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'Switch' to turn off inflammation discovered

Press Trust of India  |  Melbourne 

Scientists have discovered a process that could be the key to stopping damage caused by uncontrolled in a range of including disease, and

The researchers at University of (UQ) in have uncovered how an process automatically switches off in healthy cells, and are now investigating ways to stop it manually when it goes awry.

"Now that we understand how this pathway naturally turns off in health, we can investigate why it does not turn off in - so it is very exciting," said UQ

She focused on inflammasomes, which are machine-like protein complexes at the heart of and

"These complexes form when an infection, or other disturbance is detected by the immune system, and they send messages to immune cells to tell them to respond," Schroder said.

"If the disturbance can not be cleared, such as in the case of amyloid plaques in Alzheimer's, these molecular machines continue to fire, resulting in neurodegenerative damage from the sustained inflammation," she said.

The team, led by Dave Boucher, discovered that inflammasomes normally work with an in-built timer switch, to ensure they only fire for a specific length of time once triggered.

"The inflammasome initiates the inflammation process by activating a protein that functions like a pair of scissors, and cuts itself and other proteins," Schroder said.

"What we have found is that after a period of time this protein cuts itself a second time to turn off the pathway, so if we can tweak this system we may be able to turn it off manually in disease," she said.

laboratory has begun studying the inflammasome in fatty disease, a rapidly growing issue due to the increasing global incidence of and

Compounds to block inflammasome have been developed by researchers including Schroder, and are being commercialised by start-up company Inflazome Ltd, researchers said.

(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

First Published: Wed, February 07 2018. 18:10 IST