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Pathogenesis treatment chronic kidney disease

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https://www.readbyqxmd.com/read/28710615/aldosterone-antagonist-therapy-and-its-relationship-with-inflammation-fibrosis-thrombosis-mineral-bone-disorder-and-cardiovascular-complications-in-peritoneal-dialysis-pd-patients
#1
Rafał Donderski, Paweł Stróżecki, Beata Sulikowska, Magdalena Grajewska, Ilona Miśkowiec, Anna Stefańska, Joanna Siódmiak, Grażyna Odrowąż-Sypniewska, Jacek Manitius
BACKGROUND: High aldosterone level may contribute to pathogenesis of hypertension, vessels damage and cardiovascular system deterioration in chronic kidney disease patients. Besides its classical action via mineralocorticoid receptor, aldosterone is also involved in cell growth, inflammation, oxidative stress, endothelial dysfunction and exerts fibroproliferative effects. The aim of the study was to assess whether aldosterone antagonist treatment may influence serum level of inflammatory, fibrosis, thrombosis and mineral-bone metabolism markers in peritoneal dialysis (PD) patients and blood pressure, aortic stiffness, echocardiographic indices after 12 months of treatment...
July 14, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28668506/interleukin-33-signaling-contributes-to-renal-fibrosis-following-ischemia-reperfusion
#2
Hua Liang, Feng Xu, Xian-Jie Wen, Hong-Zhen Liu, Han-Bing Wang, Ji-Ying Zhong, Cheng-Xiang Yang, Bin Zhang
Acute kidney injury caused by ischemia-reperfusion injury (IRI) is a major risk factor for chronic kidney disease, which is characterized by renal interstitial fibrosis. However, the molecular mechanisms underlying renal fibrosis induced by IRI are not fully understood. Our results showed that interleukin (IL)-33 was induced markedly after IRI insult, and the kidneys of mice following IRI plus IL-33 treatment presented more severe renal fibrosis compared with mice treated with IRI alone. Therefore, we investigated whether inhibition of IL-33 protects against IRI-induced renal fibrosis...
June 28, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28616217/is-chronic-kidney-disease-mineral-and-bone-disorder-associated-with-the-presence-of-endothelial-progenitor-cells-with-a-calcifying-phenotype
#3
Giuseppe Cianciolo, Irene Capelli, Maria Cappuccilli, Anna Scrivo, Chiara Donadei, Antonio Marchetti, Paola Rucci, Gaetano La Manna
Background: Chronic kidney disease-mineral and bone disorder (CKD-MBD) has been implicated in vascular calcification pathogenesis. CKD-MBD results in alterations in the number and function of circulating endothelial progenitor cells (EPCs), physiological regulators of angiogenesis and vessel repair, commonly defined as proangiogenic progenitor cells (PACs) by the antigen pattern CD34+CD133+KDR+CD45- and putative EPCs by the pattern CD34+CD133-KDR+CD45-. These cells might acquire a calcifying phenotype in CKD-MBD, expressing mineralization biomarkers...
June 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28605068/endoplasmic-reticulum-stress-in-the-pathogenesis-of-hypertension
#4
Colin N Young
The endoplasmic reticulum (ER) is a cellular organelle specialized in the synthesis, folding, assembly, and modification of proteins. In situations of increased protein demand, complex signaling pathways, termed the unfolded protein response (UPR), influence a series of cellular feedback loops to strictly control ER function. While initially a compensatory attempt to maintain cellular homeostasis, chronic activation of the UPR, known as ER stress, leads to sustained changes in cellular function. A growing body of literature points to ER stress in diverse cardioregulatory systems, including the brain, kidney and vasculature, as central to the development of hypertension...
June 12, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28594240/dimethylarginine-dimethylaminohydrolase-1-deficiency-induces-the-epithelial-to-mesenchymal-transition-in-renal-proximal-tubular-epithelial-cells-and-exacerbates-kidney-damage-in-aged-and-diabetic-mice
#5
Linlin Shi, Chenyang Zhao, Hongyun Wang, Tong Lei, Shasha Liu, Jianwei Cao, Zhongbing Lu
AIMS: Asymmetric dimethylarginine (ADMA), an endogenous inhibitor of nitric oxide synthase, is mainly degraded by dimethylarginine dimethylaminohydrolase (DDAH). Emerging evidence suggests that plasma ADMA accumulation and DDAH1 activity/expression reduction are linked to chronic kidney disease (CKD) pathology, but the mechanisms remain largely unknown. Here, we examined the role of ADMA/DDAH1 in the epithelial-mesenchymal transition (EMT) of tubular epithelial cells (TECs), an important mechanism for the pathogenesis of renal fibrosis...
July 7, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28578904/role-of-ras-wnt-%C3%AE-catenin-axis-activation-in-the-pathogenesis-of-podocyte-injury-and-tubulo-interstitial-nephropathy
#6
Lin Chen, Dan-Qian Chen, Ming Wang, Dan Liu, Hua Chen, Fang Dou, Nosratola D Vaziri, Ying-Yong Zhao
Renin-angiotensin system (RAS) plays a key role in the development and progression of chronic kidney disease (CKD). Recent studies have demonstrated activation of Wnt/β-catenin pathway by RAS in CKD. However, the underlying mechanisms of RAS and Wnt/β-catenin signaling interaction and their contribution to the pathogenesis of CKD have not been fully elucidated. Present study is designed to investigate the role of RAS/Wnt/β-catenin axis activation in tubulo-interstitial fibrosis and glomerulosclerosis by the cultured HK-2 and podocytes...
June 2, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28575878/kidney-calculi-pathophysiology-and-as-a-systemic-disorder
#7
Arash Shadman, Bahar Bastani
The pathophysiology of urinary stone formation is complex, involving a combination of metabolic, genetic, and environmental factors. Over the past decades, remarkable advances have been emerged in the understanding of the pathogenesis, diagnosis, and treatment of calcium kidney calculi. For this review, both original and review articles were found via PubMed search on pathophysiology, diagnosis, and management of urinary calculi. These resources were integrated with the authors' knowledge of the field. Nephrolithiasis is suggested to be associated with systemic disorders, including chronic kidney insufficiency, hematologic malignancies, endocrine disorders, autoimmune diseases, inflammatory bowel diseases, bone loss and fractures, hypertension, type 2 diabetes mellitus, metabolic syndrome, and vascular diseases like coronary heart diseases and most recently ischemic strokes...
May 2017: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/28560690/extrarenal-determinants-of-kidney-filter-function
#8
REVIEW
Eunsil Hahm, Vasil Peev, Jochen Reiser
The kidney is an organ involved in cross talk with many human organs. The link between the immune system and the kidney has been studied in some detail, although data precisely elucidating their interaction are sparse, in particular with regard to the function of the kidney filter apparatus. Current research suggests that an understanding of the impairment of this cross talk between the bone marrow, as a fundament of the immune system and the kidney will provide meaningful insights into the pathophysiological mechanisms of impaired kidney filter function...
July 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28546765/vitamin-d-prohormone-in-the-treatment-of-secondary-hyperparathyroidism-in-patients-with-chronic-kidney-disease
#9
REVIEW
Claudia Friedl, Emanuel Zitt
Secondary hyperparathyroidism (sHPT) represents the adaptive and very often, finally, maladaptive response of the organism to control the disturbed homeostasis of calcium, phosphorus, and vitamin D metabolism caused by declining renal function in chronic kidney disease (CKD). sHPT leads to cardiovascular and extravascular calcifications and is directly linked to an increased risk of cardiovascular morbidity and mortality as well as excess all-cause mortality. Vitamin D plays an important role in the development of sHPT...
2017: International Journal of Nephrology and Renovascular Disease
https://www.readbyqxmd.com/read/28516889/an-update-on-the-animal-models-in-hyperuricaemia-research
#10
REVIEW
Yantong Zhu, Xiaofei Peng, Guanghui Ling
Hyperuricaemia is a metabolic disease caused by purine metabolic abnormalities, mainly due to the increased formation or reduced excretion of uric acid. In recent years, it has been proved that hyperuricaemia is an important risk factor for chronic kidney disease (CKD) and cardiovascular disease, and it also takes part in the pathophysiology of metabolic syndrome. In addition, more attention has been concentrated on the pathogenesis or treatment of hyperuricaemia. Since establishing an animal model on hyperuricaemia is the foundation for further researches, several methods to establish the hyperuricaemia model have been developed...
May 8, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28508124/dna-hypermethylation-of-sfrp5-contributes-to-indoxyl-sulfate-induced-renal-fibrosis
#11
Yanlin Yu, Xu Guan, Ling Nie, Yong Liu, Ting He, Jiachuan Xiong, Xinli Xu, Yan Li, Ke Yang, Yiqin Wang, Yunjian Huang, Bing Feng, Jingbo Zhang, Jinghong Zhao
Renal fibrosis is the most common outcome of chronic kidney disease (CKD), while the pathogenesis of renal fibrosis is not fully understood. In this study, we first showed that the progress of renal fibrosis was positively related to serum levels of indoxyl sulfate, a typical protein-bound toxin, and that there was a close correlation between serum indoxyl sulfate levels and β-catenin expression in the kidneys (r = 0.908, p < 0.001) of CKD patients. We then demonstrated that intraperitoneal injections of indoxyl sulfate (100 mg/kg/day) for 4 weeks in uninephrectomized mice explicitly induced renal fibrosis, which was accompanied by a significant activation of Wnt/β-catenin signaling...
May 15, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28505627/endothelial-damage-signals-refractory-acute-kidney-injury-in-critically-ill-patients
#12
Theis S Itenov, Jens-Ulrik Jensen, Sisse R Ostrowski, Pär I Johansson, Katrin M Thormar, Jens D Lundgren, Morten H Bestle
Critically ill patients with acute kidney injury (AKI) are heterogeneous on pathophysiology and prognosis. The role of endothelial damage in the pathogenesis of refractory AKI has not been clarified. The aim was to determine if biomarkers of endothelial damage, independently of the inflammatory insult on the kidney, can predict recovery of acute kidney injury. METHODS: From the "Procalcitonin And Survival Study" multicenter intensive care unit cohort, followed for 28 days after admission, we included patients without chronic kidney disease, who survived >24 h after admission and with plasma samples at admission available for biomarker analysis...
June 2017: Shock
https://www.readbyqxmd.com/read/28487875/impact-of-sertraline-on-serum-concentration-of-crp-in-hemodialysis-patients-with-depression
#13
Narges Sadat Zahed, Marjan Sharifi, Mahdi Karimi, Hajar Nikbakht
Introduction: Depression is the most prevalent psychological problem among hemodialysis (HD) patients. Inflammatory factors have been reported to play an important role in the pathogenesis of depression. The association between depression and inflammatory factors was established in chronic kidney disease (CKD) patients. Sertraline, a selective serotonin reuptake inhibitor (SSRI) antidepressant, decreases serum levels of inflammatory factors in patients with depression. Objectives: This study was designed to assess the effect of sertraline on serum concentration of C-reactive protein (CRP), hemoglobin and albumin of depressed hemodialysis (HD) patients...
2017: Journal of Renal Injury Prevention
https://www.readbyqxmd.com/read/28469080/single-cell-rna-sequencing-to-dissect-the-molecular-heterogeneity-in-lupus-nephritis
#14
Evan Der, Saritha Ranabothu, Hemant Suryawanshi, Kemal M Akat, Robert Clancy, Pavel Morozov, Manjunath Kustagi, Mareike Czuppa, Peter Izmirly, H Michael Belmont, Tao Wang, Nicole Jordan, Nicole Bornkamp, Janet Nwaukoni, July Martinez, Beatrice Goilav, Jill P Buyon, Thomas Tuschl, Chaim Putterman
Lupus nephritis is a leading cause of mortality among systemic lupus erythematosus (SLE) patients, and its heterogeneous nature poses a significant challenge to the development of effective diagnostics and treatments. Single cell RNA sequencing (scRNA-seq) offers a potential solution to dissect the heterogeneity of the disease and enables the study of similar cell types distant from the site of renal injury to identify novel biomarkers. We applied scRNA-seq to human renal and skin biopsy tissues and demonstrated that scRNA-seq can be performed on samples obtained during routine care...
May 4, 2017: JCI Insight
https://www.readbyqxmd.com/read/28468297/hypoxia-hif-and-associated-signaling-networks-in-chronic-kidney-disease
#15
REVIEW
Jing Liu, Qingqing Wei, Chunyuan Guo, Guie Dong, Yu Liu, Chengyuan Tang, Zheng Dong
The pathogenesis of chronic kidney disease (CKD) is complex and apparently multifactorial. Hypoxia or decrease in oxygen supply in kidney tissues has been implicated in CKD. Hypoxia inducible factors (HIF) are a small family of transcription factors that are mainly responsive to hypoxia and mediate hypoxic response. HIF plays a critical role in renal fibrosis during CKD through the modulation of gene transcription, crosstalk with multiple signaling pathways, epithelial-mesenchymal transition, and epigenetic regulation...
April 30, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28455644/treatment-of-pediatric-chronic-kidney-disease-mineral-and-bone-disorder
#16
REVIEW
Mark R Hanudel, Isidro B Salusky
PURPOSE OF REVIEW: In this paper, we review the pathogenesis and treatment of chronic kidney disease-mineral and bone disorder (CKD-MBD), especially as it relates to pediatric CKD patients. RECENT FINDINGS: Disordered regulation of bone and mineral metabolism in CKD may result in fractures, skeletal deformities, and poor growth, which is especially relevant for pediatric CKD patients. Moreover, CKD-MBD may result in extra-skeletal calcification and cardiovascular morbidity...
June 2017: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/28445401/tradeoff-in-the-nephron-a-theory-to-explain-the-primacy-of-phosphate-in-the-pathogenesis-of-secondary-hyperparathyroidism
#17
Kenneth R Phelps
Chronic kidney disease (CKD) causes secondary hyperparathyroidism (SHPT). The cardinal features of SHPT are persistence of normocalcemia as CKD progresses and dependence of the parathyroid hormone concentration ([PTH]) on phosphate influx (IP). The tradeoff-in-the-nephron hypothesis integrates these features. It states that as the glomerular filtration rate (GFR) falls, the phosphate concentration ([P]CDN) rises in the cortical distal nephron, the calcium concentration ([Ca]CDN) in that segment falls, and [PTH] rises to maintain normal calcium reabsorption per volume of filtrate (TRCa/GFR)...
April 26, 2017: Nutrients
https://www.readbyqxmd.com/read/28442634/pharmacologic-targeting-erk1-2-attenuates-the-development-and-progression-of-hyperuricemic-nephropathy-in-rats
#18
Na Liu, Liuqing Xu, Yingfeng Shi, Lu Fang, Hongwei Gu, Hongrui Wang, Xiaoqiang Ding, Shougang Zhuang
The pathogenesis of hyperuricemia-induced chronic kidney disease is largely unknown. In this study, we investigated whether extracellular signal-regulated kinases1/2 (ERK1/2) would contribute to the development of hyperuricemic nephropathy (HN). In a rat model of HN induced by feeding mixture of adenine and potassium oxonate, increased ERK1/2 phosphorylation and severe glomerular sclerosis and renal interstitial fibrosis were evident, in parallel with diminished levels of renal function and increased urine microalbumin excretion...
May 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28434671/resveratrol-improves-mitochondrial-function-in-the-remnant-kidney-from-5-6-nephrectomized-rats
#19
Yan Hui, Miaomiao Lu, Yarong Han, Hongli Zhou, Wei Liu, Lijing Li, Ruixia Jin
Mitochondrial dysfunction is involved in the pathogenesis of chronic kidney disease (CKD). Resveratrol has been demonstrated to be beneficial for the recovery of kidney diseases. In this study, the 5/6 nephrectomized rat was used as a CKD model and the TGF-β1-exposed mouse mesangial cells were used as an in vitro model. Pathological examination showed that resveratrol treatment attenuated glomerular injury in the remnant kidney of 5/6 nephrectomized rat. Additionally, resveratrol improved mitochondrial function in vivo and in vitro, as evidenced by increasing mitochondrial membrane potential, increasing ATP, decreasing reactive oxygen species production and enhancing activities of complex I and III...
May 2017: Acta Histochemica
https://www.readbyqxmd.com/read/28413991/potential-role-of-endothelin-in-early-vascular-aging
#20
Michelle Trindade, Wille Oigman, Mario Fritsch Neves
Early vascular aging is a process associated with gradual alterations in the vessels, regarding to their structure and function, taking a more rapid course than normal biological aging in the arteries. In the presence of cardiovascular disease, these age-associated alterations are accelerated, contributing for the appearance or the progression of cardiovascular disease, such as high blood pressure, dyslipidemia, smoking and diabetes. Endothelin-1 (ET-1) is the most abundant and important endothelin produced by vascular cells...
April 14, 2017: Current Hypertension Reviews
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