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Ma J, Li C, Qian H, Zhang Y. MTA1: A Vital Modulator in Prostate Cancer. Curr Protein Pept Sci 2022; 23:456-464. [PMID: 35792131 DOI: 10.2174/1389203723666220705152713] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 05/16/2022] [Accepted: 05/17/2022] [Indexed: 11/22/2022]
Abstract
Prostate cancer (PCa) is the most frequent cancer of the male genitourinary system and the second most common cancer in men worldwide. PCa has become one of the leading diseases endangering men's health in Asia in recent years, with a large increase in morbidity and mortality. MTA1 (metastasis-associated antigen-1), a transcriptional coregulator involved in histone deacetylation and nucleosome remodeling, is a member of the MTA family. MTA1 is involved in cell signaling, chromosomal remodeling, and transcriptional activities, all of which are important for epithelial cell progression, invasion, and growth. MTA1 has been demonstrated to play a significant role in the formation, progression, and metastasis of PCa, and MTA1 expression is specifically linked to PCa bone metastases. Therefore, MTA1 may be a potential target for PCa prevention and treatment. Here, we reviewed the structure, function, and expression of MTA1 in PCa as well as drugs that target MTA1 to highlight a potential new treatment for PCa.
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Affiliation(s)
- Jialu Ma
- Graduate School of Hebei Medical University, Shijiazhuang, China
| | - Chunxiao Li
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Haili Qian
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yong Zhang
- Graduate School of Hebei Medical University, Shijiazhuang, China
- Department of Urology Surgery, National Cancer Center/ National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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2
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Duan J, Guo H, Fang Y, Zhou G. The mechanisms of wine phenolic compounds for preclinical anticancer therapeutics. Food Nutr Res 2021; 65:6507. [PMID: 34512232 PMCID: PMC8396239 DOI: 10.29219/fnr.v65.6507] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Revised: 03/24/2021] [Accepted: 05/02/2021] [Indexed: 11/20/2022] Open
Abstract
Background Wine is one of the oldest and most popular drinks worldwide, which is rich in phenolic compounds. Epidemiological studies show that moderate consumption of wine can reduce the risk of certain diseases, and this effect is attributed to its phenolic compounds. Objective The objective of this review was to elaborate the effects of wine-derived phenolic compounds for preclinical anticancer therapeutics and their major mechanisms. Methods In this review, we discuss the classification and content of common phenolic compounds in wine and summarize previous studies that have evaluated the anticancer properties of wine-derived phenolic compounds and their mechanisms. Results Wine-derived phenolic compounds have been proven to participate in several mechanisms against cancers, including deoxyribonucleic acid damage, oxidative stress, cell proliferation, cell cycle arrest, cell apoptosis, autophagy, cell invasion and metastasis, immunity and metabolism, regulation of multiple signaling molecules, and gene expression. However, the exact anticancer mechanisms of the phenolic compounds in wine need to be further investigated. Conclusion Wine-derived phenolic compounds are promising chemoprotective and chemotherapeutic agents for cancer.
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Affiliation(s)
- Jing Duan
- College of Enology, Northwest A&F University, Yangling, China
| | - Hua Guo
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yulin Fang
- College of Enology, Northwest A&F University, Yangling, China
| | - Guangbiao Zhou
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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3
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Song W, Zhao YY, Ren YJ, Liu LL, Wei SD, Yang HB. Proanthocyanidins isolated from the leaves of Photinia × fraseri block the cell cycle and induce apoptosis by inhibiting tyrosinase activity in melanoma cells. Food Funct 2021; 12:3978-3991. [PMID: 33977989 DOI: 10.1039/d1fo00134e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Tyrosinase is considered a molecular marker of melanoma, and few natural antitumor drugs targeting tyrosinase have been identified. In this study, proanthocyanidins (PAs) were isolated from the leaves of Photinia × fraseri and their structures were characterized by high performance liquid chromatography-electrospray ionization mass spectrometry (HPLC-ESI-MS), and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) and the effects of antityrosinase activity were investigated. The results showed that the basic structural units of PAs are composed of catechin and epicatechin and that oligomer is the main component. PAs exhibited better antityrosinase activity via chelation of copper ions and by disturbing o-quinone production. Furthermore, analyses of the cell cycle, apoptosis rate, and regulation of melanin protein expression revealed preliminarily that PAs could affect melanin production by downregulating microphthalmia transcription factor (MITF) expression and by inhibiting the activities of tyrosinase and tyrosinase related protein 1 (TRP-1), leading to cell cycle arrest and apoptosis of melanoma cells. Collectively, our study demonstrated that PAs are potential tyrosinase inhibitors and have good antimelanoma effects. These findings provide a theoretical support for the application of tyrosinase inhibitors and for further drug development.
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Affiliation(s)
- Wei Song
- School of Life Science and Engineering, Henan University of Urban Construction, Pingdingshan, Henan 467044, China.
| | - Ya-Ying Zhao
- School of Life Science and Engineering, Henan University of Urban Construction, Pingdingshan, Henan 467044, China. and College of Life Science, Yangtze University, Jingzhou, Hubei 434025, China.
| | - Yuan-Jing Ren
- School of Life Science and Engineering, Henan University of Urban Construction, Pingdingshan, Henan 467044, China. and College of Life Science, Yangtze University, Jingzhou, Hubei 434025, China.
| | - Lu-Lu Liu
- School of Life Science and Engineering, Henan University of Urban Construction, Pingdingshan, Henan 467044, China. and College of Life Science, Yangtze University, Jingzhou, Hubei 434025, China.
| | - Shu-Dong Wei
- College of Life Science, Yangtze University, Jingzhou, Hubei 434025, China.
| | - Hai-Bo Yang
- School of Life Science and Engineering, Henan University of Urban Construction, Pingdingshan, Henan 467044, China. and Forestry College, Henan Agricultural University, Zhengzhou, Henan 450000, China
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Phytochemical Profile, Antioxidant and Antitumor Activities of Green Grape Juice. Processes (Basel) 2020. [DOI: 10.3390/pr8050507] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
(1) Plants, due to their phytochemicals, have long been known for their pharmacological potential and medicinal value. Verjuice, the acidic juice of unripe green grape, is still poorly characterized in terms of its chemical composition and biological activities. (2) In this study, we characterized the chemical composition, antioxidant and antitumor potential of verjuice extract. Folin–Ciocalteu and aluminum chloride reagents were used to identify the total phenol and total flavonoid composition. Various conventional methods were used to quantify the alkaloids and tannins. DPPH (2,2-diphenyl-1-picrylhydrazyl) free radical scavenging assay and Neutral Red assay were used to assess the antioxidant and antitumor activities, respectively. (3) We showed that the verjuice extract contains alkaloids, tannins, and a high quantity of total flavonoids and total phenols. Besides its antioxidant activity, verjuice significantly repressed human pulmonary adenocarcinoma (A549) cells’ viability in both dose- and time-dependent manners. Moreover, verjuice extract significantly enhanced the anticancer potential of cisplatin. (4) Altogether, these observations suggest a potential use of verjuice as a natural antitumor remedy.
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Integrin αvβ3 in the Mediating Effects of Dihydrotestosterone and Resveratrol on Breast Cancer Cell Proliferation. Int J Mol Sci 2020; 21:ijms21082906. [PMID: 32326308 PMCID: PMC7216104 DOI: 10.3390/ijms21082906] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 04/16/2020] [Accepted: 04/17/2020] [Indexed: 12/16/2022] Open
Abstract
Hormones and their receptors play an important role in the development and progression of breast cancer. Hormones regulate the proliferation of breast cancer cells through binding between estrogen or progestins and steroid receptors that may reside in the cytoplasm or be transcriptionally activated as steroid–protein nuclear receptor complexes. However, receptors for nonpeptide hormones also exist in the plasma membrane. Via those receptors, hormones are able to stimulate breast cancer cell proliferation when activated. Integrins are heterodimeric structural proteins of the plasma membrane. Their primary functions are to interact with extracellular matrix proteins and growth factors. Recently, integrin αvβ3 has been identified as a receptor for nonpeptide hormones, such as thyroid hormone and dihydrotestosterone (DHT). DHT promotes the proliferation of human breast cancer cells through binding to integrin αvβ3. A receptor for resveratrol, a polyphenol stilbene, also exists on this integrin in breast cancer cells, mediating the anti-proliferative, pro-apoptotic action of the compound in these cells. Unrelated activities of DHT and resveratrol that originate at integrin depend upon downstream stimulation of mitogen-activated protein kinase (MAPK, ERK1/2) activity, suggesting the existence of distinct, function-specific pools of ERK1/2 within the cell. This review will discuss the features of these receptors in breast cancer cells, in turn suggesting clinical applications that are based on the interactions of resveratrol/DHT with integrin αvβ3 and other androgen receptors.
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Salehi B, Vlaisavljevic S, Adetunji CO, Adetunji JB, Kregiel D, Antolak H, Pawlikowska E, Uprety Y, Mileski KS, Devkota HP, Sharifi-Rad J, Das G, Patra JK, Jugran AK, Segura-Carretero A, Contreras MDM. Plants of the genus Vitis: Phenolic compounds, anticancer properties and clinical relevance. Trends Food Sci Technol 2019. [DOI: 10.1016/j.tifs.2019.07.042] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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7
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Gomes TM, Toaldo IM, Haas ICDS, Burin VM, Caliari V, Luna AS, de Gois JS, Bordignon-Luiz MT. Differential contribution of grape peel, pulp, and seed to bioaccessibility of micronutrients and major polyphenolic compounds of red and white grapes through simulated human digestion. J Funct Foods 2019. [DOI: 10.1016/j.jff.2018.11.051] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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Kumar A, D'silva M, Dholakia K, Levenson AS. In Vitro Anticancer Properties of Table Grape Powder Extract (GPE) in Prostate Cancer. Nutrients 2018; 10:E1804. [PMID: 30463302 PMCID: PMC6265725 DOI: 10.3390/nu10111804] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 11/12/2018] [Accepted: 11/15/2018] [Indexed: 02/04/2023] Open
Abstract
Although the link between diet and cancer is complex, epidemiological data confirm that diet is a risk factor for prostate cancer and indicate a reduced prostate cancer incidence associated with a diet rich in vegetables and fruits. Because of the known protective effect of grape seed extract (GSE) against prostate cancer, we evaluated the effects of grape powder extract (GPE) on cell viability, proliferation, and metastatic capability. Importantly, we explored the possible novel mechanism of GPE through metastasis-associated protein 1 (MTA1) downregulation in prostate cancer, since our previous studies indicated resveratrol (Res)- and pterostilbene (Pter)-induced MTA1-mediated anticancer activities in prostate cancer. We found that GPE inhibited the cell viability and growth of prostate cancer cells only at high 100 μg/mL concentrations. However, at low 1.5⁻15 μg/mL concentrations, GPE significantly reduced the colony formation and wound healing capabilities of both DU145 and PC3M cells. Moreover, we found that GPE inhibited MTA1 in a dose-dependent manner in these cells, albeit with considerably less potency than Res and Pter. These results indicate that stilbenes such as Res and Pter specifically and potently inhibit MTA1 and MTA1-associated proteins compared to GPE, which contains low concentrations of Res and mainly consists of other flavonoids and anthocyanidins. Our findings support continued interest in GPE as a chemopreventive and anti-cancer agent against prostate cancer but also emphasize the unique and specific properties of stilbenes on MTA1-mediated anticancer effects on prostate cancer.
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Affiliation(s)
- Avinash Kumar
- Arnold & Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY 11201, USA.
| | - Melinee D'silva
- Arnold & Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY 11201, USA.
| | - Kshiti Dholakia
- Arnold & Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY 11201, USA.
| | - Anait S Levenson
- College of Veterinary Medicine, Long Island University, Brookville, NY 11548, USA.
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Chung MY, Shin EJ, Choi HK, Kim SH, Sung MJ, Park JH, Hwang JT. Schisandra chinensis berry extract protects against steatosis by inhibiting histone acetylation in oleic acid–treated HepG2 cells and in the livers of diet-induced obese mice. Nutr Res 2017; 46:1-10. [DOI: 10.1016/j.nutres.2017.07.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Revised: 05/26/2017] [Accepted: 07/17/2017] [Indexed: 01/01/2023]
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10
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Ma ZF, Zhang H. Phytochemical Constituents, Health Benefits, and Industrial Applications of Grape Seeds: A Mini-Review. Antioxidants (Basel) 2017; 6:antiox6030071. [PMID: 28914789 PMCID: PMC5618099 DOI: 10.3390/antiox6030071] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 09/09/2017] [Accepted: 09/12/2017] [Indexed: 01/14/2023] Open
Abstract
Grapes are one of the most widely grown fruits and have been used for winemaking since the ancient Greek and Roman civilizations. Grape seeds are rich in proanthocyanidins which have been shown to possess potent free radical scavenging activity. Grape seeds are a complex matrix containing 40% fiber, 16% oil, 11% proteins, and 7% complex phenols such as tannins. Grape seeds are rich sources of flavonoids and contain monomers, dimers, trimers, oligomers, and polymers. The monomeric compounds includes (+)-catechins, (−)-epicatechin, and (−)-epicatechin-3-O-gallate. Studies have reported that grape seeds exhibit a broad spectrum of pharmacological properties against oxidative stress. Their potential health benefits include protection against oxidative damage, and anti-diabetic, anti-cholesterol, and anti-platelet functions. Recognition of such health benefits of proanthocyanidins has led to the use of grape seeds as a dietary supplement by the consumers. This paper summarizes the studies of the phytochemical compounds, pharmacological properties, and industrial applications of grape seeds.
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Affiliation(s)
- Zheng Feei Ma
- Department of Public Health, Xi'an Jiaotong-Liverpool University, Suzhou 215123, China.
| | - Hongxia Zhang
- Department of Food Science, University of Otago, Dunedin 9054, New Zealand.
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11
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Smeriglio A, Barreca D, Bellocco E, Trombetta D. Proanthocyanidins and hydrolysable tannins: occurrence, dietary intake and pharmacological effects. Br J Pharmacol 2017; 174:1244-1262. [PMID: 27646690 PMCID: PMC5429339 DOI: 10.1111/bph.13630] [Citation(s) in RCA: 310] [Impact Index Per Article: 44.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 09/07/2016] [Accepted: 09/14/2016] [Indexed: 12/14/2022] Open
Abstract
Tannins are a heterogeneous group of high MW, water-soluble, polyphenolic compounds, naturally present in cereals, leguminous seeds and, predominantly, in many fruits and vegetables, where they provide protection against a wide range of biotic and abiotic stressors. Tannins exert several pharmacological effects, including antioxidant and free radical scavenging activity as well as antimicrobial, anti-cancer, anti-nutritional and cardio-protective properties. They also seem to exert beneficial effects on metabolic disorders and prevent the onset of several oxidative stress-related diseases. Although the bioavailability and pharmacokinetic data for these phytochemicals are still sparse, gut absorption of these compounds seems to be inversely correlated with the degree of polymerization. Further studies are mandatory to better clarify how these molecules and their metabolites are able to cross the intestinal barrier in order to exert their biological properties. This review summarizes the current literature on tannins, focusing on the main, recently proposed mechanisms of action that underlie their pharmacological and disease-prevention properties, as well as their bioavailability, safety and toxicology. LINKED ARTICLES This article is part of a themed section on Principles of Pharmacological Research of Nutraceuticals. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v174.11/issuetoc.
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Affiliation(s)
- Antonella Smeriglio
- Department of Chemical, Biological, Pharmaceutical and Environmental SciencesUniversity of MessinaMessinaItaly
| | - Davide Barreca
- Department of Chemical, Biological, Pharmaceutical and Environmental SciencesUniversity of MessinaMessinaItaly
| | - Ersilia Bellocco
- Department of Chemical, Biological, Pharmaceutical and Environmental SciencesUniversity of MessinaMessinaItaly
| | - Domenico Trombetta
- Department of Chemical, Biological, Pharmaceutical and Environmental SciencesUniversity of MessinaMessinaItaly
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12
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Smeriglio A, Barreca D, Bellocco E, Trombetta D. Proanthocyanidins and hydrolysable tannins: occurrence, dietary intake and pharmacological effects. Br J Pharmacol 2016. [DOI: 10.1111/bph.13630 pmid: 27646690] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Affiliation(s)
- Antonella Smeriglio
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences; University of Messina; Messina Italy
| | - Davide Barreca
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences; University of Messina; Messina Italy
| | - Ersilia Bellocco
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences; University of Messina; Messina Italy
| | - Domenico Trombetta
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences; University of Messina; Messina Italy
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13
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Zhang S, He L, Yang Y, Yang B, Liao Y, Xu X, Li J, Yang X, Li J. Effective in situ repair and bacteriostatic material of tooth enamel based on salivary acquired pellicle inspired oligomeric procyanidins. Polym Chem 2016. [DOI: 10.1039/c6py01362g] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Remineralization and reduction of cariogenic bacteria at the tooth surface are effective ways to treat dental caries.
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Affiliation(s)
- Shuhui Zhang
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu
- China
| | - Libang He
- State Key Laboratory of Oral Diseases
- West China Hospital of Stomatology
- Sichuan University
- Chengdu
- China
| | - Yinxin Yang
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu
- China
| | - Bo Yang
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu
- China
| | - Yixue Liao
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu
- China
| | - Xinyuan Xu
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu
- China
| | - Jiyao Li
- State Key Laboratory of Oral Diseases
- West China Hospital of Stomatology
- Sichuan University
- Chengdu
- China
| | - Xiao Yang
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu
- China
| | - Jianshu Li
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu
- China
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15
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Al-Marrawi MY, Cream LV, Mallon CA, Holder S, Joshi M, Harvey HH, Talamo G, Drabick JJ. Effect of topical vaginal androgens in a woman on the testosterone levels of her sexual partner with prostate cancer. J Clin Oncol 2015; 33:521-2. [PMID: 25559812 DOI: 10.1200/jco.2014.59.7773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
| | - Leah V Cream
- Penn State University, Hershey Cancer Institute, Hershey, PA
| | - Carol A Mallon
- Penn State University, Hershey Cancer Institute, Hershey, PA
| | - Sheldon Holder
- Penn State University, Hershey Cancer Institute, Hershey, PA
| | - Monika Joshi
- Penn State University, Hershey Cancer Institute, Hershey, PA
| | - Harold H Harvey
- Penn State University, Hershey Cancer Institute, Hershey, PA
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Cheah KY, Howarth GS, Bindon KA, Kennedy JA, Bastian SEP. Low molecular weight procyanidins from grape seeds enhance the impact of 5-Fluorouracil chemotherapy on Caco-2 human colon cancer cells. PLoS One 2014; 9:e98921. [PMID: 24905821 PMCID: PMC4048230 DOI: 10.1371/journal.pone.0098921] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2013] [Accepted: 05/07/2014] [Indexed: 12/02/2022] Open
Abstract
Objective Grape seed procyanidins (PC) are flavan-3-ol oligomers and polymers known for their biological activity in the gut. Grape seed extract (GSE) have been reported to reduce intestinal injury in a rat model of mucositis. We sought to investigate effects of purified PC fractions differing in mean degree of polymerization (mDP) combined with 5-Fluorouracil (5-FU) chemotherapy on the viability of colon cancer cells (Caco-2). Design SixPC fractions (F1-F6) were isolated from Cabernet Sauvignon seeds at two ripeness stages: pre-veraison unripe (immature) and ripe (mature), utilizing step gradient, low-pressure chromatography on a Sephadex LH-20 resin. Fractions were tested on Caco-2 cells, alone and in combination with 5-FU. Eluted fractions were characterized by phloroglucinolysis and gel permeation chromatography. Cell viability was determined by the 3-(4,5-Dimethylthiazol-2yl)-2,5-diphenyl-tetrazolium bromide) (MTT) assay. Results All isolated fractions significantly reduced Caco-2 cell viability compared to the control (P<0.05), but F2 and F3 (mDP 2–6) were the most active fractions (immature F2 = 32% mDP 2.4, F3 = 35% mDP 5.8 and mature F2 = 13% mDP 3.6 and F3 = 17% mDP 5.9; percentage of viable cells remaining) on Caco-2 cells. When combined with 5-FU, immature fractions F1-F3 enhanced the cell toxicity effects of 5-FU by 27–73% (P<0.05). Mature seed PC fractions (F1–F4) significantly enhanced the toxicity of 5-FU by 60–83% against Caco-2 cells (P<0.05). Moreover, some fractions alone were more potent at decreasing viability in Caco-2 cells (P<0.05; immature fractions = 65–68% and mature fractions = 83–87%) compared to 5-FU alone (37%). Conclusions PCs of mDP 2–6 (immature F1-F3 and mature F1 and F4)not only enhanced the impact of 5-FU in killing Caco-2 cells, but also surpassed standard 5-FU chemotherapy as an anti-cancer agent.The bioactivity of PC is therefore attributed primarily to lower molecular weight PCs.
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Affiliation(s)
- Ker Y. Cheah
- Wine Science and Business Group, School of Agriculture, Food and Wine, Waite Campus, The University of Adelaide, PMB 1, Glen Osmond, Australia
- Centre for Paediatric and Adolescent Gastroenterology, Children, Youth and Women's Health Service, North Adelaide, Australia
| | - Gordon S. Howarth
- Centre for Paediatric and Adolescent Gastroenterology, Children, Youth and Women's Health Service, North Adelaide, Australia
- School of Animal and Veterinary Sciences, Roseworthy Campus, The University of Adelaide, Australia
| | - Keren A. Bindon
- The Australian Wine Research Institute, Urrbrae, Adelaide, Australia
| | - James A. Kennedy
- The Australian Wine Research Institute, Urrbrae, Adelaide, Australia
- Department of Viticulture and Enology, California State University, Fresno, California, United States of America
| | - Susan E. P. Bastian
- Wine Science and Business Group, School of Agriculture, Food and Wine, Waite Campus, The University of Adelaide, PMB 1, Glen Osmond, Australia
- * E-mail:
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17
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Ting H, Deep G, Agarwal C, Agarwal R. The strategies to control prostate cancer by chemoprevention approaches. Mutat Res 2014; 760:1-15. [PMID: 24389535 DOI: 10.1016/j.mrfmmm.2013.12.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2013] [Revised: 11/23/2013] [Accepted: 12/12/2013] [Indexed: 02/07/2023]
Abstract
Prostate cancer (PCA) is the most commonly diagnosed cancer in men in the United States with growing worldwide incidence. Despite intensive investment in improving early detection, PCA often escapes timely detection and mortality remains high; this malignancy being the second highest cancer-associated mortality in American men. Collectively, health care costs of PCA results in an immense financial burden that is only expected to grow. Additionally, even in cases of successful treatment, PCA is associated with long-term and pervasive effects on patients. A proactive alternative to treat PCA is to prevent its occurrence and progression prior to symptomatic malignancy. This may serve to address the issue of burgeoning healthcare costs and increasing number of sufferers. One potential regimen in service of this alternative is PCA chemoprevention. Here, chemical compounds with cancer preventive efficacy are identified on the basis of their potential in a host of categories: their historical medicinal use, correlation with reduced risk in population studies, non-toxicity, their unique chemical properties, or their role in biological systems. PCA chemopreventive agents are drawn from multiple broad classes of chemicals, themselves further subdivided based on source or potential effect, with most derived from natural products. Many such compounds have shown efficacy, varying from inhibiting deregulated PCA cell signaling, proliferation, epithelial to mesenchymal transition (EMT), invasion, metastasis, tumor growth and angiogenesis and inducing apoptosis. Overall, these chemopreventive agents show great promise in PCA pre-clinical models, though additional work remains to be done in effectively translating these findings into clinical use.
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Affiliation(s)
- Harold Ting
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado, Aurora, CO, United States
| | - Gagan Deep
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado, Aurora, CO, United States; University of Colorado Cancer Center, University of Colorado, Aurora, CO, United States
| | - Chapla Agarwal
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado, Aurora, CO, United States; University of Colorado Cancer Center, University of Colorado, Aurora, CO, United States
| | - Rajesh Agarwal
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado, Aurora, CO, United States; University of Colorado Cancer Center, University of Colorado, Aurora, CO, United States.
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Tang CF, Fang M, Liu RR, Dou Q, Chai ZG, Xiao YH, Chen JH. The role of grape seed extract in the remineralization of demineralized dentine: Micromorphological and physical analyses. Arch Oral Biol 2013; 58:1769-76. [DOI: 10.1016/j.archoralbio.2013.09.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2013] [Revised: 09/12/2013] [Accepted: 09/24/2013] [Indexed: 11/16/2022]
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Lutz M, Cajas Y, Henríquez C. Phenolics content and antioxidant capacity of Chilean grapes cv. País and Cabernet Sauvignon. CYTA - JOURNAL OF FOOD 2012. [DOI: 10.1080/19476337.2011.633244] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Potential anticancer properties of grape antioxidants. JOURNAL OF ONCOLOGY 2012; 2012:803294. [PMID: 22919383 PMCID: PMC3420094 DOI: 10.1155/2012/803294] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/25/2012] [Accepted: 07/10/2012] [Indexed: 12/31/2022]
Abstract
Dietary intake of foods rich in antioxidant properties is suggested to be cancer protective. Foods rich in antioxidant properties include grape (Vitis vinifera), one of the world's largest fruit crops and most commonly consumed fruits in the world. The composition and cancer-protective effects of major phenolic antioxidants in grape skin and seed extracts are discussed in this review. Grape skin and seed extracts exert strong free radical scavenging and chelating activities and inhibit lipid oxidation in various food and cell models in vitro. The use of grape antioxidants are promising against a broad range of cancer cells by targeting epidermal growth factor receptor (EGFR) and its downstream pathways, inhibiting over-expression of COX-2 and prostaglandin E2 receptors, or modifying estrogen receptor pathways, resulting in cell cycle arrest and apoptosis. Interestingly, some of these activities were also demonstrated in animal models. However, in vivo studies have demonstrated inconsistent antioxidant efficacy. Nonetheless, a growing body of evidence from human clinical trials has demonstrated that consumption of grape, wine and grape juice exerts many health-promoting and possible anti-cancer effects. Thus, grape skin and seed extracts have great potential in cancer prevention and further investigation into this exciting field is warranted.
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Sahin NO, Berköz M, Eker ED, Pomierny B, Przejczowska K. Cytotoxic and antioxidant effects of grape seed oil on the treatment of leukemia with methotrexate. ACTA ACUST UNITED AC 2012. [DOI: 10.5155/eurjchem.3.2.147-151.569] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Sokolosky ML, Wargovich MJ. Homeostatic imbalance and colon cancer: the dynamic epigenetic interplay of inflammation, environmental toxins, and chemopreventive plant compounds. Front Oncol 2012; 2:57. [PMID: 22675672 PMCID: PMC3365481 DOI: 10.3389/fonc.2012.00057] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2012] [Accepted: 05/14/2012] [Indexed: 12/18/2022] Open
Abstract
The advent of modern medicine has allowed for significant advances within the fields of emergency care, surgery, and infectious disease control. Health threats that were historically responsible for immeasurable tolls on human life are now all but eradicated within certain populations, specifically those that enjoy higher degrees of socio-economic status and access to healthcare. However, modernization and its resulting lifestyle trends have ushered in a new era of chronic illness; one in which an unprecedented number of people are estimated to contract cancer and other inflammatory diseases. Here, we explore the idea that homeostasis has been redefined within just a few generations, and that diseases such as colorectal cancer are the result of fluctuating physiological and molecular imbalances. Phytochemical-deprived, pro-inflammatory diets combined with low-dose exposures to environmental toxins, including bisphenol-A (BPA) and other endocrine disruptors, are now linked to increasing incidences of cancer in westernized societies and developing countries. There is recent evidence that disease determinants are likely set in utero and further perpetuated into adulthood dependent upon the innate and environmentally-acquired phenotype unique to each individual. In order to address a disease as multi-factorial, case-specific, and remarkably adaptive as cancer, research must focus on its root causes in order to elucidate the molecular mechanisms by which they can be prevented or counteracted via plant-derived compounds such as epigallocatechin-3-gallate (EGCG) and resveratrol. The significant role of epigenetics in the regulation of these complex processes is emphasized here to form a comprehensive view of the dynamic interactions that influence modern-day carcinogenesis, and how sensibly restoring homeostatic balance may be the key to the cancer riddle.
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Affiliation(s)
- Melissa L Sokolosky
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics, Hollings Cancer Center, Medical University of South Carolina Charleston, SC, USA
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Farooqi AA, Bhatti S. Getting personal with prostate cancer: adding new pieces to an incomplete jigsaw puzzle. Urol Int 2011; 87:127-33. [PMID: 21540577 DOI: 10.1159/000327723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Prostate cancer is a multifaceted molecular anomaly that is insurmountable to date because of the orchestrated network of negative regulators that drive carcinogenesis. A substantial fraction of information has been added that gives yet an unclear snapshot of therapeutic interventions in prostate cancer. Increasing sophisticated interpretations point towards some important aspects of prostate cancer aggressiveness like microRNAs, prostate cancer stem cells and TRAIL (tumor necrosis factor-related apoptosis-inducing ligand) refractoriness. In this review, we will evaluate the push and pull between oncomirs and tumor suppressors in tipping the scales of cancer. Furthermore, multicomponent rational drug designs with a claim to overcome stumbling blocks will be discussed. Translation of the outcomes achieved in the understanding of carcinogenesis at the patient's bedside is possibly the principal challenge in cancer research.
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Affiliation(s)
- Ammad A Farooqi
- Institute of Molecular Biology and Biotechnology, University of Lahore, Lahore, Pakistan. ammadahmad638 @ yahoo.com
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