Quantitative and qualitative study in keratinocytes from foreskin in children: Perspective application in paediatric

J N McHeik1, C Barrault, F X Bernard

  • 1Chirurgie pédiatrique, Centre hospitalier universitaire de Poitiers, Avenue Jacques coeur, BP 577, 86021 Poitiers, France. j.mcheik@chu-poitiers.fr

Insights

Foreskin keratinocytes exhibit significant proliferative potential, offering a promising cell source for burn wound coverage. These cells can be expanded extensively before undergoing differentiation.

Area of Science:

  • Regenerative Medicine
  • Dermatology
  • Cell Biology

Background:

  • Keratinocytes are essential skin cells.
  • Foreskin tissue contains a valuable source of keratinocytes.

Purpose of the Study:

  • To evaluate the proliferative capacity and differentiation potential of pediatric foreskin keratinocytes.
  • To assess the feasibility of using these cells for regenerative purposes.

Main Methods:

  • Keratinocytes were isolated from 18 pediatric foreskins.
  • Cells were cultured on collagen lattices under submerged and air-liquid interface conditions.
  • Histological and immunohistologic analyses were performed to assess differentiation.

Main Results:

  • Enzymatic digestion yielded 11.4 million cells per foreskin.
  • A 10-day culture expanded 2 million cells to 24 million cells.
  • Cultured keratinocytes formed a neo-epidermis with characteristic differentiation markers.

Conclusions:

  • Pediatric foreskin keratinocytes possess high proliferative capacity.
  • These cells can be expanded extensively prior to differentiation.
  • Foreskin keratinocytes represent a potential cell source for burn wound coverage.
Abstract