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linum leonii/lignan
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4 resultados
Production of justicidin B, a cytotoxic arylnaphthalene lignan from genetically transformed root cultures of Linum leonii.
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Callus and hairy root cultures of Linum leonii were established. The genetic transformation in hairy roots was proven by PCR analysis, which showed integration of rol A and rol C genes into the plant genome. Calli and hairy roots accumulate the arylnaphthalene lignan justicidin B as a major
Effect of justicidin B - a potent cytotoxic and pro-apoptotic arylnaphtalene lignan on human breast cancer-derived cell lines.
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Justicidin B produced by genetically transformed cultures of Linum leonii was tested for cytotoxic activity and induction of apoptosis in MDA-MB-231 and MCF-7 breast cancer derived cell lines. The tested lignan evoked strong, concentration dependent cytotoxicity in both cell lines, whereby MCF-7
Apoptotic mechanisms of the biotechnologically produced arylnaphtalene lignan justicidin B in the acute myeloid leukemia-derived cell line HL-60.
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BACKGROUND
The present study aimed at optimization of the biotechnological production of the lignan justicidin B by genetically transformed cultures of Linum leonii and the pharmacological evaluation of the pro-apoptotic effects of the compound in HL-60 cells.
METHODS
A rapidly growing selected root
Cytotoxic activity of extracts from Linum cell cultures.
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Callus and suspension cultures of Linum narbonense and Linum leonii were developed to study the production of lignans and their cytotoxic activity. Justicidin B was determined to be the main lignan. The maximal yield of justicidin B up to 2.22 mg/g of the cell dry weight was detected in the callus
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