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https://www.readbyqxmd.com/read/28537658/research-on-the-relationship-between-artesunate-and-raji-cell-autophagy-and-apoptosis-of-burkitt-s-lymphoma-and-its-mechanism
#1
Z-C Wang, Y Liu, H Wang, Q-K Han, C Lu
OBJECTIVE: To investigate the effects of Artesunate (ART) on the Raji cell proliferation, apoptosis and autophagy with Raji cells of Burkitt's lymphoma as the objects of study, and to investigate the anti-tumor mechanism of ART. MATERIALS AND METHODS: Morphological examinations of apoptotic and autophagy were performed. MTT assay was used to detect the cell proliferation after ART treatment. The changes in cell apoptosis and cell cycle were detected by flow cytometer...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28533652/peritoneal-super-scan-on-18-f-fdg-pet-ct-in-a-patient-of-burkitt-s-lymphoma
#2
Shambo Guha Roy, Girish Kumar Parida, Sarthak Tripathy, Abhinav Singhal, Shamim Ahmed Shamim, Madhavi Tripathi
Peritoneal lymphomatosis is seen less frequently, but when seen, it is mostly associated with aggressive variants of malignancies. FDG uptake has been reported in peritoneal lymphomatosis both in DLBCL and Burkitt's lymphoma. We report a case of Burkitt's lymphoma with involvement of entire peritoneum, which looks like a "peritoneal super scan" on FDG PET-CT.
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28532696/gastroduodenal-burkitt-lymphoma-presenting-as-demyelinating-polyneuropathy
#3
Peter D Snell, Kanak Das
No abstract text is available yet for this article.
May 19, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28523628/burkitt-lymphoma-as-a-lead-point-for-jejunojejunal-intussusception-in-a-human-immunodeficiency-virus-patient
#4
Prabin Sharma, Shivashanker Balasingham, Kristin Stawiarski, Mahboubeh Rahmani, Antonio Costantino, Pranav Sharma, Mina Xu, Amir Masoud
Intussusception is commonly seen in children but is rare in adults and represents only 5% of all intussusceptions causing 1% of intestinal obstructions. More than 50% of these intussusceptions in adults are due to intestinal neoplasms, including malignant lymphoma, e.g., Burkitt lymphoma. These lymphomas are more common in human immunodeficiency virus (HIV)-positive patients than in the general population. We present a case of a young male who was diagnosed with HIV when he developed intestinal obstruction and intussusception secondary to Burkitt lymphoma...
May 18, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28521631/immunohistochemical-profile-of-myc-protein-in-pediatric-small-round-blue-cell-tumors
#5
Karen M Chisholm, Chandra Krishnan, Amy Heerema-McKenney, Yasodha Natkunam
Deregulation of MYC oncoprotein in cancers can result from multiple oncogenic mechanisms. Although MYC translocations define Burkitt lymphoma and MYC protein expression is a poor prognostic factor in undifferentiated neuroblastomas, the distribution of MYC protein (c-MYC) across other pediatric small round blue cell tumors (SRBCT) has not been well characterized. We undertook this study to assess MYC protein expression in a large cohort of pediatric lymphomas, sarcomas, and other SRBCT. Tissue microarrays containing 302 SRBCT were successfully evaluated by immunohistochemistry using anti-MYC clone Y69, with nuclear positivity scored as 0%, 1%-25%, 26%-50%, 51%-75%, or 76%-100%...
June 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28520616/pediatric-cancer-burden-and-treatment-resources-within-the-pediatric-iedea-consortium
#6
Steven A Brown, Salma Abbas, Mary-Ann Davies, Torsak Bunupuradah, Annette H Sohn, Karl-Günter Technau, Lorna Renner, Valériane Leroy, Andrew Edmonds, Marcel Yotebieng, Catherine C McGowan, Stephany N Duda, Lynne Mofenson, Beverly Musick, Kara Wools-Kaloustian
INTRODUCTION: The incidence and treatment of cancer in HIV-infected children from resource-limited settings has not been extensively studied. OBJECTIVES: Develop and implement a cross-sectional survey to evaluate pediatric cancer burden, diagnostic modalities in use, and treatment availability as perceived by HIV clinic staff at regional International Epidemiology Databases to Evaluate AIDS (IeDEA) sites. METHODS: IeDEA regional investigators developed a cross-sectional clinical site survey which included questions on the numbers and types of pediatric cancers observed, modalities used to treat identified cancers and treatment options available at individual sites in the Asia-Pacific, Latin America, Central Africa, East Africa, West Africa, and Southern Africa regions...
May 17, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28515100/detection-of-chromosomal-translocation-in-hematologic-malignancies-by-a-novel-dna-based-looped-ligation-assay-lola
#7
Shuko Harada, Emily Sizzle, Ming-Tseh Lin, Christopher D Gocke
BACKGROUND: Disease-defining chromosomal translocations are seen in various neoplasms, especially in lymphomas and leukemias. Translocation detection at the DNA level is often complicated by chromosomal breakpoints that are distributed over very large regions. We have developed a ligation-based assay [the looped ligation assay (LOLA)] to detect translocations from diseases with multiple widely spaced breakpoint hot spots. METHODS: Oligonucleotide sets that probe breakpoints of IGH-BCL2 (immunoglobulin heavy-apoptosis regulator) in follicular lymphoma (FL), MYC-IGH (MYC proto-oncogene, bHLH transcription factor- immunoglobulin heavy) in Burkitt lymphoma (BL) and BCR-ABL1 (RhoGEF and GTPase activating protein-ABL proto-oncogene 1, non-receptor tyrosine kinase) in chronic myelogenous leukemia (CML) were designed...
May 17, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28514666/a-temporal-proteomic-map-of-epstein-barr-virus-lytic-replication-in-b-cells
#8
Ina Ersing, Luis Nobre, Liang Wei Wang, Lior Soday, Yijie Ma, Joao A Paulo, Yohei Narita, Camille W Ashbaugh, Chang Jiang, Nicholas E Grayson, Elliott Kieff, Steven P Gygi, Michael P Weekes, Benjamin E Gewurz
Epstein-Barr virus (EBV) replication contributes to multiple human diseases, including infectious mononucleosis, nasopharyngeal carcinoma, B cell lymphomas, and oral hairy leukoplakia. We performed systematic quantitative analyses of temporal changes in host and EBV proteins during lytic replication to gain insights into virus-host interactions, using conditional Burkitt lymphoma models of type I and II EBV infection. We quantified profiles of >8,000 cellular and 69 EBV proteins, including >500 plasma membrane proteins, providing temporal views of the lytic B cell proteome and EBV virome...
May 16, 2017: Cell Reports
https://www.readbyqxmd.com/read/28509416/the-importance-of-cd39-cd43-cd81-and-cd95-expression-for-differentiating-b-cell-lymphoma-by-flow-cytometry
#9
Chandra Chiappin Cardoso, Mariangeles Auat, Iris Mattos Santos-Pirath, Renata Cristina Messores Rudolf-Oliveira, Jessica Pires da Silva, Bárbara Gil Lange, Danielle Siegel, Ana Carolina Rabello de Moraes, Joanita Angela Gonzaga Del Moral, Maria Claudia Santos-Silva
BACKGROUND: B cell lymphomas' (BCL) current diagnosis is usually based on a combination of morphology, immunophenotype, recurrent cytogenetic aberration and clinical features. However, even with these diagnostic tools, a definitive diagnosis can be difficult to achieve. Therefore, the aim of this study was to assess the profile of CD39, CD43, CD81, and CD95 expressions in diffuse large B cell lymphoma (DLBCL), follicular lymphoma (FL), and Burkitt lymphoma (BL) cases. METHODS: To address this issue, we investigated the expression of CD39, CD43, CD81, and CD95 by eight-color flow cytometry in retrospective cases from 2014 to 2016...
May 16, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28508718/frondoside-a-induces-aif-associated-caspase-independent-apoptosis-in-burkitt-lymphoma-cells
#10
Sergey A Dyshlovoy, Stefanie Rast, Jessica Hauschild, Katharina Otte, Winfried H Alsdorf, Ramin Madanchi, Vladimir I Kalinin, Alexandra S Silchenko, Sergey A Avilov, Judith Dierlamm, Friedemann Honecker, Valentin A Stonik, Carsten Bokemeyer, Gunhild von Amsberg
For patients with refractory or relapsed Burkitt lymphoma (BL), no standard therapy is available for second-line treatment to date. Nonfunctional caspases-dependent apoptosis pathways, inactivating p53 mutations and pro-survival autophagy prevent activity of conventional chemotherapy. Thus, new drugs bypassing these mechanisms of resistance are required. Here, we investigated the efficacy of the marine natural compound frondoside A (FrA) in eight BL cell lines. FrA revealed cytotoxic effects in all cell lines tested including the multiresistant CA46 cells...
May 16, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28508391/burkitt-lymphoma
#11
Daniela Fonseca E Silva, Marta Sofia Lopes, Cláudia Pedrosa, Luísa Regadas, Jorge Coutinho, Maria Inês Freitas
No abstract text is available yet for this article.
May 16, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28507339/efficacy-and-tolerability-of-chemotherapy-in-chinese-patients-with-aids-related-burkitt-lymphoma-and-diffuse-large-b-cell-lymphoma-an-observational-study
#12
Jiang Xiao, Shuxu Du, Guorui Dai, Guiju Gao, Di Yang, Hongxin Zhao
We evaluated the efficacy and tolerability of chemotherapy in HIV-infected patients with diffuse large B-cell lymphoma (DLBCL) receiving CHOP ± R (n = 17) or Burkitt lymphoma (BL) receiving CODOX-M/IVAC ± R (n = 15). The study was conducted in Beijing Ditan Hospital from January 2009 to August 2015. The following grade 4 adverse effects were observed in BL and DLBCL patients, respectively: neutropenia (80% versus 47.1%), anaemia (46.7% versus 5.9%), thrombocytopenia (53.3% versus 11.8%), bacterial pneumonia (33...
May 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28506687/human-immunodeficiency-virus-hiv-and-epstein-barr-virus-ebv-related-lymphomas-pathology-view-point
#13
REVIEW
Ebru Linke-Serinsöz, Falko Fend, Leticia Quintanilla-Martinez
The contribution of Epstein Barr virus (EBV) and Kaposi sarcoma herpes virus (KSHV) to the development of specific types of malignant lymphomas occurring in the human immunodeficiency virus (HIV) setting has been extensively studied since the beginning of the HIV epidemic 35 years ago. The introduction of highly active antiretroviral therapies (HAART) in 1996 has changed dramatically the incidence of HIV-related malignancies. Nevertheless, malignant lymphomas continue to be the major group of malignances observed in HIV infected individuals, and the most common cause of cancer related-deaths...
April 7, 2017: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/28502935/two-cases-of-neurolymphomatosis-with-fatal-bilateral-vocal-cord-paralysis-that-were-diagnosed-with-18-f-fluorodeoxyglucose-positron-emission-tomography-fdg-pet-ct
#14
Yuichiro Ono, Yasuhiro Kazuma, Yotaro Ochi, Ryosuke Matsuoka, Yukihiro Imai, Takayuki Ishikawa
Neurolymphomatosis is a rare entity defined as nerve infiltration by neurotropic abnormal lymphocytes which can lead to the development of neuropathy, with typical presentations including pain, hypoesthesia, paresthesis and palsy. We herein report two cases where critical bilateral vocal cord paralysis due to neurolymphomatosis in recurrent nerves occurred in refractory Burkitt lymphoma and adult T-cell lymphoma patients. High-dose methotrexate and intrathecal chemotherapy injection for the nervous lesions were ineffective, and the patients died...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28494239/crispr-cas9-screens-reveal-epstein-barr-virus-transformed-b-cell-host-dependency-factors
#15
Yijie Ma, Michael J Walsh, Katharina Bernhardt, Camille W Ashbaugh, Stephen J Trudeau, Isabelle Y Ashbaugh, Sizun Jiang, Chang Jiang, Bo Zhao, David E Root, John G Doench, Benjamin E Gewurz
Epstein-Barr virus (EBV) causes endemic Burkitt lymphoma (BL) and immunosuppression-related lymphomas. These B cell malignancies arise by distinct transformation pathways and have divergent viral and host expression programs. To identify host dependency factors resulting from these EBV+, B cell-transformed cell states, we performed parallel genome-wide CRISPR/Cas9 loss-of-function screens in BL and lymphoblastoid cell lines (LCLs). These highlighted 57 BL and 87 LCL genes uniquely important for their growth and survival...
May 10, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28493322/three-year-cancer-incidence-in-blantyre-malawi-2008-2010
#16
Steady J D Chasimpha, D Maxwell Parkin, Leo Masamba, Charles P Dzamalala
In this paper, we present incidence rates of different cancers calculated for the population of Blantyre, Malawi for the period 2008-2010, using data from the Malawi Cancer Registry. Active methods were used for case finding, with standard checks for accuracy and validity performed in CanReg 4. During this 3-year period, a total of 3,711 cases were registered comprising 1,643 men (an estimated age-standardized incidence rate (ASR) of 169.8 per 100,000) and 2,068 women (ASR 238.7 per 10(5) ). Kaposi sarcoma (KS) was the most common cancer in men (40...
May 10, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28492808/famlf-is-a-target-of-mir-181b-in-burkitt-lymphoma
#17
J G Li, Y Ding, Y M Huang, W L Chen, L L Pan, Y Li, X L Chen, Y Chen, S Y Wang, X N Wu
Burkitt lymphoma (BL) is a highly malignant non-Hodgkin's lymphoma that is closely related to the abnormal expression of genes. Familial acute myelogenous leukemia related factor (FAMLF; GenBank accession No. EF413001.1) is a novel gene that was cloned by our research group, and miR-181b is located in the intron of the FAMLF gene. To verify the role of miR-181b and FAMLF in BL, RNAhybrid software was used to predict target site of miR-181b on FAMLF and real-time quantitative PCR (RQ-PCR) was used to detect expression of miR-181b and FAMLF in BL patients, Raji cells and unaffected individuals...
May 4, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28483518/stat3-mediates-multidrug-resistance-of-burkitt-lymphoma-cells-by-promoting-antioxidant-feedback
#18
Ruolan Zeng, Youhong Tang, Hui Zhou, Yiping Liu, Junhui Huang, Li Li, Wei Liu, Yuhua Feng, Yangying Zhou, Taili Chen, Lu Zhang, Meizuo Zhong
Burkitt lymphoma (BL) is a highly aggressive B-cell neoplasm. Although BL is relatively sensitive to chemotherapy, some patients do not respond to initial therapy or relapse after standard therapy, which leads to poor prognosis. The mechanisms underlying BL chemoresistance remain poorly defined. Here, we report a mechanism for the relationship between the phosphorylation of STAT3 on Tyr705 and BL chemoresistance. In chemoresistant BL cells, STAT3 was activated and phosphorylated on Tyr705 in response to the generation of the reactive oxygen species (ROS), which induced Src Tyr416 phosphorylation after multi-chemotherapeutics treatment...
June 17, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28482391/-two-families-of-x-linked-lymphoproliferative-disease-type-1-characterized-by-agammaglobulinemia
#19
W Y Li, J S Chen, Q Zhao, R X Dai, Y P Wang, H Y Zhao, X M Chen, X H Xue, X Y Sun, X M Tang, Y Zhang, Y Ding, X D Zhao, Z Y Zhang
Objective: To investigate the clinical and immunological laboratory features, mutations in SH2D1A gene and SAP protein expression in four children of two families with X-linked lymphoproliferative disease type 1(XLP-1). Method: Four patients (Family A including Patient 1 and Patient 2, Family B including Patient 3 and Patient 4) and their maternal relatives were enrolled in this study. The clinical manifestation, EBV infection status and chest CT scan were analyzed. The absolute and relative numbers of lymphocyte subsets, T lymphocyte proliferative response, SAP protein expression were assessed by flow cytometry...
May 4, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28479198/sulfoximines-as-atr-inhibitors-analogs-of-ve-821
#20
Christine M M Hendriks, Jörg Hartkamp, Stefan Wiezorek, Anne-Dorothee Steinkamp, Giulia Rossetti, Bernhard Lüscher, Carsten Bolm
The ATM- and Rad3-related (ATR) kinases play a key role in DNA repair processes and thus ATR is an attractive target for cancer therapy. Here we designed and synthesized sulfilimidoyl- and sulfoximidoyl-substituted analogs of the sulfone VE-821, a reported ATR inhibitor. The properties of these analogs have been investigated by calculating physicochemical parameters and studying their potential to specifically inhibit ATR in cells. Prolonged inhibition of ATR by the analogs in a Burkitt lymphoma cell line resulted in enhanced DNA damage and a substantial amount of apoptosis...
April 8, 2017: Bioorganic & Medicinal Chemistry Letters
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