The role of the ATP-Binding Cassette A1 (ABCA1) in neurological disorders: A mechanistic review.

Publication date: Jul 10, 2023

Cholesterol homeostasis is critical for normal brain function. It is tightly controlled by various biological elements. ATP-binding cassette transporter A1 (ABCA1) is a membrane transporter that effluxes cholesterol from cells, particularly astrocytes, into the extracellular space. The recent studies pertaining to ABCA1’s role in CNS disorders were included in this study. In this comprehensive literature review, preclinical and human studies showed that ABCA1 has a significant role in the following diseases or disorders: Alzheimer’s disease, Parkinson’s disease, Huntington’s disease, multiple sclerosis, neuropathy, anxiety, depression, psychosis, epilepsy, stroke, and brain ischemia and trauma. ABCA1 via modulating normal and aberrant brain functions such as apoptosis, phagocytosis, BBB leakage, neuroinflammation, amyloid β efflux, myelination, synaptogenesis, neurite outgrowth, and neurotransmission promotes beneficial effects in aforementioned diseases. ABCA1 is a key molecule in the CNS. By boosting its expression or function, some CNS disorders may be resolved. In preclinical studies, liver X receptor agonists have shown promise in treating CNS disorders via ABCA1 and apoE enhancement.

Concepts Keywords
Alzheimer ABCA1
Amyloid Alzheimer’s disease
Atp Apoptosis
Expert Neuroinflammation
Homeostasis Neurological disorders


Type Source Name
disease MESH neurological disorders
drug DRUGBANK Cholesterol
disease MESH multiple sclerosis
disease MESH psychosis
disease MESH epilepsy
disease MESH stroke
disease MESH brain ischemia
pathway KEGG Apoptosis
disease MESH neuroinflammation

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