Related Experiment Video
Updated: Aug 9, 2025

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport
Published on: November 27, 2016
Biomedical Advances in ABCA1 Transporter: From Bench to Bedside
Hong Y Choi1, Senna Choi1, Iulia Iatan2
1Research Institute of the McGill University Health Centre, Montréal, QC H4A 3J1, Canada.
ATP-binding cassette transporter A1 (ABCA1) is key for high-density lipoprotein cholesterol (HDL-C) production. Therapies targeting ABCA1 for atherosclerotic cardiovascular disease (ASCVD) show promise but face challenges, necessitating further research.
Area of Science:
- Biochemistry
- Molecular Biology
- Cardiovascular Research
Background:
- ATP-binding cassette transporter A1 (ABCA1) deficiency causes Tangier disease, marked by low HDL-C and cholesterol accumulation.
- Low HDL-C and cholesterol buildup in arteries are linked to atherosclerosis and ASCVD.
- ABCA1 is crucial for generating HDL particles and removing cellular cholesterol.
Purpose of the Study:
- To review advances, challenges, and future directions in ABCA1-targeted therapies for ASCVD.
- To explore strategies for enhancing ABCA1 expression and activity.
- To identify novel therapeutic targets within the ABCA1-dependent HDL biogenesis pathway.
Main Methods:
- Literature review of pre-clinical and clinical studies on ABCA1-upregulating agents.
- Analysis of the ABCA1 regulatory system and HDL biogenesis.
- Discussion of challenges in current therapeutic approaches.
Main Results:
- Numerous ABCA1-upregulating agents have been developed with pre-clinical success.
- Clinical trials targeting ABCA1 for ASCVD have not yet met success.
- The complexity of ABCA1 regulation presents therapeutic challenges.
Conclusions:
- Despite challenges, ABCA1 remains a significant drug target for ASCVD.
- Improved understanding of ABCA1 regulation is needed for effective therapies.
- Novel strategies and targets are required to advance ABCA1-directed ASCVD treatments.
More Related Videos
06:19Author Spotlight: A Personalized Approach Towards Investigating Alzheimer's Disease Using an In Vitro Blood-Brain Barrier Model
Published on: October 20, 2023
06:47Author Spotlight: A Bicelle Crystallization Setup for ABC Transporter Membrane Proteins to Advance Drug Development
Published on: August 25, 2023
Related Concept Videos
ABC Transporters: Exporter
ABC Transporters: Importer
In bacteria, based on the number of transmembrane helices and the chemical nature of their substrates, the ABC importers can be divided into three types:
Carrier-Mediated Transport
Active transport involves two types of membrane-spanning transporters: uptake and efflux. Uptake transporters are expressed in the small...
Membrane Transporters
Transporters are mainly composed of alpha-helices, built from bundles of ten or more helices traversing the plasma membrane. The solute-binding sites are located midway, where some of the helices are broken or distorted, making space for the binding site through...
The Significance of Membrane Transport
Transporters facilitate either an active or passive movement of solutes. They can allow a single-molecule transport down its...
Active Transport
Primary active transporters, like Na+, K+ and -ATPase, directly utilize ATP to move ions across the membrane. These transporters play significant roles in various physiological processes. For instance, Na+, K+ and -ATPase maintain...