Adhesive Hydrogels for Maxillofacial Tissue Regeneration Using Minimally Invasive Procedures

Christoph Salzlechner; Tabasom Haghighi; Isabella Huebscher; Anders Runge Walther; Sophie Schell; Alexander Gardner; Gerhard Undt; Ricardo M.P. da Silva; Cecile A. Dreiss; Kathleen Fan; Eileen Gentleman

doi:10.1002/adhm.201901134

Adhesive Hydrogels for Maxillofacial Tissue Regeneration Using Minimally Invasive Procedures

Christoph Salzlechner, Tabasom Haghighi, Isabella Huebscher, Anders Runge Walther, Sophie Schell, Alexander Gardner, Gerhard Undt, Ricardo M.P. da Silva, Cecile A. Dreiss, Kathleen Fan, Eileen Gentleman

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Abstract

Minimally invasive surgical procedures aiming to repair damaged maxillofacial tissues are hampered by its small, complex structures and difficult surgical access. Indeed, while arthroscopic procedures that deliver regenerative materials and/or cells are common in articulating joints such as the knee, there are currently no treatments that surgically place cells, regenerative factors or materials into maxillofacial tissues to foster bone, cartilage or muscle repair. Here, hyaluronic acid (HA)-based hydrogels are developed, which are suitable for use in minimally invasive procedures, that can adhere to the surrounding tissue, and deliver cells and potentially drugs. By modifying HA with both methacrylate (MA) and 3,4-dihydroxyphenylalanine (Dopa) groups using a completely aqueous synthesis route, it is shown that MA-HA-Dopa hydrogels can be applied under aqueous conditions, gel quickly using a standard surgical light, and adhere to tissue. Moreover, upon oxidation of the Dopa, human marrow stromal cells attach to hydrogels and survive when encapsulated within them. These observations show that when incorporated into HA-based hydrogels, Dopa moieties can foster cell and tissue interactions, ensuring surgical placement and potentially enabling delivery/recruitment of regenerative cells. The findings suggest that MA-HA-Dopa hydrogels may find use in minimally invasive procedures to foster maxillofacial tissue repair.

Original language	English
Article number	e1901134
Number of pages	7
Journal	Advanced Healthcare Materials
Volume	9
Issue number	4
Early online date	14 Jan 2020
DOIs	https://doi.org/10.1002/adhm.201901134
Publication status	Published - 19 Feb 2020

Keywords

adhesivity
biomaterials
hydrogels
minimally invasive surgery
tissue engineering

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10.1002/adhm.201901134Licence: CC BY

Adhesive Hydrogels for Maxillofacial_Salzlechner_Accepted29November2019_Published24January2020_GOLD VoR (CC BY)Final published version, 2.34 MBLicence: CC BY

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title = "Adhesive Hydrogels for Maxillofacial Tissue Regeneration Using Minimally Invasive Procedures",

abstract = "Minimally invasive surgical procedures aiming to repair damaged maxillofacial tissues are hampered by its small, complex structures and difficult surgical access. Indeed, while arthroscopic procedures that deliver regenerative materials and/or cells are common in articulating joints such as the knee, there are currently no treatments that surgically place cells, regenerative factors or materials into maxillofacial tissues to foster bone, cartilage or muscle repair. Here, hyaluronic acid (HA)-based hydrogels are developed, which are suitable for use in minimally invasive procedures, that can adhere to the surrounding tissue, and deliver cells and potentially drugs. By modifying HA with both methacrylate (MA) and 3,4-dihydroxyphenylalanine (Dopa) groups using a completely aqueous synthesis route, it is shown that MA-HA-Dopa hydrogels can be applied under aqueous conditions, gel quickly using a standard surgical light, and adhere to tissue. Moreover, upon oxidation of the Dopa, human marrow stromal cells attach to hydrogels and survive when encapsulated within them. These observations show that when incorporated into HA-based hydrogels, Dopa moieties can foster cell and tissue interactions, ensuring surgical placement and potentially enabling delivery/recruitment of regenerative cells. The findings suggest that MA-HA-Dopa hydrogels may find use in minimally invasive procedures to foster maxillofacial tissue repair.",

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author = "Christoph Salzlechner and Tabasom Haghighi and Isabella Huebscher and Walther, {Anders Runge} and Sophie Schell and Alexander Gardner and Gerhard Undt and {da Silva}, {Ricardo M.P.} and Dreiss, {Cecile A.} and Kathleen Fan and Eileen Gentleman",

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AU - Walther, Anders Runge

AU - Schell, Sophie

AU - Gardner, Alexander

AU - Undt, Gerhard

AU - da Silva, Ricardo M.P.

AU - Dreiss, Cecile A.

AU - Fan, Kathleen

AU - Gentleman, Eileen

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Adhesive Hydrogels for Maxillofacial Tissue Regeneration Using Minimally Invasive Procedures

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