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Adelmidrol, a palmitoylethanolamide analogue, reduces chronic inflammation in a carrageenin-granulom

Discussion in 'Other Health News and Research' started by nanonug, Oct 30, 2012.

  1. nanonug

    nanonug Senior Member

    Virginia, USA
    J Cell Mol Med. 2009 Jun;13(6):1086-95. Epub 2008 Apr 18.
    Adelmidrol, a palmitoylethanolamide analogue, reduces chronic inflammation in a carrageenin-granuloma model in rats.

    De Filippis D, D'Amico A, Cinelli MP, Esposito G, Di Marzo V, Iuvone T.

    Università"Federico II", Napoles, Italy.

    Palmitoylethanolamide (PEA) and some of its analogues have shown great efficacy in the treatment of pain and inflammation. Adelmidrol - the International Nonproprietary Name (INN) of the di-amide derivative of azelaic acid - is one of these analogues. The anti-inflammatory and analgesic effects of PEA and adelmidrol are hypothesized to be mediated, at least in part, by mast cell down-modulation. Mast cell mediators released at early stage of the inflammatory process drive the inflammatory reaction to chronicity as it happens in X-carrageenin-induced granulomatous tissue formation. In the present study, the choice of testing adelmidrol depends upon the physicochemical properties of the compound, i.e. the amphipatic feature, that make it more easily soluble than PEA. In this study, we investigated the effect of adelmidrol on granuloma formation induced by lambda-carrageenin-soaked sponge implant in rats. Our results show that the local administration of the compound under study significantly decreases weight and neo-angiogenesis in granulomatous tissue. The anti-inflammatory effect was due to the modulation of mast cells degranulation, as shown by histological analysis and by the inhibition of the release of several pro-inflammatory and pro-angiogenic enzymes (e.g. iNOS, chymase and metalloproteinase MMP-9), and mediators (e.g. nitric oxide and TNF-alpha). The results indicate that adelmidrol, given locally, may represent a potential therapeutic tool in controlling chronic inflammation.
    PMID: 18429935

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