ArticleAdvanced therapeutics2020
Bio-orthogonal, Site-Selective Conjugation of Recombinant Proteins to Microporous Annealed Particle Hydrogels for Tissue Engineering.
Article in Advanced therapeutics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Programmable Paracrine-Mimetic Microneedle System for Temporal Regulation of Cardiac Repair.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Covalent Network Formation Rate Controls Depletion-Induced Supramolecular Assembly in Hybrid Double Network Hydrogels.Angewandte Chemie (International ed. in English) · 2026Article
- Microporous annealed particle hydrogels in cell culture, tissue regeneration, and emerging application in cancer immunotherapy.American journal of cancer research · 2025Review
- Covalent Attachment of Functional Proteins to Microfiber Surfaces via a General Strategy for Site-Selective Tetrazine Ligation.ACS applied materials & interfaces · 2024Article
- Conjugation of IL-33 to Microporous Annealed Particle Scaffolds Enhances Type 2-Like Immune Responses In Vitro and In Vivo.Advanced healthcare materials · 2024Article
- Impact of Annealing Chemistry on the Properties and Performance of Microporous Annealed Particle Hydrogels.Biomacromolecules · 2024Article
- Sticking Together: Injectable Granular Hydrogels with Increased Functionality via Dynamic Covalent Inter-Particle Crosslinking.Small (Weinheim an der Bergstrasse, Germany) · 2022Article
- 4D Printing of Extrudable and Degradable Poly(Ethylene Glycol) Microgel Scaffolds for Multidimensional Cell Culture.Small (Weinheim an der Bergstrasse, Germany) · 2022Article
- Microfluidic Synthesis of Microgel Building Blocks for Microporous Annealed Particle Scaffold.Journal of visualized experiments : JoVE · 2022Article
- Methods to Characterize Granular Hydrogel Rheological Properties, Porosity, and Cell Invasion.ACS biomaterials science & engineering · 2022Article
Corrections and comments
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Authors and funding
2 authors.
Funding
Abstract
Protein conjugation to biomaterial scaffolds is a powerful approach for tissue engineering. However, typical chemical conjugation methods lack site-selectivity and can negatively impact protein bioactivity. To overcome this problem, a site-selective strategy is reported here for installing tetrazine groups on terminal poly-histidines (His-tags) of recombinant proteins. These tetrazine groups are then leveraged for bio-orthogonal conjugation to poly(ethylene glycol) (PEG) hydrogel microparticles, which are subsequently assembled into microporous annealed particle (MAP) hydrogels. Efficacy of the strategy is demonstrated using recombinant, green fluorescent protein with a His tag (His-GFP), which enhanced fluorescence of the MAP hydrogels compared to control protein lacking tetrazine groups. Subsequently, to demonstrate efficacy with a therapeutic protein, recombinant human bone morphogenetic protein-2 (His-BMP2) was conjugated. Human mesenchymal stem cells growing in the MAP hydrogels responded to the conjugated BMP2 and significantly increased mineralization after 21 days compared to controls. Thus, this site-selective protein modification strategy coupled with bio-orthogonal click chemistry is expected to be useful for bone defect repair and regeneration therapies. Broader application to the integration of protein therapeutics with biomaterials is also envisioned.
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Registered trials
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