Central precocious puberty(CPP)is a common childhood sexual dysplasia,but its pathogenesis is not clear.The loss-of-function mutation of makorin ring finger protein-3(MKRN3)gene is an important factor,which is associated with central precocious puberty.MKRN3 owns higher incidence of precocious puberty in all related genes which have been identified.This article reviews the structure,mutations ...