1
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Arcuri S, Pennarossa G, Pasquariello R, Prasadani M, Gandolfi F, Brevini TAL. Generation of Porcine and Rainbow Trout 3D Intestinal Models and Their Use to Investigate Astaxanthin Effects In Vitro. Int J Mol Sci 2024; 25:5966. [PMID: 38892151 PMCID: PMC11172962 DOI: 10.3390/ijms25115966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 05/24/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
Astaxanthin (AST) is a natural compound derived from shellfish, microorganisms, and algae, with several healthy properties. For this reason, it is widely used in the diet of humans and animals, such as pigs, broilers, and fish, where its addition is related to its pigmenting properties. Moreover, AST's ability to reduce free radicals and protect cells from oxidative damage finds application during the weaning period, when piglets are exposed to several stressors. To better elucidate the mechanisms involved, here we generate ad hoc pig and rainbow trout in vitro platforms able to mimic the intestinal mucosa. The morphology is validated through histological and molecular analysis, while functional properties of the newly generated intestinal barriers, both in porcine and rainbow trout models, are demonstrated by measuring trans-epithelial electrical resistance and analyzing permeability with fluorescein isothiocyanate-dextran. Exposure to AST induced a significant upregulation of antioxidative stress markers and a reduction in the transcription of inflammation-related interleukins. Altogether, the present findings demonstrate AST's ability to interact with the molecular pathways controlling oxidative stress and inflammation both in the porcine and rainbow trout species and suggest AST's positive role in prevention and health.
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Affiliation(s)
- Sharon Arcuri
- Laboratory of Biomedical Embryology, Department of Veterinary Medicine and Animal Science and Center for Stem Cell Research, Università degli Studi di Milano, 26900 Lodi, Italy; (S.A.); (G.P.)
| | - Georgia Pennarossa
- Laboratory of Biomedical Embryology, Department of Veterinary Medicine and Animal Science and Center for Stem Cell Research, Università degli Studi di Milano, 26900 Lodi, Italy; (S.A.); (G.P.)
| | - Rolando Pasquariello
- Department of Agricultural and Environmental Sciences—Production, Landscape, Agroenergy, Università degli Studi di Milano, 20133 Milan, Italy; (R.P.); (F.G.)
| | - Madhusha Prasadani
- Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, 51014 Tartu, Estonia;
| | - Fulvio Gandolfi
- Department of Agricultural and Environmental Sciences—Production, Landscape, Agroenergy, Università degli Studi di Milano, 20133 Milan, Italy; (R.P.); (F.G.)
| | - Tiziana A. L. Brevini
- Laboratory of Biomedical Embryology, Department of Veterinary Medicine and Animal Science and Center for Stem Cell Research, Università degli Studi di Milano, 26900 Lodi, Italy; (S.A.); (G.P.)
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2
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Zhu C, Bai Y, Zhao X, Liu S, Xia X, Zhang S, Wang Y, Zhang H, Xu Y, Chen S, Jiang J, Wu Y, Wu X, Zhang G, Zhang X, Hu J, Wang L, Zhao Y, Bai Y. Antimicrobial Peptide MPX with Broad-Spectrum Bactericidal Activity Promotes Proper Abscess Formation and Relieves Skin Inflammation. Probiotics Antimicrob Proteins 2023; 15:1608-1625. [PMID: 36626016 DOI: 10.1007/s12602-022-10035-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/12/2022] [Indexed: 01/11/2023]
Abstract
Bacteria have developed antibiotic resistance during the large-scale use of antibiotics, and multidrug-resistant strains are common. The development of new antibiotics or antibiotic substitutes has become an important challenge for humankind. MPX is a 14 amino acid peptide belonging to the MP antimicrobial peptide family. In this study, the antibacterial spectrum of the antimicrobial peptide MPX was first tested. The antimicrobial peptide MPX was tested for antimicrobial activity against the gram-positive bacterium S. aureus ATCC 25923, the gram-negative bacteria E. coli ATCC 25922 and Salmonella enterica serovar Typhimurium CVCC541, and the fungus Candida albicans ATCC 90029. The results showed that MPX had good antibacterial activity against the above four strains, especially against E. coli, for which the MIC was as low as 15.625 μg/mL. The study on the bactericidal mechanism of the antimicrobial peptide revealed that MPX can destroy the integrity of the cell membrane, increase membrane permeability, and change the electromotive force of the membrane, thereby allowing the contents to leak out and mediating bacterial death. A mouse acute infection model was used to evaluate the therapeutic effect of MPX after acute infection of subcutaneous tissue by S. aureus. The study showed that MPX could promote tissue repair in S. aureus infection and alleviate lung damage caused by S. aureus. In addition, skin H&E staining showed that MPX treatment facilitated the formation of appropriate abscesses at the subcutaneous infection site and facilitated the clearance of bacteria by the skin immune system. The above results show that MPX has good antibacterial activity and broad-spectrum antibacterial potential and can effectively prevent the invasion of subcutaneous tissue by S. aureus, providing new ideas and directions for the immunotherapy of bacterial infections.
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Affiliation(s)
- Chunling Zhu
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, China
- College of Veterinary Medicine, Jilin University, Changchun, 130000, China
| | - Yilin Bai
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China
| | - Xueqin Zhao
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Shanqin Liu
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Xiaojing Xia
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Shouping Zhang
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Yimin Wang
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Huihui Zhang
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Yanzhao Xu
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Shijun Chen
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Jinqing Jiang
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Yundi Wu
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, 453003, China
- School of Biomedical Engineering, State Key Laboratory of Marine Resource Utilization in the South China Sea, Hainan University, Haikou, 570228, China
| | - Xilong Wu
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, 453003, China
- School of Biomedical Engineering, State Key Laboratory of Marine Resource Utilization in the South China Sea, Hainan University, Haikou, 570228, China
| | - Gaiping Zhang
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Xueming Zhang
- College of Veterinary Medicine, Jilin University, Changchun, 130000, China
| | - Jianhe Hu
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Lei Wang
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, China.
- School of Biomedical Engineering, State Key Laboratory of Marine Resource Utilization in the South China Sea, Hainan University, Haikou, 570228, China.
| | - Yaya Zhao
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, China.
| | - Yueyu Bai
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, China.
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3
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Tripathi AK, Singh J, Trivedi R, Ranade P. Shaping the Future of Antimicrobial Therapy: Harnessing the Power of Antimicrobial Peptides in Biomedical Applications. J Funct Biomater 2023; 14:539. [PMID: 37998108 PMCID: PMC10672284 DOI: 10.3390/jfb14110539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 10/23/2023] [Accepted: 10/25/2023] [Indexed: 11/25/2023] Open
Abstract
Antimicrobial peptides (AMPs) have emerged as a promising class of bioactive molecules with the potential to combat infections associated with medical implants and biomaterials. This review article aims to provide a comprehensive analysis of the role of antimicrobial peptides in medical implants and biomaterials, along with their diverse clinical applications. The incorporation of AMPs into various medical implants and biomaterials has shown immense potential in mitigating biofilm formation and preventing implant-related infections. We review the latest advancements in biomedical sciences and discuss the AMPs that were immobilized successfully to enhance their efficacy and stability within the implant environment. We also highlight successful examples of AMP coatings for the treatment of surgical site infections (SSIs), contact lenses, dental applications, AMP-incorporated bone grafts, urinary tract infections (UTIs), medical implants, etc. Additionally, we discuss the potential challenges and prospects of AMPs in medical implants, such as effectiveness, instability and implant-related complications. We also discuss strategies that can be employed to overcome the limitations of AMP-coated biomaterials for prolonged longevity in clinical settings.
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Affiliation(s)
- Amit Kumar Tripathi
- Department of Microbiology, Immunology and Genetics, University of North Texas Health Science Center, Fort Worth, TX 76107, USA; (R.T.); (P.R.)
| | - Jyotsana Singh
- Hematopoietic Biology and Malignancy, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - Rucha Trivedi
- Department of Microbiology, Immunology and Genetics, University of North Texas Health Science Center, Fort Worth, TX 76107, USA; (R.T.); (P.R.)
| | - Payal Ranade
- Department of Microbiology, Immunology and Genetics, University of North Texas Health Science Center, Fort Worth, TX 76107, USA; (R.T.); (P.R.)
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4
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Rikken G, Meesters LD, Jansen PAM, Rodijk-Olthuis D, van Vlijmen-Willems IMJJ, Niehues H, Smits JPH, Oláh P, Homey B, Schalkwijk J, Zeeuwen PLJM, van den Bogaard EH. Novel methodologies for host-microbe interactions and microbiome-targeted therapeutics in 3D organotypic skin models. MICROBIOME 2023; 11:227. [PMID: 37849006 PMCID: PMC10580606 DOI: 10.1186/s40168-023-01668-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 09/08/2023] [Indexed: 10/19/2023]
Abstract
BACKGROUND Following descriptive studies on skin microbiota in health and disease, mechanistic studies on the interplay between skin and microbes are on the rise, for which experimental models are in great demand. Here, we present a novel methodology for microbial colonization of organotypic skin and analysis thereof. RESULTS An inoculation device ensured a standardized application area on the stratum corneum and a homogenous distribution of bacteria, while preventing infection of the basolateral culture medium even during prolonged culture periods for up to 2 weeks at a specific culture temperature and humidity. Hereby, host-microbe interactions and antibiotic interventions could be studied, revealing diverse host responses to various skin-related bacteria and pathogens. CONCLUSIONS Our methodology is easily transferable to a wide variety of organotypic skin or mucosal models and different microbes at every cell culture facility at low costs. We envision that this study will kick-start skin microbiome studies using human organotypic skin cultures, providing a powerful alternative to experimental animal models in pre-clinical research. Video Abstract.
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Affiliation(s)
- Gijs Rikken
- Department of Dermatology, Radboud University Medical Center (Radboudumc), Nijmegen, The Netherlands
| | - Luca D Meesters
- Department of Dermatology, Radboud University Medical Center (Radboudumc), Nijmegen, The Netherlands
| | - Patrick A M Jansen
- Department of Dermatology, Radboud University Medical Center (Radboudumc), Nijmegen, The Netherlands
| | - Diana Rodijk-Olthuis
- Department of Dermatology, Radboud University Medical Center (Radboudumc), Nijmegen, The Netherlands
| | | | - Hanna Niehues
- Department of Dermatology, Radboud University Medical Center (Radboudumc), Nijmegen, The Netherlands
| | - Jos P H Smits
- Department of Dermatology, Radboud University Medical Center (Radboudumc), Nijmegen, The Netherlands
- Department of Dermatology, University Hospital Düsseldorf, Medical Faculty, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Peter Oláh
- Department of Dermatology, University Hospital Düsseldorf, Medical Faculty, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Bernhard Homey
- Department of Dermatology, University Hospital Düsseldorf, Medical Faculty, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Joost Schalkwijk
- Department of Dermatology, Radboud University Medical Center (Radboudumc), Nijmegen, The Netherlands
| | - Patrick L J M Zeeuwen
- Department of Dermatology, Radboud University Medical Center (Radboudumc), Nijmegen, The Netherlands
| | - Ellen H van den Bogaard
- Department of Dermatology, Radboud University Medical Center (Radboudumc), Nijmegen, The Netherlands.
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5
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A novel exposure mode based on UVA-LEDs for bacterial inactivation. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2023; 239:112641. [PMID: 36610349 DOI: 10.1016/j.jphotobiol.2022.112641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 12/16/2022] [Accepted: 12/23/2022] [Indexed: 12/26/2022]
Abstract
As an emerging UV source, ultraviolet light-emitting diodes (UV-LEDs) are increasingly being used for disinfection purposes. UVA-LEDs have a higher output power, lower cost, and stronger penetration and cause less harm than UVC-LEDs. In this study, a novel exposure mode based on UVA was proposed and well demonstrated by various experiments using S. aureus as an indicator. Compared with single-dose exposure, fractionated exposure with a 15 min interval between treatments resulted in increased S. aureus inactivation. A longer interval or lower first irradiation dose was unfavorable for inactivation. Fractionated exposure changed the inactivation rate constant and eliminated the shoulder in the fluence-response curves. This resulted in changing the sensitivity of bacteria to UVA and improving bacterial inactivation. Moreover, the fractioned exposure mode has universality for various bacteria (including gram-positive and gram-negative bacteria). S. aureus was not reactivated by photoreactivation or dark repair after UVA treatment. As expected, the cells were damaged more seriously after fractionated exposure, further suggesting the advantages of this new exposure mode. In addition, the mechanism by which bacteria were inactivated after fractionated exposure was investigated, and it was found that •OH played an important role. A longer interval between treatments showed an adverse effect on inactivation, mainly due to the reduction of •OH and recovery of intracellular GSH. In summary, the current work provides novel ideas for the application of UVA-LEDs, which will give more choices for disinfection treatment.
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6
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Gould SJ, Foey AD, Salih VM. An organotypic oral mucosal infection model to study host-pathogen interactions. J Tissue Eng 2023; 14:20417314231197310. [PMID: 37873034 PMCID: PMC10590543 DOI: 10.1177/20417314231197310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 08/10/2023] [Indexed: 10/25/2023] Open
Abstract
Early in vitro oral mucosal infection models (OMMs) failed to consider the suitability of the model environment to represent the host immune response. Denture stomatitis (DS) is mediated by Candida albicans, but the role of Staphylococcus aureus remains uncertain. A collagen hydrogel-based OMM containing HaCaT and HGF cell types was developed, characterised and employed to study of tissue invasion and pro-inflammatory cytokine production in response to pathogens. Models formed a robust epithelium. Despite their inflammatory baseline, 24-h infection with C. albicans, and/or S. aureus led to tissue invasion, and significantly upregulated IL-6 and IL-8 production by OMMs when compared to the unstimulated control. No significant difference in IL-6 or IL-8 production by OMMs was observed between single and dual infections. These attributes indicate that this newly developed OMM is suitable for the study of DS and could be implemented for the wider study of oral infection.
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Affiliation(s)
- Samantha J Gould
- Department of Clinical and Biomedical Sciences, University of Exeter, Exeter, Devon, UK
| | - Andrew D Foey
- School of Biomedical Health Sciences, University of Plymouth, Plymouth, Devon, UK
| | - Vehid M Salih
- Peninsula Dental School, University of Plymouth, Plymouth, Devon, UK
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7
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Nanostructured Polyacrylamide Hydrogels with Improved Mechanical Properties and Antimicrobial Behavior. Polymers (Basel) 2022; 14:polym14122320. [PMID: 35745896 PMCID: PMC9227893 DOI: 10.3390/polym14122320] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 06/06/2022] [Accepted: 06/06/2022] [Indexed: 02/08/2023] Open
Abstract
This work proposes a simple method to obtain nanostructured hydrogels with improved mechanical characteristics and relevant antibacterial behavior for applications in articular cartilage regeneration and repair. Low amounts of silver-decorated carbon-nanotubes (Ag@CNTs) were used as reinforcing agents of the semi-interpenetrating polymer network, consisting of linear polyacrylamide (PAAm) embedded in a PAAm-methylene-bis-acrylamide (MBA) hydrogel. The rational design of the materials considered a specific purpose for each employed species: (1) the classical PAAm-MBA network provides the backbone of the materials; (2) the linear PAAm (i) aids the dispersion of the nanospecies, ensuring the systems' homogeneity and (ii) enhances the mechanical properties of the materials with regard to resilience at repeated compressions and ultimate compression stress, as shown by the specific mechanical tests; and (3) the Ag@CNTs (i) reinforce the materials, making them more robust, and (ii) imprint antimicrobial characteristics on the obtained scaffolds. The tests also showed that the obtained materials are stable, exhibiting little degradation after 4 weeks of incubation in phosphate-buffered saline. Furthermore, as revealed by micro-computed tomography, the morphometric features of the scaffolds are adequate for applications in the field of articular tissue regeneration and repair.
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8
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Saleemi MA, Kong YL, Yong PVC, Wong EH. An Overview of Antimicrobial Properties of Carbon Nanotubes-Based Nanocomposites. Adv Pharm Bull 2021; 12:449-465. [PMID: 35935059 PMCID: PMC9348533 DOI: 10.34172/apb.2022.049] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 02/08/2021] [Accepted: 07/02/2021] [Indexed: 11/28/2022] Open
Abstract
The development of carbon-based nanomaterials has extensively facilitated new discoveries in various fields. Carbon nanotube-based nanocomposites (CNT-based nanocomposites) have lately recognized as promising biomaterials for a wide range of biomedical applications due to their unique electronic, mechanical, and biological properties. Nanocomposite materials such as silver nanoparticles (AgNPs), polymers, biomolecules, enzymes, and peptides have been reported in many studies, possess a broad range of antibacterial activity when incorporated with carbon nanotubes (CNTs). It is crucial to understand the mechanism which governs the antimicrobial activity of these CNT-based nanocomposite materials, including the decoupling individual and synergistic effects on the cells. In this review, the interaction behavior between microorganisms and different types of CNT-based nanocomposites is summarized to understand the respective antimicrobial performance in different conditions. Besides, the current development stage of CNT-based nanocomposite materials, the technical challenges faced, and the exceptional prospect of implementing potential antimicrobial CNT-based nanocomposite materials are also discussed.
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Affiliation(s)
- Mansab Ali Saleemi
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor’s University Lakeside Campus, 47500 Subang Jaya, Selangor Darul Ehsan, Malaysia
| | - Yeo Lee Kong
- Department of Engineering and Applied Sciences, American Degree Program, Taylor’s University Lakeside Campus, 47500 Subang Jaya, Selangor Darul Ehsan, Malaysia
| | - Phelim Voon Chen Yong
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor’s University Lakeside Campus, 47500 Subang Jaya, Selangor Darul Ehsan, Malaysia
| | - Eng Hwa Wong
- School of Medicine, Faculty of Health and Medical Sciences, Taylor’s University Lakeside Campus, 47500 Subang Jaya, Selangor Darul Ehsan, Malaysia
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9
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Tavares-Negrete JA, Aceves-Colin AE, Rivera-Flores DC, Díaz-Armas GG, Mertgen AS, Trinidad-Calderón PA, Olmos-Cordero JM, Gómez-López EG, Pérez-Carrillo E, Escobedo-Avellaneda ZJ, Tamayol A, Alvarez MM, Trujillo-de Santiago G. Three-Dimensional Printing Using a Maize Protein: Zein-Based Inks in Biomedical Applications. ACS Biomater Sci Eng 2021; 7:3964-3979. [PMID: 34197076 DOI: 10.1021/acsbiomaterials.1c00544] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The use of three-dimensional (3D) printing for biomedical applications has expanded exponentially in recent years. However, the current portfolio of 3D printable inks is still limited. For instance, only few protein matrices have been explored as printing/bioprinting materials. Here, we introduce the use of zein, the primary constitutive protein in maize seeds, as a 3D printable material. Zein-based inks were prepared by dissolving commercial zein powder in ethanol with or without polyethylene glycol (PEG400) as a plasticizer. The rheological characteristics of our materials, studied during 21 days of aging/maturation, showed an increase in the apparent viscosity as a function of time in all formulations. The addition of PEG400 decreased the apparent viscosity. Inks with and without PEG400 and at different maturation times were tested for printability in a BioX bioprinter. We optimized the 3D printing parameters for each ink formulation in terms of extrusion pressure and linear printing velocity. Higher fidelity structures were obtained with inks that had maturation times of 10 to 14 days. We present different proof-of-concept experiments to demonstrate the versatility of the engineered zein inks for diverse biomedical applications. These include printing of complex and/or free-standing 3D structures, tablets for controlled drug release, and scaffolds for cell culture.
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Affiliation(s)
- Jorge Alfonso Tavares-Negrete
- Centro de Biotecnología-FEMSA, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico.,Departamento de Bioingeniería, Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico
| | - Alberto Emanuel Aceves-Colin
- Centro de Biotecnología-FEMSA, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico.,Departamento de Ingeniería Mecatrónica y Eléctrica, Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico
| | - Delia Cristal Rivera-Flores
- Centro de Biotecnología-FEMSA, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico.,Departamento de Ciencias, Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico
| | - Gladys Guadalupe Díaz-Armas
- Centro de Biotecnología-FEMSA, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico.,Departamento de Ingeniería Mecatrónica y Eléctrica, Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico
| | - Anne-Sophie Mertgen
- Centro de Biotecnología-FEMSA, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico.,Departamento de Bioingeniería, Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico
| | - Plinio Alejandro Trinidad-Calderón
- Centro de Biotecnología-FEMSA, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico.,Departamento de Bioingeniería, Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico
| | - Jorge Miguel Olmos-Cordero
- Centro de Biotecnología-FEMSA, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico.,Departamento de Ingeniería Mecatrónica y Eléctrica, Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico
| | - Elda Graciela Gómez-López
- Departamento de Ciencias, Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico
| | - Esther Pérez-Carrillo
- Centro de Biotecnología-FEMSA, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico.,Departamento de Bioingeniería, Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico
| | - Zamantha Judith Escobedo-Avellaneda
- Centro de Biotecnología-FEMSA, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico.,Departamento de Bioingeniería, Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico
| | - Ali Tamayol
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, Connecticut 06030, United States
| | - Mario Moisés Alvarez
- Centro de Biotecnología-FEMSA, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico.,Departamento de Bioingeniería, Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico
| | - Grissel Trujillo-de Santiago
- Centro de Biotecnología-FEMSA, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico.,Departamento de Ingeniería Mecatrónica y Eléctrica, Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Monterrey 64849, Nuevo León, Mexico
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10
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Ron-Doitch S, Frušić-Zlotkin M, Soroka Y, Duanis-Assaf D, Amar D, Kohen R, Steinberg D. eDNA-Mediated Cutaneous Protection Against UVB Damage Conferred by Staphylococcal Epidermal Colonization. Microorganisms 2021; 9:microorganisms9040788. [PMID: 33918948 PMCID: PMC8068790 DOI: 10.3390/microorganisms9040788] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 04/05/2021] [Accepted: 04/07/2021] [Indexed: 01/10/2023] Open
Abstract
The human skin is a lush microbial habitat which is occupied by a wide array of microorganisms. Among the most common inhabitants are Staphylococcus spp., namely Staphylococcus epidermidis and, in ≈20% of healthy individuals, Staphylococcus aureus. Both bacteria have been associated with cutaneous maladies, where they mostly arrange in a biofilm, thus achieving improved surface adhesion and stability. Moreover, our skin is constantly exposed to numerous oxidative environmental stressors, such as UV-irradiation. Thus, skin cells are equipped with an important antioxidant defense mechanism, the Nrf2–Keap1 pathway. In this work, we aimed to explore the morphology of S. aureus and S. epidermidis as they adhered to healthy human skin and characterize their matrix composition. Furthermore, we hypothesized that the localization of both types of bacteria on a healthy skin surface may provide protective effects against oxidative stressors, such as UV-irradiation. Our results indicate for the first time that S. aureus and S. epidermidis assume a biofilm-like morphology as they adhere to ex vivo healthy human skin and that the cultures’ extracellular matrix (ECM) is composed of extracellular polysaccharides (EPS) and extracellular DNA (eDNA). Both bacterial cultures, as well as isolated S. aureus biofilm eDNA, conferred cutaneous protection against UVB-induced apoptosis. This work emphasized the importance of skin microbiota representatives in the maintenance of a healthy cutaneous redox balance by activating the skin’s natural defense mechanism.
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Affiliation(s)
- Sapir Ron-Doitch
- Biofilm Research Laboratory, Faculty of Dental Medicine, Institute of Dental Sciences, Hebrew University-Hadassah, Jerusalem 91120, Israel; (S.R.-D.); (D.D.-A.)
- The Myers Skin Research Laboratory, Faculty of Medicine, Institute for Drug Research, School of Pharmacy, Hebrew University of Jerusalem, Jerusalem 9103401, Israel; (M.F.-Z.); (Y.S.); (R.K.)
| | - Marina Frušić-Zlotkin
- The Myers Skin Research Laboratory, Faculty of Medicine, Institute for Drug Research, School of Pharmacy, Hebrew University of Jerusalem, Jerusalem 9103401, Israel; (M.F.-Z.); (Y.S.); (R.K.)
| | - Yoram Soroka
- The Myers Skin Research Laboratory, Faculty of Medicine, Institute for Drug Research, School of Pharmacy, Hebrew University of Jerusalem, Jerusalem 9103401, Israel; (M.F.-Z.); (Y.S.); (R.K.)
| | - Danielle Duanis-Assaf
- Biofilm Research Laboratory, Faculty of Dental Medicine, Institute of Dental Sciences, Hebrew University-Hadassah, Jerusalem 91120, Israel; (S.R.-D.); (D.D.-A.)
| | - Dalit Amar
- Department of Plastic, Reconstructive and Aesthetic Surgery, Faculty of Medicine, Hebrew University of Jerusalem, Israel, Hadassah Medical Center, Jerusalem 9103401, Israel;
| | - Ron Kohen
- The Myers Skin Research Laboratory, Faculty of Medicine, Institute for Drug Research, School of Pharmacy, Hebrew University of Jerusalem, Jerusalem 9103401, Israel; (M.F.-Z.); (Y.S.); (R.K.)
| | - Doron Steinberg
- Biofilm Research Laboratory, Faculty of Dental Medicine, Institute of Dental Sciences, Hebrew University-Hadassah, Jerusalem 91120, Israel; (S.R.-D.); (D.D.-A.)
- Correspondence:
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11
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Teixeira-Santos R, Gomes M, Gomes LC, Mergulhão FJ. Antimicrobial and anti-adhesive properties of carbon nanotube-based surfaces for medical applications: a systematic review. iScience 2021; 24:102001. [PMID: 33490909 PMCID: PMC7809508 DOI: 10.1016/j.isci.2020.102001] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Although high-performance carbon materials are widely used in surface engineering, with emphasis on carbon nanotubes (CNTs), the application of CNT nanocomposites on medical surfaces is poorly documented. In this study, we aimed to evaluate the antimicrobial and anti-adhesive properties of CNT-based surfaces. For this purpose, a PRISMA-oriented systematic review was conducted based on predefined criteria and 59 studies were selected for the qualitative analysis. Results from the analyzed studies suggest that surfaces containing modified CNTs, and specially CNTs conjugated with different polymers, exhibited strong antimicrobial and anti-adhesive activities. These composites seem to preserve the CNT toxicity to microorganisms and promote CNT-cell interactions, as well as to protect them from nonspecific protein adsorption. However, CNTs cannot yet compete with the conventional strategies to fight biofilms as their toxicity profile on the human body has not been thoroughly addressed. This review can be helpful for the development of new engineered medical surfaces.
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Affiliation(s)
- Rita Teixeira-Santos
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Marisa Gomes
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Luciana C. Gomes
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Filipe J. Mergulhão
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
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12
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Joshi P, Breaux S, Naro J, Wang Y, Ahmed MSU, Vig K, Auad ML. Synthesis and characterization of photopolymerizable hydrogels based on poly (ethylene glycol) for biomedical applications. J Appl Polym Sci 2021. [DOI: 10.1002/app.50489] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Prutha Joshi
- Department of Chemical Engineering Auburn University Auburn Alabama USA
- Center for Polymers and Advanced Composites Auburn University Auburn Alabama USA
| | - Steven Breaux
- Department of Chemical Engineering Auburn University Auburn Alabama USA
- Center for Polymers and Advanced Composites Auburn University Auburn Alabama USA
| | - Joseph Naro
- Department of Chemical Engineering Auburn University Auburn Alabama USA
- Center for Polymers and Advanced Composites Auburn University Auburn Alabama USA
| | - Yuyang Wang
- Department of Chemical Engineering Auburn University Auburn Alabama USA
- Center for Polymers and Advanced Composites Auburn University Auburn Alabama USA
| | | | - Komal Vig
- Department of Biological Sciences Alabama State University Montgomery Alabama USA
| | - Maria L. Auad
- Department of Chemical Engineering Auburn University Auburn Alabama USA
- Center for Polymers and Advanced Composites Auburn University Auburn Alabama USA
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13
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Thota C, Mikolajczak DJ, Roth C, Koksch B. Enhancing Antimicrobial Peptide Potency through Multivalent Presentation on Coiled-Coil Nanofibrils. ACS Med Chem Lett 2021; 12:67-73. [PMID: 33488966 PMCID: PMC7812673 DOI: 10.1021/acsmedchemlett.0c00425] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 12/08/2020] [Indexed: 12/22/2022] Open
Abstract
Antibiotic-resistant microbes have become a global health threat. New delivery systems that enhance the efficacy of antibiotics and/or overcome the resistances can help combat them. In this context, we present FF03, a fibril-forming α-helical coiled-coil peptide that functions as an efficient scaffold for the multivalent presentation of the weakly cationic antimicrobial peptide (AMP) IN4. The resulting IN4-decorated FF03 coiled-coil fibrils (FF03 + IN4) are nonhemolytic and noncytotoxic and show enhanced antimicrobial activity relative to unconjugated IN4 and standard antibiotics against several bacterial strains. Scanning electron microscopy analysis shows that FF03 + IN4 nanofibers disrupt methicillin-resistant Staphylococcus aureus membranes, indicating a surface-level mode of action. Furthermore, transmission electron microscopy and circular dichroism studies indicate that decoration of the FF03 scaffold with IN4 does not alter the secondary-structure propensity or fibril-forming properties of FF03. Thus, the approach reported herein provides a new peptidic scaffold for the multivalent presentation of AMPs to obtain nonhemolytic and noncytotoxic antimicrobial systems with improved efficacy relative to the unconjugated AMP analogues.
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Affiliation(s)
- Chaitanya
Kumar Thota
- Department
of Chemistry and Biochemistry, Freie Universität
Berlin, Takustrasse 3, 14195 Berlin, Germany
| | - Dorian J. Mikolajczak
- Department
of Chemistry and Biochemistry, Freie Universität
Berlin, Takustrasse 3, 14195 Berlin, Germany
| | - Christian Roth
- Department
of Biomolecular Systems, Max Planck Institute
of Colloids and Interfaces, 14195 Berlin, Germany
| | - Beate Koksch
- Department
of Chemistry and Biochemistry, Freie Universität
Berlin, Takustrasse 3, 14195 Berlin, Germany
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14
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Jahanshahi M, Hamdi D, Godau B, Samiei E, Sanchez-Lafuente CL, Neale KJ, Hadisi Z, Dabiri SMH, Pagan E, Christie BR, Akbari M. An Engineered Infected Epidermis Model for In Vitro Study of the Skin's Pro-Inflammatory Response. MICROMACHINES 2020; 11:mi11020227. [PMID: 32102205 PMCID: PMC7074829 DOI: 10.3390/mi11020227] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 02/14/2020] [Accepted: 02/17/2020] [Indexed: 12/25/2022]
Abstract
Wound infection is a major clinical challenge that can significantly delay the healing process, can create pain, and requires prolonged hospital stays. Pre-clinical research to evaluate new drugs normally involves animals. However, ethical concerns, cost, and the challenges associated with interspecies variation remain major obstacles. Tissue engineering enables the development of in vitro human skin models for drug testing. However, existing engineered skin models are representative of healthy human skin and its normal functions. This paper presents a functional infected epidermis model that consists of a multilayer epidermis structure formed at an air-liquid interface on a hydrogel matrix and a three-dimensionally (3D) printed vascular-like network. The function of the engineered epidermis is evaluated by the expression of the terminal differentiation marker, filaggrin, and the barrier function of the epidermis model using the electrical resistance and permeability across the epidermal layer. The results showed that the multilayer structure enhances the electrical resistance by 40% and decreased the drug permeation by 16.9% in the epidermis model compared to the monolayer cell culture on gelatin. We infect the model with Escherichia coli to study the inflammatory response of keratinocytes by measuring the expression level of pro-inflammatory cytokines (interleukin 1 beta and tumor necrosis factor alpha). After 24 h of exposure to Escherichia coli, the level of IL-1β and TNF-α in control samples were 125 ± 78 and 920 ± 187 pg/mL respectively, while in infected samples, they were 1429 ± 101 and 2155.5 ± 279 pg/mL respectively. However, in ciprofloxacin-treated samples the levels of IL-1β and TNF-α without significant difference with respect to the control reached to 246 ± 87 and 1141.5 ± 97 pg/mL respectively. The robust fabrication procedure and functionality of this model suggest that the model has great potential for modeling wound infections and drug testing.
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Affiliation(s)
- Maryam Jahanshahi
- Laboratory for Innovations in MicroEngineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC V8P 5C2, Canada; (M.J.); (D.H.); (B.G.); (E.S.); (Z.H.); (S.M.H.D.); (E.P.)
| | - David Hamdi
- Laboratory for Innovations in MicroEngineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC V8P 5C2, Canada; (M.J.); (D.H.); (B.G.); (E.S.); (Z.H.); (S.M.H.D.); (E.P.)
| | - Brent Godau
- Laboratory for Innovations in MicroEngineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC V8P 5C2, Canada; (M.J.); (D.H.); (B.G.); (E.S.); (Z.H.); (S.M.H.D.); (E.P.)
| | - Ehsan Samiei
- Laboratory for Innovations in MicroEngineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC V8P 5C2, Canada; (M.J.); (D.H.); (B.G.); (E.S.); (Z.H.); (S.M.H.D.); (E.P.)
| | - Carla Liria Sanchez-Lafuente
- Division of Medical Sciences, University of Victoria, Victoria, BC V8P 5C2, Canada; (C.L.S.-L.); (K.J.N.); (B.R.C.)
| | - Katie J. Neale
- Division of Medical Sciences, University of Victoria, Victoria, BC V8P 5C2, Canada; (C.L.S.-L.); (K.J.N.); (B.R.C.)
| | - Zhina Hadisi
- Laboratory for Innovations in MicroEngineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC V8P 5C2, Canada; (M.J.); (D.H.); (B.G.); (E.S.); (Z.H.); (S.M.H.D.); (E.P.)
| | - Seyed Mohammad Hossein Dabiri
- Laboratory for Innovations in MicroEngineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC V8P 5C2, Canada; (M.J.); (D.H.); (B.G.); (E.S.); (Z.H.); (S.M.H.D.); (E.P.)
| | - Erik Pagan
- Laboratory for Innovations in MicroEngineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC V8P 5C2, Canada; (M.J.); (D.H.); (B.G.); (E.S.); (Z.H.); (S.M.H.D.); (E.P.)
| | - Brian R. Christie
- Division of Medical Sciences, University of Victoria, Victoria, BC V8P 5C2, Canada; (C.L.S.-L.); (K.J.N.); (B.R.C.)
| | - Mohsen Akbari
- Laboratory for Innovations in MicroEngineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC V8P 5C2, Canada; (M.J.); (D.H.); (B.G.); (E.S.); (Z.H.); (S.M.H.D.); (E.P.)
- Correspondence:
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15
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Martin-Serrano Á, Gómez R, Ortega P, de la Mata FJ. Nanosystems as Vehicles for the Delivery of Antimicrobial Peptides (AMPs). Pharmaceutics 2019; 11:E448. [PMID: 31480680 PMCID: PMC6781550 DOI: 10.3390/pharmaceutics11090448] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 08/24/2019] [Accepted: 08/27/2019] [Indexed: 12/13/2022] Open
Abstract
Recently, antimicrobial peptides (AMPs), also called host defence peptides (HDPs), are attracting great interest, as they are a highly viable alternative in the search of new approaches to the resistance presented by bacteria against antibiotics in infectious diseases. However, due to their nature, they present a series of disadvantages such as low bioavailability, easy degradability by proteases, or low solubility, among others, which limits their use as antimicrobial agents. For all these reasons, the use of vehicles for the delivery of AMPs, such as polymers, nanoparticles, micelles, carbon nanotubes, dendrimers, and other types of systems, allows the use of AMPs as a real alternative to treatment with antibiotics.
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Affiliation(s)
- Ángela Martin-Serrano
- Department of Organic and Inorganic Chemistry, and Research Institute in Chemistry "Andrés M. Del Río" (IQAR), University of Alcalá, 28805 Madrid, Spain
- Institute Ramón y Cajal for Health Research (IRYCIS), 28034 Madrid, Spain
| | - Rafael Gómez
- Department of Organic and Inorganic Chemistry, and Research Institute in Chemistry "Andrés M. Del Río" (IQAR), University of Alcalá, 28805 Madrid, Spain
- Institute Ramón y Cajal for Health Research (IRYCIS), 28034 Madrid, Spain
- Networking Research Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029 Madrid, Spain
| | - Paula Ortega
- Department of Organic and Inorganic Chemistry, and Research Institute in Chemistry "Andrés M. Del Río" (IQAR), University of Alcalá, 28805 Madrid, Spain.
- Institute Ramón y Cajal for Health Research (IRYCIS), 28034 Madrid, Spain.
- Networking Research Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029 Madrid, Spain.
| | - F Javier de la Mata
- Department of Organic and Inorganic Chemistry, and Research Institute in Chemistry "Andrés M. Del Río" (IQAR), University of Alcalá, 28805 Madrid, Spain.
- Institute Ramón y Cajal for Health Research (IRYCIS), 28034 Madrid, Spain.
- Networking Research Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029 Madrid, Spain.
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16
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The Advances in Biomedical Applications of Carbon Nanotubes. C — JOURNAL OF CARBON RESEARCH 2019. [DOI: 10.3390/c5020029] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Unique chemical, physical, and biological features of carbon nanotubes make them an ideal candidate for myriad applications in industry and biomedicine. Carbon nanotubes have excellent electrical and thermal conductivity, high biocompatibility, flexibility, resistance to corrosion, nano-size, and a high surface area, which can be tailored and functionalized on demand. This review discusses the progress and main fields of bio-medical applications of carbon nanotubes based on recently-published reports. It encompasses the synthesis of carbon nanotubes and their application for bio-sensing, cancer treatment, hyperthermia induction, antibacterial therapy, and tissue engineering. Other areas of carbon nanotube applications were out of the scope of this review. Special attention has been paid to the problem of the toxicity of carbon nanotubes.
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