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Anti-inflammatory aminoacetylenic isoindoline-1,3-dione derivatives modulate cytokines production from different spleen cell populations.

Abstract：

:We recently designed a series of N-[4-(t-amino-yl)-but-2-yn-1-yl] isoindoline-1,3-diones as anti-inflammatory compounds, called ZM compounds. These ZM compounds were categorized according to the nature of the cyclic amino groups into ZM2, ZM3, ZM4, and ZM5 and were shown to reduce carrageenan-induced inflammation, inhibit cyclooxygenase (1 and 2) and have less adverse effects than the common non-steroidal anti-inflammatory drugs. In the present study, we are examining the potential effects of ZM compounds in modulating cytokines production in vivo and in vitro from stimulated spleen cells, CD4+ CD25+ve T regulatory cells and CD4+CD25-ve T helper cells. Six hours following oral administration of 20mg/kg of ZM4 and ZM5 compounds reversed LPS-induced TGF-β suppression whereas ZM2, ZM3, ZM4, and ZM5 reversed LPS-induced TNF-α and IL-12 increase in mice spleen. In addition, increasing concentrations of ZM2, ZM4 and ZM5 increased significantly TGF-β1 production, whereas ZM3, ZM4 and ZM5 suppressed only TNF-α production in LPS and LPS+PMA stimulated spleen cells. Furthermore, only ZM5, enhanced significantly TGF-β1 production from LPS and LPS+PMA stimulated CD4+CD25+ve cells (p<0.001), whereas none of the ZM compounds modulated TNF-α from CD4+CD25-ve T helper cells. These results indicate that ZM5 (N-{4-(2-Azepan-1-yl)-but-2-yn-1-yl}isoindoline-1,3-dione) enhances TGF-β production from CD4+CD25+ve cells independent of protein kinase C activation and suggest that all ZM compounds suppress TNF-α from monocytes/macrophage cells. In conclusion, these ZM compounds have potential to be used use as anti-inflammatory agents and further studies to show the possibility of utilizing these basic aminoacetylenic isoindolines in autoimmune mediated inflammatory diseases are warranted.

journal_name

Int Immunopharmacol

journal_title

International immunopharmacology

authors

Matalka KZ,Alfarhoud F,Qinna NA,Mallah EM,Abu-Dayyih WA,Muhi-eldeen ZA

doi

10.1016/j.intimp.2012.07.016

subject

Has Abstract

pub_date

2012-11-01 00:00:00

pages

296-301

issue

eissn

1567-5769

issn

1878-1705

pii

S1567-5769(12)00225-1

journal_volume

pub_type

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Anti-inflammatory aminoacetylenic isoindoline-1,3-dione derivatives modulate cytokines production from different spleen cell populations.