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Article Publish Status: FREE
Abstract Title:

Potent in vitro Anti-mouth Cancer (KB) and Immunostimulating Activities of the Job's Tears (Coix lachryma-jobi Linn.) Seed Semi-purified Extract Cocktails Containing Linoleic Acid.

Abstract Source:

J Oleo Sci. 2019 ;68(4):351-359. PMID: 30930371

Abstract Author(s):

Jiradej Manosroi, Charinya Chankhampan, Worapong Kitdamrongtham, Worapaka Manosroi, Aranya Manosroi

Article Affiliation:

Jiradej Manosroi

Abstract:

The crude methanolic and hexane extracts of non-cooked, steamed and roasted from three Job's Tears cultivars were prepared and further semi-purified by liquid-liquid extraction techniques and silica gel column. The six single semi-purified extracts (F1-F6) were combined as nine cocktails (CT1, CT6, CT8, CT13, CT14, CT21, CT24, CT25 and CT31) according to the ICvalues from the preliminary study and investigated for anti-proliferative and apoptotic induction on mouth cancer cell line (KB) and immunostimulating as well as antioxidative activities. The highest anti-proliferative activity was observed in CT13 showing the ICvalue of 0.53±0.45 µg/mL which was higher than 5-fluorouracil and doxorubicin of 20.34 and 1.60 times, respectively. CT1 which was the combination of F1-F6 and CT13 which was the combination of F4-F6 exhibited significant strong synergistic activity with the combination index value (CI) of 0.28. CT1 at 200 µg/mL showed the highest percentages of apoptotic cells (40.65±10.97%) with no necrotic cells, but lower than cisplatin (100 µg/mL) of 2.18 times. CT14 gave the highest immunostimulating activity with the phagocytosis percentage of 13.0±1.7%, but lower than lipopolysaccharide of 1.08 times. CT31 gave the highest free radical scavenging and metal chelating activities with the SCand MCvalues of 0.73±0.07 and 1.99±0.24 µg/mL, but lower than ascorbic acid and EDTA of 18.25 and 4.33 times, respectively. The linoleic acid contents related to anti-cancer activity were also examined by HPLC. This study has demonstrated that CT1 composing of F1-F6 at the percentage ratio of 0.71:2.06:81.38: 8.47:4.92:2.46 was the potential cocktails of the semi-purified extracts from the Job's Tears which can be further developed as a novel active compound for oral cancer treatment.

Study Type : In Vitro Study

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Sayer Ji
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