Adipose-derived mesenchymal stromal (stem) cells differentiate to osteoblast and chrondroblast lineages upon incubation with conditioned media from dental pulp stem cell-derived osteoblasts and auricle cartilage chondrocytes

A. Carbone, M. Valente, Luigi Annacontini, S. Castellani, Saverio Gioia, Debor Paris, M. Rucci, G. Belgiovine, C. Colombo, A. Di Benedetto, G. Mori, Lorenzo Lo Muzio, A. Maiorella, A. Portincasa, M. Conese

Research output: Contribution to journalArticlepeer-review

Abstract

The potential of adipose-derived mesenchymal stromal (stem) cells (ADSCs) to differentiate into either osteoblasts or chondrocytes is controversial. In this study we investigated the multicapacity potential of ADSCs to differentiate towards adipocyte, osteoblast, and chondrocyte lineages when cells are seeded onto plastic in comparison with incubation with conditioned media (CM) obtained from differentiated cell types. ADSCs, obtained from liposuctions, were characterized for mesenchymal and hematopoietic markers by cytofliiorimetry. Their differentiation capacity towards adipocytes, osteoblasts, and chondrocytes was investigated by histochemistry methods (Oll-Red-O staining, Safranin () and Alizarin Red staining, respectively). Dental pulp stem cells (DPSCs) and dedifferentiated auricle derived-chondrocytes were differentiated towards osteoblastic and chondrocytic lineages respectively, and the CM obtained from these cultures was used to induce differentiation of ADSCs. ADSCs were positive for mesenchymal markers (CD29, CD 105, CD73, CD44), but not for hematopoietic lineage markers (CD 14, CD34, CD45), and this behavior was conserved from the isolation up to the fifth passage. While ADSCs were readily differentiated in adipocytes, they were not towards chrondrocytic and osteoblastic lineages, a behavior different from that of bone marrow-derived MSCs that differentiated into the three lineages at two weeks post-induction. Only ADSCs treated with CM from cultured chrondrocytes and DPSCs, produced glycosaminoglycans and mineralized matrix. These results indicate that ADSCs need growth/morphogenic factor supplementation from the tissue environment to be appropriately differentiated to mesudei uiic lineages.

Original languageEnglish
Pages (from-to)111-122
Number of pages12
JournalJournal of Biological Regulators and Homeostatic Agents
Volume30
Issue number1
Publication statusPublished - 2016

Keywords

  • Adipose derived stromal cell
  • Chondrocyte
  • Growth factors
  • Morphogenic factors
  • Osteoblast

ASJC Scopus subject areas

  • Medicine(all)

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