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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Emond, Jennifer A. Pierce, John P. Natarajan, Loki Gapuz, Laarni R. Nguyen, John Parker, Barbara A. Varki, Nissi M. Patterson, Ruth E. |
| Description | Author Affiliation: Emond JA ( Authors' Affiliations: Cancer Prevention and Control Program, Moores UCSD Cancer Center, Department of Family and Preventive Medicine); Pierce JP ( Authors' Affiliations: Cancer Prevention and Control Program, Moores UCSD Cancer Center, Department of Family and Preventive Medicine); Natarajan L ( Authors' Affiliations: Cancer Prevention and Control Program, Moores UCSD Cancer Center, Department of Family and Preventive Medicine); Gapuz LR ( Authors' Affiliations: Cancer Prevention and Control Program, Moores UCSD Cancer Center, Department of Family and Preventive Medicine); Nguyen J ( Authors' Affiliations: Cancer Prevention and Control Program, Moores UCSD Cancer Center, Department of Family and Preventive Medicine); Parker BA ( Authors' Affiliations: Cancer Prevention and Control Program, Moores UCSD Cancer Center, Department of Family and Preventive Medicine); Varki NM ( Department of Pathology, University of California, San Diego, La Jolla, California.); Patterson RE ( Authors' Affiliations: Cancer Prevention and Control Program, Moores UCSD Cancer Center, Department of Family and Preventive Medicine) |
| Abstract | BACKGROUND: The insulin-like growth factor-I (IGFI) receptor is a potential target for breast cancer treatment and may be influenced by dietary intake. METHODS: Nested, case-control study of 265 postmenopausal breast cancer survivors; primary breast cancer tissue was stained to determine IGFI receptor status. Change in carbohydrate intake from baseline to year 1 of study was estimated from 24-hour dietary recalls. Breast cancer recurrence cases (91) were matched to two controls (n = 174) on disease and study characteristics and counter matched on change in carbohydrate intake. Weighted conditional logistic regression models fit the risk of recurrence on IGFI receptor status and dietary change. RESULTS: Half of the tumors were IGFI receptor positive. Increased risk of recurrence was associated with IGFI receptor-positive status [HR 1.7; 95% confidence interval (CI), 1.2-2.5] and, separately, with a stable/increased intake of carbohydrates (HR 2.0; 95% CI, 1.3-5.0). There was a borderline significant interaction between those two variables (P = 0.11). Specifically, carbohydrate intake had no significant impact on risk of recurrence among women who were receptor negative, yet increased the risk of recurrence by more than 5-fold among women who were receptor positive (HR 5.5; 95% CI, 1.8-16.3). CONCLUSIONS: Among women whose tumor tissue is positive for the IGFI receptor, reducing carbohydrate intake after diagnosis could reduce the risk of breast cancer recurrence. These findings need replication in a larger sample. IMPACT: This is the first study to suggest that it may be possible to personalize dietary recommendations for breast cancer survivors based on molecular characteristics of their primary tumor tissue. . |
| File Format | HTM / HTML |
| ISSN | 10559965 |
| e-ISSN | 15387755 |
| DOI | 10.1158/1055-9965.EPI-13-1218 |
| Journal | Cancer Epidemiology Biomarkers & Prevention |
| Issue Number | 7 |
| Volume Number | 23 |
| Language | English |
| Publisher | American Association for Cancer Research |
| Publisher Date | 2014-07-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Discipline Cancer epidemiology Breast Neoplasms Pathology Dietary Carbohydrates Neoplasm Recurrence, Local Epidemiology Receptor, Igf Type 1 Metabolism Case-control Studies Immunohistochemistry Risk Factors Survivors Research Support, N.i.h., Extramural |
| Content Type | Text |
| Resource Type | Article |
| Subject | Epidemiology Oncology |
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