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RISS 인기검색어
- 검색키워드
- 저자 : Rui-Juan Xu (검색결과 2 건)
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Rui-Juan Xu,Bin Qiao,Bing-Zhi Li,Hua Lu,Yao Chen,Ying-Jin Yuan 한국생물공학회 2012 Biotechnology and Bioprocess Engineering Vol.17 No.2
Cephalosporium acremonium has been widely applied in industrial cephalosporin C fermentation. However,little is known about the molecular basis of fermentation behavior of this strain. In this study, comparative lipidomic analysis using LC/ESI/MSn technology was employed to investigate responses of Cephalosporium acremonium to multiple environment variations in realistic industrial cephalosporin C fermentation process and provide molecular basis for the discrepancies between industrial and pilot fermentations. Totally 77 phospholipids species were detected and 65 species were further quantified. Score plot revealed that phospholipids metabolism differed in industrial and pilot process. Loading pilot indicated that the main variables responsible for the discrimination of industrial and pilot process were phosphatidylinositols (PIs), phosphatidylserines (PSs) and phosphatic acids (PAs). Higher PIs content in industrial process indicated that cells were more vigorous in industrial process than those in pilot process. Larger increases of PSs, PAs and ratio of oleic acid to linoleic acid coincided well with the earlier and more thorough cellular morphological differentiation in industrial process. The synergetic reaction between cellular behavior and cells living environment led to titer discrepancies between industrial and pilot process. These findings provided lipidomic insights into industrial cephalosporin C production. Cephalosporium acremonium has been widely applied in industrial cephalosporin C fermentation. However,little is known about the molecular basis of fermentation behavior of this strain. In this study, comparative lipidomic analysis using LC/ESI/MSn technology was employed to investigate responses of Cephalosporium acremonium to multiple environment variations in realistic industrial cephalosporin C fermentation process and provide molecular basis for the discrepancies between industrial and pilot fermentations. Totally 77 phospholipids species were detected and 65 species were further quantified. Score plot revealed that phospholipids metabolism differed in industrial and pilot process. Loading pilot indicated that the main variables responsible for the discrimination of industrial and pilot process were phosphatidylinositols (PIs), phosphatidylserines (PSs) and phosphatic acids (PAs). Higher PIs content in industrial process indicated that cells were more vigorous in industrial process than those in pilot process. Larger increases of PSs, PAs and ratio of oleic acid to linoleic acid coincided well with the earlier and more thorough cellular morphological differentiation in industrial process. The synergetic reaction between cellular behavior and cells living environment led to titer discrepancies between industrial and pilot process. These findings provided lipidomic insights into industrial cephalosporin C production.
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Fotemustine, Teniposide and Dexamethasone in Treating Patients with CNS Lymphoma
Wu, Jing-Jing,Wang, Xin-Hua,Li, Ling,Li, Xin,Zhang, Lei,Sun, Zhen-Chang,Fu, Xiao-Rui,Ma, Wang,Chang, Yu,Zhang, Xu-Dong,Han, Li-Juan,Zhang, Ming-Zhi Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.11
Purpose: We developed and evaluated a regimen including fotemustine, teniposide and dexamethasone (FTD) for treating patients with central nervous system (CNS) lymphoma based on pharmacokinetic properties of individual agents and in combination. Patients and Methods: In a comparison study, 8 patients with primary CNS lymphoma (PCNSL) and 8 with secondary CNS lymphoma (SCNSL) were treated with FTD (comprising fotemustine 100 mg/m2, 1h infusion, day 1; teniposide 60 mg/m2, >0.5 h infusion, on day 2, 3, 4; dexamethasone 40 mg, 1h infusion, on day 1, 2, 3, 4 and 5; and methotrexate 12 mg, cytosine arabinoside 50 mg plus dexamethasone 5 mg intrathecally, on day 2 and 7). Cycles were repeated every 3 weeks. After response assessment, patients received whole brain radiotherapy. Results: Of the 8 PCNSL patients, 4 (50%) achieved CR and 3 (38%) PR, an overall response rate of 88%. Four patients (50%) were in continuing remission at the end of this study after a median follow-up of 30 months (range 10 to 56 months). Of the 8 SCNSL patients the overall response rate was 63% (CR+PR: 38%+25%). All responses were achievable with predictable toxicity mainly reflecting reversible myelosuppression. Conclusion: This study suggests that FTD could be an effective treatment for CNS lymphoma, and is worthy of further evaluation.
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