A promising molecule has offered hope for a new treatment that could stop or slow Parkinson’s, something no treatment can currently do.

Researchers from the University of Helsinki found that molecule BT13 has the potential to both boost levels of dopamine, the chemical that is lost in Parkinson’s, as well as protect the dopamine-producing brain cells from dying.

The results from the study, co-funded by Parkinson’s UK and published online today in the journal Movement Disorders, showed an increase in dopamine levels in the brains of mice following the injection of the molecule. BT13 also activated a specific receptor in the mouse brains to protect the cells.

Typically, by the time people are diagnosed with Parkinson’s, they have already lost 70-80 per cent of their dopamine-producing cells, which are involved in coordinating movement.

While current treatments mask the symptoms, there is nothing that can slow down its progression or prevent more brain cells from being lost, and as dopamine levels continue to fall, symptoms get worse and new symptoms can appear.

Researchers are now working on improving the properties of BT13 to make it more effective as a potential treatment which, if successful, could benefit the 145,000 people living with Parkinson’s in the UK.

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Materials provided by Parkinson’s UK. Note: Content may be edited for style and length.