The rodent gene researchers investigated is the human homolog of ALAD gene, named DBA and C57, but it cannot precisely replicate the polymorphism of ALAD in humans.

• 将来的工作：有研究报道用大鼠模型研究铅生物蓄积的遗传易感性，但所用的大鼠基因只是人类ALAD基因的类似物，名为DBA和C57，这两种基因都不能准确代表人类ALAD基因及其多态性。