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Chronic kidney disease immune

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https://www.readbyqxmd.com/read/28626071/nlrx1-dampens-oxidative-stress-and-apoptosis-in-tissue-injury-via-control-of-mitochondrial-activity
#1
Geurt Stokman, Lotte Kors, Pieter J Bakker, Elena Rampanelli, Nike Claessen, Gwendoline J D Teske, Loes Butter, Harmen van Andel, Marius A van den Bergh Weerman, Per W B Larsen, Mark C Dessing, Coert J Zuurbier, Stephen E Girardin, Sandrine Florquin, Jaklien C Leemans
Mitochondrial dysfunction is the most prominent source of oxidative stress in acute and chronic kidney disease. NLRX1 is a receptor of the innate immune system that is ubiquitously expressed and localized in mitochondria. We investigated whether NLRX1 may act at the interface of metabolism and innate immunity in a model of oxidative stress. Using a chimeric mouse model for renal ischemia-reperfusion injury, we found that NLRX1 protects against mortality, mitochondrial damage, and epithelial cell apoptosis in an oxidative stress-dependent fashion...
June 16, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28601878/role-of-immune-cells-in-acute-kidney-injury-and-repair
#2
Sul A Lee, Sanjeev Noel, Mohanraj Sadasivam, Abdel R A Hamad, Hamid Rabb
Acute kidney injury (AKI) is a significant problem in both native and transplant kidneys. There have been significant advances in understanding the role of immune cells in the early injury and repair from AKI. In this brief review, we aim to update information on the pathophysiologic impact of various immune cells in AKI, with special emphasis on repair. An improved understanding of the AKI immunopathology will lead to new therapies that prevent AKI, accelerate repair, and prevent the progression of AKI to chronic kidney disease...
June 10, 2017: Nephron
https://www.readbyqxmd.com/read/28600543/innate-and-adaptive-immunity-are-progressively-activated-in-parallel-with-renal-injury-in-the-5-6-renal-ablation-model
#3
Camilla Fanelli, Simone C A Arias, Flavia G Machado, Jessica K Okuma, Denise M A C Malheiros, Hatylas Azevedo, Carlos A Moreira-Filho, Niels O S Camara, Clarice K Fujihara, Roberto Zatz
The mechanisms triggering renal inflammation in chronic kidney disease (CKD) are unclear. We performed a detailed analysis of the time course of innate and adaptive immunity activation in the 5/6 renal ablation (Nx) model. Munich-Wistar rats undergoing Nx were studied 15, 60 and 120 days after ablation. Hypertension, albuminuria, creatinine retention, interstitial expansion and infiltration by macrophages and T-lymphocytes were already evident 15 days after Nx. PCR-array was used to screen for altered gene expression, whereas gene and protein expressions of TLR4, CASP1, IL-1β and NLRP3 were individually assessed...
June 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28596573/fibroblast-growth-factor-23-weakens-chemotaxis-of-human-blood-neutrophils-in-microfluidic-devices
#4
Ke Yang, Hagit Peretz-Soroka, Jiandong Wu, Ling Zhu, Xueling Cui, Michael Zhang, Claudio Rigatto, Yong Liu, Francis Lin
Neutrophil trafficking in tissues critically regulates the body's immune response. Neutrophil migration can either play a protective role in host defense or cause health problems. Fibroblast growth factor 23 (FGF23) is a known biomarker for chronic kidney disease (CKD) and was recently shown to impair neutrophil arrest on endothelium and transendothelial migration. In the present study, we further examined the effect of FGF23 on human blood neutrophil chemotaxis using two new microfluidic devices. Our results showed that chemotaxis of FGF23 pre-treated neutrophils to a fMLP gradient, in the presence or absence of a uniform FGF23 background, is quantitatively lower compared to the control cells...
June 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28579523/efficacy-of-spirulina-platensis-diet-supplements-on-disease-resistance-and-immune-related-gene-expression-in-cyprinus-carpio-l-exposed-to-herbicide-atrazine
#5
Samah R Khalil, Rasha M Reda, Ashraf Awad
The present study evaluated the immunotoxicological effects of the herbicide atrazine (ATZ) at sub-lethal concentrations and the potential ameliorative influence of Spirulina platensis (SP) over a sub-chronic exposure period on Cyprinus carpio L., also known as common carp. Common carp was sampled after a 40-days exposure to ATZ (428 μg/L) and SP (1%), individually or in combination to assess the non-specific immune response, changes in mRNA expression of immune-related genes [lysozyme (LYZ), immunoglobulin M (IgM), and complement component 3 (C3)] in the spleen, and inflammatory cytokines (interleukins IL-1ß and IL-10) in the head kidney using real-time PCR...
June 1, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28578015/therapeutic-pro-fibrogenic-signaling-pathways-in-fibroblasts
#6
Stefania Cannito, Erica Novo, Maurizio Parola
Myofibroblasts (MFs) play a critical role in the progression of chronic inflammatory and fibroproliferative diseases in different tissues/organs, whatever the etiology. Fibrosis is preceded and sustained by persistent injury and inflammatory response in a profibrogenic scenario involving mutual interactions, operated by several mediators and pathways, of MFs and related precursor cells with innate immunity cells and virtually any cell type in a defined tissue. These interactions, mediators and related signaling pathways are critical in initiating and perpetuating the differentiation of precursors cells into MFs that in different tissues share peculiar traits and phenotypic responses, including the ability to proliferate, produce ECM components, migrate and contribute to the modulation of inflammatory response and tissue angiogenesis...
May 31, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28560690/extrarenal-determinants-of-kidney-filter-function
#7
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/28554920/physical-activity-immune-function-and-inflammation-in-kidney-patients-the-pink-study-a-feasibility-trial-protocol
#8
Patrick James Highton, Jill Neale, Thomas J Wilkinson, Nicolette C Bishop, Alice C Smith
INTRODUCTION: Patients with chronic kidney disease (CKD) display increased infection-related mortality and elevated cardiovascular risk only partly attributed to traditional risk factors. Patients with CKD also exhibit a pro-inflammatory environment and impaired immune function. Aerobic exercise has the potential to positively impact these detriments, but is under-researched in this patient population. This feasibility study will investigate the effects of acute aerobic exercise on inflammation and immune function in patients with CKD to inform the design of larger studies intended to ultimately influence current exercise recommendations...
May 29, 2017: BMJ Open
https://www.readbyqxmd.com/read/28546078/doxycycline-affects-gene-expression-profiles-in-aortic-tissues-in-a-rat-model-of-vascular-calcification
#9
Hailin Lu, Wenhong Jiang, Han Yang, Zhong Qin, Si-En Guo, Ming Hu, Xiao Qin
Vitamin D3-induced vascular calcification (VC) in rats shares many phenotypical similarities with calcification occurring in human atherosclerosis, diabetes mellitus and chronic kidney disease, thereby it is a reliable model for identifying chemopreventive agents. Doxycycline has been shown to effectively attenuated VC. This study aimed to explore the effects of doxycycline on gene expression profiles in VC rats. The model of VC in rats was established by subcutaneous injection of vitamin D3 for 3days. Doxycycline at 120mgkg(-1)day(-1) was given via subcutaneous injection for 14days...
May 22, 2017: Microvascular Research
https://www.readbyqxmd.com/read/28535523/mycophenolate-mofetil-a-possible-alternative-treatment-for-iga-nephropathy
#10
Olga Baraldi, Giorgia Comai, Vania Cuna, Maria Cappuccilli, Carla Serra, Claudio Ronco, Gaetano La Manna
IgA nephropathy (IgAN) is the most common primary glomerulonephritis in developed countries and a leading cause of chronic kidney disease. IgAN is a mesangial proliferative glomerulonephritis characterized by diffuse mesangial deposition of IgA, often accompanied by the deposition of IgG and the C3 component of complement in a similar distribution. This condition is in most cases oligosymptomatic, often discovered coincidentally. Currently, there is no specific treatment available for IgAN and the use of immunosuppression therapy is debated...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28520799/nonenzymatic-glycosylation-of-human-serum-albumin-and-its-effect-on-antibodies-profile-in-patients-with-diabetes-mellitus
#11
Alok Raghav, Jamal Ahmad, Khursheed Alam
BACKGROUND: Albumin glycation and subsequent formation of advanced glycation end products (AGEs) correlate with diabetes and associated complications. METHODS: Human Serum Albumin (HSA) was modified with D-glucose for a 40 day period under sterile conditions at 37°C. Modified samples along with native HSA (unmodified) were analyzed for structural modifications by UV and fluorescence, FTIR, Liquid chromatography mass spectrometry (LCMS) and X-ray crystallography...
2017: PloS One
https://www.readbyqxmd.com/read/28512459/in-vivo-chronic-stimulation-unveils-autoreactive-potential-of-wiskott-aldrich-syndrome-protein-deficient-b-cells
#12
Maria Carmina Castiello, Francesca Pala, Lucia Sereni, Elena Draghici, Donato Inverso, Aisha V Sauer, Francesca Schena, Elena Fontana, Enrico Radaelli, Paolo Uva, Karla E Cervantes-Luevano, Federica Benvenuti, Pietro L Poliani, Matteo Iannacone, Elisabetta Traggiai, Anna Villa, Marita Bosticardo
Wiskott-Aldrich syndrome (WAS) is a primary immunodeficiency caused by mutations in the gene encoding the hematopoietic-specific WAS protein (WASp). WAS is frequently associated with autoimmunity, indicating a critical role of WASp in maintenance of tolerance. The role of B cells in the induction of autoreactive immune responses in WAS has been investigated in several settings, but the mechanisms leading to the development of autoimmune manifestations have been difficult to evaluate in the mouse models of the disease that do not spontaneously develop autoimmunity...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28511692/vitamin-d-receptor-activation-reduces-inflammatory-cytokines-and-plasma-micrornas-in-moderate-chronic-kidney-disease-a-randomized-trial
#13
Ladan Mansouri, Kristina Lundwall, Ali Moshfegh, Stefan H Jacobson, Joachim Lundahl, Jonas Spaak
BACKGROUND: Chronic kidney disease (CKD) is a major risk factor for cardiovascular disease (CVD), partly due to endothelial dysfunction and chronic inflammation. Vitamin D treatment in end stage renal disease is suggested to modulate the immune system and lead to improved outcomes. We and others have demonstrated that treatment with vitamin D or activated vitamin D analogues protects the endothelial function in less severe renal disease as well. Since the endothelial protection might be mediated by vitamin D effects on inflammation, we assessed levels of pro-inflammatory cytokines and micro RNAs (miRs) in patients with moderate CKD, treated with an active vitamin D analogue (paricalcitol)...
May 16, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28509128/a-case-of-rapid-amelioration-of-hepatitis-c-virus-associated-cryoglobulinemic-membranoproliferative-glomerulonephritis-treated-by-interferon-free-directly-acting-antivirals-for-hcv-in-the-absence-of-immunosuppressant
#14
Fumiaki Obata, Taichi Murakami, Junko Miyagi, Sayo Ueda, Taizo Inagaki, Masanori Minato, Hiroyuki Ono, Kenji Nishimura, Eriko Shibata, Masanori Tamaki, Sakiya Yoshimoto, Fumi Kishi, Seiji Kishi, Motokazu Matsuura, Kojiro Nagai, Hideharu Abe, Toshio Doi
Mixed cryoglobulinemic syndrome, which is a systemic vasculitis characterized by the immune complex deposition in small- and medium-sized arteries and most often due to chronic hepatitis C virus (HCV) infection, sometimes clinically manifests as refractory glomerulonephritis or nephritic syndrome. Patients with mixed cryoglobulinemic nephropathy who have a rapidly progressive glomerulonephritis should receive immunosuppressive therapy. After disease stabilization, patients should receive concurrent therapy for the underlying HCV infection...
May 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28507915/smoking-in-renal-transplantation-facts-beyond-myth
#15
REVIEW
Ahmed Aref, Ajay Sharma, Ahmed Halawa
Smoking is one of the preventable leading causes of death worldwide. Most of the studies focused on the association between smoking and cardiovascular disease, pulmonary diseases, malignancy and death. However, the direct effect of smoking on the renal system was undermind. There are emerging evidence correlating tobacco use with pathological changes in the normal kidneys. The effect is more obvious on the renal allograft most probably due to the chronic immune suppression status and the metabolic effect of the drugs...
April 24, 2017: World Journal of Transplantation
https://www.readbyqxmd.com/read/28494193/long-term-trends-in-invasive-pneumococcal-disease-in-manitoba-canada
#16
Salaheddin M Mahmud, Hasantha Sinnock, Luiz C Mostaço-Guidolin, Gurpreet Pabla, Aleksandra K Wierzbowski, Songul Bozat-Emre
Invasive pneumococcal disease (IPD) remains a significant public health problem in Manitoba, Canada although publically-funded pneumococcal conjugate (PCV7 and PCV13) and polysaccharide (PPV23) vaccination programs exist. We analyzed routine surveillance and administrative health data to examine trends in IPD rates as these vaccines were introduced. Data on all individuals with a laboratory-confirmed diagnosis of IPD between 2001 and 2014 were obtained from the provincial Communicable Diseases Surveillance database and linked with Manitoba's provincial immunization registry and physician and hospital databases...
May 11, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28489180/does-infection-by-the-hepatitis-c-virus-decrease-the-response-of-immunization-against-the-hepatitis-b-virus-in-individuals-undergoing-dialysis
#17
Tarcila Maria Bonfim Ferreira, Tácio Giordano Santana Guimarães, Andrea Martins Melo Fontenele, Natalino Salgado, Adalgisa de Souza Paiva Ferreira, Alessandra Porto de Macedo Costa
Introduction: Vaccination is the most effective tool in preventing transmission of Hepatitis B Virus (HBV). The patient with chronic kidney disease (CKD) on dialysis appear to be at greater risk of becoming infected with this virus and does not show the same vaccine response when compared to patients without uremia. Objectives: To evaluate the results related to the HBV vaccine and identify factors associated with the response in patients with CKD on hemodialysis...
April 27, 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/28484449/interleukin-6-signaling-pathway-and-its-role-in-kidney-disease-an-update
#18
REVIEW
Hua Su, Chun-Tao Lei, Chun Zhang
Interleukin-6 (IL-6) is a pleiotropic cytokine that not only regulates the immune and inflammatory response but also affects hematopoiesis, metabolism, and organ development. IL-6 can simultaneously elicit distinct or even contradictory physiopathological processes, which is likely discriminated by the cascades of signaling pathway, termed classic and trans-signaling. Besides playing several important physiological roles, dysregulated IL-6 has been demonstrated to underlie a number of autoimmune and inflammatory diseases, metabolic abnormalities, and malignancies...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28482922/therapeutic-effect-of-schistosoma-japonicum-cystatin-on-bacterial-sepsis-in-mice
#19
Huihui Li, Shushu Wang, Bin Zhan, Wenxin He, Liang Chu, Dapeng Qiu, Nan Li, Yongkun Wan, Hui Zhang, Xingzhi Chen, Qiang Fang, Jilong Shen, Xiaodi Yang
BACKGROUND: Sepsis is a life-threatening complication of an infection and remains one of the leading causes of mortality in surgical patients. Bacteremia induces excessive inflammatory responses that result in multiple organ damage. Chronic helminth infection and helminth-derived materials have been found to immunomodulate host immune system to reduce inflammation against some allergic or inflammatory diseases. Schistosoma japonicum cystatin (Sj-Cys) is a cysteine protease inhibitor that induces regulatory T-cells and a potential immunomodulatory...
May 8, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28482823/t-cells-contribute-to-hypertension-but-not-to-renal-injury-in-mice-with-subtotal-nephrectomy
#20
Nynke R Oosterhuis, Diana A Papazova, Hendrik Gremmels, Jaap A Joles, Marianne C Verhaar
BACKGROUND: The pathological condition of chronic kidney disease may not be adequately recapitulated in immunocompromised mice due to the lack of T-cells, which are important for the development of hypertension and renal injury. We studied the role of the immune system in relation to salt-sensitive hypertension and renal injury in mice with subtotal nephrectomy (SNX). METHODS: Wild-type immunocompetent (WT) and Foxn1(nu/nu) athymic immunodeficient (AT) CD-1 mice underwent SNX to induce renal injury after which they received standard chow or a high salt diet (HSD)...
May 8, 2017: BMC Nephrology
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