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Graphene-based 2D constructs for enhanced fibroblast support.

Ingrid Safina1, Shawn E Bourdo1, Karrer M Algazali1

  • 1Center for Integrative Nanotechnology Sciences, University of Arkansas at Little Rock, Little Rock, AR, United States of America.

Plos One
|May 19, 2020
PubMed
Summary

Graphene and its derivatives show low toxicity and support skin cell growth, offering potential for advanced wound healing and skin regeneration applications. These materials could be key in developing new composite materials for regenerative medicine.

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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Materials Science

Background:

  • Complex skin wounds pose significant global health and economic challenges.
  • Poorly healing wounds can lead to severe complications, including amputation and mortality.
  • Advanced skin grafts are needed for effective treatment and tissue regeneration.

Purpose of the Study:

  • To investigate pristine graphene and its oxygen-functionalized derivatives as substrates for skin cell growth.
  • To assess the impact of graphene's surface properties on skin cell proliferation and differentiation.
  • To evaluate the potential of graphene-based materials in skin regeneration.

Main Methods:

  • Utilized BJ cells (human foreskin-derived fibroblasts) as a model for skin cells.
  • Examined pristine graphene and two oxygen-functionalized graphene films (high and low oxygen).
  • Assessed cell proliferation, differentiation, and cytotoxicity on graphene substrates.

Main Results:

  • Oxygen functionalization of graphene did not significantly affect skin cell proliferation and maturation.
  • Pristine and oxidized graphenes exhibited low cytotoxicity towards BJ fibroblasts.
  • Graphene substrates supported the growth and bioactivity of skin cells.

Conclusions:

  • Graphene films, both pristine and oxidized, are suitable substrates for skin cell growth.
  • These findings support the potential integration of graphene into complex skin regenerative systems.
  • Graphene's functionalizability offers opportunities for developing novel composite materials for skin regeneration.