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ABCA1 (ATP-binding cassette transporter ABCA1), also known as cholesterol efflux regulatory protein (CERP), is a membrane protein of 2261 amino acids. ABCA1 consists of two transmembrane domains of six alpha-helices and two intracellular nucleotide-binding domains, with two peptide motifs called Walker A and Walker B, which are present in many ATP-utilizing proteins.
Table 1: Characteristics and physiological roles of ABCA1
|Transporter||Chromosomal localization||Protein weight||Cellular localization||Physiological functions|
|ABCA1||9q31.1||254 kDa||Endoplasmic reticulum||Cholesterol efflux|
|Golgi apparatus||Phospholipid efflux|
ABCA1 is regulated by post-translational protein modifications and protein-protein interactions. The interaction of apoA-I with ABCA1 prevents phosphorylation of the PEST sequence in the cytoplasmic domain of ABCA1, thereby reducing the degradation of calpain proteolysis and increasing the surface expression of ABCA1. In addition, palmitoylation regulates the localization of ABCA1 in the plasma membrane and regulates its ability to efflux cholesterol.
Figure 1: Model of ABCA1-mediated lipid efflux from cells (Boadu, E. 2005).
Defects in ABCA1 may affect both serum HDL levels and overall cholesterol homeostasis. The ABCA1 mutations described so far may affect protein maturation, plasma membrane remodeling (lipase) activity, apoA-I binding, ATP hydrolysis activity or decreased cell surface apoA-I expansion activity levels.
Tangier disease caused by the deficiency of functional ABCA1 protein is a rare autosomal recessive disease. Currently, approximately 20 different mutations in the ABCA1 gene have been described, resulting in tangier disease-like phenotypes.
In addition, down-regulation of ABCA1 in senescent macrophages disrupts the ability of cells to remove cholesterol from the cytoplasm, leading to cells promoting pathological atherosclerosis (vascular thickening/hardening).
ABCA1 Gene Editing Service
CRISPR/Cas9 PlatformCB provides you with comprehensive CRISPR/Cas9 gene editing services and products to a wide range of genomics researchers. As a leading biotechnology company specializing in gene editing, we can help you effectively regulate your target genes editing (including deletion, insertion or point mutation, etc.) in vivo and in vitro using the CRISPR/Cas9 system.
Our scientists have extensive experience in incorporating CRISPR/Cas9 technology into >200 different cell lines including easy-to-transfect cell lines and hard-to-transfect cells. To support your research, we provide you with end-to-end ABCA1 gene editing service from strategy design to final stable cells.
Our ABCA1 gene editing cell line generation services include
➢ Strategy design
➢ gRNA design and synthesis, donor DNA design and synthesis (if needed)
➢ CRISPR/Cas9 vector construction
➢ Transfection into the cell lines you’re interested
➢ Select the high expression cells and sort monoclonal cell
➢ Validate the right edited monoclonal cells by PCR and sequencing
➢ Delivery the stable cells and a final report
Cell lines we offered
➢ Blood Lineage Cells (RAW264.7, HMC1.2, K562, U937 etc.)
➢ Cancer Cell Lines (HEK293, HEK293T, Hela, MCF7, Neuro2a, HepG2, U87, etc.)
➢ Stem Cells (iPSC)
➢ Other Cell Lines (NIH3T3, MCF10, HEME, SW10 etc.)
CRISPR/Cas9 PlatformCB also has successfully implemented CRISPR/Cas9 gene edited in animal models, which have been fully recognized by our clients. Tell us your needs, we offer you full-length ABCA1 CRISPR/Cas9 gene editing animal service and guarantee at least 2 founders or 3 F1 animals with shorter turnaround time and lower price.
Our ABCA1 gene editing animal model generation services include
➢ ABCA1 gene conventional knockout animals
➢ ABCA1 gene conditional knockout animals
➢ ABCA1 point mutation animals
➢ ABCA1 knockin animals
Alternative species: mouse, rat, rabbit, zebrafish, C. elegans, etc.
CRISPR/Cas9 PlatformCB has excellent quality management and quality assurance capabilities, providing the best gene editing services and products for academic research, biotechnology research, and drug discovery. We can adapt the solution to your detailed requirements from the early strategic design to the final model. We guarantee to provide our customers with excellent service. If you have any questions, please feel free to contact us.
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