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immune thrombocytopenic

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https://www.readbyqxmd.com/read/28442528/inflammatory-bowel-disease-and-immune-thrombocytopenic-purpura-combined-immune-dysregulation-in-an-adolescent
#1
Karen Queliza, Faith D Ihekweazu, Arshaan Ali, Richard Kellermayer
Concomitant inflammatory bowel disease (IBD) and immune thrombocytopenic purpura (ITP) is a rare phenomenon. A shared immunologic pathway leading to mucosal inflammation and platelet destruction has been proposed. We report a case of a 14-year-old male who presented with abdominal pain, hematochezia, weight loss, and thrombocytopenia. Endoscopic and hematologic evaluations led to the diagnosis of ulcerative colitis (UC) and ITP, respectively. Initial treatment of his UC resulted in improvement in both gastrointestinal symptoms and platelet count...
March 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/28424819/plasma-micrornas-characterising-patients-with-immune-thrombocytopenic-purpura
#2
Bin Zuo, Juping Zhai, Lifang You, Yunxiao Zhao, Jianfeng Yang, Zhen Weng, Lan Dai, Qingyu Wu, Changgeng Ruan, Yang He
Altered microRNA (miRNA) expression has been reported in patients with immune thrombocytopenic purpura (ITP). However, the detailed expression profiling of cell-free circulating miRNAs in ITP patients has not been fully investigated. In this study, we aimed to examine plasma miRNAs in ITP patients and evaluate their diagnostic values. Plasma samples from 74 ITP patients and 58 healthy controls were obtained and allocated into discovery, validation, and therapy-response sets. Initial screen with a miRNA microarray assay identified 23 miRNAs with different levels between ITP patients and healthy controls (>1...
April 20, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28424750/celiac-disease-presenting-with-immune-thrombocytopenic-purpura
#3
Hakan Sarbay, Billur Cosan Sarbay, Mehmet Akın, Halil Kocamaz, Mahya Sultan Tosun
Celiac disease (CD) is an immunological disorder. Clinical manifestations occur as a result of intestinal mucosa damage and malabsorption. CD is also associated with extraintestinal manifestations and autoimmune disorders. The coexistence of CD and autoimmune diseases has been described before. In this article, a patient with CD presenting with thrombocytopenia is discussed.
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/28416507/thrombotic-thrombocytopenic-purpura
#4
Bérangère S Joly, Paul Coppo, Agnes Veyradier
Thrombotic thrombocytopenic purpura (TTP) is a rare and life-threatening thrombotic micro-angiopathy characterized by a microangiopathic hemolytic anemia, severe thrombocytopenia and organ ischemia linked to disseminated microvascular platelet rich-thrombi. TTP is specifically related to a severe deficiency in ADAMTS13 (A Disintegrin and Metalloprotease with ThromboSpondin type 1 repeats, member 13), the specific von Willebrand factor-cleaving pro-tease. ADAMTS13 deficiency is most frequently acquired via ADAMTS13 autoantibodies but rarely, it is inherited via mutations of ADAMTS13 gene...
April 17, 2017: Blood
https://www.readbyqxmd.com/read/28411378/immune-responses-and-long-term-disease-recurrence-status-after-telomerase-based-dendritic-cell-immunotherapy-in-patients-with-acute-myeloid-leukemia
#5
Hanna J Khoury, Robert H Collins, William Blum, Patrick S Stiff, Laurence Elias, Jane S Lebkowski, Anita Reddy, Kevin P Nishimoto, Debasish Sen, Edward D Wirth, Casey C Case, John F DiPersio
BACKGROUND: Telomerase activity in leukemic blasts frequently is increased among patients with high-risk acute myeloid leukemia (AML). In the current study, the authors evaluated the feasibility, safety, immunogenicity, and therapeutic potential of human telomerase reverse transcriptase (hTERT)-expressing autologous dendritic cells (hTERT-DCs) in adult patients with AML. METHODS: hTERT-DCs were produced from patient-specific leukapheresis, electroporated with an mRNA-encoding hTERT and a lysosomal-targeting sequence, and cryopreserved...
April 14, 2017: Cancer
https://www.readbyqxmd.com/read/28409645/evaluation-of-platelet-function-in-thrombocytopenia
#6
Mette Tiedemann Skipper, Peter Rubak, Jesper Stentoft, Anne-Mette Hvas, Ole Halfdan Larsen
Whole blood aggregometry is a functional assay for determination of platelet function. Until now, whole blood aggregometry has not been considered feasible at low platelet counts. Hence, the objectives of the present study were to explore platelet function in thrombocytopenia using a novel index of impedance aggregometry adjusted for platelet count and evaluate the association to platelet function assessed by flow cytometry. Hirudin anticoagulated blood was collected from 20 healthy volunteers, 20 patients with primary immune thrombocytopenia (ITP), and 17 hematological cancer patients...
April 14, 2017: Platelets
https://www.readbyqxmd.com/read/28395447/-quantity-of-treg-cells-and-th17-cells-in-spleen-of-primary-immune-thrombocytopenic-purpura-patients
#7
Y Y Yang, F Q Zhang, Y Pan, F Chen, M J Huang, D Y Zeng, H G Huang
Objective: To observe the quantity of Treg cells and Th17 cells in spleen of adult primary immune thrombocytopenic purpura (ITP) patients. Methods: 43 ITP cases with splenectomy treatment were enrolled from December 2008 to June 2016 at Union Hospital of Fujian Medical University, including 20 males and 23 females with a median age of 36 (18-76) years. The controls were thirty patients who underwent splenectomy because of pancreatic diseases or splenic impairment, including 21 males and 9 females with a median age of 47 (21-69) years...
March 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28383532/the-immature-platelet-fraction-creating-neonatal-reference-intervals-and-using-these-to-categorize-neonatal-thrombocytopenias
#8
B C MacQueen, R D Christensen, E Henry, A M Romrell, T J Pysher, S T Bennett, M C Sola-Visner
OBJECTIVE: The immature platelet fraction (IPF) is a laboratory measurement analogous to the reticulocyte count, but reflecting the thrombopoietic state. Similar to a reticulocyte count, it can be expressed as a percent (IPF%=percent of platelets that are immature) or as an absolute number per μl blood; the immature platelet count (IPC=IPF% × platelets per μl of blood). STUDY DESIGN: Using a retrospective analysis of de-identified data from non-thrombocytopenic neonates, we created reference intervals for IPF% and IPC...
April 6, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28378905/measurements-of-immature-platelets-with-haematology-analysers-are-of-limited-value-to-separate-immune-thrombocytopenia-from-bone-marrow-failure
#9
Annalina Cybulska, Lisa Meintker, Jürgen Ringwald, Stefan W Krause
Detection of immature platelets in the circulation may help to dissect thrombocytopenia due to platelet destruction from bone marrow failure (BMF). We prospectively tested the predictive value of immature platelets, measured as immature platelet fraction (IPF) on the XE-5000 (Sysmex, Kobe, Japan) or percentage of reticulated platelets (rPT) on the CD Sapphire (Abbott Diagnostics, Santa Clara, CA, USA) to separate immune thrombocytopenia (ITP) from BMF (leukaemia, myelodysplastic syndrome, aplastic anaemia)...
April 5, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28352325/analysis-of-clinical-effects-and-mechanism-of-recombinant-human-interleukin-11-with-glucocorticoids-for-treatment-of-idiopathic-thrombocytopenic-purpura
#10
Xifeng Wu, Lijuan Wang, Lin Sun, Tantan Li, Xuehong Ran
The aim of the present study was to evaluate the effectiveness and safety of recombinant human interleukin-11 (IL-11) with glucocorticoids for treatment of adult idiopathic thrombocytopenic purpura (ITP) and the regulatory effect on immune mechanisms. A total of 80 patients with initial diagnosis of ITP admitted to our hospital were selected. Patients were randomly divided into the control group and observation group, with 40 cases each. The control group received glucocorticoids treatment, and the observation group received IL-11 and glucocorticoids...
February 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28344807/ipilimumab-induced-thrombotic-thrombocytopenic-purpura-ttp
#11
Jeanelle King, Javier de la Cruz, Jose Lutzky
BACKGROUND: CTLA-4 (Cytotoxic T-lymphocyte-associated protein 4) was the first immune checkpoint receptor clinically targeted for use in cancer treatment. It is expressed exclusively on T-cells where its primary role is to regulate the amplitude of the early stages of T-cell activation.1 Ipilimumab, a CTLA-4 blocking antibody, has been widely used for the treatment of patients with high risk and metastatic melanoma. Given its mechanism of action and consequent immune activation, the side effect profile of this drug greatly differs from that of standard cytotoxic chemotherapy...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28302694/incidental-littoral-cell-angioma-in-refractory-immune-thrombocytopenic-purpura
#12
Juli-Anne Gardner, Katherine Devitt
No abstract text is available yet for this article.
March 16, 2017: Blood
https://www.readbyqxmd.com/read/28271416/bleeding-tendency-and-platelet-function-during-treatment-with-romiplostim-in-children-with-severe-immune-thrombocytopenic-purpura
#13
Elena V Suntsova, Irina M Demina, Anastasia A Ignatova, Nikolay M Ershov, Natalia M Trubina, Juliya Dobrynina, Irina V Serkova, Zhanna S Supik, Ekaterina V Orekhova, Lili A Hachatryan, Natalia N Kotskaya, Aleksey V Pshonkin, Aleksey A Maschan, Galina A Novichkova, Mikhail A Panteleev
It has been suggested that platelet function in chronic immune thrombocytopenic purpura (ITP) may be abnormal. Thrombopoietin mimetics used for treatment can affect it, but the data remain limited. We investigated platelet function of 20 children diagnosed with severe ITP (aged 1-16 years, 12 females and eight males). Platelet functional activity in whole blood was characterized by flow cytometry before and after stimulation with SFLLRN plus collagen-related peptide. Levels of CD42b, PAC1, and CD62P, but not CD61 or annexin V, were significantly increased (P < 0...
March 7, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28258612/vitamin-d-receptor-gene-polymorphisms-in-immune-thrombocytopenic-purpura
#14
Sule Yesil, Hikmet Gulsah Tanyildiz, Sibel Akpinar Tekgunduz, Sule Toprak, Ali Fettah, Asiye Ugras Dikmen, Gurses Sahin
BACKGROUND: Vitamin D receptor (VDR) gene polymorphisms have been studied in immune-mediated disorders, but not yet in immune thrombocytopenic purpura (ITP). We investigated whether VDR variants were associated with ITP in children. METHODS: The study included 44 children with a diagnosis of ITP and 100 healthy controls. Five VDR polymorphisms (Cdx-2, FokI, BsmI, ApaI and TaqI) were genotyped and used to evaluate the association of VDR variants with ITP. RESULTS: The distribution of the three Cdx-2 genotyping groups (GG, GA, and AA) was significantly different between ITP patients and controls (p=0...
March 4, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28254202/predictors-of-granulomatous-lymphocytic-interstitial-lung-disease-in-common-variable-immunodeficiency
#15
Stella Hartono, Megan S Motosue, Shakila Khan, Vilmarie Rodriguez, Vivek N Iyer, Rohit Divekar, Avni Y Joshi
BACKGROUND: A subset of patients with common variable immunodeficiency (CVID) develop granulomatous lymphocytic interstitial lung disease (GLILD), which is associated with early mortality. OBJECTIVE: To determine a set of clinical and/or laboratory parameters that correlate with GLILD. METHODS: A retrospective, nested case-control (patients with CVID diagnosed with GLILD compared with patients with CVID without a diagnosis of GLILD) medical record review was undertaken at Mayo Clinic, Rochester, MN...
February 18, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28239462/thrombocytopenia-in-patients-with-melanoma-receiving-immune-checkpoint-inhibitor-therapy
#16
Eileen Shiuan, Kathryn E Beckermann, Alpaslan Ozgun, Ciara Kelly, Meredith McKean, Jennifer McQuade, Mary Ann Thompson, Igor Puzanov, John P Greer, Suthee Rapisuwon, Michael Postow, Michael A Davies, Zeynep Eroglu, Douglas Johnson
BACKGROUND: Immune checkpoint inhibitors, including antibodies against programmed death 1 (PD-1) and cytotoxic T-lymphocyte antigen 4 (CTLA-4), are being used with increasing frequency for the treatment of cancer. Immune-related adverse events (irAEs) including colitis, dermatitis, and pneumonitis are well described, but less frequent events are now emerging with larger numbers of patients treated. Herein we describe the incidence and spectrum of thrombocytopenia following immune checkpoint inhibitor therapy and two severe cases of idiopathic thrombocytopenic purpura (ITP)...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28208873/high-dose-intravenous-anti-d-immune-globulin-is-more-effective-and-safe-in-indian-paediatric-patients-of-immune-thrombocytopenic-purpura
#17
Trupti Rekha Swain, Rabindra Kumar Jena, Kali Prasanna Swain
INTRODUCTION: Immune Thrombocytopenia (ITP) is characterised by an autoimmune antibody-mediated destruction of platelets and impaired platelet production. Few controlled trials exist to guide management of patients with ITP in Indian scenario for which patients require an individualized approach. Anti-D (Rho (D) immune globulin) at a higher dose can prove to be a cost effective and safe alternative for Indian patients with ITP. AIM: To compare the safety and efficacy of higher dose (75μg/kg) intravenous Anti-D immune globulin against the standard dose of 50μg/kg for the management of ITP in Indian patients...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28203488/efficacy-and-safety-of-clairyg-%C3%A2-a-ready-to-use-intravenous-immunoglobulin-in-adult-patients-with-primary-immune-thrombocytopenia
#18
Borhane Slama, Olivier Fain, Hervé Maisonneuve, Eric Jourdan, Jean-François Viallard, Rabye Ouaja, Ousmane Alfa-Cissé, Bertrand Godeau
PURPOSE: The present study was designed to assess the efficacy and safety of IGNG that is a new liquid, saccharose and maltose-free highly purified ready-to-use 5% intravenous immunoglobulin (IVIg), in primary immune thrombocytopenic patients with severe thrombocytopenia. METHODS: Nineteen adults with a platelet count ≤ 25 × 10(9)/L received a single dose of IGNG (1 g/kg) on Day 1, with a second identical dose on Day 3 if needed. Patients were followed for 30 days...
2017: American Journal of Blood Research
https://www.readbyqxmd.com/read/28203325/inherited-thrombocytopenia-with-a-different-type-of-gene-mutation-a-brief-literature-review-and-two-case-studies
#19
Mohammad Taghi Arzanian
Hereditary thrombocytopenias are rare bleeding disorders, which cause a deficiency of platelets in early infancy. This group of disorders is sometimes associated with abnormal phenotypes, like absence of radius. Diagnosis of this type of thrombocytopenia is usually difficult; other causes of thrombocytopenia, such as immune disorders and infections, must be ruled out. The symptoms of hereditary thrombocytopenia also vary from seldom and mild to severe bleeding and occasionally may first occur in late childhood...
October 2016: Iranian Journal of Pediatrics
https://www.readbyqxmd.com/read/28194178/role-of-helicobacter-pylori-eradication-therapy-on-platelet-recovery-in-chronic-immune-thrombocytopenic-purpura
#20
Khan Sheema, Ujjan Ikramdin, Naz Arshi, Naz Farah, Sheikh Imran
Background. Idiopathic thrombocytopenic purpura (ITP) is a bleeding disorder in which the immune system destroys native platelets. In this condition an autoantibody is generated against a platelet antigen. ITP affects women more often than men and is more common in children than adults. Objective. To assess the effect of Helicobacter pylori eradication therapy (HPET) on platelet count in Helicobacter pylori associated chronic immune thrombocytopenic purpura (chronic ITP) in adult. Materials and Methods. It is an interventional prospective study conducted at Liaquat University of Medical and Health Sciences, Jamshoro, from 2014 to 2015...
2017: Gastroenterology Research and Practice
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