To date, over 110 different mutations in SOD1 have been linked with the disorder, some of which (such as H46R) have a very long clinical course, while others, such as A4V, are exceptionally aggressive.
到目前为止，超过110种不同的SOD1突变已被发现与代谢失调相关，其中一些（如H46R）有一个很长的临床过程；而另一些则异常迅猛，如A4V。