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( Xin Gang Cui ),( Dan Feng Xu ),( Chao Lv ),( Fa Jun Qu ),( Jin He ),( Ming Chen ),( Yu Shan Liu ),( Yi Gao ),( Jian Ping Che ),( Ya Cheng Yao ),( Hong Yu Yu ) 생화학분자생물학회(구 한국생화학분자생물학회) 2011 BMB Reports Vol.44 No.8
MED19 is a member of the Mediator that plays a key role in the activation and repression of signal transduction or the regulation of transcription in carcinomas. To tested the functional role of MED19 in human prostate cancer, we downregulated MED19 expression in prostate cancer cells (PC-3 and DU145) by lentivirus- mediated short hairpin (shRNA), and analyzed the effect of inhibition of MED19 on prostate cancer cell proliferation and tumorigenesis. The in vitro prostate cancer cell proliferation, colony formation, and in vivo tumor growth in nude mice xenografts was significantly reduced after the downregulation of MED19. Knock- down of MED19 caused S-phase arrest and induced apoptosis via modulation of Bid and Caspase 7. It was suggested that MED19 serves as a novel proliferation regulator that promotes growth of prostate cancer cells. [BMB reports 2011; 44(8): 547-552]
Xin Cui,Jinkai Wang,Hao Wang,Xiao‑Gang Lu,Jun Jiang 대한금속·재료학회 2022 METALS AND MATERIALS International Vol.28 No.5
The stacking fault energy (SFE) of Fe-Mn alloys is studied by first-principles calculations with chemical disorder and order,nonmagnetic (NM) and antiferromagnetic (AFM) configurations. It is found that Mn atom has a short-range effect on bothnonmagnetic and antiferromagnetic stacking faults (SF) plane. Mn atom reduces the intrinsic stacking fault energy (ISFE)and unstable stacking fault energy (USFE) when it is in the vicinity of the SF plane. Short-range effect is 42% in AFM configurationlarger than 12.6% in NM configuration when Mn atom is on SF plane. The phenomenon of generalized stackingfault energy (GSFE) curve and short-range effect are investigated by topological analysis and electron structures respectively. Furthermore, the twinning tendency is proven to be stronger in AFM γ-FeMn with increasing Mn concentration than otherdeformation mechanisms.
Lack of Influence of an XRCC3 Gene Polymorphism on Oral Cancer Susceptibility: Meta-analysis
Zhang, En-Jiao,Cui, Zhi-Gang,Xu, Zhong-Fei,Duan, Wei-Yi,Huang, Shao-Hui,Tan, Xue-Xin,Yin, Zhi-Hua,Sun, Chang-Fu,Lu, Li Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.23
Background: To systematically summarize the association between the X-ray repair cross complementing 3 (XRCC3) gene polymorphism and oral cancer susceptibility by meta-analysis. Materials and Methods: Databases including PubMed, EMbase, CNKI, VIP and WanFang Data were searched to identify case-control studies concerning the association between an XRCC3 gene polymorphism and the risk of oral cancer from the inception to June 2014. Two reviewers independently screened the literature according to the criteria, extracted the data and assessed the quality. Then meta-analysis was performed using Stata 11.0 software. Results: Seven published case-control studies including 775 patients with oral cancer and 1922 controls were selected. Associations between the rs861539 polymorphism and overall oral cancer risk were not statistically significant in all kinds of comparison models (CT vs CC: OR=0.94, 95%CI=0.74-1.18; TT vs CC: OR=0.94, 95%CI=0.64-1.38; dominant model: OR=0.95, 95%CI=0.76-1.18; recessive model: OR=0.94, 95%CI=0.69-1.29; allele T vs C: OR=0.97, 95%CI=0.84-1.11). In the stratified analysis by ethnicity, no significant associations were found among Asians and Caucasians. On stratification by tumor type, no significant associations were found for cancer and oral premalignant lesions. Conclusions: The XRCC3 gene polymorphism was not found to be associated with the risk of oral cancer. Considering the limited quality of the included case-control studies, more high quality studies with large sample size are needed to verify the above conclusion.