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https://www.readbyqxmd.com/read/29115552/effects-of-daphnetin-combined-with-bcl2%C3%A2-sirna-on-antiapoptotic-genes-in-synovial-fibroblasts-of-rats-with-collagen%C3%A2-induced-arthritis
#1
Xiaoying Chen, Nanzhen Kuang, Xiaoping Zeng, Zhiqin Zhang, Yanyan Li, Wei Liu, Yingyuan Fu
The aim of the present study was to investigate the effects of daphnetin combined with B cell lymphoma 2 (Bcl2)‑targeted small interfering (si)RNA (si‑Bcl2) on antiapoptotic genes in fibroblast‑like synoviocytes (FLS) in rats with collagen II‑induced arthritis (CIA). The roles of si‑Bcl2 and daphnetin were determined by measuring the expression levels of Bcl2. Protein and mRNA expression levels of Bcl2 in FLS were determined by flow cytometry and reverse transcription‑quantitative polymerase chain reaction...
November 7, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29115490/microrna%C3%A2-206-contributes-to-the-progression-of-steroid%C3%A2-induced-avascular-necrosis-of-the-femoral-head-by-inducing-osteoblast-apoptosis-by-suppressing-programmed-cell-death-4
#2
Zaiheng Zhang, Anmin Jin, Denglu Yan
The expression of microRNA‑206 (miR‑206) is aberrantly induced in steroid‑induced avascular necrosis of femoral head (SANFH). Therefore, investigating the function of miR‑206 in SANFH and uncovering the functional mechanism associated with the condition will promote the understanding and treatment of the disease. The purpose of the present study was to investigate the pro‑osteoclasteogenic effect of miR‑206 that occurs through regulation of programmed cell death 4 (PDCD4). The expression of miR‑206 and PDCD4 was analyzed in the clinical SANFH specimens...
November 3, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29113197/acidic-stress-induces-apoptosis-and-inhibits-angiogenesis-in-human-bone-marrow-derived-endothelial-progenitor-cells
#3
Shuai Huang, Peiheng He, Dongliang Xu, Jinglei Li, Xinsheng Peng, Yubo Tang
Bone marrow-derived endothelial progenitor cells (BM-EPCs) are exposed to acidotic environments in a variety of physiological and pathological conditions, including in tumors. However, the effect of acidosis on the function of BM-EPCs is still not fully understood. In the present study, BM-EPCs were isolated and cultured at an extracellular pH (pHe) of 6.5 or pHe 7.4 in vitro prior to various experiments being performed. Cellular proliferation, migration and tube formation ability were detected by DNA content quantification, Transwell assay and Matrigel-based angiogenesis assay...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29112016/b-lymphoblastic-leukemia-lymphoma-with-burkitt-like-morphology-and-igh-myc-rearrangement-report-of-3-cases-in-adult-patients
#4
Yiting Li, Gunjan Gupta, Ari Molofsky, Yi Xie, Nader Shihabi, Jane McCormick, Elaine S Jaffe
Isolated MYC rearrangement without other recurrent genetic abnormalities is rare in B lymphoblastic leukemia/lymphoma (B-ALL/LBL), with most cases reported in pediatric patients. We report 3 adult cases with lymphoblasts showing a precursor B cell immunophenotype, and isolated MYC/IGH translocation. All 3 cases occurred in male patients with initial presentation of diffuse lymphadenopathy. Cases 1 and 2 had B-ALL with significantly increased lymphoblasts in peripheral blood and bone marrow. Case 3, a patient with human immunodeficiency virus infection, had the diagnosis of B-LBL made on a retroperitoneal lymph node biopsy and had no peripheral blood or bone marrow involvement...
November 3, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29102932/fisetin-induces-apoptosis-of-hsc3-human-oral-cancer-cells-through-endoplasmic-reticulum-stress-and-dysfunction-of-mitochondria-mediated-signaling-pathways
#5
Yung-Luen Shih, Fang-Ming Hung, Ching-Hsiao Lee, Ming-Yang Yeh, Mei-Hui Lee, Hsu-Feng Lu, Yung-Liang Chen, Jia-You Liu, Jing-Gung Chung
BACKGROUND/AIM: Oral cancer has been reported to be one of the major cancer-related diseases in human populations and the treatment of oral cancer is still unsatisfied. Fisetin, is a flavonoid from plants and has several biological activities such as antioxidant, anti-inflammatory and anticancer function, but its cytotoxicity in human oral cancer cells is unknown. In the present study, we investigated fisetin-induced cytotoxic effects on HSC3 human oral cancer cells in vitro. Materials and Methods/Results: We used flow cytometric assay to show fisetin induced apoptotic cell death through increased reactive oxygen species and Ca(2+), but reduced the mitochondrial membrane potential and increased caspase-8, -9 and -3 activities in HSC3 cells...
November 2017: In Vivo
https://www.readbyqxmd.com/read/29097500/a-bio-clinical-prognostic-model-using-myc-and-bcl2-predicts-outcome-in-relapsed-refractory-diffuse-large-b-cell-lymphoma
#6
Mark Bosch, Ariz Akhter, Bingshu E Chen, Adnan Mansoor, David Lebrun, David Good, Michael Crump, Lois Shepherd, David W Scott, Douglas A Stewart
The objective of this study was to create a bio-clinical model, based on clinical and molecular predictors of event-free and overall survival for relapsed/refractory diffuse large B-cell lymphoma patients treated on the Canadian Cancer Trials Group LY12 prospective study. Sufficient histologic material was available for 91 cases to create tissue microarrays and perform immunohistochemistry staining for CD10, BCL6, MUM1/IRF4, FOXP1, LMO2, BCL2, MYC, P53 and pySTAT3 expression. 67 cases had material sufficient for fluorescent in-situ hybridization for MYC and BCL2...
November 2, 2017: Haematologica
https://www.readbyqxmd.com/read/29082051/primary-cutaneous-follicle-centre-lymphoma-with-hodgkin-and-reed-sternberg-like-cells-a-case-report-and-review-of-the-literature
#7
Fatima A Aldarweesh, Diana O Treaba
An elderly woman with a complex medical history presented with a left forearm mass that slowly developed for several months. The excisional biopsy of this skin mass was remarkable for involvement by a follicle centre cell derived lymphoma with a nodular and diffuse pattern associated with a subset of scattered Hodgkin and Reed-Sternberg like cells. Fluorescence in situ hybridization studies did not detect the presence of IgH-bcl2 fusion transcript, and molecular studies were negative for immunoglobulin heavy chain gene rearrangements and EBV DNA sequences...
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/29070849/high-risk-follicular-lymphomas-harbour-more-somatic-mutations-including-those-in-the-aid-motif
#8
Taku Tsukamoto, Masakazu Nakano, Ryuichi Sato, Hiroko Adachi, Miki Kiyota, Eri Kawata, Nobuhiko Uoshima, Satoru Yasukawa, Yoshiaki Chinen, Shinsuke Mizutani, Yuji Shimura, Tsutomu Kobayashi, Shigeo Horiike, Akio Yanagisawa, Masafumi Taniwaki, Kei Tashiro, Junya Kuroda
We investigated clinical and genetic characteristics of high-risk follicular lymphoma (FL), that lacked evidence of large cell transformation at diagnosis, in the rituximab era. First, we retrospectively analysed the clinical features of 100 patients with non-transformed FL that were consecutively treated with rituximab-containing therapies in a discovery cohort. The presence of either peripheral blood and/or bone involvement was associated with short progression-free survival. This was confirmed in a validation cohort of 66 FL patients...
October 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29066528/acute-nutrient-treatment-causes-alterations-in-intra-follicular-antioxidation-and-akt-signaling
#9
Haitao Nie, Yixuan Guo, Xiaolei Yao, Tiewei Ma, KaiPing Deng, Zheng Wang, Guomin Zhang, Lingwei Sun, Zi Yu Wang, HengChang Wang, Feng Wang
This study aimed to determine if short-term nutrient alteration affects 1) ovary morphology, 2) plasma and ovarian antioxidant capability, and 3) cell apoptosis and Akt signaling within the ovary. After estrus synchronization, 24 Hu sheep were assigned to three groups based on the nutrient requirement recommended for maintenance (M): 1×M (Control), 1.5×M (S), and 0.5×M (R) during day 7 to 14 of their estrous cycle. The results indicated that undernourishment significantly increased the counts and volume of follicles <2...
October 24, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/29062236/neat1-regulates-cell-proliferation-and-apoptosis-of-ovarian-cancer-by-mir-34a-5p-bcl2
#10
Nan Ding, Haiying Wu, Tao Tao, Erxuan Peng
BACKGROUND: Nuclear enriched abundant transcript 1 (NEAT1) has been demonstrated to act as a tumor inhibitor in many cancers. However, the role of NEAT1 in the development of ovarian cancer (OC) remains far from being elaborated. Hence, the aim of this study is to investigate the expression and function of NEAT1 in OC. MATERIALS AND METHODS: The expression level of NEAT1 was determined by quantitative real-time polymerase chain reaction in OC cell lines. MTT assay, caspase-3 activity assay, and flow cytometry analysis were conducted to investigate the effects of NEAT1, miR-34a-5p, or B-cell lymphoma-2 (BCL2) on OC cell proliferation and apoptosis...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29061824/pipoxolan-exhibits-antitumor-activity-toward-oral-squamous-cell-carcinoma-through-reactive-oxygen-species-mediated-apoptosis
#11
Pei-Yu Chou, Min-Min Lee, Sung-Yuan Lin, Ming-Jyh Sheu
Pipoxolan is frequently prescribed as a smooth muscle relaxant. Pipoxolan has also been shown to have anticancer activity. Our study investigated whether pipoxolan induced apoptosis in oral squamous cell carcinoma (OSCC). Cell cytotoxicity was evaluated by the MTT assay. Cell apoptosis and cell-cycle distribution were measured by annexin V/propidium iodide (PI) double staining and flow cytometry, respectively. Apoptotic-related proteins were assessed by western blotting. Reactive oxygen species (ROS) generation and mitochondrial membrane potential (MMP) were measured with fluorescent probes...
November 2017: Anticancer Research
https://www.readbyqxmd.com/read/29061809/apoptosis-inducing-effect-of-hydroquinone-5-o-cinnamoyl-ester-analog-of-renieramycin-m-on-non-small-cell-lung-cancer-cells
#12
Arnatchai Maiuthed, Tatchakorn Pinkhien, Supakarn Chamni, Khanit Suwanborirux, Naoki Saito, Nareerat Petpiroon, Pithi Chanvorachote
BACKGROUND: A newly-synthesized derivative of renieramycin M (RM), an anticancer lead compound isolated from the blue sponge Xestospongia sp., hydroquinone 5-O-cinnamoyl ester (CIN-RM), was investigated here for its activity against non-small cell lung cancer cells. MATERIALS AND METHODS: Cytotoxicity effects of CIN-RM and RM on H292 lung cancer cells were determined by the MTT assay. We also investigated the mechanism of CIN-RM-mediated apoptosis and mechanism of action of this compound by western blotting...
November 2017: Anticancer Research
https://www.readbyqxmd.com/read/29045541/from-hepatitis-c-virus-infection-to-b-cell-lymphoma
#13
L Couronné, E Bachy, S Roulland, B Nadel, F Davi, M Armand, D Canioni, J M Michot, C Visco, L Arcaini, C Besson, O Hermine
In addition to liver disorders, Hepatitis C virus (HCV) is also associated with extrahepatic immune manifestations and B-cell non-Hodgkin lymphoma (NHL), especially marginal zone lymphoma, de novo or transformed diffuse large B-cell lymphoma and to a lesser extent, follicular lymphoma. Epidemiological data and clinical observations argue for an association between HCV and lymphoproliferative disorders. The causative role of HCV in NHL has been further supported by the response to anti-viral therapy. Pathophysiological processes at stake leading from HCV infection to overt lymphoma still need to be further elucidated...
October 10, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29044419/myc-bcl2-co-expression-is-a-stronger-prognostic-factor-compared-with-the-cell-of-origin-classification-in-primary-cns-dlbcl
#14
COMPARATIVE STUDY
Qian-Yun Shi, Xiao Feng, Wei Bao, Jie Ma, Jing-Huan Lv, Xuan Wang, Qiu Rao, Qun-Li Shi
Primary central nervous system (CNS) diffuse large B-cell lymphoma (DLBCL) is a subtype of DLBCL with an unfavorable prognosis and a poor response to the treatment. As we know, DLBCL is stratified into germinal center B-cell (GCB)-like and activated B-cell (ABC)-like subtypes with different prognosis according to their gene-expression characteristics. In this study, we analyzed a case series of 77 patients with primary CNS DLBCL. A difference in prognosis of GCB-like and ABC-like subtypes was noticed, but no statistical significance was found...
November 1, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/29037890/double-expressor-lymphoma-is-associated-with-poor-outcomes-after-allogeneic-hematopoietic-cell-transplantation
#15
Ichiro Kawashima, Yoshihiro Inamoto, Akiko Miyagi Maeshima, Junko Nomoto, Kinuko Tajima, Tadahiro Honda, Takafumi Shichijo, Akihisa Kawajiri, Tomonari Takemura, Akio Onishi, Ayumu Ito, Takashi Tanaka, Shigeo Fuji, Saiko Kurosawa, Sung-Won Kim, Dai Maruyama, Kensei Tobinai, Yukio Kobayashi, Takahiro Fukuda
Double-expressor lymphoma (DEL) is a diffuse large B cell lymphoma that exhibits co-expression of MYC and BCL2 proteins by immunohistochemistry. Patients with double-expressor lymphoma have a poor prognosis after standard chemoimmunotherapy or after high-dose chemotherapy with autologous transplantation, but the prognostic impact of DEL after allogeneic hematopoietic cell transplantation has not been well characterized. We retrospectively analyzed 60 consecutive patients with de novo diffuse large B cell lymphoma or transformed follicular lymphoma who underwent allogeneic transplantation at our center and had available immunohistochemistry data...
October 14, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29027214/development-of-an-alternative-zebrafish-model-for-drug-induced-intestinal-toxicity
#16
Bokyeong Ryu, C-Yoon Kim, Hanseul Oh, Ukjin Kim, Jin Kim, Cho-Rok Jung, Byoung-Hee Lee, Seungki Lee, Seo-Na Chang, Ji Min Lee, Hyung-Min Chung, Jae-Hak Park
An evaluation of intestinal toxicity is important because the mucosal lining of the gastrointestinal tract is the first barrier for oral xenobiotics. Until now, a rat model has been recommended as the standard intestinal toxicity model and the Caco-2 cell line, originated from a human colon adenocarcinoma, has been used as an alternative to this model, but there are limitations regarding cost-effectiveness and the need for mimicry of the human system. In this study, we investigated whether zebrafish could be a valid alternative to rats and Caco-2 cells as an intestinal toxicity model...
October 13, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/29021515/clinicopathological-analysis-of-320-cases-of-diffuse-large-b-cell-lymphoma-using-the-hans-classifier
#17
Akifumi Ichiki, Joaquim Carreras, Masashi Miyaoka, Yara Yukie Kikuti, Tadashi Jibiki, Kei Tazume, Shigeki Watanabe, Tamotsu Sasao, Yoshiaki Obayashi, Makoto Onizuka, Ken Ohmachi, Fumiaki Yoshiba, Yukari Shirasugi, Yoshiaki Ogawa, Hiroshi Kawada, Naoya Nakamura, Kiyoshi Ando
The estimation of clinical prognosis for diffuse large B-cell lymphoma (DLBCL) with a quick, cost-efficient method is necessary because of the clinical heterogeneity of this disease, which leads to death, relapsed or refractory disease in approximately 40% of patients. We analyzed 320 cases diagnosed from 2007 to 2013 treated with R-CHOP therapy at Tokai University Hospital and associated institutions. DLBCL was classified according to the cell-of-origin using the Hans algorithm [germinal center B-cell-like (GCB) vs non-GCB subtypes], and into 6 subgroups derived from combinations of CD10, BCL6 and MUM1 markers...
2017: Journal of Clinical and Experimental Hematopathology: JCEH
https://www.readbyqxmd.com/read/28987383/hsp90-inhibitor-nvp-auy922-enhances-the-anti-cancer-effect-of-bcl-2-inhibitor-abt-737-in-small-cell-lung-cancer-expressing-bcl-2
#18
Hannah Yang, Mi-Hee Lee, Intae Park, Hanwool Jeon, Junyoung Choi, Seyoung Seo, Sang-We Kim, Gou Young Koh, Kang-Seo Park, Dae Ho Lee
Small cell lung cancer (SCLC) cannot be efficiently controlled using existing chemotherapy and radiotherapy approaches, indicating the need for new therapeutic strategies. Although ABT-737, a B-cell lymphoma-2 (BCL-2) inhibitor, exerts anticancer effects against BCL-2-expressing SCLC, monotherapy with ABT-737 is associated with limited clinical activity because of the development of resistance and toxicity. Here, we examined whether combination therapy with ABT-737 and heat shock protein 90 (HSP90) inhibitor NVP-AUY922 exerted synergistic anticancer effects on SCLC...
October 4, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28985567/genetic-and-functional-drivers-of-diffuse-large-b%C3%A2-cell-lymphoma
#19
Anupama Reddy, Jenny Zhang, Nicholas S Davis, Andrea B Moffitt, Cassandra L Love, Alexander Waldrop, Sirpa Leppa, Annika Pasanen, Leo Meriranta, Marja-Liisa Karjalainen-Lindsberg, Peter Nørgaard, Mette Pedersen, Anne O Gang, Estrid Høgdall, Tayla B Heavican, Waseem Lone, Javeed Iqbal, Qiu Qin, Guojie Li, So Young Kim, Jane Healy, Kristy L Richards, Yuri Fedoriw, Leon Bernal-Mizrachi, Jean L Koff, Ashley D Staton, Christopher R Flowers, Ora Paltiel, Neta Goldschmidt, Maria Calaminici, Andrew Clear, John Gribben, Evelyn Nguyen, Magdalena B Czader, Sarah L Ondrejka, Angela Collie, Eric D Hsi, Eric Tse, Rex K H Au-Yeung, Yok-Lam Kwong, Gopesh Srivastava, William W L Choi, Andrew M Evens, Monika Pilichowska, Manju Sengar, Nishitha Reddy, Shaoying Li, Amy Chadburn, Leo I Gordon, Elaine S Jaffe, Shawn Levy, Rachel Rempel, Tiffany Tzeng, Lanie E Happ, Tushar Dave, Deepthi Rajagopalan, Jyotishka Datta, David B Dunson, Sandeep S Dave
Diffuse large B cell lymphoma (DLBCL) is the most common form of blood cancer and is characterized by a striking degree of genetic and clinical heterogeneity. This heterogeneity poses a major barrier to understanding the genetic basis of the disease and its response to therapy. Here, we performed an integrative analysis of whole-exome sequencing and transcriptome sequencing in a cohort of 1,001 DLBCL patients to comprehensively define the landscape of 150 genetic drivers of the disease. We characterized the functional impact of these genes using an unbiased CRISPR screen of DLBCL cell lines to define oncogenes that promote cell growth...
October 5, 2017: Cell
https://www.readbyqxmd.com/read/28985492/primary-cardiac-diffuse-large-b-cell-lymphoma-with-concurrent-high-myc-and-bcl2-expression-in-an-immunocompetent-chinese-elderly-woman
#20
Ying Wan, Du He, Yunxia Ye, Wenyan Zhang, Sha Zhao, Yanhong Long, Min Chen, Can Küçük
Primary cardiac lymphoma is a rare type of extranodal lymphoma that involves only heart and/or pericardium. It is usually observed in immunodeficient people. However, immunocompetent patients may also suffer from this disease. Most primary cardiac lymphomas are of B-cell lineage, and they usually present as diffuse large B-cell lymphoma (DLBCL). Diffuse large B-cell lymphoma with concurrently high MYC and BCL2 expression, which is named as double-expressor lymphoma (DEL), is a rare subtype of DLBCL. Here we report a rare case of a primary cardiac DEL in an immunocompetent 65-year old Chinese woman...
August 4, 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
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