ABCA1 (clone: HJ1), Antibody

For Research Use Only. Not for use in diagnostic procedures.

Protein G Purified - Liquid

Small volumes of anti-ABCA1 antibody vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

Antibodies; Neurodegenerative Disease; ABCA1

Western Blot (WB)

254,302 Da

ATP binding cassette subfamily A member 1

ATP-binding cassette sub-family A member 1

ATP-binding cassette sub-family A member 1

ABC1; CERP; ABC-1; ATP-binding cassette 1  [Similar Products]

ABCA1_HUMAN

The membrane-associated protein encoded by this gene is a member of the superfamily of ATP-binding cassette (ABC) transporters. ABC proteins transport various molecules across extra- and intracellular membranes. ABC genes are divided into seven distinct subfamilies (ABC1, MDR/TAP, MRP, ALD, OABP, GCN20, White). This protein is a member of the ABC1 subfamily. Members of the ABC1 subfamily comprise the only major ABC subfamily found exclusively in multicellular eukaryotes. With cholesterol as its substrate, this protein functions as a cholesteral efflux pump in the cellular lipid removal pathway. Mutations in this gene have been associated with Tangier's disease and familial high-density lipoprotein deficiency. [provided by RefSeq, Jul 2008]

ABCA1: an ATP-binding cassette (ABC) transporter that regulates cholesterol homeostasis and insulin secretion in beta-cells, and protects against cardiovascular disease. Inactivation of ABCA1 in beta-cells markedly impairs glucose tolerance and insulin secretion in mice. Rosiglitazone, an activator of the peroxisome proliferator-activated receptor-gamma, upregulates ABCA1 in beta-cells. ABCA1 expression in beta-cells is required for the beneficial effects of rosiglitazone on glucose tolerance. Mediates the transport of cholesterol and phospholipids from cells to HDL apolipoproteins, modulating HDL levels and atherogenesis. Induced by bacterial lipopolysaccharides (LPS) and repressed by ZNF202. Phosphorylation on Ser-2054 regulates phospholipid efflux. Unsaturated fatty acids destabilize ABCA1 by activating a PKC-delta pathway that phosphorylates ABCA1 serines. Defects in ABCA1 are a cause of high density lipoprotein deficiencies.

Protein type: Transporter, ABC family; Membrane protein, multi-pass; Transporter; Vesicle; Membrane protein, integral

Chromosomal Location of Human Ortholog: 9q31.1

Cellular Component: Golgi apparatus; endocytic vesicle; perinuclear region of cytoplasm; integral to plasma membrane; plasma membrane; phagocytic vesicle; lipid raft; external side of plasma membrane

Molecular Function: apolipoprotein A-I receptor activity; ATPase activity; cholesterol binding; apolipoprotein binding; ATPase binding; apolipoprotein A-I binding; small GTPase binding; protein binding; syntaxin binding; phospholipid transporter activity; cholesterol transporter activity; phospholipid binding; anion transmembrane transporter activity; ATP binding; receptor binding

Biological Process: response to drug; cholesterol metabolic process; regulation of Cdc42 protein signal transduction; intracellular cholesterol transport; cholesterol efflux; lipoprotein metabolic process; cellular lipid metabolic process; endosome transport; phospholipid translocation; G-protein coupled receptor protein signaling pathway; cholesterol homeostasis; reverse cholesterol transport; phospholipid efflux; platelet dense granule organization and biogenesis; lysosome organization and biogenesis; response to low density lipoprotein stimulus; positive regulation of cAMP biosynthetic process; protein amino acid lipidation; interleukin-1 beta secretion; phagocytosis, engulfment; response to nutrient; peptide secretion; phospholipid homeostasis

Disease: Hypoalphalipoproteinemia, Primary; Tangier Disease; Hypercholesterolemia, Familial

Wahrle SE, Jiang H, Parsadanian M, Legleiter J, Han X, Fryer JD, Kowalewski T, and Holtzman DM (2004). ABCA1 is Required for Normal Central Nervous System ApoE Levels and for Lipidation of Astrocyte-secreted apoE. J Biol. Chem. 279(39):40987.

Wahrle SE, Jiang H, Parsadanian M, Hartman RE, Bales KR, Paul SM and Holtzman DM (2005). Deletion of Abca1 Increases Abeta Deposition in the PDAPP Transgenic Mouse Model of Alzheimer Disease. J. Biol. Chem. 280(52):43236.

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