Document Detail

Can consumption of raw vegetables decrease the count of sister chromatid exchange? Results from a cross-sectional study in Krakow, Poland.
MedLine Citation:
PMID:  24740589     Owner:  NLM     Status:  Publisher    
BACKGROUND: Sister chromatid exchange (SCE) is a widely used sensitive cytogenetic biomarker of exposure to genotoxic and cancerogenic agents. Results of human monitoring studies and cytogenetic damage have revealed that biological effects of genotoxic exposures are influenced by confounding factors related to life-style. Vegetable and fruit consumption may play a role, but available results are not consistent. The purpose of the study was to investigate the effect of consumption of raw and cooked vegetables and fruits on SCE frequency.
METHODS: A total of 62 participants included colorectal cancer (CRC) patients, hospital-based controls and healthy laboratory workers. SCE frequency was assessed in blood lymphocytes. Frequency of vegetable and fruit consumption was gathered by structured semi-quantitative food frequency questionnaire.
RESULTS: SCE frequency was lowest among hospital-based controls (4.4 ± 1.1), a bit higher in CRC patients (4.5 ± 1.0) and highest among laboratory workers (7.4 ± 1.2) (p < 0.05). Multivariable linear regression showed a significant inverse effect (b = -0.20) of raw vegetable consumption, but not so for intake of cooked vegetables and fruits.
CONCLUSIONS: The results of the study have shown the beneficial effect of consumption of raw vegetables on disrupted replication of DNA measured by SCE frequency, implying protection against genotoxic agents. Further effort is required to verify the role of cooked vegetables and fruits.
Aleksander Galas; Antonina Cebulska-Wasilewska
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-4-17
Journal Detail:
Title:  European journal of nutrition     Volume:  -     ISSN:  1436-6215     ISO Abbreviation:  Eur J Nutr     Publication Date:  2014 Apr 
Date Detail:
Created Date:  2014-4-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100888704     Medline TA:  Eur J Nutr     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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