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https://www.readbyqxmd.com/read/27897392/toll-like-receptor-4-signalling-mediates-inflammation-in-skeletal-muscle-of-patients-with-chronic-kidney-disease
#1
Daniela Verzola, Alice Bonanni, Antonella Sofia, Fabrizio Montecucco, Elena D'Amato, Valeria Cademartori, Emanuele Luigi Parodi, Francesca Viazzi, Chiara Venturelli, Giuliano Brunori, Giacomo Garibotto
BACKGROUND: Inflammation in skeletal muscle is implicated in the pathogenesis of insulin resistance and cachexia but why uremia up-regulates pro-inflammatory cytokines is unknown. Toll-like receptors (TLRs) regulate locally the innate immune responses, but it is unknown whether in chronic kidney disease (CKD) TLR4 muscle signalling is altered. The aim of the study is to investigate whether in CKD muscle, TLRs had abnormal function and may be involved in transcription of pro-inflammatory cytokine...
October 18, 2016: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/27891268/a-case-report-describing-a-rare-presentation-of-simultaneous-occurrence-of-mpo-anca-associated-vasculitis-and-rheumatoid-arthritis
#2
Nathalie Foray, Tamer Hudali, Muralidhar Papireddy, John Gao
Background. Renal-limited myeloperoxidase vasculitis with simultaneous rheumatoid arthritis is reported as a rare occurrence. Review of literature suggests that most patients had a diagnosis of rheumatoid arthritis for several years prior to presenting with renal failure from myeloperoxidase vasculitis. Case Presentation. A 58-year-old Caucasian male presented to the hospital experiencing malaise, fevers, decreased oral intake, nausea, and vomiting for one week duration. His past medical history consisted of newly diagnosed but untreated rheumatoid arthritis, hypertension, and non-insulin-dependent diabetes mellitus...
2016: Case Reports in Nephrology
https://www.readbyqxmd.com/read/27783636/online-haemodiafiltration-improves-inflammatory-state-in-dialysis-patients-a-longitudinal-study
#3
Ines Rama, Ines Llaudó, Pere Fontova, Gema Cerezo, Carlos Soto, Casimiro Javierre, Miguel Hueso, Nuria Montero, Alberto Martínez-Castelao, Juan Torras, Josep M Grinyó, Josep M Cruzado, Nuria Lloberas
BACKGROUND: Patients undergoing conventional hemodialysis (C-HD) present a greater immuno-inflammatory state probably related to uremia, sympathetic nervous system (SNS) activation and /or membrane bioincompatibility, which could improve with a technique-switching to online hemodiafiltration (OL-HD). The antigen-independent pathway activation of this modified immunologic state turns dendritic cells (DC) into an accurate cell model to study these patients. The aim of this study is to further evaluate the immune-inflammatory state of patients in C-HD assessed by DC maturation...
2016: PloS One
https://www.readbyqxmd.com/read/27706649/effect-of-1-25-oh-2d3-and-lipopolysaccharide-on-mononuclear-cell-inflammation-in-type-2-diabetes-mellitus-and-diabetic-nephropathy-uremia
#4
E L Wu, H X Cui
The prevention and treatment of type-2 diabetes mellitus (T2DM) and diabetic nephropathy (DN), which are disorders with high incidence rates, is of primary importance. In this study, we analyzed the effect of 1,25-(OH)2D3 and lipopolysaccharide (LPS) in combination with interleukin (IL)-15 on the inflammatory immune response and expression of vitamin D receptor (VDR) in mononuclear cells of T2DM and DN uremia (DNU) patients. The human acute monocytic leukemia cell line THP-1 was treated with peripheral blood serum isolated from 30 healthy controls and T2DM and DNU patients each, cultured in the presence or absence of 1,25-(OH)2D3, and subsequently treated with LPS and IL-15...
August 29, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27517135/current-status-of-the-microbiome-in-renal-transplantation
#5
Sarwat Ahmad, Jonathan S Bromberg
PURPOSE OF REVIEW: An imbalance between pathogenic and protective microbiota characterizes dysbiosis. Presence of dysbiosis may affect immunity, tolerance, or disease depending on a variety of conditions. In the transplant patient population, the need for immunosuppression and widespread use of prophylactic and therapeutic antimicrobial agents create new posttransplant microbiota communities that remain to be fully defined. RECENT FINDINGS: Studies in mice have demonstrated significant bidirectional interactions between microbiota-derived products and host immune cells...
November 2016: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/27382192/pretransplant-immune-and-apoptosis-related-gene-expression-is-associated-with-kidney-allograft-function
#6
Dorota Kamińska, Katarzyna Kościelska-Kasprzak, Paweł Chudoba, Oktawia Mazanowska, Mirosław Banasik, Marcelina Żabinska, Maria Boratyńska, Agnieszka Lepiesza, Agnieszka Gomółkiewicz, Piotr Dzięgiel, Marian Klinger
Renal transplant candidates present immune dysregulation, caused by chronic uremia. The aim of the study was to investigate whether pretransplant peripheral blood gene expression of immune factors affects clinical outcome of renal allograft recipients. Methods. In a prospective study, we analyzed pretransplant peripheral blood gene expression in87 renal transplant candidates with real-time PCR on custom-designed low density arrays (TaqMan). Results. Immediate posttransplant graft function (14-day GFR) was influenced negatively by TGFB1 (P = 0...
2016: Mediators of Inflammation
https://www.readbyqxmd.com/read/27334898/merkel-cell-carcinoma-associated-with-stable-chronic-hemodialysis-a-report-of-two-cases
#7
Kotaro Nagase, Hiromi Kimura, Shizuka Ogawa, Akiko Tara-Hashimoto, Shinichi Koba, Takuya Inoue, Yutaka Narisawa
Merkel cell carcinoma (MCC) is a rare but aggressive cutaneous malignancy associated with the Merkel cell polyomavirus (MCPyV). Multiple studies have shown that the incidence of MCC is higher among immunocompromised individuals than among the general population. In fact, immunosuppressed individuals account for approximately 10% of the MCC patient population. In this report, we describe two cases of MCPyV-related MCC in Japanese patients on hemodialysis. In both the cases, MCC was present on the face. Both cellular and humoral immunities have been shown to be decreased in uremic patients, and dialysis patients have a high risk of viral-mediated cancers, including human papillomavirus-associated cancers...
June 23, 2016: Journal of Dermatology
https://www.readbyqxmd.com/read/27151919/immune-regulatory-molecule-cd69-controls-peritoneal-fibrosis
#8
Georgios Liappas, Guadalupe Tirma González-Mateo, Raquel Sánchez-Díaz, Juan José Lazcano, Sandra Lasarte, Adela Matesanz-Marín, Rafal Zur, Evelina Ferrantelli, Laura García Ramírez, Abelardo Aguilera, Elena Fernández-Ruiz, Robert H J Beelen, Rafael Selgas, Francisco Sánchez-Madrid, Pilar Martín, Manuel López-Cabrera
Patients with ESRD undergoing peritoneal dialysis develop progressive peritoneal fibrosis, which may lead to technique failure. Recent data point to Th17-mediated inflammation as a key contributor in peritoneal damage. The leukocyte antigen CD69 modulates the setting and progression of autoimmune and inflammatory diseases by controlling the balance between Th17 and regulatory T cells (Tregs). However, the relevance of CD69 in tissue fibrosis remains largely unknown. Thus, we explored the role of CD69 in fibroproliferative responses using a mouse model of peritoneal fibrosis induced by dialysis fluid exposure under either normal or uremic status...
December 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27065126/metabolic-response-to-an-inflammatory-challenge-in-pigs-divergently-selected-for-residual-feed-intake
#9
E Merlot, H Gilbert, N Le Floc'h
Selection for residual feed intake (RFI), which is used to select animals for feed efficiency, also influences nutrient partitioning between growth and maintenance functions. This study was designed to investigate if selection for reduced RFI can alter the trade-off between growth and immunity and contributes to differences in metabolic responses to an inflammatory challenge. Piglets from 2 lines divergently selected on RFI (low: RFI, = 10, and high: RFI, = 11) were challenged at 55 d of age (on d 0) with complete Freund's adjuvant (CFA) to induce a noninfectious pneumonia...
February 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27018948/dna-methylation-profiling-reveals-differences-in-the-3-human-monocyte-subsets-and-identifies-uremia-to-induce-dna-methylation-changes-during-differentiation
#10
Adam M Zawada, Jenny S Schneider, Anne I Michel, Kyrill S Rogacev, Björn Hummel, Nicolas Krezdorn, Soeren Müller, Björn Rotter, Peter Winter, Rima Obeid, Jürgen Geisel, Danilo Fliser, Gunnar H Heine
Human monocytes are a heterogeneous cell population consisting of 3 subsets: classical CD14++CD16-, intermediate CD14++CD16+ and nonclassical CD14+CD16++ monocytes. Via poorly characterized mechanisms, intermediate monocyte counts rise in chronic inflammatory diseases, among which chronic kidney disease is of particular epidemiologic importance. DNA methylation is a central epigenetic feature that controls hematopoiesis. By applying next-generation Methyl-Sequencing we now tested how far the 3 monocyte subsets differ in their DNA methylome and whether uremia induces DNA methylation changes in differentiating monocytes...
April 2, 2016: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/26981436/extracellular-vesicles-as-mediators-of-vascular-inflammation-in-kidney-disease
#11
REVIEW
Alexandra Helmke, Sibylle von Vietinghoff
Vascular inflammation is a common cause of renal impairment and a major cause of morbidity and mortality of patients with kidney disease. Current studies consistently show an increase of extracellular vesicles (EVs) in acute vasculitis and in patients with atherosclerosis. Recent research has elucidated mechanisms that mediate vascular wall leukocyte accumulation and differentiation. This review addresses the role of EVs in this process. Part one of this review addresses functional roles of EVs in renal vasculitis...
March 6, 2016: World Journal of Nephrology
https://www.readbyqxmd.com/read/26948058/platelet-clinical-proteomics-facts-challenges-and-future-perspectives
#12
Ángel García
In recent years, proteomics has been applied to platelet clinical research. Platelets are small enucleated cells that play a fundamental role in hemostasis. In a pathological context, unwanted platelet activation is related to various diseases, primarily thrombosis, but also cancer metastasis, inflammation, immunity, and neurodegenerative diseases. The absence of a nucleus is one of the reasons why proteomics can be considered an ideal analytical tool for platelet research. Indeed, platelet proteomics has allowed the identification of many novel signaling proteins and receptors, several of which are being pursued as potential therapeutic targets...
August 2016: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/26837678/serum-mannose-binding-lectin-in-patients-on-peritoneal-dialysis-compared-with-healthy-individuals
#13
Roghayeh Akbari, Iraj Najafi, Suzan Maleki, Reza Alizadeh-Navaei
INTRODUCTION: The increased susceptibility to infection in patients with end-stage renal disease is probably secondary to the impaired immune defense in uremia. Mannose-binding lectin (MBL) has an important role in host defense through activation of the lectin complement pathway. The aim of this study was to measure serum MBL level in peritoneal dialysis patients and compare it with a healthy group. MATERIALS AND METHODS: Seventy peritoneal dialysis patients and 70 healthy individuals were enrolled in this study...
January 2016: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/26677394/end-stage-renal-disease-patients-have-a-skewed-t-cell-receptor-v%C3%AE-repertoire
#14
Ling Huang, Anton W Langerak, Ingrid L M Wolvers-Tettero, Ruud W J Meijers, Carla C Baan, Nicolle H R Litjens, Michiel G H Betjes
BACKGROUND: End stage renal disease (ESRD) is associated with defective T-cell mediated immunity. A diverse T-cell receptor (TCR) Vβ repertoire is central to effective T-cell mediated immune responses to foreign antigens. In this study, the effect of ESRD on TCR Vβ repertoire was assessed. RESULTS: A higher proportion of ESRD patients (68.9 %) had a skewed TCR Vβ repertoire compared to age and cytomegalovirus (CMV) - IgG serostatus matched healthy individuals (31...
2015: Immunity & Ageing: I & A
https://www.readbyqxmd.com/read/26539739/lymphocyte-depletion-and-subset-alteration-correlate-to-renal-function-in-chronic-kidney-disease-patients
#15
Fang-fang Xiang, Jia-ming Zhu, Xue-sen Cao, Bo Shen, Jian-zhou Zou, Zhong-hua Liu, Hao Zhang, Jie Teng, Hong Liu, Xiao-qiang Ding
BACKGROUND: It is widely accepted that chronic renal failure is associated with severe alterations of immune system. However, few studies looked into the immune alteration in earlier stage of chronic kidney disease (CKD) patients. To characterize immune defect in CKD patients, we performed lymphocyte subset analysis and explored its relationship to renal function in this population. METHODS: 472 CKD patients were enrolled in this study. Lymphocyte subsets (CD19(+), CD3(+), CD3(+)CD4(+), CD3(+)CD8(+), CD56(+)CD16(+)) were determined by flow cytometry...
2016: Renal Failure
https://www.readbyqxmd.com/read/26361685/myeloid-sarcoma-presenting-with-multiple-skin-and-subcutaneous-mass-without-leukemic-manifestations-after-renal-transplantation
#16
J Shen, X Du, X Diao, L Zhao, W Wang, Y Yu, H Luo
BACKGROUND: Myeloid sarcoma is well described and known in clinical practice, however, it is a rare condition after receiving renal transplantation. Immunosuppressive therapy is thought to be the main cause in these cases. CASE REPORT: A 45-year-old woman accepted a right kidney transplantation because of her chronic renal insufficiency and uremia in May 2011. She had to receive a left kidney transplantation again in February 2012 because she had renal failure again after receiving the right kidney transplantation...
September 2015: Transplantation Proceedings
https://www.readbyqxmd.com/read/26310460/effect-of-chronic-uremia-on-the-cell-surface-expression-of-b7-family-costimulatory-molecules-in-an-hla-a2-transgenic-mouse-model-of-chronic-kidney-disease
#17
Paul E Makidon, Douglas M Smith, Jeffery V Groom Ii, Zhengyi Cao, Jeffery J Landers, James R Baker
Uremia due to chronic kidney disease (CKD) in humans is associated with immune dysfunction, increased susceptibility to infections, immune-activation-associated inflammation, and poor responses to vaccines. The pathophysiologic basis of these immune defects is hypothesized to be associated with a wide range of immunologic abnormalities, including an inability to sufficiently express the B7 family (B7-1, CD80; B7-2, CD86) of T-cell costimulatory molecules. However, testing the hypothesis that a state of chronic uremia contributes to attenuated expression of CD80 or CD86 has been difficult because few animal models faithfully recapitulate the immune defects observed in human CKD patients...
August 2015: Comparative Medicine
https://www.readbyqxmd.com/read/26093721/high-grade-inflammation-in-renal-failure-patients-according-to-mean-platelet-volume-improves-at-the-end-of-two-years-after-transplantation
#18
Y Bilen, E Çankaya, M Keleş, A Uyanık, B Aydınlı, N Bilen
BACKGROUND: Chronic kidney disease (CKD) is a worldwide disorder which is characterized by the presence of systemic low-grade inflammation. There is also acquired immune deficiency in this patient group which is clinically present with increased incidence of severe infections, poor response to vaccination, and increased risk of virus-associated cancers. Renal transplantation is one of the renal replacement modalities that restore renal functions. Mean platelet volume (MPV) is emerging as a marker of inflammation in many clinical conditions...
June 2015: Transplantation Proceedings
https://www.readbyqxmd.com/read/25911956/prophylactic-vaccinations-in-chronic-kidney-disease-current-status
#19
REVIEW
Alicja E Grzegorzewska
In this review, recent data on results concerning prophylactic vaccinations against hepatitis B virus, influenza viruses, and pneumococci are presented. Effects of active immunization in chronic kidney disease depend on category of glomerular filtration rate (GFR). The lower GFR category the better results of response to vaccination. Abnormalities in toll-like receptors and down-regulation of B-cell activating factor receptor in transitional B cells were recently included into uremia-associated deficits in immunocompetence...
2015: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/25851286/immune-disorders-in-hemodialysis-patients
#20
REVIEW
Mohammad Reza Sharif, Zahra Chitsazian, Mehdi Moosavian, Fariba Raygan, Hassan Nikoueinejad, Ali Reza Sharif, Behzad Einollahi
Immunologically, End Stage renal Disease (ESRD) is associated with some disorders in both innate and adaptive immune system in such a form that there is a coexistence of both immune activation and immune suppression. Although these disorders are complex yet thoroughly unknown, there is a close relation between the progressively defective immune system with side effects as well as mortality causes including cardiovascular problems, infections, and malignancies. From the other point, chronic inflammation as a major determinant of "dialysis syndrome" (including malnutrition, cachexia, and vasculopathy) is considered as the main factor of inability and mortality in dialysis patients...
March 2015: Iranian Journal of Kidney Diseases
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