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Eli M Miloslavsky, John L Niles, Zachary S Wallace, Frank B Cortazar, Ana Fernandes, Karen Laliberte, John H Stone
OBJECTIVE: Therapeutic advances in ANCA-associated vasculitis (AAV) have improved patient survival, but mortality rates remain higher than the general population. Glucocorticoids contribute to AAV morbidity and mortality. We examined whether an 8-week glucocorticoid course in combination with rituximab (RTX) would induce disease remission in patients with AAV. METHODS: Patients with active AAV received an 8-week prednisone taper and RTX 375mg/m2 weekly for 4 weeks...
February 3, 2018: Seminars in Arthritis and Rheumatism
K Ganesh, R R Nair, N V Seethalekshmy, G Kurian, A Mathew, S Sreedharan, Z Paul
Suspicion and subsequent detection of renal disease is by an assessment of the urinalysis and renal function in the clinical context. Our attempt in this study is to correlate initial presenting features of urinalysis and renal function to the final histopathological diagnosis. A retrospective analysis of 1059 native kidney biopsies performed from January 2002 to June 2015 at Amrita Institute of Medical Sciences was conducted. Correlative patterns between urinalysis, renal function, and final histopathological diagnosis were studied...
January 2018: Indian Journal of Nephrology
Sonia Zeggar, Katsue S Watanabe, Sanae Teshigawara, Sumie Hiramatsu, Takayuki Katsuyama, Eri Katsuyama, Haruki Watanabe, Yoshinori Matsumoto, Tomoko Kawabata, Ken-Ei Sada, Toshiro Niki, Mitsuomi Hirashima, Jun Wada
OBJECTIVE: In systemic lupus erythematosus (SLE), an autoimmune disease associated with multiple organ involvements, lupus nephritis determines prognosis and arthritis impairs quality of life of patients. Galectin-9 (Gal-9, Lgals9) is a β-galactoside binding lectin and the attempts for its clinical application have been made in autoimmune diseases, since recombinant Gal-9 as a ligand for Tim-3 induces apoptosis in activated CD4+ Tim-3+ Th1 cell. We investigated wethere the deficiency of Lgals9 is beneficial or deleterious in lupus mice models...
February 26, 2018: Arthritis & Rheumatology
Gerald B Appel, Wai L Lau
As the population worldwide ages, the epidemic of kidney disease will also increase. Anti-neutrophil cytoplasmic antibodies (ANCA) positive rapidly progressive positive glomerulonephritis (RPGN) is the most common etiology for biopsied patients among the very elderly. Its pathological features and clinical course are well described, though there is still debate about the mechanism of injury involved in individual patients. From very ancient times, the cornerstone of treatment historically has been high-dose cyclophosphamide and a lengthy course of high-dose corticosteroids...
January 26, 2018: Blood Purification
Zdenka Hruskova, Vladimir Tesar
BACKGROUND: Rapidly progressive glomerulonephritis (RPGN) is characterized by a rapid deterioration of renal function and by extracapillary proliferation in >50% of glomeruli. The most common type of RPGN is "pauci-immune" glomerulonephritis caused by anti-neutrophil cytoplasmic antibodies-associated vasculitis (AAV). SUMMARY: The incidence of AAV increases with age and pauci-immune glomerulonephritis is the most common diagnosis found in renal biopsies in the elderly population...
January 26, 2018: Blood Purification
Pallav Gupta, Devinder Singh Rana
As the life expectancy is increasing, there is a rise in elderly population and consequent increase in the patients with renal disease. There is an inconsistency between clinical and histopathological diagnosis in elderly, and so renal biopsy is important in these patients to decide appropriate clinical management and prognosis. This study outlines the importance of renal biopsy in elderly and describes the clinical and pathologic spectrum of renal diseases in patient ≥60 years. All patients (age ≥60 years) undergoing renal biopsies from January 2011 to December 2014 were included in this retrospective study...
January 2018: Saudi Journal of Kidney Diseases and Transplantation
Kawmadi W Gunawardena, Eranga S Wijewickrama, Carukshi Arambepola, Rushika D Lanerolle
Prevalence of different glomerulonephritides and their clinical course vary geographically. Our objectives are to assess the prevalence of different histological types of glomerulonephritis (GN) based on the light microscopic histology and to assess their progression according to histological type. A retrospective cross-sectional study was carried out among adult patients (>18 years) with a histological diagnosis of GN at the University Professorial Unit over a period of six months. Information including demographic data, renal biopsy findings, and progression of the disease through serum creatinine (SCr) level were collected through existing clinic records of consenting patients...
January 2018: Saudi Journal of Kidney Diseases and Transplantation
David Diaz-Carballo, Sahitya Saka, Jacqueline Klein, Tobias Rennkamp, Ali Haydar Acikelli, Sascha Malak, Holger Jastrow, Gunther Wennemuth, Clemens B Tempfer, Inge Schmitz, Andrea Tannapfel, Dirk Strumberg
The effects of anticancer treatments on cell heterogeneity and their proliferative potential play an important role in tumor persistence and metastasis. However, little is known about de-polyploidization, cell fate, and physiological stemness of the resulting cell populations. Here we describe a distinctive cell type termed "pregnant" P1 cells found within chemotherapy refractory ovarian tumors, which generate and gestate daughter generation Gn-cells intracytoplasmically. Release of Gn-cells occurred by ejection through crevices in P1 cell membrane by body contractions or using a funiculus-like structure...
February 12, 2018: Cancer Research
John J Sim, Simran K Bhandari, Michael Batech, Aviv Hever, Teresa N Harrison, Yu-Hsiang Shu, Dean A Kujubu, Tracy Y Jonelis, Michael H Kanter, Steven J Jacobsen
OBJECTIVE: To compare renal function decline, incident end-stage renal disease (ESRD), and mortality among patients with 5 common glomerular diseases in a large diverse population. PATIENTS AND METHODS: A retrospective cohort study (between January 1, 2000, and December 31, 2011) of patients with glomerulonephropathy using the electronic health record of an integrated health system was performed. Estimated glomerular filtration rate (eGFR) change, incident ESRD, and mortality were compared among patients with biopsy-proven focal segmental glomerulosclerosis (FSGS), membranous glomerulonephritis (MN), minimal change disease (MCD), immunoglobulin A nephropathy (IgAN), and lupus nephritis (LN)...
January 9, 2018: Mayo Clinic Proceedings
Ameni Jerbi, Sawsan Feki, Salma Ben Ameur, Hend Hachicha, Lamia Gargouri, Thouraya Kamoun, Abdelmajid Mahfoudh, Mongia Hachicha, Hatem Masmoudi
In adults, anti-neutrophil cytoplasmic antibodies (ANCA) are considered as serological markers of several diseases, especially vasculitis and glomerulonephritis. Since ANCA are rarely positive in children, few data about the clinical relevance of these auto-antibodies in pediatric population have been reported. Therefore, our study aims to describe the spectrum of disorders associated with positive ANCA in Tunisian children. This study had been carried out over a period of 12 years and a half. All patients under the age of 15 for whom ANCA screening was performed in our laboratory were included...
January 1, 2018: Annales de Biologie Clinique
Lianne Merchuk-Ovnat, Roi Silberman, Efrat Laiba, Andreas Maurer, Klaus Pillen, Adi Faigenboim, Eyal Fridman
Increasing crop productivity under climate change requires the identification, selection and utilization of novel alleles for breeding. We analyzed the genotype and field phenotype of the barley HEB-25 multi-parent mapping population under well-watered and water-limited (WW and WL) environments for two years. A genome-wide association study (GWAS) for genotype by-environment interactions was performed for ten traits including flowering time (HEA) and plant grain yield (PGY). Comparison of the GWAS for traits per-se to that for QTL-by-environment interactions (QxE), indicates the prevalence of QxE mostly for reproductive traits...
January 20, 2018: Journal of Experimental Botany
Zuhal Bayramoglu, Ibrahim Adaletli, Emine Caliskan, Isin Kilicaslan, Cagla S Karaoglan, Alaattin Celik, Feryal Gun Soysal, Sema B Bay, Bulent Zulfikar
We demonstrate a 4-year-old girl who presented with progressive, asymmetrical, firm abdominal distention and was diagnosed with synchronous Wilms' tumor and left para-aortic ganglioneuroma (GN). Although synchronous tumors in the pediatric population are commonly associated with malignancy-predisposing syndromes, the patient in question was found to be otherwise healthy and had no clinical evidence nor family history of a syndrome. This case is the second one in the literature diagnosed with synchronous presentation of Wilms' tumor and GN in a previously healthy child...
January 12, 2018: Journal of Pediatric Hematology/oncology
Andrew S Bomback, Dominick Santoriello, Rupali S Avasare, Renu Regunathan-Shenk, Pietro A Canetta, Wooin Ahn, Jai Radhakrishnan, Maddalena Marasa, Paul E Rosenstiel, Leal C Herlitz, Glen S Markowitz, Vivette D D'Agati, Gerald B Appel
C3 glomerulonephritis (C3GN) and dense deposit disease comprise the two classes of C3 glomerulopathy. Studies from Europe and Asia have aided our understanding of this recently defined disorder, but whether these data apply to a diverse United States patient population remains unclear. We, therefore, reviewed clinical and histopathological data, including generation of a C3 Glomerulopathy Histologic Index to score biopsy activity and chronicity, to determine predictors of progression to end-stage renal disease (ESRD) and advanced chronic kidney disease (CKD) in 111 patients (approximately 35% non-white) with C3 glomerulopathy: 87 with C3GN and 24 with dense deposit disease...
January 6, 2018: Kidney International
Usman Mahmood, Helen G Healy, Adrian Kark, Anne Cameron, Zaimin Wang, Rajitha Abeysekera, Wendy E Hoy
BACKGROUND: Aim of our study is to describe, in people with CKD, the demographic and clinical characteristics and outcomes with increasing age. The prevalence of CKD in Western populations, where longevity is the norm, is about 10-15%, but how age influence different characteristics of patients with CKD is largely not known. METHODS: One thousand two hundred sixty-five patients enrolled in the CKD.QLD registry at the Royal Brisbane and Women's Hospital were grouped according to age at consent i...
December 28, 2017: BMC Nephrology
Sophie Limou, Nicolas Vince, Afshin Parsa
Over the past decade, genetic association studies have uncovered numerous determinants of kidney function in the general, diabetic, hypertensive, CKD, ESRD, and GN-based study populations (e.g., IgA nephropathy, membranous nephropathy, FSGS). These studies have led to numerous novel and unanticipated findings, which are helping improve our understanding of factors and pathways affecting both normal and pathologic kidney function. In this review, we report on major discoveries and advances resulting from this rapidly progressing research domain...
January 6, 2018: Clinical Journal of the American Society of Nephrology: CJASN
Nazik Elmalaika Husain, Mohamed H Ahmed, Ahmed O Almobarak, Sufian K Noor, Wadie M Elmadhoun, Heitham Awadalla, Clare L Woodward, Dushyant Mital
The human immunodeficiency virus (HIV) infection can lead to progressive decline in renal function known as HIV-associated nephropathy (HIVAN). Importantly, individuals of African ancestry are more at risk of developing HIVAN than their European descent counterparts. An in-depth search on Google Scholar, Medline and PubMed was conducted using the terms "HIVAN" and "pathology and clinical presentation", in addition to "prevalence and risk factors for HIVAN", with special emphasis on African countries for any articles published between 1990 and 2017...
January 2018: Journal of Clinical Medicine Research
Shankar Prasad Nagaraju, Sindhura Lakshmi Koulmane Laxminarayana, Srinivas Kosuru, Rajeevalochana Parthasarathy, Ravindra Prabhu Attur, Dharshan Rangaswamy, Uday Venkat Matteti, Vasudeva Guddattu
Introduction: Diffuse Crescentic glomerulonephritis (CrGN) is characterized by rapidly progressive renal failure and has grave prognosis. There is significant regional and temporal variation in aetiology, prevalence and prognosis of diffuse crescentic glomerulonephritis (CrGN) with limited data available in adult Indian population. Aim: This study aims to identify the aetiology, clinico-pathological features and outcomes of diffuse CrGN in south Indian population...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
Luis Eduardo Barrera-Herrera, Rocío Del Pilar López Panqueva, Adriana Alejandra Flórez Vargas, Rafael Enrique Andrade Pérez
BACKGROUND: The prevalence of glomerular disease (GD) varies according to the different socio-demographic characteristics of each population. For the first time we present the prevalence of the different forms of GD among patients from several different areas of Columbia. METHODS: Data from 12,613 renal biopsies studied at our University Hospital between 2003 and 2015 was reviewed. Pathology results were classified according to a list of renal diseases proposed by various authors...
January 2017: Revista Española de Patología
Charlesnika T Evans, Margaret A Fitzpatrick, Makoto M Jones, Stephen P Burns, Linda Poggensee, Swetha Ramanathan, Sherri L LaVela, Nasia Safdar, Katie J Suda
OBJECTIVE Infections caused by multidrug-resistant gram-negative organisms (MDRGNOs) have been increasing every year. The objective of this study was to describe the prevalence of MDRGNOs and factors associated with MDRGNOs in patients with spinal cord injury or disorder (SCI/D). DESIGN Retrospective cohort study. METHODS Department of Veterans Affairs (VA) electronic health record data from 142 VA facilities were evaluated for 19,642 patients with SCI/D. Multivariable cluster-adjusted models were fit to identify factors associated with MDRGNO...
December 2017: Infection Control and Hospital Epidemiology
Jing Lin, Zhen Cheng, Qi Qian
As the population ages, greater numbers of elderly patients will present with kidney diseases. Many kidney diseases, such as IgA nephropathy, will require kidney biopsy for diagnostic confirmation, treatment guidance and prognostication. In this paper, we review the current and expected future healthcare landscape with a focus on the ageing population, pros and cons of kidney biopsy in elderly patients, as well as treatment strategies and precautions. We also review the available data on IgA nephropathy in the elderly, including its occurrence rate based on the kidney biopsy, clinicohistopathological features, differentiation with IgA-dominant postinfectious glomerulonephritis, treatment options and outcome prediction...
December 2017: Nephrology
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