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Chronic Fatigue Syndrome: A Condition That Drains All The Energy From The Body
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Chronic Fatigue Syndrome: A Condition That Drains All The Energy From The Body

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Highlights
  • Chronic fatigue syndrome (CFS) is the feeling that the body is drained of energy.
  • Though previously claimed to be a psychological fact, research has found that it is a biological condition.
  • There is still an incredible amount of work to be done in teasing apart the details on this disease.

The feeling that the body is drained of energy is actually a medical condition called chronic fatigue syndrome (CFS) and is closely associated to myalgic encephalomyelitis (ME).

For half a century researchers have debated underlying mechanisms of the syndrome, leading many to speculate whether it has a psychological basis.

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Chronic Fatigue Syndrome: A Condition That Drains All The Energy From The Body

To some, this sounds awful like CFS is 'all in the mind', making it feel like weak willpower rather than something rooted in biology. Poorly conducted studies have made a mess of recommended treatments in recent years, continuing to leave those suffering from CFS with a stigma and few options. 

Metabolic Differences in CFS

A research team from Newcastle University in the UK investigated how white blood cells taken from healthy patients differed to those taken from individuals with a history of CFS.
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For one of the scientists involved, it was more than just an academic question. Biomedical researcher and PhD student Cara Tomas knows from personal experience what the condition is capable of, and how often it is seen as poor mental health.

There is a clear metabolic difference between the peripheral blood mononuclear cells (PBMCs) in individuals with CFS and healthy controls.

Researchers looked specifically at the metabolic processes of oxidative phosphorylation and glycolysis - two ways cells break apart chemical fuel to transfer energy into respiration.

White blood cells taken from 52 patients with CFS and 35 controls were put through their paces under optimal and stressful conditions, testing their capacity to deal with low oxygen levels.

There appeared to be a number of key differences in their metabolic processes. But none were as dramatic as the contrast in maximum levels of respiration.

By forcing the cells to boost their energy production, the researchers found those with CFS could only squeeze about another 50 percent from their cells - unlike the controls, who nearly doubled their output.

"The CFS cells couldn't produce as much energy as the control cells," says Tomas. "At baseline, they didn't perform as well, but the maximum they could reach under any conditions was so much lower than the controls."

While the research focused on just one type of cell, it is an important step towards establishing a link between the symptoms of muscle pain, lethargy, and impeded cognitive functions and a biochemical process.

There is still an incredible amount of work to be done in teasing apart the details on this disease, which tends to affect women more than men and could strike up to 2.6 percent of the world's population.

There remains ongoing debate over whether CFS should include myalgic encephalomyelitis, or if they represent completely different conditions.

Reference
  1. Cara Tomas , Audrey Brown, Victoria Strassheim, Joanna Elson, Julia Newton, Philip Manning. 'Cellular bioenergetics is impaired in patients with chronic fatigue syndrome' . Plos One (2017). https:doi.org/10.1371/journal.pone.0186802.


Source: Medindia

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