The defects that contribute to this problem could occur in the genes that code for those proteins or in other genes that regulate the manufacture or maintenance of elastin and collagen.

• 造成这种问题的缺失，可能发生在负责制造这些蛋白质的基因，或是其他负责调节弹性素及胶原蛋白的制造及维护的基因。