Research Article

In Vitro Effects of Strontium on Proliferation and Osteoinduction of Human Preadipocytes

Figure 1

Observation in brightfield microscopy of PA20-h5 line after 0 days (a) and 35 (b) days of adipogenic induction. Cytochemical staining with Oil Red O; intracellular deposits of lipids stained in red; nuclei counterstained in blue-violet with hematoxylin (20x objective).
(a)
(b)