Dietary polyamine intake and colorectal cancer risk in postmenopausal women

Ashley J. Vargas, Erin L. Ashbeck, Betsy C. Wertheim, Robert B. Wallace, Marian L. Neuhouser, Cynthia Thomson, Patricia A. Thompson

Research output: Contribution to journalArticle

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Abstract

Background: Putrescine, spermidine, and spermine (i.e., polyamines) are small cationic amines synthesized by cells or acquired from the diet or gut bacteria. Polyamines are required for both normal and colorectal cancer (CRC) cell growth. Objective: We investigated the association between dietary polyamines and risk of CRC incidence and mortality. Design: The study was a prospective analysis in 87,602 postmenopausal women in the Women's Health Initiative Observational Study. Multivariate Cox regression was used to calculate HRs and 95% CIs. Results: Total dietary polyamine intake (mean ± SD: 289.2 ± 127.4 mmol/d) was not positively associated with CRC in fully adjusted models. Instead, intake ≥179.67 mmol/d was associated with reduced risk of CRC [HR (95% CI): 0.82 (0.68, 1.00), 0.81 (0.66, 0.99), 0.91 (0.74, 1.12), and 0.80 (0.62, 1.02) for quintiles 2-5, respectively, compared with quintile 1]. Reduced risk was not significant across all quintiles. Polyamines were not significantly associated with CRCspecific mortality in fully adjusted models. When stratified by risk factors for CRC, only body mass index (BMI) and fiber intake significantly modified the association between polyamine intake and CRC. In women with BMI (in kg/m2) ≤25 or fiber consumption above the median, polyamine intake was associated with significantly lower risk of CRC. Conclusions: No positive association between dietary polyamines and CRC or CRC-specific mortality risk in women was observed. Instead, a protective effect of dietary polyamines was suggested in women with some CRC risk-lowering behaviors in particular. These results are consistent with emerging evidence that exogenous polyamines may be beneficial in colon health and warrant additional study.

Original languageEnglish (US)
Pages (from-to)411-419
Number of pages9
JournalAmerican Journal of Clinical Nutrition
Volume102
Issue number2
DOIs
StatePublished - Aug 1 2015

Fingerprint

Polyamines
Colorectal Neoplasms
Mortality
Body Mass Index
Putrescine
Spermidine
Spermine
Women's Health
Amines
Observational Studies
Colon
Diet
Bacteria
Incidence
Health

Keywords

  • Colon cancer
  • Colorectal cancer
  • Diet
  • Dietary polyamines
  • Dietary putrescine
  • Polyamines
  • Putrescine
  • Women's Health Initiative

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

Cite this

Vargas, A. J., Ashbeck, E. L., Wertheim, B. C., Wallace, R. B., Neuhouser, M. L., Thomson, C., & Thompson, P. A. (2015). Dietary polyamine intake and colorectal cancer risk in postmenopausal women. American Journal of Clinical Nutrition, 102(2), 411-419. https://doi.org/10.3945/ajcn.114.103895

Dietary polyamine intake and colorectal cancer risk in postmenopausal women. / Vargas, Ashley J.; Ashbeck, Erin L.; Wertheim, Betsy C.; Wallace, Robert B.; Neuhouser, Marian L.; Thomson, Cynthia; Thompson, Patricia A.

In: American Journal of Clinical Nutrition, Vol. 102, No. 2, 01.08.2015, p. 411-419.

Research output: Contribution to journalArticle

Vargas, AJ, Ashbeck, EL, Wertheim, BC, Wallace, RB, Neuhouser, ML, Thomson, C & Thompson, PA 2015, 'Dietary polyamine intake and colorectal cancer risk in postmenopausal women', American Journal of Clinical Nutrition, vol. 102, no. 2, pp. 411-419. https://doi.org/10.3945/ajcn.114.103895
Vargas, Ashley J. ; Ashbeck, Erin L. ; Wertheim, Betsy C. ; Wallace, Robert B. ; Neuhouser, Marian L. ; Thomson, Cynthia ; Thompson, Patricia A. / Dietary polyamine intake and colorectal cancer risk in postmenopausal women. In: American Journal of Clinical Nutrition. 2015 ; Vol. 102, No. 2. pp. 411-419.
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abstract = "Background: Putrescine, spermidine, and spermine (i.e., polyamines) are small cationic amines synthesized by cells or acquired from the diet or gut bacteria. Polyamines are required for both normal and colorectal cancer (CRC) cell growth. Objective: We investigated the association between dietary polyamines and risk of CRC incidence and mortality. Design: The study was a prospective analysis in 87,602 postmenopausal women in the Women's Health Initiative Observational Study. Multivariate Cox regression was used to calculate HRs and 95{\%} CIs. Results: Total dietary polyamine intake (mean ± SD: 289.2 ± 127.4 mmol/d) was not positively associated with CRC in fully adjusted models. Instead, intake ≥179.67 mmol/d was associated with reduced risk of CRC [HR (95{\%} CI): 0.82 (0.68, 1.00), 0.81 (0.66, 0.99), 0.91 (0.74, 1.12), and 0.80 (0.62, 1.02) for quintiles 2-5, respectively, compared with quintile 1]. Reduced risk was not significant across all quintiles. Polyamines were not significantly associated with CRCspecific mortality in fully adjusted models. When stratified by risk factors for CRC, only body mass index (BMI) and fiber intake significantly modified the association between polyamine intake and CRC. In women with BMI (in kg/m2) ≤25 or fiber consumption above the median, polyamine intake was associated with significantly lower risk of CRC. Conclusions: No positive association between dietary polyamines and CRC or CRC-specific mortality risk in women was observed. Instead, a protective effect of dietary polyamines was suggested in women with some CRC risk-lowering behaviors in particular. These results are consistent with emerging evidence that exogenous polyamines may be beneficial in colon health and warrant additional study.",
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