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(A) HBD-2 mRNA expression in human oral keratinocytes (NOKSI) and fibroblasts (HOF) following laser treatments assessed by quantitative real time PCR at 24hrs. (B) HBD-2 expression following dose dependent laser treatment in human oral fibroblasts. HBD-2 protein expressions following laser treatments by (C) Western blotting and (D) immunofluorescence. Statistical significance was determined using Mann-Whitney test or Kruskal-Wallis tests and denoted by *p<0.05 and **p<0.005.
