Characterization of Mononucleated Human Peripheral Blood Cells

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Abstract
Unspecialized cells that can renew themselves and give rise to multiple differentiated cell types are termed stem cells. The objective of this study was to characterize and investigate, through molecular and biochemical analyses, the stemness of cells derived from isolated mononucleated cells that originated from peripheral blood. The isolated mononucleated cells were separated according to their physical characteristics (adherent and suspension), after 4 to 7 days into a 14-day culturing period in complete medium. Our results revealed that adherent and suspension cells were positive for mesenchymal stem cell (MSC) and hematopoietic stem cell (HSC) markers, respectively. Differentiation of adherent cells into osteoblasts was associated with expression of theOPNgene and increasing ALP enzyme activity, while differentiation of suspension cells into osteoclasts was associated with expression of theTRAPgene and increasing TRAP enzyme activity. In conclusion, molecular and biochemical analyses showed that mononucleated cells consist of MSC (adherent) and HSC (suspension), and both cell types are able to differentiate into specialized cells from their respective lineage: osteoblast (MSC) and osteoclast (HSC).
Funding Information
  • Ministry of Higher Education, Malaysia (UKM-ST-06-FRGS0099-2009, UKM-ST-08-FRGS0004–2010, 09-05-MGI-GMB002, UKM-GUP-BTK-07–15-197)
  • Ministry of Higher Education, Malaysia (UKM-ST-06-FRGS0099-2009, UKM-ST-08-FRGS0004–2010, 09-05-MGI-GMB002, UKM-GUP-BTK-07–15-197)
  • Ministry of Science, Technology and Innovation, Malaysia (UKM-ST-06-FRGS0099-2009, UKM-ST-08-FRGS0004–2010, 09-05-MGI-GMB002, UKM-GUP-BTK-07–15-197)
  • Universiti Kebangsaan Malaysia (UKM-ST-06-FRGS0099-2009, UKM-ST-08-FRGS0004–2010, 09-05-MGI-GMB002, UKM-GUP-BTK-07–15-197)

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