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Development and Advances of Drugs for Cancer Theranostics - PART-IV.

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Cancer, a highly heterogeneous disease at intra/inter patient levels, is one of the most serious threats to human health across the world [1, 2]. Notwithstanding the noteworthy advances in its… Click to show full abstract

Cancer, a highly heterogeneous disease at intra/inter patient levels, is one of the most serious threats to human health across the world [1, 2]. Notwithstanding the noteworthy advances in its treat-ment, the morbidity and mortality of cancer are projected to grow for a long period, and the global cancer burden is expected to be 28.4 million cases in 2040, a 47% rise from 2020 [3]. Accordingly, there is a constant need to explore novel anticancer agents. There are several strategies to discover novel anticancer candidates: (1) new lead hits or candidates from natural resources [4] whichexhibit various biological properties and are a rich source of com-pounds in drug discovery due to the structural and mechanistic diversity, and more than 60% anti-cancer agents can be traced to a natural product; (2) Molecular hybridization is one of the most prom-ising strategies for the discovery of novel anticancer drug candidates since hybrid molecules have the potential to bind multiple targets or to enhance the effect through acting with another bio-target or to counterbalance the side effects caused by the other part of the hybrid [5]; (3) Dimerization is a useful tool to develop novel anticancer drug candidates with enhanced biological activity, reduced side effects and improved pharmacokinetic profiles [6]; (4) Drug repurposing strategy is is an attractive strategy and has been approved, along with non-anticancer macrolide drugs for the treatment of cancer, for anticancer drug discovery since toxicity and pharmacokinetic profiles have already been estab-lished [7]. Heterocycles coumarin, β-lactone, macrolide and triazole are useful anticancer pharmacophores since their derivatives could exert the anticancer activity through diverse mechanisms, inclusive of inhibition of aromatase, carbonic anhydrase, ki-nase, P-glycoprotein, sulfatase, telomerase, vascular endothelial growth factor receptor 2 and tubulin [8-11]. In particular, nat-ural-derived coumarin, β-lactone and macrolide derivatives are important sources of new anticancer lead hits/candidates; mac-rolide repurposed drugs can circumvent high cost and long-time associated with traditional drug discovery strategies; couma-rin, β-lactone and macrolide hybrids as well as bis-triazole compounds have the potential to enhance the anticancer activity, overcome drug resistance, reduce the side effects and improve pharmacokinetic profiles.

Keywords: part; drug; novel anticancer; cancer; drug discovery

Journal Title: Current topics in medicinal chemistry
Year Published: 2021

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