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https://www.readbyqxmd.com/read/29470863/the-evolution-of-mollusc-shells
#1
REVIEW
Carmel McDougall, Bernard M Degnan
Molluscan shells are externally fabricated by specialized epithelial cells on the dorsal mantle. Although a conserved set of regulatory genes appears to underlie specification of mantle progenitor cells, the genes that contribute to the formation of the mature shell are incredibly diverse. Recent comparative analyses of mantle transcriptomes and shell proteomes of gastropods and bivalves are consistent with shell diversity being underpinned by a rapidly evolving mantle secretome (suite of genes expressed in the mantle that encode secreted proteins) that is the product of (a) high rates of gene co-option into and loss from the mantle gene regulatory network, and (b) the rapid evolution of coding sequences, particular those encoding repetitive low complexity domains...
February 22, 2018: Wiley Interdisciplinary Reviews. Developmental Biology
https://www.readbyqxmd.com/read/29455639/role-of-bruton-s-tyrosine-kinase-in-b-cells-and-malignancies
#2
REVIEW
Simar Pal Singh, Floris Dammeijer, Rudi W Hendriks
Bruton's tyrosine kinase (BTK) is a non-receptor kinase that plays a crucial role in oncogenic signaling that is critical for proliferation and survival of leukemic cells in many B cell malignancies. BTK was initially shown to be defective in the primary immunodeficiency X-linked agammaglobulinemia (XLA) and is essential both for B cell development and function of mature B cells. Shortly after its discovery, BTK was placed in the signal transduction pathway downstream of the B cell antigen receptor (BCR). More recently, small-molecule inhibitors of this kinase have shown excellent anti-tumor activity, first in animal models and subsequently in clinical studies...
February 19, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29452672/what-is-the-optimal-initial-management-of-the-older-mcl-patient
#3
REVIEW
Johanna C Kluin-Nelemans, Jeanette K Doorduijn
The current first line treatment of a patient with mantle cell lymphoma (MCL) is often considered as too toxic for elderly patients. The elderly, however, comprise the majority of the patients with MCL. The results of several recent studies have shown that the outcome of this patient group is not as dismal as in the past. Indeed, if patients are not considered frail, and can tolerate rituximab and moderate intensive chemotherapy such as R-CHOP followed by rituximab maintenance or R-bendamustine, a 4-year overall survival of >80% can be achieved...
March 2018: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/29452671/what-is-the-optimal-initial-management-of-the-younger-mantle-cell-lymphoma-patient
#4
REVIEW
Rory McCulloch, Simon Rule
The last 20 years has seen considerable advances made in the management of younger patients with mantle cell lymphoma. The use of high dose cytarabine and rituximab in induction therapy, usually followed by autologous stem cell transplant consolidation, has become established practice and the median overall survival now exceeds 10 years. However, this high intensity upfront approach is not necessarily appropriate for all newly diagnosed patients. A minority exhibit disease that behaves in an indolent fashion with no proven benefit from early intervention, and at the opposite end of the spectrum a high-risk group exists who do poorly with conventional treatment...
March 2018: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/29452660/novel-therapies-for-relapsed-refractory-mantle-cell-lymphoma
#5
REVIEW
Puja C Arora, Craig A Portell
Mantle cell lymphoma is an aggressive Non-Hodgkin's lymphoma that is considered incurable with standard therapies. Most patients treated with frontline immunochemotherapy relapse within a few years and do not usually respond to salvage chemotherapy. Persistent activation of the B-cell receptor pathway is critical to the pathogenesis of mantle cell lymphoma. Inhibition of Bruton's tyrosine kinase, an essential B-cell receptor pathway component with ibrutinib has shown clinical activity and has changed how MCL is treated in the relapsed/refractory setting...
March 2018: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/29449436/mixed-species-rnaseq-analysis-of-human-lymphoma-cells-adhering-to-mouse-stromal-cells-identifies-a-core-gene-set-that-is-also-differentially-expressed-in-the-lymph-node-microenvironment-of-mantle-cell-lymphoma-and-chronic-lymphocytic-leukemia-patients
#6
Gustav Arvidsson, Johan Henriksson, Birgitta Sander, Anthony P Wright
A subset of hematological cancer patients is refractory to treatment or suffers relapse, due in part to minimal residual disease, whereby some cancer cells survive treatment. Cell-adhesion mediated drug resistance is an important mechanism, whereby cancer cells receive survival signals via interaction with e.g. stromal cells. No genome-wide studies of in vitro systems have yet been performed to compare gene expression in different cell subsets within a co-culture and cells grown separately. Using RNA sequencing and species-specific read mapping, we compared transcript levels in human Jeko-1 mantle cell lymphoma cells stably adhered to mouse MS-5 stromal cells or in suspension within a co-culture or cultured separately as well as in stromal cells in co-culture or in separate culture...
February 15, 2018: Haematologica
https://www.readbyqxmd.com/read/29444231/phase-iia-study-of-the-cd19-antibody-mor208-in-patients-with-relapsed-or-refractory-b-cell-non-hodgkin-s-lymphoma
#7
W Jurczak, P L Zinzani, G Gaidano, A Goy, M Provencio, Z Nagy, T Robak, K Maddocks, C Buske, S Ambarkhane, M Winderlich, M Dirnberger-Hertweck, R Korolkiewicz, K A Blum
Background: This two-stage, phase IIa study (ClinicalTrials.gov: NCT01685008) investigated the antitumor activity and safety of MOR208, an Fc-engineered, humanized, CD19 antibody, in patients with relapsed or refractory (R-R) B-cell non-Hodgkin's lymphoma (NHL). CD19 is broadly expressed across the B-lymphocyte lineage, including in B-cell malignancies, but not by hematological stem cells. Patients and methods: Patients aged ≥18 years, with R-R NHL progressing after ≥1 prior rituximab containing regimen were enrolled into subtype-specific cohorts: diffuse large B-cell lymphoma (DLBCL), follicular lymphoma (FL), other indolent (i)NHL and mantle cell lymphoma (MCL)...
February 9, 2018: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29442041/the-interaction-between-atrip-and-mcm-complex-is-essential-for-atrip-chromatin-loading-and-its-phosphorylation-in-mantle-cell-lymphoma-cells
#8
Yuling Nie, Tao Lang
AIM: The ATR-interacting protein (ATRIP) is responsible for the recognition of DNA damage-induced structure and regulation of cellular responses to DNA damage and replication stress. The purpose of our study was to identify the underlying mechanism with respect to chromatin loading and phosphorylation of ATRIP in mantle cell lymphoma (MCL). METHODS: JeKo cells were used in our study. Differently tagged ATRIP (Myc-, hemaglutinin (HA) or Flag) and minichromosome maintenance (MCM) complex (MCM2, MCM3, MCM5, and MCM6) were transfected into 293T cells...
November 1, 2017: Die Pharmazie
https://www.readbyqxmd.com/read/29441438/combining-ibrutinib-with-chk1-inhibitors-synergistically-targets-mantle-cell-lymphoma-cell-lines
#9
Valentina Restelli, Monica Lupi, Micaela Vagni, Rosaria Chilà, Francesco Bertoni, Giovanna Damia, Laura Carrassa
BACKGROUND: Mantle cell lymphoma (MCL) is an aggressive B cell lymphoma with an unfavorable clinical course. Besides deregulation of the cell cycle, B cell receptor (BCR) signaling, essential for MCL proliferation and survival, is also often deregulated due to constitutive activation of Bruton's tyrosine kinase (BTK). The BTK inhibitor ibrutinib has been approved as a therapy for refractory MCL, and while it shows some clinical activity, patients frequently develop primary or secondary ibrutinib resistance and have very poor outcomes after relapsing following ibrutinib treatment...
February 13, 2018: Targeted Oncology
https://www.readbyqxmd.com/read/29434133/mantle-cell-lymphoma-with-a-single-protruding-lesion-as-the-cause-of-intussusception
#10
Katsunori Matsueda, Tatsuya Toyokawa, Masahiro Sakata, Isao Fujita, Jouichiro Horii
Mantle cell lymphoma (MCL) is a malignant lymphoma of the gastrointestinal tract that mostly presents as multiple lymphomatous polyposis (MLP); however, MLP with intussusception is rarely reported in MCL. Furthermore, a single protruding lesion with intussusception has never been reported in primary small intestinal MCL. A 70-year-old man presented with pain in the right lower abdomen. Computed tomography and colonoscopy revealed ileocecal intussusception. Ileocecal resection was performed. Histology and immunohistochemistry of the resected specimen showed MCL with a single protruding lesion...
February 9, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29419676/gastrointestinal-involvement-by-mantle-cell-lymphoma-identified-by-biopsy-performed-during-endoscopy-a-case-report
#11
Qin-Fang Zheng, Jin-Ying Li, Liu Qin, Hai-Ming Wei, Lian-Ying Cai, Bing Nong
RATIONALE: Primary gastrointestinal mantle cell lymphoma is rare, and histopathological examination and specific immunohistochemical staining are still the gold standard for diagnosis. Therefore, it is necessary to find a new way to improve positive biopsy rates. PATIENT CONCERNS: A 58-year-old man was admitted to our hospital with epigastric pain, abdominal distension, nausea, and melena. Endoscopy identified submucosal neoplasms and diffuse gastrointestinal tract involvement including the esophagus...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29415938/-acquisition-of-igh-ccnd1-translocation-during-the-natural-disease-course-in-a-patient-with-chronic-lymphocytic-leukemia
#12
Kosuke Arai, Fumisato Takagi, Saeko Sonokawa, Sayaka Suzuki, Eisaku Ito, Kengo Takeuchi, Takashi Kumagai
A 69-year-old man visited a doctor because of systemic lymphadenopathy. Peripheral blood examination revealed leukocytosis, anemia, and decreased platelet count (WBC, 103,060/µl; lymph, 92.2%; Hb, 8.9 g/dl; and Plt, 4.1×10 4 /µl). Bone marrow biopsy revealed that approximately 70% of nucleated cells were small, mature lymphoid cells with positive immunostaining for CD5, CD20, and CD23. He was diagnosed with chronic lymphocytic leukemia (CLL). The IgH/CCND1 translocation and ATM locus loss in 20% and 95% peripheral cells, respectively, were detected by fluorescence in situ hybridization...
2018: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/29415598/mantle-cell-lymphoma-with-t-11-22-q13-q11-2-an-indolent-clinical-variant
#13
William D Marrero, Alexis Cruz-Chacón, Fernando Cabanillas
No abstract text is available yet for this article.
February 7, 2018: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29407615/dual-roles-of-cystatin-a-in-the-immune-defense-of-the-pacific-oyster-crassostrea-gigas
#14
Fan Mao, Yue Lin, Zhiying He, Jun Li, Zhiming Xiang, Yang Zhang, Ziniu Yu
Cystatins are a large family of the proteins that function as reversible and tight-binding inhibitors of cysteine proteases, which consequently regulate multiple physiological activities including apoptosis and innate immunity. In the present study, we cloned a gene from Crassostrea gigas encoding cystatin, which is related to cystatin A superfamily. CgCytA was comprised of a cystatin-like domain with two conserved glycine residues (GG) near the N-terminal and a highly conserved glutamine-valine-glycine (Q-X-V-X-G) motif in the form of QVVAG loop...
January 30, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29396093/can-we-improve-on-ibrutinib-in-mantle-cell-lymphoma
#15
Simon Rule
No abstract text is available yet for this article.
January 29, 2018: Lancet Haematology
https://www.readbyqxmd.com/read/29396091/ibrutinib-lenalidomide-and-rituximab-in-relapsed-or-refractory-mantle-cell-lymphoma-philemon-a-multicentre-open-label-single-arm-phase-2-trial
#16
Mats Jerkeman, Christian Winther Eskelund, Martin Hutchings, Riikka Räty, Karin Fahl Wader, Anna Laurell, Helle Toldbod, Lone Bredo Pedersen, Carsten Utoft Niemann, Christina Dahl, Hanne Kuitunen, Christian H Geisler, Kirsten Grønbæk, Arne Kolstad
BACKGROUND: Regimens based on ibrutinib alone and lenalidomide and rituximab in combination show high activity in patients with relapsed or refractory mantle cell lymphoma. We hypothesised that the combination of all three drugs would improve efficacy compared with previously published data on either regimen alone. METHODS: In this multicentre, open-label, single-arm, phase 2 trial, we enrolled patients aged 18 years or older with relapsed or refractory mantle cell lymphoma who had previously been treated with at least one rituximab-containing regimen, an Eastern Cooperative Oncology Group performance status score of 0-3, and at least one site of measurable disease, and who met criteria for several laboratory-assessed parameters...
January 29, 2018: Lancet Haematology
https://www.readbyqxmd.com/read/29394794/-a-resected-case-of-castleman-s-disease-that-was-difficult-to-diagnose-preoperatively
#17
Kenji Sakai, Marie Toudou, Yuuhi Shimura, Reyugo Teranishi, Shouhei Takaichi, Chihyon Son, Tomofumi Ohhashi, Hideki Osawa, Hiroshi Noro, Keigo Yasumasa, Takafumi Hirao, Teruo Iwasaki, Yoshikazu Morimoto, Nobutaka Hatanaka, Yoshio Yamasaki
A 70-year-old man was referred to our hospital and admitted after abdominal computed tomography(CT)examination revealed a tumor in the retroperitoneum. The specific blood test findings were poor, and surveillance CT demonstrated a wellcircumscribed, enhanced mass measuring 40mm with calcification behind the horizontal portion of the duodenum. The tumor presented with a slightly high signal in low signal, T2 in T1, and it showed a diffusion decrease in DWI; the simple abdominal MRIrevealed heterogeneous accumulation of SUVmax 3...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29392403/promising-efficacy-of-novel-btk-inhibitor-ac0010-in-mantle-cell-lymphoma
#18
Xiao Yan, Yile Zhou, Shujuan Huang, Xia Li, Mengxia Yu, Jiansong Huang, Jinghan Wang, Zhixin Ma, Jingrui Jin, Jiajia Pan, Chenying Li, Fenglin Li, Jie Jin
PURPOSE: We researched into the effect and mechanism of AC0010, a novel BTK inhibitor, in MCL, and compared its efficacy and safety with Ibrutinib to develop a preclinical study for the future therapy of MCL. METHODS: MTS assay was used to detect the growth inhibition caused by AC0010 and Ibrutinib, respectively, in MCL cell lines (Jeko-1 and JVM-2), primary MCL cells, and normal peripheral lymphocytes. Apoptosis of Jeko-1 and JVM-2 after exposure into AC0010 and Ibrutinib was conducted by flow cytometry; the expression of apoptosis-related proteins was checked by Western blot...
February 1, 2018: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29390704/simultaneous-high-pressure-high-temperature-elastic-velocity-measurement-system-up-to-27-gpa-and-1873-k-using-ultrasonic-and-synchrotron-x-ray-techniques
#19
Yuji Higo, Tetsuo Irifune, Ken-Ichi Funakoshi
A new pulse-echo interferometry system has been developed for measurements of sound velocity at simultaneous high pressure and temperature corresponding to those of the Earth's lower mantle, using synchrotron X-ray techniques at SPring-8. A combination of a low-noise high-frequency amplifier and a high-speed solid-state relay system allowed us to clearly detect the ultrasonic echoes of a small sample (<1.0 mm in diameter and length) in multi-anvil apparatus. A new high-pressure cell has also been introduced for precise measurement of the length of the tiny sample by X-ray radiography imaging under very high pressure and temperature...
January 2018: Review of Scientific Instruments
https://www.readbyqxmd.com/read/29390561/gastrointestinal-malignant-neoplasms-disguised-as-pneumatosis-cystoids-intestinalis-a-case-report-and-literature-review
#20
Tingting Liu, Shaoheng Zhang, Hua Mao
RATIONALE: Pneumatosis cystoids intestinalis (PCI) is a rare disease in which gas develops in the mucosa or submucosa of the digestive tract. The etiology and pathogenesis of this disease, at present, remain unclear, and gastrointestinal malignant neoplasms may be a potentially important cause. Herein, we report a case of mantle cell lymphoma presenting as PCI as well as present a literature review of cases of suspect PCI that was definitively diagnosed as gastrointestinal neoplasms. In doing so, we highlighted cases of neoplastic pathogenesis that present as PCI...
December 2017: Medicine (Baltimore)
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