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Pathogenesis treatment chronic kidney disease

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https://www.readbyqxmd.com/read/29929599/end-stage-renal-disease-chronic-itch-and-its-management
#1
REVIEW
Radomir Reszke, Jacek C Szepietowski
End-stage renal disease chronic itch is a frequent symptom that bothers patients with advanced stages of chronic kidney disease. The pathogenesis of the chronic itch symptom is complex and not yet fully understood and includes many metabolic, immunologic, and neurogenic factors. A significant burden of the disease results in decreased quality of life with sleep impairment, depressive symptoms, and increased mortality of affected individuals. No treatment of choice is available; topical therapy (emollients), phototherapy (UV-B), and systemic therapy (antiepileptics, opioid agonists, and antagonists) provide significant relief in varying percentages of patients...
July 2018: Dermatologic Clinics
https://www.readbyqxmd.com/read/29909606/dietary-protein-and-nutritional-supplements-in-conventional-hemodialysis
#2
Alice Sabatino, Giovanni Piotti, Carmela Cosola, Ilaria Gandolfini, Jeroen P Kooman, Enrico Fiaccadori
Protein energy wasting (PEW) is a condition commonly occurring among patients with ESRD on hemodialysis. PEW is characterized by depletion of protein and energy stores and is caused by multiple factors related to chronic kidney disease, acute and chronic comorbidities and by renal replacement therapy itself. Anorexia is central in the pathogenesis of PEW; it is frequently observed in these patients whose protein and energy intakes are typically lower than guidelines recommendations. If untreated, PEW invariably leads to major complications, and may activate a vicious circle with further worsening of nutritional status...
June 17, 2018: Seminars in Dialysis
https://www.readbyqxmd.com/read/29890551/klotho-restraining-egr1-tlr4-mtor-axis-to-reducing-the-expression-of-fibrosis-and-inflammatory-cytokines-in-high-glucose-cultured-rat-mesangial-cells
#3
Can Wu, Xiaoyu Ma, Yang Zhou, Yv Liu, Ying Shao, Qiuyue Wang
Anti-aging protein Klotho is closely associated with a variety of chronic diseases and age-related diseases. And Klotho gene deficiency enhances the phosphorylation of mammalian target of rapamycin (mTOR), resulting in exacerbating streptozotocin-stimulated diabetic glomerular injury and promoting the progression of early diabetic kidney disease (DKD). However, it has not yet been elucidated that the mechanism of Klotho function on the pathogenesis of diabetic glomerular injury. What's more, insulin represents the antilipolytic effect via the mTOR-early growth response factor 1 (Egr1) regulatory axis in mammalian organism...
June 11, 2018: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/29887266/intracellular-organelles-in-health-and-kidney-disease
#4
Fateme Shamekhi Amiri
Subcellular organelles consist of smaller substructures called supramolecular assemblies and these in turn consist of macromolecules. Various subcellular organelles have critical functions that consist of genetic disorders of organelle biogenesis and several metabolic disturbances that occur during non-genetic diseases e.g. infection, intoxication and drug treatments. Mitochondrial damage can cause renal dysfunction as ischemic acute renal injury, chronic kidney disease progression. Moreover, mitochondrial dysfunction is an early event in aldosterone-induced podocyte injury and cardiovascular disease due to oxidative stress in chronic kidney disease...
June 7, 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/29883668/age-rage-axis-blockade-in-diabetic-nephropathy-current-status-and-future-directions
#5
REVIEW
Davoud Sanajou, Amir Ghorbani Haghjo, Hassan Argani, Somayeh Aslani
Diabetic nephropathy is one of the most frequent micro-vascular complications both in type 1 and type 2 diabetic patients and is the leading cause of end-stage renal disease worldwide. Although disparate mechanisms give rise to the development of diabetic nephropathy, prevailing evidence accentuates that hyperglycemia-associated generation of advanced glycation end products (AGEs) plays a central role in the disease pathophysiology. Engagement of the receptor for AGE (RAGE) with its ligands provokes oxidative stress and chronic inflammation in renal tissues, ending up with losses in kidney function...
June 5, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29846140/cardiovascular-risk-in-chronic-kidney-disease-what-is-new-in-the-pathogenesis-and-treatment
#6
Angelika Bazyluk, J Malyszko, Edyta Zbroch
The prevalence of chronic kidney disease has increased markedly over past decades due to the aging of the worldwide population. Despite the progress in the prevention and treatment, the cardiovascular morbidity and mortality remains high among patients with chronic kidney disease. Although chronic kidney disease is a progressive and irreversible condition, it is possible to slow decreasing kidney function, as well as the development and progression of associated with kidney disease comorbidities. Diabetes mellitus (DM) has become major cause of chronic kidney disease worldwide...
May 30, 2018: Postgraduate Medicine
https://www.readbyqxmd.com/read/29845208/glucagon%C3%A2-like-peptide%C3%A2-1-protects-mouse-podocytes-against-high-glucose%C3%A2-induced-apoptosis-and-suppresses-reactive-oxygen-species-production-and-proinflammatory-cytokine-secretion-through-sirtuin-1-activation-in-vitro
#7
Jian-Xia Shi, Qin Huang
Glucagon‑like peptide‑1 (GLP‑1) is a gut incretin hormone that is considered to be a promising target for the treatment of patients with type 2 diabetes. However, the mechanisms underlying the protective effects of GLP‑1 on diabetic nephropathy are yet to be fully elucidated. Sirtuin (SIRT)1 encodes a member of the SIRT family of proteins that serves an important role in mitochondrial function and is reported to be associated with the pathogenesis of chronic kidney disease. The present study treated mouse podocytes with various concentrations of D‑glucose to establish a high glucose (HG)‑induced model of renal injury...
May 29, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29808451/an-update-on-calciphylaxis
#8
REVIEW
José Alberto García-Lozano, Jorge Ocampo-Candiani, Sylvia Aide Martínez-Cabriales, Verónica Garza-Rodríguez
Calciphylaxis, also known as calcific uremic arteriolopathy and uremic small artery disease with medial wall calcification and intimal hyperplasia, is a multifactorial cutaneous vascular disease characterized by chronic, painful, non-healing wounds that occur frequently in patients with chronic kidney disease, predominantly in those with end-stage renal disease. The pathogenesis remains unclear, and the development of calciphylaxis lesions depends on medial calcification, intimal fibrosis of arterioles and thrombotic occlusion...
May 28, 2018: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/29768353/correlation-of-increased-th17-treg-cell-ratio-with-endoplasmic-reticulum-stress-in-chronic-kidney-disease
#9
Xiaojing Zhu, Shuiqin Li, Qiaona Zhang, Dan Zhu, Yang Xu, Pengqian Zhang, Jin Han, Zhaoyang Duan, Jie Gao, Yan Ou
To investigate the relationship between the regulatory immune network and endoplasmic reticulum stress (ERS) in patients with different stages of chronic kidney disease (CKD).A total of 91 patients diagnosed with CKD were divided into different groups according to the stage of disease and treatment with hemodialysis (HD) or peritoneal dialysis (PD). Routine blood and biochemical tests were performed in patients in the different CKD groups and in healthy controls (n = 20). The frequencies of T helper type 17 (Th17) and regulatory T (Treg) cells in the overall T cell population were measured by flow cytometric analysis...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29765500/mito-tempo-alleviates-renal-fibrosis-by-reducing-inflammation-mitochondrial-dysfunction-and-endoplasmic-reticulum-stress
#10
Yuqing Liu, Yundan Wang, Wei Ding, Yingdeng Wang
Background: Renal fibrosis is a common pathological symptom of chronic kidney disease (CKD). Many studies support that mitochondrial dysfunction and endoplasmic reticulum (ER) stress are implicated in the pathogenesis of CKD. In our study, we investigated the benefits and underlying mechanisms of Mito-TEMPO on renal fibrosis in 5/6 nephrectomy mice. Methods: Mice were randomly divided into five groups as follows: control group, CKD group, CKD + Mito-TEMPO (1 mg·kg-1 ·day-1 ) group, CKD + Mito-TEMPO (3 mg·kg-1 ·day-1 ) group, and Mito-TEMPO group (3 mg·kg-1 ·day-1 )...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29760448/the-gut-microbiota-and-the-brain-gut-kidney-axis-in-hypertension-and-chronic-kidney-disease
#11
REVIEW
Tao Yang, Elaine M Richards, Carl J Pepine, Mohan K Raizada
Crosstalk between the gut microbiota and the host has attracted considerable attention owing to its involvement in diverse diseases. Chronic kidney disease (CKD) is commonly associated with hypertension and is characterized by immune dysregulation, metabolic disorder and sympathetic activation, which are all linked to gut dysbiosis and altered host-microbiota crosstalk. In this Review, we discuss the complex interplay between the brain, the gut, the microbiota and the kidney in CKD and hypertension and explain our brain-gut-kidney axis hypothesis for the pathogenesis of these diseases...
May 14, 2018: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/29759420/lysyl-oxidase-like-2-contributes-to-renal-fibrosis-in-col4%C3%AE-3-alport-mice
#12
Dominic Cosgrove, Brianna Dufek, Daniel T Meehan, Duane Delimont, Michael Hartnett, Gina Samuelson, Michael Anne Gratton, Grady Phillips, Deidre A MacKenna, Gretchen Bain
Lysyl oxidase like-2 (LOXL2) is an amine oxidase with both intracellular and extracellular functions. Extracellularly, LOXL2 promotes collagen and elastin crosslinking, whereas intracellularly, LOXL2 has been reported to modify histone H3, stabilize SNAIL, and reduce cell polarity. Although LOXL2 promotes liver and lung fibrosis, little is known regarding its role in renal fibrosis. Here we determine whether LOXL2 influences kidney disease in COL4A3 (-/-) Alport mice. These mice were treated with a small molecule inhibitor selective for LOXL2 or with vehicle and assessed for glomerular sclerosis and fibrosis, albuminuria, blood urea nitrogen, lifespan, pro-fibrotic gene expression and ultrastructure of the glomerular basement membrane...
May 11, 2018: Kidney International
https://www.readbyqxmd.com/read/29755339/therapeutic-potential-of-a-prolyl-hydroxylase-inhibitor-fg-4592-for-parkinson-s-diseases-in-vitro-and-in-vivo-regulation-of-redox-biology-and-mitochondrial-function
#13
Xuan Li, Xin-Xin Cui, Ya-Jing Chen, Ting-Ting Wu, Huaxi Xu, Huiyong Yin, Yun-Cheng Wu
As the main transcription factor that regulates the cellular responses to hypoxia, Hypoxia-inducible factor-1α (HIF-1α) plays an important role in the pathogenesis of Parkinson's disease (PD). HIF-1α is normally degraded through ubiquitination after hydroxylation by prolyl hydroxylases (PHD). Emerging evidence has suggested that HIF PHD inhibitors (HIF-PHI) may have neuroprotective effects on PD through increasing HIF-1α levels. However, the therapeutic benefit of HIF-PHI for PD remains poorly explored due to the lack of proper clinical compounds and understanding of the underlying molecular mechanisms...
2018: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29742060/renal-involvement-in-autoinflammatory-diseases-and-inflammasome-mediated-chronic-kidney-damage
#14
REVIEW
Roberto Scarpioni, Laura Obici
Unprovoked activation of innate immune pathways and increased secretion of interleukin (IL)-1β and IL-18 are responsible for the protean clinical manifestations and the marked inflammatory response that characterise most hereditary autoinflammatory disorders. The kidney is a major target organ of this inflammatory process. The deposition of the acute-phase reactant serum amyloid A (SAA) as amyloid causes progressive glomerular and vascular damage and leads to organ failure. In this review we focus on the potential impact of hereditary autoinflammatory diseases on renal function, provide red flags that may guide the clinical suspicion of amyloid kidney damage and discuss the relevance of close renal monitoring for early diagnosis and prompt treatment...
January 2018: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29733462/current-and-potential-therapeutic-strategies-for-the-management-of-vascular-calcification-in-patients-with-chronic-kidney-disease-including-those-on-dialysis
#15
REVIEW
Irene Ruderman, Stephen G Holt, Tim D Hewitson, Edward R Smith, Nigel D Toussaint
Patients with CKD have accelerated vascular stiffening contributing significantly to excess cardiovascular morbidity and mortality. Much of the arterial stiffening is thought to involve vascular calcification (VC), but the pathogenesis of this phenomenon is complex, resulting from a disruption of the balance between promoters and inhibitors of calcification in a uremic milieu, along with derangements in calcium and phosphate metabolic pathways. Management of traditional cardiovascular risk factors to reduce VC may be influential but has not been shown to significantly improve mortality...
May 7, 2018: Seminars in Dialysis
https://www.readbyqxmd.com/read/29731617/oxidative-stress-aging-and-diseases
#16
REVIEW
Ilaria Liguori, Gennaro Russo, Francesco Curcio, Giulia Bulli, Luisa Aran, David Della-Morte, Gaetano Gargiulo, Gianluca Testa, Francesco Cacciatore, Domenico Bonaduce, Pasquale Abete
Reactive oxygen and nitrogen species (RONS) are produced by several endogenous and exogenous processes, and their negative effects are neutralized by antioxidant defenses. Oxidative stress occurs from the imbalance between RONS production and these antioxidant defenses. Aging is a process characterized by the progressive loss of tissue and organ function. The oxidative stress theory of aging is based on the hypothesis that age-associated functional losses are due to the accumulation of RONS-induced damages...
2018: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/29728993/the-crosstalk-of-gut-microbiota-and-chronic-kidney-disease-role-of-inflammation-proteinuria-hypertension-and-diabetes-mellitus
#17
REVIEW
Mehmet Kanbay, Emine M Onal, Baris Afsar, Tuncay Dagel, Aslihan Yerlikaya, Adrian Covic, Nosratola D Vaziri
Chronic kidney disease (CKD) has been shown to result in profound changes in the composition and functions of the gut microbial flora which by disrupting intestinal epithelial barrier and generating toxic by-products contributes to systemic inflammation and the associated complications. On the other hand, emerging evidence points to the role of the gut microbiota in the development and progression of CKD by provoking inflammation, proteinuria, hypertension, and diabetes. These observations demonstrate the causal interconnection between the gut microbial dysbiosis and CKD...
May 4, 2018: International Urology and Nephrology
https://www.readbyqxmd.com/read/29725629/acute-kidney-injury-in-pregnancy-the-changing-landscape-for-the-21st-century
#18
REVIEW
Swati Rao, Belinda Jim
Pregnancy-related acute kidney injury (Pr-AKI) remains a large public health problem, with decreasing incidences in developing countries but seemingly increasing incidences in the United States and Canada. These epidemiologic changes are reflective of the advances in medical and obstetric care, as well as changes in underlying maternal risk factors. The risk factors associated with advanced maternal age, such as hypertension, diabetes, chronic kidney disease, and those associated with reproductive technologies such as multiple gestations, are increasing...
March 2018: KI Reports
https://www.readbyqxmd.com/read/29722904/renal-complications-of-lipodystrophy-a-closer-look-at-the-natural-history-of-kidney-disease
#19
Baris Akinci, Sadiye Mehtat Unlu, Ali Celik, Ilgin Yildirim Simsir, Sait Sen, Banu Nur, Fatma Ela Keskin, Basak Ozgen Saydam, Nilufer Kutbay Ozdemir, Banu Sarer Yurekli, Bekir Ugur Ergur, Melda Sonmez, Tahir Atik, Atakan Arslan, Tevfik Demir, Canan Altay, Ulku Aybuke Tunc, Tugba Arkan, Ramazan Gen, Erdal Eren, Gulcin Akinci, Aslihan Arasli Yilmaz, Habib Bilen, Samim Ozen, Aygul Celtik, Senay Savas Erdeve, Semra Cetinkaya, Huseyin Onay, Sulen Sarioglu, Elif Arioglu Oral
OBJECTIVES: Lipodystrophy syndromes are a group of heterogeneous disorders characterized by adipose tissue loss. Proteinuria is a remarkable finding in previous reports. STUDY DESIGN: In this multicentre study, prospective follow-up data were collected from 103 subjects with non-HIV-associated lipodystrophy registered in the Turkish Lipodystrophy Study Group database to study renal complications in treatment naïve patients with lipodystrophy. METHODS: Main outcome measures included ascertainment of chronic kidney disease (CKD) by studying the level of proteinuria and the estimated glomerular filtration rate (eGFR)...
July 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29714040/mitoprotection-preserves-the-renal-vasculature-in-porcine-metabolic-syndrome
#20
Alfonso Eirin, Ahmad F Hedayat, Christopher M Ferguson, Stephen C Textor, Amir Lerman, Lilach O Lerman
NEW FINDINGS: What is the central question of this study? We hypothesized that chronic mitoprotection would decrease renal vascular remodelling and dysfunction in swine metabolic syndrome. What is the main finding and its importance? This study shows that experimental metabolic syndrome exerts renal microvascular and endothelial cell mitochondrial injury, which were attenuated by mitoprotection, underscoring the contribution of mitochondrial injury to the pathogenesis of metabolic syndrome-induced vascular damage...
April 30, 2018: Experimental Physiology
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