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나노의학 연구단
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Tissue Tapes—Phenolic Hyaluronic Acid Hydrogel Patches for Off-the-Shelf Therapy

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Title
Tissue Tapes—Phenolic Hyaluronic Acid Hydrogel Patches for Off-the-Shelf Therapy
Author(s)
Jisoo Shin; Soojeong Choi; Jung Hyun Kim; Jung Ho Cho; Yoonhee Jin; Suran Kim; Sungjin Min; Su Kyeom Kim; Donghoon Choi; Seung-Woo Cho
Publication Date
2019-12
Journal
ADVANCED FUNCTIONAL MATERIALS, v.29, no.49, pp.1930863 -
Publisher
WILEY-V C H VERLAG GMBH
Abstract
© 2019 WILEY-VCH Verlag GmbH & Co. KGaA, WeinheimHydrogels have been applied to improve stem cell therapy and drug delivery, but current hydrogel-based delivery methods are inefficient in clinical settings due to difficulty in handling and treatment processes, and low off-the-shelf availability. To overcome these limitations, an adhesive hyaluronic acid (HA) hydrogel patch is developed that acts as a ready-to-use tissue tape for therapeutic application. The HA hydrogel patches functionalized with phenolic moieties (e.g., catechol, pyrogallol) exhibit stronger tissue adhesiveness, greater elastic modulus, and increased off-the-shelf availability, compared with their bulk solution gel form. With this strategy, stem cells are efficiently engrafted onto beating ischemic hearts without injection, resulting in enhanced angiogenesis in ischemic regions and improving cardiac functions. HA hydrogel patches facilitate the in vivo engraftment of stem cell–derived organoids. The off-the-shelf availability of the hydrogel patch is also demonstrated as a drug-loaded ready-made tissue tape for topical drug delivery to promote wound healing. Importantly, the applicability of the cross-linker-free HA patch is validated for therapeutic cell and drug delivery. The study suggests that bioinspired phenolic adhesive hydrogel patches can provide an innovative method for simple but highly effective cell and drug delivery, increasing the off-the-shelf availability—a critically important component for translation to clinical settings
URI
https://pr.ibs.re.kr/handle/8788114/6956
ISSN
1616-301X
Appears in Collections:
Center for Nanomedicine (나노의학 연구단) > Journal Papers
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