@article {1231, title = {Cytotoxicity of Lactobacillus plantarum KK518 Isolated from Pak-Sian Dong (Thai Fermented Gynandropsis pentaphylla DC.) Against HepG2, MCF-7 and HeLa Cancer Cells}, journal = {Pharmacognosy Journal}, volume = {12}, year = {2020}, month = {August 2020}, pages = {1050-1057}, type = {Original Article}, chapter = {1050}, abstract = {

Background: Pak-Sian Dong is a fermented vegetable product of Thailand prepared from aerial parts of Pak-Sian (Gynandropsis pentaphylla DC.). Lactobacillus plantarum KK518 was isolated from Pak-Sian Dong and already assessed for its probiotic attributes. Objective: The aim of this work was to determine the untapped cytotoxic effects of L. plantarum KK518 extract against HepG2 (liver cancer), MCF-7 (breast cancer) and HeLa (cervical cancer) cells. Materials and Methods: The bacterial extracts were prepared from whole cultures; containing cells and broths using ethyl acetate as extracting solvent and the dried extracts were redissolved in ethanol before use. Cytotoxic, antiproliferative and antimigratory effects of the bacterial extracts on three types of cancer cells were determined using 3-(4,5-dimethylthiazolyl-2)-2, 5-diphenyltetra zolium bromide (MTT) assay, clonogenic formation and wound healing assays, respectively. Results: L. plantarum KK518 extract showed the highest cytotoxicity at 90.88\% at 1,000 μg/mL against HeLa cells (IC50 of 371.97 μg/mL) over 48 h of exposure. Anti-colony formation test showed that the bacterial extracts at 600, 800 and 1,000 μg/mL over 48 h led to a complete inhibition of colony formation of HeLa cells; however the highest IC50 of 418.52 μg/mL was found in HepG2 cells suggesting that HepG2 was least affected by bacterial extract. Likewise, HepG2 cells seemed to be most resistant to antimigratory effects as observed by highest relative area of the wound at most time intervals and most extract concentrations. Conclusion: L. plantarum KK518 offers a potential use as a bio-therapeutic with chemopreventive effects against cervical, breast and liver cancers.

}, keywords = {HeLa, HepG2, L. plantarum KK518, MCF-7, Pak-Sian-Dong}, doi = {10.5530/pj.2020.12.148}, author = {Vijitra Luang-In and Worachot Saengha and Benjaporn Buranrat and Sutisa Nudmamud-Thanoi and Arjan Narbad and Supaporn Pumriw and Wannee Samappito} } @article {1163, title = {Cytotoxicity of Selenium-Enriched Chinese Kale (Brassica oleracea var. alboglabra L.) Seedlings Against Caco-2, MCF-7 and HepG2 Cancer Cells}, journal = {Pharmacognosy Journal}, volume = {12}, year = {2020}, month = {June 2020}, pages = {674-681}, type = {Original Article}, chapter = {674}, abstract = {

Background: The Selenium-enriched Chinese kale (Brassica oleracea var. alboglabra L.) seedlings (Se-KS) have been known for its antioxidant activities, however its cytotoxic effects on various cancer cells are yet to be reported. Objective: The objective of this work was to study the cytotoxic effects of Se-KS on Caco-2, MCF-7 and HepG2 cancer cells. Materials and Methods: Freeze-dried seedlings were ground and incubated in 0.1 M citrate phosphate buffer pH 7.0 for 1 h at 37{\textdegree}C and extracted with dichloromethane to obtain total isothiocyanate (ITC) content which was quantified using the 1,2-benzenedithiole (BDT)-based cyclocondensation assay. The extracts from fresh seedlings were used to determine the cytotoxic effect on Caco- 2, MCF-7 and HepG2 cancer cells. Results: Se-KS was found to contain total ITC content at 1.02 mmol/100 g dry weight (DW) which was significantly lower than that of 7-day old broccoli microgreens (1.60 mmol/100 g DW) as reference Cruciferous vegetables. In addition, Se-KS extract exhibited cytotoxic effects in a dose- and time-dependent manners. The lowest IC50 value of 82.83 μg/mL at 72 h was derived from HepG2 cells and the highest IC50 value of 164.00 μg/mL at 72 h was from MCF-7 cells suggesting that the Se-KS extract was most effective against HepG2 cells. Cancer cells showed signs of apoptotic bodies over 72 h and DNA fragmentations at 24 h indicating that the Se-KS extract was able to induce apoptosis in cancer cells in addition to cytotoxic effect. Conclusion: Thus, Se-KS could be a novel source of organo selenium with chemopreventive benefits for functional food development.

}, keywords = {Caco-2, HepG2, Isothiocyanate, Kale, MCF-7, Selenium}, doi = {10.5530/pj.2020.12.99}, author = {Vijitra Luang-In and Worachot Saengha and Benjaporn Buranrat and Anut Chantiratikul and Nyuk Ling Ma} } @article {756, title = {Pharmacognostical and Physicochemical Studies of Enhalus acoroides (L.F.) Royle (Rhizome)}, journal = {Pharmacognosy Journal}, volume = {10}, year = {2018}, month = {November 2018}, pages = {s89-s94}, type = {Original Article}, chapter = {s89}, abstract = {

Introduction: The rhizome of Enhalus acoroides (L.f.) Royle is used in traditional medicine for treatment of many diseases e.g. muscle pains, wounds and stomach problems where pharmacognostical studies are lacking. Many chemical constituents; luteolin, apigenin, luteolin glycosides, stigmasterol, daucosterol have been reported. The aim of this work was to perform a pharmacognostical evaluation. Methods: Macroscopical, microscopical and physicochemical parameters were assessed. Results: E. acoroides has characteristic morphology. Microscopical studies indicated the presence of vessels, fiber, parenchyma cells, sclereids, tracheids and trichomes. Physicochemical parameters of E. acoroides rhizome; foreign matter, loss on drying and total ash content were measured. As well as chemical investigation through TLC and HPLC were specified. Conclusion: The present study of E. acoroides rhizome provides useful information that can serve as a diagnostic tool for the standardization of E. acoroides and will be helpful in characterization of the crude drug in the market.

}, keywords = {Enhalus acoroides, Macroscopic, Microscopic, Pharmacognostic, Specification, standardization}, doi = {10.5530/pj.2018.6s.17}, author = {Supattra Klangprapun and Benjaporn Buranrat and Wanida Caichompoo and Somsak Nualkaew} }