Abstract
Lipophilicity is one of the major determining physicochemical descriptors for P-glycoprotein (P-gp) inhibitory activity. In order to consider lipophilicity as a space directed property, we apply the concept of hydrophobic moments on a set of propafenone-type inhibitors of P-glycoprotein and use them as descriptors in QSAR analyses. While the 0th moment is the sum of the atomic hydrophobicity coefficients, which is a measure for the total hydrophobicity of the molecule, the 1st moment (or hydrophobic dipole) is a measure for the asymmetry of the distribution of hydrophobicities and therefore is analogous to the electrostatic dipole. The use of these hydrophobic dipole moments as independent variables remarkably improved the predictive power of QSAR models obtained.
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References
RD Cramer DE Patterson JD Bunce (1988) J Am Chem Soc 110 5959 Occurrence Handle10.1021/ja00226a005 Occurrence Handle1:CAS:528:DyaL1cXltVCqsbs%3D
G Klebe U Abraham T Mietzner (1994) J Med Chem 37 4130 Occurrence Handle10.1021/jm00050a010 Occurrence Handle1:CAS:528:DyaK2cXmslWhu7Y%3D
BD Silverman (2003) Protein-Struct Funct Genet 53 880 Occurrence Handle10.1002/prot.10494 Occurrence Handle1:CAS:528:DC%2BD3sXhtVWgtrfO
I Pajeva MJ Wiese (1998) Med Chem 41 1815 Occurrence Handle10.1021/jm970786k Occurrence Handle1:CAS:528:DyaK1cXis12qu7k%3D
I Pajeva M Wiese (2001) Compt Rend Acad Bulg Sci 54 81 Occurrence Handle1:CAS:528:DC%2BD38XhsVOht7o%3D
D Eisenberg RM Weiss TC Terwilliger (1982) Nature 299 371 Occurrence Handle10.1038/299371a0 Occurrence Handle1:CAS:528:DyaL3sXkvV2iug%3D%3D
D Eisenberg RM Weiss TC Terwilliger W Wilcox (1982) Faraday Symp Chem S 17 109 Occurrence Handle10.1039/fs9821700109
D Eisenberg M Wesson M Yamashita (1989) Chem Scripta 29A 217 Occurrence Handle1:CAS:528:DyaK3cXltFOgsA%3D%3D
KM Biswas DR Devido JG Dorsey (2003) J Chromatogr A 1000 637 Occurrence Handle10.1016/S0021-9673(03)00182-1 Occurrence Handle1:CAS:528:DC%2BD3sXktFGgsb8%3D
B Zdrazil D Kaiser S Kopp P Chiba GF Ecker (2007) QSAR Combinat Chem 26 669 Occurrence Handle10.1002/qsar.200610149 Occurrence Handle1:CAS:528:DC%2BD2sXmtFKjtrw%3D
J Gasteiger C Hiller C Rudolph J Sadowski (1991) Abstr Pap Am Chem Soc 202 36
D Eisenberg M Yamashita W Wilcox J Talafous M Wesson (1987) Biophys J 51 a22 Occurrence Handle10.1016/S0006-3495(87)83344-1
JM Wang W Wang SH Huo M Lee PA Kollman (2001) J Phys Chem B 105 5055 Occurrence Handle10.1021/jp0102318 Occurrence Handle1:CAS:528:DC%2BD3MXjt1Snsro%3D
SA Wildman GM Crippen (1999) J Chem Inf Comput Sci 39 868 Occurrence Handle10.1021/ci990307l Occurrence Handle1:CAS:528:DyaK1MXlt1WjtbY%3D
Labute P, MOE LogP[Octanol/Water], User Manual
P Chiba GF Ecker D Schmid P Drach B Tell S Goldenberg V Gekeler (1996) Mol Pharmacol 49 1122 Occurrence Handle1:CAS:528:DyaK28Xjs12js7Y%3D
K Pleban C Hoffer S Kopp M Peer P Chiba GF Ecker (2004) Arch Pharm 337 328 Occurrence Handle10.1002/ardp.200300862 Occurrence Handle1:CAS:528:DC%2BD2cXlt1Ogtrg%3D
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Correspondence: Gerhard F. Ecker, Emerging Field Pharmacoinformatics, Department of Medicinal Chemistry, University of Vienna, Althanstrasse 14, 1090 Wien, Austria.
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König, G., Chiba, P. & Ecker, G. Hydrophobic moments as physicochemical descriptors in structure-activity relationship studies of P-glycoprotein inhibitors. Monatsh Chem 139, 401–405 (2008). https://doi.org/10.1007/s00706-007-0819-7
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DOI: https://doi.org/10.1007/s00706-007-0819-7