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https://www.readbyqxmd.com/read/27913893/scleroderma-areolatum-ectomycorrhiza-on-fagus-sylvatica-l
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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/27906497/neuroembryology
#9
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/27901503/in-situ-hybridization-and-histopathological-observations-during-ostreid-herpesvirus-1-associated-mortalities-in-pacific-oysters-crassostrea-gigas
#10
Rudolfo Bueno, Matthew Perrott, Magda Dunowska, Cara Brosnahan, Colin Johnston
In a previous longitudinal study conducted during a mortality investigation associated with ostreid herpesvirus-1 (OsHV-1) microvariant in New Zealand Pacific oysters in 2010-2011, temporality of OsHV-1 nucleic acid detection by real-time PCR assay and onset of Pacific oyster mortality was observed. The present study further elucidated the role of OsHV-1 using an in situ hybridization (ISH) assay on sections of Pacific oysters collected from the same longitudinal study. Hybridization of the labelled probe with the target region of the OsHV-1 genome in infected cells was detected colorimetrically using nitro blue tetrazolium (NBT)...
November 22, 2016: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/27901501/identification-and-characterization-of-peptidases-secreted-by-quahog-parasite-unknown-qpx-the-protistan-parasite-of-hard-clams
#11
Ewelina Rubin, Glenn T Werneburg, Emmanuelle Pales Espinosa, David G Thanassi, Bassem Allam
Quahog parasite unknown (QPX) is a protistan parasite capable of causing deadly infections in the hard clam Mercenaria mercenaria, one of the most valuable shellfish species in the USA. QPX is an extracellular parasite found mostly in the connective tissue of clam mantle and, in more severe cases of infection, other clam organs. Histopathologic examinations revealed that QPX cells within clam tissues are typically surrounded by hollow areas that have been hypothesized to be, at least in part, a result of extracellular digestion of clam proteins by the parasite...
November 22, 2016: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/27900638/bendamustine-plus-rituximab-for-previously-untreated-patients-with-indolent-b-cell-non-hodgkin-lymphoma-or-mantle-cell-lymphoma-a-multicenter-phase-ii-clinical-trial-in-japan
#12
Michinori Ogura, Kenichi Ishizawa, Dai Maruyama, Naokuni Uike, Kiyoshi Ando, Koji Izutsu, Yasuhito Terui, Yoshitaka Imaizumi, Kunihiro Tsukasaki, Kenshi Suzuki, Tohru Izumi, Kensuke Usuki, Tomohiro Kinoshita, Masafumi Taniwaki, Nobuhiko Uoshima, Junji Suzumiya, Mitsutoshi Kurosawa, Hirokazu Nagai, Toshiki Uchida, Noriko Fukuhara, Ilseung Choi, Ken Ohmachi, Go Yamamoto, Kensei Tobinai
A Phase II, multicenter clinical trial of bendamustine plus rituximab (BR) regimen was conducted in previously untreated patients with high-tumor-burden indolent B-cell non-Hodgkin lymphoma (B-NHL) and previously untreated elderly patients with mantle cell lymphoma (MCL) in Japan. Bendamustine 90 mg/m(2)/day on days 1 and 2, as well as rituximab 375 mg/m(2) on day 1 were administered intravenously up to six cycles. The primary endpoint was the complete response (CR) rate as assessed by the International Workshop Response Criteria (1999)...
November 29, 2016: International Journal of Hematology
https://www.readbyqxmd.com/read/27894215/the-molecular-pathogenesis-of-mantle-cell-lymphoma
#13
Niklas Vogt, Beiying Dai, Tabea Erdmann, Wolfgang E Berdel, Georg Lenz
Mantle cell lymphoma (MCL) is characterized by the translocation t(11;14) leading to constitutive cyclin D1 overexpression. However, overexpression of cyclin D1 alone is insufficient to cause malignant transformation. Secondary genetic alterations and deregulated signaling pathways involved in DNA damage response, cell proliferation, and apoptosis are indispensable for MCL lymphomagenesis. Recent studies investigating the biology of MCL have revealed crucial importance of B-cell receptor (BCR), nuclear factor-kappa B (NF-κB), phosphoinositide 3-kinase (PI3K), and BCL2 signaling for the molecular pathogenesis of MCL...
November 28, 2016: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/27892666/mantle-cell-lymphoma-a-north-indian-tertiary-care-centre-experience
#14
Chandan Krushna Das, Ajay Gogia, Lalit Kumar, Atul Sharma, Mehar Chand Sharma, Saumya Ranjan Mallick
Background: Mantle cell lymphoma (MCL) is an aggressive non-Hodgkin’s lymphoma, with a pathognomonic chromosomal translocation t (11;14). Prognosis is uniformly dismal but there is a paucity of information on MCL from India. Materials and methods: We retrospectively analysed clinicopathological information on all treated patients with MCL at our centre. STATA 14.0 was used for analysis. Survival was assessed by Kaplan-Meier analysis and the Cox’s proportional hazards method. Statistical significance was defined as a P value of < 0...
January 10, 2016: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/27888885/mantle-cell-lymphoma-is-it-time-for-a-new-treatment-paradigm
#15
REVIEW
Andre Goy
Mantle cell lymphoma is a relatively rare subtype of lymphoma with a great deal of heterogeneity, both clinically and biologically. Since its recognition as a separate entity in the early 1990s though, consistent efforts have led to a significant improvement of overall survival, from a median overall survival of 2.5 years initially to 5-7 years currently. This decades-long and stepwise progress, summarized in the article, definitely accelerated recently, shedding light on a changing paradigm.
December 2016: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/27873064/development-of-diffuse-large-b-cell-lymphoma-from-follicular-lymphoma-of-the-duodenum-changes-in-endoscopic-findings-during-a-6-year-follow-up
#16
Hiroyuki Kitabatake, Tadanobu Nagaya, Naoki Tanaka, Hiroyoshi Ota, Kenji Sano, Naoko Asano, Tomoaki Suga, Yoshiyuki Nakamura, Taiji Akamatsu, Eiji Tanaka
A 71-year-old Japanese man was diagnosed as having stage I primary follicular lymphoma (FL) of the duodenum according to Lugano International Conference Classification and began receiving annual checkups. Endoscopic examination disclosed white villi swelling with depressed red mucosal lesions. Biopsy specimens from the area of white villi exhibited histopathological features that met the diagnostic criteria for low-grade FL. The depressed red lesions gradually enlarged over six years of follow-up. A biopsy of the white villi swelling revealed distinct well-circumscribed follicles with attenuated mantles in the lamina propria that were positive for CD20, bcl-2, and CD10...
November 21, 2016: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/27872769/mantle-cell-hyperplasia-of-peripheral-lymph-nodes-as-initial-manifestation-of-sickle-cell-disease
#17
Ahmad Monabbati, Sadat Noori, Akbar Safaei, Mani Ramzi, Seyedsajjad Eghbali, Ali Adib
Sickle cell disease (SCD) is a well known hemoglobinopathy with usual manifestations including anemia, hyperbilirubinemia, and vasoocclusive complications. Despite presence of mild splenomegaly in early phase of the disease, lymphadenopathy is not an often finding of SCD. We introduce an undiagnosed case of SCD who presented in third decade of his life with multiple cervical lymphadenopathies and mild splenomegaly persistent for about five years. Histopathologic examination of the resected lymph nodes showed expansion of the mantle cell layers of secondary follicles as well as several monomorphic mantle cell nodules...
2016: Case Reports in Hematology
https://www.readbyqxmd.com/read/27871901/the-immunomodulation-of-a-maternal-translationally-controlled-tumor-protein-tctp-in-zhikong-scallop-chlamys-farreri
#18
Zhihao Jia, Mengqiang Wang, Feng Yue, Xiudan Wang, Lingling Wang, Linsheng Song
Translationally controlled tumor protein (TCTP) is initially described as a highly conserved protein implicated in cell growth, and it is subsequently confirmed to play important roles in mediating the innate immune response, especially the inflammatory. In the present study, the full-length cDNA sequence of a TCTP from Zhikong scallop Chlamys farreri (designed as CfTCTP) was cloned by rapid amplification of cDNA ends (RACE) technique based on the expression sequence tag (EST) analysis. It was of 1230 bp with an open reading frame (ORF) of 543 bp encoding a polypeptide of 180 amino acids...
November 18, 2016: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/27864294/b-cell-receptor-driven-malt1-activity-regulates-myc-signaling-in-mantle-cell-lymphoma
#19
Beiying Dai, Michael Grau, Mélanie Juilland, Pavel Klener, Elisabeth Höring, Jan Molinsky, Gisela Schimmack, Sietse M Aukema, Eva Hoster, Niklas Vogt, Annette M Staiger, Tabea Erdmann, Wendan Xu, Kristian Erdmann, Nicole Dzyuba, Hannelore Madle, Wolfgang E Berdel, Marek Trneny, Martin Dreyling, Korinna Jöhrens, Peter Lenz, Andreas Rosenwald, Reiner Siebert, Alexandar Tzankov, Wolfram Klapper, Ioannis Anagnostopoulos, Daniel Krappmann, German Ott, Margot Thome, Georg Lenz
Mantle cell lymphoma (MCL) is a mature B-cell lymphoma characterized by poor clinical outcome. Recent studies revealed the importance of B-cell receptor (BCR) signaling in maintaining MCL survival. However, it remains unclear which role MALT1, an essential component of the CARD11-BCL10-MALT1 (CBM) complex that links BCR signaling to the nuclear factor kappa-B (NF-κB) pathway, plays in the biology of MCL. Here we show that a subset of MCLs is addicted to MALT1, as its inhibition by either RNA or pharmacologic interference induced cytotoxicity both in vitro and in vivo...
November 18, 2016: Blood
https://www.readbyqxmd.com/read/27863528/oligodendrocyte-development-in-the-embryonic-tuberal-hypothalamus-and-the-influence-of-ascl1
#20
Candace M Marsters, Jessica M Rosin, Hayley F Thornton, Shaghayegh Aslanpour, Natasha Klenin, Grey Wilkinson, Carol Schuurmans, Quentin J Pittman, Deborah M Kurrasch
BACKGROUND: Although the vast majority of cells in our brains are glia, we are only beginning to understand programs governing their development, especially within the embryonic hypothalamus. In mice, gliogenesis is a protracted process that begins during embryonic stages and continues into the early postnatal period, with glial progenitors first producing oligodendrocyte precursor cells, which then differentiate into pro-oligodendrocytes, pro-myelinating oligodendrocytes, and finally, mature myelinating oligodendrocytes...
November 18, 2016: Neural Development
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