Cited by 24Tissue Engineering and Regenerative MedicineElectrospun Nanofibers in Biomedical ApplicationsWound Healing and Treatments

Free radical-decellularized tissue promotes enhanced antioxidant and anti-inflammatory macrophage response

Open access
LoPresti, S.T., Popovic, B., Kulkarni, M., Skillen, C.D., Brown, B.N.·2019·Biomaterials

Abstract

Oxidative stress leads to the progression of many diseases including chronic wounds, atherosclerosis, stroke and cancer. The modification of biomolecules with reactive nitrogen or oxygen species has been shown to trigger oxidative stress pathways that are beneficial for healing. Extracellular matrix scaffolds have been used successfully in reconstructive applications due to the beneficial host response they induce. To tailor extracellular matrix scaffolds to enhance antioxidant response, ECM were prepared using reactive nitrogen or oxygen species. These scaffolds were shown to be effectively decellularized and possess oxidative or nitroxidative protein modifications. Macrophage responses in vitro and in an in vivo muscle injury model were shown to have enhanced antioxidant phenotypes without impairment of long-term remodeling. These observations suggest that ECM decellularized with reactive oxygen or nitrogen species could provide better outcomes for the treatment of ischemic diseases.

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Crossref · 10.1016/j.biomaterials.2019.119376

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Authors
LoPresti, S. T., Popovic, B., Kulkarni, M., Skillen, C. D., & Brown, B. N.
Affiliations
University of Pittsburgh (US)
Corresponding author
Brown, B.N.
Venue
Biomaterials
Publisher
Elsevier BV
Published
2019-11
Volume
222
Pages
119376
ISSN
0142-9612 (ISSN-L)
OpenAlex
W2962963522
Cited by
24
References
73
Citations by year
2026: 1 · 2025: 4 · 2024: 3 · 2023: 3 · 2022: 3 · 2021: 7 · 2020: 3
FWCI
3.10
Type
journal article
Language
en
Open access
Locations
  • Biomaterials (acceptedVersion)
  • PubMed (publishedVersion)
Funders
  • University of Pittsburgh
  • National Science Foundation
Topics
  • Health Sciences › Medicine › Surgery › Tissue Engineering and Regenerative Medicine
  • Physical Sciences › Materials Science › Biomaterials › Electrospun Nanofibers in Biomedical Applications
  • Health Sciences › Medicine › Rehabilitation › Wound Healing and Treatments
Keywords
extracellular matrix scaffolds, decellularization, reactive oxygen species, reactive nitrogen species, oxidative stress, macrophage response, antioxidant response, anti-inflammatory response, muscle damage, tissue remodeling, ischemic diseases, chronic wounds
MeSH terms
Animals, Anti-Inflammatory Agents, Antioxidants, Cells, Cultured, Extracellular Matrix, Free Radicals, Immunohistochemistry, Macrophages, Mice, Inbred C57BL, Phagocytosis, Swine, Urea, Reactive Oxygen Species, Fluorescent Antibody Technique, Indirect, Reactive Nitrogen Species, Tissue Scaffolds

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