Researchers Develop Biosensor Technologies to Offer More Effective Approaches

Saturday, May 26, 2018 - 14:50

Researchers have been unable to see the whole picture when trying to understand what is going wrong on the surface of a biomembrane affected by disease. Now, new technology has opened up a new area of research that makes it possible to study how the biomembrane functions, including how it responds when a disease molecule attacks.

Monash Biomedicine Discovery Institute's Professor Mibel Aguilar leads a group that has pioneered the application of newly-developed biosensors, which can be used to study how the biomembrane responds to the binding of biomolecules. This technology makes it possible to study molecules whose effects are known to be linked to the interaction with a cell membrane, such as hormones and antibacterial agents, Phys.org reports.

"We can then design new molecules that help biomembranes resist disease molecule attacks or avoid unwanted side effects of a drug," Professor Aguilar said.

"We can also design other molecules that can enter and even destroy the biomembrane, such as agents that could preferentially kill invading organisms. This could be a useful way to design novel anti-infective drugs by selectively targeting unwanted invading cells," she said.

In a paper published today in Chemical Reviews, Professor Aguilar and her team provide the first authoritative review of the field of membrane-based optical biosensors and chart the development of biosensor technologies. The review also highlights the capabilities of these new biosensors, including the ability to measure how strongly and how rapidly something—like a disease—can bind to the biomembrane, and more importantly, the ability to allow researchers to observe how the biomembrane reacts when molecules bind to it and try to penetrate the cell.

"This technology will have significant impact on our ability to design more effective approaches to the treatment of diseases associated with membranes interactions, including cancer, cardiovascular disease and bacterial resistance," she said.

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