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AACR 2002 follow-up

This article was originally published in The Tan Sheet

Executive Summary

Finding that plasma homocysteine concentrations are not associated with increased breast cancer risk "seems to contradict the recently suggested role of homocysteine as a potential tumor marker," Katharina Schroecksnadel, Leopold Franzen University, Australia, et al. state in July 16 Journal of the National Cancer Institute. Comments respond to study results by Shumin Zhang, Harvard School of Public Health, et al. that found high concentrations of vitamin B12 and plasma folate were associated with a lower risk of breast cancer (1"The Tan Sheet" April 15, 2002, p. 15). Zhang and colleagues point out that the study was not meant to consider the role of homocysteine as a tumor marker, but "data would suggest that it does not appear early in the disease process"...

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