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B-cell lymphoma

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https://www.readbyqxmd.com/read/28449294/analysis-of-the-prognostic-value-of-bmi-and-the-difference-in-its-impact-according-to-age-and-sex-in-dlbcl-patients
#1
Yusuke Kanemasa, Tatsu Shimoyama, Yuki Sasaki, Miho Tamura, Takeshi Sawada, Yasushi Omuro, Tsunekazu Hishima, Yoshiharu Maeda
Studies that have evaluated the prognostic value of body mass index (BMI) in patients with diffuse large B-cell lymphoma have recently been reported. However, the impact of BMI on survival outcomes remains controversial. We retrospectively analyzed the data of 406 diffuse large B-cell lymphoma patients treated with R-CHOP or R-CHOP-like regimens. The number (%) of patients that were categorized into 1 of 4 groups according to BMI were underweight (<18.5 kg/m(2) ), 58 (14.3%); normal weight (≥18.5 to <25 kg/m(2) ), 262 (64...
April 27, 2017: Hematological Oncology
https://www.readbyqxmd.com/read/28449222/tspan33-is-expressed-in-transitional-and-memory-b-cells-but-is-not-responsible-for-high-adam10-expression
#2
César Augusto Pérez-Martínez, José Luis Maravillas-Montero, Iván Meza-Herrera, Felipe Vences-Catalán, Albert Zlotnik, Leopoldo Santos-Argumedo
Tetraspanins are a family of transmembrane proteins that form membrane microdomains. They play important roles in migration, adhesion, and other cellular processes. TspanC8, a subfamily of tetraspanins, were found to associate and promote ADAM10 trafficking and cell surface localization. One of its members, Tspan33, is expressed in activated B cells. Using RT-PCR and flow cytometry, we analyzed the pattern of expression of Tspan33 in B cells from healthy donors. We found Tspan33 expression in early and late stages of B cell development...
April 27, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28449207/targeting-anti-apoptotic-bcl2-family-proteins-in-haematological-malignancies-from-pathogenesis-to-treatment
#3
REVIEW
Meike Vogler, Harriet S Walter, Martin J S Dyer
The B-cell lymphoma 2 (BCL2) family of proteins comprise key regulators of apoptosis and are implicated in the pathogenesis of many malignancies, including lymphomas and leukaemias. Targeting of BCL2 proteins can be directly toxic to tumour cells or render them more sensitive to chemotherapy. Inhibition of the anti-apoptotic functions of BCL2 proteins using structure-based design to produce specific inhibitors of protein-protein interactions has been achieved for BCL2, MCL1 and BCL-XL (also termed BCL2L1), providing an armamentarium of new targeted therapies called BH3-mimetics...
April 27, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28447764/sevoflurane-anesthesia-in-pregnant-rats-negatively-affects-nerve-function-in-offspring-potentially-via-inhibition-of-the-wnt-%C3%AE-catenin-pathway
#4
Yiyao Wang, Yu Li, Qunzhi Xing, Xuechan G Han, Xu Dong, Yiping Lu, Mintao Zhou
Due to the rapid development of medical technology used to perform intrauterine procedures during pregnancy, the number of patients receiving fetal surgery under general anesthesia is increasing. The aim of the present study was to determine the effects of anesthetics on the offspring of rats, and to identify the potential mechanisms underlying these effects. On day 14 of pregnancy, Sprague‑Dawley rats were equally divided into the following 3 groups (n=9): Control group (n=3), 3% sevoflurane group (n=3) and 4% sevoflurane group (n=3)...
March 13, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28447761/mir-21-inhibitor-suppresses-cell-proliferation-and-colony-formation-through-regulating-the-pten-akt-pathway-and-improves-paclitaxel-sensitivity-in-cervical-cancer-cells
#5
Guohui Du, Dongmei Cao, Lingzheng Meng
The present study aimed to investigate the role and the molecular mechanisms underlying the effects of microRNA-21 (miR-21) on the proliferation, apoptosis and colony formation of cervical cancer cells, and to examine the role of miR-21 in mediating the sensitivity of cervical cancer cells to paclitaxel (PTX). Reverse transcription‑quantitative polymerase chain reaction was employed to determine the level of miR‑21 in various cervical cancer and normal cervical cells. The results revealed that the expression levels of miR-21 in cervical cancer cells were markedly higher when compared with normal cervical cells...
March 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28447737/17%C3%AE-estradiol-protects-against-doxorubicin-induced-cardiotoxicity-in-male-sprague-dawley-rats-by-regulating-nadph-oxidase-and-apoptosis-genes
#6
Xiao-Juan Zhang, Xiao-Qing Cao, Chun-Sheng Zhang, Zhuo Zhao
Doxorubicin (DOX) is one of the most effective chemotherapeutic agents for the treatment of a number of malignancies. However, its use is limited by serious cardiotoxic effects, for which there are currently no reliable pharmacologic therapies. Estrogen has exhibited protective effects against cardiac stressors in male and female animal models; however, its effects on DOX‑induced cardiotoxicity remain unknown. High mortality and morbidity rates have been observed in patients with cancer worldwide, and DOX is often administered to a greater number of men than women...
March 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28447717/knockdown-of-zfpl1-results-in-increased-autophagy-and-autophagy%C3%A2-related-cell-death-in-nci%C3%A2-n87-and-bgc%C3%A2-823-human-gastric-carcinoma-cell-lines
#7
Yong-Zheng Xie, Wan-Li Ma, Ji-Ming Meng, Xue-Qun Ren
Macroautophagy, which will hereafter be referred to as autophagy, is an evolutionarily conserved process, during which cells recycle and remove damaged organelles and proteins in response to cellular stress. However, the mechanisms underlying the regulation of autophagy remain to be fully elucidated. The present study demonstrated that knockdown of zinc finger protein like 1 (ZFPL1) induces autophagy and increases autophagic cell death in NCI‑N87 and BGC‑823 human gastric carcinoma cell lines. To examine the role of ZFPL1 in gastric carcinoma cells, ZFPL1 expression was downregulated by lentiviral infection...
March 9, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28447716/par1%C3%A2-mediated-c%C3%A2-jun-activation-promotes-heat-stress%C3%A2-induced-early-stage-apoptosis-of-human-umbilical-vein-endothelial-cells
#8
Shuang Zhang, Yanan Liu, Zhenglian Wang, Jingxian Liu, Zhengtao Gu, Qiulin Xu, Lei Su
Our previous study indicated that when human umbilical vein endothelial cells (HUVECs), which are involved in endothelial barrier function, are heat stressed, levels of protease‑activated receptor 1 (PAR1) are increased significantly. In the present study, it was demonstrated that PAR1 serves a vital role in heat stress‑induced HUVEC apoptosis. When the PAR1 inhibitor, SCH79797 (SCH), or a small interfering RNA (siRNA) targeting PAR1 were used to inhibit PAR1 signaling, a marked decrease in cell apoptosis, caspase‑3 activity and the expression of the pro‑apoptotic protein B‑cell lymphoma 2 (Bcl‑2) associated X (Bax), as well as increased expression of the anti‑apoptotic Bcl‑2 family member, myeloid cell leukemia 1 (Mcl‑1), were observed...
March 9, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28447714/resveratrol-protects-against-oxidized-low%C3%A2-density-lipoprotein%C3%A2-induced-human-umbilical-vein-endothelial-cell-apoptosis-via-inhibition-of-mitochondrial%C3%A2-derived-oxidative-stress
#9
Yujie Liu, Xizhou Chen, Jie Li
Resveratrol, a natural phytochemical found in grapes and red wine, has been found to possess protective effects against endothelial cell apoptosis and oxidative damage. Oxidized‑low density lipoprotein (ox‑LDL) can induce apoptosis of endothelial cells, which is an important initial event in several cardiovascular diseases. However, the effect of resveratrol on ox‑LDL‑induced apoptosis and oxidative damage, and the possible associated mechanisms remain to be elucidated. In the present study, following exposure to ox‑LDL, human umbilical vein endothelial cells (HUVECs) were treated with or without resveratrol...
March 9, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28447710/khorana-score-and-histotype-predicts-incidence-of-early-venous-thromboembolism-in-non-hodgkin-lymphomas-a-pooled-data-analysis-of-12-clinical-trials-of-fondazione-italiana-linfomi-fil
#10
Roberto Mario Santi, Manuela Ceccarelli, Elisa Bernocco, Chiara Monagheddu, Andrea Evangelista, Federica Valeri, Federico Monaco, Umberto Vitolo, Sergio Cortelazzo, Maria Giuseppina Cabras, Michele Spina, Luca Baldini, Carola Boccomini, Annalisa Chiappella, Alessia Bari, Stefano Luminari, Carlo Visco, Marco Calabrese, Giulia Limberti, Alessandro Levis, Laura Contino, Giovannino Ciccone, Marco Ladetto
Current data suggests that the risk of venous thromboembolism (VTE) in patients with non-Hodgkin lymphoma (NHL) is comparable to that observed in patients with solid tumours, although more robust confirmatory analyses are required. With that in mind, we investigated the occurrence of VTE in a pooled analysis of 12 "Fondazione Italiana Linfomi" (FIL) prospective clinical studies. Specifically, we wished to assess the cumulative incidence of VTE in NHL patients, evaluate the predictive value of the Khorana Score (KS), and identify other potential risk factors for VTEs...
April 27, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28447408/flow-cytometry-recognizing-unusual-populations-in-leukemia-and-lymphoma-diagnosis
#11
REVIEW
M Keeney, B D Hedley, I H Chin-Yee
Flow cytometry is an invaluable technology in the examination of blood, bone marrow, tissue and body fluids for the presence or absence of hematological disease. It is used in both diagnostic and follow-up testing, with an increasingly important role in the detection of very small residual disease populations (Minimal Residual Disease, MRD) However, flow cytometry immunophenotyping of leukemia and lymphoma is highly dependent on interpretation of results and with the increased complexity of 8-10 color instruments routinely used in clinical laboratories, knowledge of disease-defining populations is increasingly important as is recognizing normal and reactive patterns...
May 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28447222/feeding-strategies-in-pediatric-cancer-patients-with-gastrointestinal-mucositis-a-multicenter-prospective-observational-study-and-international-survey
#12
Nicoline S S Kuiken, Edmond H H M Rings, Marry M van den Heuvel-Eibrink, Marianne D van de Wetering, Wim J E Tissing
INTRODUCTION: Currently, there is no adequate prevention or treatment for both oral and gastrointestinal mucositis induced by chemotherapy and/or radiotherapy. Supportive care of symptoms plays a primary role during mucositis in the pediatric clinical setting. We aimed to get insight in the currently used feeding strategies in clinical practice in pediatric cancer patients with chemotherapy-induced mucositis. METHODS: A prospective observational study was performed to identify feeding strategies after chemotherapy courses causing mucositis in almost all patients at the University Medical Center Groningen (UMCG), the Academic Medical Center Amsterdam (AMC), and the Princess Maxima Center Utrecht (PMC)...
April 26, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28447121/persistent-organic-pollutant-and-hormone-levels-in-harbor-porpoise-with-b-cell-lymphoma
#13
Stephanie A Norman, Zach C Winfield, Barry H Rickman, Sascha Usenko, Matthew Klope, Susan Berta, Sandra Dubpernell, Howard Garrett, Mary Jo Adams, Dyanna Lambourn, Jessica L Huggins, Nadine Lysiak, Adelaide E Clark, Rebel Sanders, Stephen J Trumble
B-cell lymphoma, a common morphologic variant of non-Hodgkin lymphoma, has been associated with persistent pollutants in humans, but this association is not well-characterized in top-level predators sharing marine resources with humans. We characterized and compared blubber contaminants and hormones of a pregnant harbor porpoise (Phocoena phocoena) with B-cell lymphoma, with those in two presumed healthy fishery by-caught porpoises with no lymphoma: a pregnant adult and female juvenile. Common historic use compounds, including polychlorinated biphenyls, polybrominated diphenyl ethers, and pesticides, were evaluated in blubber samples from three porpoises...
April 26, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28446716/targeted-alpha-therapy-using-a-novel-cd70-targeted-thorium-227-conjugate-in-in-vitro-and-in-vivo-models-of-renal-cell-carcinoma
#14
Urs B Hagemann, Dessislava Mihaylova, Steinar R Uran, Joergen Borrebaek, Derek Grant, Roger M Bjerke, Jenny Karlsson, Alan S Cuthbertson
The cell surface receptor CD70 has been previously reported as a promising target for B-cell lymphomas and several solid cancers including renal cell carcinoma. We describe herein the characterization and efficacy of a novel CD70 targeted thorium-227 conjugate (CD70-TTC) comprising the combination of the three components, a CD70 targeting antibody, a chelator moiety and the short-range, high-energy alpha-emitting radionuclide thorium-227 (227Th). In vitro analysis demonstrated that the CD70-TTC retained binding affinity to its target and displayed potent and specific cytotoxicity compared to an isotype control-TTC...
April 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28446627/silicon-alleviates-nonalcoholic-steatohepatitis-by-reducing-apoptosis-in-aged-wistar-rats-fed-a-high-saturated-fat-high-cholesterol-diet
#15
Alba Garcimartín, M Elvira López-Oliva, Jorge A Sántos-López, Rosa A García-Fernández, Adrián Macho-González, Sara Bastida, Juana Benedí, Francisco J Sánchez-Muniz
Background: Lipoapoptosis has been identified as a key event in the progression of nonalcoholic fatty liver disease (NAFLD), and hence, antiapoptotic agents have been recommended as a possible effective treatment for nonalcoholic steatohepatitis (NASH). Silicon, included in meat as a functional ingredient, improves lipoprotein profiles and liver antioxidant defenses in aged rats fed a high-saturated fat, high-cholesterol diet (HSHCD). However, to our knowledge, the antiapoptotic effect of this potential functional meat on the liver has never been tested...
April 26, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28446320/-advances-in-diagnosis-and-treatment-of-primary-breast-lymphoma-review
#16
Zhong-Ling Wei, Dong-Ping Huang
Primary breast lymphoma(PBL) is a rare and unique type of lymphoma. Female patients are the majority, but its pathogenesis is not clear, and the estrogen may be related with the pathoganesis. Women who have breast implants have more chance to be suffered. The painless breast masses are the most common clinical manifestations, which is similar to breast cancer. Surgical resection of the mass and core needle biopsy are helpful for the diagnosis. The most common pathological type of PBL is diffuse large B cell type, with non GCB type, and it is prone to extranodal relapse in which central nervous system relapse is common which has poor prognosis...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28446319/-progress-on-treatment-of-splenic-marginal-zone-lymphoma-review
#17
Ling Wu, Chen Tian, Yi-Zhuo Zhang
Splenic marginal zone lymphoma (SMZL) is an uncommon indolent B-cell non-Hodgkin's lymphoma. The clinical features of SMZL are splenomegaly, lymphocytosis and cytopenia in peripheral blood. Immunopheno-typically, the neoplastic cells are typically positive for CD45, CD20, CD79a, PAX5, IgD, BCL-2. The previous common used treatment is splenectomy and chemotherapy. Nowadays, rituximab-based chemotherapy regimens has improved the curative effect dramaticlly. IFN-α with or without ribavirin can be used to treat the patients with HCV infection...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28446292/-relation-of-mir-34a-expression-in-diffuse-large-b-cell-lymphoma-with-clinical-prognosis
#18
Yi-Ping Liu, Hong Hu, Fang Xu, Jing-Jing Wen
OBJECTIVE: To investigate the expression of miR-34a in serum of DLBCL patients, and to analyze its correlation with the expression of BCL-2 protein and clinical prognosis. METHODS: The clinical data of 65 DLBCL patients and 22 cases of lymphonode reactive hyperplasia (RH) were collected, the serum expressions of miR-34a and BCL-2 were detected by real-time fluorescence quantitative PCR, and the relationship of miR-34a and BCL-2 expression with clinical pathological features and prognosis was analyzed...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28446291/-clinical-significance-of-detecting-cd4-t-cells-in-peripheral-blood-of-patients-with-follicular-lymphoma
#19
Wei Liu, Guo-Xiang Zhagn, Wen-Zhi Shi, Lu Dong, Hua Liu, Xu-Liang Shen
OBJECTIVE: To investigate the changes of CD4(+) T lymphocytes in peripheral blood of patients with follicular lymphoma and its clinical significance. METHODS: Blood samples were collected for detection of whole blood cells, including absolute monocyte count (AMC), absolute lymphocyte count (ALC), hemoglobin (Hb), platelet count (Plt). Age, sex, pathological grade, number of involved lymph nodes, bone marrow involvement (BMI), Ann Arbor stage, B symptoms, serum lactate dehydrogenase (LDH) and serum β-2 microglobulin (β2-MG) were recorded, the prognostic stratification was performed by using FLIPI and FLIPI-2...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28446290/-gene-polymorphism-of-inflammation-related-cytokines-correlates-with-the-susceptibility-to-dlbcl
#20
Cai-Ping Tian, Shi-Qi Liao, Hong-Xia Yuan, Bo-Cheng Yao, Fang Wang
OBJECTIVE: To investigate the relationship of gene polymorphisms of inflammattion related cytokines with incidence of diffuse large B-cell lymphoma(DLBCL) in Gansu Han population. METHODS: The gene polymorphism of inflammation-related cytokines were detected by high-resolution melting(HRM) curve. RESULTS: The homozygous CC genotype carrying IL-1RA rs4251961 gene locus was related with the risk of DLBCL in comparison with homozygous TT, the OR was 0...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
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