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Related Concept Videos

Site-Targeted Drug Delivery Systems: Polymeric Carriers01:24

Site-Targeted Drug Delivery Systems: Polymeric Carriers

Polymeric carriers enhance targeted drug delivery by increasing efficacy while minimizing off-target effects. These carriers comprise a biodegradable polymeric backbone integrated with functional elements that enable targeting, improve physicochemical properties, and regulate drug release.Targeting MechanismsThe targeting ability of polymeric carriers is mediated by a homing device, which is a molecular recognition component designed to selectively bind to specific tissues or cells. Monoclonal...
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Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.

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Easy Manipulation of Architectures in Protein-based Hydrogels for Cell Culture Applications
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Advances in bioinspired polymer hydrogel systems with biomedical functionalities.

Kazuhiko Ishihara1

  • 1Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan.

Science and Technology of Advanced Materials
|March 11, 2025
PubMed
Summary
This summary is machine-generated.

Bioinspired hydrogels mimic cell functions for advanced medical technologies. These smart materials offer self-regulated insulin release and controlled cell culture environments, paving the way for new tissue engineering applications.

Keywords:
Stimuli-responsive hydrogelcell encapsulationcytocompatibilitydrug delivery systemtissue engineering

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Area of Science:

  • Biomaterials Science
  • Biomedical Engineering
  • Polymer Chemistry

Background:

  • Bioinspiration and biomimetics are increasingly used to design functional molecules and materials.
  • Cellular stimuli-responsiveness is a key area for developing advanced hydrogels.
  • Existing hydrogels show promise for applications like self-regulated insulin delivery.

Purpose of the Study:

  • To review research on hydrogels inspired by cellular stimuli-responsiveness.
  • To explore the design and application of glucose-responsive hydrogels.
  • To highlight the potential of these hydrogels in medical technologies and tissue engineering.

Main Methods:

  • Design of polymer hydrogels utilizing bioactive molecules (enzymes, lectins) for glucose sensing.
  • Development of synthetic glucose-responsive hydrogels using phenylboronic acid and hydroxyl group polymers.
  • Investigation of hydrogel properties for controlled cell proliferation, differentiation, and retrieval.

Main Results:

  • Various polymer hydrogels have been engineered to sense glucose concentrations for insulin release.
  • A synthetic hydrogel system demonstrates reversible bonding with sugars, enabling tunable properties.
  • Encapsulated cells show controlled proliferation and differentiation within the hydrogel matrix.
  • Safe retrieval of cells is achievable through sugar-induced hydrogel dissociation.

Conclusions:

  • Bioinspired polymer hydrogels offer significant potential for medical advancements.
  • Applications include controlled release of bioactive molecules and sophisticated cell culture matrices.
  • These hydrogels are crucial for developing layered and 3D cell culture systems for tissue engineering.