Cited by 99Hydrogels: synthesis, properties, applicationsWound Healing and TreatmentsAngiogenesis and VEGF in Cancer

Angiogenesis induced by controlled release of neuropeptide substance P

Kohara, Hiroshi, Tajima, Shuhei, Yamamoto, Masaya, Tabata, Yasuhiko·2010·Biomaterials

Abstract

The in vivo recruitment of circulating host cells to the site to be regenerated is one of the promising strategies for therapeutic angiogenesis. Substance P (SP), a member of neuropeptides, mediates pain perception and regulates wound healing, inflammation, tumor cell proliferation, and angiogenesis. This SP enhanced the migration, adhesion, and angiogenic gene expression of granulocytes in vitro. A biodegradable hydrogel was prepared from an anionic derivative of gelatin to achieve the controlled release of SP in vivo. When the anionic gelatin hydrogels incorporating SP were subcutaneously implanted into the mouse back, significant angiogenesis was induced around the site implanted, in contrast to the injection of SP solution. In vivo accumulation of granulocytes around the implanted sites was observed. It is concluded that the controlled release of SP efficiently induced the recruitment and the subsequent activation of granulocytes, one of the circulating cells with angiogenic activities, from the blood circulation into the site implanted, resulting in enhanced angiogenesis.

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Crossref · 10.1016/j.biomaterials.2010.07.079

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Authors
Kohara, H., Tajima, S., Yamamoto, M., & Tabata, Y.
Affiliations
Kyoto University (JP)
Venue
Biomaterials
Publisher
Elsevier BV
Published
2010-11
Volume
31
Issue
33
Pages
8617-8625
ISSN
0142-9612 (ISSN-L)
OpenAlex
W2040055558
Cited by
99
References
61
Citations by year
2026: 1 · 2025: 4 · 2024: 7 · 2023: 6 · 2022: 4 · 2021: 6 · 2020: 5 · 2019: 7 · 2018: 14 · 2017: 8 · 2016: 10 · 2015: 8 · 2014: 6 · 2013: 3 · 2012: 7
FWCI
1.94
Type
journal article
Language
en
Open access
closed
Locations
  • Biomaterials (publishedVersion)
  • PubMed (publishedVersion)
  • Institutional Repositories DataBase (IRDB) (submittedVersion)
  • Kyoto University Research Information Repository (Kyoto University) (submittedVersion)
Funders
  • Japan Society for the Promotion of Science
  • Ministry of Education, Culture, Sports, Science and Technology
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Medicine › Hydrogels: synthesis, properties, applications
  • Health Sciences › Medicine › Rehabilitation › Wound Healing and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Angiogenesis and VEGF in Cancer
Keywords
substance P, neuropeptides, therapeutic angiogenesis, controlled release, biodegradable hydrogels, granulocytes, cell recruitment, wound healing, inflammation, angiogenic gene expression
MeSH terms
Animals, Cattle, Cell Adhesion, Cell Movement, Delayed-Action Preparations, Fluorescent Antibody Technique, Gelatin, Gene Expression Regulation, Granulocytes, Humans, Substance P, Neovascularization, Physiologic, Prosthesis Implantation, Hydrogel, Polyethylene Glycol Dimethacrylate, Sus scrofa, Mice

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