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Cancer: Osteosarcoma

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Total 315 results found since Jan 2013.

Downregulation of 14-3-3 β inhibits proliferation and migration in osteosarcoma cells.
Downregulation of 14-3-3β inhibits proliferation and migration in osteosarcoma cells. Mol Med Rep. 2017 Nov 22;: Authors: Wu Q, Zhu J, Liu F, Liu J, Li M Abstract The 14-3-3 protein isoform β (14‑3‑3β), which is an intracellular adaptor protein that exists in all eukaryotic organisms, is highly expressed in many cancer tissues, including glioma, lung carcinoma and breast cancer. However, 14‑3‑3β expression and function in osteosarcoma progression remain unknown. In the present study, the endogenous expression of 14‑3‑3β was assessed in osteosarcoma samples and the effect of 14‑3‑3...
Source: Molecular Medicine Reports - December 6, 2017 Category: Molecular Biology Tags: Mol Med Rep Source Type: research

The effect of DNA-PKcs gene silencing on proliferation, migration, invasion and apoptosis, and in vivo tumorigenicity of human osteosarcoma MG-63 cells.
Abstract The purpose of this study was to explore the role by which the DNA-dependent protein kinase complex catalytic subunit (DNA-PKcs) influences osteosarcoma MG-63 cell apoptosis, proliferation, migration and invasion. Osteosarcoma tissues and adjacent normal tissues were obtained from 57 osteosarcoma patients. Human osteosarcoma MG-63 cells were assigned into designated groups including the blank, siRNA-negative control (NC) and siRNA-DNA-PKcs groups. RT-qPCR and Western blotting methods were employed to evaluate the mRNA and protein expressions of DNA-PKcs. A cell counting kit-8 (CCK-8) assay was performed t...
Source: Biomedicine and pharmacotherapy = Biomedecine and pharmacotherapie - December 1, 2017 Category: Drugs & Pharmacology Authors: Jin PY, Lu HJ, Tang Y, Fan SH, Zhang ZF, Wang Y, Li XN, Wu DM, Lu J, Zheng YL Tags: Biomed Pharmacother Source Type: research

miR-34a increases cisplatin sensitivity of osteosarcoma cells in vitro through up-regulation of c-Myc and Bim signal.
CONCLUSIONS: Our data indicated that miR-34a enhanced the sensitivity to cisplatin by upregulation of c-Myc and Bim pathway. PMID: 29060932 [PubMed - as supplied by publisher]
Source: Cancer Biomarkers - October 26, 2017 Category: Cancer & Oncology Tags: Cancer Biomark Source Type: research

Estrogen receptor β exhibited anti-tumor effects on osteosarcoma cells by regulating integrin, IAP, NF-kB/BCL-2 and PI3K/Akt signal pathway
In conclusion, ERβ exhibited obvious anti-tumor effects on osteosarcoma cells by regulating integrin, IAP, NF-kBBCL-2 and PI3K/Akt signal pathway.
Source: Journal of Bone Oncology - September 29, 2017 Category: Cancer & Oncology Source Type: research

SENP1/HIF ‐1α feedback loop modulates hypoxia‐induced cell proliferation, invasion, and EMT in human osteosarcoma cells
Hypoxia is an element intrinsic to most solid‐tumor microenvironments, including that of osteosarcoma (OS), and is associated with resistance to therapy, poor survival, and a malignant phenotype. The purpose of the present study was to investigate the role and underlying mechanism of SUMO‐specific protease 1 (SENP1)/hypoxia‐inducible factor‐1α (HIF‐1α) feedback loop in hypoxic microenvironment of OS. We observed that the expression of SENP1 was remarkably upregulated in OS cells. Additionally, there was a concomitant high expression of HIF‐1α and SENP1 in MG‐63 cells under a hypoxic microenvironment. Inter...
Source: Journal of Cellular Biochemistry - September 27, 2017 Category: Biochemistry Authors: Xiaowei Wang, Xiaoju Liang, Huan Liang, Bing Wang Tags: RESEARCH ARTICLE Source Type: research

Regulation of Chromatin Assembly and Cell Transformation by Formaldehyde Exposure in Human Cells
Conclusions: We propose that the inhibition of chromatin assembly represents a novel mechanism of cell transformation induced by the environmental and occupational chemical carcinogen FA. https://doi.org/10.1289/EHP1275 Received: 25 October 2016 Revised: 19 May 2017 Accepted: 23 May 2017 Published: 21 September 2017 Address correspondence to C. Jin, Dept. of Environmental Medicine, New York University School of Medicine, 57 Old Forge Rd., Tuxedo Park, NY 10987 USA. Telephone: (845) 731-3602. Email: Chunyuan.jin@nyumc.org *Current affiliation: Medical School of Nanjing University, Nanjing, China. †Current affiliatio...
Source: EHP Research - September 21, 2017 Category: Environmental Health Authors: Daniil Lyalko Tags: Research Source Type: research

IL-1 β-induced NF-κB activation down-regulates miR-506 expression to promotes osteosarcoma cell growth through JAG1.
IL-1β-induced NF-κB activation down-regulates miR-506 expression to promotes osteosarcoma cell growth through JAG1. Biomed Pharmacother. 2017 Sep 15;95:1147-1155 Authors: Hu M, Yuan X, Liu Y, Tang S, Miao J, Zhou Q, Chen S Abstract Nowadays, the role of miRNA in tumorigenesis has been largely reported. It was found that miR-506 might be associated with tumorigenesis of various cancers. The present study was aimed to investigate the character of miR-506 and some related factors in human osteosarcoma (OS) carcinogenesis. The expression level of miR-506 was downregulated in OS compared with the normal ...
Source: Biomedicine and pharmacotherapy = Biomedecine and pharmacotherapie - September 15, 2017 Category: Drugs & Pharmacology Authors: Hu M, Yuan X, Liu Y, Tang S, Miao J, Zhou Q, Chen S Tags: Biomed Pharmacother Source Type: research

The lncRNA HNF1A-AS1 is a negative prognostic factor and promotes tumorigenesis in osteosarcoma.
In this study, we detected the HNF1A-AS1 levels in human osteosarcoma tissues and cell lines by quantitative real-time polymerase chain reaction (qRT-PCR), and investigated its role in osteosarcoma by using in vitro assays. Our study showed that HNF1A-AS1 expression was significantly up-regulated in human osteosarcoma tissues and cell lines compared with their normal counterparts, and its expression level was positively correlated with the distance metastasis (P = 0.009) and tumour stage (P = 0.019). Moreover, Kaplan-Meier curves with the log-rank test showed that higher expression of HNF1A-AS1 conferred a significantly po...
Source: J Cell Mol Med - September 2, 2017 Category: Molecular Biology Authors: Cai L, Lv J, Zhang Y, Li J, Wang Y, Yang H Tags: J Cell Mol Med Source Type: research

The lncRNA HNF1A ‐AS1 is a negative prognostic factor and promotes tumorigenesis in osteosarcoma
In this study, we detected the HNF1A‐AS1 levels in human osteosarcoma tissues and cell lines by quantitative real‐time polymerase chain reaction (qRT‐PCR), and investigated its role in osteosarcoma by using in vitro assays. Our study showed that HNF1A‐AS1 expression was significantly up‐regulated in human osteosarcoma tissues and cell lines compared with their normal counterparts, and its expression level was positively correlated with the distance metastasis (P = 0.009) and tumour stage (P = 0.019). Moreover, Kaplan–Meier curves with the log‐rank test showed that higher expression of HNF1A‐AS1 conferred a ...
Source: Journal of Cellular and Molecular Medicine - September 1, 2017 Category: Molecular Biology Authors: Lijun Cai, Jinhan Lv, Yinquan Zhang, Junhong Li, Yinong Wang, Huilin Yang Tags: Original Article Source Type: research

Effects of the Long Non-Coding RNA HOST2 On the Proliferation, Migration, Invasion and Apoptosis of Human Osteosarcoma Cells
Conclusions: Inhibition of lnc-HOST2 could suppress the proliferation, migration, and invasion and promote the apoptosis of osteosarcoma cells.Cell Physiol Biochem 2017;43:320 –330
Source: Cellular Physiology and Biochemistry - August 30, 2017 Category: Cytology Source Type: research

Leptocarpin Suppresses Proliferation, Migration, and Invasion of Human Osteosarcoma by Targeting Type-1 Insulin-Like Growth Factor Receptor (IGF-1R).
CONCLUSIONS LTC suppressed osteosarcoma proliferation, migration, and invasion by inhibiting IGF-1R expression. IGF-1R is one of the targets in LTC suppressing osteosarcoma. PMID: 28844074 [PubMed - in process]
Source: Medical Science Monitor - August 29, 2017 Category: Research Tags: Med Sci Monit Source Type: research

Downregulation of BZW2 inhibits osteosarcoma cell growth by inactivating the Akt/mTOR signaling pathway.
Authors: Cheng DD, Li SJ, Zhu B, Yuan T, Yang QC, Fan CY Abstract Osteosarcoma is the most common malignant bone tumor in adolescents. The function of basic leucine zipper and W2 domains 2 (BZW2) in tumor progression has been reported. However, the role and mechanisms of BZW2 in osteosarcoma remain to be determined. The aim of the present study was to reveal the expression and biological functions of BZW2 in osteosarcoma and to elucidate the proximal mechanisms underlying these functions. The expression of BZW2 in osteosarcoma tissues and cell lines was assessed by qRT-PCR, western blotting and immunohistochemistr...
Source: Oncology Reports - August 11, 2017 Category: Cancer & Oncology Tags: Oncol Rep Source Type: research

SENP1/HIF ‐1α feedback loop modulates hypoxia‐induced cell proliferation, invasion and EMT in human osteosarcoma cells
This article is protected by copyright. All rights reserved
Source: Journal of Cellular Biochemistry - August 10, 2017 Category: Biochemistry Authors: Xiaowei Wang, Xiaoju Liang, Huan Liang, Bing Wang Tags: Article Source Type: research

Pneumolysin-induced autophagy contributes to inhibition of osteoblast differentiation through downregulation of Sp1 in human osteosarcoma cells
Conclusion: The results suggest that PLY inhibits osteoblast differentiation by downregulation of Sp1 accompanied by induction of autophagy through ROS-mediated regulation of the AMPK/mTOR pathway. General significance: This study proposes a molecular mechanism for inhibition of osteoblast differentiation in response to PLY.
Source: Biochimica et Biophysica Acta (BBA) General Subjects - July 19, 2017 Category: Biochemistry Source Type: research

In vitro effect of microRNA-107 targeting Dkk-1 by regulation of Wnt/β-catenin signaling pathway in osteosarcoma
Conclusion: We conclude that miR-107 is likely to inhibit the occurrence and development of OS by down-regulating Dkk-1 via the Wnt/β-catenin signaling pathway, providing us with a new therapeutic target for the treatment of OS.
Source: Medicine - July 1, 2017 Category: Internal Medicine Tags: Research Article: Clinical Trial/Experimental Study Source Type: research