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Lim J, Hong HG, Weinstein SJ, Playdon MC, Cross AJ, Stolzenberg-Solomon R, Freedman ND, Huang J, Albanes D. Metabolomic Analysis of Vitamin E Supplement Use in the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial. Nutrients 2023; 15:2836. [PMID: 37447163 PMCID: PMC10343751 DOI: 10.3390/nu15132836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/13/2023] [Accepted: 06/15/2023] [Indexed: 07/15/2023] Open
Abstract
The effects of vitamin E supplementation on cancer and other chronic diseases are not clear. We compared the serum metabolomic profile of differing vitamin E dosages in order to re-examine the previously observed changes in a novel C22 lactone sulfate compound, androgenic steroids, and other metabolites. A total of 3409 women and men previously selected for metabolomics studies in the PLCO Cancer Screening Trial were included in this investigation. Serum metabolites were profiled using ultrahigh-performance liquid and gas chromatography/tandem mass spectrometry. Seventy known metabolites including C22 lactone sulfate and androgens were significantly associated with vitamin E supplementation. In the sex-stratified analysis, 10 cofactors and vitamins (e.g., alpha-CEHC sulfate and alpha-CEHC glucuronide), two carbohydrates (glyceric and oxalic acids), and one lipid (glycocholenate sulfate) were significantly associated with vitamin E dose in both males and females (FDR-adjusted p-value < 0.01). However, the inverse association between C22 lactone sulfate and daily vitamin E supplementation was evident in females only, as were two androgenic steroids, 5-androstenediol and androsterone glucuronide. Our study provides evidence of distinct steroid hormone pathway responses based on vitamin E dosages. Further studies are needed to gain biological insights into vitamin E biochemical effects relevant to cancer and other chronic diseases.
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Affiliation(s)
- Jungeun Lim
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA; (J.L.); (H.G.H.); (S.J.W.); (R.S.-S.); (N.D.F.); (J.H.)
| | - Hyokyoung G. Hong
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA; (J.L.); (H.G.H.); (S.J.W.); (R.S.-S.); (N.D.F.); (J.H.)
| | - Stephanie J. Weinstein
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA; (J.L.); (H.G.H.); (S.J.W.); (R.S.-S.); (N.D.F.); (J.H.)
| | - Mary C. Playdon
- University of Utah and Cancer Control and Population Sciences Program, Department of Nutrition and Integrative Physiology, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84112, USA;
| | - Amanda J. Cross
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London SW7 2AZ, UK;
- Cancer Screening & Prevention Research Group, Department of Surgery & Cancer, Imperial College London, London SW7 2AZ, UK
| | - Rachael Stolzenberg-Solomon
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA; (J.L.); (H.G.H.); (S.J.W.); (R.S.-S.); (N.D.F.); (J.H.)
| | - Neal D. Freedman
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA; (J.L.); (H.G.H.); (S.J.W.); (R.S.-S.); (N.D.F.); (J.H.)
| | - Jiaqi Huang
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA; (J.L.); (H.G.H.); (S.J.W.); (R.S.-S.); (N.D.F.); (J.H.)
| | - Demetrius Albanes
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA; (J.L.); (H.G.H.); (S.J.W.); (R.S.-S.); (N.D.F.); (J.H.)
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Huang J, Hodis HN, Weinstein SJ, Mack WJ, Sampson JN, Mondul AM, Albanes D. Serum Metabolomic Response to Low- and High-Dose Vitamin E Supplementation in Two Randomized Controlled Trials. Cancer Epidemiol Biomarkers Prev 2020; 29:1329-1334. [PMID: 32312759 DOI: 10.1158/1055-9965.epi-20-0187] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 03/22/2020] [Accepted: 04/15/2020] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Vitamin E is an essential micronutrient and critical human antioxidant previously tested for cancer preventative effects with conflicting clinical trial results that have yet to be explained biologically. METHODS We examined baseline and on-trial serum samples for 154 men randomly assigned to receive 400 IU vitamin E (as alpha-tocopheryl acetate; ATA) or placebo daily in the Vitamin E Atherosclerosis Prevention Study (VEAPS), and for 100 men administered 50 IU ATA or placebo daily in the Alpha-Tocopherol, Beta-Carotene Cancer Prevention Study (ATBC). Over 970 metabolites were identified using ultrahigh-performance LC/MS-MS. Linear regression models estimated the change in serum metabolites of men supplemented with vitamin E versus those receiving placebo in VEAPS as compared with ATBC. RESULTS Serum alpha-carboxyethyl hydrochroman (CEHC) sulfate, alpha-tocopherol, and beta/gamma-tocopherol were significantly altered by ATA supplementation in both trials (all P values ≤5.1 × 10-5, the Bonferroni multiple comparisons corrected statistical threshold). Serum C22 lactone sulfate was significantly decreased in response to the high-dose vitamin E in VEAPS (β = -0.70, P = 8.1 × 10-6), but not altered by the low dose in ATBC (β = -0.17, P = 0.4). In addition, changes in androgenic steroid metabolites were strongly correlated with the vitamin E supplement-associated change in C22 lactone sulfate only in the VEAPS trial. CONCLUSIONS We found evidence of a dose-dependent vitamin E supplementation effect on a novel C22 lactone sulfate compound that was correlated with several androgenic steroids. IMPACT Our data add information on a differential hormonal response based on vitamin E dose that could have direct relevance to opposing prostate cancer incidence results from previous large controlled trials.
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Affiliation(s)
- Jiaqi Huang
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, Maryland.
| | - Howard N Hodis
- Atherosclerosis Research Unit, Department of Preventive Medicine, Keck School of Medicine, University of Southern California (USC), Los Angeles, California
| | - Stephanie J Weinstein
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, Maryland
| | - Wendy J Mack
- Atherosclerosis Research Unit, Department of Preventive Medicine, Keck School of Medicine, University of Southern California (USC), Los Angeles, California
| | - Joshua N Sampson
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, Maryland
| | - Alison M Mondul
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, Michigan
| | - Demetrius Albanes
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, Maryland.
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Rendic SP, Peter Guengerich F. Human cytochrome P450 enzymes 5-51 as targets of drugs and natural and environmental compounds: mechanisms, induction, and inhibition - toxic effects and benefits. Drug Metab Rev 2019; 50:256-342. [PMID: 30717606 DOI: 10.1080/03602532.2018.1483401] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Cytochrome P450 (P450, CYP) enzymes have long been of interest due to their roles in the metabolism of drugs, pesticides, pro-carcinogens, and other xenobiotic chemicals. They have also been of interest due to their very critical roles in the biosynthesis and metabolism of steroids, vitamins, and certain eicosanoids. This review covers the 22 (of the total of 57) human P450s in Families 5-51 and their substrate selectivity. Furthermore, included is information and references regarding inducibility, inhibition, and (in some cases) stimulation by chemicals. We update and discuss important aspects of each of these 22 P450s and questions that remain open.
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Affiliation(s)
| | - F Peter Guengerich
- b Department of Biochemistry , Vanderbilt University School of Medicine , Nashville , TN , USA
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Nielsen AJ, McNulty J. Polyphenolic natural products and natural product–inspired steroidal mimics as aromatase inhibitors. Med Res Rev 2018; 39:1274-1293. [DOI: 10.1002/med.21536] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 08/03/2018] [Accepted: 08/05/2018] [Indexed: 01/13/2023]
Affiliation(s)
- Alexander J. Nielsen
- Department of Chemistry & Chemical BiologyMcMaster UniversityHamilton Ontario Canada
| | - James McNulty
- Department of Chemistry & Chemical BiologyMcMaster UniversityHamilton Ontario Canada
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Singh FV, Rehbein J, Wirth T. Facile oxidative rearrangements using hypervalent iodine reagents. ChemistryOpen 2012; 1:245-50. [PMID: 24551514 PMCID: PMC3922481 DOI: 10.1002/open.201200037] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2012] [Indexed: 11/23/2022] Open
Abstract
Aromatic substituents migrate in a novel oxidative cyclization mediated by iodine(III) reagents. 4-Arylbut-3-enoic acids are cyclized and rearranged to 4-arylfuran-2(5H)-ones by hypervalent iodine compounds in good to excellent yields under mild reaction conditions. Other ring sizes are also accessible. The mechanism of the reaction is described in detail, and calculations highlight the cationic nature of the intermediates in the rearrangement. The fast access to heavily substituted furanones is used for the synthesis of biologically active derivatives.
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Affiliation(s)
- Fateh V Singh
- School of Chemistry, Cardiff University Park Place, Main Building, Cardiff CF10 3AT (United Kingdom) E-mail:
| | - Julia Rehbein
- School of Chemistry, Cardiff University Park Place, Main Building, Cardiff CF10 3AT (United Kingdom) E-mail:
| | - Thomas Wirth
- School of Chemistry, Cardiff University Park Place, Main Building, Cardiff CF10 3AT (United Kingdom) E-mail:
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Ho SM, Lee MT, Lam HM, Leung YK. Estrogens and prostate cancer: etiology, mediators, prevention, and management. Endocrinol Metab Clin North Am 2011; 40:591-614, ix. [PMID: 21889723 PMCID: PMC3167093 DOI: 10.1016/j.ecl.2011.05.002] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The mainstay targets for hormonal prostate cancer (PCa) therapies are based on negating androgen action. Recent epidemiologic and experimental data have pinpointed the key roles of estrogens in PCa development and progression. Racial and geographic differences, as well as age-associated changes, in estrogen synthesis and metabolism contribute significantly to the etiology. This article summarizes how different estrogens/antiestrogens/estrogen mimics contribute to prostate carcinogenesis, the roles of the different mediators of estrogen in the process, and the potentials of new estrogenic/antiestrogenic compounds for prevention and treatment of PCa.
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Affiliation(s)
- Shuk-Mei Ho
- Department of Environmental Health, Center for Environmental Genetics, and the Cancer Institute, College of Medicine, University of Cincinnati, Cincinnati, Ohio
| | - Ming-tsung Lee
- Department of Environmental Health, College of Medicine, University of Cincinnati, Cincinnati, Ohio. Telephone 513-558-0595, Fax 513-558-0071,
| | - Hung-Ming Lam
- Department of Environmental Health, College of Medicine, University of Cincinnati, Cincinnati, Ohio. Telephone 513-558-0595, Fax 513-558-0071,
| | - Yuet-Kin Leung
- Department of Environmental Health, Center for Environmental Genetics, and The Cancer Institute, College of Medicine, University of Cincinnati, Cincinnati, Ohio. Telephone 513-558-5181, Fax 513-558-0071,
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Stimulation of serotonergic 5-HT2A receptor signaling increases placental aromatase (CYP19) activity and expression in BeWo and JEG-3 human choriocarcinoma cells. Placenta 2011; 32:651-656. [PMID: 21703684 DOI: 10.1016/j.placenta.2011.06.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2011] [Revised: 06/03/2011] [Accepted: 06/06/2011] [Indexed: 01/23/2023]
Abstract
It is known that serotonin can influence the production and function of sex hormones, such as estrogens. Estrogens are critical for maintenance of pregnancy and regulate placental and fetal development. The key enzyme controlling estrogens synthesis during pregnancy is placental aromatase (CYP19). To better understand the regulation of placental aromatase, this study determined whether serotonin is involved in the regulation of this enzyme. BeWo and JEG-3 choriocarcinoma cells were used as models of the human placental trophoblast to evaluate the effects of serotonin and selective 5-HT(2A) receptor agonists on CYP19 activity and expression. Serotonin and selective 5-HT(2A) receptor agonists as well as PKC activation increased aromatase activity and expression in BeWo and JEG-3 cells. Dexamethasone, which regulates aromatase expression via JAK/STAT activation in certain tissues, had no effect. Increased CYP19 gene transcription by 5-HT(2A) receptor and PKC stimulation was mediated by activation of the placental I.1 aromatase promoter. This study shows that the serotonergic system modulates placental aromatase expression, which would result in altered estrogens biosynthesis in trophoblast cells. Future detailed studies of serotonin-estrogen interactions in placenta are crucial for an improved understanding of the endo-, para- and autocrine role of serotonin during pregnancy and fetal development.
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van Duursen MBM, Nijmeijer SM, Ruchirawat S, van den Berg M. Chemopreventive actions by enterolactone and 13 VIOXX-related lactone derivatives in H295R human adrenocortical carcinoma cells. Toxicol Lett 2009; 192:271-7. [PMID: 19913079 DOI: 10.1016/j.toxlet.2009.11.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2009] [Revised: 10/29/2009] [Accepted: 11/01/2009] [Indexed: 11/29/2022]
Abstract
Cytochrome P450c17 (CYP17) has been linked to various hormone-related diseases, including breast cancer, thus being a potential target for cancer chemoprevention. We studied the naturally occurring phytochemical enterolactone (ENL) and 13 VIOXX-related lactone derivatives (CRI-1 to CRI-13) for their effects on CYP17 activity and expression and on cell cycle status in the human H295R adrenocorticocarcinoma cell line. Of the tested compounds, only CRI-3, -7, -10 and -12 showed to be inhibitors of CYP17 activity in H295R cells. This inhibition was not due to decreased mRNA expression, but was apparently caused by post-translational modification of the CYP17 enzyme. The MAPK kinase (MEK) inhibitor PD98059 induced CYP17 activity by 24%, while co-incubation of the CRI-s with PD98059, reduced CYP17 activity even further than the reduction caused by the CRI-s alone. In addition, CRI-3, -7, -10 and -12 arrested the cell cycle in the G(2)/M phase. The structure-activity similarities of the CRI-s with known micro-tubule binding agents strongly suggest that cell cycle arrest is a result of interaction with tubulin. We conclude that the proposed cancer chemopreventive actions of ENL are not mediated through interaction with CYP17 or cell cycle status. Of the VIOXX-related lactone derivatives, CRI-7 could prove useful in the prevention of hormone-dependent cancers, such as breast cancer, since in vitro it shows low cytotoxicity, it is a potent inhibitor of CYP17 activity and strong inducer of cell cycle arrest.
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Affiliation(s)
- Majorie B M van Duursen
- Endocrine Toxicology, Institute for Risk Assessment Sciences (IRAS), Utrecht University, Utrecht, The Netherlands.
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