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https://www.readbyqxmd.com/read/28550388/antibodies-against-linear-epitopes-on-goodpasture-autoantigen-in-patients-with-anti-neutrophil-cytoplasmic-antibody-associated-vasculitis
#1
Xiao-Yu Jia, Jun-Tao Yu, Shui-Yi Hu, Jian-Nan Li, Miao Wang, Chen Wang, Min Chen, Zhao Cui, Ming-Hui Zhao
In a substantial number of patients with crescentic glomerulonephritis, both anti-glomerular basement membrane (GBM) antibodies and anti-neutrophil cytoplasmic antibodies (ANCA) are detected simultaneously. ANCA is presumed to be the initial event but the mechanism is unknown. In the present study, we investigated the antibodies against linear epitopes on Goodpasture autoantigen in sera from patients with ANCA-associated vasculitis, aiming to reveal the mechanisms of the coexistence of the two kinds of autoantibodies...
May 26, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28549721/comparison-of-enzyme-linked-immunosorbent-assay-and-rapid-chemiluminescent-analyser-in-the-detection-of-myeloperoxidase-and-proteinase-3-autoantibodies
#2
Phillippa A Pucar, Carolyn A Hawkins, Katrina L Randall, Candice Li, Euan McNaughton, Matthew C Cook
Antibodies to myeloperoxidase (MPO) and proteinase 3 (PR3) are vital in the diagnosis and management of ANCA-associated vasculitis. A chemiluminescent immunoassay (CLIA; Quanta Flash) provides MPO and PR3 antibody results in 30 minutes, which is much faster than enzyme-linked immunosorbent assay (ELISA). We compared the performance of ELISA (Orgentec) and CLIA (Quanta Flash) for MPO and PR3 antibody quantitation on 303 samples, comprising 196 consecutive samples received in a single diagnostic laboratory over a 3 month period, and 107 samples collected from 42 known vasculitis patients over a 40 month period...
May 23, 2017: Pathology
https://www.readbyqxmd.com/read/28548231/combination-therapy-with-telmisartan-and-parecoxib-induces-regression-of-endometriotic-lesions
#3
Anca Nenicu, Yuan Gu, Christina Körbel, Michael D Menger, Matthias W Laschke
BACKGROUND AND PURPOSE: Telmisartan suppresses the development of endometriotic lesions. However, the drug also up-regulates the expression of cyclooxygenase (COX)-2, which has been suggested to promote the progression of endometriosis. Accordingly, we herein analysed whether a combination therapy with telmisartan and a COX-2 inhibitor may be more effective in the treatment of endometriotic lesions than application of telmisartan alone. EXPERIMENTAL APPROACH: Endometriotic lesions were induced in the peritoneal cavity of C57BL/6 mice, which were daily treated with an intraperitoneal (i...
May 26, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28547648/clinical-and-phenotypic-differences-in-inflammatory-bowel-disease-among-arab-and-jewish-children-in-israel
#4
Firas Rinawi, Amit Assa, Husam Bashir, Sarit Peleg, Raanan Shamir
BACKGROUND: Data on inflammatory bowel disease (IBD) phenotypes among the Arab population in Israel or in the neighboring Arab countries is scarce. AIM: We aimed to assess differences in disease phenotype among Arab and Jewish children living in Israel. METHODS: We performed a retrospective chart review of pediatric IBD cases, which were diagnosed at the Schneider Children's Medical Center and Ha'Emek Medical Center in Israel between 2000 and 2014...
May 25, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28546260/randomised-controlled-trial-of-prolonged-treatment-in-the-remission-phase-of-anca-associated-vasculitis
#5
Alexandre Karras, Christian Pagnoux, Marion Haubitz, Kirsten de Groot, Xavier Puechal, Jan Willem Cohen Tervaert, Mårten Segelmark, Loic Guillevin, David Jayne
OBJECTIVES: A prospective randomised trial to compare two different durations of maintenance immunosuppressive therapy for the prevention of relapse in anti-neutrophil cytoplasmic antibodies (ANCA)-associated vasculitis (AAV). METHODS: Patients with AAV were recruited 18-24 months after diagnosis if they were in stable remission after cyclophosphamide/prednisolone-based induction followed by azathioprine/prednisolone maintenance therapy. They were randomised (1:1) to receive continued azathioprine/prednisolone to 48 months from diagnosis (continuation group) or to withdraw azathioprine/prednisolone by 24 months (withdrawal group)...
May 25, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28535691/measuring-joint-flexibility-in-hallux-rigidus-using-a-novel-flexibility-jig
#6
Elizabeth A Cody, Andrew P Kraszewski, Anca Marinescu, Grace C Kunas, Sriniwasan B Mani, Smita Rao, Howard H Hillstrom, Scott J Ellis
BACKGROUND: The flexibility of the first metatarsophalangeal (MTP) joint in patients with hallux rigidus (HR) has not been studied. Compared to measuring range of motion alone, measures of joint flexibility provide additional information that may prove useful in the assessment of HR. The purpose of this study was to assess the flexibility of the hallux MTP joint in patients with HR compared to controls using a novel flexibility device. METHODS: Fifteen patients with Coughlin stage II or III HR and 20 healthy controls were recruited prospectively...
May 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28521808/b-cell-repopulation-kinetics-after-rituximab-treatment-in-anca-associated-vasculitides-compared-to-rheumatoid-arthritis-and-connective-tissue-diseases-a-longitudinal-observational-study-on-120-patients
#7
Jens Thiel, Marta Rizzi, Marie Engesser, Ann-Kathrin Dufner, Arianna Troilo, Raquel Lorenzetti, Reinhard E Voll, Nils Venhoff
BACKGROUND: B cell depletion with rituximab (RTX) is approved for treatment of rheumatoid arthritis (RA) and ANCA-associated vasculitides (AAV). Recently, RTX has been shown to be effective in AAV maintenance therapy, but an optimal RTX treatment schedule is unknown and the time to B cell repopulation after RTX has not been studied. METHODS: Retrospective single-center analysis of B cell repopulation in patients with AAV, RA or connective tissue disease (CTD) treated with RTX...
May 18, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28515156/anti-glomerular-basement-membrane-disease
#8
Stephen P McAdoo, Charles D Pusey
Anti-glomerular basement membrane (anti-GBM) disease is a rare small vessel vasculitis that affects the capillary beds of the kidneys and lungs. It is an archetypic autoimmune disease, caused by the development of directly pathogenic autoantibodies targeting a well characterized autoantigen expressed in the basement membranes of these organs, although the inciting events that induce the autoimmune response are not fully understood. The recent confirmation of spatial and temporal clustering of cases suggests that environmental factors, including infection, may trigger disease in genetically susceptible individuals...
May 17, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28506760/patients-double-seropositive-for-anca-and-anti-gbm-antibodies-have-varied-renal-survival-frequency-of-relapse-and-outcomes-compared-to-single-seropositive-patients
#9
Stephen P McAdoo, Anisha Tanna, Zdenka Hrušková, Lisa Holm, Maria Weiner, Nishkantha Arulkumaran, Amy Kang, Veronika Satrapová, Jeremy Levy, Sophie Ohlsson, Vladimir Tesar, Mårten Segelmark, Charles D Pusey
Co-presentation with both ANCA and anti-GBM antibodies is thought to be relatively rare. Current studies of such 'double-positive' cases report small numbers and variable outcomes. To study this further we retrospectively analyzed clinical features and long-term outcomes of a large cohort of 568 contemporary patients with ANCA-associated vasculitis, 41 patients with anti-GBM disease, and 37 double-positive patients with ANCA and anti-GBM disease from four European centers. Double-positive patients shared characteristics of ANCA-associated vasculitis (AAV), such as older age distribution and longer symptom duration before diagnosis, and features of anti-GBM disease, such as severe renal disease and high frequency of lung hemorrhage at presentation...
May 12, 2017: Kidney International
https://www.readbyqxmd.com/read/28499607/evaluation-of-intensity-modulated-radiation-therapy-dose-painting-for-localized-prostate-cancer-using-68-ga-hbed-cc-psma-pet-ct-a-planning-study-based-on-histopathology-reference
#10
Constantinos Zamboglou, Ilias Sachpazidis, Khodor Koubar, Vanessa Drendel, Rolf Wiehle, Simon Kirste, Michael Mix, Florian Schiller, Panayiotis Mavroidis, Philipp T Meyer, Martin Werner, Anca L Grosu, Dimos Baltas
PURPOSE: To demonstrate the feasibility and to evaluate the tumour control probability (TCP) and normal tissue complication probability (NTCP) of IMRT dose painting using (68)Ga-HBED-CC PSMA PET/CT for target delineation in prostate cancer (PCa). METHODS AND MATERIALS: 10 patients had PSMA PET/CT scans prior to prostatectomy. GTV-PET was generated on the basis of an intraprostatic SUVmax of 30%. Two IMRT plans were generated for each patient: Plan(77) which consisted of whole-prostate IMRT to 77Gy, and Plan(95) which consisted of whole-prostate IMRT to 77Gy and a simultaneous integrated boost to the GTV-PET up to 95Gy (35 fractions)...
May 9, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28498830/the-influence-of-the-great-east-japan-earthquake-on-microscopic-polyangiitis-a-retrospective-observational-study
#11
Yoichi Takeuchi, Ayako Saito, Yoshie Ojima, Saeko Kagaya, Hirotaka Fukami, Hiroyuki Sato, Ken Matsuda, Tasuku Nagasawa
BACKGROUND: Antineutrophil cytoplasmic antibody-associated vasculitis is triggered by environmental factors, including silica dust exposure. Repeated tsunami waves brought a large volume of silica-containing sludge inland after the Great East Japan earthquake in 2011. We aimed to determine if the serious disaster influenced the clinical features of the microscopic polyangiitis. METHODS: This is an observational retrospective study conducted in a single institute...
2017: PloS One
https://www.readbyqxmd.com/read/28491331/mpo-c-anca-associated-necrotising-and-crescentic-glomerulonephritis
#12
Abhilash Koratala, Dara N Wakefield, Kawther F Alquadan, A Ahsan Ejaz
The patterns of ANCA staining usually relate closely to antibodies against myeloperoxidase and proteinase-3. C-ANCA is mainly antibodies to proteinase-3 and P-ANCA is antibodies to myeloperoxidase. C-ANCA with antibodies to MPO with clinical sequelae is unusual.
April 2017: JRSM Open
https://www.readbyqxmd.com/read/28484521/urinary-podocyte-associated-mrna-levels-correlate-with-proximal-tubule-dysfunction-in-early-diabetic-nephropathy-of-type-2-diabetes-mellitus
#13
Ligia Petrica, Sorin Ursoniu, Florica Gadalean, Adrian Vlad, Gheorghe Gluhovschi, Victor Dumitrascu, Daliborca Vlad, Cristina Gluhovschi, Silvia Velciov, Flaviu Bob, Petru Matusz, Oana Milas, Alina Secara, Anca Simulescu, Roxana Popescu
AIM: The study assessed mRNA expression of podocyte-associated molecules in urinary sediments of patients with type 2 diabetes mellitus (DM) in relation to urinary podocytes, biomarkers of podocyte injury and of proximal tubule (PT) dysfunction. METHODS: A total of 76 patients with type 2 DM and 20 healthy subjects were enrolled in a cross-sectional study, and assessed concerning urinary podocytes, urinary mRNA of podocyte-associated genes, urinary biomarkers of podocyte damage and of PT dysfunction...
2017: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/28480996/the-pd-1-pd-l1-axis-and-human-papilloma-virus-in-patients-with-head-and-neck-cancer-after-adjuvant-chemoradiotherapy-a-multicentre-study-of-the-german-cancer-consortium-radiation-oncology-group-dktk-rog
#14
Panagiotis Balermpas, Franz Rödel, Mechthild Krause, Annett Linge, Fabian Lohaus, Michael Baumann, Inge Tinhofer, Volker Budach, Ali Sak, Martin Stuschke, Eleni Gkika, Anca-Ligia Grosu, Amir Abdollahi, Jürgen Debus, Stefan Stangl, Ute Ganswindt, Claus Belka, Steffi Pigorsch, Gabriele Multhoff, Stephanie E Combs, Stefan Welz, Daniel Zips, Su Yin Lim, Claus Rödel, Emmanouil Fokas
We examined the prognostic role of PD-1+ and CD8+ tumor infiltrating lymphocytes (TILs), and PD-L1+ cells in patients with squamous cell carcinoma of the head and neck (SCCHN) treated with surgery and postoperative chemoradiotherapy (CRT). FFPE samples from 161 patients were immunohistochemically stained for PD-1, CD8 and PD-L1. The immune marker expression was correlated with clinicopathologic characteristics, and overall survival (OS), local progression-free survival (LPFS) and distant metastases free-survival (DMFS), also in the context of HPV16 DNA/p16 status...
May 8, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28476172/anca-associated-vasculitis-in-childhood-recent-advances
#15
REVIEW
Marta Calatroni, Elena Oliva, Davide Gianfreda, Gina Gregorini, Marco Allinovi, Giuseppe A Ramirez, Enrica P Bozzolo, Sara Monti, Claudia Bracaglia, Giulia Marucci, Monica Bodria, Renato A Sinico, Federico Pieruzzi, Gabriella Moroni, Serena Pastore, Giacomo Emmi, Pasquale Esposito, Mariagrazia Catanoso, Giancarlo Barbano, Alice Bonanni, Augusto Vaglio
Anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitides are rare systemic diseases that usually occur in adulthood. They comprise granulomatosis with polyangiitis (GPA, Wegener's), microscopic polyangiitis (MPA) and eosinophilic granulomatosis with polyangiitis (EGPA, Churg-Strauss syndrome). Their clinical presentation is often heterogeneous, with frequent involvement of the respiratory tract, the kidney, the skin and the joints. ANCA-associated vasculitis is rare in childhood but North-American and European cohort studies performed during the last decade have clarified their phenotype, patterns of renal involvement and their prognostic implications, and outcome...
May 5, 2017: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/28470791/impaired-placentation-in-women-with-chronic-hypertension-that-develop-preeclampsia
#16
Anca M Panaitescu, Ranjit Akolekar, Nicholas Kametas, Argyro Syngelaki, Kypros H Nicolaides
OBJECTIVE: To compare the degree of impaired placentation in pregnancies which develop preeclampsia (PE) in women with and without chronic hypertension (CH). METHODS: The data for this study were derived from prospective screening for adverse pregnancy outcomes in women with singleton pregnancies attending for their first routine hospital visit at 11(+0) -13(+6) weeks' gestation. This visit included recording of maternal characteristics and medical history and measurements of mean arterial pressure (MAP), uterine artery pulsatility index (UTPI), serum placental growth factor (PLGF) and serum pregnancy associated plasma protein-A (PAPP-A)...
May 4, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28461839/predictive-factors-of-abnormal-circadian-blood-pressure-profile-in-recipients-of-kidney-transplantation
#17
Achim Camelia, Zgura Anca, Voiculescu Mihai
Arterial hypertension (HT) plays an important role and is a major factor in the occurrence and progression of chronic graft nephropathy. We evaluated 24-hour blood pressure (BP) profile in kidney transplant patients to identify factors predictive of abnormal circadian BP profile. BP was measured over a period of 24 hours using a noninvasive automatic device (EC-3H / ABPM) in 40 renal transplant patients (mean age = 37.2±12.2 years, M = 30, mean serum creatinine = 2.0±1.4 mg/dl). They were under the triple immunosuppressive therapy (CsA / Ts + Aza / MMF + PDN)...
June 2016: Mædica
https://www.readbyqxmd.com/read/28450870/neutrophil-extracellular-traps-contain-selected-antigens-of-anti-neutrophil-cytoplasmic-antibodies
#18
Rachita Panda, Thorsten Krieger, Luke Hopf, Thomas Renné, Friedrich Haag, Nadja Röber, Karsten Conrad, Elena Csernok, Tobias A Fuchs
Neutrophil extracellular traps (NETs) are chromatin filaments decorated with enzymes from neutrophil cytoplasmic granules. Anti-neutrophil cytoplasmic antibodies (ANCAs) bind to enzymes from neutrophil cytoplasmic granules and are biomarkers for the diagnosis of systemic vasculitides. ANCA diagnostics are based on indirect immunofluorescence (IIF) of ethanol-fixed neutrophils. IIF shows a cytoplasmic staining pattern (C-ANCA) due to autoantibodies against proteinase 3 (PR3) or a perinuclear staining pattern (P-ANCA) due to autoantibodies against myeloperoxidase (MPO)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28434014/prospective-open-label-evaluation-of-long-term-low-dose-doxycycline-for-difficult-to-treat-chronic-rhinosinusitis-with-nasal-polyps
#19
A C Pinto Bezerra Soter, T F Bezerra, R Pezato, T R Teles Abdo, R M Pilan, F R Pinna, P Gevaert, T van Zele, C Bachert, R L Voegels
BACKGROUND: This study aimed to assess clinical outcomes of long-term low-dose oral doxycycline therapy in difficult-to-treat chronic rhinosinusitis with polyps (CRSwNP). METHODS: This was a prospective, open-label study of 60 patients with difficult-to-treat CRSwNP who had undergone endoscopic sinus surgery. Patients were divided into two groups: 28 received nasal steroids, saline irrigation, and doxycycline (200 mg on the first day, followed by 100 mg once daily) for 12 weeks, while 30 received only nasal steroids and saline irrigation...
April 23, 2017: Rhinology
https://www.readbyqxmd.com/read/28417160/diagnosis-of-recurrent-prostate-cancer-with-pet-ct-imaging-using-the-gastrin-releasing-peptide-receptor-antagonist-68-ga-rm2-preliminary-results-in-patients-with-negative-or-inconclusive-18-f-fluoroethylcholine-pet-ct
#20
Gesche Wieser, Ilinca Popp, H Christian Rischke, Vanessa Drendel, Anca-Ligia Grosu, Mark Bartholomä, Wolfgang A Weber, Rosalba Mansi, Ulrich Wetterauer, Wolfgang Schultze-Seemann, Philipp T Meyer, Cordula Annette Jilg
PURPOSE/BACKGROUND: [(18)F]fluoroethylcholine ((18)FECH) has been shown to be a valuable PET-tracer in recurrent prostate cancer (PCa), but still has limited accuracy. RM2 is a gastrin-releasing peptide receptor (GRPr) antagonist that binds to GRPr on PCa cells. Recent studies suggest that GRPr imaging with PET/CT is a promising technique for staging and restaging of PCa. We explore the value of GRPr-PET using the (68)Ga-labeled GRPr antagonist RM2 in a selected population of patients with biochemically recurrent PCa and a negative/inconclusive (18)FECH-PET/CT...
April 18, 2017: European Journal of Nuclear Medicine and Molecular Imaging
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