Design of Injectable and Self-Healing Hydrogels for Tissue Regeneration and Drug Delivery

A special issue of Pharmaceutics (ISSN 1999-4923). This special issue belongs to the section "Biologics and Biosimilars".

Deadline for manuscript submissions: closed (15 February 2024) | Viewed by 1527

Special Issue Editors


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Guest Editor
Department of Biomedical Engineering, University Medical Center Groningen, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
Interests: biomaterials; drug delivery; cancer immunotherapy; photothermal therapy; tissue engineering

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Guest Editor
Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, China
Interests: biomaterials; drug delivery; tissue regeneration; immunomodulatory hydrogel

Special Issue Information

Dear Colleagues,

Injectable and self-healable hydrogels have shown great promise in tissue engineering and drug delivery because they have the capacity to provide mechanical support, cell adhesion sites, and the controlled release of therapeutic molecules at the site of the defect. In addition to the merit of mimicking the natural extracellular matrix of defect tissues, these hydrogels can also be delivered to various anatomical sites, including irregularly shaped or hard-to-reach areas without the need for open surgeries, leading to less trauma, faster recovery times, and lower risk of infection and complications.

This Special Issue aims to cover the most recent advances in injectable and self-healable hydrogels by discussing different fabrication strategies, available triggered drug release mechanisms, their potential for multimodal therapy and cell delivery, as well as challenges of optimal balance between gelation time, mechanical properties, and biodegradability to provide high flexibility in their biomedical application and make them a more promising tool for the future of regenerative medicine and drug delivery.

Dr. Mo­hammad-Ali Shah­bazi
Dr. Yuan Xiong
Guest Editors

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Keywords

  • nano-reinforced injectable hydrogel
  • physically crosslinked hydrogel
  • chemically crosslinked hydrogel
  • photothermal hydrogel
  • cell delivery
  • controlled drug release
  • pH responsive
  • enzyme responsive
  • temperature responsive
  • wound healing
  • bone repair
  • combined therapy
  • heart regeneration
  • muscle regeneration
  • cartilage repair
  • theranostic hydrogel
  • local therapy
  • long-term drug release
  • chemotherapy
  • immunotherapeutic injectable hydrogel
  • ultrasound-based therapy
  • anti-inflammatory injectable hydrogel

Published Papers (1 paper)

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Review

24 pages, 3582 KiB  
Review
Synthesis and Properties of Injectable Hydrogel for Tissue Filling
by Chunyu Xie, Ga Liu, Lingshuang Wang, Qiang Yang, Fuying Liao, Xiao Yang, Bo Xiao and Lian Duan
Pharmaceutics 2024, 16(3), 430; https://doi.org/10.3390/pharmaceutics16030430 - 21 Mar 2024
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Abstract
Hydrogels with injectability have emerged as the focal point in tissue filling, owing to their unique properties, such as minimal adverse effects, faster recovery, good results, and negligible disruption to daily activities. These hydrogels could attain their injectability through chemical covalent crosslinking, physical [...] Read more.
Hydrogels with injectability have emerged as the focal point in tissue filling, owing to their unique properties, such as minimal adverse effects, faster recovery, good results, and negligible disruption to daily activities. These hydrogels could attain their injectability through chemical covalent crosslinking, physical crosslinking, or biological crosslinking. These reactions allow for the formation of reversible bonds or delayed gelatinization, ensuring a minimally invasive approach for tissue filling. Injectable hydrogels facilitate tissue augmentation and tissue regeneration by offering slow degradation, mechanical support, and the modulation of biological functions in host cells. This review summarizes the recent advancements in synthetic strategies for injectable hydrogels and introduces their application in tissue filling. Ultimately, we discuss the prospects and prevailing challenges in developing optimal injectable hydrogels for tissue augmentation, aiming to chart a course for future investigations. Full article
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