In order to ascertain whether FAK, Src, ERK1/2, PPARγ, C21orf34 (miR-125b host gene), Stat3 and E-cadherin were differentially expressed in human melanoma tissues, we firstly analyzed their mRNA levels in melanoma cancer using Oncomine Cancer Microarray database (www.oncomine.org). Here, PTK2 is linked to melanoma.