Cited by 896Tissue Engineering and Regenerative MedicineWound Healing and TreatmentsBone Tissue Engineering Materials

The DOI matches its Crossref record; 38 of the 38 references it cites were found in a registry or an index.

Macrophage phenotype and remodeling outcomes in response to biologic scaffolds with and without a cellular component

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Brown, Bryan N., Valentin, Jolene E., Stewart-Akers, Ann M., McCabe, George P., Badylak, Stephen F.·2009·Biomaterials

Abstract

Recently, macrophages have been characterized as having an M1 or M2 phenotype based on receptor expression, cytokine and effector molecule production, and function. The effects of macrophage phenotype upon tissue remodeling following the implantation of a biomaterial are largely unknown. The objectives of this study were to determine the effects of a cellular component within an implanted extracellular matrix (ECM) scaffold upon macrophage phenotype, and to determine the relationship between macrophage phenotype and tissue remodeling. Partial-thickness defects in the abdominal wall musculature of Sprague-Dawley rats were repaired with autologous body wall tissue, acellular allogeneic rat body wall ECM, xenogeneic pig urinary bladder tissue, or acellular xenogeneic pig urinary bladder ECM. At 3, 7, 14, and 28 days the host tissue response was characterized using histologic, immunohistochemical, and RT-PCR methods. The acellular test articles were shown to elicit a predominantly M2 type response and resulted in constructive remodeling, while those containing a cellular component, even an autologous cellular component, elicited a predominantly M1 type response and resulted in deposition of dense connective tissue and/or scarring. We conclude that the presence of cellular material within an ECM scaffold modulates the phenotype of the macrophages participating in the host response following implantation, and that the phenotype of the macrophages participating in the host response appears to be related to tissue remodeling outcome.

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Crossref · 10.1016/j.biomaterials.2008.11.040

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Metadata

Authors
Brown, B. N., Valentin, J. E., Stewart-Akers, A. M., McCabe, G. P., & Badylak, S. F.
Affiliations
  • University of Pittsburgh (US)
  • Purdue University West Lafayette (US)
Corresponding author
Badylak, Stephen F.
Venue
Biomaterials
Publisher
Elsevier BV
Published
2009-03
Volume
30
Issue
8
Pages
1482-1491
ISSN
0142-9612 (ISSN-L)
OpenAlex
W1999579326
Cited by
896
References
38
Citations by year
2026: 23 · 2025: 28 · 2024: 37 · 2023: 46 · 2022: 61 · 2021: 73 · 2020: 47 · 2019: 69 · 2018: 63 · 2017: 73 · 2016: 59 · 2015: 70 · 2014: 76 · 2013: 60 · 2012: 38
FWCI
36.84
Type
journal article
Language
en
Open access
Locations
  • Biomaterials (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of Biomedical Imaging and Bioengineering (F31EB007914)
Topics
  • Health Sciences › Medicine › Surgery › Tissue Engineering and Regenerative Medicine
  • Health Sciences › Medicine › Surgery › Wound Healing and Treatments
  • Physical Sciences › Engineering › Biomedical Engineering › Bone Tissue Engineering Materials
Keywords
macrophage phenotype, macrophage polarization, tissue remodeling, extracellular matrix scaffolds, acellular scaffolds, cellular scaffolds, host tissue response, scar formation, connective tissue deposition
MeSH terms
Animals, Cell Nucleus, Gene Expression Regulation, Immunohistochemistry, Indoles, Macrophages, Phenotype, Transplantation, Autologous, Transplantation, Heterologous, Transplantation, Homologous, Rats, Sprague-Dawley, Muscle, Skeletal, Prosthesis Implantation, Sus scrofa, Rats, Tissue Scaffolds

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