Journal
NUTRITION AND CANCER-AN INTERNATIONAL JOURNAL
Volume 60, Issue -, Pages 43-50Publisher
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/01635580802381279
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To evaluate the anti-inflammatory function and underlying genes targeted by bilberry, gene expression profiling through DNA microarray was performed on bilberry extract-treated macrophages. Among 22,050 oligonucleotides, the expression levels of 998 genes were increased by >= twofold in lipopolysaccharide (LPS)-activated RAW264 cells, 358 gene signals of which were attenuated by bilberry extract (>= 1.5-fold). Expression levels of 2,086 genes were decreased by >= twofold in LPS-activated cells, of which 939 gene signals were enhanced by bilberry extract (>= 1.5-fold). Utilizing Panther group analysis, 308 genes affected by bilberry extract were classified into 43 categories relating to biological processes (97), molecular functions (186), and signaling pathways (26) with >= 1.5-fold change. The genes categorized as defense, inflammatory response, cytokines activities, and receptor activities were further identified, and some of them were confirmed by real-time polymerase chain reaction. The DNA microarray results provide a molecular basis for the anti-inflammatory effects of bilberry.
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