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Accession IconGSE19950

Multinucleated Tartrate Resistant Acid Phosphatase Positive Cells with Macrophage and Osteoclast Phenotypes in Bone

Organism Icon Rattus norvegicus
Sample Icon 6 Downloadable Samples
Technology Badge Icon Affymetrix Rat Gene 1.0 ST Array (ragene10st)

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Description
Prothrombin (PT) and osteopontin (OPN) promotes adhesion of different TRAP-positive multinucleated cells isolated from rat long bone (Hu et al. Exp Cell Res. 2008; 314: 638-50). The PT-adhering cell could represent either an immature precursor to the OPN-adherent osteoclast or constitute a distinct multinucleated cell population with a unique role in bone. Herein, phenotypic differences between PT- and OPN- cells were investigated with microarray- expression analysis. Characteristic for PT-cells was expression of innate immune response genes and scavenger receptors whereas OPN-cells expressed typical osteoclast proteins such as collagenases implicated in bone degradation.
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