD)...
October 17, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27774877/genitourinary-complications-of-diabetes-mellitus-an-overview-of-pathogenesis-evaluation-and-management
#15
Jason Gandhi, Gautam Dagur, Kelly Warren, Noel Smith, Sardar Ali Khan
BACKGROUND: Diabetes mellitus is a vastly prevalent metabolic disorder with escalating global health concerns. Particularly when mismanaged, chronic micro- and macrovascular complications may highly impair physiological systems while immunodeficiency disposes us to infection. OBJECTIVE: We investigate infections, localized complications, and neoplasms of the genitourinary system secondary to the chronic complications of diabetes mellitus in males and females. METHOD: A comprehensive MEDLINE® search was guided using key words relevant to diabetes mellitus and the genitourinary system...
October 19, 2016: Current Diabetes Reviews
https://www.readbyqxmd.com/read/27757935/impact-of-salt-intake-on-the-pathogenesis-and-treatment-of-hypertension
#16
Petra Rust, Cem Ekmekcioglu
Excessive dietary salt (sodium chloride) intake is associated with an increased risk for hypertension, which in turn is especially a major risk factor for stroke and other cardiovascular pathologies, but also kidney diseases. Besides, high salt intake or preference for salty food is discussed to be positive associated with stomach cancer, and according to recent studies probably also obesity risk. On the other hand a reduction of dietary salt intake leads to a considerable reduction in blood pressure, especially in hypertensive patients but to a lesser extent also in normotensives as several meta-analyses of interventional studies have shown...
October 19, 2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27754167/sy-12-3-are-ras-inhibitors-necessary-for-all-patients-with-diabetes-and-chronic-kidney-disease
#17
Shokei Kim-Mitsuyama
There is accumulating evidence that RAS inhibitors not only reduce blood pressure, but also exert pleiotropic effects, including a renoprotective effect, amelioration of insulin resistance, reduction in onset of diabetes, and suppression of cardiovascular remodelling,. However, the definite benefit of RAS inhibition in treatment of hypertension with CKD or DM is not conclusive. We previously performed the OlmeSartan and Calcium Antagonists Randomized (OSCAR) study comparing the preventive effect of high-dose ARB therapy versus ARB plus CCB combination therapy on cardiovascular morbidity and mortality in 1164 Japanese elderly hypertensive patients with baseline type 2 diabetes and/or CVD (Am J Med (2012))...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27752007/chemerin-a-biomarker-for-cardiovascular-disease-in-diabetic-chronic-kidney-disease-patients
#18
Farag E Salama, Qasem A Anass, Abdelnaem A Abdelrahman, Elsayed B Saeed
Cardiovascular disease is the leading cause of morbidity and mortality in patients with chronic kidney disease (CKD). The carotid intima-media thickness (CIMT) and arterial stiffness are useful markers of subclinical atherosclerosis and significantly correlate with various metabolic risk factors. Chemerin is one of the adipokines that may represent a link between obesity and inflammation and may be a potential candidate playing a role in the pathogenesis of atherosclerosis and cardiovascular complications. Therefore, we studied the relationship of chemerin levels with atherosclerosis as measured by CIMT in diabetic CKD patients, either predialysis or on hemodialysis (HD)...
September 2016: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/27683634/tregs-and-kidney-from-diabetic-nephropathy-to-renal-transplantation
#19
REVIEW
Periklis Dousdampanis, Kostantina Trigka, Athanasia Mouzaki
Kidney transplantation is recognised as the most effective treatment for patients with end-stage renal disease (ESRD). Kidney transplantation continues to face several challenges including long-term graft and patient survival, and the side effects of immunosuppressive therapy. The tendency in kidney transplantation is to avoid the side effects of immunosuppresants and induce immune tolerance. Regulatory T-cells (Tregs) contribute to self-tolerance, tolerance to alloantigen and transplant tolerance, mainly by suppressing the activation and function of reactive effector T-cells...
September 24, 2016: World Journal of Transplantation
https://www.readbyqxmd.com/read/27660122/fatty-liver-and-chronic-kidney-disease-novel-mechanistic-insights-and-therapeutic-opportunities
#20
REVIEW
Giovanni Musso, Maurizio Cassader, Solomon Cohney, Franco De Michieli, Silvia Pinach, Francesca Saba, Roberto Gambino
Chronic kidney disease (CKD) is a risk factor for end-stage renal disease (ESRD) and cardiovascular disease (CVD). ESRD or CVD develop in a substantial proportion of patients with CKD receiving standard-of-care therapy, and mortality in CKD remains unchanged. These data suggest that key pathogenetic mechanisms underlying CKD progression go unaffected by current treatments. Growing evidence suggests that nonalcoholic fatty liver disease (NAFLD) and CKD share common pathogenetic mechanisms and potential therapeutic targets...
October 2016: Diabetes Care
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