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- 저자 : ( Lian Hui Xie ) (검색결과 3 건)
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Xie Lian-Cheng,Tian Jun-Ce,Lu Yan-Hui,Xu Hongxing,Zang Lian-Sheng,Lu Zhongxian,Jin Lin-Hong 한국응용곤충학회 2021 Journal of Asia-Pacific Entomology Vol.24 No.3
Trichogramma chilonis is an important natural enemy for control of various Lepidoperan crop pests. The biology of T. chilonis is well-studied, but the molecular mechanisms of this biology require further study. Screening suitable reference genes is a vital step for use of RT-qPCR to understand underlying molecular physiology. In the present study, nine candidate reference genes including elongation factor 2 (EF2), ribosomal proteins (RPS23, RPL13, and RPL44), malate dehydrogenase (MDH), eukaryotic translation initiation factor 3 subunit F (EIF3F), zinc finger protein 268 (ZFP268), muscle specific protein 20 (MP20), and ATP synthase subunit alpha (ATP5F1A) were evaluated at different conditions including development stage, diet, temperature, and insecticide treat ments. Four common algorithms (the Delta Ct method, geNorm, BestKeeper, and NormFinder) and RefFinder were used to analyze gene expression stability. Our results indicated that two reference genes used for normalization were sufficient, and the optimal combinations were: RPS23 and EF2 for developmental stages, ZFP268 and EF2 for feeding with different diets, ZFP268 and RPL13 for temperature treatments, and EF2 and RPL44 for insec ticide treatments. The results provide preliminary determination of suitable reference gene for standard RT-qPCR analyses in T. chilonis, which might establish the foundation for further molecular biology research.
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Pemetrexed is Mildly Active with Good Tolerability for Treatment of Patients with Colorectal Cancer
Zhang, Hui-Qing,Lian, Chang-Hong,Ping, Yao-Dong,Song, Wen-Bin,Lu, Qing-Pu,Xie, Shu-Zhe,Lin, Tao,Cheng, Lin-Zhong Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.19
Purpose: This systematic analysis was conducted to evaluate the efficacy and safety of pemetrexed based salvage chemotherapy for treatment of patients with metastatic colorectal cancer. Methods: Clinical studies evaluating the efficacy and safety of pemetrexed based regimens on response and safety for patients with colorectal cancer were identified using a predefined search strategy. Pooled response rates (RRs) were calculated. Results: For pemetrexed based regimens, 4 clinical studies including 201 patients with advanced colorectal cancer were considered eligible for inclusion. The analysis suggested that, in all patients, pooled RR was 20.4% (41/201). Major adverse effects were neutropenia, anorexia, fatigue, and anemia. No treatment related death occurred with pemetrexed based treatment. Conclusion: This systematic analysis suggests that pemetrexed based regimens are associated with mild activity with good tolerability in treating patients with metastatic colorectal cancer.
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( Liu Bin ),( Ning Ning Zhang ),( Chao Zhao ),( Bai Xue Lin ),( Lian Hui Xie ),( Yi Fan Huang ) 한국미생물 · 생명공학회 2012 Journal of microbiology and biotechnology Vol.22 No.10
A xylanase-producing thermophilic strain, Geobacillus sp. TC-W7, was isolated from a hot spring in Yongtai (Fuzhou, China). Subsequently, the xylanase gene that encoded 407 amino acids was cloned and expressed. The recombinant xylanase was purified by GST affinity chromatography and exhibited maximum activity at 75℃ and a pH of 8.2. The enzyme was active up to 95℃ and showed activity over a wide pH range of 5.2 to 10.2. Additionally, the recombinant xylanase showed high thermostability and pH stability. More than 85% of the enzyme`s activity was retained after incubation at 70℃ for 90 min at a pH of 8.2. The activity of the recombinant xylanase was enhanced by treatment with 10 mM enzyme inhibitors (DDT, Tween-20, 2-Me, or TritonX-100) and was inhibited by EDTA or PMSF. Its functionality was stable in the presence of Li+, Na+, and K+, but inhibited by Hg2+, Ni2+, Co2+, Cu2+, Zn2+, Pb2+, Fe3+, and Al3+. The functionality of the crude xylanase had similar properties to the recombinant xylanase except for when it was treated with Al2+ or Fe2+. The enzyme might be a promising candidate for various industrial applications such as the biofuel, food, and paper and pulp industries.
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