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Hanif A, Ibrahim AH, Ismail S, Al-Rawi SS, Ahmad JN, Hameed M, Mustufa G, Tanwir S. Cytotoxicity against A549 Human Lung Cancer Cell Line via the Mitochondrial Membrane Potential and Nuclear Condensation Effects of Nepeta paulsenii Briq., a Perennial Herb. Molecules 2023; 28:molecules28062812. [PMID: 36985784 PMCID: PMC10054104 DOI: 10.3390/molecules28062812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 03/11/2023] [Accepted: 03/14/2023] [Indexed: 03/30/2023] Open
Abstract
The genus Nepeta belongs to the largest Lamiaceae family, with 300 species, which are distributed throughout the various regions of Africa, Asia, India, and America. Along with other plant families distinguished by their medicinal and therapeutic values, the Nepeta genus of Lameaceae remains relatively valuable. Hence, the phytochemicals of N. paulsenii Briq. were extracted using different plant parts, i.e., leaves, stem, roots, flowers, and the whole plant by using various solvents (ethanol, water, and ethyl acetate), obtaining 15 fractions. Each extract of dried plant material was analyzed by FT-IR and GC-MS to identify the chemical constituents. The cytotoxicity of each fraction was analyzed by MTT assay and mitochondrial membrane potential and nuclear condensation assays against lung cancer cells. Among the ethyl acetate and ethanolic extracts, the flowers showed the best results, with IC50 values of 51.57 μg/mL and 50.58 μg/mL, respectively. In contrast, among the water extracts of the various plant segments, the stem showed the best results, with an IC50 value of 123.80 μg/mL. 5-flourouracil was used as the standard drug, providing an IC50 value of 83.62 μg/mL. The Hoechst 33342 stain results indicated apoptotic features, i.e., chromatin dissolution and broken down, fragmented, and crescent-shaped nuclei. The ethanolic extracts of the flowers showed more pronounced apoptotic effects on the cells. The mitochondrial membrane potential indicated that rhodamine 123 fluorescence signals suppressed mitochondrial potential due to the treatment with the extracts. Again, the apoptotic index of the ethanolic extract of the flowers remained the highest. Hence it can be concluded that the flower part of N. paulsenii Briq. was found to be the most active against the A459 human lung cancer cell line.
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Affiliation(s)
- Aqsa Hanif
- Department of Botany, University of Agriculture Faisalabad, Faisalabad 38000, Pakistan
| | - Ahmad H Ibrahim
- Pharmacy Department, Faculty of Pharmacy, Tishk International University, 100mt. St., Near Baz Interaction, Erbil 44001, KRG, Iraq
| | - Sidra Ismail
- Incharge Health Officer, BHU 418 GB, Faisalabad 37150, Pakistan
| | - Sawsan S Al-Rawi
- Biology Education Department, Faculty of Education, Tishk International University, 100mt. St., Near Baz Interaction, Erbil 44001, KRG, Iraq
| | - Jam Nazeer Ahmad
- Department of Entomology, University of Agriculture Faisalabad, Faisalabad 38000, Pakistan
| | - Mansoor Hameed
- Department of Botany, University of Agriculture Faisalabad, Faisalabad 38000, Pakistan
| | - Ghulam Mustufa
- Centre of Agricultural Biochemistry and Biotechnology (CABB), University of Agriculture Faisalabad, Faisalabad 38000, Pakistan
| | - Samina Tanwir
- Department of Botany, University of Agriculture Faisalabad, Faisalabad 38000, Pakistan
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2
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Lu YT, Gunathilake M, Kim J. The influence of dietary vegetables and fruits on endometrial cancer risk: a meta-analysis of observational studies. Eur J Clin Nutr 2022; 77:561-573. [PMID: 36151331 DOI: 10.1038/s41430-022-01213-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 09/05/2022] [Accepted: 09/06/2022] [Indexed: 11/09/2022]
Abstract
Fruits and vegetables store many bioactive compounds and micronutrients, making their consumption ideal for maintaining good health. A previous meta-analysis in 2007 provided evidence that high vegetable and cruciferous vegetable intake might help prevent endometrial cancer (EC) development. The current study purposely explored the favorable effects of vegetables, fruits, and their other specific types using a review of the most recent papers. We conducted a systematic search through August 2021 in the PubMed and EMBASE databases on this topic, through which twenty-seven studies, consisting of 21 case-control and 6 cohort studies, were obtained. The results showed that vegetables (pooled odds ratio [OR], relative risk [RR], hazard ratio [HR] = 0.76, 95% confidence interval [CI] 0.63-0.91), cruciferous vegetables (pooled OR = 0.81, 95% CI 0.70-0.94), dark green and yellow/orange combined vegetables (pooled OR = 0.64, 95% CI 0.42-0.97), and fruits (pooled OR = 0.81, 95% CI 0.70-0.92) were strongly associated with a reduced risk of EC. These results were primarily based on studies of high quality and exhibited either by case-control only or a combination of case-control and cohort studies. Additionally, the results varied by geographic location, such as Western areas, the US, and Italy. This meta-analysis suggested that the consumption of fruits and vegetables has beneficial effects on EC risk and that specific kinds of fruits and vegetables should be recommended differently due to their outstanding bioactive components.
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Affiliation(s)
- Y-Thanh Lu
- Department of Cancer Control and Population Health, National Cancer Center Graduate School of Cancer Science and Policy, National Cancer Center, Goyang-si, Gyeonggi-do, South Korea
| | - Madhawa Gunathilake
- Department of Cancer Biomedical Science, National Cancer Center Graduate School of Cancer Science and Policy, National Cancer Center, Goyang-si, Gyeonggi-do, South Korea
| | - Jeongseon Kim
- Department of Cancer Biomedical Science, National Cancer Center Graduate School of Cancer Science and Policy, National Cancer Center, Goyang-si, Gyeonggi-do, South Korea.
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3
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Utilization of plant-derived Myricetin molecule coupled with ultrasound for the synthesis of gold nanoparticles against breast cancer. Naunyn Schmiedebergs Arch Pharmacol 2020; 393:1963-1976. [PMID: 32468137 DOI: 10.1007/s00210-020-01874-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Accepted: 04/14/2020] [Indexed: 12/24/2022]
Abstract
Phytochemical mediated synthesis of nanoparticles has gained great interest in the field of cancer therapeutics. We attempted a simple and stable synthesis of gold nanoparticles (AuNPs) with Myricetin (Myr) adopting ultrasound-assisted method. Further, we evaluated anticancer activity of the synthesized nanoparticles. The physico-chemical properties of biosynthesized Myr-AuNPs were characterized by UV-visible spectrophotometer, Fourier-transform infrared spectroscopy, X-ray diffraction, scanning electron microscopy, energy-dispersive X-ray spectroscopy, and particle size analysis. The study reports of Myr-AuNPs showed spherical-shaped particles with a size of < 50 nm. Stability of the particles was increased in various physiological media. Furthermore, the graph theoretical network analysis of Myr-AuNPs indicated that the probable binding with the mTOR is an effective target for breast cancer cells. In silico molecular docking study of Myr-AuNPs in human mTOR kinase was found to be strong binding. The IC50 value of Myr-AuNPs was calculated as 13 μg mL-1 against MCF-7 cell line. The AO/EB and DAPI stainings confirmed the anticancer activity by Myr-AuNPs-treated cells showed a good proportion of dead cells evidenced with formation of pro-apoptotic bodies. In addition, Myr-AuNPs exhibited depolarization of mitochondrial membrane potential and production of reactive oxygen species. This study proves that Myr-AuNPs holds great promise to use against breast cancer as a potent anticancer drug. Graphical abstract A schematic representation for the biosynthesis of Myr-AuNPs.
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4
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Cao H, Li X, Wang F, Zhang Y, Xiong Y, Yang Q. Phytochemical-Mediated Glioma Targeted Treatment: Drug Resistance and Novel Delivery Systems. Curr Med Chem 2020; 27:599-629. [PMID: 31400262 DOI: 10.2174/0929867326666190809221332] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 03/15/2019] [Accepted: 07/23/2019] [Indexed: 02/08/2023]
Abstract
Glioma, especially its most malignant type, Glioblastoma (GBM), is the most common and the most aggressive malignant tumour in the central nervous system. Currently, we have no specific therapies that can significantly improve its dismal prognosis. Recent studies have reported promising in vitro experimental results of several novel glioma-targeting drugs; these studies are encouraging to both researchers and patients. However, clinical trials have revealed that novel compounds that focus on a single, clear glioma genetic alteration may not achieve a satisfactory outcome or have side effects that are unbearable. Based on this consensus, phytochemicals that exhibit multiple bioactivities have recently attracted much attention. Traditional Chinese medicine and traditional Indian medicine (Ayurveda) have shown that phytocompounds inhibit glioma angiogenesis, cancer stem cells and tumour proliferation; these results suggest a novel drug therapeutic strategy. However, single phytocompounds or their direct usage may not reverse comprehensive malignancy due to poor histological penetrability or relatively unsatisfactory in vivo efficiency. Recent research that has employed temozolomide combination treatment and Nanoparticles (NPs) with phytocompounds has revealed a powerful dual-target therapy and a high blood-brain barrier penetrability, which is accompanied by low side effects and strong specific targeting. This review is focused on major phytocompounds that have contributed to glioma-targeting treatment in recent years and their role in drug resistance inhibition, as well as novel drug delivery systems for clinical strategies. Lastly, we summarize a possible research strategy for the future.
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Affiliation(s)
- Hang Cao
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Xuejun Li
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Feiyifan Wang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Yueqi Zhang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Yi Xiong
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Qi Yang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
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5
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Amini SM, Akbari A. Metal nanoparticles synthesis through natural phenolic acids. IET Nanobiotechnol 2019; 13:771-777. [PMID: 31625516 PMCID: PMC8676617 DOI: 10.1049/iet-nbt.2018.5386] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 06/27/2019] [Accepted: 07/08/2019] [Indexed: 10/24/2023] Open
Abstract
For being applied in medicine as therapeutic agents, nanostructures need to be biocompatible and eco-friendly. Plant-derived phenolic acids have been utilised for green synthesis of metallic or metallic oxide nanoparticles (NPs). The phenolic acids play role as both reducing agents and stabilisers in the process of NPs synthesis. Many experiments have been dedicated to develop efficient green synthesis techniques for producing metal NPs. Using phenolic acids represents a reproducible, simple, profitable, and cost-effective strategy to synthesise metal NPs. As a phytochemical for metal NPs synthesis, phenolic acids are antioxidants that represent many health benefits. However, limited studies have been dedicated to the synthesis and characterisation of NPs produced by phenolic acids. Thus, this review focused on phenolic acids mediated nanomaterial synthesis and its biomedical applications. It should be noted the mechanism of metal ion bioreduction, phenolic acids surface adsorption, characterisation, and toxicity of metal NPs made with different phenolic acids have been discussed in this review.
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Affiliation(s)
- Seyed Mohammad Amini
- Radiation Biology Research Center, Iran University of Medical Sciences, Tehran, Iran.
| | - Abolfazl Akbari
- Colorectal Research Center, Iran University of Medical Sciences, Tehran, Iran
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Kabała-Dzik A, Rzepecka-Stojko A, Kubina R, Wojtyczka RD, Buszman E, Stojko J. Caffeic Acid Versus Caffeic Acid Phenethyl Ester in the Treatment of Breast Cancer MCF-7 Cells: Migration Rate Inhibition. Integr Cancer Ther 2018; 17:1247-1259. [PMID: 30246565 PMCID: PMC6247537 DOI: 10.1177/1534735418801521] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Epithelium mammary carcinoma is a cancer with a high death rate among women. One factor having a significant impact on metastasis is cell migration. The aim of this study was to compare migration rate inhibition of caffeic acid (CA) and its phenethyl ester (CAPE) on MCF-7 breast cancer cells. Microscopic evaluation was used to determine the morphology of carcinoma cells, before and after 24-hour treatment with CA and CAPE using a dose of 50 µM. The cytotoxic effect was measured by XTT-NR-SRB assay (tetrazolium hydroxide-neutral red-Sulforhodamine B) for 24-hour and 48-hour periods, using CA and CAPE, with doses of 50 and 100 µM. These doses were used to determine cell migration inhibition using a wound closure assay for 0-hour, 8-hour, 16-hour, and 24-hour periods. Both CA and CAPE treatments displayed cytotoxic activity in a dose- and time-dependent trend. CAPE displayed IC50 values more than twice as low as CA. IC50 values for the XTT assay were as follows: CA was 102.98 µM for 24 hours and 59.12 µM for 48 hours, while CAPE was 56.39 µM for 24 hours and 28.10 µM for 48 hours. For the NR assay: CA was 84.87 µM at 24 hours and 65.05 µM at 48 hours, while CAPE was 69.05 µM at 24 hours and 29.05 µM at 48 hours. For the SRB assay: At 24 hours, CA was 83.47 µM and 53.46 µM at 48 hours, while CAPE was 38.53 µM at 24 hours and 20.15 µM at 48 hours. Both polyphenols induced migration inhibition, resulting in practically halting the wound closure. CAPE produced better results than CA with the same doses and experiment times, though both CA and CAPE displayed cytotoxic activity against MCF-7 cells, as well as inhibited migration.
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Affiliation(s)
- Agata Kabała-Dzik
- 1 Medical University of Silesia in Katowice, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Poland
| | - Anna Rzepecka-Stojko
- 1 Medical University of Silesia in Katowice, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Poland
| | - Robert Kubina
- 1 Medical University of Silesia in Katowice, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Poland
| | - Robert Dariusz Wojtyczka
- 1 Medical University of Silesia in Katowice, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Poland
| | - Ewa Buszman
- 1 Medical University of Silesia in Katowice, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Poland
| | - Jerzy Stojko
- 1 Medical University of Silesia in Katowice, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Poland
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Zaim Ö, Doğanlar O, Zreigh MM, Doğanlar ZB, Özcan H. Synthesis, Cancer-Selective Antiproliferative and Apoptotic Effects of Some (±)-Naringenin Cycloaminoethyl Derivatives. Chem Biodivers 2018; 15:e1800016. [PMID: 29766645 DOI: 10.1002/cbdv.201800016] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Accepted: 05/04/2018] [Indexed: 12/17/2022]
Abstract
Naringenin is a naturally occurring flavonoid and due to its broad spectrum of biological activities, including anticancer properties, has attracted scientific attention in recent years. To contribute to these studies, we synthesized some new (±)-naringenin cyclic aminoethyl derivatives, analyzed the cytotoxic and anti-proliferative properties of them via 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay, and mitochondrial apoptosis signaling response and gene expressions belong to caspase-3 depended apoptosis as biomarkers in both healthy and cancer cell lines. Our results suggest that some of our naringenin derivatives are potential anticancer agents with a selective death potential and targeting properties for mitochondrial apoptosis signaling against at least human cervix and breast cancer.
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Affiliation(s)
- Ömer Zaim
- Department of Chemistry, Trakya University, 22030, Edirne, Turkey
| | - Oğuzhan Doğanlar
- Department of Medical Biology, Faculty of Medicine, Trakya University, 22030, Edirne, Turkey
| | - Mohamed M Zreigh
- Department of Chemistry, Faculty of Science, Zawia University, P.O. Box 16168, Zawia, Libya
| | - Zeynep Banu Doğanlar
- Department of Medical Biology, Faculty of Medicine, Trakya University, 22030, Edirne, Turkey
| | - Hafize Özcan
- Department of Chemistry, Trakya University, 22030, Edirne, Turkey
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8
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Cutillas AB, Carrasco A, Martinez-Gutierrez R, Tomas V, Tudela J. Thymus mastichina L. essential oils from Murcia (Spain): Composition and antioxidant, antienzymatic and antimicrobial bioactivities. PLoS One 2018; 13:e0190790. [PMID: 29304179 PMCID: PMC5755899 DOI: 10.1371/journal.pone.0190790] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Accepted: 12/20/2017] [Indexed: 11/18/2022] Open
Abstract
The compositions of essential oils (EOs) from Spanish marjoram (Thymus mastichina L.) grown in several bioclimatic zones of Murcia (SE Spain) were studied to determine their absolute and relative concentrations using gas chromatography-mass spectrometry. 1,8-Cineole and linalool were the main components, followed by α-pinene, β-pinene and α-terpineol. (-)-Linalool, (+)-α-terpineol and (+)-α-pinene were the most abundant enantiomers. When the antioxidant capacities of T. mastichina EOs and their compounds were measured by five methods, EOs and linalool, linalyl acetate, α-terpinene and γ-terpinene, among others, showed antioxidant activities. All four T. mastichina EOs inhibited both lipoxygenase and acetylcholinesterase activities, and they might be useful for further research into inflammatory and Alzheimer diseases. Bornyl acetate and limonene showed the highest lipoxygenase inhibition and 1,8-cineole was the best acetylcholinesterase inhibitor. Moreover, these EOs inhibited the growth of Escherichia coli, Staphylococcus aureus and Candida albicans due to the contribution of their individual compounds. The results underline the potential use of these EOs in manufactured products, such as foodstuff, cosmetics and pharmaceuticals.
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Affiliation(s)
- Ana-Belen Cutillas
- GENZ-Group of research on Enzymology, Department of Biochemistry and Molecular Biology-A, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Murcia, Spain
| | - Alejandro Carrasco
- GENZ-Group of research on Enzymology, Department of Biochemistry and Molecular Biology-A, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Murcia, Spain
| | | | - Virginia Tomas
- Department of Analytical Chemistry, University of Murcia, Murcia, Spain
| | - Jose Tudela
- GENZ-Group of research on Enzymology, Department of Biochemistry and Molecular Biology-A, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Murcia, Spain
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Kabała-Dzik A, Rzepecka-Stojko A, Kubina R, Jastrzębska-Stojko Ż, Stojko R, Wojtyczka RD, Stojko J. Migration Rate Inhibition of Breast Cancer Cells Treated by Caffeic Acid and Caffeic Acid Phenethyl Ester: An In Vitro Comparison Study. Nutrients 2017; 9:nu9101144. [PMID: 29048370 PMCID: PMC5691760 DOI: 10.3390/nu9101144] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 10/03/2017] [Accepted: 10/03/2017] [Indexed: 12/20/2022] Open
Abstract
One of the deadliest cancers among women is a breast cancer. Research has shown that two natural substances occurring in propolis, caffeic acid (CA) and caffeic acid phenethyl ester (CAPE), have significant anticancer effects. The purpose of our in vitro study was to compare cytotoxic activity and migration rate inhibition using CA and CAPE (doses of 50 and 100 µm) against triple-negative, MDA-MB-231 breast adenocarcinoma line cells, drawn from Caucasian women. Viability was measured by XTT-NR-SRB assay (Tetrazolium hydroxide-Neutral Red-Sulforhodamine B) for 24 h and 48 h periods. Cell migration for wound healing assay was taken for 0 h, 8 h, 16 h, and 24 h periods. CAPE displayed more than two times higher cytotoxicity against MDA-MB-231 cells. IC50 values for the XTT assay were as follows: CA for 24 h and 48 h were 150.94 µM and 108.42 µM, respectively, while CAPE was 68.82 µM for 24 h and 55.79 µM for 48 h. For the NR assay: CA was 135.85 µM at 24 h and 103.23 µM at 48 h, while CAPE was 64.04 µM at 24 h and 53.25 µM at 48 h. For the SRB assay: CA at 24 h was 139.80 µM and at 48 h 103.98 µM, while CAPE was 66.86 µM at 24 h and 47.73 µM at 48 h. Both agents suspended the migration rate; however, CAPE displayed better activity. Notably, for the 100 µM CAPE dose, motility of the tested breast carcinoma cells was halted.
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Affiliation(s)
- Agata Kabała-Dzik
- Department of Pathology, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia in Katowice, Ostrogórska 30, 41-200 Sosnowiec, Poland.
| | - Anna Rzepecka-Stojko
- Department of Pharmaceutical Chemistry, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia in Katowice, Jagiellońska 4, 41-200 Sosnowiec, Poland.
| | - Robert Kubina
- Department of Pathology, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia in Katowice, Ostrogórska 30, 41-200 Sosnowiec, Poland.
| | - Żaneta Jastrzębska-Stojko
- Department of Anesthesiology and Intensive Care, Prof. K. Gibiński University Clinical Center, Medical University of Silesia in Katowice, Ceglana 35, 40-514 Katowice, Poland.
| | - Rafał Stojko
- Department of Women Health, School of Health Sciences, Medical University of Silesia in Katowice, Medyków 12, 40-752 Katowice, Poland.
| | - Robert Dariusz Wojtyczka
- Department and Institute of Microbiology and Virology, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia in Katowice, Jagiellońska 4, 41-200 Sosnowiec, Poland.
| | - Jerzy Stojko
- Department of Toxicology and Bioanalysis, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia in Katowice, Jagiellońska 4, 41-200 Sosnowiec, Poland.
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Cutillas AB, Carrasco A, Martinez-Gutierrez R, Tomas V, Tudela J. Composition and Antioxidant, Antienzymatic and Antimicrobial Activities of Volatile Molecules from Spanish Salvia lavandulifolia (Vahl) Essential Oils. Molecules 2017; 22:E1382. [PMID: 28825692 PMCID: PMC6152226 DOI: 10.3390/molecules22081382] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 08/14/2017] [Accepted: 08/18/2017] [Indexed: 01/29/2023] Open
Abstract
The current study describes the composition of Salvia lavandulifolia (Vahl) essential oils (SlEOs) obtained from plants cultivated in Murcia (Spain), as determined by gas chromatography. Relative and absolute concentrations, the enantiomeric ratios of chiral compounds and the in vitro antioxidant, antienzymatic and antimicrobial activities are described. The main components of the SlEOs were camphor, 1,8-cineole, camphene and α-pinene, and the main enantiomers were (+)-camphor and (-)-camphene. The activities against free radicals and the capacity to reduce and chelate metallic ions were measured. SlEO-3 showed the highest activity in ORAC, DPPH, ABTS and reducing power methods, while SlEO-1 exhibited the highest chelating power. The activity of lipoxygenase and acetylcholinesterase could be inhibited by all the SlEOs, being bornyl acetate and limonene the most active individual compounds against lipoxygenase and 1,8-cineole against acetylcholinesterase. SlEOs and some individual compounds inhibited Escherichia coli, Staphylococcus aureus and Candida albicans. These results increase our knowledge of SlEOs and, particularly, provide for the first time a complete characterization of SlEOs from Murcia, Spain, while proposing possible biotechnological uses for them.
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Affiliation(s)
- Ana-Belen Cutillas
- GENZ-Group of Research on Enzymology, Department of Biochemistry and Molecular Biology-A, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30100 Murcia, Spain.
| | - Alejandro Carrasco
- GENZ-Group of Research on Enzymology, Department of Biochemistry and Molecular Biology-A, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30100 Murcia, Spain.
| | | | - Virginia Tomas
- Department of Analytical Chemistry, University of Murcia, 30100 Murcia, Spain.
| | - Jose Tudela
- GENZ-Group of Research on Enzymology, Department of Biochemistry and Molecular Biology-A, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30100 Murcia, Spain.
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11
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Cutillas AB, Carrasco A, Martinez-Gutierrez R, Tomas V, Tudela J. Salvia officinalis L. Essential Oils from Spain: Determination of Composition, Antioxidant Capacity, Antienzymatic, and Antimicrobial Bioactivities. Chem Biodivers 2017; 14. [PMID: 28477412 DOI: 10.1002/cbdv.201700102] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2017] [Accepted: 05/02/2017] [Indexed: 01/21/2023]
Abstract
Four essential oils (EOs) from Salvia officinalis L. cultivated in Spain (Murcia Province) were analyzed by gas chromatography coupled with mass spectrometry (GC/MS) to determine their relative and absolute compositions. The main components were α-thujone (22.8 - 41.7%), camphor (10.7 - 19.8%), 1,8-cineole (4.7 - 15.6%), and β-thujone (6.1 - 15.6%). Enantioselective gas chromatography identified (-)-α-thujone and (+)-camphor as the main enantiomers in all the analyzed EOs. Furthermore, when the EOs were tested to determine their antioxidant activity against free radicals and as ferric reducing and ferrous chelating agents, all were seen to have moderate activity due to the compounds they contained, such as linalool or terpinene. Because of their known relation with inflammatory illnesses and Alzheimer's disease, respectively, the inhibition of lipoxygenase and acetylcholinesterase was studied using the EOs. Some individual compounds also inhibited these enzymes. In addition, the studied EOs were able to inhibit the growth of Escherichia coli, Staphylococcus aureus, and Candida albicans. The characterization carried out increases our awareness of the possible uses of S. officinalis EO as natural additives in food, cosmetics, and pharmaceuticals.
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Affiliation(s)
- Ana-Belen Cutillas
- GENZ-Group of Research on Enzymology (www.um.es/genz), Department of Biochemistry and Molecular Biology-A, Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, 30100, Murcia, Spain
| | - Alejandro Carrasco
- GENZ-Group of Research on Enzymology (www.um.es/genz), Department of Biochemistry and Molecular Biology-A, Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, 30100, Murcia, Spain
| | | | - Virginia Tomas
- Department of Analytical Chemistry, University of Murcia, 30100, Murcia, Spain
| | - Jose Tudela
- GENZ-Group of Research on Enzymology (www.um.es/genz), Department of Biochemistry and Molecular Biology-A, Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, 30100, Murcia, Spain
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12
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Charepalli V, Reddivari L, Vadde R, Walia S, Radhakrishnan S, Vanamala JKP. Eugenia jambolana (Java Plum) Fruit Extract Exhibits Anti-Cancer Activity against Early Stage Human HCT-116 Colon Cancer Cells and Colon Cancer Stem Cells. Cancers (Basel) 2016; 8:cancers8030029. [PMID: 26927179 PMCID: PMC4810113 DOI: 10.3390/cancers8030029] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Revised: 02/20/2016] [Accepted: 02/22/2016] [Indexed: 12/20/2022] Open
Abstract
The World Health Organization predicts over a 70% increase in cancer incidents in developing nations over the next decade. Although these nations have limited access to novel therapeutics, they do have access to foods that contain chemopreventive bioactive compounds such as anthocyanins, and as such, consumption of these foods can be encouraged to combat cancer. We and others have previously characterized the anti-colon cancer properties of dietary anthocyanins from different sources. Eugenia jambolana (Java plum) is a tropical medicinal fruit rich in anthocyanins, however, its anti-colon cancer properties are not well characterized. Furthermore, recent evidence suggests that colon cancer stem cells (colon CSCs) promote resistance to chemotherapy, relapse of tumors and contribute to poor prognosis. The objectives of this study were to 1) characterize the anthocyanin profile of Java plum using HPLC-MS; and 2) determine the anti-proliferative (cell counting and MTT) and pro-apoptotic (TUNEL and caspase 3/7 glo assay) properties of Java plum fruit extract (JPE) using HCT-116 colon cancer cell line and colon CSCs (positive for CD 44, CD 133 and ALDH1b1 markers). HPLC-MS analysis showed that JPE contains a variety of anthocyanins including glucosides of delphinidin, cyanidin, petunidin, peonidin and malvidin. JPE anthocyanins suppressed (p < 0.05) proliferation in HCT-116 cells and elevated (p < 0.05) apoptosis in both HCT-116 cells and colon CSCs. JPE also suppressed the stemness in colon CSCs as evaluated using colony formation assay. These results warrant further assessment of the anti-cancer activity of JPE, and its molecular mechanisms using pre-clinical models of colon cancer.
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Affiliation(s)
- Venkata Charepalli
- Departmetn of Food Science, The Pennsylvania State University, University Park, PA 16802, USA.
| | - Lavanya Reddivari
- Departmetn of Plant Science, The Pennsylvania State University, University Park, PA 16802, USA.
| | - Ramakrishna Vadde
- Departmetn of Food Science, The Pennsylvania State University, University Park, PA 16802, USA.
| | - Suresh Walia
- Division of Agricultural Chemicals, Indian Agricultural Research Institute, New Delhi 110001, India.
| | - Sridhar Radhakrishnan
- Departmetn of Food Science, The Pennsylvania State University, University Park, PA 16802, USA.
| | - Jairam K P Vanamala
- Departmetn of Food Science, The Pennsylvania State University, University Park, PA 16802, USA.
- The Pennsylvania State Hershey Cancer Institute, Penn State Milton S Hershey Medical Center, Hershey, PA 16802, USA.
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13
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Bailon-Moscoso N, González-Arévalo G, Velásquez-Rojas G, Malagon O, Vidari G, Zentella-Dehesa A, Ratovitski EA, Ostrosky-Wegman P. Phytometabolite Dehydroleucodine Induces Cell Cycle Arrest, Apoptosis, and DNA Damage in Human Astrocytoma Cells through p73/p53 Regulation. PLoS One 2015; 10:e0136527. [PMID: 26309132 PMCID: PMC4550445 DOI: 10.1371/journal.pone.0136527] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2015] [Accepted: 08/04/2015] [Indexed: 12/01/2022] Open
Abstract
Accumulating evidence supports the idea that secondary metabolites obtained from medicinal plants (phytometabolites) may be important contributors in the development of new chemotherapeutic agents to reduce the occurrence or recurrence of cancer. Our study focused on Dehydroleucodine (DhL), a sesquiterpene found in the provinces of Loja and Zamora-Chinchipe. In this study, we showed that DhL displayed cytostatic and cytotoxic activities on the human cerebral astrocytoma D384 cell line. With lactone isolated from Gynoxys verrucosa Wedd, a medicinal plant from Ecuador, we found that DhL induced cell death in D384 cells by triggering cell cycle arrest and inducing apoptosis and DNA damage. We further found that the cell death resulted in the increased expression of CDKN1A and BAX proteins. A marked induction of the levels of total TP73 and phosphorylated TP53, TP73, and γ-H2AX proteins was observed in D384 cells exposed to DhL, but no increase in total TP53 levels was detected. Overall these studies demonstrated the marked effect of DhL on the diminished survival of human astrocytoma cells through the induced expression of TP73 and phosphorylation of TP73 and TP53, suggesting their key roles in the tumor cell response to DhL treatment.
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Affiliation(s)
- Natalia Bailon-Moscoso
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, México, D. F., Mexico
- Departamento de Ciencias de la Salud, Universidad Técnica Particular de Loja, Loja, Ecuador
| | | | | | - Omar Malagon
- Departamento de Química Aplicada, Universidad Técnica Particular de Loja, Loja, Ecuador
- Dipartimento di Chimica Organica, University of Pavia, Pavia, Italy
| | - Giovanni Vidari
- Dipartimento di Chimica Organica, University of Pavia, Pavia, Italy
| | - Alejandro Zentella-Dehesa
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, México, D. F., Mexico
- Departamento de Bioquímica, Instituto Nacional de Ciencias Médicas y Nutrición“Salvador Zubirán”, México, D. F., Mexico
| | - Edward A. Ratovitski
- Departamento de Ciencias de la Salud, Universidad Técnica Particular de Loja, Loja, Ecuador
- Head and Neck Cancer Research Division, Johns Hopkins University School of Medicine, Baltimore, United States of America
| | - Patricia Ostrosky-Wegman
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, México, D. F., Mexico
- * E-mail:
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14
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Casas-Grajales S, Muriel P. Antioxidants in liver health. World J Gastrointest Pharmacol Ther 2015; 6:59-72. [PMID: 26261734 PMCID: PMC4526841 DOI: 10.4292/wjgpt.v6.i3.59] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Revised: 06/04/2015] [Accepted: 06/18/2015] [Indexed: 02/06/2023] Open
Abstract
Liver diseases are a worldwide medical problem because the liver is the principal detoxifying organ and maintains metabolic homeostasis. The liver metabolizes various compounds that produce free radicals (FR). However, antioxidants scavenge FR and maintain the oxidative/antioxidative balance in the liver. When the liver oxidative/antioxidative balance is disrupted, the state is termed oxidative stress. Oxidative stress leads to deleterious processes in the liver and produces liver diseases. Therefore, restoring antioxidants is essential to maintain homeostasis. One method of restoring antioxidants is to consume natural compounds with antioxidant capacity. The objective of this review is to provide information pertaining to various antioxidants found in food that have demonstrated utility in improving liver diseases.
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15
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CAPE Analogs Induce Growth Arrest and Apoptosis in Breast Cancer Cells. Molecules 2015; 20:12576-89. [PMID: 26184141 PMCID: PMC6332101 DOI: 10.3390/molecules200712576] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 07/04/2015] [Accepted: 07/07/2015] [Indexed: 01/24/2023] Open
Abstract
Breast cancer is the second leading cause of death amongst women worldwide. As a result, many have turned their attention to new alternative approaches to treat this disease. Caffeic acid phenylethyl ester (CAPE), a well-known active compound from bee propolis, has been previously identified as a strong antioxidant, anti-inflammatory, antiviral and anticancer molecule. In fact, CAPE is well documented as inducing cell death by inhibiting NFκB and by inducing pro-apoptotic pathways (i.e., p53). With the objective of developing stronger anticancer compounds, we studied 18 recently described CAPE derivatives for their ability to induce apoptosis in breast cancer cell lines. Five of the said compounds, including CAPE, were selected and subsequently characterised for their anticancer mechanism of action. We validated that CAPE is a potent inducer of caspase-dependent apoptosis. Interestingly, some newly synthesized CAPE derivatives also showed greater cell death activity than the lead CAPE structure. Similarly to CAPE, analog compounds elicited p53 activation. Interestingly, one compound in particular, analog 10, induced apoptosis in a p53-mutated cell line. These results suggest that our new CAPE analog compounds may display the capacity to induce breast cancer apoptosis in a p53-dependent and/or independent manner. These CAPE analogs could thus provide new therapeutic approaches for patients with varying genotypic signatures (such as p53 mutations) in a more specific and targeted fashion.
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16
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Hesperidin ameliorates trichloroethylene-induced nephrotoxicity by abrogation of oxidative stress and apoptosis in wistar rats. Mol Cell Biochem 2015; 406:9-20. [DOI: 10.1007/s11010-015-2400-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Accepted: 03/27/2015] [Indexed: 12/27/2022]
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17
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Min SJ, Lim JY, Kim HR, Kim SJ, Kim Y. Sasa quelpaertensis Leaf Extract Inhibits Colon Cancer by Regulating Cancer Cell Stemness in Vitro and in Vivo. Int J Mol Sci 2015; 16:9976-97. [PMID: 25941936 PMCID: PMC4463628 DOI: 10.3390/ijms16059976] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Revised: 04/22/2015] [Accepted: 04/24/2015] [Indexed: 01/12/2023] Open
Abstract
A rare subpopulation of cancer cells, termed cancer stem cells (CSCs), may be responsible for tumor relapse and resistance to conventional chemotherapy. The development of a non-toxic, natural treatment for the elimination of CSCs is considered a strategy for cancer treatment with minimal side effects. In the present study, the potential for Sasa quelpaertensis leaf extract (SQE) and its two bioactive compounds, tricin and p-coumaric acid, to exert anti-CSC effects by suppressing cancer stemness characteristics were evaluated in colon cancer cells. CD133+CD44+ cells were isolated from HT29 and HCT116 cell lines using flow-activated cell sorting (FACs). SQE treatment was found to significantly suppress the self-renewal capacity of both cell lines. SQE treatment was also associated with the down-regulation of β-catenin and phosphorylated GSK3β, while significantly enhancing cell differentiation by up-regulating CK20 expression and blocking the expression of several stem cell markers, including DLK1, Notch1, and Sox-2. In vivo, SQE supplementation suppressed tumor growth in a xenograft model by down-regulating stem cell markers and β-catenin as well as HIF-1α signaling. Compared with two bioactive compounds of SQE, SQE exhibited the most effective anti-CSC properties. Taken together, these results provide evidence that SQE inhibits colon cancer by regulating the characteristics of CSCs.
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Affiliation(s)
- Soo Jin Min
- Department of Nutritional Science and Food Management, Ewha Womans University, Seoul 120-750, Korea.
| | - Ji Ye Lim
- Department of Nutritional Science and Food Management, Ewha Womans University, Seoul 120-750, Korea.
| | - Haeng Ran Kim
- National Academy of Agricultural Science, Rural Development Administration, Jeollabuk-do 565-851, Korea.
| | - Se-Jae Kim
- Department of Biology, Jeju National University, Jejusi, Jeju 690-756, Korea.
| | - Yuri Kim
- Department of Nutritional Science and Food Management, Ewha Womans University, Seoul 120-750, Korea.
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Aceituno-Medina M, Mendoza S, Rodríguez BA, Lagaron JM, López-Rubio A. Improved antioxidant capacity of quercetin and ferulic acid during in-vitro digestion through encapsulation within food-grade electrospun fibers. J Funct Foods 2015. [DOI: 10.1016/j.jff.2014.11.028] [Citation(s) in RCA: 96] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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In vivo and in vitro antitumor effects of platycodin d, a saponin purified from platycodi radix on the h520 lung cancer cell. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2014; 2014:478653. [PMID: 25477992 PMCID: PMC4247928 DOI: 10.1155/2014/478653] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Revised: 10/08/2014] [Accepted: 10/18/2014] [Indexed: 12/23/2022]
Abstract
Platycodin D is a major pharmacological constituent of Platycodi radix and has showed various pharmacological activities through oxidative stress defense mechanisms. Here, possible antitumor, anticachexia, and immunomodulatory activities of platycodin D were observed on the H520 tumor cell-bearing athymic nude mice after confirming the in vitro cytotoxicity. Platycodin D was orally administered at dose levels of 200, 100, and 50 mg/kg, once a day for 35 days from 15 days after implantation. The results were compared with gemcitabine 160 mg/kg intraperitoneally treated mice (7-day intervals). Platycodin D showed favorable cytotoxic effects on the H520 cells, and also dose-dependently decreased the tumor volumes and weights with increases of apoptotic cells (caspase-3 and PARP immunopositive cells), iNOS and TNF-α immunoreactivities, decreases of COX-2 immunoreactivities in tumor masses. Platycodin D also showed dose-dependent immunostimulatory and anticachexia effects. Gemcitabine showed favorable cytotoxity against H520 tumor cell and related in vivo antitumor effects but aggravated the cancer related cachexia and immunosuppress in H520 tumor cell-bearing athymic nude mice. Taken together, it is considered that oral treatment of platycodin D has potent antitumor activities on H520 cells through direct cytotoxic effects, increases of apoptosis in tumor cells, and immunostimulatory effects and can be control cancer related cachexia.
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20
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Rastogi H, Jana S. Evaluation of Inhibitory Effects of Caffeic acid and Quercetin on Human Liver Cytochrome P450 Activities. Phytother Res 2014; 28:1873-8. [DOI: 10.1002/ptr.5220] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2014] [Revised: 07/13/2014] [Accepted: 08/09/2014] [Indexed: 11/09/2022]
Affiliation(s)
- Himanshu Rastogi
- Suresh Gyan Vihar University; Mahal, Jagatpura Jaipur 302025 India
| | - Snehasis Jana
- Laila Research and Development Centre; Vijayawada 520007 India
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21
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Chou ST, Lin HC, Chuang MY, Chiu TH. Treatment with C
aulerpa Microphysa
Pepsin-Digested Extract Induces Apoptosis in Murine Leukemia WEHI-3 Cells. J Food Biochem 2014. [DOI: 10.1111/jfbc.12079] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Su-Tze Chou
- Department of Food and Nutrition; Providence University; Taichung Taiwan
| | - Hui-Chiu Lin
- Penghu Marine Biology Research Center; Fisheries Research Institute; Penghu County Taiwan
| | - Mei-Yu Chuang
- Department of Food and Nutrition; Providence University; Taichung Taiwan
| | - Tsai-Hsin Chiu
- Department of Food Science; National Penghu University of Science and Technology; 300 Liu-Ho Rd. Magong City, Penghu County 880 Taiwan
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22
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Yin X, Zhang R, Feng C, Zhang J, Liu D, Xu K, Wang X, Zhang S, Li Z, Liu X, Ma H. Diallyl disulfide induces G2/M arrest and promotes apoptosis through the p53/p21 and MEK-ERK pathways in human esophageal squamous cell carcinoma. Oncol Rep 2014; 32:1748-56. [PMID: 25175641 DOI: 10.3892/or.2014.3361] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2014] [Accepted: 07/08/2014] [Indexed: 12/12/2022] Open
Abstract
Esophageal squamous cell carcinoma (ESCC) is an aggressive tumor with high incidence and mortality worldwide. Diallyl disulfide (DADS) is a natural organosulfur compound, isolated from garlic. In this study, MTT assay showed that DADS significantly reduced cell viability in a dose- and time-dependent manner in ESCC cells, with lower toxicity in normal liver cells. Cell cycle analysis revealed that DADS made G2/M phase arrest. Molecular analysis suggested that this cell cycle arrest was likely made by the decrease of cyclin B1, cdc2, p-cdc2, cdc25c in concomitance with activation of the p53/p21 pathway. Apoptosis was detected by Annexin V/PI staining. The molecule markers showed that DADS induced apoptosis through activating caspases, altering the Bax/Bcl-2 balance and suppressing the MEK-ERK pathway. Our data indicated that DADS has the potential to be an effective and safe anticancer agent for ESCC therapy in the near future.
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Affiliation(s)
- Xiaoran Yin
- Department of Oncology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Rong Zhang
- Department of Gastroenterology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, P.R. China
| | - Cheng Feng
- Department of Digestion, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Jun Zhang
- Department of Digestion, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Dong Liu
- Department of Digestion, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Kun Xu
- Department of Oncology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Xijing Wang
- Department of Oncology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Shuqun Zhang
- Department of Oncology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Zongfang Li
- Department of General Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Xinlian Liu
- Department of Oncology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Hongbing Ma
- Department of Oncology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
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Goh BH, Chan CK, Kamarudin MNA, Abdul Kadir H. Swietenia macrophylla King induces mitochondrial-mediated apoptosis through p53 upregulation in HCT116 colorectal carcinoma cells. JOURNAL OF ETHNOPHARMACOLOGY 2014; 153:375-385. [PMID: 24613274 DOI: 10.1016/j.jep.2014.02.036] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2013] [Revised: 01/10/2014] [Accepted: 02/16/2014] [Indexed: 06/03/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Swietenia macrophylla King is a traditional herb used to treat various diseases including hypertension, diabetes and cancer. Previous study demonstrated its anti-tumor effect but the potential mechanisms have not been clearly defined. The current study was to further investigate the underlying mechanism of ethyl acetate fraction of Swietenia macrophylla (SMEAF)-induced anti-proliferative effect and apoptosis in HCT116 colorectal carcinoma cell. MATERIALS AND METHODS Cell viability was evaluated in HCT116 cells by trypan blue exclusion assay. Apoptotic cell death was detected by Hoechst 33342/propidium iodide (PI) staining and intracellular reactive oxygen species (ROS) was analyzed by flow cytometry. The apoptotic gene and protein expression were determined by Real-time quantitative PCR (q-PCR) and immunofluorescence staining using flow cytometry, respectively. RESULTS SMEAF significantly inhibited HCT116 cell viability and induced apoptosis in a dose-dependent manner. SMEAF-induced apoptosis was triggered by the activation of p53 and intracellular reactive oxygen species (ROS) production. Moreover, the significant increase in p53 was accompanied by a decrease murine double minute 2 (MDM2) expression. SMEAF significantly increased the expression of the Bax protein resulting in a markedly elevated Bax/Bcl-2 ratio which may have triggered the mitochondrial apoptotic pathway, resulting in caspase-3/7 and caspase-9 activation. CONCLUSION These results suggested that SMEAF exerts its antitumor activity in HCT116 cells by activating proapoptotic signaling pathway through intracellular ROS formation triggering the mitochondrial-mediated pathway via p53 activation.
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Affiliation(s)
- Bey Hing Goh
- Biomolecular Research Group, Biochemistry Program, Institute of Biological Sciences, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Chim Kei Chan
- Biomolecular Research Group, Biochemistry Program, Institute of Biological Sciences, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Muhamad Noor Alfarizal Kamarudin
- Biomolecular Research Group, Biochemistry Program, Institute of Biological Sciences, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Habsah Abdul Kadir
- Biomolecular Research Group, Biochemistry Program, Institute of Biological Sciences, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia.
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Kaur R, Kaur J, Mahajan J, Kumar R, Arora S. Oxidative stress--implications, source and its prevention. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2014; 21:1599-1613. [PMID: 24170504 DOI: 10.1007/s11356-013-2251-3] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2013] [Accepted: 10/15/2013] [Indexed: 06/02/2023]
Abstract
Oxidative stress has been a major predicament of present day living. It has been the product of imbalance between the processes involved in free radical generation and their neutralization by enzymatic and non-enzymatic defence mechanisms. The oxidative stress has been contributed by numerous factors including heavy metals, organic compound-rich industrial effluents, air pollutants and changing lifestyle pattern focussing mainly on alcohol consumption, dietary habits, sun exposure, nuclear emissions, etc. The most common outcome of oxidative stress is the increased damage of lipid, DNA and proteins that resulted in the development of different pathologies. Among these pathologies, cancer is the most devastating and linked to multiple mutations arising due to oxidative DNA and protein damage that ultimately affect the integrity of the genome. The chemopreventive agents particularly nutraceuticals are found to be effective in reducing cancer incidences as these components have immense antioxidative, antimutagenic and antiproliferative potentials and are an important part of our dietary components. These secondary metabolites, due to their unique chemical structure, facilitate cell-to-cell communication, repair DNA damage by the downregulation of transcription factors and inhibit the activity of protein kinases and cytochrome P450-dependent mixed function oxidases. These phytochemicals, therefore, are most appropriate in combating oxidative stress-related disorders due to their tendency to exert better protective effect without having any distinct side effect.
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Affiliation(s)
- Rajbir Kaur
- Department of Botany, Sri Guru Teg Bahadur Khalsa College, Sri Anandpur Sahib, Ropar, 140118, Punjab, India.
| | - Jasmit Kaur
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, 143005, Punjab, India
| | - Jyoti Mahajan
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, 143005, Punjab, India
| | - Rakesh Kumar
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, 143005, Punjab, India
| | - Saroj Arora
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, 143005, Punjab, India
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25
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Yin H, Pan X, Song Z, Wang S, Yang L, Sun G. Protective effect of wheat peptides against indomethacin-induced oxidative stress in IEC-6 cells. Nutrients 2014; 6:564-74. [PMID: 24481130 PMCID: PMC3942717 DOI: 10.3390/nu6020564] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Revised: 12/23/2013] [Accepted: 01/10/2014] [Indexed: 12/28/2022] Open
Abstract
Recent studies have demonstrated that wheat peptides protected rats against non-steroidal anti-inflammatory drugs-induced small intestinal epithelial cells damage, but the mechanism of action is unclear. In the present study, an indomethacin-induced oxidative stress model was used to investigate the effect of wheat peptides on the nuclear factor-κB(NF-κB)-inducible nitric oxide synthase-nitric oxide signal pathway in intestinal epithelial cells-6 cells. IEC-6 cells were treated with wheat peptides (0, 125, 500 and 2000 mg/L) for 24 h, followed by 90 mg/L indomethacin for 12 h. Wheat peptides significantly attenuated the indomethacin-induced decrease in superoxide dismutase and glutathione peroxidase activity. Wheat peptides at 2000 mg/L markedly decreased the expression of the NF-κB in response to indomethacin-induced oxidative stress. This study demonstrated that the addition of wheat peptides to a culture medium significantly inhibited the indomethacin-induced release of malondialdehyde and nitrogen monoxide, and increased antioxidant enzyme activity in IEC-6 cells, thereby providing a possible explanation for the protective effect proposed for wheat peptides in the prevention of indomethacin-induced oxidative stress in small intestinal epithelial cells.
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Affiliation(s)
- Hong Yin
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing 210009, China.
| | - Xingchang Pan
- China National Research Institute of Food & Fermentation Industries, Beijing 100028, China.
| | - Zhixiu Song
- Second School of Clinical Medical, Nanjing University of Chinese Medicine, Nanjing 210023, China.
| | - Shaokang Wang
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing 210009, China.
| | - Ligang Yang
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing 210009, China.
| | - Guiju Sun
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing 210009, China.
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Ritonavir-Mediated Induction of Apoptosis in Pancreatic Cancer Occurs via the RB/E2F-1 and AKT Pathways. Pharmaceuticals (Basel) 2014; 7:46-57. [PMID: 24451403 PMCID: PMC3915194 DOI: 10.3390/ph7010046] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2013] [Revised: 12/20/2013] [Accepted: 01/02/2014] [Indexed: 11/16/2022] Open
Abstract
Recent observations suggest a lower incidence of malignancies in patients infected with HIV during treatment with Highly Active Anti-Retroviral Therapy (HAART) utilizing protease inhibitors. We investigated the effects of ritonavir, a FDA approved HIV protease inhibitor, on proliferation of pancreatic ductal adeno-carcinoma (PDAC) cell lines. Human PDAC cell lines BxPC-3, MIA PaCa-2, and PANC-1 were propagated under standard conditions and treated with serial dilutions of ritonavir. Ritonavir inhibited cell growth in a dose-dependent manner as well as activated the intrinsic apoptotic pathway in human pancreatic ductal adenocarcinoma (PDAC) cell lines. We observed down-modulation of cell-cycle promoting and up-regulation of cell-cycle inhibitory genes; enhanced interaction of retinoblastoma protein (RB) with E2F-1 transcription factor; inhibition of phosphorylation of RB, resulting in sequestration of E2F-1 and subsequent down-regulation of S phase genes; decreased interaction of E2F-1 with its consensus binding sites; inhibition of cell motility and invasiveness; and inhibition of the AKT pathway. Our results demonstrate a potential use of ritonavir as part of combination chemotherapy for PDAC. Since ritonavir is FDA approved for HIV, drug repositioning for PDAC would limit the costs and reduce risks.
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The functional role of MnSOD as a biomarker of human diseases and therapeutic potential of a new isoform of a human recombinant MnSOD. BIOMED RESEARCH INTERNATIONAL 2014; 2014:476789. [PMID: 24511533 PMCID: PMC3913005 DOI: 10.1155/2014/476789] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2013] [Accepted: 11/19/2013] [Indexed: 01/05/2023]
Abstract
Reactive oxygen species (ROS) are generated as a consequence of metabolic reactions in the mitochondria of eukaryotic cells. This work describes the role of the manganese superoxide dismutase (MnSOD) as a biomarker of different human diseases and proposes a new therapeutic application for the prevention of cancer and its treatment. The paper also describes how a new form of human MnSOD was discovered, its initial application, and its clinical potentials. The MnSOD isolated from a human liposarcoma cell line (LSA) was able to kill cancer cells expressing estrogen receptors, but it did not have cytotoxic effects on normal cells. Together with its oncotoxic activity, the recombinant MnSOD (rMnSOD) exerts a radioprotective effect on normal cells irradiated with X-rays. The rMnSOD is characterized by the presence of a leader peptide, which allows the protein to enter cells: this unique property can be used in the radiodiagnosis of cancer or chemotherapy, conjugating radioactive substances or chemotherapic drugs to the leader peptide of the MnSOD. Compared to traditional chemotherapic agents, the drugs conjugated with the leader peptide of MnSOD can selectively reach and enter cancer cells, thus reducing the side effects of traditional treatments.
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Demir M, Amanvermez R, Kamalı Polat A, Karabıçak İ, Çınar H, Kesicioğlu T, Polat C. The effect of silymarin on mesenteric ischemia-reperfusion injury. Med Princ Pract 2014; 23:140-4. [PMID: 24356575 PMCID: PMC5586953 DOI: 10.1159/000356860] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2013] [Accepted: 10/21/2013] [Indexed: 12/24/2022] Open
Abstract
OBJECTIVE To examine the effect of silymarin (SM), a mixture of flavonoids and polyphenols extracted from Silybum marianum, on mesenteric ischemia-reperfusion (I-R) injury in a rat model. MATERIALS AND METHODS Fifty rats were randomly divided into 5 groups (n = 10). Group 1 was sham operated, while groups 2-5 were subjected to mesenteric I-R lasting 1 h. Group 2 received isotonic sodium chloride, group 3 received SM (100 mg/kg/day) for 7 days before I-R, group 4 received SM for 7 days after I-R, and group 5 received SM for 7 days both before and after I-R. The rats were sacrificed by exsanguination in groups 1-3 at the 24th hour and groups 4 and 5 were sacrificed on the 7th day of reperfusion. Blood and intestinal specimens were taken for biochemical and pathological evaluations. RESULTS Serum superoxide dismutase (SOD) and heat shock protein 70 levels were significantly higher in group 2 (5.24 ± 1.76 U/l and 261.4 ± 16.8 ng/ml) compared to the sham group (2.08 ± 1.76 U/l and 189.9 ± 28.7 ng/ml) (p < 0.001 and p < 0.0001, respectively). However, SOD activity and the extent and severity of the histopathological lesions were significantly less in groups 3 [3.11 ± 1.18 U/l, 1.0 (range 0.0-2.0)], 4 [2.15 ± 0.87 U/l, 1.0 (range 1.0-3.0)], and 5 [1.80 ± 0.61 U/l, 0.5 (range 0.0-2.0)], treated with SM, than in group 2 [5.24 ± 1.76 U/l, 2.0 (range 2.0-3.0)] (p = 0.002, p < 0.001, and p = 0.0001; p < 0.001, p = 0.007, and p = 0.0001, respectively). Also, TNF-α levels were lower in the SM-supplemented groups compared to group 2. Serum thiobarbituric acid-reactive substance concentrations were low in the pre-/posttreatment groups treated with SM compared to group 2. No statistical difference was observed for protein carbonyls between the groups. CONCLUSION Our findings suggest that SM therapy may attenuate the oxidative and intestinal damage induced by I-R injuries.
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Affiliation(s)
- M. Demir
- Department of General Surgery, Ondokuz Mayıs University, Samsun, Turkey
| | - R. Amanvermez
- Department of Medical Biochemistry, Faculty of Medicine, Ondokuz Mayıs University, Samsun, Turkey
- *Dr. Ramazan Amanvermez, Department of Medical Biochemistry, Faculty of Medicine, Ondokuz Mayıs University, TR-55139 Samsun (Turkey), E-Mail
| | - A. Kamalı Polat
- Department of General Surgery, Ondokuz Mayıs University, Samsun, Turkey
| | - İ. Karabıçak
- Department of General Surgery, Ondokuz Mayıs University, Samsun, Turkey
| | - H. Çınar
- Department of General Surgery, Ondokuz Mayıs University, Samsun, Turkey
| | - T. Kesicioğlu
- Department of General Surgery, Ondokuz Mayıs University, Samsun, Turkey
| | - C. Polat
- Department of General Surgery, Ondokuz Mayıs University, Samsun, Turkey
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Martín-Rufián M, Nascimento-Gomes R, Higuero A, Crisma AR, Campos-Sandoval JA, Gómez-García MC, Cardona C, Cheng T, Lobo C, Segura JA, Alonso FJ, Szeliga M, Albrecht J, Curi R, Márquez J, Colquhoun A, Deberardinis RJ, Matés JM. Both GLS silencing and GLS2 overexpression synergize with oxidative stress against proliferation of glioma cells. J Mol Med (Berl) 2013; 92:277-90. [PMID: 24276018 DOI: 10.1007/s00109-013-1105-2] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2013] [Revised: 11/12/2013] [Accepted: 11/13/2013] [Indexed: 12/30/2022]
Abstract
UNLABELLED Mitochondrial glutaminase (GA) plays an essential role in cancer cell metabolism, contributing to biosynthesis, bioenergetics, and redox balance. Humans contain several GA isozymes encoded by the GLS and GLS2 genes, but the specific roles of each in cancer metabolism are still unclear. In this study, glioma SFxL and LN229 cells with silenced isoenzyme glutaminase KGA (encoded by GLS) showed lower survival ratios and a reduced GSH-dependent antioxidant capacity. These GLS-silenced cells also demonstrated induction of apoptosis indicated by enhanced annexin V binding capacity and caspase 3 activity. GLS silencing was associated with decreased mitochondrial membrane potential (ΔΨm) (JC-1 dye test), indicating that apoptosis was mediated by mitochondrial dysfunction. Similar observations were made in T98 glioma cells overexpressing glutaminase isoenzyme GAB, encoded by GLS2, though some characteristics (GSH/GSSG ratio) were different in the differently treated cell lines. Thus, control of GA isoenzyme expression may prove to be a key tool to alter both metabolic and oxidative stress in cancer therapy. Interestingly, reactive oxygen species (ROS) generation by treatment with oxidizing agents: arsenic trioxide or hydrogen peroxide, synergizes with either KGA silencing or GAB overexpression to suppress malignant properties of glioma cells, including the reduction of cellular motility. Of note, negative modulation of GLS isoforms or GAB overexpression evoked lower c-myc and bcl-2 expression, as well as higher pro-apoptotic bid expression. Combination of modulation of GA expression and treatment with oxidizing agents may become a therapeutic strategy for intractable cancers and provides a multi-angle evaluation system for anti-glioma pre-clinical investigations. KEY MESSAGE Silencing GLS or overexpressing GLS2 induces growth inhibition in glioma cell lines. Inhibition is synergistically enhanced after arsenic trioxide (ATO) or H2O2 treatment. Glutatione levels decrease in GLS-silenced cells but augment if GLS2 is overexpressed. ROS synergistically inhibit cell migration by GLS silencing or GLS2 overexpression. c-myc, bid, and bcl-2 mediate apoptosis resulting from GLS silencing or GLS2 overexpression.
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Affiliation(s)
- Mercedes Martín-Rufián
- Department of Molecular Biology and Biochemistry, Faculty of Sciences, Campus de Teatinos, University of Málaga, 29071, Málaga, Spain
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Patra S, Muthuraman MS. Gracilaria edulis extract induces apoptosis and inhibits tumor in Ehrlich ascites tumor cells in vivo. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 13:331. [PMID: 24274337 PMCID: PMC4222716 DOI: 10.1186/1472-6882-13-331] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Accepted: 11/22/2013] [Indexed: 12/11/2022]
Abstract
BACKGROUND Marine environment is inestimable for their chemical and biological diversity and therefore is an extraordinary resource for the discovery of new anticancer drugs. Recent development in elucidation of the mechanism and therapeutic action of natural products helped to evaluate for their potential activity. METHODS We evaluated Gracilaria edulis J. Ag (Brown algae), for its antitumor potential against the Ehrlich ascites tumor (EAT) in vivo and in vitro. Cytotoxicity evaluation of Ethanol Extract of Gracilaria edulis (EEGE) using EAT cells showed significant activity. In vitro studies indicated that EEGE cytotoxicity to EAT cells is mediated through its ability to produce reactive oxygen species (ROS) and therefore decreasing intracellular glutathione (GSH) levels may be attributed to oxidative stress. RESULTS Apoptotic parameters including Annexin-V positive cells, increased levels of DNA fragmentation and increased caspase-2, caspase-3 and caspase-9 activities indicated the mechanism might be by inducing apoptosis. Intraperitoneally administration of EEGE to EAT-bearing mice helped to increase the lifespan of the animals significantly inhibited tumor growth and increased survival of mice. Extensive hematology, biochemistry and histopathological analysis of liver and kidney indicated that daily doses of EEGE up to 300 mg/kg for 35 days are well tolerated and did not cause hematotoxicity nor renal or hepatotoxicity. CONCLUSION Comprehensive antitumor analysis in animal model and in Ehrlich Ascites Tumor cells was done including biochemical, and pathological evaluations indicate antitumor activity of the extract and non toxic in vivo. It was evident that the mechanism explains the apoptotic activity of the algae extract.
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Affiliation(s)
- Satyajit Patra
- Medical University of the Americas, Charlestown, Nevis, West Indies
| | - Meenakshi Sundaram Muthuraman
- Department of Biotechnology, School of Chemical and Biotechnology, SASTRA University Thanjavur, 613401, TamilNadu, India
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Takayama S, Monma Y, Tsubota-Utsugi M, Nagase S, Tsubono Y, Numata T, Toyoshima M, Utsunomiya H, Sugawara J, Yaegashi N. Food intake and the risk of endometrial endometrioid adenocarcinoma in Japanese women. Nutr Cancer 2013; 65:954-60. [PMID: 24053697 DOI: 10.1080/01635581.2013.818158] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The present study examined the association between food intake and endometrial cancer restricted to endometrial endometrioid adenocarcinoma (EEA) using a case-control study in Japanese women. One hundred sixty-one cases and 380 controls who completed a questionnaire regarding demographic, lifestyle, and food frequency questionnaire were analyzed. Odds ratio (OR) between selected food intakes and EEA were calculated by logistic regression analysis. After adjustment putative confounding factors, the higher intakes of vegetables [odds ratio (OR) = 0.47, 95% confidence interval (CI) = 0.26-0.83], peanuts (OR = 0.48, CI = 0.27-0.86), fish (OR = 0.52, CI = 0.29-0.93), boiled egg (OR = 0.24, CI = 0.33-0.92), instant noodles (OR = 1.94, CI = 1.12-3.34), instant food items (OR = 2.21, CI = 1.31-3.74), and deep-fried foods (OR = 2.87, CI = 1.58-5.21) were associated with a risk for EEA. The inverse association with a risk of EEA was also seen in higher intakes (g/1000 kcal) for vegetables (0.45, CI = 0.25-0.81) and fish (0.53, CI = 0.30-0.94) as compare to lower intake. Higher intake of vegetables, peanuts, fish, and boiled egg was associated with a reduced risk for EEA, whereas instant noodles, instant food items, and deep-fried foods was associated with an increased risk for EAA as compared to lower levels of intake.
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Affiliation(s)
- Shin Takayama
- a Comprehensive Education Center for Community Medicine , Tohoku University Graduate School of Medicine , Sendai , Japan
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Lee KM, Kang HS, Yun CH, Kwak HS. Potential in vitro Protective Effect of Quercetin, Catechin, Caffeic Acid and Phytic Acid against Ethanol-Induced Oxidative Stress in SK-Hep-1 Cells. Biomol Ther (Seoul) 2013; 20:492-8. [PMID: 24009840 PMCID: PMC3762280 DOI: 10.4062/biomolther.2012.20.5.492] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2012] [Revised: 07/17/2012] [Accepted: 06/23/2012] [Indexed: 01/21/2023] Open
Abstract
Phytochemicals have been known to exhibit potent antioxidant activity. This study examined cytoprotective effects of phytochemicals including quercetin, catechin, caffeic acid, and phytic acid against oxidative damage in SK-Hep-1 cells induced by the oxidative and non-oxidative metabolism of ethanol. Exposure of the cells to excess ethanol resulted in a significant increase in cytotoxicity, reactive oxygen species (ROS) production, lipid hydroperoxide (LPO), and antioxidant enzyme activity. Excess ethanol also caused a reduction in mitochondrial membrane potential (MMP) and the quantity of reduced glutathione (GSH). Co-treatment of cells with ethanol and quercetin, catechin, caffeic acid and phytic acid significantly inhibited oxidative ethanol metabolism-induced cytotoxicity by blocking ROS production. When the cells were treated with ethanol after pretreatment of 4-methylpyrazole (4-MP), increased cytotoxicity, ROS production, antioxidant enzyme activity, and loss of MMP were observed. The addition of quercetin, catechin, caffeic acid and phytic acid to these cells showed suppression of non-oxidative ethanol metabolism-induced cytotoxicity, similar to oxidative ethanol metabolism. These results suggest that quercetin, catechin, caffeic acid and phytic acid have protective effects against ethanol metabolism-induced oxidative insult in SK-Hep-1 cells by blocking ROS production and elevating antioxidant potentials.
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Affiliation(s)
- Ki-Mo Lee
- Department of Biomedicinal Science & Biotechnology, Pai-Chai University, Daejon 302-735, Republic of Korea ; School of Biological Sciences and Technology, Chonnam National University, Gwangju 500-757, Republic of Korea
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Yaffe PB, Doucette CD, Walsh M, Hoskin DW. Piperine impairs cell cycle progression and causes reactive oxygen species-dependent apoptosis in rectal cancer cells. Exp Mol Pathol 2013; 94:109-14. [DOI: 10.1016/j.yexmp.2012.10.008] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2012] [Revised: 10/04/2012] [Accepted: 10/04/2012] [Indexed: 01/31/2023]
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Da Silva Nunes R, Silva Kahl VF, Da Silva Sarmento M, Richter MF, Abin-Carriquiry JA, Martinez MM, De Barros Falcão Ferraz A, Da Silva J. Genotoxic and Antigenotoxic Activity of Acerola (Malpighia glabraL.) Extract in Relation to the Geographic Origin. Phytother Res 2012. [DOI: 10.1002/ptr.4896] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | - Vivian Francília Silva Kahl
- Laboratory of Toxicologic Genetics, Post-graduation in Cellular and Molecular Biology Applied to Health (PPGBioSaúde); Lutheran Univ. Brazil, ULBRA; 92.425-900; Canoas; RS; Brazil
| | - Merielen Da Silva Sarmento
- Laboratory of Toxicologic Genetics, Post-graduation in Cellular and Molecular Biology Applied to Health (PPGBioSaúde); Lutheran Univ. Brazil, ULBRA; 92.425-900; Canoas; RS; Brazil
| | | | - Juan Andres Abin-Carriquiry
- Departament of Neurochemistry; Instituto de Investigaciones Biológicas Clemente Estable; 11600; Montevideo; Uruguay
| | - Marcela María Martinez
- Departament of Neurochemistry; Instituto de Investigaciones Biológicas Clemente Estable; 11600; Montevideo; Uruguay
| | - Alexandre De Barros Falcão Ferraz
- Laboratory of Pharmacognosis and Phytochemistry - Post-graduation in Cellular and Molecular Biology Applied to Health (PPGBioSaúde); Lutheran Univ. Brazil; 92.425-900; Canoas; RS; Brazil
| | - Juliana Da Silva
- Laboratory of Toxicologic Genetics, Post-graduation in Cellular and Molecular Biology Applied to Health (PPGBioSaúde); Lutheran Univ. Brazil, ULBRA; 92.425-900; Canoas; RS; Brazil
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Limonta P, Montagnani Marelli M, Mai S, Motta M, Martini L, Moretti RM. GnRH receptors in cancer: from cell biology to novel targeted therapeutic strategies. Endocr Rev 2012; 33:784-811. [PMID: 22778172 DOI: 10.1210/er.2012-1014] [Citation(s) in RCA: 106] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The crucial role of pituitary GnRH receptors (GnRH-R) in the control of reproductive functions is well established. These receptors are the target of GnRH agonists (through receptor desensitization) and antagonists (through receptor blockade) for the treatment of steroid-dependent pathologies, including hormone-dependent tumors. It has also become increasingly clear that GnRH-R are expressed in cancer tissues, either related (i.e. prostate, breast, endometrial, and ovarian cancers) or unrelated (i.e. melanoma, glioblastoma, lung, and pancreatic cancers) to the reproductive system. In hormone-related tumors, GnRH-R appear to be expressed even when the tumor has escaped steroid dependence (such as castration-resistant prostate cancer). These receptors are coupled to a G(αi)-mediated intracellular signaling pathway. Activation of tumor GnRH-R by means of GnRH agonists elicits a strong antiproliferative, antimetastatic, and antiangiogenic (more recently demonstrated) activity. Interestingly, GnRH antagonists have also been shown to elicit a direct antitumor effect; thus, these compounds behave as antagonists of GnRH-R at the pituitary level and as agonists of the same receptors expressed in tumors. According to the ligand-induced selective-signaling theory, GnRH-R might assume various conformations, endowed with different activities for GnRH analogs and with different intracellular signaling pathways, according to the cell context. Based on these consistent experimental observations, tumor GnRH-R are now considered a very interesting candidate for novel molecular, GnRH analog-based, targeted strategies for the treatment of tumors expressing these receptors. These agents include GnRH agonists and antagonists, GnRH analog-based cytotoxic (i.e. doxorubicin) or nutraceutic (i.e. curcumin) hybrids, and GnRH-R-targeted nanoparticles delivering anticancer compounds.
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Affiliation(s)
- Patrizia Limonta
- Section of Biomedicine and Endocrinology, Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Via Balzaretti 9, 20133 Milano, Italy.
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Speisky H, López-Alarcón C, Gómez M, Fuentes J, Sandoval-Acuña C. First web-based database on total phenolics and oxygen radical absorbance capacity (ORAC) of fruits produced and consumed within the south Andes region of South America. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2012; 60:8851-8859. [PMID: 22512599 DOI: 10.1021/jf205167k] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
This paper reports the first database on antioxidants contained in fruits produced and consumed within the south Andes region of South America. The database ( www.portalantioxidantes.com ) contains over 500 total phenolics (TP) and ORAC values for more than 120 species/varieties of fruits. All analyses were conducted by a single ISO/IEC 17025-certified laboratory. The characterization comprised native berries such as maqui ( Aristotelia chilensis ), murtilla ( Ugni molinae ), and calafate ( Barberis microphylla ), which largely outscored all other studied fruits. Major differences in TP and ORAC were observed as a function of the fruit variety in berries, avocado, cherries, and apples. In fruits such as pears, apples, apricots, and peaches, a significant part of the TP and ORAC was accounted for by the antioxidants present in the peel. These data should be useful to estimate the fruit-based intake of TP and, through the ORAC data, their antioxidant-related contribution to the diet of south Andes populations.
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Affiliation(s)
- Hernan Speisky
- Laboratory of Antioxidants, Nutrition and Food Technology Institute (INTA), Chile.
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Matés JM, Segura JA, Alonso FJ, Márquez J. Oxidative stress in apoptosis and cancer: an update. Arch Toxicol 2012; 86:1649-65. [PMID: 22811024 DOI: 10.1007/s00204-012-0906-3] [Citation(s) in RCA: 242] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2012] [Accepted: 07/03/2012] [Indexed: 02/07/2023]
Abstract
The oxygen paradox tells us that oxygen is both necessary for aerobic life and toxic to all life forms. Reactive oxygen species (ROS) touch every biological and medical discipline, especially those involving proliferative status, supporting the idea that active oxygen may be increased in tumor cells. In fact, metabolism of oxygen and the resulting toxic byproducts can cause cancer and death. Efforts to counteract the damage caused by ROS are gaining acceptance as a basis for novel therapeutic approaches, and the field of prevention of cancer is experiencing an upsurge of interest in medically useful antioxidants. Apoptosis is an important means of regulating cell numbers in the developing cell system, but it is so important that it must be controlled. Normal cell death in homeostasis of multicellular organisms is mediated through tightly regulated apoptotic pathways that involve oxidative stress regulation. Defective signaling through these pathways can contribute to both unbalance in apoptosis and development of cancer. Finally, in this review, we discuss new knowledge about recent tools that provide powerful antioxidant strategies, and designing methods to deliver to target cells, in the prevention and treatment of cancer.
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Affiliation(s)
- José M Matés
- Department of Biología Molecular y Bioquímica, Facultad de Ciencias, Universidad de Málaga, Campus de Teatinos, Málaga, Spain.
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Activations of Both Extrinsic and Intrinsic Pathways in HCT 116 Human Colorectal Cancer Cells Contribute to Apoptosis through p53-Mediated ATM/Fas Signaling by Emilia sonchifolia Extract, a Folklore Medicinal Plant. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2012; 2012:178178. [PMID: 22474491 PMCID: PMC3303801 DOI: 10.1155/2012/178178] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/17/2011] [Revised: 10/21/2011] [Accepted: 10/28/2011] [Indexed: 12/23/2022]
Abstract
Emilia sonchifolia (L.) DC (Compositae), an herbaceous plant found in Taiwan and India, is used as folk medicine. The clinical applications include inflammation, rheumatism, cough, cuts fever, dysentery, analgesic, and antibacteria. The activities of Emilia sonchifolia extract (ESE) on colorectal cancer cell death have not been fully investigated. The purpose of this study explored the induction of apoptosis and its molecular mechanisms in ESE-treated HCT 116 human colorectal cancer cells in vitro. The methanolic ESE was characterized, and γ-humulene was formed as the major constituent (63.86%). ESE induced cell growth inhibition in a concentration- and time-dependent response by MTT assay. Apoptotic cells (DNA fragmentation, an apoptotic catachrestic) were found after ESE treatment by TUNEL assay and DNA gel electrophoresis. Alternatively, ESE stimulated the activities of caspase-3, -8, and -9 and their specific caspase inhibitors protected against ESE-induced cytotoxicity. ESE promoted the mitochondria-dependent and death-receptor-associated protein levels. Also, ESE increased ROS production and upregulated the levels of ATM, p53, and Fas in HCT 116 cells. Strikingly, p53 siRNA reversed ESE-reduced viability involved in p53-mediated ATM/Fas signaling in HCT 116 cells. In summary, our result is the first report suggesting that ESE may be potentially efficacious in the treatment of colorectal cancer.
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Cucurbitacin E Induces G(2)/M Phase Arrest through STAT3/p53/p21 Signaling and Provokes Apoptosis via Fas/CD95 and Mitochondria-Dependent Pathways in Human Bladder Cancer T24 Cells. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2012; 2012:952762. [PMID: 22272214 PMCID: PMC3261502 DOI: 10.1155/2012/952762] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2011] [Revised: 09/25/2011] [Accepted: 10/02/2011] [Indexed: 11/28/2022]
Abstract
Cucurbitacin E, a tetracyclic triterpenes compound extracted from cucurbitaceous plants, has been shown to exhibit anticancer and anti-inflammatory activities. The purpose of this study was to elucidate whether cucurbitacin E promotes cell cycle arrest and induces apoptosis in T24 cells and further to explore the underlying molecular mechanisms. The effects of cucurbitacin E on T24 cell's growth and accompanied morphological changes were examined by MTT assay and a phase-contrast microscope. DNA content, mitochondrial membrane potential (ΔΨm) and annexin V/PI staining were determined by flow cytometry. The protein levels were measured by Western blotting. Our results demonstrated that cucurbitacin E-induced G2/M arrest was associated with a marked increase in the levels of p53, p21 and a decrease in phospho-signal transducer and activator of transcription 3 (STAT3), cyclin-dependent kinase 1 (CDK1) and cyclin B. Cucurbitacin E-triggered apoptosis was accompanied with up-regulation of Fas/CD95, truncated BID (t-BID) and a loss of ΔΨm, resulting in the releases of cytochrome c, apoptotic protease activating factor 1 (Apaf-1) and apoptosis-inducing factor (AIF), and sequential activation of caspase-8, caspase-9, and caspase-3. Our findings provided the first evidence that STAT3/p53/p21 signaling, Fas/CD95 and mitochondria-dependent pathways play critical roles in cucurbitacin E-induced G2/M phase arrest and apoptosis of T24 cells.
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Taing MW, Pierson JT, Hoang VLT, Shaw PN, Dietzgen RG, Gidley MJ, Roberts-Thomson SJ, Monteith GR. Mango fruit peel and flesh extracts affect adipogenesis in 3T3-L1 cells. Food Funct 2012; 3:828-36. [DOI: 10.1039/c2fo30073g] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Lee YM, Bae JH, Kim JB, Kim SY, Chung MN, Park MY, Ko JS, Song J, Kim JH. Changes in the Physiological Activities of Four Sweet Potato Varieties by Cooking Condition. ACTA ACUST UNITED AC 2012. [DOI: 10.4163/kjn.2012.45.1.12] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Young Min Lee
- Functional Food & Nutrition Division, Rural Development Administration, Suwon 441-853, Korea
| | - Ji Hyun Bae
- Functional Food & Nutrition Division, Rural Development Administration, Suwon 441-853, Korea
| | - Jung Bong Kim
- Functional Food & Nutrition Division, Rural Development Administration, Suwon 441-853, Korea
| | - So Young Kim
- Functional Food & Nutrition Division, Rural Development Administration, Suwon 441-853, Korea
| | - Mi Nam Chung
- Bioenergy Crop Research Center, Rural Development Administration, Muan 534-833, Korea
| | - Mi Young Park
- Functional Food & Nutrition Division, Rural Development Administration, Suwon 441-853, Korea
| | - Jeong Sook Ko
- Functional Food & Nutrition Division, Rural Development Administration, Suwon 441-853, Korea
| | - Jin Song
- Functional Food & Nutrition Division, Rural Development Administration, Suwon 441-853, Korea
| | - Jae Hyun Kim
- Functional Food & Nutrition Division, Rural Development Administration, Suwon 441-853, Korea
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