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BCL2 lymphoma

Guangxian Zhang, Xiancheng Zeng, Ren Zhang, Juan Liu, Weici Zhang, Yujun Zhao, Xiaoyuan Zhang, Zhixue Wu, Yuhui Tan, Yingya Wu, Biaoyan Du
BACKGROUND: Hepatocellular carcinoma (HCC) is the most commonly diagnosed malignancy of the liver, occurs frequently in the setting of chronic liver injury. Although multiple therapeutic approaches are available, the prognosis of patients with HCC remains poor. Dioscin is a natural steroid saponin that presents in various plants. The anti-cancer and anti-fibrotic effects have been extensively reported. However, the effect of dioscin on HCC remains unclear. We aimed to investigate the anti-HCC properties of dioscin in vitro and in vivo...
November 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Xueyan Zhang, Katsuyoshi Takata, Wei Cui, Tomoko Miyata-Takata, Yasuharu Sato, Mai Noujima-Harada, Tadashi Yoshino
Protocadherin genes (PCDHs) have been suggested to act as tumor suppressor genes in various tumor types. Previous studies have demonstrated the upregulation of certain PCDH‑γ subfamily genes in nodal and duodenal follicular lymphoma (FL) using gene expression analyses. However, the mechanisms and associated molecular function of PCDH‑γ subfamily gene upregulation in FL remain to be elucidated. The present study examined the expression of PCDHGA3, an upregulated PCDH‑γ gene subfamily member, in B‑cell lymphoma 2 (BCL2)‑positive and ‑negative FL, and evaluated its association with tumor cell proliferation in an FL‑derived cell line...
October 5, 2016: Molecular Medicine Reports
Jianheng Wu, Linfan Li, Guangyuan Jiang, Hui Zhan, Nannan Wang
Aberrant expression of oncogenes and/or tumor suppressors play fundamental roles in the pathogenesis of glioma. B-cell CLL/lymphoma 3 (BCL3) was previously found to be a putative proto-oncogene in human cancers and the decoy receptor DcR1 is induced in a p50/Bcl3-dependent manner and attenuates the efficacy of temozolomide in glioblastoma cells. However, its expression status, clinical significance and biological functions in glioma remain largely unknown. In the present study, the levels of BCL3 were overexpressed in glioma compared to normal brain tissues...
October 12, 2016: International Journal of Oncology
Xuan J Wang, L Jeffrey Medeiros, Carlos E Bueso-Ramos, Guilin Tang, Sa Wang, Yasuhiro Oki, Parth Desai, Joseph D Khoury, Roberto N Miranda, Zhenya Tang, Nishitha Reddy, Shaoying Li
In patients with diffuse large B-cell lymphoma, MYC rearrangement (MYC-R), MYC expression, or concurrent expression of MYC and BCL2 is associated with a poorer prognosis. P53 expression also has been shown to confer inferior survival in diffuse large B-cell lymphoma patients, but less is known about the role of P53 expression in those with MYC-R, MYC expression (MYC+), or MYC&BCL2 co-expression (MYC+/BCL2+). We studied P53 expression in 201 patients with untreated de novo diffuse large B-cell lymphoma. Sixty-seven (33%) cases were P53 positive, 56 (28%) had MYC-R (including 17 MYC/BCL2 double hit lymphoma), 86 (45%) were MYC+/BCL2+, and 47 (24%) were positive for both MYC and P53...
October 14, 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
Yong Hwa Eom, Hyung Suk Kim, Ahwon Lee, Byung Joo Song, Byung Joo Chae
PURPOSE: B-cell lymphoma 2 (BCL2) is an antiapoptosis protein and an important clinical breast cancer prognostic marker. As the role of BCL2 is dependent on the estrogen receptor (ER) status, this effect might differ according to molecular subtypes. The aim of this study was to evaluate the relationship between the prognostic outcomes and BCL2 expression among the molecular subtypes. METHODS: We retrieved the data of 1,356 patients who were newly diagnosed with malignant breast cancer between November 2006 and November 2011...
September 2016: Journal of Breast Cancer
F Farabegoli, E S Scarpa, A Frati, G Serafini, A Papi, E Spisni, E Antonini, S Benedetti, P Ninfali
Vitexin-2-O-xyloside (XVX) from Beta vulgaris var. cicla L. (BVc) seeds, betaxanthin (R1) and betacyanin (R2) fractions from Beta vulgaris var. rubra L. (BVr) roots were combined and tested for cytotoxicity in CaCo-2 colon cancer cells. XVX was the most cytotoxic molecule, but the combination of XVX with R1 and R2 significantly prolonged its cytotoxicity. Cytotoxicity was mediated by the intrinsic apoptotic pathway, as shown by an increase in Bcl2-like protein 4, cleaved Poly ADP-Ribosyl Polymerase 1 and cleaved Caspase 3 levels with a parallel decrease in anti-apoptotic protein B-cell leukemia/lymphoma 2 levels...
March 1, 2017: Food Chemistry
Allison Rosenthal, Anas Younes
Diffuse large B-cell lymphomas with aberrations in MYC, BCL2 and/or BCL6 by genetic alterations or protein expression represent a group of high grade B-cell lymphomas with inferior outcomes when treated with standard RCHOP chemotherapy. As a result, intensified induction regimens have been suggested in an effort to improve outcomes. Conclusions to date have largely been drawn from retrospective data although prospective data is slowly starting to emerge. Chemoimmunotherapy refractoriness is problematic and relapse rates are high...
September 30, 2016: Blood Reviews
Atiye Seda Yar Saglam, Ebru Alp, Zubeyir Elmazoglu, Emine Sevda Menevse
The activation of the phosphatidylinositol-3 kinase/v-akt murine thymoma viral oncogene homolog (Akt) and mitogen activated protein kinase kinase/extracellular signal-regulated kinase (ERK) pathways are implicated in the majority of cancers. Selective inhibition of Akt and ERK represents a potential approach for cancer therapy. Therefore, the present study aimed to investigate the apoptotic and anti-proliferative effects of the novel and selective Akt inhibitor 4-amino-5,8-dihydro-5-oxo-8-β-D-ribofuranosyl-pyrido[2,3-d]pyrimidine-6-carboxamide (API-1) and selective ERK1/2 inhibitor FR180204 (FR) alone and in combination on colorectal cancer (CRC) cells (DLD-1 and LoVo)...
October 2016: Oncology Letters
Gilad Itchaki, Jennifer R Brown
Venetoclax (VEN, ABT-199/GDC-0199) is an orally bioavailable BH3-mimetic that specifically inhibits the anti-apoptotic B-cell lymphoma/leukemia 2 (BCL2) protein. Although BCL2 overexpression is not genetically driven in chronic lymphocytic leukemia (CLL), it is nearly universal and represents a highly important and prevalent mechanism of apoptosis evasion, making it an attractive therapeutic target. This review summarizes the role of BCL2 in CLL pathogenesis, the development path targeting its inhibition prior to VEN, and the preclinical and clinical data regarding the effectiveness and safety of VEN...
October 2016: Therapeutic Advances in Hematology
A Kawajiri, D Maruyama, A M Maeshima, J Nomoto, S Makita, H Kitahara, K-I Miyamoto, S Fukuhara, T Suzuki, W Munakata, K Tajima, J Itami, H Taniguchi, Y Kobayashi, K Tobinai
No abstract text is available yet for this article.
2016: Blood Cancer Journal
Rabab H Sayed, Muhammed A Saad, Ayman E El-Sahar
Serotonin level plays a role in suppressing the pathological findings of benign prostatic hyperplasia (BPH). Thus a new selective serotonin reuptake inhibitor, dapoxetine was used to test its ability to ameliorate the pathological changes in the rat prostate. A dose response curve was constructed between the dose of dapoxetine and prostate weight as well as relative prostate weight, then a 5mg/kg dose was used as a representative dose for dapoxetine administration. Rats were divided into four groups; the control group that received the vehicle; the BPH-induced group received daily s...
September 27, 2016: Toxicology and Applied Pharmacology
Mohammad O Hussaini, Friederike H Kreisel, Anjum Hassan, TuDung T Nguyen, John L Frater
CD4 expression is rare in diffuse large B-cell lymphoma (DLBCL), with 4 previously reported cases. Its significance is uncertain. We report five patients with CD4(+) DLBCL and one CD4(+) primary mediastinal large B-cell lymphoma. Cases were identified by searching the electronic database of the department; each was reviewed. Average age was 56 years. Neoplastic cells expressed CD20 (5/6 tested cases). BCL2/BCL6 expression were seen in 3/3 tested cases, suggesting a germinal center origin. Additionally, expression of T-cell antigens CD2 and CD5 was noted in 2/2 and CD7 in 1/1 tested case...
September 26, 2016: World Journal of Methodology
Ren-Jie Wei, Su-Shuan Lin, Wen-Ren Wu, Lih-Ren Chen, Chien-Feng Li, Han-De Chen, Chien-Ting Chou, Ya-Chun Chen, Shih-Shin Liang, Shang-Tao Chien, Yow-Ling Shiue
The objective was to investigate the upstream mechanisms of apoptosis which were triggered by a novel anti-microtubule drug, ABT-751, in hepatocellular carcinoma-derived Huh-7 cells. Effects of ABT-751 were evaluated by immunocytochemistry, flow cytometric, alkaline comet, soft agar, immunoblotting, CytoID, green fluorescent protein-microtubule associated protein 1 light chain 3 beta detection, plasmid transfection, nuclear/cytosol fractionation, coimmunoprecipitation, quantitative reverse transcription-polymerase chain reaction, small-hairpin RNA interference and mitochondria/cytosol fractionation assays...
September 24, 2016: Toxicology and Applied Pharmacology
Marco Lucioni, Emilio Berti, Luca Arcaini, Giorgio A Croci, Aldo Maffi, Catherine Klersy, Gaia Goteri, Carlo Tomasini, Pietro Quaglino, Roberta Riboni, Mariarosa Arra, Elena Dallera, Vieri Grandi, Mauro Alaibac, Antonio Ramponi, Sara Rattotti, Maria Giuseppina Cabras, Silvia Franceschetti, Giulio Fraternali-Orcioni, Nicola Zerbinati, Francesco Onida, Stefano Ascani, Maria Teresa Fierro, Serena Rupoli, Marcello Gambacorta, Pier Luigi Zinzani, Nicola Pimpinelli, Marco Santucci, Marco Paulli
Categorization of primary cutaneous B-cell lymphomas (PCBCL) other than marginal zone (MZL) represents a diagnostic challenge with relevant prognostic implications. The 2008 WHO lymphoma classification recognizes only primary cutaneous follicular center cell lymphoma (PCFCCL) and primary cutaneous diffuse large B-cell lymphoma, leg type (PCDLBCL-LT), whereas the previous 2005 WHO/EORTC classification also included an intermediate form, namely PCDLBCL, other. We conducted a retrospective, multicentric, consensus-based revision of the clinicopathologic characteristics of 161 cases of PCBCL other than MZL...
September 26, 2016: Cancer Medicine
Gwyneth Soon, Guan Wei Ow, Hian Li Chan, Siok Bian Ng, Shi Wang
Primary cardiac lymphoma (PCL) is a rare extranodal lymphoma that involves only the heart and/or pericardium. Primary cardiac lymphoma is much less common in immunocompetent patients compared with those who are immunosuppressed. Patients with PCL have variable clinical manifestations that may lead to misdiagnosis and delay in treatment. Modern radiologic imaging now allows for earlier detection of these tumors. This study describes the clinical, histologic/cytologic, immunophenotypic, and molecular genetic findings for 3 immunocompetent patients with primary cardiac diffuse large B-cell lymphoma...
October 2016: Annals of Diagnostic Pathology
Xin He, Shu-Yu Wang, Cheng-Hong Yin, Tong Wang, Chan-Wei Jia, Yan-Min Ma
BACKGROUND: Premature ovarian failure (POF) is a disease that affects female fertility but has few effective treatments. Ovarian reserve function plays an important role in female fertility. Recent studies have reported that hydrogen can protect male fertility. Therefore, we explored the potential protective effect of hydrogen-rich water on ovarian reserve function through a mouse immune POF model. METHODS: To set up immune POF model, fifty female BALB/c mice were randomly divided into four groups: Control (mice consumed normal water, n = 10), hydrogen (mice consumed hydrogen-rich water, n = 10), model (mice were immunized with zona pellucida glycoprotein 3 [ZP3] and consumed normal water, n = 15), and model-hydrogen (mice were immunized with ZP3 and consumed hydrogen-rich water, n = 15) groups...
2016: Chinese Medical Journal
Fahimeh Asadi-Amoli, Zohreh Nozarian, Hirbod Nasiri Bonaki, Vahid Mehrtash, Samaneh Entezari
BACKGROUND: The most common type of ocular lymphoma is non-Hodgkin lymphoma (NHL), categorized into two groups: indolent (slow growing) and aggressive (rapid growing). Differentiating benign reactive lymphoid hyperplasia (RLH) from malignant ocular adnexal lymphoma (OAL) is challenging. Histopathology, immunohistochemistry (IHC) and ow cytometry have been used as diagnostic tools in such cases. MATERIALS AND METHODS: In this retrospective case series, from 2002 to 2013 at Farabi Eye Center, 110 patients with ocular lymphoproliferative disease were enrolled...
2016: Asian Pacific Journal of Cancer Prevention: APJCP
Xin Tian, Yongfeng Shi, Ning Liu, Youyou Yan, Tianyi Li, Peiyan Hua, Bin Liu
Hyperhomocysteinemia is characterized by an abnormally high level of homocysteine (Hcy) in the blood and is associated with cardiovascular diseases such as atherosclerosis. Endothelial dysfunction may lead to the pro-atherogenic effects associated with hyperhomocysteinemia. Endothelial dysfunction induced by Hcy has been previously investigated; however, the underlying molecular mechanism remains to be fully elucidated. The present study investigated whether death-associated protein kinase (DAPK) is involved in Hcy‑induced apoptosis in human umbilical vein endothelial cells (HUVECs)...
September 12, 2016: Molecular Medicine Reports
Mirei Horiuchi, Hoyuri Fuseya, Minako Tsutsumi, Yoshiki Hayashi, Kiyoyuki Hagihara, Hiroshi Kanashima, Takafumi Nakao, Yuko Fukushima, Takeshi Inoue, Takahisa Yamane
Double-hit lymphomas are rare tumors that are defined by a chromosomal breakpoint affecting the MYC/8q24 locus in combination with another recurrent breakpoint, mainly a t(14; 18)(q32;q21)involving BCL2. We report a case of a 38-yearold woman with a 2-month history of abdominaldistention. 18F-FDG PET showed multiple positive systemic lymph nodes, positive peritoneum, and multiple positive intra-abdominal masses. Histopathology results of the cervical lymph node were compatible with double-hit follicular lymphoma(Grade 3A)because fluorescence in situ hybridization(FISH)demonstrated both MYC rearrangement and BCL2 gene fusion...
September 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
Lei Chen, Lika'a Fasih Y Al-Kzayer, Tingting Liu, Norimoto Kobayashi, Yozo Nakazawa, Kenichi Koike
IRF4/MUM1-positive lymphoma is a new subgroup of germinal center-derived B-cell lymphoma, predominantly involving the Waldeyer ring (WR) in children. CD5 expression is rare in these lymphomas. We report a 7-year-old Chinese male with B-cell lymphoma. Evaluation of his specimen by morphology, immunohistochemistry, and FISH analysis demonstrated IRF4/MUM1-positive lymphoma with strong and extensive CD5 and CD10 positivity. Despite the lack of t(14;18)(q32;q21) rearrangement, BCL2 protein was expressed. Our report highlights the clinicopathologic features of IFR4/MUM1-positive lymphoma in WR with co-expression of CD5 and CD10, and thereby provides insight into this newly recognized disease entity...
September 12, 2016: Pediatric Blood & Cancer
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