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https://www.readbyqxmd.com/read/28081541/circular-rna-0000096-affects-cell-growth-and-migration-in-gastric-cancer
#1
Peifei Li, Huilin Chen, Shengcan Chen, Xiaoyan Mo, Tianwen Li, Bingxiu Xiao, Rui Yu, Junming Guo
BACKGROUND: Circular RNAs (circRNAs) are a class of non-coding RNAs broadly expressed in cells of various species. Their role in cancers, especially in gastric cancer, is poorly understood. METHODS: Circular RNA 0000096 (hsa_circ_0000096) levels in 101 paired gastric cancer tissues and adjacent non-tumorous tissues from patients with gastric cancer were detected by real-time quantitative reverse transcription-polymerase chain reaction. A receiver operating characteristic curve was generated to evaluate the diagnostic value of hsa_circ_0000096...
January 12, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28068868/mir-26a-mediates-adipogenesis-of-amniotic-fluid-mesenchymal-stem-stromal-cells-via-pten-cyclin-e1-and-cdk6
#2
Ourania Trohatou, Dimitra Zagoura, Nikos Orfanos, Kalliopi I Pappa, Evangelos Marinos, Nicholas Anagnou, Maria G Roubelakis
Recent findings indicate that microRNAs (miRNAs) are critical for the regulatory network of adipogenesis in human mesenchymal stem/stromal cells (MSCs). Fetal MSCs derived from amniotic fluid (AF-MSCs) represent a population of multipotent stem cells characterized by a wide range of differentiation properties that can be applied in cell-based therapies. In this study, miRNA microarray analysis was performed to assess miRNA expression in terminal differentiated AF-MSCs into adipocyte-like cells (AL cells). MiR-26a was identified in high expression levels in AL cells indicating a critical role in the process of adipogenesis...
January 9, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28067449/13cra-regulates-the-differentiation-of-antler-chondrocytes-through-targeting-runx3
#3
Hong-Liang Zhang, Hang Cao, Zhan-Qing Yang, Shuang Geng, Kai Wang, Hai-Fan Yu, Bin Guo, Zhan-Peng Yue
Although 13cRA is involved in the regulation of cellular proliferation and differentiation, its physiological roles in chondrocyte proliferation and differentiation still remain unknown. Here we showed that 13cRA could induce the proliferation of sika deer antler chondrocytes and expression of Ccnd3 and Cdk6. Administration of 13cRA to antler chondrocytes resulted in an obvious increase in the expression of chondrocyte marker Col II and hypertrophic chondrocyte marker Col X. Silencing of Crabp2 expression by specific siRNA could prevent the 13cRA-induced up-regulation of Col X, whereas overexpression of Crabp2 showed the opposite effects...
January 9, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28051259/microrna-145-inhibits-tumour-growth-and-metastasis-in-osteosarcoma-by-targeting-cyclin-dependent-kinase-cdk6
#4
Y Li, J Liu, Z-Z Liu, W-B Wei
OBJECTIVE: Osteosarcoma (OS) is reported to be one of the most familiar forms of the primary malignant tumor to adolescents and adults, which is usually found in their long bones. Evidence and data have shown that abnormality in micro-RNA expression is closely related to tumorigenesis. The aim of this study is to investigate the expression, function and underlying mechanism of miR-145 in OS. MATERIALS AND METHODS: MiR-145 expression in tumor tissues of patients and cell lines were detected by SYBR green qPCR...
December 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28035411/ellagic-acid-inhibits-human-glioblastoma-growth-in%C3%A2-vitro-and-in%C3%A2-vivo
#5
Dongliang Wang, Qianxue Chen, Yinqiu Tan, Baohui Liu, Chao Liu
Ellagic acid (EA) is present in various fruits and plants and has recently been found to possess anticarcinogenic effects. The objective of this study was to investigate the anti‑glioblastoma effect of EA and its mechanisms in vitro and in vivo. We first studied the anticancer activity of EA in U87 and U118 human glioblastoma cell lines. The cell viability and cell proliferation were examined by Cell Counting Kit-8 (CCK-8) assay and 5-ethynyl-2'-deoxyuridine staining respectively. The cell cycle was detected with propidium iodide staining method by flow cytometry and the DNA damage of the cells caused by EA exposure was evaluated by detection of γ-H2AX foci...
December 22, 2016: Oncology Reports
https://www.readbyqxmd.com/read/28031235/htp-nutraceutical-screening-for-histone-deacetylase-inhibitors-and-effects-of-hdacis-on-tumor-suppressing-mirnas-by-trichostatin-a-and-grapeseed-vitis-vinifera-in-hela-cells
#6
Elizabeth A Mazzio, Karam F A Soliman
BACKGROUND/AIM: Aggressive tumor malignancies are a consequence of delayed diagnosis, epigenetic/phenotype changes and chemo-radiation resistance. Histone deacetylases (HDACs) are a major epigenetic regulator of transcriptional repression, which are highly overexpressed in advanced malignancy. While original chemotherapy drugs were modeled after phytochemicals elucidated by botanical screenings, HDAC inhibitors (HDACi) such as apicidin, trichostatin A (TSA) and butyrate were discovered as products of fungus and microbes, in particular, gut microbiota...
January 2017: Cancer Genomics & Proteomics
https://www.readbyqxmd.com/read/28024472/-effect-of-brd4-inhibitor-gsk525762a-on-proliferation-and-apoptosis-of-sup-b15-cells-in-vitro-and-its-possible-mechanism
#7
Xue Wang, Na Qi, Sha Ma, Zhi-Ling Yan, Qing-Yun Wu, Lin Wang, Chong Chen, Kai-Lin Xu
OBJECTIVE: To investigate the effect of BRD4 inhibitor GSK525762A on the proliferation and apoptosis of Philadelphia chromosome-positive acute lymphoblastic leukemia SUP-B15 cells and its mechanism. METHODS: SUP-B15 cells were treated with different concentration of GSK525762A, the proliferation-inhibition curve was assayed and plotted by CCK-8 method, the cell viability and apoptosis were detected by flow cytometry with Annexin V and 7-AAD staining. The transcripts of anti-apoptotic genes C-MYC, CDK6 and BCL-2 were detected by real-time PCR...
December 2016: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28004111/col11a1-is-overexpressed-in-gastric-cancer-tissues-and-regulates-proliferation-migration-and-invasion-of-hgc-27-gastric-cancer-cells-in%C3%A2-vitro
#8
Aiqing Li, Jun Li, Jinping Lin, Wei Zhuo, Jianmin Si
The role of COL11A1 in carcinogenesis is increasingly recognized. However, the biological role and potential mechanisms of COL11A1 in gastric cancer have not been elucidated. In the present study, the COL11A1 mRNA expression in 57 patients with gastric cancer was measured by reverse transcription quantitative PCR (RT-qPCR), and the biological effects of COL11A1 suppression were determined using MTS, monolayer colony formation, flow cytometry and Transwell assays. In addition, the potential molecular mechanisms of COL11A1 in gastric cancer were analyzed by western blotting and cDNA microarray analysis...
January 2017: Oncology Reports
https://www.readbyqxmd.com/read/27998958/bisphenol-a-and-its-analogues-disrupt-centrosome-cycle-and-microtubule-dynamics-in-prostate-cancer
#9
Shuk-Mei Ho, Rahul Rao, Sarah To, Emma Schoch, Pheruza Tarapore
Humans are increasingly exposed to structural analogues of bisphenol A (BPA), as BPA is being replaced by these compounds in BPA-free consumer products. We have previously shown that chronic and developmental exposure to BPA is associated with increased prostate cancer (PCa) risk in human and animal models. Here, we examine whether exposure of PCa cells (LNCaP, C4-2) to low-dose BPA and its structural analogues (BPS, BPF, BPAF, TBBPA, DMBPA and TMBPA) affects centrosome amplification (CA), a hallmark of cancer initiation and progression...
February 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/27991703/risk-assessment-via-metabolism-and-cell-growth-inhibition-in-a-hepg2-c3a-cell-line-upon-treatment-with-arpadol-and-its-active-component-harpagoside
#10
Bruna Isabela Biazi, Gláucia Fernanda Rocha D'Epiro, Thalita Alves Zanetti, Marcelo Tempesta de Oliveira, Lucia Regina Ribeiro, Mário Sérgio Mantovani
Harpagophytum procumbens (Hp) has been used as antiinflammatory and analgesic agent for the treatment of rheumatic diseases. The principal active component of Hp is harpagoside (HA). We tested the toxicity of this new therapeutic agent in a hepatic cell line (HepG2/C3A). Hp was found to be cytotoxic, and HA was found to decrease the number of cells in S phase, increase the number of cells in G2/M phase and induce apoptosis. Neither Hp nor HA was genotoxic. The expression of CDK6 and CTP3A4 was reduced by Hp, and both HA and Hp caused a significant reduction of CYP1A2 and CYP3A4 expression...
December 19, 2016: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/27986745/dual-alk-and-cdk4-6-inhibition-demonstrates-on-target-synergy-against-neuroblastoma
#11
Andrew Wood, Kateryna Krytska, Hannah T Ryles, Nicole R Infarinato, Renata Sano, Theodore D Hansel, Lori S Hart, Frederick King, Timothy R Smith, Edward Ainscow, Kathryn B Grandinetti, Tove Tuntland, Sunkyu Kim, Giordano Caponigro, You-Qun He, Shiva Krupa, Nanxin Li, Jennifer Harris, Yael P Mosse
PURPOSE: Anaplastic Lymphoma Kinase (ALK) is the most frequently mutated oncogene in the pediatric cancer neuroblastoma. We performed an in vitro screen for synergistic drug combinations that target neuroblastomas with mutations in ALK to determine if drug combinations could enhance anti-tumor efficacy. EXPERIMENTAL DESIGN: We screened combinations of eight molecularly targeted agents against seventeen comprehensively characterized human neuroblastoma-derived cell lines...
December 16, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27965937/hhex-a-crosstalker-between-hcmv-infection-and-proliferation-of-vsmcs
#12
Lingfang Li, Meitong Liu, Leitao Kang, Yifan Li, Ziyu Dai, Bing Wang, Shuiping Liu, Liyu Chen, Yurong Tan, Guojun Wu
Objective: The study was designed to evaluate the role of Human cytomegalovirus (HCMV) infection on homebox (HOX) gene expression and the effects of overexpression of HOX genes on proliferation and apoptosis of vascular smooth muscle cells (VSMCs). Methods: Viral infection was verified by observation of cytopathic effects through inverted microscopy, viral particles by electron microscopy and HCMV IE gene amplification by RT-PCR. cDNA profiling technology was used to screen expression of HOX genes after HCMV infection in VSMCs...
2016: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/27960642/the-role-of-cdkn2a-b-deletions-in-pediatric-acute-lymphoblastic-leukemia
#13
P Carrasco Salas, L Fernández, M Vela, D Bueno, B González, J Valentín, P Lapunzina, A Pérez-Martínez
The CDKN2A/B genes in the 9p21 chromosomal region are frequently involved in human cancer, including pediatric acute lymphoblastic leukemia (ALL). These genes encode 3 proteins that belong to the RB1 and TP53 pathways and act as tumor suppressors by regulating the G1/S checkpoint of the cell cycle. The prognostic value of deletions in the CDKN2A/B locus in ALL is controversial in part due to the limitations of the methodologies used. Further studies with advanced technologies are needed for elucidation. Future studies would also highlight whether CDK4/CDK6 selective inhibitors might be useful therapies for children with these genetic aberrations...
October 2016: Pediatric Hematology and Oncology
https://www.readbyqxmd.com/read/27959592/cdk4-and-cdk6-inhibition-in-breast-cancer-a-new-standard
#14
EDITORIAL
Antonio C Wolff
No abstract text is available yet for this article.
17, 2016: New England Journal of Medicine
https://www.readbyqxmd.com/read/27959407/low-dose-irradiation-promotes-proliferation-of-the-human-breast-cancer-mda-mb-231-cells-through-accumulation-of-mutant-p53
#15
Si-Jie Li, Xin-Yue Liang, Hai-Jun Li, Wei Li, Lei Zhou, Hua-Qiu Chen, Song-Gen Ye, De-Hai Yu, Jiu-Wei Cui
Low-dose irradiation (LDIR) has been proven to have differential biological effects on normal mammalian somatic cells and cancer cells. Our previous study showed that p53 gene status is a critical factor regulating the effect of LDIR on cancer cells. We investigated the effect of LDIR on the breast cancer cell line MDA-MB-231 that harbors a mutant p53 gene, and the normal breast fibroblast cell line Hs 578Bst. In the present study, we showed that 150 mGy LDIR pormoted growth of MDA-MB-231 cells but not Hs 578Bst cells...
January 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/27939057/advances-in-the-treatment-of-advanced-oestrogen-receptor-positive-breast-cancer
#16
REVIEW
Nicholas C Turner, Patrick Neven, Sibylle Loibl, Fabrice Andre
Oestrogen-receptor-positive breast cancer is the most common subtype of breast cancer. Endocrine therapies that target the dependence of this subtype on the oestrogen receptor have substantial activity, yet the development of resistance to therapy is inevitable in advanced cancer. Major progress has been made in identifying the drivers of oestrogen-receptor-positive breast cancer and the mechanisms of resistance to endocrine therapy. This progress has translated into major advances in the treatment of advanced breast cancer, with several targeted therapies that enhance the efficacy of endocrine therapy; inhibitors of mTOR and inhibitors of the cyclin-dependent kinases CDK4 and CDK6 substantially improve progression-free survival...
December 6, 2016: Lancet
https://www.readbyqxmd.com/read/27937072/altered-expression-of-g1-s-phase-cell-cycle-regulators-in-placental-mesenchymal-stromal-cells-derived-from-preeclamptic-pregnancies-with-fetal-placental-compromise
#17
Anna Maria Nuzzo, Domenica Giuffrida, Bianca Masturzo, Paolo Mele, Ettore Piccoli, Carola Eva, Tullia Todros, Alessandro Rolfo
Herein, we evaluated whether Placental Mesenchymal Stromal Cells (PDMSCs) derived from normal and Preeclamptic (PE) placentae presented differences in the expression of G1/S-phase regulators p16(INK4A), p18(INK4C), CDK4 and CDK6. Finally, we investigated normal and PE-PDMSCs paracrine effects on JunB, Cyclin D1, p16(INK4A), p18(INK4C), CDK4 and CDK6 expressions in physiological term villous explants. PDMSCs were isolated from physiological (n = 20) and PE (n = 24) placentae. Passage three normal and PE-PDMSC and conditioned media (CM) were collected after 48h...
December 12, 2016: Cell Cycle
https://www.readbyqxmd.com/read/27922672/2-methoxycinnamaldehyde-inhibits-the-tnf-%C3%AE-induced-proliferation-and-migration-of-human-aortic-smooth-muscle-cells
#18
Young-Hee Jin, Soo-A Kim
The abnormal proliferation and migration of vascular smooth muscle cells (VSMCs) is a crucial event in the development of atherosclerosis, and tumor necrosis factor-α (TNF-α) is actively involved in this process by enhancing the proliferation and migration of VSMCs. 2-Methoxycinnamaldehyde (MCA) is a natural compound of Cinnamomum cassia. Although 2-hydroxycinnamaldehyde (HCA), another compound from Cinnamomum cassia, has been widely studied with regard to its antitumor activity, MCA has not attracted researchers' interest due to its mild toxic effects on cancer cells and its mechanisms of action remain unknown...
January 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27915416/opposing-effects-on-the-cell-cycle-of-t-lymphocytes-by-fbxo7-via-cdk6-and-p27
#19
Shachi P Patel, Suzanne J Randle, Sarah Gibbs, Anne Cooke, Heike Laman
G1 phase cell cycle proteins, such as cyclin-dependent kinase 6 (Cdk6) and its activating partners, the D-type cyclins, are important regulators of T-cell development and function. An F-box protein, called F-box only protein 7 (Fbxo7), acts as a cell cycle regulator by enhancing cyclin D-Cdk6 complex formation and stabilising levels of p27, a cyclin-dependent kinase inhibitor. We generated a murine model of reduced Fbxo7 expression to test its physiological role in multiple tissues and found that these mice displayed a pronounced thymic hypoplasia...
December 3, 2016: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/27894814/tanshinone-iia-induced-cell-death-via-mir30b-p53-ptpn11-shp2-signaling-pathway-in-human-hepatocellular-carcinoma-cells
#20
Xuanqi Ren, Cui Wang, Binbin Xie, Linfeng Hu, Hui Chai, Lei Ding, Lihua Tang, Yongliang Xia, Xiaobing Dou
Tanshinone IIA, a multi-pharmaceutical compound from traditional Chinese herb, has been reported to have anti-hepatocarcinomic (HCC) properties through cell death induction. Apart from the typical p53-dependent pathway, mechanisms of the anti-carcinogenic role of Tanshinone remain scarce. In an effort to explore the mechanism behind Tanshinone IIA, we detected the upstream of the p53 and the potential novel pathway. Tanshinone IIA dose-dependently initiated HepG2 cell apoptosis and cell cycle arrest at the G1 checkpoint...
November 25, 2016: European Journal of Pharmacology
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