Structure-based virtual screening, synthesis and biological evaluation of potential FAK-FAT domain inhibitors for treatment of metastatic cancer

Kandil, Sahar B. ORCID: https://orcid.org/0000-0003-1806-9623, Jones, Samuel R., Smith, Sonia, Hiscox, Stephen E. ORCID: https://orcid.org/0000-0003-0105-2702 and Westwell, Andrew D. ORCID: https://orcid.org/0000-0002-5166-9236 2020. Structure-based virtual screening, synthesis and biological evaluation of potential FAK-FAT domain inhibitors for treatment of metastatic cancer. Molecules 25 (15) , 3488. 10.3390/molecules25153488

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Abstract

Focal adhesion kinase (FAK) is a tyrosine kinase that is overexpressed and activated in several advanced-stage solid cancers. In cancer cells, FAK promotes the progression and metastasis of tumours. In this study, we used structure-based virtual screening to filter a library of more than 210K compounds against the focal adhesion targeting FAK-focal adhesion targeting (FAT) domain to identify 25 virtual hit compounds which were screened in the invasive breast cancer line (MDA-MB-231). Most notably, compound I showed low micromolar antiproliferative activity, as well as antimigratory activity. Moreover, examination in a model of triple negative breast cancer (TNBC), revealed that, despite not effecting FAK phosphorylation, compound I significantly impairs proliferation whilst impairing focal adhesion growth and turnover leading to reduced migration. Further optimisation and synthesis of analogues of the lead compound I using a four-step synthetic procedure was performed, and analogues were assessed for their antiproliferative activity against three breast cancer (MDA-MB-231, T47D, BT474) cell lines and one pancreatic cancer (MIAPaCa2) cell line. Compound 5f was identified as a promising lead compound with IC50 values in the range of 4.59–5.28 μM in MDA-MB-231, T47D, BT474, and MIAPaCa2. Molecular modelling and pharmacokinetic studies provided more insight into the therapeutic features of this new series.

Item Type:	Article
Date Type:	Published Online
Status:	Published
Schools:	Pharmacy
Publisher:	MDPI
ISSN:	1420-3049
Date of First Compliant Deposit:	20 August 2020
Date of Acceptance:	29 July 2020
Last Modified:	04 May 2023 23:42
URI:	https://orca.cardiff.ac.uk/id/eprint/134295

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