Abstract:
:Monocytes produce high levels of inflammatory cytokines including IL-6 and TNF-α that are involved in autoimmunity, inflammatory diseases, cardiovascular disease and obesity. Therapies targeting IL-6 and TNF-α have been utilized in treating chronic inflammatory diseases. Oligonol is a lychee fruit-derived low-molecular form of polyphenol mixture, typically catechin-type monomers and oligomers of proanthocyanidins, which are produced by an oligomerization process. Although previous studies reported anti-inflammatory properties of Oligonol, it is unknown whether and how Oligonol suppresses IL-6 and TNF-α production in human monocytes. The results of our study demonstrate that Oligonol (25μg/ml) decreases the production of IL-6 and TNF-α from human primary monocytes as measured by flow cytometry and ELISA. Such an anti-cytokine effect was likely mediated by the suppression of NF-κB activation without inducing cell death. Our findings raise the possibility of exploring the benefits of Oligonol in controlling inflammatory conditions, especially those associated with monocytes, in humans.
journal_name
Hum Immunoljournal_title
Human immunologyauthors
Lee N,Shin MS,Kang Y,Park K,Maeda T,Nishioka H,Fujii H,Kang Idoi
10.1016/j.humimm.2016.04.011subject
Has Abstractpub_date
2016-06-01 00:00:00pages
512-5issue
6eissn
0198-8859issn
1879-1166pii
S0198-8859(16)30052-0journal_volume
77pub_type
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