METHODS:A mixed epidermal celllymphocyte culture reaction(MELR) was set up and an in vitro model of a microenvironment mimic to intermingled skingrafts was made so as to observate the immune response.

• 方法：建立烧伤患者外周血淋巴细胞与异体表皮细胞的微量混合培养（MELR）体系，并进一步模拟混合植皮时自体皮岛的局部免疫微环境，观察免疫反应。