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https://www.readbyqxmd.com/read/28649848/mogamulizumab-for-the-treatment-of-t-cell-lymphoma
#1
Shinichi Makita, Kensei Tobinai
T-cell lymphoma is a relatively rare hematologic malignancy that accounts for 10-20% of non-Hodgkin lymphomas. Treatment strategies for T-cell lymphomas are different from that for B-cell lymphomas and have poor prognoses. Among various subtypes of T-cell lymphomas, adult T-cell leukemia-lymphoma (ATL) has the worst prognosis. To achieve further improvement in the treatment outcome of T-cell lymphomas, several novel agents such as brentuximab vedotin, lenalidomide, romidepsin, and pralatrexate are actively being studied...
June 24, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28649354/the-role-of-landscape-characteristics-for-forage-maturation-and-nutritional-benefits-of-migration-in-red-deer
#2
Atle Mysterud, Brit Karen Vike, Erling L Meisingset, Inger Maren Rivrud
Large herbivores gain nutritional benefits from following the sequential flush of newly emergent, high-quality forage along environmental gradients in the landscape, termed green wave surfing. Which landscape characteristics underlie the environmental gradient causing the green wave and to what extent landscape characteristics alone explain individual variation in nutritional benefits remain unresolved questions. Here, we combine GPS data from 346 red deer (Cervus elaphus) from four partially migratory populations in Norway with the satellite-derived normalized difference vegetation index (NDVI), an index of plant phenology...
June 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28647325/the-processing-of-semantic-relatedness-in-the-brain-evidence-from-associative-and-categorical-false-recognition-effects-following-transcranial-direct-current-stimulation-of-the-left-anterior-temporal-lobe
#3
Emiliano Díez, Carlos J Gómez-Ariza, Antonio M Díez-Álamo, María A Alonso, Angel Fernandez
A dominant view of the role of the anterior temporal lobe (ATL) in semantic memory is that it serves as an integration hub, specialized in the processing of semantic relatedness by way of mechanisms that bind together information from different brain areas to form coherent amodal representations of concepts. Two recent experiments, using brain stimulation techniques along with the Deese-Roediger-McDermott (DRM) paradigm, have found a consistent false memory reduction effect following stimulation of the ATL, pointing to the importance of the ATL in semantic/conceptual processing...
June 3, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28646671/frontotemporal-lobar-degeneration-and-social-behaviour-dissociation-between-the-knowledge-of-its-consequences-and-its-conceptual-meaning
#4
Roland Zahn, Sophie Green, Helen Beaumont, Alistair Burns, Jorge Moll, Diana Caine, Alexander Gerhard, Paul Hoffman, Benjamin Shaw, Jordan Grafman, Matthew A Lambon Ralph
Inappropriate social behaviour is an early symptom of frontotemporal lobar degeneration (FTLD) in both behavioural variant frontotemporal dementia (bvFTD) and semantic dementia (SD) subtypes. Knowledge of social behaviour is essential for appropriate social conduct. The superior anterior temporal lobe (ATL) has been identified as one key neural component for the conceptual knowledge of social behaviour, but it is unknown whether this is dissociable from knowledge of the consequences of social behaviour. Here, we used a newly-developed test of knowledge about long-term and short-term consequences of social behaviour to investigate its impairment in patients with FTLD relative to a previously-developed test of social conceptual knowledge...
June 3, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28646117/cyclin-dependent-kinase-9-is-a-novel-specific-molecular-target-in-adult-t-cell-leukemia-lymphoma
#5
Tomoko Narita, Takashi Ishida, Asahi Ito, Ayako Masaki, Shiori Kinoshita, Susumu Suzuki, Hisashi Takino, Takashi Yoshida, Masaki Ri, Shigeru Kusumoto, Hirokazu Komatsu, Kazunori Imada, Yuetsu Tanaka, Takaori-Kondo Akifumi, Hiroshi Inagaki, Arne Scholz, Philip Lienau, Taruho Kuroda, Ryuzo Ueda, Shinsuke Iida
Cyclin-dependent kinase 9 (CDK9), a subunit of the positive transcription elongation factor b (P-TEFb) complex, regulates gene transcription elongation by phosphorylating the carboxy-terminal domain (CTD) of RNA polymerase II (RNAPII).  The deregulation of CDK9/P-TEFb has important implications for many cancer types.  BAY 1143572 is a novel and highly selective CDK9/P-TEFb inhibitor currently being investigated in phase I studies. We evaluated the therapeutic potential of BAY 1143572 in adult T-cell leukemia/lymphoma (ATL)...
June 23, 2017: Blood
https://www.readbyqxmd.com/read/28639253/ultrasonography-in-trauma-a-nation-wide-cross-sectional-investigation
#6
Jesper Weile, Klaus Nielsen, Stine C Primdahl, Christian A Frederiksen, Christian B Laursen, Erik Sloth, Hans Kirkegaard
BACKGROUND: The Focused Assessment with Sonography in Trauma (FAST) protocol is considered beneficial in emergent evaluation of trauma patients with blunt or penetrating injury and has become integrated into the Advanced Trauma Life Support (ATLS) protocol. No guidelines exist as to the use of ultrasonography in trauma in Denmark. We aimed to determine the current use of ultrasonography for assessing trauma patients in Denmark. METHODS: We conducted a nation-wide cross-sectional investigation of ultrasonography usage in trauma care...
December 2017: Critical Ultrasound Journal
https://www.readbyqxmd.com/read/28627735/genetic-alterations-in-adult-t-cell-leukemia-lymphoma
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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