[lizma]

sheds light on the cause of the disease and could provide clues to how to develop treatments or strategies to prevent the condition.

I don't see how. Why would knowing it to be genetic change anything as far as patient care goes?

[KeyWest]

Good question. In the short term, not much, but in the long term drugs can be developed to counter the gene by disabling it or its effects. Lots of that type work going on. Most of the problems are not is the gene but the proteins associated with them.