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https://www.readbyqxmd.com/read/28731262/nephroprotective-effects-of-anthocyanin-from-the-fruits-of-panax-ginseng-gfa-on-cisplatin-induced-acute-kidney-injury-in-mice
#1
Zhen-Lan Qi, Zi Wang, Wei Li, Jin-Gang Hou, Ying Liu, Xin-Dian Li, Hui-Ping Li, Ying-Ping Wang
Cisplatin is an effective anticancer chemotherapeutic agent, but the use of cisplatin in the clinic is severely limited by side effects. Nephrotoxicity is a major factor that contributes to the side effects of cisplatin chemotherapy. The aim of this research was to survey the nephroprotective effects of anthocyanin from the fruits of Panax ginseng (GFA) in a murine model of cisplatin-induced acute kidney injury. We observed that pretreatment with GFA attenuated cisplatin-induced elevations in blood urea nitrogen and creatinine levels and histopathological injury induced by cisplatin...
July 21, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28730642/myc-expression-and-translocation-analyses-in-low-grade-and-transformed-follicular-lymphoma
#2
S M Aukema, R van Pel, I Nagel, S Bens, R Siebert, S Rosati, E van den Berg, A G Bosga-Bouwer, R E Kibbelaar, M Hoogendoorn, G W van Imhoff, J C Kluin-Nelemans, P M Kluin, M Nijland
Low grade follicular lymphoma (FL1/2) has an annual risk of transformation of approximately 3% which is associated with aberrations in CDKN2A/B, TP53 and MYC. Like in DLBCL high MYC expression in transformed FL (tFL) might predict a MYC breakpoint. We quantified MYC expression by immunohistochemistry and digital analysis in 41 paired biopsies from 20 patients with FL1/2 with subsequent transformation and in 4 isolated biopsies of tFL. As controls 28 biopsies of FL1/2 without transformation (median follow up 105 months) and 9 FL3A/B were analyzed...
July 21, 2017: Histopathology
https://www.readbyqxmd.com/read/28716711/epigenetic-silencing-of-mirna-143-regulates-apoptosis-by-targeting-bcl2-in-human-intervertebral-disc-degeneration
#3
Kangcheng Zhao, Yukun Zhang, Kang Liang, Yu Song, Kun Wang, Shuai Li, Xinghuo Wu, Wenbin Hua, Zengwu Shao, Shuhua Yang, Cao Yang
Accumulating evidence indicates that microRNAs can regulate the apoptosis of various cells. Apoptosis of nucleus pulposus cells plays an important role in the progression of intervertebral disc degeneration. The aim of this study is to investigate whether microRNA-143 (miRNA-143) is involved in the progression of intervertebral disc degeneration. In this study, the expression of miRNA-143 and its biological modulatory effects were examined. Messenger RNA and protein expression of miRNA-143 and B-cell lymphoma-2 (BCL2) in both normal and degenerative disc tissues was determined by using RT-PCR and western-blot assays...
July 14, 2017: Gene
https://www.readbyqxmd.com/read/28712322/is-now-the-time-for-molecular-driven-therapy-for-diffuse-large-b-cell-lymphoma
#4
Alice Di Rocco, Federico De Angelis, Michela Ansuinelli, Robin Foà, Maurizio Martelli
Recent genetic and molecular discoveries regarding alterations in diffuse large B-cell lymphoma (DLBCL) deeply changed the approach to this lymphoproliferative disorder. Novel additional predictors of outcomes and new therapeutic strategies are being introduced to improve outcomes. Areas covered: This review aims to analyse the recent molecular discoveries in DLBCL, the rationale of novel molecular driven treatments and their impact on DLBCL prognosis, especially in ABC-DLBCL and High Grade B Cell Lymphoma...
July 17, 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/28711572/emerging-strategies-in-treating-double-hit-lymphomas
#5
REVIEW
Chadi Nabhan, Anthony R Mato
Double hit lymphomas (DHLs) are a new category in the World Health Organization newest classification for lymphoid malignancies. DHL encompasses various histologies of lymphomas where the MYC oncogene and either BCL2 or BCL6 oncogenes are present concomitantly. Several observational studies and retrospective series have demonstrated that patients with DHL carry a poor prognosis and respond less and for a shorter duration to standard R-CHOP (rituximab, cyclophosphamide, vincristine, adriamycin, and prednisone)...
June 21, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28706485/the-combination-of-rituximab-and-bendamustine-as-first-line-treatment-is-highly-effective-in-the-eradicating-minimal-residual-disease-in-follicular-lymphoma-an-italian-retrospective-study
#6
Sara Galimberti, Elena Ciabatti, Giacomo Ercolano, Susanna Grassi, Francesca Guerrini, Nadia Cecconi, Martina Rousseau, Giulia Cervetti, Francesco Mazziotta, Lorenzo Iovino, Franca Falzetti, Flavio Falcinelli, Alberto Bosi, Luigi Rigacci, Sofia Kovalchuk, Daniele Vallisa, Lucia Macchia, Eugenio Ciancia, Mario Petrini
R-Bendamustine is an effective treatment for follicular lymphoma (FL). Previous large trials demonstrated the prognostic role of the molecular minimal residual disease (MRD) during the most frequently adopted chemotherapeutic regimens, but there are not yet conclusive data about the effect of combination of rituximab (R) and bendamustine in terms of MRD clearance. Thus, the aim of this retrospective study was to assess if and in what extent the combination of rituximab and bendamustine would exert a significant reduction of the molecular disease in 48 previously untreated FL patients...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28693259/rktg-overexpression-inhibits-proliferation-and-induces-apoptosis-of-human-leukemia-cells-via-suppression-of-the-erk-and-pi3k-akt-signaling-pathways
#7
Yingdong Xu, Na Deng, Xiaoou Wang, Yinghui Chen, Guiji Li, Hua Fan
Raf kinase trapping to Golgi (RKTG) is reported to be a tumor suppressor in a number of solid tumors due to its negative modulation of the Ras/Raf/mitogen-activated protein kinase kinase/extracellular signal-regulated kinase (ERK) pathways. However, the role of RKTG in the progression of leukemia remains unknown. In the present study, a human leukemia U937 cell line overexpressing RKTG was established, and the effect of RKTG on proliferation, cell cycle and apoptosis of human leukemia cells was analyzed. The results of the present study demonstrated that exogenous overexpression of RKTG significantly inhibited cell proliferation, which was accompanied by cell cycle arrest...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28693188/consecutive-stimulation-of-hbsag-promotes-the-viability-of-the-human-b-lymphoblastoid-cell-line-im-9-through-regulating-the-sirt1-nf-%C3%AE%C2%BAb-pathway
#8
Jian Bo, Xiaojuan Wang, Jie Li, Wenqing Wang, Jinqian Zhang
Patients with chronic HBV infection have been reported to suffer a significantly increased risk of NHL, but the underlying mechanisms remain to be clearly explained. The aim of the present study was to clarify the relationship between chronic HBV infection and NHL development. Fluorescence-activated cell sorting, Annexin V/7-aminoactinomycin D staining and MTS assay were used to analyze the rate of apoptosis and cell viability. In addition, western blotting was used to detect protein expression. The effects of the activator of SIRT1, SRT1720, and the inhibitor of SIRT1, nicotinamide, were also analyzed...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28682901/downregulation-of-smac-attenuates-h2o2-induced-apoptosis-via-endoplasmic-reticulum-stress-in-human-lens-epithelial-cells
#9
Kong De-Qian, Liu Yue, Li Li, Zheng Guangying
BACKGROUND: Second mitochondria-derived activator of caspases (Smac) is reported to promote apoptosis. Given the important role of apoptosis in cataract development, the aim of this study was to investigate whether Smac induces human lens epithelial cell (HLEC) apoptosis via endoplasmic reticulum stress (ERS). METHODS: Smac expression was examined by immunohistochemistry in anterior lens capsules from 157 patients with age-related cataracts and 5 normal controls...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28680000/genetic-heterogeneity-of-dlbcl-not-otherwise-specified
#10
Kennosuke Karube
Diffuse large B-cell lymphoma (DLBCL), not otherwise specified, is the most common malignant lymphoma in the world. The recent progress of molecular techniques has proved its heterogeneity. Gene expression profiling for DLBCL, recently achieved using formalin-fixed paraffin-embedded samples, has identified two molecular subtypes, according to their cell of origin correlated with prognosis. Genomic abnormalities are roughly divided into translocations, amplifications/deletions, and mutations. Translocations involving MYC and BCL2 frequently co-occur in 5%-10% of DLBCL and are associated with aggressive clinical behavior with poor outcomes...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28679988/follicular-lymphoma-with-plasmacytic-differentiation-accompanied-by-monoclonal-igg-gammopathy
#11
Tomomi Oka, Masayuki Kobayashi, Takaya Komori, Hirokazu Nakamine, Toshiyuki Kitano, Masakatsu Hishizawa, Tadakazu Kondoh, Kouhei Yamashita, Akifumi Takaori-Kondo
A 59-year-old woman presented with high serum total protein, detected on a screening examination. Laboratory tests revealed high plasma levels of M-protein (IgG-λ), and FDG-PET/CT revealed systemic lymph node swelling and a large tumorous mass in the abdominal cavity. Bone marrow aspirates contained 8.4% plasma cells and approximately 30% abnormal small lymphocytes. A biopsy of the left supraclavicular lymph node was initially interpreted as lymphoplasmacytic lymphoma (LPL). However, chromosomal analysis of the lymph node demonstrated an unusual karyotype with t (14;18) (q32;q21)...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28672935/next-generation-sequencing-reveals-lymph-node-metastasis-associated-genetic-markers-in-colorectal-cancer
#12
Ni Xie, Yujiang Yao, Lili Wan, Ting Zhu, Litao Liu, Jianhui Yuan
Colorectal cancer is the third most prevalent type of cancer in the United States. Early diagnosis of lymph node metastases is essential to improve the prognosis for patients with colorectal cancer. Therefore, the present study aimed to screen genetic markers, including single nucleotide polymorphisms (SNPs), copy number variations (CNVs) and mRNA expression, associated with lymph node metastases in patients with colorectal cancer to enable an early diagnosis. Targeted next-generation sequencing was applied to capture SNPs and CNVs in tumor-related candidate genes within tumor tissues from 39 colorectal cancer patients; reverse transcription-quantitative polymerase chain reaction was used to detect the specific mRNA level of tumor-related candidate genes, including vascular endothelial growth factor C, cyclin-A2, Interleukin-2, ATP-binding cassette sub-family G member 2, epidermal growth factor (EGF) and nuclear factor kappa B subunit 1 (NFKB1) on chromosome 4...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28666825/triptonide-acts-as-a-novel-potent-anti-lymphoma-agent-with-low-toxicity-mainly-through-inhibition-of-proto-oncogene-lyn-transcription-and-suppression-of-lyn-signal-pathway
#13
Ping Yang, Fulu Dong, Quansheng Zhou
Lyn is a proto-oncogene overexpressed and constitutively activated in lymphoma, and plays an important role in lymphoma initiation and malignant progression. Hence, the oncogenic Lyn has recently been targeted for novel anti-lymphoma drug discovery; however, the effective Lyn-targeted drug for lymphoma treatment with low toxicity is absent in the clinical setting. The goal of this study is to explore powerful and low toxic Lyn-targeted anti-lymphoma agent. Here we show that triptonide, a small molecule purified from the herb Tripterygium wilfordii Hook F, potently inhibits the proliferation of human B-lymphoma Raji and T-lymphoma Jurkat cells with IC50 of 5...
June 27, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28663582/bet-protein-proteolysis-targeting-chimera-protac-exerts-potent-lethal-activity-against-mantle-cell-lymphoma-cells
#14
B Sun, W Fiskus, Y Qian, K Rajapakshe, K Raina, K G Coleman, A P Crew, A Shen, D T Saenz, C P Mill, A J Nowak, N Jain, L Zhang, M Wang, J D Khoury, C Coarfa, C M Crews, K N Bhalla
Bromodomain extraterminal protein (BETP) inhibitors transcriptionally repress oncoproteins and NFkB target genes, which undermines the growth and survival of MCL cells. However, BETi treatment causes accumulation of BETPs, associated with reversible binding and incomplete inhibition of BRD4, which potentially compromises the activity of BETi in MCL cells. Unlike BETi, BET-PROTACs (proteolysis-targeting chimera) ARV-825 and ARV-771 (Arvinas, Inc.) recruit and utilize an E3-ubiquitin ligase to effectively degrade BETPs in MCL cells...
June 30, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28655658/multifunctional-peptide-lipid-nanocomplexes-for-efficient-targeted-delivery-of-dna-and-sirna-into-breast-cancer-cells
#15
Yu Wan, Wei Dai, Reshma J Nevagi, Istvan Toth, Peter M Moyle
The development of carriers for the delivery of oligonucleotide therapeutics is essential for the successful translation of gene therapies to the clinic. In the present study, a delivery system, which combines the fusogenic lipid 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine (DOPE) with a well-defined synthetic multifunctional peptide, was produced and optimized for gene delivery, with the aim to develop an efficient gene delivery platform for breast cancer cells. For this purpose, a breast cancer-specific cell targeting peptide (CTP) was incorporated into our leading peptide-based gene delivery system (to generate DEN-K(GALA)-TAT-K(STR)-CTP) to improve its cell-specific internalization, and investigated in combination with a formulation approach (DOPE/1,2-dioleoyl-3-trimethylammonium-propane (DOTAP))...
June 24, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28653191/microrna-dysregulation-to-identify-novel-therapeutic-targets
#16
Carlo M Croce
This paper describes how we discovered the juxtaposition of the MYC gene to the human immunoglobulin loci and how that finding was extended to characterize molecularly the t(14;18) chromosome translocation of follicular lymphoma and to clone the BCL2 gene. BCL2 is also overexpressed in CLL, the most common human leukemia. We discovered that most of human CLLs have a deletion of two microRNAs residing in the same polycistronic RNA, miR-15a and miR-16-1, and that these two microRNAs are negative regulators of BCL2...
June 27, 2017: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/28652615/gga-mir-219b-targeting-bcl11b-suppresses-proliferation-migration-and-invasion-of-marek-s-disease-tumor-cell-msb1
#17
Chunfang Zhao, Xin Li, Bo Han, Zhen You, Lujiang Qu, Changjun Liu, Jiuzhou Song, Ling Lian, Ning Yang
Marek's disease (MD), caused by Marek's disease virus (MDV), is a lymphotropic neoplastic disease. Previous miRNAome analysis showed gga-miR-219b was significantly downregulated in MDV-induced lymphoma, and one of its potential target genes, B-cell chronic lymphocytic /lymphoma 11B (BCL11B) was predicted. In this study, we further investigated the function of gga-miR-219b, and the gain/loss of function assay showed gga-miR-219b inhibited cell migration and reduced cell proliferation by promoting apoptosis not by cell cycle arrest...
June 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28648593/myc-rearranged-lymphomas-other-than-burkitt-comparison-between-r-chop-and-burkitt-type-immunochemotherapy
#18
Maria Joao Baptista, Gustavo Tapia, José-Ángel Hernández-Rivas, Alejandra Martínez-Trillos, José-Luis Mate, José-Tomás Navarro
BACKGROUND AND OBJECTIVE: MYC-rearranged (MYC-R) lymphomas other than Burkitt lymphoma (BL) are very aggressive, with poor prognosis when treated with standard regimens. We aimed to study the characteristics and outcome of a series of MYC-R lymphomas comparing the treatment results between R-CHOP based and a specific intensive regimen for BL (BURKIMAB). PATIENTS AND METHODS: Retrospective study of patients diagnosed with MYC-R. Translocations of MYC, BCL2 and BCL6 were evaluated by fluorescent in situ hybridization...
June 22, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28644138/comparative-analysis-of-primary-versus-relapse-refractory-dlbcl-identifies-shifts-in-mutation-spectrum
#19
Danielle M Greenawalt, Winnie S Liang, Sakina Saif, Justin Johnson, Petar Todorov, Austin Dulak, Daniel Enriquez, Rebecca Halperin, Ambar Ahmed, Vladislav Saveliev, John Carpten, David Craig, J Carl Barrett, Brian Dougherty, Michael Zinda, Stephen Fawell, Jonathan R Dry, Kate Byth
Current understanding of the mutation spectrum of relapsed/refractory (RR) tumors is limited. We performed whole exome sequencing (WES) on 47 diffuse large B cell lymphoma (DLBCL) tumors that persisted after R-CHOP treatment, 8 matched to primary biopsies. We compared genomic alterations from the RR cohort against two treatment-naïve DLBCL cohorts (n=112). While the overall number and types of mutations did not differ significantly, we identified frequency changes in DLBCL driver genes. The overall frequency of MYD88 mutant samples increased (12% to 19%), but we noted a decrease in p...
June 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28643758/effects-of-ef-24-rad001-and-paclitaxel-on-the-expression-profiles-of-apoptotic-and-anti-apoptotic-genes
#20
Ebru Alp, Akin Yilmaz, Hacer Ilke Onen, Emine Sevda Menevse
CONTEXT: Cancer cells exert differential responses to chemotherapeutics and inhibitors. To the best of our knowledge, a few or no research has been performed until now to determine the effect of EF-24 and RAD001 on MDA-MB-231 breast cancer cells with regard to mRNA expression of apoptotic and anti-apoptotic genes. AIMS: In this study, we aimed to investigate the mRNA expression levels of apoptotic (caspase 2 [CASP2], CASP8, and CASP9) and anti-apoptotic (B-cell lymphoma 2 [BCL2] and BCL2-like protein 1 [BCL2L1]) genes after exposure to paclitaxel, EF-24, and RAD001 in MDA-MB-231 cells...
April 2017: Journal of Cancer Research and Therapeutics
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