نتایج جستجو برای: methoxypodophyl lotoxin

تعداد نتایج: 7  

Journal: :iranian journal of pharmaceutical sciences 0
abdolali mohagheghzadeh department of pharmacognosy, faculty of pharmacy and pharmaceutical scinces research centre, shiraz university of medical sciences, shiraz, iran shiva hemmati department of pharmacognosy, faculty of pharmacy and pharmaceutical scinces research centre, shiraz university of medical sciences, shiraz, iran a. wilhelm alfermann institut für entwicklungs- und molekularbiologie der pflanzen, heinrich- heine- universität düsseldorf, universitätsstrasse 1, d-40225 düsseldorf, germany

a procedure was developed for rapid in vitro germination of linum album seeds by scarification and exposing to gibberellic acid (ga3) and kinetin (kn).  concentrations of podophyllotoxin (ptox) and related aryltetralin lignans α-peltatin, β-peltatin, 5’-demethoxy-6-methoxypodophyllotoxin and 6-methoxypodophyllotoxin (mptox) in l. album fresh plant organs were determined by hplc. a degree of var...

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1982
Radhey S. Gupta

The cross-resistances of several mutants of Chinese hamster ovary cells which have been obtained after one and two selection steps in the presence of the microtubule inhibitor podophyllotoxin ( P o d R~ and P o d R" mutants, respectively) towards various other inhibitors of microtubule assembly (e .g . , colchicine, Colcemid, vinblastine, griseofulvin, maytansine, steganacin, nocodazole, and ta...

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2007
Radhey S. Gupta

The cross-resistances of several mutants of Chinese hamster ovary cells which have been obtained after one and two selection steps in the presence of the microtubule inhibitor podophyllotoxin ( P o d R~ and P o d R" mutants, respectively) towards various other inhibitors of microtubule assembly (e .g . , colchicine, Colcemid, vinblastine, griseofulvin, maytansine, steganacin, nocodazole, and ta...

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Journal: :Agricultural and Biological Chemistry 1989

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Journal: Iranian Journal of Pharmaceutical Sciences 2006
A. Wilhelm Alfermann Abdolali Mohagheghzadeh, Shiva Hemmati

      A procedure was developed for rapid in vitro germination of Linum album seeds by scarification and exposing to gibberellic acid (GA3) and kinetin (Kn).  Concentrations of podophyllotoxin (PTOX) and related aryltetralin lignans α-peltatin, β-peltatin, 5’-demethoxy-6-methoxypodophyllotoxin and 6-methoxypodophyllotoxin (MPTOX) in L. album fresh plant org...

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2006
C. Moon John M. Pezzuto

Deguelin, a plant-derived rotenoid, mediates potent chemopreventive responses through transcriptional regulation of phorbol ester-induced ornithine decarboxylase (ODC) activity. To explore the mechanism of this effect, the activity of this compound was evaluated with a number of modelsystems.Usingculturedmouseepidermal308cells,thesteady-state levels of both 12-0-tetradecanoylphorbol-13-acetate ...

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2006
S. CHIRUMBOLO A. CONFORTI S. LUSSIGNOLI H. METELMANN P. BELLAVITE

Human blood neutrophil granulocytes (neutrophils) treated with Podophyllum peltatum L.-derived compounds exhibited an enhanced oxidative response to subsequent challenge with bacterial formyl peptides. This priming effect was concerned with superoxide anion (O2-) release (respiratory burst). The phenomenon was observed with a potentized preparation containing, among other things, podophyllum ex...

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