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  • Title: A new development of matrix metalloproteinase inhibitors: twin hydroxamic acids as potent inhibitors of MMPs.
    Author: Rossello A, Nuti E, Catalani MP, Carelli P, Orlandini E, Rapposelli S, Tuccinardi T, Atkinson SJ, Murphy G, Balsamo A.
    Journal: Bioorg Med Chem Lett; 2005 May 02; 15(9):2311-4. PubMed ID: 15837315.
    Abstract:
    Starting from the observation that the CbzNH(CH2)2 side chain of the potent MMP-2/MMP-14 inhibitor, benzyl-(3R)-4-(hydroxyamino)-3-[isopropoxy(1,1'-biphenyl-4-yl-sulfonyl)amino]-4-oxobutylcarbamate, (R)-1 lies in a hydrophobic region (S1) exposed to the solvent of the protease active site, we hypothesized that an aminoethylcarboxamido chain structurally related to that of (R)-1 might be an useful tool to bind another linker stretching out from the protein. This would be able to interact either with a enzyme region adjacent to the active site, or with other molecules of matrix metalloproteinases (MMPs), or other proteins of the extracellular matrix (ECM) that may be involved in the enzyme activation. On these basis we describe new dimeric compounds of type 2, twin hydroxamic acids, obtained by the joint of two drug entities of (R)-1 linked in P1 by extendable semirigid linkers. Type 2 compounds are potentially able to undergo more complex inhibitor-enzyme interactions than those occurring with monomeric compounds of type 1, thus influencing positively the potency, selectivity and/or cytotoxicity of the new compounds.
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