They may look and act like natural human cell membranes but the synthetic cell membranes invented by A*STAR's IMRE have more advantages. IMRE's patented synthetic cell membranes can be made-to-order, are easier to maintain in a laboratory environment and do not require the lengthy preparation that comes with working on live cell membranes. The synthetic cell membranes mimic the natural functions of cell membranes, such as interacting with drug molecules and antibodies, which is crucial in the drug discovery process. The innovation also provides a more stable membrane model for a better understanding of the mechanisms of diseases that affect human cells.
A team of researchers led by IMRE's Dr. Madhavan Nallani successfully used synthetic materials to mimic biological processes. "We have harnessed natural cellular processes to fabricate a simple yet functional system using engineered materials to mimic the cell membrane and its proteins," said Dr. Nallani, the IMRE scientist who invented the synthetic cell membranes. "These artificial cell membranes allow researchers to study interactions between membrane proteins, drugs and other compounds without the hassle of using living materials."
"Cells communicate with each other through membrane proteins. The disruption of this communication mechanism causes diseases like cancer, diabetes and even Parkinson's disease. Understanding the workings of membrane proteins is very crucial in creating medicines to combat these diseases," explained Professor Eva Sinner, a visiting scientist at IMRE who works on biomaterials and is involved in the project.
Current methods of drug testing require living cells, which entail high capital and maintenance costs, as well as specialists to operate sophisticated equipment. IMRE's patented synthetic cell membranes, which are essentially membrane proteins inserted into a stable polymer matrix outside a cellular environment, creates a platform for researchers to work on that both simple to use and easy to maintain.
"This innovation is a classic example of how materials R&D can be applied to biomedical technologies," said Professor Andy Hor, Executive Director of IMRE. "The success of this technology will be a great boost in helping create better drugs faster and more cost effectively."
Dr. Nallani is currently looking for partners to commercialize the technology. The invention has direct impact and application in fields like drug discovery, antibody and therapeutics development, and drug delivery, which are collectively worth some US$170 billion dollars.
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