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https://www.readbyqxmd.com/read/29750067/real-world-effectiveness-and-safety-of-oral-anticoagulation-strategies-in-atrial-fibrillation-a-cohort-study-based-on-a-german-claims-dataset
#1
Sabrina Mueller, Antje Groth, Stefan G Spitzer, Anja Schramm, Andreas Pfaff, Ulf Maywald
Objective: To compare the real-world effectiveness and safety of non-vitamin-K-antagonist oral anticoagulant (NOAC) treatment in atrial fibrillation (AF) patients with a vitamin-K-antagonist (VKA)-based treatment. Methods: This was a retrospective analysis of an anonymized claims dataset from 3 German health insurance funds covering the period from January 01, 2010 to June 30, 2014, with a minimum observation time of 12 months. All continuously insured patients with at least 2 outpatient AF diagnoses and/or 1 inpatient respective diagnosis who received at least 1 outpatient prescription of a NOAC or VKA were included...
2018: Pragmatic and Observational Research
https://www.readbyqxmd.com/read/29621237/amino-acid-starvation-sensing-dampens-il-1%C3%AE-production-by-activating-riboclustering-and-autophagy
#2
Srikanth Battu, Sumbul Afroz, Jeevan Giddaluru, Saima Naz, Weishan Huang, Saratchandra Singh Khumukcham, Rafiq Ahmad Khan, SaleemYousuf Bhat, Insaf Ahmed Qureshi, Bramanandam Manavathi, Aleem Ahmed Khan, Avery August, Seyed Ehtesham Hasnain, Nooruddin Khan
Activation of the amino acid starvation response (AAR) increases lifespan and acute stress resistance as well as regulates inflammation. However, the underlying mechanisms remain unclear. Here, we show that activation of AAR pharmacologically by Halofuginone (HF) significantly inhibits production of the proinflammatory cytokine interleukin 1β (IL-1β) and provides protection from intestinal inflammation in mice. HF inhibits IL-1β through general control nonderepressible 2 kinase (GCN2)-dependent activation of the cytoprotective integrated stress response (ISR) pathway, resulting in rerouting of IL-1β mRNA from translationally active polysomes to inactive ribocluster complexes-such as stress granules (SGs)-via recruitment of RNA-binding proteins (RBPs) T cell-restricted intracellular antigen-1(TIA-1)/TIA-1-related (TIAR), which are further cleared through induction of autophagy...
April 5, 2018: PLoS Biology
https://www.readbyqxmd.com/read/29615001/epstein-barr-virus-positive-peripheral-t-cell-lymphoma-with-novel-variants-in-stat5b-of-a-pediatric-patient-a-case-report
#3
Zihang Chen, Limin Gao, Mi Wang, Yuan Tang, Sha Zhao, Weiping Liu
BACKGROUND: Epstein-Barr virus positive peripheral T cell lymphoma (EBV + PTCL) is a rare type of lymphoproliferative disorder which is always present in late adulthood. However, pediatric EBV + PTCL is extremely rare and always present with lymphadenopathy. Additionally, gene detection was not performed in all of these pediatric patients. CASE PRESENTATION: We report an EBV + PTCL in a 9-year-old child with initial symptom of subcutaneous masses without lymph node involvement...
April 3, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29561433/primary-testicular-natural-killer-t-cell-lymphoma-a-care-case-report-and-review-of-literature
#4
Wan-Lin Zhang, Shuang Ma, Rachel Jug, Fan Li, Endi Wang, Huan-Yu Zhao, Hong-Tao Xu, Lin Cai, Cheng-Qian Yu, Shuai Shen, Lian-He Yang
RATIONALE: Primary testicular natural killer (NK)/T-cell lymphoma is an extremely rare and highly aggressive lymphoid malignancy. At present, only 20 cases have been reported. PATIENT CONCERNS: A 32-year-old Chinese man complained of discomfort and swelling of his right testicle for 3 months. Physical examination revealed a 10 × 10 × 9.5 cm mass on the right side of the scrotum area. DIAGNOSES: Pathologic evaluation showed effacement of normal testicular parenchymal architecture by small-to-medium-sized lymphoid cells with irregular nuclear profiles, and immunohistochemical studies positively expressed CD2, CD56, cytoplasmic CD3, granzyme B, perforin, and TIA-1...
March 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29555582/suberanilohydroxamic-acid-prevents-tgf-%C3%AE-1-induced-cox-2-repression-in-human-lung-fibroblasts-post-transcriptionally-by-tia-1-downregulation
#5
Alice Pasini, Oliver J Brand, Gisli Jenkins, Alan J Knox, Linhua Pang
Cyclooxygenase-2 (COX-2), with its main antifibrotic metabolite PGE2 , is regarded as an antifibrotic gene. Repressed COX-2 expression and deficient PGE2 have been shown to contribute to the activation of lung fibroblasts and excessive deposition of collagen in pulmonary fibrosis. We have previously demonstrated that COX-2 expression in lung fibroblasts from patients with idiopathic pulmonary fibrosis (IPF) is epigenetically silenced and can be restored by epigenetic inhibitors. This study aimed to investigate whether COX-2 downregulation induced by the profibrotic cytokine transforming growth factor-β1 (TGF-β1) in normal lung fibroblasts could be prevented by epigenetic inhibitors...
May 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29524860/carotid-atherosclerosis-and-risk-for-ischemic-stroke-in-patients-with-atrial-fibrillation-on-oral-anticoagulant-treatment
#6
Cecilia Becattini, Francesco Dentali, Giuseppe Camporese, Agnese Sembolini, Elena Rancan, Chiara Tonello, Giorgia Manina, Seena Padayattil, Giancarlo Agnelli
BACKGROUND AND AIMS: Whether carotid atherosclerosis is associated with an increased risk for ischemic stroke in patients with atrial fibrillation (AF) on anticoagulant treatment is undefined. To explore this association, patients with AF on treatment with vitamin K antagonists were included in a multicenter, prospective study. METHODS: At inclusion in the study, patients underwent Doppler-ultrasonography for the assessment of carotid atherosclerosis and then were prospectively followed...
April 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29496454/potential-use-of-tia-1-mff-microrna-200a-3p-and-microrna-27-as-a-novel-marker-for-hepatocellular-carcinoma
#7
Hyosun Tak, Hoin Kang, Eunbyul Ji, Youlim Hong, Wook Kim, Eun Kyung Lee
Precise and early diagnosis is critical to improve the survival rate of hepatocellular carcinoma (HCC) patients. Although several genetic and protein markers have been developed and are currently used for diagnosis, prognosis, risk stratification, and therapeutic monitoring, application of these markers still needs to be improved for better specificity and efficacy. In this study, we investigated the relative expression of mitochondrial dynamics-regulating factors including T-cell intercellular antigen protein-1 (TIA-1), mitochondrial fission factor (MFF), microRNA (miR)-200a-3p, and miR-27a/b in the liver tissues from HCC patients...
March 18, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29363227/expression-of-activating-natural-killer-cell-receptors-is-a-hallmark-of-the-innate-like-t-cell-neoplasm-in-peripheral-t-cell-lymphomas
#8
Yu Uemura, Yasushi Isobe, Akiko Uchida, Junko Asano, Yuji Nishio, Hirotaka Sakai, Masahiro Hoshikawa, Masayuki Takagi, Naoya Nakamura, Ikuo Miura
Peripheral T- or natural killer (NK)-cell lymphomas are rare and difficult-to-recognize diseases. It remains arduous to distinguish between NK cell- and cytotoxic T-lymphocyte-derived lymphomas through routine histological evaluation. To clarify the cells of origin, we focused on NK-cell receptors and examined the expression using immunohistochemistry in 22 cases with T- and NK-cell neoplasms comprising angioimmunoblastic T-cell lymphoma, anaplastic lymphoma kinase (ALK)-positive and -negative anaplastic large-cell lymphomas, extranodal NK/T-cell lymphoma, nasal type, monomorphic epitheliotropic intestinal T-cell lymphoma, aggressive NK-cell leukemia, and other peripheral T-cell lymphomas...
April 2018: Cancer Science
https://www.readbyqxmd.com/read/29340095/tumoral-immune-infiltrate-if-pd-l1-expression-and-role-of-cd8-tia-1-lymphocytes-in-localized-osteosarcoma-patients-treated-within-protocol-isg-os1
#9
Emanuela Palmerini, Claudio Agostinelli, Piero Picci, Stefano Pileri, Teresa Marafioti, Pier-Luigi Lollini, Katia Scotlandi, Alessandra Longhi, Maria Serena Benassi, Stefano Ferrari
Background: We hypothesized that immune-infiltrates were associated with superior survival, and examined a primary osteosarcoma tissue microarrays (TMAs) to test this hypothesis. Methods: 129 patients (pts) with localized osteosarcoma treated within protocol ISG-OS1 were included in the study. Clinical characteristics, expression of CD8, CD3, FOXP3, CD20, CD68/CD163 (tumor associated macrophage, TAM), Tia-1 (cytotoxic T cell), CD303 (plasmacytoid dendritic cells: pDC), Arginase-1 (myeloid derived suppressor cells: MDSC), PD-1 on immune-cells (IC), and PD-L1 on tumoral cells (TC) and IC were analysed and correlated with outcome...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29337236/maintenance-of-the-innate-seizure-threshold-by-cyclooxygenase-2-is-not-influenced-by-the-translational-silencer-t-cell-intracellular-antigen-1
#10
Yifan Gong, James A Hewett
Activity of neuronal cyclooxygenase-2 (COX-2), a primary source of PG synthesis in the normal brain, is enhanced by excitatory neurotransmission and this is thought to be involved in seizure suppression. Results herein showing that the incidence of pentylenetetrazole (PTZ)-induced convulsions is suppressed in transgenic mice overexpressing COX-2 in neurons support this notion. T-cell intracellular antigen-1 (TIA-1) is an mRNA binding protein that is known to bind to COX-2 mRNA and repress its translation in non-neuronal cell types...
March 1, 2018: Neuroscience
https://www.readbyqxmd.com/read/29298433/tia-1-self-multimerization-phase-separation-and-recruitment-into-stress-granules-are-dynamically-regulated-by-zn-2
#11
Joseph B Rayman, Kevin A Karl, Eric R Kandel
Stress granules are non-membranous structures that transiently form in the cytoplasm during cellular stress, where they promote translational repression of non-essential RNAs and modulate cell signaling by sequestering key signal transduction proteins. These and other functions of stress granules facilitate an adaptive cellular response to environmental adversity. A key component of stress granules is the prion-related RNA-binding protein, T cell intracellular antigen-1 (TIA-1). Here, we report that recombinant TIA-1 undergoes rapid multimerization and phase separation in the presence of divalent zinc, which can be reversed by the zinc chelator, TPEN...
January 2, 2018: Cell Reports
https://www.readbyqxmd.com/read/29245256/primary-pulmonary-extranodal-nk-t-cell-lymphoma-of-nasal-type-misdiagnosed-as-pneumonia-a-case-report-and-literature-review
#12
REVIEW
Juan Zhang, MaoJuan Wang, XiaoDong Yang, Chang Liu, Xin He
RATIONALE: Primary pulmonary NK/T cell lymphoma is extremely rare, and only a few cases have reported so far. Its diagnosis is mainly dependent on open-lung biopsy. PATIENT CONCERNS: Here, we report a 44-year-old male who was initially misdiagnosed as having pneumonia according to the clinical characteristics and computed tomography (CT) findings. DIAGNOSIS: The first lung biopsy indicated a large number of coagulative necrotic lesions, and definite diagnosis was made after the second lung biopsy following non-response to 6-day wide spectrum antibiotic therapy...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29109951/rna-binding-protein-regulation-and-cross-talk-in-the-control-of-au-rich-mrna-fate
#13
REVIEW
Sofía M García-Mauriño, Francisco Rivero-Rodríguez, Alejandro Velázquez-Cruz, Marian Hernández-Vellisca, Antonio Díaz-Quintana, Miguel A De la Rosa, Irene Díaz-Moreno
mRNA metabolism is tightly orchestrated by highly-regulated RNA Binding Proteins (RBPs) that determine mRNA fate, thereby influencing multiple cellular functions across biological contexts. Here, we review the interplay between six well-known RBPs (TTP, AUF-1, KSRP, HuR, TIA-1, and TIAR) that recognize AU-rich elements (AREs) at the 3' untranslated regions of mRNAs, namely ARE-RBPs. Examples of the links between their cross-regulations and modulation of their targets are analyzed during mRNA processing, turnover, localization, and translational control...
2017: Frontiers in Molecular Biosciences
https://www.readbyqxmd.com/read/29084250/kshv-inhibits-stress-granule-formation-by-viral-orf57-blocking-pkr-activation
#14
Nishi R Sharma, Vladimir Majerciak, Michael J Kruhlak, Zhi-Ming Zheng
TIA-1 positive stress granules (SG) represent the storage sites of stalled mRNAs and are often associated with the cellular antiviral response. In this report, we provide evidence that Kaposi's sarcoma-associated herpesvirus (KSHV) overcomes the host antiviral response by inhibition of SG formation via a viral lytic protein ORF57. By immunofluorescence analysis, we found that B lymphocytes with KSHV lytic infection are refractory to SG induction. KSHV ORF57, an essential post-transcriptional regulator of viral gene expression and the production of new viral progeny, inhibits SG formation induced experimentally by arsenite and poly I:C, but not by heat stress...
October 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/29067721/the-perivascular-microenvironment-in-epstein-barr-virus-positive-primary-central-nervous-system-lymphoma-the-role-of-programmed-cell-death-1-and-programmed-cell-death-ligand-1
#15
Yasuo Sugita, Takuya Furuta, Koichi Ohshima, Satoru Komaki, Junko Miyoshi, Motohiro Morioka, Hideyuki Abe, Takanori Nozawa, Yukihiko Fujii, Hitoshi Takahashi, Akiyoshi Kakita
It has been shown that high expression of certain immune checkpoint molecules, including those of the programmed death protein 1/programmed death ligand 1 (PD-1/PD-L1) axis, can be utilized to regulate immunosuppression in the microenvironment of malignant neoplasms. For the purpose of clarifying the immune-escape mechanism of primary central nervous system lymphomas (PCNSLs), particularly in Epstein-Barr virus (EBV)-positive cases, markers for PD-1, PD-L1, tumor-associated macrophages (TAMs), and tumor-infiltrating lymphocytes (TILs) in 39 surgical specimens of PCNSLs (17 EBV-positive, 22 EBV-negative) were investigated by immunohistochemistry...
October 24, 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/29063643/primary-central-nervous-system-extranodal-nasal-type-natural-killer-t-cell-lymphoma-with-cd20-expression
#16
Dujuan Li, Fangfang Fu, Lifei Lian
We report a unique case of primary CNS extranodal natural killer/T-cell lymphoma (PCNS ENKTCL) with CD20 expression and the monoclonal rearrangement of Ig heavey chain (IgH) gene. Resection specimens were evaluated using HE-stained sections, immunohistochemistry, in situ hybridization and PCR. Histopathologic examination, immunohistochemistry and molecular studies showed the intermediate-sized lymphoma cells expressing CD2, CD3ε, granzyme B, TIA-1, CD20 and Epstein-Barr virus-encoded RNA, with germline T-cell receptor gene and the monoclonal rearrangement of IgH gene...
October 24, 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/29021357/radiographic-and-symptomatic-brain-ischemia-in-cea-and-cas-a-systematic-review-and-meta-analysis
#17
REVIEW
Sung-Min Cho, Abhishek Deshpande, Vinay Pasupuleti, Adrian V Hernandez, Ken Uchino
OBJECTIVE: In a systematic review, we compared ratio of new periprocedural radiographic brain ischemia (RBI) to the number of strokes and TIAs among patients undergoing carotid endarterectomy (CEA) and carotid artery stenting (CAS). METHODS: We searched 5 databases for entries related to brain ischemia in CEA or CAS from inception through September 2015. We included articles with CEA or CAS and systematic performance of preprocedural and postprocedural brain MRI and reporting of RBI and stroke incidence...
November 7, 2017: Neurology
https://www.readbyqxmd.com/read/28845890/long-term-aspirin-does-not-lower-risk-of-stroke-and-increases-bleeding-risk-in-low-risk-atrial-fibrillation-ablation-patients
#18
Victoria Jacobs, Heidi T May, Tami L Bair, Brian G Crandall, Michael J Cutler DO, John D Day, Charles Mallender, Jeffrey S Osborn, J Peter Weiss, T Jared Bunch
BACKGROUND: Stroke risk is a significant concern in patients with atrial fibrillation (AF). Low stroke risk patients (CHADS2 VASc 0-2) are often treated long-term with aspirin after catheter ablation. Defining the long-term risks versus benefits of aspirin therapy, after an ablation, is essential to validate this common clinical approach. METHODS: A total of 4,124 AF ablation patients undergoing their index ablation were included in this retrospective observational study...
November 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28800179/short-term-outcomes-of-atrial-flutter-ablation
#19
Byomesh Tripathi, Shilpkumar Arora, Abhishek Mishra, Vishwa Reddy Kundoor, Sopan Lahewala, Varun Kumar, Mahek Shah, Dhairya Lakhani, Harshil Shah, Nilay V Patel, Nileshkumar J Patel, Mihir Dave, Abhishek Deshmukh, Sattur Sudhakar, Radha Gopalan
BACKGROUND: Understanding the factors associated with early readmissions following atrial flutter (AFL) ablation is critical to reduce the cost and improving the quality of life in AFL patients. METHOD: The study cohort was derived from the national readmission database 2013-2014. International Classification of Diseases, 9th Revision (ICD-9-CM) diagnosis code 427.32 and procedure code 37.34 were used to identify AFL and catheter ablation, respectively. The primary and secondary outcomes were 90-day readmission and complications including in-hospital mortality...
November 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28693298/chicken-rna-binding-protein-t-cell-internal-antigen-1-contributes-to-stress-granule-formation-in-chicken-cells-and-tissues
#20
Yingjie Sun, Pin Zhang, Hang Zheng, Luna Dong, Lei Tan, Cuiping Song, Xusheng Qiu, Ying Liao, Chunchun Meng, Shengqing Yu, Chan Ding
T-cell internal antigen-1 (TIA-1) has roles in regulating alternative pre-mRNA splicing, mRNA translation, and stress granule (SG) formation in human cells. As an evolutionarily conserved response to environmental stress, SGs have been reported in various species. However, SG formation in chicken cells and the role of chicken TIA-1 (cTIA-1) in SG assembly has not been elucidated. In the present study, we cloned cTIA-1 and showed that it facilitates the assembly of canonical SGs in both human and chicken cells...
January 31, 2018: Journal of Veterinary Science
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