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https://www.readbyqxmd.com/read/27929057/the-importance-of-structural-softening-for-the-evolution-and-architecture-of-passive-margins
#1
T Duretz, B Petri, G Mohn, S M Schmalholz, F L Schenker, O Müntener
Lithospheric extension can generate passive margins that bound oceans worldwide. Detailed geological and geophysical studies in present and fossil passive margins have highlighted the complexity of their architecture and their multi-stage deformation history. Previous modeling studies have shown the significant impact of coarse mechanical layering of the lithosphere (2 to 4 layer crust and mantle) on passive margin formation. We built upon these studies and design high-resolution (~100-300 m) thermo-mechanical numerical models that incorporate finer mechanical layering (kilometer scale) mimicking tectonically inherited heterogeneities...
December 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27927699/mosaic-organization-of-body-pattern-control-in-the-optic-lobe-of-squids
#2
Tsung-Han Liu, Chuan-Chin Chiao
: Cephalopods in nature undergo highly dynamic skin coloration changes that allow rapid camouflage and intra-species communication. The optic lobe is thought to play a key role in controlling the expansion of the chromatophores that generate these diverse body patterns. However, the functional organization of the optic lobe and neural control of the various body patterns by the optic lobe are largely unknown. We applied electrical stimulation within the optic lobe to investigate the neural basis of body patterning in the oval squid Sepioteuthis lessoniana Most areas in the optic lobe mediated predominately ipsilateral expansion of chromatophores present on the mantle but not on the head and arms; furthermore, the expanded areas after electrical stimulation were positively correlated with an increase in stimulating voltage and stimulation depth...
December 7, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27927586/rituximab-bendamustine-and-low-dose-cytarabine-as-induction-therapy-in-elderly-patients-with-mantle-cell-lymphoma-a-multicentre-phase-2-trial-from-fondazione-italiana-linfomi
#3
Carlo Visco, Annalisa Chiappella, Luca Nassi, Caterina Patti, Simone Ferrero, Daniela Barbero, Andrea Evangelista, Michele Spina, Annalia Molinari, Luigi Rigacci, Monica Tani, Alice Di Rocco, Graziella Pinotti, Alberto Fabbri, Renato Zambello, Silvia Finotto, Manuel Gotti, Angelo M Carella, Flavia Salvi, Stefano A Pileri, Marco Ladetto, Giovannino Ciccone, Gianluca Gaidano, Marco Ruggeri, Maurizio Martelli, Umberto Vitolo
BACKGROUND: The combination of rituximab, bendamustine, and cytarabine (R-BAC) was highly active in a pilot trial of mantle cell lymphoma, but its use was restricted by high haematological toxicity. We aimed to assess the efficacy and safety of an R-BAC regimen with low-dose cytarabine (RBAC500). METHODS: In this multicentre, phase 2 trial, we recruited previously untreated patients with an established histological diagnosis of mantle cell lymphoma from 29 Fondazione Italiana Linfomi centres in Italy...
December 2, 2016: Lancet Haematology
https://www.readbyqxmd.com/read/27927585/bendamustine-rituximab-in-mantle-cell-lymphoma
#4
Andrew Lipsky, Peter Martin
No abstract text is available yet for this article.
December 2, 2016: Lancet Haematology
https://www.readbyqxmd.com/read/27921142/intra-population-variability-of-ocean-acidification-impacts-on-the-physiology-of-baltic-blue-mussels-mytilus-edulis-integrating-tissue-and-organism-response
#5
L S Stapp, J Thomsen, H Schade, C Bock, F Melzner, H O Pörtner, G Lannig
Increased maintenance costs at cellular, and consequently organism level, are thought to be involved in shaping the sensitivity of marine calcifiers to ocean acidification (OA). Yet, knowledge of the capacity of marine calcifiers to undergo metabolic adaptation is sparse. In Kiel Fjord, blue mussels thrive despite periodically high seawater PCO2, making this population interesting for studying metabolic adaptation under OA. Consequently, we conducted a multi-generation experiment and compared physiological responses of F1 mussels from 'tolerant' and 'sensitive' families exposed to OA for 1 year...
December 5, 2016: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
https://www.readbyqxmd.com/read/27920699/asymptomatic-multiple-lymphomatous-polyposis-identified-during-staging-bidirectional-endoscopy-of-mantle-cell-lymphoma
#6
Sonja P Dawsey, Jason A Gregory, Alexander W Brown, Frances J Jones
Multiple lymphomatous polyposis (MLP) as an extranodal manifestation of mantle cell lymphoma (MCL) in the gastrointestinal tract is rare and not often reported in the literature. We describe the case of a 63-year-old female with asymptomatic MLP found during staging bidirectional endoscopy of MCL. The patient presented only with dyspnea, but was found on physical exam to have diffuse lymphadenopathy, and subsequent positron emission tomography (PET) CT showed extensive lymph node adenopathy consistent with lymphoma...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/27917682/the-preclinical-discovery-and-development-of-bortezomib-for-the-treatment-of-mantle-cell-lymphoma
#7
Richard Arkwright, Tri Minh Pham, Jeffrey A Zonder, Q Ping Dou
Introduction- Mantle cell lymphoma (MCL) is an incurable, often aggressive B-cell malignancy. Bortezomib (BTZ), the 20S proteasome inhibitor was originally developed and approved for treatment of relapsed refractory multiple myeloma, and subsequently approved for treatment of MCL. BTZ's single-agent activity induces clinical responses in approximately one-third of relapsed MCL patients. BTZ-containing combination therapies have further improved the quality and duration of clinical responses compared to standard chemotherapies in previously untreated MCL patients...
December 3, 2016: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/27917497/acquired-factor-xiii-inhibitor-associated-with-mantle-cell-lymphoma
#8
Christian P Nixon, Elizabeth H Prsic, Christine A Guertin, Ryan L Stevenson, Joseph D Sweeney
BACKGROUND: Acquired Factor (F)XIII deficiency is a very rare bleeding diathesis with a potentially fatal outcome, previously described in the context of autoimmune disorders and leukemias. There is minimal information on autoantibody characterization and the role of antifibrinolytic therapy in patient management. CASE REPORT: A 79-year-old woman with a 3-month history of bruising and heavy menorrhagia presented with ongoing vaginal bleeding, symptomatic anemia, and a right thigh hematoma...
December 4, 2016: Transfusion
https://www.readbyqxmd.com/read/27917071/a-distinct-source-and-differentiation-history-for-kolumbo-submarine-volcano-santorini-volcanic-field-aegean-arc
#9
Martijn Klaver, Steven Carey, Paraskevi Nomikou, Ingrid Smet, Athanasios Godelitsas, Pieter Vroon
This study reports the first detailed geochemical characterization of Kolumbo submarine volcano in order to investigate the role of source heterogeneity in controlling geochemical variability within the Santorini volcanic field in the central Aegean arc. Kolumbo, situated 15 km to the northeast of Santorini, last erupted in 1650 AD and is thus closely associated with the Santorini volcanic system in space and time. Samples taken by remotely-operated vehicle that were analyzed for major element, trace element and Sr-Nd-Hf-Pb isotope composition include the 1650 AD and underlying K2 rhyolitic, enclave-bearing pumices that are nearly identical in composition (73 wt...
August 2016: Geochemistry, Geophysics, Geosystems: G³
https://www.readbyqxmd.com/read/27913893/scleroderma-areolatum-ectomycorrhiza-on-fagus-sylvatica-l
#10
Tanja Mrak, Katja Kühdorf, Tine Grebenc, Ines Štraus, Babette Münzenberger, Hojka Kraigher
Despite its broad host range and distribution and its potential applications in commercial plantation forests, comprehensive descriptions of Scleroderma ectomycorrhizae are available only for Scleroderma citrinum, Scleroderma bovista and Scleroderma sinnamariense. This study provides a morphological and anatomical description of tree nursery derived ectomycorrhizae of Scleroderma areolatum on Fagus sylvatica, grown for several years in a climatized room. Ectomycorrhizae of S. areolatum were silvery white with abundant rhizomorphs; all mantle layers were plectenchymatous, rhizomorphs of type E, with prominent emanating hyphae with thick cell wall...
December 2, 2016: Mycorrhiza
https://www.readbyqxmd.com/read/27913513/minimal-residual-disease-in-mantle-cell-lymphoma-insights-into-biology-and-impact-on-treatment
#11
Eva Hoster, Christiane Pott
Despite the recent substantial improvement of clinical outcome in mantle cell lymphoma (MCL), resistance to immunochemotherapy and common relapses are challenges for long-term tumor control. The assessment of minimal residual disease (MRD) by real-time quantitative polymerase chain reaction has emerged as a widely feasible and standardized tool for direct assessment of therapy-induced reduction of tumor burden and regrowth after cytotoxic treatment in MCL, with much improved sensitivity compared with conventional staging procedures...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913512/walking-a-tightrope-clinical-use-of-ibrutinib-in-mantle-cell-lymphoma-in-the-elderly
#12
Marco Ruella, Pierre Soubeyran
Representative clinical case. A 74-year-old male patient was diagnosed with stage 3 mantle cell lymphoma in 2012. Because he was ineligible for intensive treatment (age, previous myocardial infarction [MI]), he received rituximab plus cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) chemoimmunotherapy for 6 cycles (reaching complete response) and then rituximab maintenance (RM) for 2 years. One year after the end of RM, he relapsed with disseminated disease. He was started on ibrutinib 560 mg/day...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913511/treatment-of-the-elderly-patient-with-mantle-cell-lymphoma
#13
Pierre Soubeyran, Rémy Gressin
Treatment options for mantle cell lymphomas have expanded considerably over recent years, offering hematologists solutions for older patients with an appropriate risk-to-benefit ratio. Indeed, unfit older patients are exposed to a higher risk of toxicity with a standard treatment. Although new treatments have generally good safety profiles, they may lead to unexpected consequences in unfit older patients. Involving geriatricians and a comprehensive geriatric assessment in patient care could help hematologists address these vulnerabilities...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913510/frontline-therapy-and-role-of-high-dose-consolidation-in-mantle-cell-lymphoma
#14
Simon Rule
Mantle cell lymphoma (MCL) is a rare and aggressive form of non-Hodgkin lymphoma. It is predominantly a disease of older individuals, with a median age at presentation of ∼70 years. For the majority of patients, the management revolves around immuno-chemotherapy often followed by maintenance rituximab, and at relapse, a range of options are available. For the younger patient, it is possible to be more intensive with therapy, consolidate responses with high-dose procedures, and in a few there might be the prospect of a cure...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27911437/the-role-of-the-proteasome-in-aml
#15
REVIEW
C M Csizmar, D-H Kim, Z Sachs
Acute myeloid leukemia (AML) is deadly hematologic malignancy. Despite a well-characterized genetic and molecular landscape, targeted therapies for AML have failed to significantly improve clinical outcomes. Over the past decade, proteasome inhibition has been demonstrated to be an effective therapeutic strategy in several hematologic malignancies. Proteasome inhibitors, such as bortezomib and carfilzomib, have become mainstays of treatment for multiple myeloma and mantle cell lymphoma. In light of this success, there has been a surge of literature exploring both the role of the proteasome and the effects of proteasome inhibition in AML...
December 2, 2016: Blood Cancer Journal
https://www.readbyqxmd.com/read/27910832/vacancy-pairing-and-superstructure-in-the-high-pressure-silicate-k1-5mg2si2o7h0-5-a-new-potential-host-for-potassium-in-the-deep-earth
#16
M D Welch, L Bindi, V Petříček, J Plášil
The high-pressure silicate K1.5Mg2Si2O7H0.5, synthesized and characterized by Welch et al. [(2012), Am. Mineral. 97, 1849-1857], has been re-examined with the aim of determining the nature of the superstructure noted in their study. The composition corresponds to a 1:1 combination of KMg2Si2O7H and K2Mg2Si2O7 end-members, but it is not a solid solution. Single-crystal X-ray diffraction data for one of the original K1.5Mg2Si2O7H0.5 crystals synthesized at 16 GPa/1573 K, has been collected using a much longer exposure time in order to improve the intensity statistics of weak superlattice reflections identified by Welch et al...
December 1, 2016: Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials
https://www.readbyqxmd.com/read/27910030/recurrent-cytogenetic-abnormalities-in-non-hodgkin-s-lymphoma-and-chronic-lymphocytic-leukemia
#17
Edmond S K Ma
Characteristic chromosomal translocations are found to be associated with subtypes of B-cell non-Hodgkin lymphoma (NHL), for example t(8;14)(q24;q32) and Burkitt lymphoma, t(14;18)(q32;q21) and follicular lymphoma, and t(11;14)(q13;q32) in mantle cell lymphoma. Only few recurrent cytogenetic aberrations have been identified in the T-cell NHL and the best known is the ALK gene translocation t(2;5)(p23;q35) in anaplastic large cell lymphoma. Since lymph node or other tissue is seldom submitted for conventional cytogenetics study, alternative approaches for translocation detection are polymerase chain reaction (PCR) or fluorescence in situ hybridization (FISH)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27909912/identification-and-characterization-of-the-lysine-rich-matrix-protein-family-in-pinctada-fucata-indicative-of-roles-in-shell-formation
#18
Jian Liang, Jun Xie, Jing Gao, Chao-Qun Xu, Yi Yan, Gan-Chu Jia, Liang Xiang, Li-Ping Xie, Rong-Qing Zhang
Mantle can secret matrix proteins playing key roles in regulating the process of shell formation. The genes encoding lysine-rich matrix proteins (KRMPs) are one of the most highly expressed matrix genes in pearl oysters. However, the expression pattern of KRMPs is limited and the functions of them still remain unknown. In this study, we isolated and identified six new members of lysine-rich matrix proteins, rich in lysine, glycine and tyrosine, and all of them are basic matrix proteins. Combined with four members of the KRMPs previously reported, all these proteins can be divided into three subclasses according to the results of phylogenetic analyses: KRMP1-3 belong to subclass KPI, KRMP4-5 belong to KPII, and KRMP6-10 belong to KPIII...
December 2, 2016: Marine Biotechnology
https://www.readbyqxmd.com/read/27906497/neuroembryology
#19
REVIEW
Diana Darnell, Scott F Gilbert
How is it that some cells become neurons? And how is it that neurons become organized in the spinal cord and brain to allow us to walk and talk, to see, recall events in our lives, feel pain, keep our balance, and think? The cells that are specified to form the brain and spinal cord are originally located on the outside surface of the embryo. They loop inward to form the neural tube in a process called neurulation. Structures that are nearby send signals to the posterior neural tube to form and pattern the spinal cord so that the dorsal side receives sensory input and the ventral side sends motor signals from neurons to muscles...
December 1, 2016: Wiley Interdisciplinary Reviews. Developmental Biology
https://www.readbyqxmd.com/read/27901505/first-isolation-of-miamiensis-avidus-ciliophora-scuticociliatida-associated-with-skin-ulcers-from-reared-pharaoh-cuttlefish-sepia-pharaonis
#20
Zhen Tao, Lu Liu, Xiangrui Chen, Suming Zhou, Guoliang Wang
In the winter of 2015, a skin ulcer disease outbreak occurred in a pharaoh cuttlefish Sepia pharaonis population cultured on a land-based fish farm in China. Affected cuttlefish (about 60% of the population) were characterized as having developed ulcers on the dorsal skin, fin fringe, or distal mantle tip. Masses of a ciliated protozoan were isolated from skin ulcers. The ciliate was identified as Miamiensis avidus based on the morphological features of living and protargol-impregnated specimens. This identification was also supported by high sequence similarity of the small subunit ribosomal RNA gene (100%) and another ribosomal DNA region (including the 2 internal transcribed spacers and the 5...
November 22, 2016: Diseases of Aquatic Organisms
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