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Two independent research teams have published findings suggesting that autoantibodies may be responsible for driving specific symptoms in a subset of long COVID patients. The studies, published in Cell and Cell Reports Medicine, provide evidence that these self-targeting antibodies can directly cause characteristic long COVID symptoms including pain, fatigue, and neurocognitive impairment. This research offers a potential mechanistic explanation for some manifestations of this complex, multi-system condition.
Why it matters
Identifying autoantibodies as a cause of long COVID symptoms in certain patients could enable targeted diagnostic testing and open pathways for specific treatments, such as immunomodulatory therapies already used for other autoimmune conditions. This mechanistic understanding may help stratify the heterogeneous long COVID patient population into subgroups that could benefit from different therapeutic approaches.
Long COVID is a heterogeneous, multi-system disease that poses challenges for patients, health systems, and economies. Two papers in Cell and Cell Reports Medicine from independent groups suggest that autoantibodies in a subset of long COVID patients can directly drive symptoms such as pain, fatigue, or neurocognitive problems.
Source: Autoantibodies in long COVID: A mechanistic foothold in a heterogeneous disease