WNT5A and periodontitis: Irrespective of the overall diagnosis of each patient, total amounts of WNT-5a was similarly high in periodontitis sites (2.37 ± 1.31 ng) and healthy sites (2.04 ± 1.18 ng) while lower in gingivitis sites (1.36 ± 0.67 ng) (p = 0.03) (Figure 2A).