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Yang, Xue-Xi,Li, Fen-Xia,Zhou, Cui-Ping,Hu, Ni-Ya,Wu, Ying-Shong,Li, Ming Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.6
Objective: Data from a recent genome-wide association studiesy of gastric cancer (GC) and oesophageal squamous cell carcinoma in Chinese living in the Taihang Mountains of north-central China suggest that 1q22 and 10q23 are susceptibility-associated regions for GC. However, this has not been confirmed in southern Chinese populations. The aim of this study was to investigate whether these polymorphisms at 1q22 and 10q23 are associated with the risk of GC in a southern Chinese population. Methods: We selected seven top significant associated single nucleotide polymorphisms (SNPs) at 1q22 and 10q23 and conducted a population-based case-control study in a southern Chinese population. Genotypes were determined using MassARRAYTM system (Sequenome, San Diego, CA). Results: Two SNPs at 1q22, rs4072037 and rs4460629, were significantly associated with a reduced risk of GC, best fitting the dominant genetic model. Logistic regression models adjusted for age and sex showed that rs4072037 AG and GG (OR=0.64, P=0.017, compared with AA) and rs4460629 CT and TT (OR=0.54, P=0.0016, compared with TT) significantly reduced the risk of GC. However, no significant results for the five SNPs at 10q23 were obtained in this study. Conclusion: These outcomes indicate that 1q22 is associated with GC susceptibility in this southern Chinese population, while an association for the locus at 10q23 was not confirmed.
Yun-yun Chen,Fen-ping Cui,Fang Gu,Ying-ying Zhang 한국물리학회 2014 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.64 No.11
In this paper, the feasibility of using a one-temperature model to determine plasma’s temperatureby measuring its refractive index is studied based on the consideration that many plasma flow fieldsare not in local thermodynamic equilibrium (LTE). We compare the refractive indices between theone- and the two-temperature models of an arc plasma, in order to discuss the applicability ofthe one-temperature model in optical diagnosis. We found that the applicability is determined bythe pressure, the temperature ratio between electrons and heavy particles, the probe wavelength,and the chosen optical method’s refractive index measurement precision. Consequently, a commonmodel is deduced to describe the refractive index of plasma whether it be in LTE or not. In a word,this study is crucial to better apply optical methods based on measurements of the refractive indexto diagnose plasma flow fields.
Wang, Hua-Qian,Li, Dong-Li,Lu, Yu-Jing,Cui, Xiao-Xing,Zhou, Xiao-Fen,Lin, Wei-Ping,Conney, Allan H.,Zhang, Kun,Du, Zhi-Yun,Zheng, Xi Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.21
Acanthopanax trifoliatus (L) Merr (AT) is commonly used as an herbal medicine and edible plant in some areas of China and other Asian countries. AT is thought to have anticancer effects, but potential mechanisms remain unknown. To assess the anticancer properties of AT, we exposed prostate cancer cells to AT extracts and assessed cell proliferation and signaling pathways. An ethanol extract of AT was suspended in water followed by sequential extraction with petroleum ether, ethyl acetate and n-butanol. PC-3 cells were treated with different concentrations of each extract and cell viability was determined by the MTT and trypan blue exclusion assays. The ethyl acetate extract of the ethanol extract had a stronger inhibitory effect on growth and a stronger stimulatory effect on apoptosis than any of the other extracts. Mechanistic studies demonstrated that the ethyl acetate extract suppressed the transcriptional activity of NF-${\kappa}B$, increased the level of caspase-3, and decreased the levels of phospho-Erk1/2 and phospho-Akt. This is the first report on the anticancer activity of AT in cultured human prostate cancer cells. The results suggest that AT can provide a plant-based medicine for the treatment or prevention of prostate cancer.