A protein-sulfosalicylic acid/boswellic acids @metal-organic framework nanocomposite as anticancer drug delivery system.
Özsoy M, Atiroğlu V, Guney Eskiler G, Atiroğlu A, Deveci Ozkan A, Özacar M.
Colloids and surfaces. B, Biointerfaces. 2021; 204(): 111788

Abstract

The metal-organic frameworks (MOF) have shown fascinating possibilities in biomedical applications, designing a multifunctional drug delivery system based on the MOF is important. In this study, 5-sulfosalicylic acid and boswellic acids (BAs) were loaded to the pH sensitive zeolitic imidazolate framework-8 (ZIF-8) nanocomposite containing bovine serum albumin (BSA) as the center. The ZIF layer acts as a capsule for the nontoxic storage of 5-sulfosalicylic acid and boswellic acids (BAs) under physiological conditions. The results of the characterization demonstrated the performance of the nanocarrier formation. The pH-sensitive drug release of 5-sulfosalicylic acid was detected due to the innate pH-dependent stability of ZIF-8. An effective pH-sensitive drug delivery system using a 5-sulfosalicylic acid/BSA@ZIF-8, and 5-sulfosalicylic acid/BSA/BAs@ZIF-8, in which the 5-sulfosalicylicacid is not free in physiological pH but it is released at acidic pH (5.0) has been fabricated. The best biocompatibility has been found in 5-sulfosalicylic acid/BSA/BAs@ZIF-8 comparing to the 5-sulfosalicylic acid/BSA, 5-sulfosalicylic acid /BSA/BAs, and 5-sulfosalicylic acid/BSA@ZIF-8. Additionally, 5-sulfosalicylic acid/BSA /BAs@ZIF-8 exhibited higher effectiveness than other compounds against the breast cancer cell line, MCF-7, with less toxicity. It is concluded from the results of the current study that the fabricated ZIF-8 based nanocarrier may potentially provide therapeutic effects on breast cancer cells. CI - Copyright (c) 2021 Elsevier B.V. All rights reserved.



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