KLF4（Kruppel like factor 4），癌症关联基因，基因ID：9314，这个基因编码一种属于kruppel转录因子家族的蛋白质。编码的锌指蛋白是皮肤屏障功能正常发育所必需的。编码蛋白被认为通过介导抑癌基因p53来控制dna损伤后细胞周期的g1-s转换。缺乏这种基因的小鼠外观正常，但体重迅速下降，出生后不久由于表皮屏障功能受损导致液体蒸发而死亡。选择性剪接导致编码不同亚型的多个转录变体。[由RefSeq提供，2015年9月]This gene encodes a protein that belongs to the Kruppel family of transcription factors. The encoded zinc finger protein is required for normal development of the barrier function of skin. The encoded protein is thought to control the G1-to-S transition of the cell cycle following DNA damage by mediating the tumor suppressor gene p53. Mice lacking this gene have a normal appearance but lose weight rapidly， and die shortly after birth due to fluid evaporation resulting from compromised epidermal barrier function. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq， Sep 2015]。