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https://www.readbyqxmd.com/read/28627735/genetic-alterations-in-adult-t-cell-leukemia-lymphoma
#1
REVIEW
Yasunori Kogure, Keisuke Kataoka
Adult T-cell leukemia/lymphoma (ATL) is a peripheral T-cell neoplasm with a dismal prognosis, caused by human T-cell leukemia virus type-1 (HTLV-1) retrovirus. A long latency period from HTLV-1 infection to ATL onset suggests that not only HTLV-1 proteins, such as Tax and HBZ, but also additional genetic and/or epigenetic events are required for ATL development. Although many studies have demonstrated the biological functions of viral genes, alterations of cellular genes associated with ATL have not been fully investigated...
June 19, 2017: Cancer Science
https://www.readbyqxmd.com/read/28615198/polymorphic-nature-of-htlv-1-particle-cores-as-revealed-through-characterization-of-a-chronically-infected-cell-line
#2
Morgan E Meissner, Luiza Mendonça, Wei Zhang, Louis M Mansky
Human T-cell leukemia virus type 1 (HTLV-1) is the etiological agent of adult T-cell leukemia (ATL) and HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). HTLV-1 cell-to-cell transmission is dependent on the release of infectious virus particles into the virological synapse. HTLV-1 particle structure is still poorly understood, and previous studies have analyzed viruses produced by transformed lymphocytic cell lines chronically infected with HTLV-1, particularly the MT-2 cell line, which harbors truncated proviruses and expresses aberrant forms of the Gag protein...
June 14, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28602821/timing-and-reset-mechanism-of-gtp-hydrolysis-driven-conformational-changes-of-atlastin
#3
John P O'Donnell, Richard B Cooley, Carolyn M Kelly, Kurt Miller, Olaf S Andersen, Radda Rusinova, Holger Sondermann
The endoplasmic reticulum (ER) forms a branched, dynamic membrane tubule network that is vital for cellular function. Branching arises from membrane fusion facilitated by the GTPase atlastin (ATL). Many metazoan genomes encode for three ATL isoforms that appear to fulfill partially redundant function despite differences in their intrinsic GTPase activity and localization within the ER; however, the underlying mechanistic differences between the isoforms are poorly understood. Here, we identify discrete temporal steps in the catalytic cycle for the two most dissimilar isoforms, ATL1 and ATL3, revealing an overall conserved progression of molecular events from nucleotide binding and hydrolysis to ATL dimerization and phosphate release...
May 31, 2017: Structure
https://www.readbyqxmd.com/read/28597329/safety-and-efficacy-of-mogamulizumab-in-patients-with-adult-t-cell-leukemia-lymphoma-in-japan-interim-results-of-postmarketing-all-case-surveillance
#4
Kenji Ishitsuka, Satoshi Yurimoto, Kouichi Kawamura, Yukie Tsuji, Manabu Iwabuchi, Takeshi Takahashi, Kensei Tobinai
We present the interim results of a postmarketing all-case surveillance study in patients with C-C chemokine receptor 4 (CCR4)-positive, relapsed or refractory adult T-cell leukemia-lymphoma (ATL) treated with the anti-CCR4 monoclonal antibody mogamulizumab since its 2012 launch in Japan. The safety and efficacy analysis populations comprised 484 and 442 patients, respectively. The ATL subtype was acute in 58.9% and lymphoma in 34.2% of patients. All patients were scheduled to receive intravenous infusions of mogamulizumab (1...
June 9, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28593524/virulence-factors-associated-with-coagulase-negative-staphylococci-isolated-from-human-infections
#5
K R Soumya, Suja Philip, Sheela Sugathan, Jyothis Mathew, E K Radhakrishnan
Infections caused by commensal organisms by changing to infectious life style generate much challenge to the current treatment strategies. Coagulase Negative Staphylococci (CoNS) are one of them, with their coexisting biofilm forming and multiple antibiotic resistance properties form important agents of nosocomial infection. To evaluate species distribution, biofilm formation, and antibiogram, CoNS isolates from various clinical samples were isolated. The presence of biofilm and associated genes icaAB, aap, atlE, embp, bhp, and fbe in CoNS was screened by PCR...
June 2017: 3 Biotech
https://www.readbyqxmd.com/read/28592758/haploidentical-transplantation-using-post-transplant-high-dose-cyclophosphamide-for-adult-t-cell-lymphoma-after-mogamulizumab-treatment
#6
Manabu Kusakabe, Naoki Kurita, Hidekazu Nishikii, Rie Sato, Chikashi Yoshida, Yasuhisa Yokoyama, Mamiko Sakata-Yanagimoto, Naoshi Obara, Yuichi Hasegawa, Shigeru Chiba
A 53-year-old man diagnosed with adult T-cell lymphoma (ATL) was treated with mLSG15 chemotherapy and achieved a first complete remission. Subsequently, a liver tumor emerged that was pathologically diagnosed as ATL (first relapse). A second remission was achieved after local irradiation and four cycles of mogamulizumab treatment. The patient received peripheral blood stem cell transplantation (HSCT) from a one haplotype HLA-mismatched daughter after total body irradiation and the administration of fludarabine as a myeloablative conditioning regimen, followed by post-transplant cyclophosphamide...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28592744/treatment-advances-and-prognosis-for-patients-with-adult-t-cell-leukemia-lymphoma
#7
Hiroo Katsuya, Kenji Ishitsuka
A classification for adult T-cell leukemia-lymphoma (ATL) based on clinical features was proposed in 1991: acute, lymphoma, chronic, and smoldering types, and their median survival times (MSTs) were reported to be 6.2, 10.2, 24.3 months, and not reached, respectively. Several new therapies for ATL have since been developed, i.e. dose-intensity multi-agent chemotherapies, allogeneic hematopoietic stem cell transplantation (allo-HSCT), monoclonal antibodies, and anti-viral therapy. The monoclonal antibody to CCR4, mogamulizumab, clearly improved response rates in patients with treatment-naïve and relapsed aggressive ATL, and has the potential to provide a survival advantage...
June 8, 2017: Journal of Clinical and Experimental Hematopathology: JCEH
https://www.readbyqxmd.com/read/28591261/sporotrichoid-leishmaniasis-a-cross-sectional-clinical-epidemiological-and-laboratory-study-in-rio-de-janeiro-state-brazil
#8
Livia Martins Veloso de Carvalho, Maria Inês Fernandes Pimentel, Fátima Conceição-Silva, Érica de Camargo Ferreira E Vasconcellos, Cláudia Maria Valete-Rosalino, Marcelo Rosandiski Lyra, Mariza de Matos Salgueiro, Maurício Naoto Saheki, Maria de Fátima Madeira, Eliame Mouta-Confort, Liliane de Fátima Antonio, Aline Fagundes da Silva, Leonardo Pereira Quintella, Sandro Javier Bedoya-Pacheco, Armando de Oliveira Schubach
Background: Atypical presentations of cutaneous leishmaniasis include sporotrichoid leishmaniasis (SL), which is clinically described as a primary ulcer combined with lymphangitis and nodules and/or ulcerated lesions along its pathway. Aims: To assess the differences between patients with sporotrichoid leishmaniasis and typical cutaneous leishmaniasis (CL). Methods: From January 2004 to December 2010, 23 cases of SL (4.7%) were detected among 494 CL patients diagnosed at a reference center for the disease in Rio de Janeiro State, Brazil...
June 1, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28586470/the-ida-like-peptides-idl6-and-idl7-are-negative-modulators-of-stress-responses-in-arabidopsis-thaliana
#9
Ane Kjersti Vie, Javad Najafi, Per Winge, Ester Cattan, Michael Wrzaczek, Jaakko Kangasjärvi, Gad Miller, Tore Brembu, Atle M Bones
Small signalling peptides have emerged as important cell to cell messengers in plant development and stress responses. However, only a few of the predicted peptides have been functionally characterized. Here, we present functional characterization of two members of the IDA-LIKE (IDL) peptide family in Arabidopsis thaliana, IDL6 and IDL7. Localization studies suggest that the peptides require a signal peptide and C-terminal processing to be correctly transported out of the cell. Both IDL6 and IDL7 appear to be unstable transcripts under post-transcriptional regulation...
June 6, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28585082/magnetic-resonance-imaging-perfusion-is-associated-with-disease-severity-and-activity-in-multiple-sclerosis
#10
Piotr Sowa, Gro Owren Nygaard, Atle Bjørnerud, Elisabeth Gulowsen Celius, Hanne Flinstad Harbo, Mona Kristiansen Beyer
PURPOSE: The utility of perfusion-weighted imaging in multiple sclerosis (MS) is not well investigated. The purpose of this study was to compare baseline normalized perfusion measures in subgroups of newly diagnosed MS patients. We wanted to test the hypothesis that this method can differentiate between groups defined according to disease severity and disease activity at 1 year follow-up. METHODS: Baseline magnetic resonance imaging (MRI) including a dynamic susceptibility contrast perfusion sequence was performed on a 1...
June 5, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28582585/early-onset-of-htlv-1-associated-myelopathy-tropical-spastic-paraparesis-ham-tsp-and-adult-t-cell-leukemia-lymphoma-atl-systematic-search-and-review
#11
Pedro D Oliveira, Amanda C Kachimarek, Achiléa L Bittencourt
Human T-cell lymphotropic virus type 1 (HTLV-1) is endemic in some regions and its vertical transmission occurs mainly through breastfeeding. About 10% of carriers develop associated diseases including HTLV-1 associated myelopathy/tropical spastic paraparesis (HAM/TSP), adult T-cell leukemia/lymphoma (ATL) and infectious dermatitis associated with HTLV-1 (IDH). We searched for available case reports of early-onset HAM/TSP and ATL to evaluate demographic and disease aspects in infantile-juvenile patients. In the reviewed literature, 27 HAM/TSP and 31 ATL cases were found...
June 5, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/28581376/improving-collaboration-between-professionals-supporting-mentally-ill-offenders
#12
Sarah Hean, Atle Ødegård, Elisabeth Willumsen
Purpose Interprofessional collaboration is necessary when supporting mentally ill offenders but little is understood of these interactions. The purpose of this paper is to explore prison officers' perceptions of current and desirable levels of interprofessional collaboration (relational coordination (RC)) to understand how collaboration between these systems can be improved. Design/methodology/approach Gittell's RC scale was administered to prison officers within the Norwegian prison system ( n=160) using an adaptation of the instrument in which actual and desired levels of RC are evaluated...
June 12, 2017: International Journal of Prisoner Health
https://www.readbyqxmd.com/read/28578326/targeting-jurkat-t-lymphocyte-leukemia-cells-by-an-engineered-interferon-alpha-hybrid-molecule
#13
Dehai Yu, Zhonghua Du, Wei Li, Huaqiu Chen, Songgen Ye, Andrew R Hoffman, Jiuwei Cui, Ji-Fan Hu
BACKGROUND/AIMS: Adult T-cell leukemia/lymphoma (ATL) is a very aggressive T cell malignancy that carries a poor prognosis, primarily due to its resistance to chemotherapy and to life-threatening infectious complications. Interferon-alpha (IFNα) has been used in combination with the anti-retroviral drug zidovudine to treat patients with ATL. However, the efficacy of long-term therapy is significantly limited due to the systemic toxicity of IFNα. METHODS: We utilized phage display library screening to identify short peptides that specifically bind to Jurkat T lymphocyte leukemia cells...
June 5, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28577027/heavy-metal-accumulation-by-saccharomyces-cerevisiae-cells-armed-with-metal-binding-hexapeptides-targeted-to-the-inner-face-of-the-plasma-membrane
#14
Lavinia Liliana Ruta, Ralph Kissen, Ioana Nicolau, Aurora Daniela Neagoe, Andrei José Petrescu, Atle M Bones, Ileana Cornelia Farcasanu
Accumulation of heavy metals without developing toxicity symptoms is a phenotype restricted to a small group of plants called hyperaccumulators, whose metal-related characteristics suggested the high potential in biotechnologies such as bioremediation and bioextraction. In an attempt to extrapolate the heavy metal hyperaccumulating phenotype to yeast, we obtained Saccharomyces cerevisiae cells armed with non-natural metal-binding hexapeptides targeted to the inner face of the plasma membrane, expected to sequester the metal ions once they penetrated the cell...
June 3, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28573427/reliability-of-trauma-management-videos-on-youtube-and-their-compliance-with-atls-%C3%A2-9th-edition-guideline
#15
M I Şaşmaz, A H Akça
OBJECTIVE: In this study, the reliability of trauma management scenario videos (in English) on YouTube and their compliance with Advanced Trauma Life Support (ATLS(®)) guidelines were investigated. METHODS: The search was conducted on February 15, 2016 by using the terms "assessment of trauma" and ''management of trauma''. All videos that were uploaded between January 2011 and June 2016 were viewed by two experienced emergency physicians. The data regarding the date of upload, the type of the uploader, duration of the video and view counts were recorded...
June 1, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28569455/nordic-walking-and-specific-strength-training-for-neck-and-shoulder-pain-in-office-workers-a-pilot-study
#16
Atle H Saeterbakken, Solveig Nordengen, Vidar Andersen, Marius S Fimland
BACKGROUND: More than half of all adults have experienced neck pain during the last six months. Studies have demonstrated reduced pain in the neck-and shoulder region after specific strength training of the affected muscles, but specific endurance training of neck and shoulder muscles has not been properly examined. AIM: To examine the impact of Nordic walking (NW) compared to specific strength training (ST) and a non-training control group (Con) on self-reported neck-and shoulder pain among office workers...
June 1, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28566958/cognitive-outcome-after-surgery-in-patients-with-mesial-temporal-lobe-epilepsy
#17
Günay Gül, Demet Yandim Kuşcu, Mesude Özerden, Melek Kandemir, Fulya Eren, Bekir Tuğcu, Cahit Keskinkiliç, Nalan Kayrak, Dursun Kirbaş
INTRODUCTION: The aim of the present study was to evaluate the neuropsychological outcomes of patients with medically intractable unilateral mesial temporal lobe epilepsy (MTLE) due to hippocampal sclerosis (HS) treated either by anterior temporal lobectomy (ATL) or selective amygdalohippocampectomy (SAH). METHODS: This was a retrospective study where 67 patients who had undergone surgery for MTLE were evaluated. Thirty-two patients underwent ATL and 35 underwent SAH...
March 2017: Noro Psikiyatri Arsivi
https://www.readbyqxmd.com/read/28562640/anchoring-plant-metallothioneins-to-the-inner-face-of-the-plasma-membrane-of-saccharomyces-cerevisiae-cells-leads-to-heavy-metal-accumulation
#18
Lavinia Liliana Ruta, Ya-Fen Lin, Ralph Kissen, Ioana Nicolau, Aurora Daniela Neagoe, Simona Ghenea, Atle M Bones, Ileana Cornelia Farcasanu
In this study we engineered yeast cells armed for heavy metal accumulation by targeting plant metallothioneins to the inner face of the yeast plasma membrane. Metallothioneins (MTs) are cysteine-rich proteins involved in the buffering of excess metal ions, especially Cu(I), Zn(II) or Cd(II). The cDNAs of seven Arabidopsis thaliana MTs (AtMT1a, AtMT1c, AtMT2a, AtMT2b, AtMT3, AtMT4a and AtMT4b) and four Noccaea caerulescens MTs (NcMT1, NcMT2a, NcMT2b and NcMT3) were each translationally fused to the C-terminus of a myristoylation green fluorescent protein variant (myrGFP) and expressed in Saccharomyces cerevisiae cells...
2017: PloS One
https://www.readbyqxmd.com/read/28551969/upper-secondary-school-leaving-celebrations-and-final-exams-consultations-in-general-practice-and-emergency-care
#19
Inger Johanne Bakken, Knut-Arne Wensaas, Gry Marysol Grøneng, Atle Fretheim, Camilla Stoltenberg, Knut Inge Klepp, Siri Eldevik Håberg, Simon Øverland
No abstract text is available yet for this article.
May 2017: Tidsskrift for Den Norske Lægeforening: Tidsskrift for Praktisk Medicin, Ny Række
https://www.readbyqxmd.com/read/28545868/ameliorative-effect-of-atractylenolide-iii-in-the-mast-cell-proliferation-induced-by-tslp
#20
Myoung-Schook Yoou, Sun-Young Nam, Mu Hyun Jin, So Young Lee, Mi-Sun Kim, Seok Seon Roh, In Hwa Choi, Nariyah Woo, SeokWon Lim, Dong Hyun Kim, Jae-Bum Jang, Hyung-Min Kim, Hyun-Ja Jeong
Atractylenolide III (ATL-III) is an active compound of Atractylodes lancea, which has been widely used for the treatment of cancer. Cancer is closely connected with inflammation, and many anti-inflammatory agents are also used to treat cancer. We investigated the influence of ATL-III on thymic stromal lymphopoietin (TSLP)-induced inflammatory reactions. Pretreatment with ATL-III suppressed murine double minute 2 levels and promoted p53 levels in TSLP-treated human mast cell, HMC-1 cells. Mast cell proliferation increased by TSLP or IL-3 stimulation was significantly decreased by ATL-III pretreatment...
May 22, 2017: Food and Chemical Toxicology
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