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De Marchi J, Cé R, Bruschi L, Santos M, Paese K, Lavayen V, Klamt F, Pohlmann A, Guterres S. Triclosan and ⍺-bisabolol–loaded nanocapsule functionalized with ascorbic acid as a dry powder formulation against A549 lung cancer cells. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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De Marchi JGB, Cé R, Onzi G, Alves ACS, Santarém N, Cordeiro da Silva A, Pohlmann AR, Guterres SS, Ribeiro AJ. IgG functionalized polymeric nanoparticles for oral insulin administration. Int J Pharm 2022; 622:121829. [PMID: 35580686 DOI: 10.1016/j.ijpharm.2022.121829] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 04/22/2022] [Accepted: 05/10/2022] [Indexed: 11/17/2022]
Abstract
The oral route is the best way to administer a drug; however, fitting peptide drugs in this route is a major challenge. In insulin cases, less than 0.5% of the administered dose achieves systemic circulation. Oral delivery by nanoparticles can increase insulin permeability across the intestinal epithelium while maintaining its structure and activity until release in the gut. This system can be improved to increase permeability across intestinal cells through active delivery. This study aimed to improve a nanoparticle formulation by promoting functionalization of its surface with immunoglobulin G to increase its absorption by intestinal epithelium. The characterization of formulations showed an adequate size and a good entrapment efficiency. Functionalized nanoparticles led to a desirable increase in insulin release time. Differential scanning calorimetry, infrared spectroscopy and paper chromatography proved the interactions of nanoparticle components. With immunoglobulin G, the nanoparticle size was slightly increased, which did not show aggregate formation. The developed functionalized nanoparticle formulation proved to be adequate to carry insulin and potentially increase its internalization by epithelial gut cells, being a promising alternative to the existing formulations for orally administered low-absorption peptides.
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Affiliation(s)
- J G B De Marchi
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS 90610-000, Brazil; Universidade de Coimbra, Faculdade de Farmácia, Coimbra, Portugal
| | - R Cé
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS 90610-000, Brazil; Departamento de Química Orgânica, Instituto de Química, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS 90650-001, Brazil
| | - G Onzi
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS 90610-000, Brazil
| | - A C S Alves
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS 90610-000, Brazil; Departamento de Química Orgânica, Instituto de Química, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS 90650-001, Brazil
| | - N Santarém
- Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - A Cordeiro da Silva
- Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal; i(3)S, IBMC, Rua Alfredo Allen, Porto, Portugal
| | - A R Pohlmann
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS 90610-000, Brazil; Departamento de Química Orgânica, Instituto de Química, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS 90650-001, Brazil
| | - S S Guterres
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS 90610-000, Brazil
| | - A J Ribeiro
- Universidade de Coimbra, Faculdade de Farmácia, Coimbra, Portugal; i(3)S, IBMC, Rua Alfredo Allen, Porto, Portugal.
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