Autologous, Non-Invasively Available Mesenchymal Stem Cells from the Outer Root Sheath of Hair Follicle Are Obtainable by Migration from Plucked Hair Follicles and Expandable in Scalable Amounts

Hanluo Li, Federica Francesca Masieri, Marie Schneider, Tina Kottek, Sebastian Hahnel, Kensuke Yamauchi, Danilo Obradović, Jong Keun Seon, Sook Jung Yun, Rubén A. Ferrer, Sandra Franz, Jan Christoph Simon, Bernd Lethaus, Vuk Savković

Research output: Contribution to journalArticlepeer-review

Abstract

BACKGROUND: Regenerative therapies based on autologous mesenchymal stem cells (MSC) as well as stem cells in general are still facing an unmet need for non-invasive sampling, availability, and scalability. The only known adult source of autologous MSCs permanently available with no pain, discomfort, or infection risk is the outer root sheath of the hair follicle (ORS). METHODS: This study presents a non-invasively-based method for isolating and expanding MSCs from the ORS (MSCORS) by means of cell migration and expansion in air-liquid culture. RESULTS: The method yielded 5 million cells of pure MSCORS cultured in 35 days, thereby superseding prior art methods of culturing MSCs from hair follicles. MSCORS features corresponded to the International Society for Cell Therapy characterization panel for MSCs: adherence to plastic, proliferation, colony forming, expression of MSC-markers, and adipo-, osteo-, and chondro-differentiation capacity. Additionally, MSCORS displayed facilitated random-oriented migration and high proliferation, pronounced marker expression, extended endothelial and smooth muscle differentiation capacity, as well as a paracrine immunomodulatory effect on monocytes. MSCORS matched or even exceeded control adipose-derived MSCs in most of the assessed qualities. CONCLUSIONS: MSCORS qualify for a variety of autologous regenerative treatments of chronic disorders and prophylactic cryopreservation for purposes of acute treatments in personalized medicine.

Original languageEnglish
JournalCells
Volume9
Issue number9
DOIs
Publication statusPublished - 2020 Sep 10

Keywords

  • adipose tissue
  • cell therapy
  • differentiation
  • hair follicle
  • mesenchymal stem cells
  • non-invasive
  • regenerative medicine

ASJC Scopus subject areas

  • Medicine(all)

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