United Kingdom: ME Research UK (MERUK) News

Altered neurometabolite levels in the brains of people with ME/CFS​

13 August 2025
Kiana Kothe is a PhD student working with Prof. Zack Shan at the University of the Sunshine Coast on an ME Research UK-funded project using magnetic resonance imaging to investigate brain neuroinflammation in ME/CFS.

Kiana recently presented some of her initial results at the annual conference of the Organisation for Human Brain Mapping in June 2025, which was attended by more than 2,000 neuroimaging researchers, and she is currently preparing a research paper reporting her findings. Kiana very kindly recorded a video of her presentation for us, showing her results so far.

In brief, Kiana used previously collected magnetic resonance spectroscopy images to assess levels of a number of neurometabolites in the brains of 48 people with ME/CFS and 52 healthy controls. Neurometabolites are the products of metabolism in the brain, and indicate neural activity.

Of the five metabolites she analysed, levels of two of them were significantly altered in people with ME/CFS compared with healthy controls.

Specifically, glutamine/glutamate concentrations were increased in ME/CFS, while total choline levels were decreased, and these findings suggest the involvement of excitotoxicity (damage to nerve cells), abnormal cellular membrane turnover and neuroinflammatory activation.

In short, these findings provide evidence of neuroinflammation in ME/CFS, and Kiana and the team next plan to track how these neurometabolites change over time while the participants perform cognitive tasks.
 

Altered neurometabolite levels in the brains of people with ME/CFS​

13 August 2025
Kiana Kothe is a PhD student working with Prof. Zack Shan at the University of the Sunshine Coast on an ME Research UK-funded project using magnetic resonance imaging to investigate brain neuroinflammation in ME/CFS.

Kiana recently presented some of her initial results at the annual conference of the Organisation for Human Brain Mapping in June 2025, which was attended by more than 2,000 neuroimaging researchers, and she is currently preparing a research paper reporting her findings. Kiana very kindly recorded a video of her presentation for us, showing her results so far.

In brief, Kiana used previously collected magnetic resonance spectroscopy images to assess levels of a number of neurometabolites in the brains of 48 people with ME/CFS and 52 healthy controls. Neurometabolites are the products of metabolism in the brain, and indicate neural activity.

Of the five metabolites she analysed, levels of two of them were significantly altered in people with ME/CFS compared with healthy controls.

Specifically, glutamine/glutamate concentrations were increased in ME/CFS, while total choline levels were decreased, and these findings suggest the involvement of excitotoxicity (damage to nerve cells), abnormal cellular membrane turnover and neuroinflammatory activation.

In short, these findings provide evidence of neuroinflammation in ME/CFS, and Kiana and the team next plan to track how these neurometabolites change over time while the participants perform cognitive tasks.
Apologies, if this is a stupid question. But could an elevated glutamine level explain why I responded very badly to taking l-glutamine?
 
ME Research UK and the Daphne Jackson Trust are delighted to announce that they have awarded a Fellowship to Dr Alkisti Manousaki at the University of Leicester, for a project investigating the genetic and cellular clues that may explain why ME/CFS affects more women than men.

This Daphne Jackson Trust Fellowship is jointly funded by ME Research UK and the Medical Research Council. The Daphne Jackson Trust is dedicated to supporting research returners. ME Research UK is a charity which commissions and funds high-quality scientific (biomedical) investigation into the causes, consequences and treatment of ME/CFS.

Read more: https://bit.ly/manousaki001

"It is such a privilege to work with funders like ME Research UK to help people return to their research careers. Our funders make these fellowships possible. When combined with the unique structure, retraining, and mentorship provided by the Daphne Jackson Trust, our funders truly do help transform lives and careers.” Elaine Hunt, Fellowship Officer, The Daphne Jackson Trust

“It is an honour to return to research with the support of ME Research UK, MRC UKRI and the Daphne Jackson Trust. ME/CFS remains a deeply misunderstood condition, and I am passionate about using my skills in genetics and cell biology to uncover answers that could make a real difference for people living with the illness.” Dr Alkisti Manousaki
 
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