Endoplasmic reticulum protein retention and disturbed proteostasis is a common pathology for a subset of autism: evidence from mutations in GABAA receptors and GABA transporter 1 - PubMed Endoplasmic reticulum protein retention and disturbed proteostasis is a common pathology for a subset of autism: evidence from mutations in GABAA receptors and GABA transporter 1 - PubMed