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Renal immunology

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https://www.readbyqxmd.com/read/28819535/clinical-features-and-antinuclear-antibodies-profile-among-adults-with-systemic-lupus-erythematosus-and-lupus-nephritis-a-cross-sectional-study
#1
Nashwa Ahmed, Mazin Shigidi, Al Nour Al Agib, Hassan Abdelrahman, Elshafie Taha
INTRODUCTION: Limited data is available regarding the clinical manifestations and pattern of Systemic Lupus Erythematosus (SLE) in Sudan. This study aimed to determine the clinical manifestations and Antinuclear Antibodies (ANA) profile among Sudanese adults with SLE and lupus nephritis (LN). METHODS: A descriptive study was conducted in Omdurman Military Hospital, Sudan. It included all adults with SLE and on regular follow-up during the study period (December 2012 to May 2013)...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28816299/-application-of-intraoperative-cell-salvage-combined-with-leukocyte-depletion-filter-on-radical-nephrectomy-for-renal-carcinoma-with-inferior-vena-cava-tumor-thrombus-2-case-reports
#2
H Zeng, X Y Rong, X Q Zhang, X Y Guo
Intraoperative cell salvage (IOCS) has been widely used to reduce allogeneic blood transfusion and prevent blood transfusion related complications during surgery. However, due to the risk of transfusion related reaction, contamination, and immunological reaction, its use for tumor patients has been controversial and limited. To explore the feasibility of the application of IOCS in cancer patients, we reported 2 cases of renal cell carcinoma (RCC) with tumor embolism in IVC that underwent radical nephrectomy,and inferior caval venous thrombectomy receiving IOCS combined with leukocyte depletion filter (LDF) from August 2016 to November 2016 in our hospital...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28791773/sarcoidosis-with-takayasu-arteritis-a-model-of-overlapping-granulomatosis-a-report-of-seven-cases-and-literature-review
#3
Catherine Chapelon-Abric, David Saadoun, Isabelle Marie, Cloé Comarmond, Anne Claire Desbois, Fanny Domont, Léa Savey, Patrice Cacoub
OBJECTIVE: To describe the features of exceptional coexisting Takayasu arteritis (TA) and sarcoidosis, two conditions of unknown cause associated with a common immunologic pattern. METHODS: We report seven cases of concomitant sarcoidosis-Takayasu or Takayasu-like vasculitis, observed in two referral centers between 1995 and 2015. RESULTS: All patients were female. The mean age at sarcoidosis diagnosis and TA diagnosis was 36 and 37 years, respectively...
August 8, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28780738/john-p-craig-md-mph-physician-scientist-educator-and-mentor-1923-2016
#4
M A Haseeb, Pascal James Imperato
John P. Craig (1923-2016) was an eminent physician-scientist, gifted educator, and greatly valued mentor. Born in West Liberty, Ohio on 29 November 1923, he attended Oberlin College, and received his medical degree from Case Western Reserve University, School of Medicine. This was followed by an internship at Yale University Medical Center, and then service in the U.S. Army during the Korean War. He was a battalion surgeon, preventive medicine officer, and epidemiologist. While in Korea, he conducted important investigations of hemorrhagic fever among American troops...
August 5, 2017: Journal of Community Health
https://www.readbyqxmd.com/read/28767349/igg-endopeptidase-in-highly-sensitized-patients-undergoing-transplantation
#5
MULTICENTER STUDY
Stanley C Jordan, Tomas Lorant, Jua Choi, Christian Kjellman, Lena Winstedt, Mats Bengtsson, Xiaohai Zhang, Torsten Eich, Mieko Toyoda, Britt-Marie Eriksson, Shili Ge, Alice Peng, Sofia Järnum, Kathryn J Wood, Torbjorn Lundgren, Lars Wennberg, Lars Bäckman, Erik Larsson, Rafael Villicana, Joe Kahwaji, Sabrina Louie, Alexis Kang, Mark Haas, Cynthia Nast, Ashley Vo, Gunnar Tufveson
BACKGROUND: Donor-specific antibodies create an immunologic barrier to transplantation. Current therapies to modify donor-specific antibodies are limited and ineffective in the most highly HLA-sensitized patients. The IgG-degrading enzyme derived from Streptococcus pyogenes (IdeS), an endopeptidase, cleaves human IgG into F(ab')2 and Fc fragments inhibiting complement-dependent cytotoxicity and antibody-dependent cellular cytotoxicity, which suggests that IdeS might be useful for desensitization...
August 3, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28761234/the-epidemiology-clinical-features-and-outcome-of-infection-related-glomerulonephritis-from-east-india-a-single-center-experience
#6
M Trivedi, A Pasari, A R Chowdhury, A A Kurien, R Pandey
Infection-related glomerulonephritis (IRGN) is an example of immunological renal injury due to non-renal infections. With the changing face of IRGN over the years, renal biopsy definitely has an important role to play in differentiating this disease from the other masquerades and helps in prognosticating the long-term outcomes. This prospective study includes biopsy-proven IRGN cases who presented to us from July 2010 to July 2013 from a single center in East India. Of the 168 patients suspected and screened, 137 patients were proved to have IRGN...
July 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28736636/biological-agents-in-gastrointestinal-cancers-adverse-effects-and-their-management
#7
REVIEW
Nivedita Arora, Arjun Gupta, Preet Paul Singh
Biological therapy comprises agents that by virtue of their unique mechanisms of action, are able to specifically incite a response against or target malignant cells. They differ from conventional chemotherapy with regard to mechanisms of action, indications and side effect profile. Biologic agents have revolutionized therapy for a number of malignancies. In the setting of gastrointestinal (GI) malignancies, agents targeting vascular endothelial growth factor (VEGF), human epidermal growth factor receptor 2 (Her2/Neu) and epidermal growth factor receptor (EGFR) have proven to be invaluable additions to chemotherapy...
June 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28729288/urinary-extracellular-vesicles-of-podocyte-origin-and-renal-injury-in-preeclampsia
#8
Sarwat I Gilani, Ulrik Dolberg Anderson, Muthuvel Jayachandran, Tracey L Weissgerber, Ladan Zand, Wendy M White, Natasa Milic, Maria Lourdes Gonzalez Suarez, Rangit Reddy Vallapureddy, Åsa Nääv, Lena Erlandsson, John C Lieske, Joseph P Grande, Karl A Nath, Stefan R Hansson, Vesna D Garovic
Renal histologic expression of the podocyte-specific protein, nephrin, but not podocin, is reduced in preeclamptic compared with normotensive pregnancies. We hypothesized that renal expression of podocyte-specific proteins would be reflected in urinary extracellular vesicles (EVs) of podocyte origin and accompanied by increased urinary soluble nephrin levels (nephrinuria) in preeclampsia. We further postulated that podocyte injury and attendant formation of EVs are related mechanistically to cellfree fetal hemoglobin (HbF) in maternal plasma...
July 20, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28729034/prolonged-renal-survival-in-light-chain-amyloidosis-speed-and-magnitude-of-light-chain-reduction-is-the-crucial-factor
#9
Tamer Rezk, Helen J Lachmann, Marianna Fontana, Sajitha Sachchithanantham, Shameem Mahmood, Aviva Petrie, Carol J Whelan, Jennifer H Pinney, Darren Foard, Thirusha Lane, Taryn Youngstein, Ashutosh D Wechalekar, Paul Bass, Philip N Hawkins, Julian D Gillmore
Renal involvement causing progressive chronic kidney disease (CKD) is present in 70% of patients with systemic Ig light-chain (AL) amyloidosis at diagnosis. Chemotherapy that substantially suppresses free light chain production is associated with improved patient survival, but its benefit in delaying the onset of renal replacement therapy among patients who present with established advanced CKD has not been studied. To evaluate this, we studied 1000 patients enrolled in the prospective UK AL amyloidosis chemotherapy study (ALchemy)...
July 17, 2017: Kidney International
https://www.readbyqxmd.com/read/28727227/long-term-outcomes-of-simultaneous-heart-and-kidney-transplantation-in-pediatric-recipients
#10
Patricia L Weng, Juan Carlos Alejos, Nancy Halnon, Qiuheng Zhang, Elaine F Reed, Eileen Tsai Chambers
Pediatric sHKTx has become an effective therapy for patients with combined cardiac and renal failure. Often, these patients develop human leukocyte antigen antibodies from their previous allografts and are therefore more difficult to re-transplant. We describe the largest case series of a predominantly sensitized pediatric sHKTx with emphasis on medical management and patient outcomes. Demographics, clinical characteristics, antibody, and biopsy data were retrospectively collected from University of California, Los Angeles database and correlated with short- and long-term patient and allograft outcomes of all sHKTx performed between 2002 and 2015...
July 20, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28722017/the-role-of-age-related-t-cell-differentiation-in-patients-with-renal-replacement-therapy
#11
Matthias Schaier, Angele Leick, Lorenz Uhlmann, Florian Kälble, Volker Eckstein, Anthony Ho, Stefan Meuer, Karsten Mahnke, Claudia Sommerer, Martin Zeier, Andrea Steinborn
Dialysis patients have deficiencies regarding the generation of immune responses and show an increased susceptibility for infections. Persisting uremic conditions are made responsible for the increased aging of their immune system. In this study, we analyzed whether age-related differences in the differentiation of both recent-thymic-emigrant-(RTE)-regulatory (Tregs) and RTE-responder T cells (Tresps) into CD31(-)-memory Tregs/Tresps led to differences in the suppressive activity of naïve and memory Tregs on autologous Tresps between healthy volunteers and dialysis patients...
July 19, 2017: Immunology and Cell Biology
https://www.readbyqxmd.com/read/28716825/efficiency-and-safety-of-crac-inhibitors-in-human-rheumatoid-arthritis-xenograft-models
#12
Shuang Liu, Hitoshi Hasegawa, Erika Takemasa, Yasuyuki Suzuki, Keizou Oka, Takeshi Kiyoi, Hiroyuki Takeda, Tomio Ogasawara, Tatsuya Sawasaki, Masaki Yasukawa, Kazutaka Maeyama
Store-operated Ca(2+) release-activated Ca(2+) (CRAC) channels are involved in the pathogenesis of rheumatoid arthritis (RA) and have been studied as therapeutic targets in the management of RA. We investigated the efficacy and safety of CRAC inhibitors, including a neutralizing Ab (hCRACM1-IgG) and YM-58483, in the treatment of RA. Patient-derived T cell and B cell activity was suppressed by hCRACM1-IgG as well as YM-58483. Systemically constant, s.c. infused CRAC inhibitors showed anti-inflammatory activity in a human-NOD/SCID xenograft RA model as well as protective effects against the destruction of cartilage and bone...
July 17, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28714241/cytokine-profiles-in-tibetan-macaques-following-%C3%AE-1-3-galactosyltransferase-knockout-pig-liver-xenotransplantation
#13
Zhuochao Zhang, Xiao Li, Hong Zhang, Xuan Zhang, Hui Chen, Dengke Pan, Hongchen Ji, Liang Zhou, Juan Ling, Jingshi Zhou, Shuqiang Yue, Desheng Wang, Zhaoxu Yang, Kaishan Tao, Kefeng Dou
BACKGROUND: Pig-to-nonhuman primate orthotopic liver xenotransplantation is often accompanied by thrombocytopenia and coagulation disorders. Furthermore, the release of cytokines can trigger cascade reactions of coagulation and immune attacks within transplant recipients. To better elucidate the process of inflammation in liver xenograft recipients, we utilized a modified heterotopic auxiliary liver xenotransplantation model for xeno-immunological research. We studied the cytokine profiles and the relationship between cytokine levels and xenograft function after liver xenotransplantation...
July 17, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28710896/renal-allograft-histology-at-10-years-after-transplantation-in-the-tacrolimus-era-evidence-of-pervasive-chronic-injury
#14
Mark D Stegall, Lynn D Cornell, Walter D Park, Byron H Smith, Fernando G Cosio
Improving long-term renal allograft survival remains an important unmet need. To assess the extent of histologic injury at 10 years after transplantation in functioning grafts, we studied 575 consecutive adult solitary renal transplants performed between 2002 and 2005-77% from living donors and 92% maintained on tacrolimus-based immunosuppression. Ten-year graft survival was 59% and death-censored graft survival was 74%. Surveillance allograft biopsies were assessed at implantation, 5 years and 10 years from 145 patients that reached 10 years...
July 15, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28708664/esmolol-administration-to-control-tachycardia-in-an-ovine-model-of-peritonitis
#15
Koji Hosokawa, Fuhong Su, Fabio Silvio Taccone, Emiel Hendrik Post, Adriano José Pereira, Antoine Herpain, Jacques Creteur, Jean-Louis Vincent
BACKGROUND: Excessive adrenergic signaling may be harmful in sepsis. Using β-blockers to reduce sympathetic overactivity may modulate sepsis-induced cardiovascular, metabolic, immunologic, and coagulation alterations. Using a randomized ovine fecal peritonitis model, we investigated whether administration of a short-acting β-blocker, esmolol, could control tachycardia without deleterious effects on hemodynamics, renal perfusion, cerebral perfusion, cerebral metabolism, or outcome. METHODS: After induction of fecal peritonitis, 14 anesthetized, mechanically ventilated, and hemodynamically monitored adult female sheep were randomly assigned to receive a continuous intravenous infusion of esmolol to control heart rate between 80 and 100 bpm (n = 7) or a saline infusion (control group, n = 7)...
July 13, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28707587/immunotherapeutic-interleukin-6-or-interleukin-6-receptor-blockade-in-cancer-challenges-and-opportunities
#16
Nirmala C Kampan, Sue D Xiang, Orla M McNally, Andrew N Stephens, Michael A Quinn, Magdalena Plebanski
Interleukin 6 (IL-6), a well-known pro-inflammatory cytokine with pleiotropic activity is a central player in chronic inflammatory diseases including cancers. Therefore, blockade of the IL-6 signaling pathway has become a target for the therapy of in diverse cancers such as multicentric Castleman's disease (CD), multiple myeloma and solid tumours including renal, prostate, lung, colorectal and ovarian cancers. Monoclonal antibodies against IL-6 (Siltuximab) and the IL-6 receptor (IL-6R) (Tocilizumab) have emerged as potential immunotherapies, alone or in combination with conventional chemotherapy...
July 12, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28699377/microbiological-and-immunological-profile-of-patients-with-severe-lupus-flares-related-to-bloodstream-infections-a-retrospective-cohort-study
#17
J Torres-Ruiz, A Barrera-Vargas, R Ortiz-Hernández, J Alcocer-Varela, A Ponce-de-León, D Gómez-Martín
Background This study aimed to address whether bloodstream infections are a risk factor for the development of severe lupus flares, as well as clinical, immunological and microbiological features of patients with bloodstream infections that develop severe lupus flares. Methods We performed a retrospective cohort study comparing 87 systemic lupus erythematosus (SLE) patients with bloodstream infections and 87 hospitalized SLE patients without bloodstream infections as a comparison group. All patients were followed up for at least 3 months or until one of the primary outcomes was developed (severe SLE flare according to SELENA/SLEDAI score or death)...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28699300/angiogenic-inflammatory-and-immunologic-markers-in-predicting-response-to-sunitinib-in-metastatic-renal-cell-carcinoma
#18
Ryuichi Mizuno, Go Kimura, Satoshi Fukasawa, Takeshi Ueda, Tsunenori Kondo, Hidehiko Hara, Sunao Shoji, Kent Kanao, Hayakazu Nakazawa, Kazunari Tanabe, Shigeo Horie, Mototsugu Oya
The objective of this prospective study was to identify baseline angiogenic and inflammatory markers in serum as well as the baseline levels of immune cells in whole blood to predict progression free survival in patients with metastatic renal cell carcinoma treated with sunitinib. Blood samples were collected at baseline in all 90 patients to analyse serum angiogenic and inflammatory marker together with peripheral blood immunological marker. The association between each marker and sunitinib efficacy was analyzed...
July 12, 2017: Cancer Science
https://www.readbyqxmd.com/read/28686681/kir-and-their-hla-class-i-ligands-two-more-pieces-towards-completing-the-puzzle-of-chronic-rejection-and-graft-loss-in-kidney-transplantation
#19
Roberto Littera, Gianbenedetto Piredda, Davide Argiolas, Sara Lai, Elena Congeddu, Paola Ragatzu, Maurizio Melis, Elisabetta Carta, Maria Benigna Michittu, Donatella Valentini, Luisella Cappai, Rita Porcella, Francesco Alba, Maria Serra, Valentina Loi, Roberta Maddi, Sandro Orrù, Giorgio La Nasa, Giovanni Caocci, Roberto Cusano, Marcella Arras, Mauro Frongia, Antonello Pani, Carlo Carcassi
BACKGROUND: Kidney transplantation is a life-saving treatment for patients with end-stage renal disease. However, despite progress in surgical techniques and patient management, immunological rejection continues to have a negative impact on graft function and overall survival. Incompatibility between donors and recipients for human leukocyte antigens (HLA) of the major histocompatibility complex (MHC) generates a series of complex cellular and humoral immune response mechanisms that are largely responsible for rejection and loss of graft function...
2017: PloS One
https://www.readbyqxmd.com/read/28682561/-immunosuppression-in-kidney-transplantation-a-way-between-efficacy-and-toxicity
#20
Costanza Casati, Alberto Menegotto, Maria Luisa Querques, Federica Ravera, Giacomo Colussi
Renal transplantation is the best treatment for patients with end-stage renal disease. Over the last decades, the introduction of new immunosuppressive agents resulted into the reduction of the incidence of acute rejection and early graft loss. Despite this progress, there has been little improvement in the average life of the transplant. The main reasons of late failure are patient's death due to several complications (e.g. cancer, infectious or metabolic), and progressive deterioration of renal function caused by immunological and non-immunological factors...
April 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
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