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Serum Folate and Homocysteine Levels Are Associated With Colon Tumorigenesis in End-Stage Renal Disease Patients.
MedLine Citation:
PMID:  21264789     Owner:  NLM     Status:  Publisher    
The aim of this study was to evaluate the effect of folate and homocysteine on colon tumorigenesis by performing colonoscopy and examining serum folate and homocysteine levels in end-stage renal disease (ESRD) patients. We performed colonoscopy in 72 ESRD patients who were undergoing hemodialysis and also measured their serum folate and homocysteine levels. Serum folate and homocysteine concentrations of the 72 ESRD patients were 6.0 ± 3.9 μg/l and 37.3 ± 25.5 μmol/l, respectively. Colorectal neoplasia was detected in 47 (65%) of the patients. Compared to a control group, ESRD patients had significantly more and larger neoplasia (P = 0.002 and 0.001, respectively). Multivariate analysis revealed that ESRD patients with lower levels of serum homocysteine had significantly more and larger neoplasia than those with higher levels (P = 0.02 and 0.03, respectively). In addition, patients with a shorter duration of hemodialysis were likely to have larger neoplasia. ESRD patients had higher than normal serum homocysteine levels. Interestingly, patients with lower homocysteine levels were likely to carry more and larger colorectal neoplasia. These results suggest that suppression of folate metabolism and an elevated serum homocysteine concentration are inversely associated with colon tumorigenesis in ESRD patients.
Eisuke Kaji; Jun Kato; Shunsuke Saito; Keita Harada; Kenji Kuwaki; Masashi Tatsukawa; Tamiya Morikawa; Sakiko Hiraoka; Hiroshi Matsushima; Kazuhide Yamamoto
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-1-24
Journal Detail:
Title:  Nutrition and cancer     Volume:  -     ISSN:  1532-7914     ISO Abbreviation:  -     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-1-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7905040     Medline TA:  Nutr Cancer     Country:  -    
Other Details:
Languages:  ENG     Pagination:  1     Citation Subset:  -    
Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan.
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