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Advances in Engineered Three-Dimensional (3D) Body Articulation Unit Models.

Ying Chen1,2, Ying Wang3,4, Sheng-Chang Luo1,2

  • 1Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, 361021, Fujian, People's Republic of China.

Drug Design, Development and Therapy
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Summary
This summary is machine-generated.

Engineered 3D joint models offer promising solutions for tissue regeneration and drug screening, addressing limitations of current treatments for joint diseases like osteoarthritis and rheumatoid arthritis.

Keywords:
3D modelsarticulation diseasebioprintingdrug screeningtissue regeneration

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Area of Science:

  • Biomedical Engineering
  • Regenerative Medicine
  • Musculoskeletal Research

Background:

  • Body joints (articulation units) are crucial for musculoskeletal flexibility but susceptible to diseases like osteoarthritis (OA) and rheumatoid arthritis (RA).
  • Current treatments using anti-inflammatory and analgesic drugs have limitations including high cost and poor recovery outcomes.
  • Novel strategies are needed to overcome these limitations for effective joint disease management and repair.

Purpose of the Study:

  • To review engineering strategies for fabricating 3D articulation unit models.
  • To discuss challenges in biomaterial selection, model construction, architectural design, and culture conditions.
  • To highlight the potential of these models for tissue regeneration and drug development.

Main Methods:

  • Exploration of biomaterial selection (natural and synthetic).
  • Analysis of 3D articulation model construction techniques (scaffold-free, scaffold-based, organ-on-a-chip).
  • Review of architectural designs (microfluidics, bioprinting, electrospinning, biomineralization) and culture conditions (growth factors, active peptides).

Main Results:

  • Engineered 3D articulation models present viable alternatives for local joint repair and tissue regeneration.
  • These models facilitate high-throughput screening for drug development, offering a more efficient approach.
  • Challenges in biomaterial choice, model fabrication, and long-term model activity for clinical application are identified.

Conclusions:

  • 3D articulation unit models are emerging as powerful tools for both regenerative medicine and pharmaceutical research.
  • Addressing challenges in model design and long-term functionality is critical for successful clinical translation.
  • Further research is needed to optimize these in vitro models for sustained high activity and clinical efficacy.