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Orouji N, Asl SK, Taghipour Z, Habtemariam S, Nabavi SM, Rahimi R. Glucosinolates in cancer prevention and treatment: experimental and clinical evidence. Med Oncol 2023; 40:344. [PMID: 37921869 DOI: 10.1007/s12032-023-02211-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 10/06/2023] [Indexed: 11/05/2023]
Abstract
Glucosinolates are naturally occurring β-d-thioglucosides that mainly exist in the Brassicaceae family. The enzyme myrosinase hydrolyzes glucosinolates to form isothiocyanates, which are chemical protectors. Phenethyl isothiocyanate, sulforaphane, and benzyl isothiocyanate are potential isothiocyanate with efficient anti-cancer effects as a protective or treatment agent. Glucosinolate metabolites exert the cancer-preventive activity through different mechanisms, including induction of the Nrf2 transcription factor, inhibition of expression of tumor necrosis factor-α (TNFα) and interleukin-1β (IL-1β), induction of apoptosis through inhibiting phase I enzymes and inducting phase II enzymes, interruption of caspase pathways, STAT1/STAT2, inhibition of sulfotransferases. Moreover, glucosinolates and their metabolites are effective in cancer treatment by inhibiting angiogenesis, upregulating natural killers, increasing expression of p53, p21, caspase 3 and 9, and modulating NF-κB. Despite the mentioned cancer-preventing effects, some isothiocyanates can increase the risk of tumors. So, further studies are needed to obtain an accurate and effective dose for each glucosinolates to treat different types of tumors.
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Affiliation(s)
- Neda Orouji
- Department of Traditional Pharmacy, School of Persian Medicine, Tehran University of Medical Sciences, Tehran, 1417653761, Iran
| | - Siamak Kazemi Asl
- Deputy of Education, Ministry of Health and Medical Education, Tehran, Iran
| | - Zahra Taghipour
- Department of Traditional Pharmacy, School of Persian Medicine, Tehran University of Medical Sciences, Tehran, 1417653761, Iran
| | - Solomon Habtemariam
- Pharmacognosy Research Laboratories and Herbal Analysis Services UK, University of Greenwich, Chatham-Maritime, Kent, ME4 4TB, UK
- Applied Biotechnology Research Center, Baqiyatallah University Medical Sciences, Tehran, Iran
| | - Seyed Mohammad Nabavi
- Pharmacognosy Research Laboratories and Herbal Analysis Services UK, University of Greenwich, Chatham-Maritime, Kent, ME4 4TB, UK
- Applied Biotechnology Research Center, Baqiyatallah University Medical Sciences, Tehran, Iran
- Division of Translational Medicine, Baqiyatallah Hospital, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Roja Rahimi
- Department of Traditional Pharmacy, School of Persian Medicine, Tehran University of Medical Sciences, Tehran, 1417653761, Iran.
- PhytoPharmacology Interest Group (PPIG), Universal Scientific Education and Research Network (USERN), Tehran, Iran.
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Burcher JT, DeLiberto LK, Allen AM, Kilpatrick KL, Bishayee A. Bioactive phytocompounds for oral cancer prevention and treatment: A comprehensive and critical evaluation. Med Res Rev 2023; 43:2025-2085. [PMID: 37143373 DOI: 10.1002/med.21969] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 04/05/2023] [Accepted: 04/12/2023] [Indexed: 05/06/2023]
Abstract
The high incidence of oral cancer combined with excessive treatment cost underscores the need for novel oral cancer preventive and therapeutic options. The value of natural agents, including plant secondary metabolites (phytochemicals), in preventing carcinogenesis and representing expansive source of anticancer drugs have been established. While fragmentary research data are available on antioral cancer effects of phytochemicals, a comprehensive and critical evaluation of the potential of these agents for the prevention and intervention of human oral malignancies has not been conducted according to our knowledge. This study presents a complete and critical analysis of current preclinical and clinical results on the prevention and treatment of oral cancer using phytochemicals. Our in-depth analysis highlights anticancer effects of various phytochemicals, such as phenolics, terpenoids, alkaloids, and sulfur-containing compounds, against numerous oral cancer cells and/or in vivo oral cancer models by antiproliferative, proapoptotic, cell cycle-regulatory, antiinvasive, antiangiogenic, and antimetastatic effects. Bioactive phytochemicals exert their antineoplastic effects by modulating various signaling pathways, specifically involving the epidermal growth factor receptor, cytokine receptors, toll-like receptors, and tumor necrosis factor receptor and consequently alter the expression of downstream genes and proteins. Interestingly, phytochemicals demonstrate encouraging effects in clinical trials, such as reduction of oral lesion size, cell growth, pain score, and development of new lesions. While most phytochemicals displayed minimal toxicity, concerns with bioavailability may limit their clinical application. Future directions for research include more in-depth mechanistic in vivo studies, administration of phytochemicals using novel formulations, investigation of phytocompounds as adjuvants to conventional treatment, and randomized clinical trials.
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Affiliation(s)
- Jack T Burcher
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, Florida, USA
| | - Lindsay K DeLiberto
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, Florida, USA
| | - Andrea M Allen
- School of Dental Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, Florida, USA
| | - Kaitlyn L Kilpatrick
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, Florida, USA
| | - Anupam Bishayee
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, Florida, USA
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3
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Bauman JE, Hsu CH, Centuori S, Guillen-Rodriguez J, Garland LL, Ho E, Padi M, Bageerathan V, Bengtson L, Wojtowicz M, Szabo E, Chow HHS. Randomized Crossover Trial Evaluating Detoxification of Tobacco Carcinogens by Broccoli Seed and Sprout Extract in Current Smokers. Cancers (Basel) 2022; 14:cancers14092129. [PMID: 35565256 PMCID: PMC9105060 DOI: 10.3390/cancers14092129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 04/13/2022] [Accepted: 04/15/2022] [Indexed: 01/25/2023] Open
Abstract
Consumption of cruciferous vegetables, rich in the isothiocyanate glucoraphanin, is associated with reduced risk of tobacco-related cancers. Sulforaphane, released by hydrolysis of glucoraphanin, potently induces cytoprotective phase II enzymes. Sulforaphane decreased the incidence of oral cancer in the 4NQO carcinogenesis model. In residents of Qidong, China, broccoli seed and sprout extracts (BSSE) increased detoxification of air pollutants benzene and acrolein, also found in tobacco smoke. This randomized, crossover trial evaluated detoxification of tobacco carcinogens by the BSSE Avmacol® in otherwise healthy smokers. Participants were treated for 2 weeks with both low and higher-dose BSSE (148 µmol vs. 296 µmol of glucoraphanin daily), separated by a 2-week washout, with randomization to low-high vs. high-low sequence. The primary endpoint was detoxification of benzene, measured by urinary excretion of its mercapturic acid, SPMA. Secondary endpoints included bioavailability, detoxification of acrolein and crotonaldehyde, modulation by GST genotype, and toxicity. Forty-nine participants enrolled, including 26 (53%) females with median use of 20 cigarettes/day. Low and higher-dose BSSE showed a mean bioavailability of 11% and 10%, respectively. Higher-dose BSSE significantly upregulated urinary excretion of the mercapturic acids of benzene (p = 0.04), acrolein (p < 0.01), and crotonaldehyde (p = 0.02), independent of GST genotype. Retention and compliance were high resulting in early study completion. In conclusion, BSSE significantly upregulated detoxification of the tobacco carcinogens benzene, acrolein, and crotonaldehyde in current tobacco smokers.
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Affiliation(s)
- Julie E. Bauman
- Department of Medicine, Division of Hematology/Oncology, University of Arizona (UA) and UA Cancer Center, Tucson, AZ 85724, USA; (S.C.); (L.L.G.); (H.-H.S.C.)
- Department of Medicine, Division of Hematology/Oncology, George Washington (GW) University and GW Cancer Center, Washington, DC 20037, USA
- Correspondence:
| | - Chiu-Hsieh Hsu
- Department of Epidemiology and Biostatistics, UA and UA Cancer Center, Tucson, AZ 85724, USA;
| | - Sara Centuori
- Department of Medicine, Division of Hematology/Oncology, University of Arizona (UA) and UA Cancer Center, Tucson, AZ 85724, USA; (S.C.); (L.L.G.); (H.-H.S.C.)
| | - Jose Guillen-Rodriguez
- Biostatistics and Bioinformatics Shared Resource, UA Cancer Center, Tucson, AZ 85724, USA; (J.G.-R.); (M.P.); (V.B.)
| | - Linda L. Garland
- Department of Medicine, Division of Hematology/Oncology, University of Arizona (UA) and UA Cancer Center, Tucson, AZ 85724, USA; (S.C.); (L.L.G.); (H.-H.S.C.)
| | - Emily Ho
- Linus Pauling Institute, College of Public Health and Human Sciences, Oregon State University, Corvallis, OR 97331, USA;
| | - Megha Padi
- Biostatistics and Bioinformatics Shared Resource, UA Cancer Center, Tucson, AZ 85724, USA; (J.G.-R.); (M.P.); (V.B.)
- Department of Molecular and Cellular Biology, UA, Tucson, AZ 85724, USA
| | - Vignesh Bageerathan
- Biostatistics and Bioinformatics Shared Resource, UA Cancer Center, Tucson, AZ 85724, USA; (J.G.-R.); (M.P.); (V.B.)
| | - Lisa Bengtson
- Division of Cancer Prevention, National Cancer Institute, Bethesda, MD 20892, USA; (L.B.); (M.W.); (E.S.)
| | - Malgorzata Wojtowicz
- Division of Cancer Prevention, National Cancer Institute, Bethesda, MD 20892, USA; (L.B.); (M.W.); (E.S.)
| | - Eva Szabo
- Division of Cancer Prevention, National Cancer Institute, Bethesda, MD 20892, USA; (L.B.); (M.W.); (E.S.)
| | - H.-H. Sherry Chow
- Department of Medicine, Division of Hematology/Oncology, University of Arizona (UA) and UA Cancer Center, Tucson, AZ 85724, USA; (S.C.); (L.L.G.); (H.-H.S.C.)
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Cruciferous Vegetables and Their Bioactive Metabolites: from Prevention to Novel Therapies of Colorectal Cancer. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:1534083. [PMID: 35449807 PMCID: PMC9017484 DOI: 10.1155/2022/1534083] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 03/16/2022] [Indexed: 02/07/2023]
Abstract
The Brassicaceae family, known as cruciferous vegetables, includes many economically important species, mainly edible oil plants, vegetable species, spice plants, and feed plants. Cruciferous vegetables are foods rich in nutritive composition and are also a good source of dietary fiber. Besides, cruciferous vegetables contain various bioactive chemicals known as glucosinolates and S-methyl cysteine sulfoxide, including sulphur-containing cancer-protective chemicals. Numerous studies have reported that daily intake of sulphurous vegetables helps prevent cancer formation and reduces cancer incidence, especially in colorectal cancer, through various mechanisms. The potential mechanisms of these compounds in preventing cancer in experimental studies are as follows: protecting cells against DNA damage, inactivating carcinogenic substances, showing antiviral and antibacterial effects, triggering apoptosis in cells with disrupted structure, inhibiting tumour cell migration causing metastasis and the development of tumour-feeding vessels (angiogenesis). These beneficial anticancer effects of cruciferous vegetables are generally associated with glucosinolates in their composition and some secondary metabolites, as well as other phenolic compounds, seed oils, and dietary fiber in the literature. This review aims to examine to the roles of cruciferous vegetables and their important bioactive metabolites in the prevention and treatment of colorectal cancer.
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The World of Oral Cancer and Its Risk Factors Viewed from the Aspect of MicroRNA Expression Patterns. Genes (Basel) 2022; 13:genes13040594. [PMID: 35456400 PMCID: PMC9027895 DOI: 10.3390/genes13040594] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 03/17/2022] [Accepted: 03/23/2022] [Indexed: 01/27/2023] Open
Abstract
Oral cancer is one of the leading causes of death worldwide, with a reported 5-year survival rate of around 50% after treatment. Epigenetic modifications are considered to have a key role in oral carcinogenesis due to histone modifications, aberrant DNA methylation, and altered expression of miRNAs. MicroRNAs (miRNAs) are small non-coding RNAs that have a key role in cancer development by regulating signaling pathways involved in carcinogenesis. MiRNA deregulation identified in oral cancer has led to the idea of using them as potential biomarkers for early diagnosis, prognosis, and the development of novel therapeutic strategies. In recent years, a key role has been observed for risk factors in preventing and treating this malignancy. The purpose of this review is to summarize the recent knowledge about the altered mechanisms of oral cancer due to risk factors and the role of miRNAs in these mechanisms.
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Aronica L, Ordovas JM, Volkov A, Lamb JJ, Stone PM, Minich D, Leary M, Class M, Metti D, Larson IA, Contractor N, Eck B, Bland JS. Genetic Biomarkers of Metabolic Detoxification for Personalized Lifestyle Medicine. Nutrients 2022; 14:nu14040768. [PMID: 35215417 PMCID: PMC8876337 DOI: 10.3390/nu14040768] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 02/07/2022] [Accepted: 02/08/2022] [Indexed: 01/19/2023] Open
Abstract
Metabolic detoxification (detox)—or biotransformation—is a physiological function that removes toxic substances from our body. Genetic variability and dietary factors may affect the function of detox enzymes, thus impacting the body’s sensitivity to toxic substances of endogenous and exogenous origin. From a genetic perspective, most of the current knowledge relies on observational studies in humans or experimental models in vivo and in vitro, with very limited proof of causality and clinical value. This review provides health practitioners with a list of single nucleotide polymorphisms (SNPs) located within genes involved in Phase I and Phase II detoxification reactions, for which evidence of clinical utility does exist. We have selected these SNPs based on their association with interindividual variability of detox metabolism in response to certain nutrients in the context of human clinical trials. In order to facilitate clinical interpretation and usage of these SNPs, we provide, for each of them, a strength of evidence score based on recent guidelines for genotype-based dietary advice. We also present the association of these SNPs with functional biomarkers of detox metabolism in a pragmatic clinical trial, the LIFEHOUSE study.
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Affiliation(s)
- Lucia Aronica
- Department of Nutrition Science, Metagenics, Inc., Aliso Viejo, CA 92656, USA; (I.A.L.); (B.E.)
- Stanford Prevention Research Center, Department of Medicine, Stanford University, California, CA 94305, USA
- Correspondence:
| | - Jose M. Ordovas
- Nutrition and Genomics Laboratory, Jean Mayer USDA Human Nutrition Center on Aging, Tufts University, Boston, MA 02111, USA;
- Nutritional Genomics and Epigenomics Group, IMDEA-Food, 28049 Madrid, Spain
- University Camilo José Cela, Villafranca del Castillo, 28692 Madrid, Spain
| | | | - Joseph J. Lamb
- Personalized Lifestyle Medicine Center, Gig Harbor, WA 98332, USA; (J.J.L.); (P.M.S.); (D.M.)
| | - Peter Michael Stone
- Personalized Lifestyle Medicine Center, Gig Harbor, WA 98332, USA; (J.J.L.); (P.M.S.); (D.M.)
- Institute for Functional Medicine Federal Way, Washington, DC 98003, USA; (D.M.); (M.C.)
- Ashland Comprehensive Family Medicine-Stone Medical, Ashland, OR 97520, USA
- Office of Personalized Health and Well-Being, Medical College of Georgia, AU/UGA Medical Partnership, Athens, GA 30606, USA
| | - Deanna Minich
- Institute for Functional Medicine Federal Way, Washington, DC 98003, USA; (D.M.); (M.C.)
- Human Nutrition and Functional Medicine, University of Western States, Portland, OR 97213, USA
| | | | - Monique Class
- Institute for Functional Medicine Federal Way, Washington, DC 98003, USA; (D.M.); (M.C.)
- The Center for Functional Medicine, Stamford, CT 06905, USA
| | - Dina Metti
- Personalized Lifestyle Medicine Center, Gig Harbor, WA 98332, USA; (J.J.L.); (P.M.S.); (D.M.)
| | - Ilona A. Larson
- Department of Nutrition Science, Metagenics, Inc., Aliso Viejo, CA 92656, USA; (I.A.L.); (B.E.)
| | | | - Brent Eck
- Department of Nutrition Science, Metagenics, Inc., Aliso Viejo, CA 92656, USA; (I.A.L.); (B.E.)
| | - Jeffrey S. Bland
- Personalized Lifestyle Medicine Institute, Bainbridge Island, WA 98110, USA;
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7
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Bonorden MJL, Carmella SG, Ballinger OT, Williams J, Dorn I, Vanderloo H, Fujioka N, Hatsukami DK, Hecht SS. Preparation of a Beverage Containing Freeze-Dried Watercress for a Clinical Trial of Carcinogen and Toxicant Detoxification. Cancer Prev Res (Phila) 2021; 15:143-149. [PMID: 34906989 DOI: 10.1158/1940-6207.capr-21-0473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 11/17/2021] [Accepted: 12/08/2021] [Indexed: 11/16/2022]
Abstract
Watercress is an excellent source of phenethyl isothiocyanate (PEITC), shown in many studies to enhance carcinogen and toxicant detoxification and to inhibit carcinogenesis. Based on a previous observation that PEITC can enhance the detoxification of common environmental pollutants such as acrolein, crotonaldehyde, benzene, and 1,3-butadiene, we designed a clinical trial testing the hypothesis that daily consumption of a drink containing freeze-dried watercress, an abundant source of PEITC, would have a similar effect, particularly observed in subjects who were null in certain glutathione S-transferase genes. This manuscript describes the preparation of nearly 100 pounds of freeze-dried watercress for this trial, starting with laboratory scale pilot studies and proceeding to industrial scale production of the fully validated product in compliance with all food safety requirements. Initial results validating subject compliance in the clinical trial are also presented.
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Affiliation(s)
| | | | | | | | - Irv Dorn
- Van Drunen Farms (United States)
| | - Hanna Vanderloo
- Masonic Cancer Center, Cancer Prevention & Tobacco Research Programs, University of Minnesota
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Wu X, Pehrsson PR. Current Knowledge and Challenges on the Development of a Dietary Glucosinolate Database in the United States. Curr Dev Nutr 2021; 5:nzab102. [PMID: 34458665 PMCID: PMC8386921 DOI: 10.1093/cdn/nzab102] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/07/2021] [Accepted: 07/16/2021] [Indexed: 01/09/2023] Open
Abstract
Glucosinolates (GSLs) are a group of cancer chemopreventive sulfur-containing compounds found primarily in Brassica vegetables. The goals of this study were to summarize the current knowledge and discuss the challenges of developing a dietary GSL database for US foods. A systematic literature search was conducted for the period 1980-2020. Thirty articles were found to meet all inclusion and exclusion criteria; 27 GSLs were reported in 16 different vegetables. GSLs identified and quantified ranged from 3 for winter cress to 16 for cabbage. In general, the experimental designs of these 30 studies did not fully consider the factors related to the data quality. Enormous variations of GSLs are observed between different vegetables and in the same vegetables. In conclusion, the studies on GSLs in commonly consumed vegetables are still limited, and some data may be outdated. Currently available data are not sufficient to develop a valid GSL database in the United States.
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Affiliation(s)
- Xianli Wu
- Methods and Application of Food Composition Laboratory, USDA ARS Beltsville Human Nutrition Research Center, Beltsville, MD, USA
| | - Pamela R Pehrsson
- Methods and Application of Food Composition Laboratory, USDA ARS Beltsville Human Nutrition Research Center, Beltsville, MD, USA
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Dietary isothiocyanates inhibit cancer progression by modulation of epigenome. Semin Cancer Biol 2021; 83:353-376. [PMID: 33434642 DOI: 10.1016/j.semcancer.2020.12.021] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 12/13/2020] [Accepted: 12/27/2020] [Indexed: 12/15/2022]
Abstract
Cell cycle, growth, survival and metabolism are tightly regulated together and failure in cellular regulation leads to carcinogenesis. Several signaling pathways like the PI3K, WNT, MAPK and NFKb pathway exhibit aberrations in cancer and help achieve hallmark capabilities. Clinical research and in vitro studies have highlighted the role of epigenetic alterations in cancer onset and development. Altered gene expression patterns enabled by changes in DNA methylation, histone modifications and RNA processing have proven roles in cancer hallmark acquisition. The reversible nature of epigenetic processes offers robust therapeutic targets. Dietary bioactive compounds offer a vast compendium of effective therapeutic moieties. Isothiocyanates (ITCs) sourced from cruciferous vegetables demonstrate anti-proliferative, pro-apoptotic, anti-inflammatory, anti-migratory and anti-angiogenic effect against several cancers. ITCs also modulate the redox environment, modulate signaling pathways including PI3K, MAPK, WNT, and NFkB. They also modulate the epigenetic machinery by regulating the expression and activity of DNA methyltransferases, histone modifiers and miRNA. This further enhances their transcriptional modulation of key cellular regulators. In this review, we comprehensively assess the impact of ITCs such as sulforaphane, phenethyl isothiocyanate, benzyl isothiocyanate and allyl isothiocyanate on cancer and document their effect on various molecular targets. Overall, this will facilitate consolidation of the current understanding of the anti-cancer and epigenetic modulatory potential of these compounds and recognize the gaps in literature. Further, we discuss avenues of future research to develop these compounds as potential therapeutic entities.
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Peterson LA, Balbo S, Fujioka N, Hatsukami DK, Hecht SS, Murphy SE, Stepanov I, Tretyakova NY, Turesky RJ, Villalta PW. Applying Tobacco, Environmental, and Dietary-Related Biomarkers to Understand Cancer Etiology and Evaluate Prevention Strategies. Cancer Epidemiol Biomarkers Prev 2020; 29:1904-1919. [PMID: 32051197 PMCID: PMC7423750 DOI: 10.1158/1055-9965.epi-19-1356] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 12/18/2019] [Accepted: 01/27/2020] [Indexed: 01/20/2023] Open
Abstract
Many human cancers are caused by environmental and lifestyle factors. Biomarkers of exposure and risk developed by our team have provided critical data on internal exposure to toxic and genotoxic chemicals and their connection to cancer in humans. This review highlights our research using biomarkers to identify key factors influencing cancer risk as well as their application to assess the effectiveness of exposure intervention and chemoprevention protocols. The use of these biomarkers to understand individual susceptibility to the harmful effects of tobacco products is a powerful example of the value of this type of research and has provided key data confirming the link between tobacco smoke exposure and cancer risk. Furthermore, this information has led to policy changes that have reduced tobacco use and consequently, the tobacco-related cancer burden. Recent technological advances in mass spectrometry led to the ability to detect DNA damage in human tissues as well as the development of adductomic approaches. These new methods allowed for the detection of DNA adducts in tissues from patients with cancer, providing key evidence that exposure to carcinogens leads to DNA damage in the target tissue. These advances will provide valuable insights into the etiologic causes of cancer that are not tobacco-related.See all articles in this CEBP Focus section, "Environmental Carcinogenesis: Pathways to Prevention."
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Affiliation(s)
- Lisa A Peterson
- Division of Environmental Health Sciences, University of Minnesota, Minneapolis, Minnesota.
- Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
| | - Silvia Balbo
- Division of Environmental Health Sciences, University of Minnesota, Minneapolis, Minnesota
- Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
| | - Naomi Fujioka
- Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
- Division of Hematology, Oncology and Transplantation, University of Minnesota, Minneapolis, Minnesota
| | - Dorothy K Hatsukami
- Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
- Department of Psychiatry, University of Minnesota, Minneapolis, Minnesota
| | - Stephen S Hecht
- Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, Minnesota
| | - Sharon E Murphy
- Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota
| | - Irina Stepanov
- Division of Environmental Health Sciences, University of Minnesota, Minneapolis, Minnesota
- Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
| | - Natalia Y Tretyakova
- Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
- Department of Medicinal Chemistry, University of Minnesota, Minneapolis, Minnesota
| | - Robert J Turesky
- Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
- Department of Medicinal Chemistry, University of Minnesota, Minneapolis, Minnesota
| | - Peter W Villalta
- Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
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Esteve M. Mechanisms Underlying Biological Effects of Cruciferous Glucosinolate-Derived Isothiocyanates/Indoles: A Focus on Metabolic Syndrome. Front Nutr 2020; 7:111. [PMID: 32984393 PMCID: PMC7492599 DOI: 10.3389/fnut.2020.00111] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 06/16/2020] [Indexed: 12/13/2022] Open
Abstract
An inverse correlation between vegetable consumption and the incidence of cancer has long been described. This protective effect is stronger when cruciferous vegetables are specifically consumed. The beneficial properties of vegetables are attributed to their bioactive components like fiber, antioxidants vitamins, antioxidants, minerals, and phenolic compounds. Cruciferous vegetables contain all these molecules; however, what makes them different are their sulfurous components, called glucosinolates, responsible for their special smell and taste. Glucosinolates are inactive biologically in the organism but are hydrolyzed by the enzyme myrosinase released as a result of chewing, leading to the formation of active derivatives such as isothiocyanates and indoles. A considerable number of in vitro and in vivo studies have reported that isothiocyanates and indoles elicit chemopreventive potency through multiple mechanisms that include modulation of phases I and II detoxification pathway enzymes, regulation of cell cycle arrest, and control of cell growth, induction of apoptosis, antioxidant activity, anti-angiogenic effects, and epigenetic regulation. Nuclear erythroid 2-related factor 2 (Nrf2) and Nuclear factor-κB (NF-κB) are key and central regulators in all these processes with a main role in oxidative stress and inflammation control. It has been described that isothiocyanates and indoles regulate their activity directly and indirectly. Today, the metabolic syndrome (central obesity, insulin resistance, hyperlipidemia, and hypertension) is responsible for a majority of deaths worldwide. All components of metabolic syndrome are characterized by chronic inflammation with deregulation of the PI3K/AKT/mTOR, MAPK/EKR/JNK, Nrf2, and NF-κB signaling pathways. The effects of GLSs derivatives controlling these pathways have been widely described in relation to cancer. Changes in food consumption patterns observed in the last decades to higher consumption of ultra-processed foods, with elevation in simple sugar and saturated fat contents and lower consumption of vegetables and fruits have been directly correlated with metabolic syndrome prevalence. In this review, it is summarized the knowledge regarding the mechanisms by which cruciferous glucosinolate derivatives (isothiocyanates and indoles) directly and indirectly regulate these pathways. However, the review places a special focus on the knowledge of the effects of glucosinolates derivatives in metabolic syndrome, since this has not been reviewed before.
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Affiliation(s)
- Montserrat Esteve
- Department of Biochemistry and Molecular Biomedicine, University of Barcelona, Barcelona, Spain
- Biomedical Research Centre in Physiopathology of Obesity and Nutrition (CIBERobn), Institute of Health Carlos III, Madrid, Spain
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12
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Leuppi-Taegtmeyer AB, Reinau D, Yilmaz S, Rüegg S, Krähenbühl S, Jick SS, Leuppi JD, Meier CR. Antiseizure drugs and risk of developing smoking-related chronic obstructive pulmonary disease or lung cancer: A population-based case-control study. Br J Clin Pharmacol 2020; 87:1253-1263. [PMID: 32738070 DOI: 10.1111/bcp.14501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 06/18/2020] [Accepted: 07/05/2020] [Indexed: 12/01/2022] Open
Abstract
AIMS To determine whether enzyme-inducing antiseizure drugs (ASDs) affect the risk of developing chronic obstructive pulmonary disease (COPD) or lung cancer in smokers. METHODS Cases of COPD and lung cancer and matched controls without these conditions were identified from a population of smokers with ≥1 prescription for any type of ASD in the Clinical Practice Research Datalink UK database of patients managed in primary care (1995-2016). A matched case-control study was performed utilising multivariate logistic regression analyses of exposure to enzyme-inducing ASDs compared to non-enzyme-inducing ASDs. The duration of ASD exposure and level of tobacco exposure were also assessed. RESULTS We identified 5952 incident COPD and 1373 incident lung cancer cases, and 59 328 and 13 681 matched controls, respectively. Compared with never use, ever use of enzyme-inducing ASDs was associated with slightly decreased risk estimates of COPD (adjusted odds ratio: 0.85, 95% confidence interval: 0.81-0.89) and lung cancer (adjusted odds ratio: 0.82, 95% confidence interval: 0.73-0.92). These risk estimates were attenuated in heavy smokers. CONCLUSION We found slightly decreased risk estimates of COPD and lung cancer among smokers taking enzyme-inducing ASDs and hypothesise that this may be related to induction of detoxification of tobacco-specific lung toxins.
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Affiliation(s)
- Anne B Leuppi-Taegtmeyer
- Department of Clinical Pharmacology & Toxicology, University Hospital Basel, Switzerland.,University of Basel, Switzerland
| | - Daphne Reinau
- Basel Pharmacoepidemiology Unit, Division of Clinical Pharmacy and Epidemiology, Department of Pharmaceutical Sciences, University of Basel, Switzerland.,Hospital Pharmacy, University Hospital Basel, Switzerland
| | | | - Stephan Rüegg
- University of Basel, Switzerland.,Department of Neurology, University Hospital Basel, Switzerland
| | - Stephan Krähenbühl
- Department of Clinical Pharmacology & Toxicology, University Hospital Basel, Switzerland.,University of Basel, Switzerland
| | - Susan S Jick
- Boston Collaborative Drug Surveillance Program, Lexington, MA, USA.,Boston University School of Public Health, Lexington, MA, USA
| | - Jörg D Leuppi
- University of Basel, Switzerland.,Medical University Clinic, Cantonal Hospital Baselland, Liestal, Switzerland
| | - Christoph R Meier
- Basel Pharmacoepidemiology Unit, Division of Clinical Pharmacy and Epidemiology, Department of Pharmaceutical Sciences, University of Basel, Switzerland.,Hospital Pharmacy, University Hospital Basel, Switzerland.,Boston Collaborative Drug Surveillance Program, Lexington, MA, USA
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13
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Boldry EJ, Yuan JM, Carmella SG, Wang R, Tessier K, Hatsukami DK, Hecht SS, Tretyakova NY. Effects of 2-Phenethyl Isothiocyanate on Metabolism of 1,3-Butadiene in Smokers. Cancer Prev Res (Phila) 2019; 13:91-100. [PMID: 31771940 DOI: 10.1158/1940-6207.capr-19-0296] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 09/27/2019] [Accepted: 11/19/2019] [Indexed: 11/16/2022]
Abstract
2-Phenethyl isothiocyanate (PEITC) is a natural product found as a conjugate in cruciferous vegetables. It has been reported to have preventative properties against lung cancer and to inhibit metabolic activation of tobacco carcinogens. In this study, we evaluated the ability of PEITC to influence the metabolism of the human carcinogen 1,3-butadiene in current smokers in a phase II clinical trial with a crossover design. Urinary mercapturic acids of 1,3-butadiene were quantified at baseline and during PEITC treatment. Seventy-nine smokers were randomly assigned to one of two arms: PEITC followed by placebo or placebo followed by PEITC. During the 1-week treatment period, each subject took PEITC (10 mg in 1 mL of olive oil, 4 times per day). There was a 1-week washout period between the PEITC and placebo periods. Oral ingestion of PEITC increased urinary levels of BD-mercapturic acids (MHBMA and DHBMA) by 11.1% and 3.7%, respectively, but these increases were not statistically significant (P = 0.17 and 0.64, respectively). A much stronger effect was observed among subjects with the null genotype of both GSTM1 and GSTT1: in these individuals, PEITC increased urinary levels of MHBMA by 58.7% (P = 0.004) and 90.0% (P = 0.001), respectively, but did not have a significant effect on urinary DHBMA. These results reveal a potentially protective effect of PEITC treatment with respect to the detoxification of 1,3-butadiene in cigarette smokers, specifically in those null for GSTT1, and provide further evidence in support of stronger chemopreventive effects from consumption of dietary isothiocyanates in these individuals.
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Affiliation(s)
- Emily J Boldry
- University of Minnesota Department of Medicinal Chemistry, Minneapolis, Minnesota
- University of Minnesota Masonic Cancer Center, Minneapolis, Minnesota
| | - Jian-Min Yuan
- UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, Pennsylvania
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Steven G Carmella
- University of Minnesota Masonic Cancer Center, Minneapolis, Minnesota
| | - Renwei Wang
- UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Katelyn Tessier
- University of Minnesota Masonic Cancer Center, Minneapolis, Minnesota
| | | | - Stephen S Hecht
- University of Minnesota Masonic Cancer Center, Minneapolis, Minnesota
| | - Natalia Y Tretyakova
- University of Minnesota Department of Medicinal Chemistry, Minneapolis, Minnesota.
- University of Minnesota Masonic Cancer Center, Minneapolis, Minnesota
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14
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Pudrith C, Dudley WN. Sensorineural hearing loss and volatile organic compound metabolites in urine. Am J Otolaryngol 2019; 40:409-412. [PMID: 30871731 DOI: 10.1016/j.amjoto.2019.03.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 03/04/2019] [Indexed: 11/19/2022]
Abstract
PURPOSE Oxidative stress in the auditory system contributes to acquired sensorineural hearing loss. Systemic oxidative stress, which may predict auditory oxidative stress, can be assessed by measuring volatile organic compound metabolite concentrations in urine. The purpose of this retrospective study was to determine if hearing decreased in those with higher concentrations of urinary volatile organic compound metabolites. MATERIALS AND METHODS Audiometric, demographic, and metabolite concentration data were downloaded from the 2011-2012 cycle of the U.S. National Health and Nutritional Examination Survey. Participants were first grouped by reported noise exposure. For each metabolite, an analysis of covariance was used to look for differences in age-adjusted hearing loss among urinary volatile organic compound metabolite concentration groups. Participants were grouped into quartiles based on concentration for each metabolite separately because many individuals were at the lower limit of concentration detection for several metabolites, leading to a non-normal distribution. RESULTS Age-adjusted high-frequency pure-tone thresholds were significantly (FDR < 0.05) increased by about 3 to 4 dB in high concentration quartile groups for five metabolites. All five metabolites were glutathione-dependent mercapturic acids. The parent compounds of these metabolites included acrylonitrile, 1,3 butadiene, styrene, acrylamide, and N,N-dimethylformamide. Significant associations were only found in those with no reported noise exposure. CONCLUSIONS Urinary metabolites may help to explain susceptibility to oxidative stress-induced hearing loss.
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Affiliation(s)
- Charles Pudrith
- Department of Allied Health and Communicative Disorders, Northern Illinois University, IL, United States of America.
| | - William N Dudley
- Department of Public Health Education, University of North Carolina at Greensboro, NC, United States of America.
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15
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Ersoz Unlu C, Akkoca Ö, Tatar I, Sargon MF, Zeybek D, Oguztuzun S. Protective effect of aerobic exercise on the vocal folds against cigarette smoke exposure. Eur Arch Otorhinolaryngol 2019; 276:1713-1719. [PMID: 30980189 DOI: 10.1007/s00405-019-05422-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Accepted: 04/07/2019] [Indexed: 12/12/2022]
Abstract
PURPOSE Laryngeal pathologies due to cigarette smoking vary among individuals, whereas some smokers remain disease free. These differences can be explained by multiple factors among individuals. In this context, an animal study was designed to determine if there is any protective effect of aerobic exercise against the detrimental effects of cigarette smoke on laryngeal tissues. METHODS A total of 24 male Wistar albino rats were divided into three groups of eight animals each: control (no smoke exposure), smoking (smoke exposure), and exercise (smoke exposure and exercise) groups. Histopathological (light and electron microscopy) and immunohistochemical (GSTA1, CYP1A1, CYP2E1) evaluations of the vocal folds were performed at the end of experimental period. RESULTS Exercise group revealed statistically significant decrease in edema (p = 0.03) and inflammatory cell infiltration (p = 0.02) compared to smoking group. In electron microscopic evaluation; cytoplasmic vacuoles were also present in exercise group, but were smaller than smoking group. Edema and swollen mitochondria were also less prominent in exercise group. Condensed chromatin material in the periphery of nucleus was observed only in few cells in exercise group, and observed in more cells in smoking group. GSTA1 expression was higher (p = 0.047) and CYP1A1 expression was lower (p = 0.01) in exercise group than smoking group. CONCLUSIONS Our results indicate that aerobic exercise has a protective role on the larynx against the damaging effect of cigarette smoke. Smokers who exercise regularly may be at a lower risk of cigarette smoke-related laryngeal diseases, as compared with those who do not exercise.
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Affiliation(s)
- Ceren Ersoz Unlu
- Department of Otolaryngology, Gulhane Training and Research Hospital, Ankara, Turkey.
| | - Özlem Akkoca
- Department of Otolaryngology, Ankara Training and Research Hospital, Ankara, Turkey
| | - Ilkan Tatar
- Department of Anatomy, Hacettepe University School of Medicine, Ankara, Turkey
| | | | - Dilara Zeybek
- Department of Histology and Embryology, Hacettepe University School of Medicine, Ankara, Turkey
| | - Serpil Oguztuzun
- Department of Biology, Kirikkale University School of Medicine, Kirikkale, Turkey
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16
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Traka MH, Melchini A, Coode-Bate J, Al Kadhi O, Saha S, Defernez M, Troncoso-Rey P, Kibblewhite H, O'Neill CM, Bernuzzi F, Mythen L, Hughes J, Needs PW, Dainty JR, Savva GM, Mills RD, Ball RY, Cooper CS, Mithen RF. Transcriptional changes in prostate of men on active surveillance after a 12-mo glucoraphanin-rich broccoli intervention-results from the Effect of Sulforaphane on prostate CAncer PrEvention (ESCAPE) randomized controlled trial. Am J Clin Nutr 2019; 109:1133-1144. [PMID: 30982861 PMCID: PMC6462431 DOI: 10.1093/ajcn/nqz012] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Accepted: 01/18/2019] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Epidemiological evidence suggests that consumption of cruciferous vegetables is associated with reduced risk of prostate cancer progression, largely attributed to the biological activity of glucosinolate degradation products, such as sulforaphane derived from glucoraphanin. Because there are few therapeutic interventions for men on active surveillance for prostate cancer to reduce the risk of cancer progression, dietary approaches are an appealing option for patients. OBJECTIVE We evaluated whether consumption of a glucoraphanin-rich broccoli soup for 1 y leads to changes in gene expression in prostate tissue of men with localized prostate cancer. METHODS Forty-nine men on active surveillance completed a 3-arm parallel randomized double-blinded intervention study for 12 mo and underwent transperineal template biopsy procedures and dietary assessment at the start and end of the study. Patients received a weekly 300 mL portion of soup made from a standard broccoli (control) or from 1 of 2 experimental broccoli genotypes with enhanced concentrations of glucoraphanin, delivering 3 and 7 times that of the control, respectively. Gene expression in tissues from each patient obtained before and after the dietary intervention was quantified by RNA sequencing followed by gene set enrichment analyses. RESULTS In the control arm, there were several hundred changes in gene expression in nonneoplastic tissue during the 12 mo. These were associated with an increase in expression of potentially oncogenic pathways including inflammation processes and epithelial-mesenchymal transition. Changes in gene expression and associated oncogenic pathways were attenuated in men on the glucoraphanin-rich broccoli soup in a dose-dependent manner. Although the study was not powered to assess clinical progression, an inverse association between consumption of cruciferous vegetables and cancer progression was observed. CONCLUSION Consuming glucoraphanin-rich broccoli soup affected gene expression in the prostate of men on active surveillance, consistent with a reduction in the risk of cancer progression. This trial was registered at clinicaltrials.gov as NCT01950143.
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Affiliation(s)
- Maria H Traka
- Quadram Institute Bioscience, Norwich, United Kingdom
| | | | - Jack Coode-Bate
- Quadram Institute Bioscience, Norwich, United Kingdom,Department of Urology, Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, United Kingdom
| | - Omar Al Kadhi
- Quadram Institute Bioscience, Norwich, United Kingdom,Department of Urology, Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, United Kingdom
| | - Shikha Saha
- Quadram Institute Bioscience, Norwich, United Kingdom
| | | | | | | | | | | | - Laura Mythen
- Quadram Institute Bioscience, Norwich, United Kingdom
| | - Jackie Hughes
- Quadram Institute Bioscience, Norwich, United Kingdom
| | - Paul W Needs
- Quadram Institute Bioscience, Norwich, United Kingdom
| | - Jack R Dainty
- Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | | | - Robert D Mills
- Department of Urology, Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, United Kingdom
| | - Richard Y Ball
- Norfolk and Waveney Cellular Pathology Service, Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, United Kingdom
| | - Colin S Cooper
- Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Richard F Mithen
- Quadram Institute Bioscience, Norwich, United Kingdom,Liggins Institute, University of Auckland, New Zealand,Address correspondence to RFM (e-mail: )
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17
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Palliyaguru DL, Yuan JM, Kensler TW, Fahey JW. Isothiocyanates: Translating the Power of Plants to People. Mol Nutr Food Res 2018; 62:e1700965. [PMID: 29468815 PMCID: PMC6226005 DOI: 10.1002/mnfr.201700965] [Citation(s) in RCA: 101] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Revised: 02/13/2018] [Indexed: 12/19/2022]
Abstract
Isothiocyanates from cruciferous vegetables have been studied extensively in cells and in animals for their disease preventive and therapeutic effects. However, translating their utility to human populations has been both limited and challenging. Herein, clinical trials employing two isothiocyanates, sulforaphane (SFN; 1-isothiocyanato-4-(methylsulfinyl) butane) and phenethyl isothiocyanate (PEITC; 2-isothiocyanatoethylbenzene) that are isolated principally from broccoli and watercress, respectively, are summarized and discussed. Both of these compounds have been used in small human clinical trials, either within food matrices or as single agents, against a variety of diseases ranging from cancer to autism. Results suggest an opportunity to incorporate them, or more likely preparations derived from their source plants, into larger human disease mitigation efforts. The context for the applications of these compounds and plants in evidence-based food and nutritional policy is also evaluated.
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Affiliation(s)
- Dushani L Palliyaguru
- Department of Pharmacology and Chemical Biology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jian-Min Yuan
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
- Division of Cancer Control and Population Sciences, UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Thomas W Kensler
- Department of Pharmacology and Chemical Biology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
- Division of Cancer Control and Population Sciences, UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Jed W Fahey
- Departments of Medicine, Pharmacology and Molecular Sciences, International Health and Cullman Chemoprotection Center, Johns Hopkins University, Baltimore, MD, USA
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18
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Yu P, Kusuma JD, Suarez MAR, Pamela Koong Shiao SY. Lung cancer susceptibility from GSTM1 deletion and air pollution with smoking status: a meta-prediction of worldwide populations. Oncotarget 2018; 9:31120-31132. [PMID: 30123431 PMCID: PMC6089566 DOI: 10.18632/oncotarget.25693] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 06/13/2018] [Indexed: 01/25/2023] Open
Abstract
Glutathione S transferase mu 1 (GSTM1) gene has been associated with lung cancer (LC) risk, for GSTM1 enzyme playing a vital role in detoxification pathway and protective against toxic insults. The major objective of this study was to investigate GSTM1 deletion pattern and its association with LC in the world’s population by using meta-prediction techniques. The secondary objective was to examine the effects of air pollution, smoking status, and other factors for gene-environment interactions with GSTM1 deletion and LC risk. We completed a comprehensive search to yield a total of 170 studies (40,296 cases and 48,346 controls) published from 1999 to 2017 for meta-analyses. The results revealed that GSTM1 deletion type was associated with increased risk of LC, while GSTM1 present type provided protective effect for all populations combined worldwide. Subgroup analysis on the rank order of risks from highest to lowest, among racial–ethnic groups, were Chinese, South East Asian, other North Asian, European, and finally American. Additional predictive analyses presented that air pollution played a significant role with increased risks of GSTM1 deletion and LC susceptibility, and the risks increased for smokers with higher levels of air pollution. Based on the findings of meta-predictive analysis, increased air pollution levels and smoking status presented additive effects to the LC risk susceptibilities and GSTM1 gene polymorphisms, for gene-environment interactions. Future studies are needed to examine gene-environment interactions for GSTM1 interacting with environmental factors and dietary interventions to mitigate the toxic effects, for LC prevention.
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Affiliation(s)
- Pojui Yu
- Department of Nursing, Fu Jen Catholic University Hospital, New Taipei City, Taiwan (R.O.C.).,School of Nursing, College of Medicine, National Taiwan University, Taipei, Taiwan (R.O.C.)
| | - Joyce D Kusuma
- Heritage Victor Valley Medical Group, Augusta University, Augusta, GA, USA
| | - Maria Aurora R Suarez
- Critical Care and Telemetry, Citrus Valley Health Partners, Augusta University, Augusta, GA, USA
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19
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Morales-Prieto N, Ruiz-Laguna J, Sheehan D, Abril N. Transcriptome signatures of p,p´-DDE-induced liver damage in Mus spretus mice. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 238:150-167. [PMID: 29554563 DOI: 10.1016/j.envpol.2018.03.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 02/19/2018] [Accepted: 03/04/2018] [Indexed: 06/08/2023]
Abstract
The use of DDT (1,1,1-trichloro-2,2-bis(p-chlorophenyl) ethane) in some countries, although regulated, is contributing to an increased worldwide risk of exposure to this organochlorine pesticide or its derivative p,p'-DDE [1,1-dichloro-2,2-bis(p-chlorophenyl) ethylene]. Many studies have associated p,p'-DDE exposure to type 2 diabetes, obesity and alterations of the reproductive system, but their molecular mechanisms of toxicity remain poorly understood. We have addressed this issue by using commercial microarrays based on probes for the entire Mus musculus genome to determine the hepatic transcriptional signatures of p,p'-DDE in the phylogenetically close mouse species Mus spretus. High-stringency hybridization conditions and analysis assured reliable results, which were also verified, in part, by qRT-PCR, immunoblotting and/or enzymatic activity. Our data linked 198 deregulated genes to mitochondrial dysfunction and perturbations of central signaling pathways (kinases, lipids, and retinoic acid) leading to enhanced lipogenesis and aerobic glycolysis, inflammation, cell proliferation and testosterone catabolism and excretion. Alterations of transcript levels of genes encoding enzymes involved in testosterone catabolism and excretion would explain the relationships established between p,p´-DDE exposure and reproductive disorders, obesity and diabetes. Further studies will help to fully understand the molecular basis of p,p´-DDE molecular toxicity in liver and reproductive organs, to identify effective exposure biomarkers and perhaps to design efficient p,p'-DDE exposure counteractive strategies.
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Affiliation(s)
- Noelia Morales-Prieto
- Departamento de Bioquímica y Biología Molecular, Campus de Excelencia Internacional Agroalimentario CeiA3, Universidad de Córdoba, Campus de Rabanales, Edificio Severo Ochoa, E-14071, Córdoba, Spain
| | - Julia Ruiz-Laguna
- Departamento de Bioquímica y Biología Molecular, Campus de Excelencia Internacional Agroalimentario CeiA3, Universidad de Córdoba, Campus de Rabanales, Edificio Severo Ochoa, E-14071, Córdoba, Spain
| | - David Sheehan
- College of Arts and Science, Khalifa University of Science and Technology, PO Box 127788, Abu Dhabi, United Arab Emirates
| | - Nieves Abril
- Departamento de Bioquímica y Biología Molecular, Campus de Excelencia Internacional Agroalimentario CeiA3, Universidad de Córdoba, Campus de Rabanales, Edificio Severo Ochoa, E-14071, Córdoba, Spain.
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20
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Zhang Z, Bergan R, Shannon J, Slatore CG, Bobe G, Takata Y. The Role of Cruciferous Vegetables and Isothiocyanates for Lung Cancer Prevention: Current Status, Challenges, and Future Research Directions. Mol Nutr Food Res 2018; 62:e1700936. [PMID: 29663679 DOI: 10.1002/mnfr.201700936] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2017] [Revised: 04/06/2018] [Indexed: 01/07/2023]
Abstract
Lung cancer remains a leading cause of cancer-related deaths in the United States. Although smoking and air pollution exposure are primary risk factors of lung cancer, diet has also been reported to contribute to lung cancer risk. Cruciferous vegetables contain many bioactive compounds that alter the detoxification process of air-borne carcinogenic compounds and, thereby, may decrease lung cancer risk. In the meta-analysis of 31 observational studies, cruciferous vegetable intake is inversely associated with lung cancer risk (summary odds ratio/relative risk = 0.81 and 95% confidence interval = 0.74-0.89 for comparing the highest with lowest intake categories). More observational studies need to measure urinary isothiocyanate (ITC) concentrations and investigate their association with lung cancer risk in populations with relatively high intake of cruciferous vegetables. Current evidence is limited to two phase 2 clinical trials with incomplete reporting. Hence, more short-term clinical phase 2 trials need to examine effects of various amounts and types of cruciferous vegetables on biomarkers of risk and efficacy before a large phase 3 trial can be conducted to assess effects upon lung cancer risk. This would help further elucidate whether the inverse association observed with self-reported cruciferous vegetable intake is indeed due to ITC content or other bioactive compounds.
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Affiliation(s)
- Zhenzhen Zhang
- OHSU-PSU School of Public Health, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR, 97239, USA
| | - Raymond Bergan
- Division of Hematology/Oncology, Knight Cancer Institute, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Jackilen Shannon
- OHSU-PSU School of Public Health, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR, 97239, USA
| | - Christopher G Slatore
- Health Services Research & Development and Section of Pulmonary & Critical Care Medicine, VA Portland Health Care System, Portland, OR, 97239, USA.,Department of Medicine and Department of Radiation Medicine, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Gerd Bobe
- Linus Pauling Institute, Department of Animal Sciences, Oregon State University, Corvallis, OR, 97331, USA
| | - Yumie Takata
- College of Public Health and Human Sciences, School of Biological and Population Sciences, Oregon State University, Corvallis, OR, 97331, USA
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21
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Isothiocyanates and Xenobiotic Detoxification. Mol Nutr Food Res 2018; 62:e1700916. [DOI: 10.1002/mnfr.201700916] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Revised: 12/18/2017] [Indexed: 12/22/2022]
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22
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Han W, Wang S, Li M, Jiang L, Wang X, Xie K. The protective effect of diallyl trisulfide on cytopenia induced by benzene through modulating benzene metabolism. Food Chem Toxicol 2018; 112:393-399. [PMID: 29305270 DOI: 10.1016/j.fct.2017.12.060] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 12/24/2017] [Accepted: 12/28/2017] [Indexed: 02/02/2023]
Abstract
It has been known that metabolism of benzene is necessary for its toxicity. The purpose of our study is to investigate the effect of diallyl trisulfide (DATS) on attenuating cytopenia in peripheral blood introduced by benzene through regulating benzene metabolism in rats. We established benzene poisoning model with benzene (1.3 g/kg), while the DATS treatment groups were treated with DATS plus benzene (15 or 30 mg/kg) for 28 days, respectively. The results of blood parameters and concentration of metabolites of benzene (t, t-MA and SPMA) determination in urine showed that DATS could effectively attenuate the cytopenia induced by benzene through regulating benzene metabolism. Western blot and chemical method were used to detect the activities and protein expression levels of enzymes CYP2E1 and GSTT1 in liver and enzymes MPO and NQO1 in bone marrow were tested. The results suggested that the inhibition of bioactivation in liver and bone marrow catalyzed by CYP2E1 and MPO and the activation of detoxification catalyzed by GSTT1 and NQO1 might be the critical mechanism, through which DATS modulated benzene metabolism to prevent benzene-induced cytopenia.
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Affiliation(s)
- Wenting Han
- Institute of Toxicology, School of Public Health, Shandong University, Jinan, Shandong 250012, China; School of Food Engineering, Ludong University, Yantai, Shandong 264025, China.
| | - Shuo Wang
- Institute of Toxicology, School of Public Health, Shandong University, Jinan, Shandong 250012, China
| | - Ming Li
- Institute of Toxicology, School of Public Health, Shandong University, Jinan, Shandong 250012, China
| | - Lulu Jiang
- Institute of Toxicology, School of Public Health, Shandong University, Jinan, Shandong 250012, China
| | - Xujing Wang
- Institute of Toxicology, School of Public Health, Shandong University, Jinan, Shandong 250012, China
| | - Keqin Xie
- Institute of Toxicology, School of Public Health, Shandong University, Jinan, Shandong 250012, China.
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23
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Upadhyaya P, Zarth AT, Fujioka N, Fritz VA, Hecht SS. Identification and analysis of a mercapturic acid conjugate of indole-3-methyl isothiocyanate in the urine of humans who consumed cruciferous vegetables. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1072:341-346. [PMID: 29223047 PMCID: PMC5743587 DOI: 10.1016/j.jchromb.2017.12.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Revised: 11/27/2017] [Accepted: 12/01/2017] [Indexed: 02/06/2023]
Abstract
Glucobrassicin, a quantitatively significant constituent of Brassica vegetables, gives rise to indole-3-carbinol (I3C) and its dimer di-indolylmethane (DIM) when the vegetables are chewed. I3C and DIM have been extensively studied with respect to their anti-carcinogenic properties. However, the presumed intermediate isothiocyanate in their formation, indole-3-methyl isothiocyanate (IMITC), has to our knowledge never been observed, despite the fact that isothiocyanates derived from cruciferous vegetables are known to have anti-carcinogenic properties. Therefore, we investigated the formation and presence in human urine of IMITC by analyzing for its N-acetylcysteine conjugate, IMITC-NAC, in order to gain a more complete understanding of the biochemical pathways leading to formation of I3C and DIM upon consumption of vegetables rich in glucobrassicin. Standard IMITC-NAC was synthesized and its structure confirmed by NMR and MS. IMITC-NAC was identified in extracts of Brussels sprouts chopped in the presence of N-acetylcysteine. An LC-ESI-MS/MS-SRM method for analysis of IMITC-NAC, with [13C,15N]IMITC-NAC as internal standard, was developed and validated. Then, ten subjects (7 females) consumed a salad of Brussels sprouts and cabbage (containing 100-500μmol glucobrassicin) once daily for 3days. Urine was collected at intervals up to 24h after vegetable consumption. Levels of IMITC-NAC in the urine of these 10 subjects ranged from 0.2 to 30.2pmol/mL urine. These results provide the first evidence for the presumed intermediacy of IMITC in the formation of I3C and DIM in humans who consumed Brussels sprouts and cabbage as a source of glucobrassicin.
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Affiliation(s)
- Pramod Upadhyaya
- Masonic Cancer Center, University of Minnesota, 2231 6th Street SE, Minneapolis, MN 55455, USA
| | - Adam T Zarth
- Masonic Cancer Center, University of Minnesota, 2231 6th Street SE, Minneapolis, MN 55455, USA
| | - Naomi Fujioka
- Masonic Cancer Center, University of Minnesota, 2231 6th Street SE, Minneapolis, MN 55455, USA
| | - Vincent A Fritz
- Southern Research and Outreach Center, University of Minnesota, 35838 120th Street, Waseca, MN 56093, USA
| | - Stephen S Hecht
- Masonic Cancer Center, University of Minnesota, 2231 6th Street SE, Minneapolis, MN 55455, USA.
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Plausible Roles for RAGE in Conditions Exacerbated by Direct and Indirect (Secondhand) Smoke Exposure. Int J Mol Sci 2017; 18:ijms18030652. [PMID: 28304347 PMCID: PMC5372664 DOI: 10.3390/ijms18030652] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 03/07/2017] [Accepted: 03/14/2017] [Indexed: 02/07/2023] Open
Abstract
Approximately 1 billion people smoke worldwide, and the burden placed on society by primary and secondhand smokers is expected to increase. Smoking is the leading risk factor for myriad health complications stemming from diverse pathogenic programs. First- and second-hand cigarette smoke contains thousands of constituents, including several carcinogens and cytotoxic chemicals that orchestrate chronic inflammatory responses and destructive remodeling events. In the current review, we outline details related to compromised pulmonary and systemic conditions related to smoke exposure. Specifically, data are discussed relative to impaired lung physiology, cancer mechanisms, maternal-fetal complications, cardiometabolic, and joint disorders in the context of smoke exposure exacerbations. As a general unifying mechanism, the receptor for advanced glycation end-products (RAGE) and its signaling axis is increasingly considered central to smoke-related pathogenesis. RAGE is a multi-ligand cell surface receptor whose expression increases following cigarette smoke exposure. RAGE signaling participates in the underpinning of inflammatory mechanisms mediated by requisite cytokines, chemokines, and remodeling enzymes. Understanding the biological contributions of RAGE during cigarette smoke-induced inflammation may provide critically important insight into the pathology of lung disease and systemic complications that combine during the demise of those exposed.
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