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Kolahreez D, Ghasemi-Mobarakeh L, Quartinello F, Liebner FW, Guebitz GM, Ribitsch D. Multifunctional Casein-Based Wound Dressing Capable of Monitoring and Moderating the Proteolytic Activity of Chronic Wounds. Biomacromolecules 2024; 25:700-714. [PMID: 38295273 PMCID: PMC10865360 DOI: 10.1021/acs.biomac.3c00910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 01/08/2024] [Accepted: 01/08/2024] [Indexed: 02/02/2024]
Abstract
Every 1.2 s, a diabetic foot ulcer is developed, and every 20 s, one amputation is carried out in diabetic patients. Monitoring and controlling protease activity have been considered as a strategy for more efficient management of diabetic and other chronic wounds. This study aimed to develop a casein-based dressing that, by its disappearance, provides information about the activity of proteases and simultaneously harnesses proteolytic activity. Casein films were fabricated by using an aqueous solution, and heat treatment was successfully deployed as a green and clean approach to confer hydrolytic stability. Our results showed that casein-based films' mechanical characteristics, water absorption, and proteolytic stability could be controlled by the length of the heat treatment, which proved to be a useful tool. An increase in the treatment duration from 30 min to 3 h led to toleration of 2.4 times higher stress, 2 times lower water uptake, and 3.4 times higher proteolytic stability at examined conditions. Selected casein-based structures responded to Bacillus sp. bacteria's protease (BSP) and human neutrophil elastase (HNE) as representatives of bacterial and nonbacterial proteases found in the wounds at 10 and 200 ng mL-1 levels, respectively. The hydrolysis was accompanied by a 36% reduction in proteolytic activity measured by using a casein-based universal protease activity assay. The released casein fragments could scavenge 90% of the examined radicals. In-vitro cell culture studies showed that the hydrolysates were not cytotoxic, and the casein-based film had a favorable interaction with fibroblast cells, indicating its potential as a scaffold in the case that proteolytic activity would not be to the extent that causes its rapid disintegration. In general, these findings hold promise for applying the developed casein-based structure for detecting proteolytic activity without the need for any equipment, kits, or expertise and, more importantly, in a highly economical manner. In the case that the proteolytic activity would not be severe, it could also serve as a substrate for cell adhesion and growth; this would aid in the healing process.
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Affiliation(s)
- Davood Kolahreez
- Department
of Textile Engineering, Isfahan University
of Technology, Isfahan 84156-83111, Iran
- Institute
of Environmental Biotechnology, Department of Agrobiotechnology, IFA-Tulln, University of Natural Resources and Life Sciences, Vienna, Konrad-Lorenz-Strasse 20, 3430 Tulln an der Donau, Austria
- Institute
of Chemistry of Renewable Resources, Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Konrad-Lorenz-Strasse 24, 3430 Tulln an der Donau, Austria
| | - Laleh Ghasemi-Mobarakeh
- Department
of Textile Engineering, Isfahan University
of Technology, Isfahan 84156-83111, Iran
| | - Felice Quartinello
- Institute
of Environmental Biotechnology, Department of Agrobiotechnology, IFA-Tulln, University of Natural Resources and Life Sciences, Vienna, Konrad-Lorenz-Strasse 20, 3430 Tulln an der Donau, Austria
| | - Falk W. Liebner
- Institute
of Chemistry of Renewable Resources, Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Konrad-Lorenz-Strasse 24, 3430 Tulln an der Donau, Austria
| | - Georg M. Guebitz
- Institute
of Environmental Biotechnology, Department of Agrobiotechnology, IFA-Tulln, University of Natural Resources and Life Sciences, Vienna, Konrad-Lorenz-Strasse 20, 3430 Tulln an der Donau, Austria
- Austrian
Centre of Industrial Biotechnology (ACIB), Konrad-Lorenz-Strasse 20, 3430 Tulln an der Donau, Austria
| | - Doris Ribitsch
- Institute
of Environmental Biotechnology, Department of Agrobiotechnology, IFA-Tulln, University of Natural Resources and Life Sciences, Vienna, Konrad-Lorenz-Strasse 20, 3430 Tulln an der Donau, Austria
- Austrian
Centre of Industrial Biotechnology (ACIB), Konrad-Lorenz-Strasse 20, 3430 Tulln an der Donau, Austria
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Sánchez-Moguel I, Costa-Silva TA, Pillaca-Pullo OS, Flores-Santos JC, Freire RKB, Carretero G, da Luz Bueno J, Camacho-Córdova DI, Santos JH, Sette LD, Pessoa-Jr A. Antarctic yeasts as a source of L-asparaginase: characterization of a glutaminase-activity free L-asparaginase from psychrotolerant yeast Leucosporidium scottii L115. Process Biochem 2023. [DOI: 10.1016/j.procbio.2023.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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Brandelli A, Daroit DJ. Unconventional microbial proteases as promising tools for the production of bioactive protein hydrolysates. Crit Rev Food Sci Nutr 2022; 64:4714-4745. [PMID: 36377687 DOI: 10.1080/10408398.2022.2145262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Enzymatic hydrolysis is the most prominent strategy to release bioactive peptides from different food proteins and protein-rich by-products. Unconventional microbial proteases (UMPs) have gaining increased attention for such purposes, particularly from the 2010s. In this review, we present and discuss aspects related to UMPs production, and their use to obtain bioactive protein hydrolysates. Antioxidant and anti-hypertensive potentials, commonly evaluated through in vitro testing, are mainly reported. The in vivo bioactivities of protein hydrolysates and peptides produced through UMPs action are highlighted. In addition to bioactivities, enzymatic hydrolysis acts by modulating the functional properties of proteins for potential food uses. The compiled literature indicates that UMPs are promising biocatalysts to generate bioactive protein hydrolysates, adding up to commercially available enzymes. From the recent interest on this topic, continuous and in-depth research is needed to advance toward the applicability and commercial utility of both UMPs and obtained hydrolysates.
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Affiliation(s)
- Adriano Brandelli
- Laboratório de Bioquímica e Microbiologia Aplicada, Instituto de Ciência e Tecnologia de Alimentos (ICTA), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Daniel Joner Daroit
- Programa de Pós-Graduação em Ambiente e Tecnologias Sustentáveis (PPGATS), Universidade Federal da Fronteira Sul (UFFS), Cerro Largo, Brazil
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Food Protein-Derived Antioxidant Peptides: Molecular Mechanism, Stability and Bioavailability. Biomolecules 2022; 12:biom12111622. [PMID: 36358972 PMCID: PMC9687809 DOI: 10.3390/biom12111622] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 10/22/2022] [Accepted: 10/22/2022] [Indexed: 11/06/2022] Open
Abstract
The antioxidant activity of protein-derived peptides was one of the first to be revealed among the more than 50 known peptide bioactivities to date. The exploitation value associated with food-derived antioxidant peptides is mainly attributed to their natural properties and effectiveness as food preservatives and in disease prevention, management, and treatment. An increasing number of antioxidant active peptides have been identified from a variety of renewable sources, including terrestrial and aquatic organisms and their processing by-products. This has important implications for alleviating population pressure, avoiding environmental problems, and promoting a sustainable shift in consumption. To identify such opportunities, we conducted a systematic literature review of recent research advances in food-derived antioxidant peptides, with particular reference to their biological effects, mechanisms, digestive stability, and bioaccessibility. In this review, 515 potentially relevant papers were identified from a preliminary search of the academic databases PubMed, Google Scholar, and Scopus. After removing non-thematic articles, articles without full text, and other quality-related factors, 52 review articles and 122 full research papers remained for analysis and reference. The findings highlighted chemical and biological evidence for a wide range of edible species as a source of precursor proteins for antioxidant-active peptides. Food-derived antioxidant peptides reduce the production of reactive oxygen species, besides activating endogenous antioxidant defense systems in cellular and animal models. The intestinal absorption and metabolism of such peptides were elucidated by using cellular models. Protein hydrolysates (peptides) are promising ingredients with enhanced nutritional, functional, and organoleptic properties of foods, not only as a natural alternative to synthetic antioxidants.
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Kumar A, Mukhia S, Kumar R. Industrial applications of cold-adapted enzymes: challenges, innovations and future perspective. 3 Biotech 2021; 11:426. [PMID: 34567931 DOI: 10.1007/s13205-021-02929-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 07/15/2021] [Indexed: 12/12/2022] Open
Abstract
Extreme cold environments are potential reservoirs of microorganisms producing unique and novel enzymes in response to environmental stress conditions. Such cold-adapted enzymes prove to be valuable tools in industrial biotechnology to meet the increasing demand for efficient biocatalysts. The inherent properties like high catalytic activity at low temperature, high specific activity and low activation energy make the cold-adapted enzymes well suited for application in various industries. The interest in this group of enzymes is expanding as they are the preferred alternatives to harsh chemical synthesis owing to their biodegradable and non-toxic nature. Irrespective of the multitude of applications, the use of cold-adapted enzymes at the industrial level is still limited. The current review presents the unique adaptive features and the role of cold-adapted enzymes in major industries like food, detergents, molecular biology and bioremediation. The review highlights the significance of omics technology i.e., metagenomics, metatranscriptomics and metaproteomics in enzyme bioprospection from extreme environments. It further points out the challenges in using cold-adapted enzymes at the industrial level and the innovations associated with novel enzyme prospection strategies. Documentations on cold-adapted enzymes and their applications are abundant; however, reports on the role of omics tools in exploring cold-adapted enzymes are still scarce. So, the review covers the aspect concerning the novel techniques for enzyme discovery from nature.
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Affiliation(s)
- Anil Kumar
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Post Box No. 06, Palampur, Himachal Pradesh 176 061 India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201 002 India
| | - Srijana Mukhia
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Post Box No. 06, Palampur, Himachal Pradesh 176 061 India
- Department of Microbiology, Guru Nanak Dev University, Amritsar, Punjab 143005 India
| | - Rakshak Kumar
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Post Box No. 06, Palampur, Himachal Pradesh 176 061 India
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