text: （一）联合免疫缺陷病（表17-17）表17-3联合免疫缺陷病续表注：↓下降，→正常，↘逐渐下降，XL：X连锁遗传，AR：常染色体隐性遗传，ADA：腺苷脱氨酶，RAG：重组活化基因联合免疫缺陷病（combinedimmunodeficiency）该组疾病中T和B细胞均可能有明显缺陷，临床表现为婴儿期严重致死性感染，细胞免疫和抗体反应均缺陷外周血淋巴细胞减少T淋巴细胞为主。
entities.entity: 联合免疫缺陷病
entities.label: dis
entities.entity: 联合免疫缺陷病
entities.label: dis
entities.entity: X连锁
entities.label: bod
entities.entity: 常染色体
entities.label: bod
entities.entity: ADA
entities.label: bod
entities.entity: 腺苷脱氨酶
entities.label: bod
entities.entity: RAG
entities.label: bod
entities.entity: 重组活化基因
entities.label: bod
entities.entity: 联合免疫缺陷病
entities.label: dis
entities.entity: combinedimmunodeficiency
entities.label: dis
entities.entity: B细胞
entities.label: bod
entities.entity: 婴儿期严重致死性感染
entities.label: dis
entities.entity: 细胞
entities.label: bod
entities.entity: 抗体
entities.label: bod
entities.entity: 细胞免疫和抗体反应均缺陷
entities.label: sym
entities.entity: 血淋巴细胞
entities.label: bod
entities.entity: 外周血淋巴细胞减少
entities.label: sym
entities.entity: T淋巴细胞
entities.label: bod