SLC37A4-CDG: Mislocalization of the glucose-6-phosphate transporter to the Golgi causes a new congenital disorder of glycosylation
2020
Thorsten Marquardt | Vladimir Bzduch | Max Hogrebe | Stephan Rust | Janine Reunert | Marianne Grüneberg | Julien Park | Nico Callewaert | Robin Lachmann | Yoshinao Wada | Thomas Engel
Loss-of-function of the glucose-6-phosphate transporter is caused by biallelic mutations in SLC37A4 and leads to glycogen storage disease Ib. Here we describe a second disease caused by a single dominant mutation in the same gene. The mutation abolishes the ER retention signal of the transporter and generates a weak Golgi retention signal. Intracellular mislocalization of the transporter leads to a congenital disorder of glycosylation instead of glycogen storage disease.
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