1
|
Nascimento CS, Alves ÉAR, de Melo CP, Corrêa-Oliveira R, Calzavara-Silva CE. Immunotherapy for cancer: effects of iron oxide nanoparticles on polarization of tumor-associated macrophages. Nanomedicine (Lond) 2021; 16:2633-2650. [PMID: 34854309 DOI: 10.2217/nnm-2021-0255] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Cancer immunotherapy is the most promising trend in oncology, focusing on helping or activating the patient's immune system to identify and fight against cancer. In the last decade, interest in metabolic reprogramming of tumor-associated macrophages from M2-like phenotype (promoting tumor progression) to M1-like phenotypes (suppressing tumor growth) as a therapeutic strategy against cancer has increased considerably. Iron metabolism has been standing out as a target for the reprogramming of tumor-associated macrophages to M1-like phenotype with therapeutic purposes against cancer. Due to the importance of the iron levels in macrophage polarization states, iron oxide nanoparticles can be used to change the activation state of tumor-associated macrophages for a tumor suppressor phenotype and as an anti-tumor strategy.
Collapse
Affiliation(s)
- Camila Sales Nascimento
- Grupo de Pesquisa em Imunologia Celular e Molecular, Instituto René Rachou - Fiocruz Minas, Av. Augusto de Lima, 1715 - Barro Preto - Belo Horizonte-MG , 30190-002, Brazil
| | - Érica Alessandra Rocha Alves
- Grupo de Pesquisa em Imunologia Celular e Molecular, Instituto René Rachou - Fiocruz Minas, Av. Augusto de Lima, 1715 - Barro Preto - Belo Horizonte-MG , 30190-002, Brazil
| | - Celso Pinto de Melo
- Grupo de Polímeros Não-Convencionais, Departamento de Física, Universidade Federal de Pernambuco, Av. Prof. Moraes Rego, 1235 - Cidade Universitária, Recife-PE , 50670-901, Brazil
| | - Rodrigo Corrêa-Oliveira
- Grupo de Pesquisa em Imunologia Celular e Molecular, Instituto René Rachou - Fiocruz Minas, Av. Augusto de Lima, 1715 - Barro Preto - Belo Horizonte-MG , 30190-002, Brazil
| | - Carlos Eduardo Calzavara-Silva
- Grupo de Pesquisa em Imunologia Celular e Molecular, Instituto René Rachou - Fiocruz Minas, Av. Augusto de Lima, 1715 - Barro Preto - Belo Horizonte-MG , 30190-002, Brazil
| |
Collapse
|
2
|
Araújo Lima EMD, Holanda VN, Ratkovski GP, Silva WVD, Nascimento PHD, Figueiredo RCBQD, de Melo CP. A new biocompatible silver/polypyrrole composite with in vitro antitumor activity. Mater Sci Eng C Mater Biol Appl 2021; 128:112314. [PMID: 34474865 DOI: 10.1016/j.msec.2021.112314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 06/30/2021] [Accepted: 07/07/2021] [Indexed: 12/01/2022]
Abstract
We used an in situ chemical oxidation method to prepare a new composite of silver nanoparticles (AgNPs) with polypyrrole (PPy), whose properties were optimized through a 23-factorial design of the synthesis conditions. The successful formation of the AgNPs/PPy composite was confirmed by UV-Visible and FTIR spectroscopies. Transmission electron microscopy revealed the presence of AgNPs smaller than 100 nm, dispersed into the PPy matrix. This hybrid composite exhibits a blue fluorescence emission after excitation in the ultraviolet region. In MTT assays, the AgNPs/PPy composite exhibited low cytotoxicity toward non-tumoral cell lines (fibroblast, Vero, and macrophages) and selectively inhibited the viability of HeLa cells. The AgNPs/PPy composite induces ultrastructural changes in HeLa cells that are consistent with the noticeable selectivity exhibited toward them when compared to its action against non-tumoral cell lineages. Also, the AgNPs/PPy exhibited a hemolytic activity below 14% for all blood groups tested, at concentrations up to 125 μg/mL. These results suggest that the AgNPs/PPy composite has a promising potential for use as an antitumoral agent.
Collapse
Affiliation(s)
- Elton Marlon de Araújo Lima
- Pós-graduação em Ciência de Materiais, Centro de Ciências Exatas e da Natureza, Universidade Federal de Pernambuco, 50670-901 Recife, Pernambuco, Brazil; Laboratório de Biologia Celular de Patógenos, Instituto Aggeu Magalhães, Departamento de Microbiologia, Avenida Professor Moraes Rego, 1235, 50670-901 Recife, Pernambuco, Brazil; Departamento de Física, Centro de Ciências Exatas e da Natureza, Universidade Federal de Pernambuco, 50670-901 Recife, Pernambuco, Brazil
| | - Vanderlan Nogueira Holanda
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Avenida Professor Moraes Rego, 1235, 50670-901 Recife, PE, Brazil; Laboratório de Biologia Celular de Patógenos, Instituto Aggeu Magalhães, Departamento de Microbiologia, Avenida Professor Moraes Rego, 1235, 50670-901 Recife, Pernambuco, Brazil
| | - Gabriela Plautz Ratkovski
- Pós-graduação em Física, Centro de Ciências Exatas e da Natureza, Universidade Federal de Pernambuco, 50670-901 Recife, Pernambuco, Brazil; Departamento de Física, Centro de Ciências Exatas e da Natureza, Universidade Federal de Pernambuco, 50670-901 Recife, Pernambuco, Brazil
| | - Welson Vicente da Silva
- Laboratório de Biologia Celular de Patógenos, Instituto Aggeu Magalhães, Departamento de Microbiologia, Avenida Professor Moraes Rego, 1235, 50670-901 Recife, Pernambuco, Brazil
| | - Pedro Henrique do Nascimento
- Laboratório de Biologia Celular de Patógenos, Instituto Aggeu Magalhães, Departamento de Microbiologia, Avenida Professor Moraes Rego, 1235, 50670-901 Recife, Pernambuco, Brazil
| | - Regina Celia Bressan Queiroz de Figueiredo
- Laboratório de Biologia Celular de Patógenos, Instituto Aggeu Magalhães, Departamento de Microbiologia, Avenida Professor Moraes Rego, 1235, 50670-901 Recife, Pernambuco, Brazil
| | - Celso Pinto de Melo
- Pós-graduação em Ciência de Materiais, Centro de Ciências Exatas e da Natureza, Universidade Federal de Pernambuco, 50670-901 Recife, Pernambuco, Brazil; Departamento de Física, Centro de Ciências Exatas e da Natureza, Universidade Federal de Pernambuco, 50670-901 Recife, Pernambuco, Brazil.
| |
Collapse
|
3
|
Avelino KYPS, Oliveira LS, Lucena-Silva N, de Melo CP, Andrade CAS, Oliveira MDL. Metal-polymer hybrid nanomaterial for impedimetric detection of human papillomavirus in cervical specimens. J Pharm Biomed Anal 2020; 185:113249. [PMID: 32193043 DOI: 10.1016/j.jpba.2020.113249] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 02/28/2020] [Accepted: 03/08/2020] [Indexed: 12/23/2022]
Abstract
The human papillomavirus (HPV) is one of the main sexually transmitted pathogens that infect the anogenital epithelium and mucous membranes. HPV genotypes can be classified as high and low oncogenic risk, with infection by the former resulting in cervical cancer in approximately 100 % of the cases. In this work, we developed an ultrasensitive electrochemical biosensor for the detection and identification of different HPV genotypes. A nanostructured platform based on a matrix of polyaniline (PANI) containing gold nanoparticles (AuNps) was designed for the chemical immobilization of a DNA probe capable of recognizing different HPV types. Cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and atomic force microscopy (AFM) were used to characterize the genosensor. The impedimetric responses indicate that the proposed sensor was able to detect HPV (types 6, 11, 16, 31, 33, 45, and 58) in cervical specimens (cDNA samples). We obtained different profiles of electrochemical responses for the high and low-risk HPV genotypes. By adopting a three-dimensional quantitative analysis of impedance response variables, it was possible to identify the existence of a pattern of association for samples of high oncogenic risk, which may lead to the differential diagnosis of HPV. The biosensor demonstrated an excellent analytical performance for the detection of HPV genotypes with high sensibility and selectivity. The genosensor exhibited a linear range of response in the 1 pg μL-1 to 100 pg μL-1 range. Besides, a limit of detection (LOD) of 2.74 pg μL-1 and 7.43 pg μL-1 was obtained for HPV11 and HPV16, respectively, with regression coefficients of 99.88 % and 99.47 %. Thus, the proposed sensor may serve as a good prognostic indicator for patients infected with papillomavirus.
Collapse
Affiliation(s)
- Karen Y P S Avelino
- Programa de Pós-Graduação em Inovação Terapêutica, Universidade Federal de Pernambuco, 50670-901 Recife, PE, Brazil; Laboratório de Biodispositivos Nanoestruturados, Departamento de Bioquímica, Universidade Federal de Pernambuco, 50670-901 Recife, PE, Brazil
| | - Léony S Oliveira
- Laboratório de Biodispositivos Nanoestruturados, Departamento de Bioquímica, Universidade Federal de Pernambuco, 50670-901 Recife, PE, Brazil
| | - Norma Lucena-Silva
- Instituto Aggeu Magalhães, Fundação Oswaldo Cruz (Fiocruz), 50670-420 Recife, PE, Brazil; Laboratório de Biologia Molecular, Departamento de Oncologia Pediátrica, Instituto de Medicina Integral Professor Fernando Figueira (IMIP), 50070-550 Recife, PE, Brazil
| | - Celso Pinto de Melo
- Departamento de Física, Universidade Federal de Pernambuco, 50670-901 Recife, PE, Brazil
| | - César A S Andrade
- Programa de Pós-Graduação em Inovação Terapêutica, Universidade Federal de Pernambuco, 50670-901 Recife, PE, Brazil; Laboratório de Biodispositivos Nanoestruturados, Departamento de Bioquímica, Universidade Federal de Pernambuco, 50670-901 Recife, PE, Brazil
| | - Maria D L Oliveira
- Programa de Pós-Graduação em Inovação Terapêutica, Universidade Federal de Pernambuco, 50670-901 Recife, PE, Brazil; Laboratório de Biodispositivos Nanoestruturados, Departamento de Bioquímica, Universidade Federal de Pernambuco, 50670-901 Recife, PE, Brazil.
| |
Collapse
|
4
|
da Silva RJ, Lima RM, de Oliveira MCA, Alcaraz-Espinoza JJ, de Melo CP, de Oliveira HP. Supercapacitors based on (carbon nanostructure)/PEDOT/(eggshell membrane) electrodes. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2019.113658] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|
5
|
da Silva RJ, Maciel BG, Medina-Llamas JC, Chávez-Guajardo AE, Alcaraz-Espinoza JJ, Pinto de Melo C. Extraction of plasmid DNA by use of a magnetic maghemite-polyaniline nanocomposite. Anal Biochem 2019; 575:27-35. [PMID: 30917944 DOI: 10.1016/j.ab.2019.03.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [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: 11/23/2018] [Revised: 03/21/2019] [Accepted: 03/21/2019] [Indexed: 11/28/2022]
Abstract
We describe the use of a hybrid magnetic nanocomposite (HMNC) for the extraction and purification of plasmid DNA (pDNA) from Escherichia coli aqueous solutions. The HMNC, which was synthesized via emulsion polymerization, was characterized by transmission electron microscopy, scanning electron microscopy, UV-Vis spectroscopy, Fourier transform infrared spectroscopy, dynamic light scattering and magnetic measurements. The results confirmed the incorporation of polyaniline (Pani) in its conducting form onto a core formed by the magnetic iron oxide, with the hybrid particles presenting an average size of (95 ± 30) nm and a saturation magnetization of 30 emu/g. The yield, purity and quality of the pDNA purified by using the Pani HMNC were evaluated by UV-Vis spectroscopy, agarose gel electrophoresis, and Polymerase Chain Reaction (PCR), respectively. An average yield of ~6.9 μg was obtained in the DNA extraction process, with the collected material presenting a good purity (a ₳260/280 ratio in the 1.68-1.82 range) and an excellent quality, as confirmed by subsequent PCR assays. Hence, this HMNC appears as a promising material for use in pDNA purification protocols, and we suggest that this novel HMNC-based methodology can be of general interest and find widespread application in different biomedical procedures.
Collapse
Affiliation(s)
- Romário Justino da Silva
- Pós-Graduação em Ciência de Materiais, Universidade Federal de Pernambuco, 50670-901, Recife, PE, Brazil
| | - Bruna Gomes Maciel
- Pós-Graduação em Ciência de Materiais, Universidade Federal de Pernambuco, 50670-901, Recife, PE, Brazil
| | - Juan Carlos Medina-Llamas
- Centro de Estudios Científicos y Tecnológicos No. 18, Instituto Politécnico Nacional, 98160, Zacatecas, Zac, Mexico
| | | | | | - Celso Pinto de Melo
- Pós-Graduação em Ciência de Materiais, Universidade Federal de Pernambuco, 50670-901, Recife, PE, Brazil; Departamento de Física, Universidade Federal de Pernambuco, 50670-901, Recife, PE, Brazil.
| |
Collapse
|
6
|
Maciel BG, da Silva RJ, Chávez-Guajardo AE, Medina-Llamas JC, Alcaraz-Espinoza JJ, de Melo CP. Magnetic extraction and purification of DNA from whole human blood using a γ-Fe2O3@Chitosan@Polyaniline hybrid nanocomposite. Carbohydr Polym 2018; 197:100-108. [DOI: 10.1016/j.carbpol.2018.05.034] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 05/09/2018] [Accepted: 05/11/2018] [Indexed: 11/27/2022]
|
7
|
Alcaraz-Espinoza J, de Melo CP, de Oliveira HP. Fabrication of Highly Flexible Hierarchical Polypyrrole/Carbon Nanotube on Eggshell Membranes for Supercapacitors. ACS Omega 2017; 2:2866-2877. [PMID: 31457622 PMCID: PMC6641116 DOI: 10.1021/acsomega.7b00329] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Accepted: 06/06/2017] [Indexed: 05/22/2023]
Abstract
Flexible batteries and supercapacitors (SCs) are expected to play a crucial role in energy storage and management in portable electronic devices. In addition, use of materials based on renewable resources would allow for more affordable and sustainable gadgets. In this context, eggshell membranes (ESMs) represent a promising functional platform for production of high-performance electronic components. In this work, we use ESMs for preparing flexible SCs through the incorporation of carbon nanotubes and subsequent in situ polymerization of polypyrrole, producing a highly conductive nanostructure characterized by a porous surface that exhibits both faradic and nonfaradic mechanisms for charge storage. We have found that by controlling the conducting polymer/carbon derivative relative concentration, one can maximize the corresponding capacitance to attain values up to the order 564.5 mF/cm2 (areal capacitance), 24.8 F/cm3 (volumetric capacitance), and 357.9 F/g (gravimetric capacitance). These bioinspired flexible devices exhibit a capacitance retention of 60% after 4000 cycles of charge/discharge and present negligible aging even after 500 bending repetitions (at a density of current 5 mA/cm2). The successful use of ESM-based electrodes in association with carbon derivatives/conducting polymers confirm that the exploit of biological materials offers a promising perspective for the development of new ecofriendly electronic devices.
Collapse
Affiliation(s)
- José
Jarib Alcaraz-Espinoza
- Departamento
de Física, Universidade Federal de
Pernambuco, Av. Prof. Moraes Rego, 1235, Cidade Universitária, Recife, PE 50670-901, Brazil
- Instituto
de Pesquisa em Ciência dos Materiais, Universidade Federal do Vale do São Francisco, Av. Antonio Carlos Magalhães,
510, Juazeiro, BA 48920-310, Brazil
| | - Celso Pinto de Melo
- Departamento
de Física, Universidade Federal de
Pernambuco, Av. Prof. Moraes Rego, 1235, Cidade Universitária, Recife, PE 50670-901, Brazil
| | - Helinando Pequeno de Oliveira
- Instituto
de Pesquisa em Ciência dos Materiais, Universidade Federal do Vale do São Francisco, Av. Antonio Carlos Magalhães,
510, Juazeiro, BA 48920-310, Brazil
- E-mail:
| |
Collapse
|
8
|
Medina-Llamas JC, Chávez-Guajardo AE, Andrade CAS, Alves KGB, de Melo CP. Use of magnetic polyaniline/maghemite nanocomposite for DNA retrieval from aqueous solutions. J Colloid Interface Sci 2014; 434:167-74. [DOI: 10.1016/j.jcis.2014.08.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2014] [Revised: 08/01/2014] [Accepted: 08/04/2014] [Indexed: 01/02/2023]
|
9
|
Fidelis AC, Dutra RF, Souza PRE, de Melo CP, Maia MMD. A simple HPV 18 detection method based on ultra specific primer immobilized on glass slides. J Clin Lab Anal 2013; 27:143-7. [PMID: 23361903 DOI: 10.1002/jcla.21575] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2012] [Accepted: 12/18/2012] [Indexed: 11/10/2022] Open
Abstract
This study was carried out to develop a simple and inexpensive method for detection of Human papillomavirus (HPV 18) based on irreversible immobilization of ultra specific primer on silanized glass slides. This method is revealed by Blue Green Loading Dye I (LGC) and compared with conventional polymerase chain reaction (PCR) for endocervical samples. The new method was tested in 40 DNA samples with precancer uterine lesions of women treated in Hospital of Recife PE, Brazil. DNA samples were extracted using Wizard Genomic DNA Purification Kit according to manufacturer's instructions. The samples were tested for HPV 18 by conventional PCR (PCRc) and the products visualized on 1.2% agarose gel, with LGC under UV 260 nm. After that the positive and negative samples to HPV 18 were tested by immobilization method and the results visualized with LGC under UV 260 nm. Both PCRc and immobilization method showed high degree of correlation (95%), whereas comparison between PCRc and immobilization method showed good correlation (100%). PCRc is widely known for detection of HPV because of its high sensitivity and efficiency, but due to high cost it is not yet standardized for use in public health laboratories. In our study, the single-stranded DNA immobilized method on a glass slide was effective in screening for HPV revealed by Blue Green and may be an alternative method for diagnosis of HPV once it offers a fast, and easy handling.
Collapse
|
10
|
|