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Clark AS, DeMichele A. Vitamin D and breast cancer: evidence for biological and clinical significance. BREAST CANCER MANAGEMENT 2012. [DOI: 10.2217/bmt.12.28] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
SUMMARY Both vitamin D deficiency and breast cancer are common. Laboratory evidence strongly suggests a biological role for vitamin D in normal breast cellular maintenance. Clinically, however, definitive associations between vitamin D and breast cancer risk and outcome have been challenging to decipher. A myriad of epidemiological studies have attempted to connect vitamin D with breast cancer risk, stage at diagnosis and outcome, but results vary. Here, we will closely examine the biologic evidence that supports an association between vitamin D and breast cancer and summarize the epidemiologic and clinical studies in this area. We will discuss ongoing trials and additional research questions that should be addressed in future studies.
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Affiliation(s)
- Amy S Clark
- Abramson Cancer Center, University of Pennsylvania, 3400 Civic Center Blvd, Philadelphia, PA 19104, USA
- Department of Medicine, Division of Hematology/Oncology, University of Pennsylvania, 3400 Civic Center Blvd, Philadelphia, PA 19104, USA
- Perelman School of Medicine, University of Pennsylvania, 3400 Civic Center Blvd, Philadelphia, PA 19104, USA
| | - Angela DeMichele
- Center for Clinical Epidemiology & Biostatistics, University of Pennsylvania, 3400 Civic Center Blvd, Philadelphia, PA 19104, USA
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