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https://www.readbyqxmd.com/read/29136092/microrpm-a-microrna-prediction-model-based-only-on-plant-small-rna-sequencing-data
#1
Kuan-Chien Tseng, Yi-Fan Chiang-Hsieh, Hsuan Pai, Chi-Nga Chow, Shu-Chuan Lee, Han-Qin Zheng, Po-Li Kuo, Guan-Zhen Li, Yu-Cheng Hung, Na-Sheng Lin, Wen-Chi Chang
Motivation: MicroRNAs (miRNAs) are endogenous non-coding small RNAs (of about 22 nucleotides), which play an important role in the post-transcriptional regulation of gene expression via either mRNA cleavage or translation inhibition. Several machine learning-based approaches have been developed to identify novel miRNAs from next generation sequencing (NGS) data. Typically, precursor/genomic sequences are required as references for most methods. However, the non-availability of genomic sequences is often a limitation in miRNA discovery in non-model plants...
November 9, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29132795/-interdigital-tinea-pedis-resulting-from-fusarium-spp-in-dakar-senegal
#2
K Diongue, M A Diallo, M Ndiaye, M C Seck, A S Badiane, D Ndiaye
INTRODUCTION: Fungal interdigital tinea pedis (ITP) is a common pathology mainly due to dermatophytes and yeasts. Fusarium sp. is rarely incriminated in the genesis of intertrigo. In Dakar, a recent study conducted in 2016 on fungal ITP showed that Fusarium were more involved in the etiology of ITP than dermatophytes, coming just after yeasts dominated by Candida. Following this, we wanted to draw attention to the increasing incidence of ITP resulting from Fusarium spp., in Dakar, Senegal, and to analyze the epidemiological and mycological particularities of these ITP due to Fusarium spp...
November 10, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/29120578/role-of-cannabinoid-cb2-receptor-gene-cnr2-polymorphism-in-children-with-immune-thrombocytopenic-purpura-in-beni-suef-governorate-in-egypt
#3
Dina A Ezzat, Amira A Hammam, Waleed M El-Malah, Rasha A Khattab, Eman M Mangoud
The cannabinoid system is involved in the immune regulation by modulation of Th cells type 1 and 2. It is composed of the CB2 receptor which is expressed at 10 to 100 folds greater levels on immune cells than the CB1 receptors. The CB2 is encoded by the cannabinoid CB receptor gene (CNR2) gene. This study aims to investigate the polymorphism in CNR2 gene variation rs 35761398 (Q63R) in Egyptian children with immune thrombocytopenic purpura and to investigate the relation between this gene polymorphism and either the susceptibility to or the chronicity of the disease...
January 2017: Egyptian Journal of Immunology
https://www.readbyqxmd.com/read/29101508/a-sticky-situation-myocardial-infarction-in-a-young-woman-with-immune-thrombocytopenia-on-eltrombopag-and-a-history-of-mediastinal-radiation
#4
Jennifer Teichman, Ahmed Taher, Abdulaziz Hashi, Akshay Bagai, Michelle Sholzberg
More recent immune thrombocytopenia (ITP) treatment strategies enhance platelet production with the use of thrombopoietin receptor agonists (TPO-RA) such as eltrombopag. Patients receiving TPO-RA agents may be at an increased risk of thromboembolism, however the pathophysiology and common underlying risk factors are not well understood. We present the case of a young asplenic woman on eltrombopag for chronic ITP with acute myocardial infarction involving the right coronary artery. Past medical history was significant for remote mediastinal radiation for lymphoma and splenectomy for ITP...
November 3, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/29091809/pharmacological-agents-preceding-a-diagnosis-of-immune-thrombocytopenia-in-adult-patients-developing-the-chronic-form-a-swedish-national-register-study
#5
Lukas Löfling, Marie Linder, Charlotta Ekstrand, Honar Cherif, Helle Kieler, Shahram Bahmanyar
Patients with primary chronic immune thrombocytopenia (cITP) have been reported to use more anti-infective medications, even before diagnosis of immune thrombocytopenia (ITP). The more common use of anti-infective medications may be due to general health problems, requiring medication in the early stages of cITP and before the diagnosis is set, rather than infections preceding the disease. Accordingly, cITP may not only be associated with use of anti-infective medications but also with medications for more general symptoms...
October 23, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/29090586/diagnosis-and-treatment-of-myh9-rd-in-an-australasian-cohort-with-thrombocytopenia
#6
David J Rabbolini, Yenna Chun, Maya Latimer, Shinji Kunishima, Kathleen Fixter, Bhavia Valecha, Peter Tan, Lee Ping Chew, Benjamin T Kile, Rachel Burt, Kottayam Radhakrishnan, Robert Bird, Paul Ockelford, Sara Gabrielli, Qiang Chen, William S Stevenson, Christopher M Ward, Marie-Christine Morel-Kopp
MYH9-related disorders (MYH9-RDs) caused by mutation of the MYH9 gene which encodes non-muscle myosin heavy-chain-IIA (NMMHC-IIA), an important motor protein in hemopoietic cells, are the most commonly encountered cause of inherited macrothrombocytopenia. Despite distinguishing features including an autosomal dominant mode of inheritance, giant platelets on the peripheral blood film accompanied by leucocytes with cytoplasmic inclusion bodies (döhle-like bodies), these disorders remain generally under-recognized and often misdiagnosed as immune thrombocytopenia (ITP)...
November 1, 2017: Platelets
https://www.readbyqxmd.com/read/29089814/a-case-of-metastatic-prostate-cancer-and-immune-thrombocytopenia
#7
D M Betsch, S Gray, S E Zed
Prostate cancer frequently metastasizes to bone, but bone marrow involvement is relatively less common. In advanced prostate cancer, significant bone marrow infiltration can result in hematologic abnormalities such as anemia and thrombocytopenia. We report the case of a patient who presented with a new diagnosis of thrombocytopenia at the same time that he presented with prostate cancer metastatic to bone. He was found to have immune thrombocytopenia (itp) which responded to treatment with steroids. We discuss this case and review the literature on itp in the setting of advanced malignancy...
October 2017: Current Oncology
https://www.readbyqxmd.com/read/29084292/efficacy-and-safety-of-dapsone-as-second-line-therapy-for-adult-immune-thrombocytopenia-a-retrospective-study-of-42-patients
#8
Clémentine Estève, Maxime Samson, Alexandre Guilhem, Barbara Nicolas, Vanessa Leguy-Seguin, Sabine Berthier, Bernard Bonnotte, Sylvain Audia
Dapsone is recommended as a second line therapy in immune thrombocytopenia (ITP), but is underused because of its potential side effects. The medical charts of 42 ITP patients treated with dapsone (100 mg/day) were retrospectively reviewed in order to assess its efficacy and safety in daily clinical practice. The overall response rate was 54.8% (n = 22, with a complete response in 38.1%) with a median time to response of 29 days (24-41 days). Patients with complete response had shorter disease duration whereas no difference was observed between responders and non-responders regarding age, sex or previous treatments received...
2017: PloS One
https://www.readbyqxmd.com/read/29083324/protein-kinase-a-determines-platelet-life-span-and-survival-by-regulating-apoptosis
#9
Lili Zhao, Jun Liu, Chunyan He, Rong Yan, Kangxi Zhou, Qingya Cui, Xingjun Meng, Xiaodong Li, Yang Zhang, Yumei Nie, Yang Zhang, Renping Hu, Yancai Liu, Lian Zhao, Mengxing Chen, Weiling Xiao, Jingluan Tian, Yunxiao Zhao, Lijuan Cao, Ling Zhou, Anning Lin, Changgeng Ruan, Kesheng Dai
Apoptosis delimits platelet life span in the circulation and leads to storage lesion, which severely limits the shelf life of stored platelets. Moreover, accumulating evidence indicates that platelet apoptosis provoked by various pathological stimuli results in thrombocytopenia in many common diseases. However, little is known about how platelet apoptosis is initiated or regulated. Here, we show that PKA activity is markedly reduced in platelets aged in vitro, stored platelets, and platelets from patients with immune thrombocytopenia (ITP), diabetes, and bacterial infections...
October 30, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29080979/autoimmune-cytopenias-and-associated-conditions-in-cvid-a-report-from-the-usidnet-registry
#10
Elizabeth J Feuille, Niloofar Anooshiravani, Kathleen E Sullivan, Ramsay L Fuleihan, Charlotte Cunningham-Rundles
PURPOSE: Autoimmune cytopenia is frequently a presenting manifestation of common variable immune deficiency (CVID). Studies characterizing the CVID phenotype associated with autoimmune cytopenias have mostly been limited to large referral centers. Here, we report prevalence of autoimmune cytopenias in CVID from the USIDNET Registry and compare the demographics and clinical features of patients with and without this complication. METHODS: Investigators obtained demographic, laboratory, and clinical data on CVID patients within the USIDNET Registry...
October 28, 2017: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/29078925/thrombotic-microangiopathies-ttp-hus-hellp
#11
REVIEW
Shane Kappler, Sarah Ronan-Bentle, Autumn Graham
Thrombocytopenia, strictly defined as a platelet count less than 150,000, is common in the emergency department. Recognition, diagnostic investigation, and proper disposition of a thrombocytopenic patient are imperative. One group of disorders leading to thrombocytopenia is the thrombotic microangiopathies, hallmarked by platelet destruction. These thrombotic microangiopathies include thrombotic thrombocytopenic purpura (TTP), hemolytic uremic syndrome (HUS) and hemolysis, elevated liver enzyme levels, low platelet count (HELLP), which should be distinguished from similar disease processes such as immune thrombocytopenia (ITP), disseminated intravascular coagulation (DIC) and heparin induced thrombocytopenia (HIT)...
December 2017: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/29077103/micro-free-flow-electrophoresis
#12
REVIEW
Alexander C Johnson, Michael T Bowser
Micro free-flow electrophoresis (μFFE) is a continuous separation technique in which analytes are streamed through a perpendicularly applied electric field in a planar separation channel. Analyte streams are deflected laterally based on their electrophoretic mobilities as they flow through the separation channel. A number of μFFE separation modes have been demonstrated, including free zone (FZ), micellar electrokinetic chromatography (MEKC), isoelectric focusing (IEF) and isotachophoresis (ITP). Approximately 60 articles have been published since the first μFFE device was fabricated in 1994...
October 27, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/29076339/characterization-of-individual-isopropylated-and-tert-butylated-triarylphosphate-itp-and-tbpp-isomers-in-several-commercial-flame-retardant-mixtures-and-house-dust-standard-reference-material-srm-2585
#13
Allison L Phillips, Stephanie C Hammel, Alex Konstantinov, Heather M Stapleton
Since the phase-out of pentaBDE in the early 2000s, replacement flame-retardant mixtures including Firemaster 550 (FM 550), Firemaster 600 (FM 600), and organophosphate aryl ester technical mixtures have been increasingly used to treat polyurethane foam in residential upholstered furniture. These mixtures contain isomers of isopropylated and tert-butylated triarylphosphate esters (ITPs and TBPPs), which have similar or greater neuro- and developmental toxicity compared to BDE 47 in high-throughput assays. Additionally, human exposure to ITPs and TBPPs has been demonstrated to be widespread in several recent studies; however, the relative composition of these mixtures has remained largely uncharacterized...
November 13, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/29075074/percentage-of-memory-b-lymphocytes-and-regulatory-t-lymphocytes-in-peripheral-blood-are-low-but-not-predictive-of-therapy-outcomes-in-newly-diagnosed-adult-patients-with-primary-immune-thrombocytopenia
#14
Mustafa Yilmaz, Semiha Ayhan
Although changes in the number and function of regulatory T lymphocytes have been reported in primary immune thrombocytopenia (ITP), no study has investigated whether quantification of these cell types in peripheral blood could be used as early predictive marker of treatment outcome. And, it is not clear whether any change occurs in peripheral blood memory B lymphocyte levels in ITP. Hence, the aim of this study was to investigate the percentage of regulatory T lymphocytes and memory B lymphocytes in peripheral blood of ITP patients compared to controls, and also examine whether these levels have any significant predictive value for therapy outcome...
December 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29075073/moderate-to-severe-thrombocytopenia-during-pregnancy-a-single-institutional-experience
#15
Bum Jun Kim, Hyeong Su Kim, Jung Han Kim, Keun Young Lee
Most of thrombocytopenic pregnant women present mild decrease of platelet counts and have favorable outcome. However, small portion of these cases can show moderate to severe thrombocytopenia and may increase the risk of bleeding during delivery. We investigated the prevalence, causes, and outcomes of pregnancies complicated by moderate to severe thrombocytopenia. We reviewed medical records of pregnant women who were diagnosed with moderate to severe thrombocytopenia (<100 × 10(9)/L) during their pregnancies...
December 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29075071/low-dose-rituximab-in-chronic-itp-still-an-option-in-resource-limited-settings
#16
Rajan Kapoor, Rajiv Kumar, M Mahapatra, H P Pati, Suman Kumar Pramanik
The etiology of ITP remains unknown but its pathogenesis consists of loss of tolerance to platelet antigens. There is a complex dysregulation of the immune system involving both the B cells and the T cells. Splenectomy is the standard second line option in steroid refractory chronic ITP patients. However, costs of surgery and reluctance for surgery in severely thrombocytopenic patients on part of surgeons are major obstacles in resource limited settings. Rituximab has been used in both the standard doses of 375 mg/m(2) and low doses of 100 mg/m(2) with similar results...
December 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29069007/successful-eltrombopag-treatment-of-severe-refractory-thrombocytopenia-in-chronic-myelomonocytic-leukemia-two-cases-reports-a-care-compliant-article
#17
Yayue Gao, Ming Gong, Chunxia Zhang, Xudong Kong, Yigai Ma
RATIONALE: Thrombocytopenia in chronic myelomonocytic leukemia (CMML) is usually attributed to impaired marrow production resulting from cytotoxic drug use or CMML itself ("CMML-induced thrombocytopenia"). In very rare cases, immune thrombocytopenia (ITP) can be a complication of CMML ("CMML-associated ITP"). However, treatment of severe thrombocytopenia in patients with CMML is still a challenge. PATIENT CONCERNS: Case 1 was a 61-year-old female patient admitted to our hospital because of skin petechiae and purpura for 6 days...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29068869/dural-venous-sinus-thrombosis-and-pulmonary-embolism-following-immunoglobulin-treatment-in-pediatric-patient-with-immune-thrombocytopenic-purpura
#18
Kyung Mi Park, Eu Jeen Yang, Young Tak Lim
Intravenous immunoglobulin (IVIG) is a widely used agent as the first choice of treatment of immune thrombocytopenic purpura (ITP). IVIG has several side effects, but it is a relatively safe treatment. Life-threatening thrombosis has been reported in adults and rarely in children. We report a case of a 14-year-old boy with dural venous sinus thrombosis and pulmonary embolism after treatment with IVIG for ITP. The patient was treated with low-molecular-weight heparin followed by warfarin and the symptoms were recovered...
November 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29067848/distinct-clinical-correlates-of-immune-thrombocytopenic-purpura-at-diagnosis-of-childhood-onset-and-adult-sle
#19
Gladys Cherres Xavier Esteves, Natali Weniger Spelling Gormezano, Oriany L Pereira, David Kern, Clovis Almeida Silva, Rosa Maria Rodrigues Pereira, Katia Tomie Kozu, Eloisa Bonfá, Nadia Emi Aikawa
OBJECTIVES: To compare clinical and laboratorial features between childhood-onset systemic lupus erythematosus (cSLE) and adult SLE (aSLE) at concomitant diagnosis of immune thrombocytopenic purpura (ITP). METHODS: This study evaluated 56 cSLE and 73 aSLE patients regularly followed at Pediatric and Rheumatology Divisions of the same University hospital with ITP (platelets count <100,000/mm(3) in the absence of other causes) at lupus onset. RESULTS: Median current age was 11...
October 25, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/29062578/immune-thrombocytopenia-in-a-child-with-neuroblastoma
#20
Hasan Tarkan Ikizoglu, Inci Ayan, Fatma Tokat, Tulay Tecimer, Gonca Topuzlu Tekant
Thrombocytopenia is a frequent finding in patients with solid tumors. It is usually caused by bone marrow infiltration or by myelosuppression due to anticancer therapy; however immune thrombocytopenia (ITP) associated with solid tumors is rare. Neuroblastoma is the most common extracranial solid tumor in children. Here we report the case of a two-year-nine-month-old patient with adrenal neuroblastoma who presented with ITP. Paraneoplastic ITP was considered in the differential diagnosis. Bone marrow infiltration and other causes of thrombocytopenia were excluded and the patient was treated with intravenous immunoglobulin and tumor resection...
2017: Case Reports in Pediatrics
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