Preprint Article Version 1 This version is not peer-reviewed

Anticancer Activity of Selective and Non-Selective Beta Adrenoreceptor Blockers against Non-Small Cell Lung Cancer Cell Lines

Version 1 : Received: 23 July 2019 / Approved: 25 July 2019 / Online: 25 July 2019 (06:20:58 CEST)

How to cite: Sidorova, M.; Petrikaite, V. Anticancer Activity of Selective and Non-Selective Beta Adrenoreceptor Blockers against Non-Small Cell Lung Cancer Cell Lines. Preprints 2019, 2019070279 (doi: 10.20944/preprints201907.0279.v1). Sidorova, M.; Petrikaite, V. Anticancer Activity of Selective and Non-Selective Beta Adrenoreceptor Blockers against Non-Small Cell Lung Cancer Cell Lines. Preprints 2019, 2019070279 (doi: 10.20944/preprints201907.0279.v1).

Abstract

Beta adrenoblockers is a large class of drugs mainly used to manage abnormal heart rhythms. Over the last couples of decades, the anticancer effects of these compounds has been extensively studied. There is much evidence about their activity in non-small cell lung, pancreatic, breast, colorectal, prostate and ovarian cancer. However, the mechanism of beta blockers anticancer activity is still not known, and more detailed studies are needed. The aim of our study was to evaluate the anticancer activity of beta adrenoblockers in non-small cell lung cancer cell lines A549 and H1299. In order to find the relationship with their selectivity to beta adrenoreceptors, in our study we used selective (atenolol, betaxolol, esmolol, metoprolol) and non-selective (pindolol, propranolol and timolol) beta blockers. The effect on cell viability was evaluated by MTT assay and the activity on cell ability to form colonies was tested by clonogenic assay. The type of cell death was evaluated by cell double staining with Hoechst 33342 and Propidium iodide. The most active adrenoblockers against both tested cancer cell lines were propranolol and betaxolol. They completely inhibited lung cancer cell colony formation at 90% of EC50 (half maximal effective concentration) value. Most tested compounds induced cell death through apoptosis and necrosis. In A549 cell lines apoptosis was mainly induced while in H1299 cell line compounds induced both apoptosis and necrosis. There was no correlation established between beta adrenoblocker anticancer activity and their selectivity to beta adrenoreceptors.

Subject Areas

beta adrenoblocker; anticancer; non-small cell lung cancer; clonogenic; apoptosis; necrosis

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