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Newly discovered anti-inflammatory properties of the benzamides and nicotinamides.

Abstract
Our laboratory has concentrated on the possible regulation the benzamides and nicotinamides may have on the processes of DNA repair and apoptosis. Recent reports have suggested that both apoptosis and inflammation are regulated by the transcription factor NF-kappaB. We have initiated studies regarding the hypothesis that the benzamides and nicotinamides could inhibit the production of tumor necrosis factor alpha (TNFalpha) and the inflammatory response as well as induce apoptosis via inhibition of NF-kappaB. Our data have shown that nicotinamide and two N-substituted benzamides, metoclopramide (MCA) and 3-chloroprocainamide (3-CPA), gave dose dependent inhibition of lipopolysacharide induced TNFalpha in the mouse within the dose range of 10-500 mg/kg. Moreover, lung edema was prevented in the rat by 3 x 50 mg/kg doses of 3-CPA or MCA, and 100-200 microM doses of MCA could also inhibit NF-kappaB in Hela cells. Taken together these data strongly support the notion that benzamides and nicotinamides have potent anti-inflammatory and antitumor properties, because their primary mechanism of action is regulated by inhibition at the gene transcription level of NF-kappaB, which in turn inhibits TNFalpha and induces apoptosis.
AuthorsR W Pero, B Axelsson, D Siemann, D Chaplin, G Dougherty
JournalMolecular and cellular biochemistry (Mol Cell Biochem) Vol. 193 Issue 1-2 Pg. 119-25 (Mar 1999) ISSN: 0300-8177 [Print] Netherlands
PMID10331648 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't, Research Support, U.S. Gov't, P.H.S.)
Chemical References
  • Anti-Inflammatory Agents
  • Benzamides
  • Cytokines
  • NF-kappa B
  • Tumor Necrosis Factor-alpha
  • Niacinamide
Topics
  • Animals
  • Anti-Inflammatory Agents (chemistry, pharmacology)
  • Benzamides (chemistry, pharmacology)
  • Cytokines (antagonists & inhibitors)
  • Disease Models, Animal
  • Dose-Response Relationship, Drug
  • Dose-Response Relationship, Radiation
  • Edema (drug therapy)
  • HeLa Cells
  • Humans
  • Mice
  • Mice, Inbred CBA
  • Models, Biological
  • NF-kappa B (antagonists & inhibitors)
  • Niacinamide (analogs & derivatives, chemistry, pharmacology)
  • Rats
  • Tumor Necrosis Factor-alpha (antagonists & inhibitors)

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