Research Article

Prevention of Osteoporosis in the Ovariectomized Rat by Oral Administration of a Nutraceutical Combination That Stimulates Nitric Oxide Production

Figure 6

Tartrate acid phosphatase (TRAP) staining in lumbar vertebrae. Five μm paraffin embedded sections of L4-5 vertebrae were stained with prewarmed TRAP staining solution, containing Fast Red Violet LB Salt and Naphthol AS‐MX Phosphate Substrate. Top Panel: representative images of positive trap cells in (a): SHAM, (b): OVX, (c): OVX+E2, and (d): OVX+COMB-4 after 100 days treatment. TRAP+ cells are stained in pink/violet. Sections were counterstained with hematoxylin to observe the cell nuclei. Magnification 400X; Bar: 50 um. Bottom Panel: number of TRAP-positive staining cells per field. p < 0.05 respect to SHAM, OVX+E2, OVX+COMB-4. n = 8 per group.