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. 2013 Aug 12;8(8):e71592. doi: 10.1371/journal.pone.0071592

Figure 4. Effects of MTX with or without (FO) and/or genistein (Gen) supplementation on osteoclastogenesis potential.

Figure 4

Images of TRAP-stained tibial metaphysis (arrows pointing multinucleated TRAP-positive osteoclasts) of (A) a control rat and (B) a MTX alone treated rat on day 9 post the first MTX injection showing more osteoclasts present. (C) Average osteoclast numbers at tibial primary and secondary spongiosa. Images of TRAP positively-stained cells formed (arrows pointing multinucleated TRAP-positive osteoclast-like cells) in an ex vivo osteoclastogenesis assay of (D) a control rat and (E) a MTX alone treated rat on day 9 post the first MTX injection showing more osteoclasts formed. (F) Ex vivo osteoclast formation from bone marrow cells isolated from treated rats. Labelled means without a common letter differ (P<0.05).