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Rare genetic variants may enhance migraine treatment effectiveness, study finds

  • 2 Min To Read
  • 7 months ago

A recent analysis of 1.3 million people's genomes has revealed several genetic variations associated with migraines, potentially leading to more effective treatments for the condition. Migraines affect up to 20% of adults worldwide and can be recurrent and debilitating. Some individuals experience sensory symptoms before the onset of a headache, while others do not. The reasons for the existence of these two types of migraines, known as with or without aura, remain unknown.

Researchers from deCODE genetics, a biopharmaceutical company in Iceland, analyzed the DNA of individuals from Iceland, Denmark, the UK, the US, and Norway, with around 80,000 participants experiencing migraines. They identified 44 gene variants associated with migraines, including 12 that had not been previously described. One rare variant of the PRRT2 gene, involved in regulating signaling between neurons, was found to correlate with a high risk of migraine with aura and epilepsy. On the other hand, rare variants that suppress the function of the SCN11A and KCNK5 genes, which play a role in transporting sodium and potassium between cells, respectively, appear to protect against both types of migraines.

These findings may pave the way for new treatments that target the underlying causes of migraines. For example, drugs that inhibit the production of proteins coded by the SCN11A and KCNK5 genes could be developed. Current treatments for migraines do not fully eliminate the tendency to develop migraines, so there is significant room for improvement.

The researchers believe that these discoveries offer hope for individuals who suffer from migraines. However, there is still much to learn about the mechanisms of migraines and how to tailor treatment for each patient. Despite recent advancements in migraine care, further research is needed to fully understand this condition.

In conclusion, the identification of genetic variations associated with migraines through genome analysis could lead to more effective treatments for this debilitating condition. Further research is needed to better understand the underlying mechanisms of migraines and develop personalized treatment options for patients.

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