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https://www.readbyqxmd.com/read/28431111/correction-of-abnormal-b-cell-subset-distribution-by-interleukin-6-receptor-blockade-in-polymyalgia-rheumatica
#1
Guillermo Carvajal Alegria, Valérie Devauchelle-Pensec, Yves Renaudineau, Alain Saraux, Jacques-Olivier Pers, Divi Cornec
Objectives.: The aim was to study lymphocyte subsets and circulating cytokines at diagnosis of PMR and after tocilizumab monotherapy. Methods.: Eighteen untreated patients with PMR were included in a prospective study and received 3-monthly tocilizumab infusions without glucocorticoids. Lymphocyte subset distribution was assessed by flow cytometry and serum cytokines were assayed by a 34-cytokine array and ELISA, at baseline and during follow-up. Baseline data were also compared with age- and sex-matched controls...
April 20, 2017: Rheumatology
https://www.readbyqxmd.com/read/28429103/resolution-of-primary-immune-defect-in-22q11-2-deletion-syndrome
#2
Yiwa Suksawat, Achara Sathienkijkanchai, Jittima Veskitkul, Orathai Jirapongsananuruk, Nualanong Visitsunthorn, Pakit Vichyanond, Punchama Pacharn
PURPOSE: Patients with 22q11.2 deletion syndrome have a variable decrease in immunological parameters, especially regarding T cell counts. The aim of this study was to investigate immunological change over time and factors associated with immunological recovery among patients with 22q11.2 deletion syndrome. METHODS: Patients with 22q11.2 deletion syndrome diagnosed by fluorescence in situ hybridization (FISH) were studied. Immunological parameters were evaluated every 6 months until patients returned to normal...
April 20, 2017: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/28420863/changes-of-systemic-immune-response-after-stereotactic-ablative-radiotherapy-sabr-first-results-of-a-prospective-study-in-early-lung-cancer-patients
#3
Jacek Rutkowski, Tomasz Ślebioda, Zbigniew Kmieć, Renata Zaucha
INTRODUCTION    Among all lung tumors non-small cell lung cancer (NSCLC) is the most common. Conventional conservative treatment in medically inoperable patients with early stage NSCLC has a poor outcome. To improve treatment efficacy stereotactic ablative radiotherapy (SABR) has been developed to enable the delivery of high-dose radiation to the tumor.  OBJECTIVES    This prospective study was conducted to confirm the hypothesis that a sudden death of cancer cells after SABR may lead to systemic immune response changes...
April 18, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28415633/a-phase-2-study-of-vorinostat-in-locally-advanced-recurrent-or-metastatic-adenoid-cystic-carcinoma
#4
Priscila H Goncalves, Lance K Heilbrun, Michael T Barrett, Shivaani Kummar, Aaron R Hansen, Lillian L Siu, Richard L Piekarz, Ammar W Sukari, Joseph Chao, Mary Jo Pilat, Daryn W Smith, Lindsay Casetta, Scott A Boerner, Alice Chen, Elizabeth Lenkiewicz, Smriti Malasi, Patricia M LoRusso
PURPOSE: Vorinostat is a histone deacetylase inhibitor (HDACi). Based on a confirmed partial response (PR) in an adenoid cystic carcinoma (ACC) patient treated with vorinostat in a prior phase 1 trial, we initiated this phase 2 trial. METHODS: Vorinostat was administered orally 400 mg daily, 28 day cycles. The primary objective was to evaluate response rate (RR). Exploratory studies included whole exome sequencing (WES) of selected patients. RESULTS: Thirty patients were enrolled...
March 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28409015/use-of-slicc-criteria-in-a-large-diverse-lupus-registry-enables-sle-classification-of-a-subset-of-acr-designated-subjects-with-incomplete-lupus
#5
Teresa Aberle, Rebecka L Bourn, Hua Chen, Virginia C Roberts, Joel M Guthridge, Krista Bean, Julie M Robertson, Kathy L Sivils, Astrid Rasmussen, Meghan Liles, Joan T Merrill, John B Harley, Nancy J Olsen, David R Karp, Judith A James
OBJECTIVE: SLE is traditionally classified using the American College of Rheumatology (ACR) criteria. The Systemic Lupus International Collaborating Clinics (SLICC) recently validated an alternative system. This study examined large cohorts of subjects with SLE and incomplete lupus erythematosus (ILE) to compare the impact of ACR and SLICC criteria. METHODS: Medical records of subjects in the Lupus Family Registry and Repository were reviewed for documentation of 1997 ACR classification criteria, SLICC classification criteria and medication usage...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/28397358/depletion-resistant-cd4-t-cells-enhance-thymopoiesis-during-lymphopenia
#6
Katayoun Ayasoufi, Ran Fan, Anna Valujskikh
Lymphoablation is routinely used in transplantation, and its success is defined by the balance of pathogenic versus protective T cells within reconstituted repertoire. While homeostatic proliferation and thymopoiesis may both cause T cell recovery during lymphopenia, the relative contributions of these mechanisms remain unclear. The goal of this study was to investigate the role of the thymus during T cell reconstitution in adult allograft recipients subjected to lymphoablative induction therapy. Compared to euthymic mice, thymectomized heart allograft recipients demonstrated severely impaired CD4 and CD8 T cell recovery and prolonged heart allograft survival after lymphoablation with murine anti-thymocyte globulin (mATG)...
April 11, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28395880/treatment-of-metastatic-uveal-melanoma-with-adoptive-transfer-of-tumour-infiltrating-lymphocytes-a-single-centre-two-stage-single-arm-phase-2-study
#7
Smita S Chandran, Robert P T Somerville, James C Yang, Richard M Sherry, Christopher A Klebanoff, Stephanie L Goff, John R Wunderlich, David N Danforth, Daniel Zlott, Biman C Paria, Arvind C Sabesan, Abhishek K Srivastava, Liqiang Xi, Trinh H Pham, Mark Raffeld, Donald E White, Mary Ann Toomey, Steven A Rosenberg, Udai S Kammula
BACKGROUND: Uveal melanoma is a rare tumour with no established treatments once metastases develop. Although a variety of immune-based therapies have shown efficacy in metastatic cutaneous melanoma, their use in ocular variants has been disappointing. Recently, adoptive T-cell therapy has shown salvage responses in multiple refractory solid tumours. Thus, we sought to determine if adoptive transfer of autologous tumour-infiltrating lymphocytes (TILs) could mediate regression of metastatic uveal melanoma...
April 7, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28392551/the-prognostic-value-of-treatment-related-lymphopenia-in-nasopharyngeal-carcinoma-patients
#8
Li-Ting Liu, Qiu-Yan Chen, Lin-Quan Tang, Shan-Shan Guo, Ling Guo, Hao-Yuan Mo, Ming-Yuan Chen, Chong Zhao, Xiang Guo, Chao-Nan Qian, Mu-Sheng Zeng, Jin-Xin Bei, Jing Tan, Shuai Chen, Ming-Huang Hong, Jian-Yong Shao, Ying Sun, Jun Ma, Hai-Qiang Mai
Purpose: This study was conducted to evaluate the prognostic value of treatment-related lymphopenia in patients with nasopharyngeal carcinoma (NPC). Materials and Methods: A total of 413 consecutive Stage II-IVb NPC patients treated with concurrent chemoradiotherapy (CCRT) were enrolled. The overall survival (OS), progression-free survival (PFS) and distant metastasis-free survival (DMFS) were calculated with the Kaplan-Meier method, and differences were compared using the log-rank test...
April 5, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28389590/cutting-edge-increased-autoimmunity-risk-in-glycogen-storage-disease-type-1b-is-associated-with-a-reduced-engagement-of-glycolysis-in-t-cells-and-an-impaired-regulatory-t-cell-function
#9
Daniela Melis, Fortunata Carbone, Giorgia Minopoli, Claudia La Rocca, Francesco Perna, Veronica De Rosa, Mario Galgani, Generoso Andria, Giancarlo Parenti, Giuseppe Matarese
Glycogen storage disease type 1b (GSD-1b) is an autosomal-recessive disease caused by mutation of glucose-6-phosphate transporter and characterized by altered glycogen/glucose homeostasis. A higher frequency of autoimmune diseases has been observed in GSD-1b patients, but the molecular determinants leading to this phenomenon remain unknown. To address this question, we investigated the effect of glucose-6-phosphate transporter mutation on immune cell homeostasis and CD4(+) T cell functions. In GSD-1b subjects, we found lymphopenia and a reduced capacity of T cells to engage glycolysis upon TCR stimulation...
April 7, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28387829/hereditary-polycystic-kidney-disease-is-characterized-by-lymphopenia-across-all-stages-of-kidney-dysfunction-an-observational-study
#10
Steven Van Laecke, Tessa Kerre, Evi V Nagler, Bart Maes, Rogier Caluwe, Eva Schepers, Griet Glorieux, Wim Van Biesen, Francis Verbeke
Background: Polycystic kidney disease (PKD) is characterized by urinary tract infections and extrarenal abnormalities such as an increased risk of cancer. As mutations in polycystin-1 and -2 are associated with decreased proliferation of immortalized lymphoblastoid cells in PKD, we investigated whether lymphopenia could be an unrecognized trait of PKD. Methods: We studied 700 kidney transplant recipients with ( n  = 126) or without PKD at the time of kidney transplantation between 1 January 2003 and 31 December 2014 at Ghent University Hospital...
April 6, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28387753/imatinib-mesylate-inhibits-stat5-phosphorylation-in-response-to-il-7-and-promotes-t-cell-lymphopenia-in-chronic-myelogenous-leukemia-patients
#11
S Thiant, M M Moutuou, P Laflamme, R Sidi Boumedine, D M Leboeuf, L Busque, J Roy, M Guimond
Imatinib mesylate (IM) therapy has been shown to induce lower T cell counts in chronic myelogenous leukemia (CML) patients and an interference of IM with T cell receptor (TCR) signaling has been invoked to explain this observation. However, IL-7 and TCR signaling are both essential for lymphocyte survival. This study was undertaken to determine whether IM interferes with IL-7 or TCR signaling to explain lower T cell counts in patients. At diagnosis, CML patients have typically lower CD4(+) counts in their blood, yet CD8(+) counts are normal or even increased in some...
April 7, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28382737/leukocyte-counts-and-lymphocyte-subsets-in-relation-to-pregnancy-and-hiv-infection-in-malawian-women
#12
Wilson L Mandala, Esther N Gondwe, Malcolm E Molyneux, Jenny M MacLennan, Calman A MacLennan
PROBLEM: We investigated leukocyte and lymphocyte subsets in HIV-infected or HIV-uninfected, pregnant or non-pregnant Malawian women to explore whether HIV infection and pregnancy may act synergistically to impair cellular immunity. METHOD OF STUDY: We recruited 54 pregnant and 48 non-pregnant HIV-uninfected women and 24 pregnant and 20 non-pregnant HIV-infected Malawian women. We compared peripheral blood leukocyte and lymphocyte subsets between women in the four groups...
April 6, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28381751/renal-intravascular-large-b-cell-lymphoma-a-case-report-and-review-of-the-literature
#13
Arnaud Desclaux, Estibaliz Lazaro, Jean-Baptiste Pinaquy, Mokrane Yacoub, Jean-Francois Viallard
We herein report the case of a 52-year-old woman who consulted us because of a 2-month history of a fever, anorexia and weight loss. A physical examination was unremarkable. The blood count showed mild anemia and lymphopenia, and lactate dehydrogenase was elevated. Creatinine clearance was normal and proteinuria was undetectable. CT showed enlarged kidneys. A bone marrow biopsy was normal. PET-CT showed an intense uptake of (18)fluorodeoxyglucose in both kidneys. A kidney biopsy provided the diagnosis of intravascular large B-cell lymphoma (IVLBCL)...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28378419/successful-treatment-of-pemphigus-foliaceus-in-a-berrichon-du-cher-ram-with-methylprednisolone-acetate
#14
Bianca Lambacher, Julia Schoiswohl, Rene Brunthaler, Thomas Wittek, Reinhild Krametter-Frötscher
BACKGROUND: Pemphigus foliaceus is a severe, autoimmune blistering skin disease, which is described in humans and some animal species. In small ruminants pemphigus foliaceus has rarely been described and, to the best of the authors' knowledge, little information is available about successful treatment in sheep. AIM: This case report describes a Berrichon du Cher ram with the presumed diagnosis of pemphigus foliaceus. METHODS: The ram was treated with methylprednisolone acetate 40 mg at a dosage of 2...
April 4, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28377940/dimethyl-fumarate-induced-lymphopenia-in-ms-due-to-differential-t-cell-subset-apoptosis
#15
Mahtab Ghadiri, Ayman Rezk, Rui Li, Ashley Evans, Felix Luessi, Frauke Zipp, Paul S Giacomini, Jack Antel, Amit Bar-Or
OBJECTIVE: To examine the mechanism underlying the preferential CD8(+) vs CD4(+) T-cell lymphopenia induced by dimethyl fumarate (DMF) treatment of MS. METHODS: Total lymphocyte counts and comprehensive T-cell subset analyses were performed in high-quality samples obtained from patients with MS prior to and serially following DMF treatment initiation. Random coefficient mixed-effects analysis was used to model the trajectory of T-cell subset losses in vivo. Survival and apoptosis of distinct T-cell subsets were assessed following in vitro exposure to DMF...
May 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28376626/waldmann-s-disease-a-rare-cause-of-protein-losing-enteropathy-in-an-adult-patient
#16
Cláudio Rodrigues Martins, Alice Gagnaire, Florian Rostain, Come Lepage
Primary intestinal lymphangiectasia or Waldmann's disease is an uncommon cause of protein losing enteropathy with an unknown etiology and is usually diagnosed during childhood. It is characterized by dilation and leakage of intestinal lymph vessels leading to hypoalbuminemia, hypogammaglobulinemia and lymphopenia. Differential diagnosis should include erosive and non-erosive gastrointestinal disorders, conditions involving mesenteric lymphatic obstruction and cardiovascular disorders that increase central venous pressure...
April 5, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28375199/stevens-johnson-syndrome-and-toxic-epidermal-necrolysis-in-childhood-onset-systemic-lupus-erythematosus-patients-a-multicenter-study
#17
Ana Paula Sakamoto, Clovis Artur Silva, Claudia Saad-Magalhães, Aline Nicácio Alencar, Rosa Maria Rodrigues Pereira, Katia Kozu, Cassia Maria Passarelli Lupoli Barbosa, Maria Teresa Terreri
OBJECTIVE: To assess Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) in a large population of childhood-onset systemic lupus erythematosus (cSLE) patients. METHODS: Multicenter study including 852 cSLE patients followed in Pediatric Rheumatology centers in São Paulo, Brazil. SJS was defined as epidermal detachment below 10% of body surface area (BSA), overlap SJS-TEN 10-30% and TEN greater than 30% of BSA. RESULTS: SJS and TEN was observed in 5/852 (0...
March 26, 2017: Acta Reumatológica Portuguesa
https://www.readbyqxmd.com/read/28363412/fty720-derivatives-do-not-induce-fty720-like-lymphopenia
#18
Ismael Segura-Ulate, Troy K Belcher, Guadalupe Vidal-Martinez, Javier Vargas-Medrano, Ruth G Perez
FTY720 is an immunosuppressive multiple sclerosis (MS) drug that stimulates the expression of neuroprotective brain-derived-neurotrophic-factor (BDNF). In vivo preclinical data suggest that FTY720 could be beneficial for treating Parkinson's patients, though its immunosuppressive effects might limit its efficacy. Two novel FTY720-derivatives, FTY720-C2 and FTY720-Mitoxy, also stimulate BDNF expression and enter brain like FTY720 but are not phosphorylated, suggesting they will not produce FTY720-like immunosuppression...
March 2017: Journal of Pharmacological Sciences
https://www.readbyqxmd.com/read/28358629/reconstruction-of-a-mandibular-segmental-defect-with-a-customized-3-dimensional-printed-titanium-prosthesis-in-a-cat-with-a-mandibular-osteosarcoma
#19
Julius M Liptak, Graham P Thatcher, Jonathan P Bray
CASE DESCRIPTION A 12-year-old neutered male domestic shorthair cat had been treated for a mass arising from the lingual aspect of the caudal right mandibular body. Cytoreductive surgery of the mass had been performed twice over a 2-year period, but the mass recurred following both surgeries. The mass was diagnosed as an osteosarcoma, and the cat was referred for further evaluation and treatment. CLINICAL FINDINGS Clinical findings were unremarkable, except for a 2-cm-diameter mass arising from the lingual aspect of the right mandible and mild anemia and lymphopenia...
April 15, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28356208/paraclinical-findings-in-iranian-veterans-exposed-to-sulfur-mustard-gas-a-literature-review
#20
Seyed Mansour Razavi, Masoud Saghafinia, Payman Salamati
OBJECTIVE: Sulfur mustard (SM) causes various systemic disturbances in human beings. This study aimed to assess paraclinical changes caused by exposure to SM gas in Iranian veterans during the war between Iraq and Iran. METHODS: A literature review was carried out in international and national medical databases including ISI, Medline, Scopus, Iranmedex and Irandoc. Both Farsi and English literature were searched. RESULTS: Search of the literature yielded 422 medical articles related to SM poisoning...
April 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
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