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Fleet JC, Kovalenko PL, Li Y, Smolinski J, Spees C, Yu JG, Thomas-Ahner JM, Cui M, Neme A, Carlberg C, Clinton SK. Vitamin D Signaling Suppresses Early Prostate Carcinogenesis in TgAPT 121 Mice. Cancer Prev Res (Phila) 2019; 12:343-356. [PMID: 31028080 DOI: 10.1158/1940-6207.capr-18-0401] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 03/03/2019] [Accepted: 04/22/2019] [Indexed: 12/14/2022]
Abstract
We tested whether lifelong modification of vitamin D signaling can alter the progression of early prostate carcinogenesis in studies using mice that develop high-grade prostatic intraepithelial neoplasia that is similar to humans. Two tissue-limited models showed that prostate vitamin D receptor (VDR) loss increased prostate carcinogenesis. In another study, we fed diets with three vitamin D3 levels (inadequate = 25 IU/kg diet, adequate for bone health = 150 IU/kg, or high = 1,000 IU/kg) and two calcium levels (adequate for bone health = 0.5% and high = 1.5%). Dietary vitamin D caused a dose-dependent increase in serum 25-hydroxyvitamin D levels and a reduction in the percentage of mice with adenocarcinoma but did not improve bone mass. In contrast, high calcium suppressed serum 1,25-dihydroxyvitamin D levels and improved bone mass but increased the incidence of adenocarcinoma. Analysis of the VDR cistrome in RWPE1 prostate epithelial cells revealed vitamin D-mediated regulation of multiple cancer-relevant pathways. Our data support the hypothesis that the loss of vitamin D signaling accelerates the early stages of prostate carcinogenesis, and our results suggest that different dietary requirements may be needed to support prostate health or maximize bone mass. SIGNIFICANCE: This work shows that disrupting vitamin D signaling through diet or genetic deletion increases early prostate carcinogenesis through multiple pathways. Higher-diet vitamin D levels are needed for cancer than bone.
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Affiliation(s)
- James C Fleet
- Department of Nutrition Science, Purdue University, West Lafayette, Indiana. .,Purdue University Center for Cancer Research, Purdue University, West Lafayette, Indiana
| | - Pavlo L Kovalenko
- Department of Nutrition Science, Purdue University, West Lafayette, Indiana
| | - Yan Li
- Department of Nutrition Science, Purdue University, West Lafayette, Indiana
| | - Justin Smolinski
- Division of Medical Oncology, College of Medicine, Columbus, Ohio
| | - Colleen Spees
- Division of Medical Oncology, College of Medicine, Columbus, Ohio
| | - Jun-Ge Yu
- Division of Medical Oncology, College of Medicine, Columbus, Ohio
| | | | - Min Cui
- Department of Nutrition Science, Purdue University, West Lafayette, Indiana
| | - Antonio Neme
- Instituto de Investigaciones en Matemáticas Aplicadas y en Sistemas-Mérida, Universidad Nacional Autónoma de México, Yucatán, México
| | - Carsten Carlberg
- School of Medicine, Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
| | - Steven K Clinton
- Division of Medical Oncology, College of Medicine, Columbus, Ohio.,The Ohio State University Comprehensive Cancer Center, Columbus, Ohio
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Schoch RD, Smolinski J, McCreedy R, Clinton SK, Fleet JC. Varying dietary calcium (Ca), but not vitamin D (VD), influences bone and calcium metabolism in mature mice. FASEB J 2010. [DOI: 10.1096/fasebj.24.1_supplement.946.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ryan D. Schoch
- Department of Foods and NutritionPurdue UniversityWest LafayetteIN
| | - Justin Smolinski
- Division of Hematology and OncologyThe Ohio State UniversityColumbusOH
| | - Rebecca McCreedy
- Department of Foods and NutritionPurdue UniversityWest LafayetteIN
| | - Steven K. Clinton
- Division of Hematology and OncologyThe Ohio State UniversityColumbusOH
| | - James C. Fleet
- Department of Foods and NutritionPurdue UniversityWest LafayetteIN
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Smolinski J, Hannam JC, Leach AL. An electrolytic method for the direct production of magnesium lithium alloys from lithium chloride. ACTA ACUST UNITED AC 2007. [DOI: 10.1002/jctb.5010060411] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Smolinski J, Hannam JC, Leach AL. Experiments to establish conditions for the continuous reduction of titanium tetrachloride to the metal by sodium. ACTA ACUST UNITED AC 2007. [DOI: 10.1002/jctb.5010080606] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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