New Research Contradicts Reported Uptake of Dietary Plant microRNAs | GenomeWeb

Two independent research groups this month published data indicating that plant microRNAs are not taken up into animals when ingested in concentrations sufficient to regulate gene expression, contrary to a highly publicized report from last year.

While additional work in larger animal populations is required to bear out the latest findings, they suggest that some technical artifact or contamination issue may have been behind the original study, according to Kenneth Witwer, a Johns Hopkins School of Medicine researcher and lead author of one of the new papers.

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