Journal of the Korean Society of Food Science and Nutrition
/
v.38
no.6
/
pp.657-662
/
2009
Antioxidant and anticancer activities of water and ethanol extracts of defatted soybean grits (DSG) fermented Bacillus subtilis NUC1 were determined and compared with those of the raw DSG. The fermented defatted soybean grits (FDSG) exhibited higher total polyphenols and flavonoids contents than DSG. The ethanol extracts of FDSG (FD-E) showed the highest polyphenol and flavonoid contents with 23.35 mg/g and 3.48 mg/g, respectively. Particularly, FD-E showed higher DPPH radical scavenging activities with $RC_{50}$ of 0.32 mg/mL than other samples with $RC_{50}$ of 1.10${\sim}$3.89 mg/mL. The water and ethanol extracts of FDSG and DSG showed growth inhibitory effects against AGS, A549 and Hela cancer cells in a dose-dependent manner, and especially FD-E showed the highest growth inhibition effects. FD-E induced apoptosis in Hela cells through an increased activation of caspase-3 and caspase-3 target protein, PARP, but rarely affected caspase-7.
Kim, Mi Seon;Lee, Yunmi;Sung, Gi-Ho;Kim, Ji Hye;Park, Jae Gwang;Kim, Han Gyung;Baek, Kwang Soo;Cho, Jae Han;Han, Jaegu;Lee, Kang-Hyo;Hong, Sungyoul;Kim, Jong-Hoon;Cho, Jae Youl
Biomolecules & Therapeutics
/
v.23
no.4
/
pp.367-373
/
2015
Cordyceps species including Cordyceps bassiana are a notable anti-cancer dietary supplement. Previously, we identified several compounds with anti-cancer activity from the butanol fraction (Cb-BF) of Cordyceps bassiana. To expand the structural value of Cb-BF-derived anti-cancer drugs, we employed various chemical moieties to produce a novel Cb-BF-derived chemical derivative, KTH-13-amine-monophenyl [4-isopropyl-2-(1-phenylethyl) aniline (KTH-13-AMP)], which we tested for anti-cancer activity. KTH-13-AMP suppressed the proliferation of MDA-MB-231, HeLa, and C6 glioma cells. KTH-13-AMP also dose-dependently induced morphological changes in C6 glioma cells and time-dependently increased the level of early apoptotic cells stained with annexin V-FITC. Furthermore, the levels of the active full-length forms of caspase-3 and caspase-9 were increased. In contrast, the levels of total forms of caspases-3, caspase-8, caspase-9, and Bcl-2 were decreased in KTH-13-AMP treated-cells. We also confirmed that the phosphorylation of STAT3, Src, and PI3K/p85, which is linked to cell survival, was diminished by treatment with KTH-13-AMP. Therefore, these results strongly suggest that this compound can be used to guide the development of an anti-cancer drug or serve as a lead compound in forming another strong anti-proliferative agent.
Lee, Soojin;Shim, Ji Hwan;Gim, Huijin;Park, Hyun Soo;Kim, Byung Joo
Journal of Pharmacopuncture
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v.19
no.1
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pp.51-58
/
2016
Objectives: Oldenlandia diffusa is traditionally used to relieve the symptoms of and to treat various diseases, but its anti-cancer activity has not been well studied. In the present study, the authors investigated the anti-cancer effects of an ethanol extract of Oldenlandia diffusa (EOD) on HT-29 human adenocarcinoma cells. Methods: Cells were treated with different concentrations of an EOD, and cell death was assessed by using a 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium bromide (MTT) assay. Analyses of the sub G1 peak, the caspase-3 and -9 activities, and the mitochondrial membrane depolarizations were conducted to confirm cell death by apoptosis. Also, intracellular reactive oxygen species (ROS) generation was determined using carboxy-H2DCFDA (5-(and-6)-carboxy-20,70-dichlorodihydrofluorescein diacetate). Results: EOD inhibited the proliferation of HT-29 cells for 24 hours by $78.6%{\pm}8.1%$ at $50{\mu}g/mL$, $74.4%{\pm}4.6%$ at $100{\mu}g/mL$, $65.9%{\pm}5.2%$ at $200{\mu}g/mL$, $51.4%{\pm}6.2%$ at $300{\mu}g/mL$, and by $41.7%{\pm}8.9%$ at $400{\mu}g/mL$, and treatment for 72 hours reduced the proliferation at the corresponding concentrations by $43.3%{\pm}8.8%$, $24.3{\pm}5.1mV$, $13.5{\pm}3.2mV$, $6.5{\pm}2.3mV$, and by $2.6{\pm}2.3mV$. EOD increased the number of cells in the sub-G1 peak in a dose-dependent manner. The mitochondrial membrane depolarization was elevated by EOD. Also, caspase activities were dose-dependently elevated in the presence of EOD, and these activities were repressed by a pan-caspase inhibitor (zVAD-fmk). The ROS generation was significantly increased by EOD and N-acetyl-L-cysteine (NAC; a ROS scavenger) remarkably abolished EOD-induced cell death. In addition, a combination of sub-optimal doses of EOD and chemotherapeutic agents noticeably suppressed the growth of HT-29 cancer cells. Conclusion: These results indicate that EOD might be an effective chemotherapeutic for the treatment of human colorectal cancer.
BACKGROUND/OBJECTIVES: Previous research has shown maternal betaine supplementation alleviates fetal-derived hepatic steatosis. Therefore, this study examined the anti-inflammatory effect of maternal betaine intake in offspring mice and its mechanism. MATERIALS/METHODS: Female C57BL/6J mice and their offspring were randomly divided into 3 groups according to the treatment received during gestation and lactation: control diet (CD), fatty liver disease (FLD), and fatty liver disease + 1% betaine (FLD-BET). The FLD group was given a high-fat diet and streptozotocin (HFD + STZ), and the FLD-BET group was treated with HFD + STZ + 1% betaine. After weaning, the offspring mice were given a normal diet for 5 weeks and then dissected to measure the relevant indexes. RESULTS: Compared to the CD group, the offspring mice in the FLD group revealed obvious hepatic steatosis and increased serum levels of alanine aminotransferase, interleukin (IL)-6, and tumor necrosis factor (TNF)-α; maternal betaine supplementation reversed these changes. The hepatic mRNA expression levels of IL-6, IL-18, and Caspase-1 were significantly higher in the FLD group than in the CD group. Maternal betaine supplementation reduced the expression of IL-1β, IL-6, IL-18, and apoptosis-associated speck-like protein containing C-terminal caspase recruitment domain (ASC). Maternal betaine supplementation also reversed the increasing protein expressions of nitric oxide dioxygenase-like receptor family pyrin domain containing 3 (NLRP3), ASC, Caspase-1, IL-1β, and IL-18 in offspring mice exposed to HFD + STZ. Maternal betaine supplementation decreased the homocysteine (Hcy) and s-adenosine homocysteine (SAH) levels significantly in the livers. Furthermore, the hepatic Hcy concentrations showed significant inverse relationships with the mRNA expression of TNF-α, NLRP3, ASC, and IL-18. The hepatic SAH concentration was inversely associated with the IL-1β mRNA expression. CONCLUSIONS: The lipotropic and anti-inflammatory effect of maternal betaine supplementation may be associated with the inhibition of NLRP3 inflammasome in the livers of the offspring mice.
Zingiber officinale Roscoe has been widely used as a folk medicine to treat various diseases, including cancer. This study aims to re-examine the therapeutic potential of co-administration of natural products and cancer chemotherapeutics. Candidate material for this project, ${\alpha}$-zingiberene, was extracted from Zingiber officinale Roscoe, and ${\alpha}$-zingiberene makes up $35.02{\pm}0.30%$ of its total essential oil. ${\alpha}$-Zingiberene showed low $IC_{50}$ values, $60.6{\pm}3.6$, $46.2{\pm}0.6$, $172.0{\pm}6.6$, $80.3{\pm}6.6$ (${\mu}g/mL$) in HeLa, SiHa, MCF-7 and HL-60 cells each. These values are a little bit higher than $IC_{50}$ values of general essential oil in those cells. The treatment of ${\alpha}$-zingiberene produced nucleosomal DNA fragmentation in SiHa cells, and the percentage of sub-diploid cells increased in a concentration-dependent manner in SiHa cells, hallmark features of apoptosis. Mitochondrial cytochrome c activation and an in vitro caspase-3 activity assay demonstrated that the activation of caspases accompanies the apoptotic effect of ${\alpha}$-zingiberene, which mediates cell death. These results suggest that the apoptotic effect of ${\alpha}$-zingiberene on SiHa cells may converge caspase-3 activation through the release of mitochondrial cytochrome c into cytoplasm. It is considered that anti-proliferative effect of ${\alpha}$-zingiberene is a result of apoptotic effects, and ${\alpha}$-zingiberene is worth furthermore study to develop it as cancer chemotherapeutics.
Kim, Do-Hwan;Kim, Seung-Mo;Cho, Han-Gook;Cha, Yong-Seok;Heo, Yun;Cho, Kwang-Ho;Moon, Byung-Soon
The Journal of Internal Korean Medicine
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v.21
no.4
/
pp.535-542
/
2000
The water extracts of Samul-tang(SMT) has been used for treatment of ischemic brain damage in Oriental traditional medicine. However, little is known about the mechanism by which the water extracts of SMT rescues brain cells from ischemic damages. To elucidate the protective mechanism on ischemic induced cytotoxicity, I investigate the regulation of LPS and PMA induced iNOS expression in C6 glial cells. LPS and PMA treatment for 72 h in C6 glial cells markedly induce nitric oxide(NO), but treatment of the cells with the water extracts of SMT decrease. dose dependently nitrite formation. In addition, LPS and PMA treatment for 72 h induce severe cell death and LDH release in C6 glial cells. However treatment of the cells with the water extracts of SMT dose not induce significant changes compare to control cells. Furthermore, the protective effects of the water extracts of SMT is mimicked by treatment of $N^{G}MMA$, a specific inhibitor of NOS. LPS and PMA induced iNOS activation in C6 glial cells cause chromosomal condensation and fragmentation of nuclei by caspase activation. The treatment of the cells with the water extracts of SMT may suppress apoptosis via caspase inhibition by regulation of iNOS expression. Taken together, I suggest that the protective effects of the water extracts of SMT against ischemic brain damages may be mediated by regulation of iNOS during ischemic condition.
Objectives : The water extract of Nueihyuljunbang (NHJB) has long been used for treatment of ischemic brain damage in Oriental Medicine. However, little is known about the mechanism by which the water extract of NHJB recovers brain cens from ischemic damage. Methods : To elucidate the protective mechanism on ischemic induced cytotoxicity, we investigated the regulation of lipopolysaccharide (LPS) and phorbol-12-myristate-13-acetate (PMA)-induced inducible nitric oxide synthase (iNOS) expression in C6 glial cells. Results : LPS combined PMA treatment for 72 hours in C6 glial cells markedly induced nitric oxide (NO), but treatment of the cells with the water extract of NHJB decreased dose-dependently nitrite formation. In addition, LPS combined PMA treatment for 72 hours induced severe celt death and lactate dehydrogenase (LDH) release in C6 glial cells. However, treatment of the celts with the water extract of NHJB did not induce significant change compared to control cells. Furthermore, the protective effects of the water extract of NHJB were mimicked by the treatment of NGMMA, a specific inhibitor of NOS. LPS combined PMA induced iNOS activation in C6 glial cells caused chromosomal condensation and fragmentation of the nuclei by caspase activation. The treatment of C6 glial cells with the water extract of NHJB might suppress apoptosis via caspase inhibition by regulation of iNOS expression. Conclusions : From the results, we suggest that the protective effects of the water extract of NHJB against ischemic brain damage may be mediated by regulation of iNOS during ischemic condition.
Jeon, In-Cheol;Bang, Chang-Ho;Moon, Byung-Soon;Lee, In
Journal of Physiology & Pathology in Korean Medicine
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v.23
no.6
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pp.1368-1378
/
2009
Unfolded protein response (UPR) is an important genomic response to endoplasmic reticulum (ER) stress. The ER response is characterized by changes in specific proteins, induction of ER chaperones and degradation of misfolded proteins. Also, the pathogenesis of several diseases like Alzheimer's disease, neuronal degenerative diseases, and diabetes reveal the role of ER stress as one of the causative mechanisms. Borneolum has been used for neuronal disease in oriental medicine. In the present study, the protective effect of borneolum on thapsigargin-induced apoptosis in rat C6 glial cells. Treatment with C6 glial cells with 5 uM thapsigargin caused the loss of cell viability, and morphological change, which was associated with the elevation of intracellular $Ca^{++}$ level, the increase in Grp78 and CHOP and cleavage of pro-caspase 12 Furthermore, thapsigargin induced Grp98, XBP1, and ATF4 protein expression in C6 glial cells. Borneolum reduced thapsigargin-induced apoptosis through ER pathways. In the ER pathway, borneolum attenuated thapsigargin-induced elevations in Grp78, CHOP, ATF4, and XBP1 as well as reductions in pro-caspase 12 levels. Also, our data showed that borneolum protected thapsigargin-induced cytotoxicity in astrocytes from rat (P3) brain. Taken together, our data suggest that borneolum is neuroprotective against thapsigargin-induced ER stress in C6 glial cells and astrocytes. Accordingly, borneolum may be therapeutically useful for the treatment of thapsigargin-induced apoptosis in central nervous system.
Objectives The object of this study was to observe the effects of Hyeongbangjihwhang-tang (HB; Soyangin prescription) on the 5/6 NTX induced CRF rats. Methods Each of Hyeongbangjihwhang-tang aqueous extracts 200mg/kg were orally administered once a day for 35 days from 4 weeks after 5/6 NTX surgery. Four groups, each of 8 rats per group were used in this study, were sham group, CRF group, ${\alpha}$-Tocoperol group and HB group. Changes on the left remnant kidney weights, serum BUN, creatinine levels, caspase-3, PARP immunoreactivities were observed to nephroprotective effects, and relative immunomodulatory effects were monitored based on the changes of lymphatic organ weights and splenic cytokine contents. In addition, the changes on the kidney MDA, GSH contents and SOD, CAT activities were also calculated for antioxidant effects, and the effects on the CRF related cachexia were demonstrated based on the changes of body and epididymal fat pad weights, serum TG, TC, LDL and HDL levels. Results and Conclusions 1) HB was significantly decreased the left remnant kidney weights, serum BUN, creatinine levels and caspase-3, PARP immunoreactivities. 2) HB was significantly increased lymphatic organ weights and splenic cytokine contents. 3) HB was significantly increased body and epididymal fat pad weights, and was significantly decreased serum TG, TC, LDL and HDL levels. 4) HB was significantly decreased MDA contents, and was significantly increased GSH contents and SOD, CAT activities. The results obtained in this study suggest that HB significantly retarded immunosuppressions and cachexia related to the 5/6 NTX induced CRF through modulations of oxidative defense systems. Especially HB showed the highest favorable effects more than those of ${\alpha}$-tocoperol.
Olarte, Elizabeth Iglesias;Herrera, Annabelle Aliga;Villasenor, Irene Manese;Jacinto, Sonia Donaldo
Asian Pacific Journal of Cancer Prevention
/
v.14
no.5
/
pp.3191-3196
/
2013
Leaf extracts of Cassia alata L (akapulko), traditionally used for treatment of a variety of diseases, were evaluated for their potential antitumor properties in vitro. MTT assays were used to examine the cytotoxic effects of crude extracts on five human cancer cell lines, namely MCF-7, derived from a breast carcinoma, SK-BR-3, another breast carcinoma, T24 a bladder carcinoma, Col 2, a colorectal carcinoma, and A549, a nonsmall cell lung adenocarcinoma. Hexane extracts showed remarkable cytotoxicity against MCF-7, T24, and Col 2 in a dose-dependent manner. This observation was confirmed by morphological investigation using light microscopy. Further bioassay-directed fractionation of the cytotoxic extract led to the isolation of a TLC-pure isolate labeled as f6l. Isolate f6l was further evaluated using MTT assay and morphological and biochemical investigations, which likewise showed selectivity to MCF-7, T24, and Col 2 cells with $IC_{50}$ values of 16, 17, and 17 ${\mu}g/ml$, respectively. Isolate f6l, however, showed no cytotoxicity towards the non-cancer Chinese hamster ovarian cell line (CHO-AA8). Cytochemical investigation using DAPI staining and biochemical investigation using terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL)-a method used to detect DNA fragmentation-together with caspase assay, demonstrated apoptotic cell death. Spectral characterization of isolate f6l revealed that it contained polyunsaturated fatty acid esters. Considering the cytotoxicity profile and its mode of action, f6l might represent a new promising compound with potential for development as an anticancer drug with low or no toxicity to non-cancer cells used in this study.
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