nsc-4347 and Lung-Neoplasms

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Benjakul, a Thai traditional herbal preparation, comnprises five plants: Piper chaba, Piper sarmentosum, Piper interruptum, Plumbago indica, and Zingiber officinale. It has widely been used to treat cancer patients in folk medicine in Thailand. Benjakul extract, and its isolated compounds should be investigated for cytotoxic activity and analysis isolated compounds from chemical fingerprinting.. To study cytotoxicity ofBenjakul extract and its isolatedpure compounds against human small cell lung cancer cell line (NCI-HI 688) and in normal human lungfibroblast cell line (MRC-5) and analysis the content ofisolated compounds for quality control of Benjakul extract.. Bioassay-guided fractionation was used for isolated active compounds from ethanolic extract of Benjakul. Cytotoxic activity was carried using the SRB assay. HPLC method was applied to analyze six isolated compound contentfrom Benjakul extract.. The ethanolic extract ofBenjakul showed cytotoxicity against NCI-H1688 with IC50 value = 36.15±4.35 μg/ml. Hexane fraction as semi-separation by VLC showed the best cytotoxic activity (21.1 7±7.42 μg/ml). Six isolated compounds were identified as myristicin, plumbagin, methyl piperate, 6-shogaol, 6-gingerol and piperine. Plumbagin exhibited the highest cytotoxic activity and 6-shogaol was the second most effective cytotoxic constituent (IC50 values = 1.41±0.01 and 6.45±0.19 μg/ml, respectively). Piperine showed the highest content in both ofHPLC analysis and column chromatography separation.. Benjakul extract exhibited cytotoxicity against NCI-HI 688. Plumbagin and 6-shogaol are bioactive markers for cytotoxicity against this small cell lung cancer cell line. Chromatographic fingerprinting can be used to analyze six cytotoxic compounds isolatedfrom the ethanolic extract ofBenjakul.

Topics: Alkaloids; Benzodioxoles; Catechols; Cell Line, Tumor; Chromatography, High Pressure Liquid; Drug Screening Assays, Antitumor; Ethanol; Fatty Alcohols; Humans; Lung Neoplasms; Medicine, Traditional; Naphthoquinones; Piper; Piperidines; Plant Extracts; Plumbaginaceae; Polyunsaturated Alkamides; Small Cell Lung Carcinoma; Thailand; Zingiber officinale

Benjakul [BEN], a Thai Traditional medicine preparation, is composed of five plants: Piper chaba fruit [PC], Piper sarmentosum root [PS], Piper interruptum stem [PI], Plumbago indica root [PL] and Zingiber officinale rhizome [ZO]. From selective interviews of folk doctors in Southern Thailand, it was found that Benjakul has been used for cancer patients.. To investigate cytotoxicity activity of Benjakul preparation [BEN] and its ingredients against three human cancer cell lines, large lung carcinoma cell line (COR-L23), cervical cancer cell line (Hela) liver cancer cell line (HepG2) as compared with normal lungfibroblast cell (MRC-5) by using SRB assay.. The extraction as imitated the method used by folk doctors was done by maceration in ethanol and boiling in water Bioassay guided isolation was used isolated cytotoxic compound.. The ethanolic extracts of PL, ZO, PC, PS, BEN and PS showed specific activity against lung cancer cell (IC50 = 3.4, 7.9, 15.8, 18.4, 19.8 and 32.91 microg/ml) but all the water extracts had no cytotoxic activity. Three active ingredients [6-gingerol, plumbagin and piperine as 0.54, 4.18 and 7.48% w/w yield of crude extract respectively] were isolated from the ethanolic extract of BEN and they also showed cytotoxic activity with plumbagin showing the highest cytotoxic activity against COR-L23, HepG2, Hela and MRC-5 (IC50 = 2.55, 2.61, 4.16 and 11.54 microM respectively).. These data results may support the Thai traditional doctors who are using Benjakul to treat cancer patients and three of its constituents (6-gingerol, plumbagin and piperine) are suggested to be used as biomarkers for standardization of this preparation.

Topics: Alkaloids; Benzodioxoles; Catechols; Cell Line, Tumor; Fatty Alcohols; Female; Humans; Liver Neoplasms; Lung Neoplasms; Medicine, East Asian Traditional; Naphthoquinones; Phytotherapy; Piper; Piperidines; Plant Extracts; Plants, Medicinal; Plumbaginaceae; Polyunsaturated Alkamides; Thailand; Uterine Cervical Neoplasms; Zingiber officinale