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https://www.readbyqxmd.com/read/28213738/cytomegalovirus-infection-in-patients-with-lupus-nephritis-clinical-and-laboratory-features-and-therapeutic-considerations
#1
Lei Zhang, Jianling Tao, Yubing Wen, Li Li, Xueyi Wu, Xuewang Li, Xuemei Li
To better clarify the clinical features and therapeutic strategy of CMV infection in lupus nephritis patients, we retrospectively surveyed a total of 40 lupus nephritis patients, who had been hospitalized and underwent renal biopsy and diagnosed as having CMV infection during their hospitalization at our institution within the last 10 years. The percentage of CMV infections in the entire hospitalized lupus nephritis population was 5.3% (40/755). The principal clinical features of the 40 CMV-infected patients were hematological disorders (n = 25), fever (n = 21), liver dysfunction (n = 19), and respiratory symptoms (n = 12)...
February 17, 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/28212922/organ-specific-biomarkers-in-lupus
#2
REVIEW
Haijing Wu, Jinrong Zeng, Ming Zhao, Qianjin Lu
Systemic lupus erythematosus (SLE) is a complex and highly heterogeneous disease, which affects multiple organs, including joints, skin, kidneys, heart, hematopoietic system, and nerve system. While the etiopathogenesis of SLE still remains unclear, genetic susceptibilities and aberrant epigenetic modifications are believed to be involved. For precision therapy, it is necessary to assess accurately and objectively organ involvements and disease activity, which is difficult by current clinical laboratory tests...
February 14, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28207635/kidney-transplantation-rates-across-glomerulonephritis-subtypes-in-the-united-states
#3
Michelle M O'Shaughnessy, Sai Liu, Maria E Montez-Rath, Richard A Lafayette, Wolfgang C Winkelmayer
BACKGROUND: Whether kidney transplantation rates differ by glomerulonephritis (GN) subtype remains largely unknown. METHODS: Using the US Renal Data System, we identified all adult patients with ESRD attributed to 1 of 6 GN subtypes who initiated dialysis in the US (1996-2013). Patients with diabetic nephropathy (DN) and autosomal-dominant polycystic kidney disease (ADPKD) served as "external" non-GN comparators. Using Cox proportional hazards regression, with death considered a competing risk, we estimated hazard ratios [HRs (95% confidence intervals)] for first kidney transplantation, controlling for year, demographics, comorbidities, socioeconomic factors, and Organ Procurement Organization (OPO)...
February 15, 2017: Transplantation
https://www.readbyqxmd.com/read/28207493/treatment-of-lupus-nephritis-current-paradigms-and-emerging-strategies
#4
Maria Dall'Era
PURPOSE OF REVIEW: Lupus nephritis is the most common organ-threatening manifestation of lupus and continues to result in end-stage renal disease. This review describes the contemporary treatment of lupus nephritis as well as emerging therapeutic strategies. RECENT FINDINGS: Lupus nephritis management consists of an initial (induction) phase and a maintenance (extended) phase in which steroids are used in combination with another immunosuppressive medication. Current treatments are incompletely effective and associated with substantial toxicity...
February 15, 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/28205456/histochemical-study-of-encephalitozoon-cuniculi-spores-in-the-kidneys-of-naturally-infected-new-zealand-rabbits
#5
Luis E Rodríguez-Tovar, Alejandra Villarreal-Marroquín, Alicia M Nevárez-Garza, Uziel Castillo-Velázquez, Heidi G Rodríguez-Ramírez, Magda C Navarro-Soto, Juan J Zárate-Ramos, Gustavo Hernández-Vidal, Armando Trejo-Chávez
Encephalitozoon cuniculi is an important microsporidian pathogen that is considered an emergent, zoonotic, and opportunistic. It infects both domestic and laboratory rabbits, generating severe chronic interstitial and granulomatous nephritis with fibrosis and granulomatous encephalitis. Encephalitozoonosis is diagnosed in paraffin-embedded sections by examining the spores in the host tissues. The spores are difficult to observe when the samples are stained with hematoxylin and eosin (H&E), particularly when there is an inflammatory reaction and tissue damage...
February 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28204946/clinical-outcomes-in-children-with-henoch-sch%C3%A3-nlein-purpura-nephritis-without-crescents
#6
Jean Daniel Delbet, Julien Hogan, Bilal Aoun, Iulia Stoica, Rémi Salomon, Stéphane Decramer, Isabelle Brocheriou, Georges Deschênes, Tim Ulinski
BACKGROUND: Henoch-Schönlein purpura is the most common vasculitis in children. Its long-term prognosis depends on renal involvement. The management of Henoch-Schönlein purpura nephritis (HSPN) remains controversial. This study reports the prognosis of children with HSPN presenting with class 2 International Study of Kidney Disease in Children (ISKDC) nephritis. METHODS: All children with HSPN class 2 diagnosed between 1995 and 2015 in four pediatric nephrology centers were included, and clinical and biological data were collected from the medical files...
February 15, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28202864/clinical-presentation-of-tubulointerstitial-nephritis-caused-by-amyloid-light-chain-amyloidosis-in-a-patient-with-sj%C3%A3-gren-s-syndrome
#7
Reiko Inoue, Yoshihide Fujigaki, Kana Kobayashi, Yoshifuru Tamura, Tatsuru Ota, Shigeru Shibata, Tsuyoshi Ishida, Fukuo Kondo, Yutaka Yamaguchi, Shunya Uchida
We report a 70-year-old woman with Sjögren's syndrome who had severe renal dysfunction with mild proteinuria and elevated urinary low-molecular-weight proteins. Based on these clinical presentations, interstitial nephritis due to Sjögren's syndrome was strongly suspected. Unexpectedly, renal pathology revealed amyloid light-chain (AL) lambda-type depositions predominantly in the vasculatures with severe tubulointerstitial damage. Concentrated urine immunofixation was positive for Bence Jones lambda-type monoclonal proteins...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28202746/methodological-quality-of-studies-of-endstage-renal-disease-in-lupus-nephritis-1970-to-2015
#8
Maria G Tektonidou, Michael M Ward
OBJECTIVE: To examine trends in methodological quality of studies of endstage renal disease risk in lupus nephritis, 1970-2015. METHODS: We assessed quality using the Newcastle-Ottawa scale for observational studies, and the Cochrane Collaboration's risk-of-bias tool for trials. RESULTS: In observational studies, description of enrollment criteria was high but decreased over time. Adequacy of followup was low but improved. Inception cohorts and community-based studies were uncommon...
February 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28197887/the-iskdc-classification-and-a-new-semiquantitative-classification-for-predicting-outcomes-of-henoch-sch%C3%A3-nlein-purpura-nephritis
#9
Mikael Koskela, Elisa Ylinen, Elli-Maija Ukonmaanaho, Helena Autio-Harmainen, Päivi Heikkilä, Jouko Lohi, Outi Jauhola, Jaana Ronkainen, Timo Jahnukainen, Matti Nuutinen
BACKGROUND: Histological findings from primary kidney biopsies were correlated with patient outcomes in a national cohort of paediatric Henoch-Schönlein nephritis (HSN) patients. METHODS: Primary kidney biopsies from 53 HSN patients were re-evaluated using the ISKDC (International Study of Kidney Disease in Children) classification and a modified semiquantitative classification (SQC) that scores renal findings and also takes into account activity, chronicity and tubulointerstitial indices...
February 14, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28197771/granulomatous-interstitial-nephritis-associated-with-primary-sj%C3%A3-gren-s-syndrome
#10
B Bitik, I I Gonul, S Haznedaroglu, B Goker, A Tufan
Primary Sjögren's syndrome (pSS) is an autoimmune disease characterized by lymphocytic and plasmacytic infiltration of the exocrine glands. Tubulointerstitial nephritis (TIN) is the most common type of renal involvement in pSS. However, clinically significant renal involvement is uncommon. Granulomatous interstitial nephritis (GIN) is a rare histopathological entity characterized by the presence of granulomas against a background of interstitial inflammation. GIN is not a typical and commonly seen form of TIN in pSS...
February 14, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28191821/crucial-role-of-mesangial-cell-derived-connective-tissue-growth-factor-in-a-mouse-model-of-anti-glomerular-basement-membrane-glomerulonephritis
#11
Naohiro Toda, Kiyoshi Mori, Masato Kasahara, Akira Ishii, Kenichi Koga, Shoko Ohno, Keita P Mori, Yukiko Kato, Keisuke Osaki, Takashige Kuwabara, Katsutoshi Kojima, Daisuke Taura, Masakatsu Sone, Taiji Matsusaka, Kazuwa Nakao, Masashi Mukoyama, Motoko Yanagita, Hideki Yokoi
Connective tissue growth factor (CTGF) coordinates the signaling of growth factors and promotes fibrosis. Neonatal death of systemic CTGF knockout (KO) mice has hampered analysis of CTGF in adult renal diseases. We established 3 types of CTGF conditional KO (cKO) mice to investigate a role and source of CTGF in anti-glomerular basement membrane (GBM) glomerulonephritis. Tamoxifen-inducible systemic CTGF (Rosa-CTGF) cKO mice exhibited reduced proteinuria with ameliorated crescent formation and mesangial expansion in anti-GBM nephritis after induction...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28191596/efficacy-and-safety-of-rituximab-in-comparison-with-common-induction-therapies-in-pediatric-active-lupus-nephritis
#12
Biswanath Basu, Birendranath Roy, Binu George Babu
BACKGROUND: Childhood-onset lupus nephritis (LN) is one of the most severe manifestations of systemic lupus erythematosus (SLE). Despite treatment-related toxicities, cyclophosphamide (CYC) and glucocorticoid-based treatment protocols are still considered standard therapy in managing this multisystem disorder. An effective and safe alternative induction regimen is needed. METHODS: Forty-four pediatric patients with active LN aged 3.5-13.8 (median 8.4) years, of whom 32 entered the study at diagnosis of SLE, were followed over 36 months...
February 12, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28190920/acute-alloxan-renal-toxicity-in-the-rat-initially-causes-degeneration-of-thick-ascending-limbs-of-henle
#13
Yui Terayama, Yasushi Kodama, Tetsuro Matsuura, Kiyokazu Ozaki
Alloxan (AL) is a material well-known to induce diabetes. Prior to inducing a prolonged diabetic state, AL causes acute tubulointerstitial nephritis. However, the precise primary target site and mechanism of its nephrotoxicity remain unclear. The objective of this study was to evaluate the morphological characteristics relevant to acute renal toxicity following AL administration. Rats were intravenously treated with AL. Eight hours after AL treatment, aquaporin 1-negative and Na/K pump-positive thick ascending limbs of Henle (TAL) were degenerated in the outer medulla...
January 2017: Journal of Toxicologic Pathology
https://www.readbyqxmd.com/read/28187233/a-comparison-of-cystatin-c-concentrations-between-patients-with-chronic-interstitial-nephritis-and-glomerular-diseases
#14
Nicolas Roberto Robles, Candido Mena, Edgar Chavez, Miguel Angel Bayo, Boris Gonzalez Candia, Antonio Cidoncha, Juan Lopez Gomez, Juan Jose Cubero
AIMS: Cystatin C have shown to be a renal function parameter with higher sensitivity and specificity than serum creatinine. In tubular diseases, cystatin C degradation and an increase in its urinary elimination would be observed. We have tried to define if different kinds of kidney diseases may significantly affect the serum levels of cystatin C. DESIGN AND METHODS: Four hundred and four patients were studied: 249 men and 155 women, mean age was 64.3±10.1 years...
February 10, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28186530/chronic-interstitial-nephritis-in-agricultural-communities-a-worldwide-epidemic-with-social-occupational-and-environmental-determinants
#15
Channa Jayasumana, Carlos Orantes, Raul Herrera, Miguel Almaguer, Laura Lopez, Luis Carlos Silva, Pedro Ordunez, Sisira Siribaddana, Sarath Gunatilake, Marc E De Broe
No abstract text is available yet for this article.
February 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28185656/subacute-cutaneous-lupus-erythematosus-clinical-characteristics-disease-associations-treatments-and-outcomes-in-a-series-of-90%C3%A2-patients-at-mayo-clinic-1996-2011
#16
Dema T Alniemi, Albert Gutierrez, Lisa A Drage, David A Wetter
OBJECTIVE: To characterize the clinical presentation, laboratory studies, disease associations, and treatments of subacute cutaneous lupus erythematosus (SCLE). PATIENTS AND METHODS: A retrospective review of 90 patients with SCLE at Mayo Clinic from January 1, 1996, through October 28, 2011, was performed. RESULTS: The mean patient age at diagnosis was 61 years; 64 patients (71%) were women, and 11 cases (12%) were drug induced (1996-2000, no drug-induced cases; 2001-2005, 2 cases; 2006-2011, 9 cases)...
February 6, 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28184344/a-case-of-acute-tubulointerstitial-nephritis-associated-with-rifampin-therapy-presenting-as-fanconi-like-syndrome
#17
Jun Tae Park, Sik Lee, Won Kim, Sung Kwang Park, Kyung Pyo Kang
No abstract text is available yet for this article.
January 2017: Chonnam Medical Journal
https://www.readbyqxmd.com/read/28183811/annexin-ii-binding-immunoglobulins-in-patients-with-lupus-nephritis-and-their-correlation-with-disease-manifestations
#18
Kwok Fan Cheung, Susan Yung, Mel Km Chau, Desmond Yh Yap, Kwok Wah Chan, Cheuk Kwong Lee, Colin So Tang, Tak Mao Chan
Annexin II on mesangial cell surface mediates the binding of anti-dsDNA antibodies and consequent downstream inflammatory and fibrotic processes. We investigated the clinical relevance of circulating annexin II-binding immunoglobulins in patients with severe proliferative lupus nephritis, and renal annexin II expression in relation to progression of nephritis in NZBWF1/J mice. Annexin II-binding immunoglobulins in serum were measured by ELISA. Ultrastructural localization of annexin II was determined by electron microscopy...
February 9, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28183711/interstitial-nephritis-associated-with-ulcerative-colitis-in-monozygotic-twins
#19
Hitoshi Sato, Ken Umemura, Tae Yamamoto, Hiroshi Sato
Although renal impairment is a rare complication of ulcerative colitis (UC), interstitial nephritis can occur as an idiosyncratic reaction to 5-aminosalicylate (5-ASA) treatment for UC. Monozygotic twins developed UC at ages 49 and 51, and they were separately treated at different medical institutes. They did not know that they had the same disease and were treated with the same drug (5-ASA). During the course of 5-ASA treatment, renal impairment diagnosed as interstitial nephritis occurred in both. Granulocyte/monocyte adsorption was initiated, UC remission was achieved and renal function deterioration subsided in both...
February 9, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28183532/growth-factor-midkine-promotes-nuclear-factor-of-activated-t-cells-regulated-t-cell-activation-and-th1-cell-differentiation-in-lupus-nephritis
#20
Tomohiro Masuda, Kayaho Maeda, Waichi Sato, Tomoki Kosugi, Yuka Sato, Hiroshi Kojima, Noritoshi Kato, Takuji Ishimoto, Naotake Tsuboi, Kenji Uchimura, Yukio Yuzawa, Shoichi Maruyama, Kenji Kadomatsu
Activated T cells play crucial roles in the pathogenesis of autoimmune diseases, including lupus nephritis (LN). The activation of calcineurin/nuclear factor of activated T cells (NFAT) and STAT4 signaling is essential for T cells to perform various effector functions. Here, we identified the growth factor midkine (MK; gene name, Mdk) as a novel regulator in the pathogenesis of 2,6,10,14-tetramethylpentadecane-induced LN via activation of NFAT and IL-12/STAT4 signaling. Wild-type (Mdk(+/+)) mice showed more severe glomerular injury than MK-deficient (Mdk(-/-)) mice, as demonstrated by mesangial hypercellularity and matrix expansion, and glomerular capillary loops with immune-complex deposition...
February 6, 2017: American Journal of Pathology
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