Quantifying the Structural Requirements for Designing Newer FLT3 Inhibitors

Author(s): Rajiv Kumar Kar, Priyanka Suryadevara, Rajesh Roushan, Ganesh Chandra Sahoo, Manas Ranjan Dikhit, Pradeep Das.

Journal Name: Medicinal Chemistry

Volume 8 , Issue 5 , 2012

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RTKs - Receptor Tyrosine Kinases are the key regulators for cellular function and any abnormalities in the signaling of such leads to cancer. Mutations that result in the constitutive activation of this receptor result in Acute Myeloid Leukemia and Acute Lymphoblastic Leukemia. Pharmacophore mapping, a well-established method is used to build up 3D QSAR model from two classes of compounds viz. 2-acylaminothiophene-3- carboxamide derivatives and 4-amino-6- piperazin-1yl-pyrimidine-5-carbaldehyde oxime derivatives, which helps us to quantify the crucial structural requirements for designing newer potent inhibitors for FLT3. The derived model AADHR.939 (Pearson- R = 0.8912, q2 = 0.7471 and non-cross-validated r2 = 0.9154) shows that the ring feature is quite crucial for the FLT3 inhibitory activity. Moreover the model is showing 94% predicted activity, which makes an understanding that the model is capable of finding newer potent molecules from any database.

Keywords: 3D QSAR, Contours, Descriptors, Hypotheses, Pharmacophore, Regression, Tyrosine Kinases, chromosome, Hydrogen donor

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Article Details

Year: 2012
Page: [913 - 927]
Pages: 15
DOI: 10.2174/157340612802084153
Price: $58

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