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Prezotti FG, Boni FI, Ferreira NN, Silva DS, Almeida A, Vasconcelos T, Sarmento B, Gremião MPD, Cury BSF. Oral nanoparticles based on gellan gum/pectin for colon-targeted delivery of resveratrol. Drug Dev Ind Pharm 2020; 46:236-245. [PMID: 31928345 DOI: 10.1080/03639045.2020.1716374] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Nanoparticles based on gellan gum/pectin blends were designed for colon-targeted release of resveratrol (RES). Their impact on drug release rates and permeability were evaluated using Caco-2 cell model and mucus secreting triple co-culture model. Polymeric nanoparticles (PNP) were successfully prepared by nebulization/ionotropic gelation, achieving high drug loading (>80%). PNP were spherical with a low positive charge density (+5mV) and exhibited diameters of around 330 nm. Developed PNP were able to promote effective modulation of drug release rates, so that only 3% of RES was released in acidic media over 2 h, and, in pH 6.8, the drug was released in a sustained manner, reaching 85% in 30 h. The permeability of RES-loaded PNP in the Caco-2 model was 0.15%, while in the triple co-culture model, in the presence of mucus, it reached 5.5%. The everted gut sac experiment corroborated the low permeability of RES-loaded PNP in the presence or absence of mucus and highlighted their high ability to interact with the intestinal tissue. Results indicate that the novel PNP developed in this work are safe and promising carriers for controlled delivery of RES at the colon.
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Affiliation(s)
| | - Fernanda Isadora Boni
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil
| | | | - Daniella Souza Silva
- Chemistry Institute of São Carlos, São Paulo University (USP), São Carlos, SP, Brazil
| | - Andreia Almeida
- I3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.,INEB-Instituto de Engenharia Biomédica, Universidade do Porto, Porto, Portugal.,CESPU-Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde, Gandra, Portugal
| | - Teófilo Vasconcelos
- I3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.,INEB-Instituto de Engenharia Biomédica, Universidade do Porto, Porto, Portugal
| | - Bruno Sarmento
- I3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.,INEB-Instituto de Engenharia Biomédica, Universidade do Porto, Porto, Portugal.,CESPU-Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde, Gandra, Portugal
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Prezotti FG, Boni FI, Ferreira NN, Silva DDSE, Campana-Filho SP, Almeida A, Vasconcelos T, Gremião MPD, Cury BSF, Sarmento B. Gellan Gum/Pectin Beads Are Safe and Efficient for the Targeted Colonic Delivery of Resveratrol. Polymers (Basel) 2018; 10:polym10010050. [PMID: 30966087 PMCID: PMC6414934 DOI: 10.3390/polym10010050] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 12/22/2017] [Accepted: 01/03/2018] [Indexed: 01/01/2023] Open
Abstract
This work addresses the establishment and characterization of gellan gum:pectin (GG:P) biodegradable mucoadhesive beads intended for the colon-targeted delivery of resveratrol (RES). The impact of the polymer carrier system on the cytotoxicity and permeability of RES was evaluated. Beads of circular shape (circularity index of 0.81) with an average diameter of 914 μm, Span index of 0.29, and RES entrapment efficiency of 76% were developed. In vitro drug release demonstrated that beads were able to reduce release rates in gastric media and control release for up to 48 h at an intestinal pH of 6.8. Weibull’s model correlated better with release data and b parameter (0.79) indicated that the release process was driven by a combination of Fickian diffusion and Case II transport, indicating that both diffusion and swelling/polymer chains relaxation are processes that contribute equally to control drug release rates. Beads and isolated polymers were observed to be safe for Caco-2 and HT29-MTX intestinal cell lines. RES encapsulation into the beads allowed for an expressive reduction of drug permeation in an in vitro triple intestinal model. This feature, associated with low RES release rates in acidic media, can favor targeted drug delivery from the beads in the colon, a promising behavior to improve the local activity of RES.
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Affiliation(s)
- Fabíola Garavello Prezotti
- Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista (UNESP), Araraquara, Rodovia Araraquara⁻Jaú, Km 1, Araraquara 14801-902, Brazil.
| | - Fernanda Isadora Boni
- Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista (UNESP), Araraquara, Rodovia Araraquara⁻Jaú, Km 1, Araraquara 14801-902, Brazil.
| | - Natália Noronha Ferreira
- Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista (UNESP), Araraquara, Rodovia Araraquara⁻Jaú, Km 1, Araraquara 14801-902, Brazil.
| | - Daniella De Souza E Silva
- Instituto de Química de São Carlos, Universidade de São Paulo (USP), Avenida Trabalhador São-Carlense, 400, São Carlos 13560-970, Brazil.
| | - Sérgio Paulo Campana-Filho
- Instituto de Química de São Carlos, Universidade de São Paulo (USP), Avenida Trabalhador São-Carlense, 400, São Carlos 13560-970, Brazil.
| | - Andreia Almeida
- I3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal.
- INEB-Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal.
- CESPU-Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde, Rua Central de Gandra 1317, 4585-116 Gandra, Portugal.
| | - Teófilo Vasconcelos
- I3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal.
- INEB-Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal.
| | - Maria Palmira Daflon Gremião
- Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista (UNESP), Araraquara, Rodovia Araraquara⁻Jaú, Km 1, Araraquara 14801-902, Brazil.
| | - Beatriz Stringhetti Ferreira Cury
- Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista (UNESP), Araraquara, Rodovia Araraquara⁻Jaú, Km 1, Araraquara 14801-902, Brazil.
| | - Bruno Sarmento
- I3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal.
- INEB-Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal.
- CESPU-Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde, Rua Central de Gandra 1317, 4585-116 Gandra, Portugal.
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK.
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Kuhn DA, Hartmann R, Fytianos K, Petri-Fink A, Rothen-Rutishauser B, Parak WJ. Cellular uptake and cell-to-cell transfer of polyelectrolyte microcapsules within a triple co-culture system representing parts of the respiratory tract. Sci Technol Adv Mater 2015; 16:034608. [PMID: 27877795 PMCID: PMC5099832 DOI: 10.1088/1468-6996/16/3/034608] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2015] [Revised: 05/14/2015] [Accepted: 05/14/2015] [Indexed: 05/25/2023]
Abstract
Polyelectrolyte multilayer microcapsules around 3.4 micrometers in diameter were added to epithelial cells, monocyte-derived macrophages, and dendritic cells in vitro and their uptake kinetics were quantified. All three cell types were combined in a triple co-culture model, mimicking the human epithelial alveolar barrier. Hereby, macrophages were separated in a three-dimensional model from dendritic cells by a monolayer of epithelial cells. While passing of small nanoparticles has been demonstrated from macrophages to dendritic cells across the epithelial barrier in previous studies, for the micrometer-sized capsules, this process could not be observed in a significant amount. Thus, this barrier is a limiting factor for cell-to-cell transfer of micrometer-sized particles.
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Affiliation(s)
- Dagmar A Kuhn
- Adolphe Merkle Institute, Université de Fribourg, Fribourg, Switzerland
| | - Raimo Hartmann
- Department of Physics, Philipps Universität Marburg, Marburg, Germany
| | | | - Alke Petri-Fink
- Adolphe Merkle Institute, Université de Fribourg, Fribourg, Switzerland
| | | | - Wolfgang J Parak
- Department of Physics, Philipps Universität Marburg, Marburg, Germany
- CIC Biomagune, San Sebastian, Spain
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