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( Zheng Jie Liu ),( Jian Wei Yang ),( Chang Zhen Li ),( Jia Xing Li ),( Ya Juan Jiang ),( Yun Hui Dong ),( Yue Yun Li ) 한국화학공학회 2014 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.52 No.6
Polyaniline modified graphene oxide (PANI/GO) composites were synthesized by dilute polymerization technique and were characterized by Fourier transformed infrared spectroscopy (FTIR), Raman spectroscopy, and scanning electron microscopy (SEM). The characterization results indicated that polyaniline molecules were successfully grafted on GO surfaces. The application of PANI/GO composites to the adsorption of heavy metals from aqueous solutions was investigated under ambient conditions. The maximum adsorption capacities of Co(II), Ni(II), Pb(II) and U(VI) ions on PANI/GO composites calculated from Langmuir models are 22.28, 25.67, 65.40 and 1552.31 mg/g, respectively. The excellent adsorption capacity suggests that PANI/GO composites can be applied as a promising adsorbent in heavy metal pollution cleanup in environmental pollution management.
Strategies of Functional Food for Cancer Prevention in Human Beings
Zeng, Ya-Wen,Yang, Jia-Zheng,Pu, Xiao-Ying,Du, Juan,Yang, Tao,Yang, Shu-Ming,Zhu, Wei-Hua Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.3
Functional food for prevention of chronic diseases is one of this century's key global challenges. Cancer is not only the first or second leading cause of death in China and other countries across the world, but also has diet as one of the most important modifiable risk factors. Major dietary factors now known to promote cancer development are polished grain foods and low intake of fresh vegetables, with general importance for an unhealthy lifestyle and obesity. The strategies of cancer prevention in human being are increased consumption of functional foods like whole grains (brown rice, barley, and buckwheat) and by-products, as well some vegetables (bitter melon, garlic, onions, broccoli, and cabbage) and mushrooms (boletes and Tricholoma matsutake). In addition some beverages (green tea and coffee) may be protective. Southwest China (especially Yunnan Province) is a geographical area where functional crop production is closely related to the origins of human evolution with implications for anticancer influence.
Chen, Hai-Fei,Li, Zheng-Yang,Tang, Jie-Qing,Shen, Hong-Shi,Cui, Qing-Ya,Ren, Yong-Ya,Qin, Long-Mei,Jin, Ling-Juan,Zhu, Jing-Jing,Wang, Jing,Ding, Jie,Wang, Ke-Yuan,Yu, Zi-Qiang,Wang, Zhao-Yue,Wu, Tian Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.9
Objective: To investigate the relationship between the efficacy and safety of different doses of thalidomide (Thal) plus dexamethasone (Dex) as the initial therapy in elderly patients with newly diagnosed multiple myeloma (MM). Methods: Clinical data of 28 elderly patients with newly diagnosed MM who underwent the TD regimen as the initial therapy were analyzed retrospectively. The patients were divided into two groups according to the maximal sustained dose of Thal: lower dose (group A) and higher dose (group B). The overall response rate (ORR), progression free survival (PFS), overall survival (OS), and adverse events (AES) were compared between the two groups. Results: A total of 28 patients were followed up with a median of 18 months. The ORR was 60.1%. The median response time and PFS were 2.0 and 17.0 months, respectively. The mean sustained dose of Thal in group B was significantly higher than group A (292.9 mg v 180.4 mg, P=0.01). There was no significantly difference in ORR (57.1% v 64.3%, P=1.00) and PFS (9.63months v 17.66 months, P=0.73) between groups A and B. During the follow up, only five patients died (<40%) and, therefore, median OS values were not available. It is estimated, however, that the mean survival time in the two groups was 35.6 and 33.4 months (P>0.05), respectively. All of the patients tolerated the treatment well. The incidence of AES in patients with a grading above 3 in group B was significantly higher than in group A (P=0.033). Conclusions: The TD regimen results in a high response rate and manageable AES as the initial therapy in elderly patients with MM. TD should be considered as the front line regimen for the treatment of elderly patients with MM in areas with financial constraints. The clinical response can be achieved at a low dose Thal with minimal toxicity.
Shi Wei Huang,Yuan Yin,Ya Juan Zheng,Ya Ru Dong 대한독성 유전단백체 학회 2015 Molecular & cellular toxicology Vol.11 No.1
Exposure to ischemia/reperfusion leads to the development and progression of retinal degenerative diseases. However, the exact mechanisms are not fully understood. In this article, the role of CIC-3 chloride channel in OGD-R (oxygen-glucose deprivation followed by reperfusion)-induced retinal damage was examined. Mouse photoreceptor-derived 661W cells were treated with the CIC-3 antisense oligonucleotide before exposure to OGD-R. Cell viability, mitochondrial membrane potential, cytochrome-c level, DNA fragmentation, caspase activity and protein expression were detected. Pretreatment of 661W cells with CIC- 3 antisense oligonucleotide significantly decreased OGD-R-mediated toxicity. In addition, apoptosis-related biochemical indicators showed that pre-incubation of CIC-3 antisense oligonucleotide would elevate the mitochondrial membrane potential, decrease the release of cytochrome-c as well as formation of DNA fragmentation, and inhibit activities of caspase-3 and caspase- 9 in exogenous OGD-R-treated 661W cells. Moreover, treatment with CIC-3 antisense oligonucleotide changed the expression of apoptosis-related protein. These results suggest that CIC-3 chloride channel mediates OGD-R-induced apoptosis, at least partially through mitochondrial membrane potential pathway and increasing the levels of proapoptotic molecules in 661W cells. CIC-3 chloride channel blockade may provide a new therapeutic approach for preventing ischemia/reperfusion- induced retinal neural damage.
Constraints on aZ′boson within minimal flavor violation
Kim, C. S.,Yuan, Xing-Bo,Zheng, Ya-Juan American Physical Society 2016 Physical review. D Vol.93 No.9
<P>We explore a Z' boson coupled only with the Standard Model (SM) fermions (Z'f (f) over bar) in the framework of minimal flavor violation. We study its effects on the processes with lepton flavor violation l(j) -> l(i)l(k)(l) over bar (l), l(j) -> l(i)gamma, mu N- -> e(-)N, quark flavor-changing neutral currents b -> sl (l) over bar, neutral B and K meson mixing, and e(+)e(-) -> f (f) over bar at the LEP experiment to constrain the parameter space of Z' mass and couplings. We find that among those relevant processes, mu -> e gamma, mu -> 3e, mu-e conversion and e(+)e(-) -> f (f) over bar can put more stringent bounds on Z'f (f) over bar couplings normalized by Z' mass. The implications for various processes are obtained, such as B and K mixing and B/K -> Ml(1)(l) over bar (2) decays. In addition, we also analyze Z' signatures at the LHC with root s = 8 and 13 TeV.</P>
Lu, De-Yi,Mao, Xu-Hua,Zhou, Ying-Hui,Yan, Xiao-Long,Wang, Wei-Ping,Zheng, Ya-Biao,Xiao, Juan-Juan,Zhang, Ping,Wang, Jian-Guo,Ashwani, Neetika,Ding, Wei-Liang,Jiang, Hua,Shang, Yan,Wang, Ming-Hua Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.13
Nogo protein, encoded by gene reticulon-4 (RTN4), includes three major isoforms by different splicing, named Nogo-A Nogo-B and Nogo-C. Nogo proteins play an important role in the apoptosis of cells, especially in tumor cells. RTN4 single nucleotide polymorphisms (SNPs) can influence the efficiency of transcription and translation thus being related with an individual's predisposition to cancer. The CAA insertion/deletion polymorphism (rs34917480) within RTN4 3'-UTR has been reported to be associated with many cancer types. In order to investigate the relationship between this polymorphism and susceptibility to non-small cell lung cancer (NSCLC) in the Chinese population, we conducted the present case-control study including 411 NSCLC patients and 471 unrelated healthy controls. The genotype distributions were significantly different between cases and controls (p=0.014). We found that the del allele could significantly increase NSCLC risk (ins/ins vs ins/del: p=0.007, OR 1.46, 95%CI=1.11-1.93; dominant model: p=0.004, OR 1.47, 95%CI=1.13-1.92 and allele model: p=0.008, OR 1.35, 95%CI=1.08-1.67). This association was stronger in participants over 60 years old, males and smokers. We therefore conclude that the CAA insertion/deletion polymorphism (rs34917480) contributes to non-small cell lung cancer risk in Chinese population. Age, sex and environmental exposure are also related to carcinogenic effects of rs34917480.