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Liang, Yong,Bu, Jun-Guo,Cheng, Jin-ling,Gao, Wei-Wei,Xu, Yao-Can,Feng, Jian,Chen, Bo-Yu,Liang, Wei-Chao,Chen, Ke-Quan Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.14
Purpose: To investigate the efficacy and safety of selective radiotherapy after distant metastasis of nasopharyngeal carcinoma (NPC) treated with dose-dense cisplatin plus fluorouracil. Materials and Methods: Eligible patients were randomly assigned to a study group treated with dose-dense cisplatin plus fluorouracil following selective radiotherapy and a control group receiving traditional cisplatin plus fluorouracil following selective radiotherapy according to a 1:1 distribution using a digital random table method. The primary endpoint was overall survival (OS). Secondary endpoints were progression-free survival (PFS), objective response rate, relapse or progression rate in the radiation field and treatment toxicity. Results: Of 52 patients in the study group, 20 cases underwent radiotherapy., while in the control group of 51 patients, 16 underwent radiotherapy. The median PFS, median OS, survival rates in 1, 2 and 3 years in study and control group were 20.9 vs 12.7months, 28.3 vs 18.8months, 85.2%vs 65.9%, 62.2% vs 18.3%, and 36.6%vs 5.2% (p values of 0.00, 0.00, 0.04, 0.00 and 0.00, respectively). Subgroup analysis showed that the median OS and survival rates of 1, 2, 3 years for patients undergoing radiotherapy in the study group better than that in control group( 43.2vs24.1 months, 94.1% vs 86.7%, 82.4% vs 43.3%, 64.7% vs 17.3%, (p=0.00, 0.57, 0.04 and 0.01, respectively). The complete response rate, objective response rate after chemotherapy and three months after radiotherapy, relapse or progression rate in radiation field in study group and in control group were 19.2% vs 3.9%, 86.5% vs 56.9%, 85% vs 50%, 95% vs 81.3% and 41.3% vs 66.7% (p =0.03, 0.00, 0.03,0.30, 0.01 respectively). The grade 3-4 acute adverse reactions in the study group were significantly higher than in the control group (53.8% vs 9.8%, p=0.00). Conclusions: The survival of patients benefits from selective radiotherapy after distant metastasis of NPC treated with dose-dense cisplatin plus fluorouracil.
Surface Texture of Pulse-magnetron-sputtered ZnO:Al Films by Using a Diluted NH4Cl Aqueous Solution
Chao Chen,Yan Liang,Xiao-Yong Gao 한국물리학회 2015 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.66 No.10
This paper mainly addresses the effects of the NH4Cl concentration and etching time on the surface texture of <103>-oriented ZnO:Al films deposited by using direct-current pulse-magnetron reactive sputtering. A mechanism for the etching of the ZnO:Al films by NH4Cl is also proposed. The best surface texture was observed the same as it was etched for 15 min by using a 3.0 wt.% NH4Cl solution. The average reflectivity at wavelengths from 300 nm to 800 nm was sharply reduced to 4.607%. The etching with NH4Cl is closely related to the preferential <103> orientation rather than the usual preferential <002> orientation. The increased number of defects around the boundary is responsible for the surface texture and the blueshift of the absorption edge of the films.
Yong-Tao Yu,Zhenwu Zhu,Kai Lu,Chao Bi,Shan Liang,Xiao-Fang Wang,Da-Peng Zhang 한국식물학회 2016 Journal of Plant Biology Vol.59 No.2
The phytohormone abscisic acid (ABA) plays a vital role in plant development and response to abiotic stress, and many components in ABA signaling remain to be discovered to fully understand the highly complex ABA signaling network. Here we reported that over-expression of MYB28 or MYB99, two R2R3 MYB transcription factors in Arabidopsis thaliana, confers hypersensitivity to exogenous ABA during seed germination, cotyledon greening and early seedling growth. However, both myb28-1 and myb99-1 knockout mutants exhibit wild-type ABA phenotypes most likely due to a functional redundancy of the multiple MYB members. Real-time PCR analysis shows that over-expression of the MYB28 or MYB99 changes expression of a subset of ABA-responsive genes. Collectively, these findings suggest that MYB28 and MYB99 play important, positive roles in ABA signaling during seed germination and early seedling growth.
Wang, Chao,Ma, Hong-Xi,Jin, Mei-Shan,Zou, Ya-Bin,Teng, Yong-Liang,Tian, Zhuang,Wang, Hai-Ying,Wang, Yin-Ping,Duan, Xiu-Mei Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.10
Matrix metalloproteinase (MMP)-2 and MMP-9 are important proteases involved in invasion and metastasis of various tumors. Extra-gastrointestinal stromal tumors (EGISTs) are rare neoplasms. This study was performed to assess MMP-2 and MMP-9 expression in EGIST tissue samples for association with clinicopathological data from the patients. Twenty-one surgical EGIST tissue specimens were collected for analysis of MMP-2 and MMP-9 expression using immunohistochemistry. MMP-2 and MMP-9 proteins were expressed in all of the epithelial cell types of EGISTs, whereas they were only expressed in 75% of the spindle cell type, although there was no statistically significant difference (p>0.05). Expression of MMP-2 and MMP-9 proteins was associated with tumor size, mitotic rate, tumor necrosis, and distant metastasis (p<0.05). MMP-2 expression was linked with MMP-9 levels (p<0.05). However, there was no correlation between MMP-9 expression and age, sex, primary site, or cell morphology in any of these 21 EGIST patients (p>0.05). Moreover, expression of MMP-2 and MMP-9 proteins increased with the degree of EGIST risk. This study provided evidence of an association of MMP-2 and MMP-9 expression with advanced EGIST behavior.
IL-35 Over-expression is Associated with Genesis of Gastric Cancer
Fan, Yong-Gang,Zhai, Jing-Ming,Wang, Wei,Feng, Bing,Yao, Guo-Liang,An, Yan-Hui,Zeng, Chao Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.7
Overexpression of interleukin (IL)-35 has been found in a variety of malignancies, but the expression status in gastric cancer has yet to be elucidated clearly. In the present study, positive expression of EBI3 and p35 was 63.3% and 70.0% of cases, respectively. EBI3 expression was strongly related with larger tumor size and invasion depth (P<0.05). Similarly, expression of p35 was also correlated with larger tumor size (P<0.05). These results indicate that IL-35 might be involved in growth of gastric cancer. Interestingly, EBI3 and p35 expressions were positive correlated with Ki-67 expression. Moreover, EBI3 immunoreactivity was associated with Bcl-2 staining. Our data suggest IL-35 is correlated with genesis of gastric cancer by regulating growth and apoptosis.