DQA?1 *0301 was probably the susceptible gene and DQB?1 *0602 the resistant gene for CLT, so both susceptability and resistance for CLT were present in HLA?DQ gene locus. ?

• HLA?DQA1?0301可能与CLT的易感性相关，而DQB1?0602可能与CLT的抗性相关，在HLA?DQ位点存在有易感及抗性的双重作用，等位基因之间的共同作用可能是影响CLT发生的重要因素之一。