Angiogenic hydrogels for dental pulp revascularization.

Angiogenic hydrogels for dental pulp revascularization.
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DOI:
10.1016/j.actbio.2021.03.001
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发表时间:
2021-05
期刊:
影响因子:
9.7
通讯作者:
Kumar VA
Kumar VA
中科院分区:
工程技术1区
文献类型:
--
作者:
Siddiqui Z;Sarkar B;Kim KK;Kadincesme N;Paul R;Kumar A;Kobayashi Y;Roy A;Choudhury M;Yang J;Shimizu E;Kumar VA

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Angiogenesis is critical for tissue healing and regeneration. Promoting angiogenesis in materials implanted within dental pulp after pulpectomy is a major clinical challenge in endodontics. We demonstrate the ability of acellular self-assembling peptide hydrogels to create extracellular matrix mimetic architectures that guide in vivo development of neovasculature and tissue deposition. The hydrogels possess facile injectability, as well as sequence-level functionalizability. We explore the therapeutic utility of an angiogenic hydrogel to regenerate vascularized pulp-like soft tissue in a large animal (canine) orthotopic model. The regenerated soft tissue recapitulates key features of native pulp, such as blood vessels, neural filaments, and an odontoblast-like layer next to dentinal tubules. Our study establishes angiogenic peptide hydrogels as potent scaffolds for promoting soft tissue regeneration in vivo.
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