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Related Experiment Video

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Generation of Self-assembled Vascularized Human Skin Equivalents
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3D bioprinting-a model for skin aging.

Ryeim B Ansaf1, Rachel Ziebart2, Hemanth Gudapati3

  • 1Department of Biology, Colorado State University Pueblo, Pueblo, CO 81001, USA.

Regenerative Biomaterials
|July 28, 2023
PubMed
Summary
This summary is machine-generated.

As people live longer, developing reliable aged human skin models is crucial for drug testing. Three-dimensional bioprinting offers a promising solution for creating functional aged skin equivalents.

Keywords:
3D bioprintingagingbioinkregenerationskin

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Area of Science:

  • Regenerative Medicine
  • Biotechnology
  • Dermatology

Background:

  • Human lifespan is increasing, leading to a rise in age-related skin conditions.
  • Current animal models for drug testing do not accurately replicate human skin responses.
  • Developing a functional aged human skin model is challenging due to individual skin variability.

Purpose of the Study:

  • To review the process of human skin aging.
  • To outline the creation of an aged skin model using 3D bioprinting.
  • To discuss current bioprinted skin models and future research directions.

Main Methods:

  • Review of human skin aging processes.
  • Description of 3D bioprinting techniques for skin tissue engineering.
  • Utilizing skin cells like keratinocytes, fibroblasts, and melanocytes.

Main Results:

  • 3D bioprinting enables the creation of human skin equivalents.
  • Potential for developing functional aged skin models with sensation, vascularization, and regeneration.
  • Identified limitations of current bioprinted skin models.

Conclusions:

  • 3D bioprinting is a viable technology for creating aged human skin models.
  • These models can serve as clinical-grade surgical grafts and for drug testing.
  • Further research is needed to overcome limitations and enhance the functionality of bioprinted skin.