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Plasma cell leukemia

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https://www.readbyqxmd.com/read/29784322/peanut-flour-aggregation-with-polyphenolic-extracts-derived-from-peanut-skin-inhibits-ige-binding-capacity-and-attenuates-rbl-2h3-cells-degranulation-via-mapk-signaling-pathway
#1
Rishipal R Bansode, Nathalie J Plundrich, Priscilla D Randolph, Mary Ann Lila, Leonard L Williams
This study investigates the anti-allergic properties of peanut skin polyphenols (PSP)-enriched peanut (PN) protein aggregates. PSP was blended with PN flour at concentrations of 5, 10, 15, 30, and 40% (w/w). Rat basophil leukemia cells (RBL-2H3) were sensitized with either anti-DNP-IgE or PN-allergic plasma followed by co-exposure to unmodified PN flour (control) or PSP-PN protein aggregates and Ca2+ ionophore, ionomycin. Immunoblotting and staining were performed to measure the IgE binding capacity of PSP-PN aggregates...
October 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29773994/biological-roles-of-aberrantly-expressed-glycosphingolipids-and-related-enzymes-in-human-cancer-development-and-progression
#2
REVIEW
Dinghao Zhuo, Xiang Li, Feng Guan
Glycosphingolipids (GSLs), which consist of a hydrophobic ceramide backbone and a hydrophilic carbohydrate residue, are an important type of glycolipid expressed in surface membranes of all animal cells. GSLs play essential roles in maintenance of plasma membrane stability, in regulation of numerous cellular processes (including adhesion, proliferation, apoptosis, and recognition), and in modulation of signal transduction pathways. GSLs have traditionally been classified as ganglio-series, lacto-series, or globo-series on the basis of their diverse types of oligosaccharide chains...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29773602/clofarabine-high-dose-cytarabine-and-liposomal-daunorubicin-in-pediatric-relapsed-refractory-acute-myeloid-leukemia-a-phase-ib-study
#3
Natasha K A van Eijkelenburg, Mareike Rasche, Essam Ghazaly, Michael N Dworzak, Thomas Klingebiel, Claudia Rossig, Guy Leverger, Jan Stary, Eveline S J M de Bont, Dana A Chitu, Yves Bertrand, Benoit Brethon, Brigitte Strahm, Inge M van der Sluis, Gertjan J L Kaspers, Dirk Reinhardt, C Michel Zwaan
Survival in children with relapsed/refractory acute myeloid leukemia is unsatisfactory. Treatment consists of one course fludarabine, cytarabine and liposomal daunorubicin, followed by fludarabine and cytarabine and stem-cell transplantation. Study ITCC 020/I-BFM 2009-02 aimed to identify the recommended phase 2 dose of clofarabine replacing fludarabine in the abovementioned combination regimen (3+3 design). Escalating dose-levels of clofarabine (20-40mg/m2/day x5days) and liposomal daunorubicin (40-0mg/m2/day) were administered with cytarabine (2g/m2/day x5days)...
May 17, 2018: Haematologica
https://www.readbyqxmd.com/read/29768231/enhanced-stability-of-l-asparaginase-by-its-bioconjugation-to-poly-styrene-co-maleic-acid-and-ecoflex-nanoparticles
#4
Jaleh Varshosaz, Negin Anvari
Acute lymphoblastic leukemia (ALL) is the white blood cell cancer in children. L-asparaginase (L-ASNase) is one of the first drugs used in ALL treatment. Anti-tumor activity of L-ASNase is not specific and indicates limited stability in different biological environments, in addition to its quick clearance from blood. The purpose of the present study was to achieve a new L-ASNase polymer bioconjugate to improve pharmacokinetic, increase half-life and stability of the enzyme. The conjugations were achieved by the cross-linking agent of 1-ethyl-3-(3- dimethylaminopropyl) carbodiimide (EDC) which activates the carboxylic acid groups of polymeric nanoparticles to create amide bond...
June 2018: IET Nanobiotechnology
https://www.readbyqxmd.com/read/29766723/structure-activity-relationships-of-nitro-substituted-aroylhydrazone-iron-chelators-with-antioxidant-and-antiproliferative-activities
#5
Katerina Hruskova, Eliska Potuckova, Lukas Opalka, Tereza Hergeselova, Pavlina Haskova, Petra Kovarikova, Tomas Simůnek, Katerina Vavrova
Aroylhydrazone iron chelators such as salicylaldehyde isonicotinoyl hydrazone (SIH) protect various cells against oxidative injury and/or display antineoplastic activities. Previous studies have shown that a nitro-substituted hydrazone, namely, NHAPI, displayed markedly improved plasma stability, selective antitumor activity, and moderate antioxidant properties. In this study, we prepared four series of novel NHAPI derivatives and explored their iron chelation activities, anti- or pro-oxidant effects, protection against model oxidative injury in the H9c2 cell line derived from rat embryonic cardiac myoblasts, cytotoxicities to the corresponding noncancerous H9c2 cells, and antiproliferative activities against the MCF-7 human breast adenocarcinoma and HL-60 human promyelocytic leukemia cell lines...
May 16, 2018: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/29752284/analysis-of-the-thrombotic-and-fibrinolytic-activities-of-tumor-cell-derived-extracellular-vesicles
#6
Ludovic Durrieu, Alamelu Bharadwaj, David M Waisman
Exosomes and microvesicles (MVs) are small extracellular vesicles secreted by tumor cells and are suggested to contribute to the thrombotic events that commonly occur in patients with advanced malignancies. Paradoxically, these vesicles have been reported to also possess fibrinolytic activity. To determine whether thrombotic or fibrinolytic activity is a predominant characteristic of these extracellular vesicles, we prepared exosomes and MVs from 2 breast cancer cell lines (MDA-MB-231 and MCF7), a lung cancer cell line (A549), and a leukemia cell line (NB4) and assayed their thrombotic and fibrinolytic activities...
May 22, 2018: Blood Advances
https://www.readbyqxmd.com/read/29740433/syk-inhibition-induces-apoptosis-in-germinal-center-like-b-cells-by-modulating-the-antiapoptotic-protein-myeloid-cell-leukemia-1-affecting-b-cell-activation-and-antibody-production
#7
Nathalie Roders, Florence Herr, Gorbatchev Ambroise, Olivier Thaunat, Alain Portier, Aimé Vazquez, Antoine Durrbach
B cells play a major role in the antibody-mediated rejection (AMR) of solid organ transplants, a major public health concern. The germinal center (GC) is involved in the generation of donor-specific antibody-producing plasma cells and memory B cells, which are often poorly controlled by current treatments. Myeloid cell leukemia-1 (Mcl-1), an antiapoptotic member of the B-cell lymphoma-2 family, is essential for maintenance of the GC reaction and B-cell differentiation. During chronic AMR (cAMR), tertiary lymphoid structures resembling GCs appear in the rejected organ, suggesting local lymphoid neogenesis...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29724147/characteristics-of-fibrinolytic-disorders-in-acute-promyelocytic-leukemia
#8
Ping Wang, Yingmei Zhang, Huiyuan Yang, Wenyi Hou, Bo Jin, Jinxiao Hou, Haitao Li, Hongli Zhao, Jin Zhou
OBJECTIVES: Catastrophic hemorrhage remains the main cause of acute promyelocytic leukemia (APL) treatment failure. This study was aimed to study the pathogenesis of coagulopathy in patients with APL. METHODS: Multiple procoagulant and profibrinolytic parameters in plasma and peripheral leukocytes from 24 patients with newly diagnosed APL accompanied by coagulopathy before and after arsenic trioxide (ATO) treatment were evaluated. RESULTS: Prior to the treatment, the patients had elevated D-dimer and decreased fibrinogen levels...
May 4, 2018: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/29723984/triorganotin-derivatives-induce-cell-death-effects-on-l1210-leukemia-cells-at-submicromolar-concentrations-independently-of-p-glycoprotein-expression
#9
Viera Bohacova, Mario Seres, Lucia Pavlikova, Szilvia Kontar, Martin Cagala, Pavel Bobal, Jan Otevrel, Julius Brtko, Zdena Sulova, Albert Breier
The acceleration of drug efflux activity realized by plasma membrane transporters in neoplastic cells, particularly by P-glycoprotein (P-gp, ABCB1 member of the ABC transporter family), represents a frequently observed molecular cause of multidrug resistance (MDR). This multiple resistance represents a real obstacle in the effective chemotherapy of neoplastic diseases. Therefore, identifying cytotoxic substances that are also effective in P-gp overexpressing cells may be useful for the rational design of substances for the treatment of malignancies with developed MDR...
May 1, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29712773/chronic-lymphocytic-leukemia-derived-il-10-suppresses-antitumor-immunity
#10
Sara S Alhakeem, Mary K McKenna, Karine Z Oben, Sunil K Noothi, Jacqueline R Rivas, Gerhard C Hildebrandt, Roger A Fleischman, Vivek M Rangnekar, Natarajan Muthusamy, Subbarao Bondada
Chronic lymphocytic leukemia (CLL) patients progressively develop an immunosuppressive state. CLL patients have more plasma IL-10, an anti-inflammatory cytokine, than healthy controls. In vitro human CLL cells produce IL-10 in response to BCR cross-linking. We used the transgenic Eμ-T cell leukemia oncogene-1 ( TCL1 ) mouse CLL model to study the role of IL-10 in CLL associated immunosuppression. Eμ-TCL mice spontaneously develop CLL because of a B cell-specific expression of the oncogene, TCL1. Eμ- TCL1 mouse CLL cells constitutively produce IL-10, which is further enhanced by BCR cross-linking, CLL-derived IL-10 did not directly affect survival of murine or human CLL cells in vitro...
April 30, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29699997/plasma-cell-leukemia-presenting-as-lymphocytosis
#11
Shaoying Li, Jie Xu
No abstract text is available yet for this article.
April 26, 2018: Blood
https://www.readbyqxmd.com/read/29692263/liposomes-co-encapsulating-anticancer-drugs-in-synergistic-ratios-as-an-approach-to-promote-increased-efficacy-and-greater-safety
#12
Marina Santiago Franco, Monica Cristina Oliveira
The era of chemotherapy began in the 1940s, but it was in the 1960s that it was seen as really promising, when the first patients with childhood acute lymphoblastic leukemia were cured with combination chemotherapy. Today, it is known that due to resistance to single agents, combination therapy is essential for tumor eradication and cure. In the last decade, studies have shown that anticancer drug combinations can act synergistically or antagonistically against tumor cells in vitro, depending on the ratios of the individual drugs forming the combination...
April 20, 2018: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/29670635/chronic-lymphocytic-leukemia-b-cell-normal-cellular-counterpart-clues-from-a-functional-perspective
#13
REVIEW
Walaa Darwiche, Brigitte Gubler, Jean-Pierre Marolleau, Hussein Ghamlouch
Chronic lymphocytic leukemia (CLL) is characterized by the clonal expansion of small mature-looking CD19+ CD23+ CD5+ B-cells that accumulate in the blood, bone marrow, and lymphoid organs. To date, no consensus has been reached concerning the normal cellular counterpart of CLL B-cells and several B-cell types have been proposed. CLL B-cells have remarkable phenotypic and gene expression profile homogeneity. In recent years, the molecular and cellular biology of CLL has been enriched by seminal insights that are leading to a better understanding of the natural history of the disease...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29667176/pre-diagnostic-blood-immune-markers-incidence-and-progression-of-b-cell-lymphoma-and-multiple-myeloma-univariate-and-functionally-informed-multivariate-analyses
#14
Roel Vermeulen, Fatemeh Saberi Hosnijeh, Barbara Bodinier, Lützen Portengen, Benoît Liquet, Javiera Garrido-Manriquez, Henk Lokhorst, Ingvar A Bergdahl, Soterios A Kyrtopoulos, Ann-Sofie Johansson, Panagiotis Georgiadis, Beatrice Melin, Domenico Palli, Vittorio Krogh, Salvatore Panico, Carlotta Sacerdote, Rosario Tumino, Paolo Vineis, Raphaële Castagné, Marc Chadeau-Hyam
Recent prospective studies have shown that dysregulation of the immune system may precede the development of B-cell lymphomas (BCL) in immunocompetent individuals. However, to date, the studies were restricted to a few immune markers, which were considered separately. Using a nested case-control study within two European prospective cohorts, we measured plasma levels of 28 immune markers in samples collected a median of 6 years prior to diagnosis (range, 2.01-15.97) in 268 incident cases of BCL (including multiple myeloma) and matched controls...
April 18, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29664669/primary-nonsecretory-plasma-cell-leukemia-with-multiple-chromosomal-abnormalities-a-case-report
#15
Satoshi Nakayama, Tomohiro Oda, Shinya Minabe, Yukiharu Bamba, Haruko Ukawa, Rika Sato, Masaki Kawabata, Toshikatsu Horiuchi, Junichi Watanabe, Fumihiko Kimura, Hideyuki Shimazaki, Sho Ogata, Kuniaki Nakanishi
Primary nonsecretory plasma cell leukemia (PCL) is an extremely rare type of multiple myeloma. Here, we report a case of nonsecretory PCL with no previous history of multiple myeloma. The case exhibited extremely low levels of serum immunoglobulin and light chain, no detectable serum M-protein or free light chain restriction, no urine BJP, and no cytoplasmic light chain expression in flow cytometry. In fluorescence in situ hybridization, tumor cells exhibited fusion genes for IgH/BCL1 and IgH/cMyc, disappearance of the p53 signal, and a split signal for IgK(2p11), but no split signal for IgL (22q11)...
January 1, 2018: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/29659938/mutual-risks-of-cutaneous-melanoma-and-specific-lymphoid-neoplasms-second-cancer-occurrence-and-survival
#16
Megan M Herr, Sara J Schonfeld, Graça M Dores, Diana R Withrow, Margaret A Tucker, Rochelle E Curtis, Lindsay M Morton
Background: It is unclear whether the established association between cutaneous melanoma (CM) and lymphoid neoplasms (LNs) differs across LN subtypes. This study quantifies risk for developing CM after specific LNs and, conversely, for developing specific LNs after CM, as well as assessing clinical impact. Methods: We identified a cohort of Caucasian adults (age 20-83 years) initially diagnosed with CM or LN, as reported to 17 US population-based cancer registries, 2000-2014...
April 6, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29622867/autologous-stem-cell-transplantation-for-multiple-myeloma-single-centre-experience-from-north-india
#17
Pankaj Malhotra, Uday Yanamandra, Alka Khadwal, Gaurav Prakash, Deepesh Lad, Arjun D Law, Harshit Khurana, M U S Sachdeva, Praveen Bose, Reena Das, Neelam Varma, Subhash Varma
Autologous stem cell transplantation (ASCT) is considered as standard of care in patients with multiple myeloma (MM) patients aged 65 years or younger. We analyzed data of 94 patients of plasma cell dyscrasias who underwent 95 autologous transplants at our institute from October 2003 to Aug 2016. Other than 76 patients of newly diagnosed multiple myeloma, we also transplanted two patients of POEMS syndrome, two patients of plasma cell leukemia, three patients of concurrent light chain deposition disease, three patients of multifocal plasmacytomas, and eight patients of isolated light chain myeloma...
April 2018: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29615816/distinct-metabolic-features-differentiating-flt3-itd-aml-from-flt3-wt-childhood-acute-myeloid-leukemia
#18
Bradley Stockard, Timothy Garrett, Joy Guingab-Cagmat, Soheil Meshinchi, Jatinder Lamba
Acute myeloid leukemia (AML) is a heterogeneous disease with dismal response warranting the need for enhancing our understanding of AML biology. One prognostic feature associated with inferior response is the presence of activating mutations in FMS-like tyrosine kinase 3 (FLT3) especially occurrence of internal tandem duplication (FLT3-ITD). Although poorly understood, differential metabolic and signaling pathways associated with FLT3-ITD might contribute towards the observed poor prognosis. We performed a non-targeted global metabolic profiling of matched cell and plasma samples obtained at diagnosis to establish metabolic differences within FLT3-ITD and FLT3-WT pediatric AML...
April 3, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29615003/role-of-cytarabine-in-paediatric-acute-promyelocytic-leukemia-treated-with-the-combination-of-all-trans-retinoic-acid-and-arsenic-trioxide-a-randomized-controlled-trial
#19
Li Zhang, Yao Zou, Yumei Chen, Ye Guo, Wenyu Yang, Xiaojuan Chen, Shuchun Wang, Xiaoming Liu, Min Ruan, Jiayuan Zhang, Tianfeng Liu, Fang Liu, Benquan Qi, Wenbin An, Yuanyuan Ren, Lixian Chang, Xiaofan Zhu
BACKGROUND: The combination of all-trans-retinoic acid (ATRA) and arsenic trioxide (ATO) has been suggested to be safe and effective for adult acute promyelocytic leukaemia (APL). As of 2010, the role of cytarabine (Ara-C) in APL was controversial. The aim of this study was to test the efficacy and safety of ATRA and ATO in paediatric APL patients. Also, we assessed whether Ara-C could be omitted in ATO and ATRA- based trials in children. METHODS: We performed a randomized controlled trial in paediatric APL patients (≤14 years of age) in our hospital from May 2010 to December 2016...
April 3, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29608741/critically-elevated-potassium-in-a-55-year-old-female-with-chronic-lymphocytic-leukemia
#20
Jing Cao, Amy B Karger
Hyperkalemia in specimens from patients with chronic lymphocytic leukemia (CLL) may be due to tumor lysis syndrome (TLS) or specimen processing. This report describes a 55-year-old Caucasian woman with CLL who presented to an outside hospital with hyperkalemia and was transferred to a second hospital. Initial evaluation on the core laboratory chemistry analyzer (the VITROS 5600) and the ABL90 FLEX blood gas analyzer showed markedly elevated levels of potassium (K+). TLS was subsequently diagnosed, and dialysis was initiated...
March 28, 2018: Laboratory Medicine
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