LPLD is caused by loss-of-function mutations in the LPL gene located on
human chromosome 8. The disorder is inherited in an autosomal recessive
manner. The LPL gene encodes for the enzyme, lipoprotein lipase, which
is important for the proper metabolism of triglycerides.
Both parents must carry a mutation in the LPL gene in order to produce a child who is affected by the disorder. Such parents are called carriers or heterozygotes. When two heterozygotes mate, there is a 25% (1 in 4) chance with each pregnancy that the child will inherit the disorder