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- Title
Is cholesterol both the lock and key to abnormal transmembrane signals in Autism Spectrum Disorder?
- Authors
Lingwood, Clifford
- Abstract
Disturbances in cholesterol homeostasis have been associated with ASD. Lipid rafts are central in many transmembrane signaling pathways (including mTOR) and changes in raft cholesterol content affect their order function. Cholesterol levels are controlled by several mechanisms, including endoplasmic reticulum associated degradation (ERAD) of the rate limiting HMGCoA reductase. A new approach to increase cholesterol via temporary ERAD blockade using a benign bacterial toxin-derived competitor for the ERAD translocon is suggested. A new lock and key model for cholesterol/lipid raft dependent signaling is proposed in which the rafts provide both the afferent and efferent 'tumblers' across the membrane to allow 'lock and key' receptor transmembrane signals.
- Subjects
CELLULAR signal transduction; AUTISM spectrum disorders; CHOLESTEROL; BACTERIAL toxins; MEMBRANE lipids; LIPID rafts; ENDOPLASMIC reticulum
- Publication
Lipids in Health & Disease, 2024, Vol 23, Issue 1, p1
- ISSN
1476-511X
- Publication type
Article
- DOI
10.1186/s12944-024-02075-3