Immunomodulatory effects of proanthocyanidin A-1 derived in vitro from Rhododendron spiciferum.


The objective of this study was to evaluate the immunomodulatory effects of proanthocyanidin A-1 (PAA-1) from leaves of Rhododendron spiciferum (Ericaceae). In vitro tests showed that PAA-1 stimulated cell proliferation of splenocytes and peritoneal macrophages significantly enhanced the cytotoxicity of natural killer (NK) cells and increased CD4(+) and CD8… (More)
DOI: 10.1016/j.fitote.2009.08.005


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