Large scale phenotyping of long COVID inflammation reveals mechanistic subtypes of disease after COVID-19 hospitalisation
Abstract One in ten SARS-CoV-2 infections result in prolonged symptoms termed long COVID, yet disease phenotypes and mechanisms are poorly understood. We studied the blood proteome of 719 previously hospitalised adults with long COVID grouped by symptoms. Elevated markers of myeloid inflammation and complement activation were associated with long COVID; elevated IL1R2, MATN2 and COLEC12 were associated with cardiorespiratory symptoms, fatigue, and anxiety/depression, while MATN2 and DPP10 were elevated in gastrointestinal (GI) symptoms, and C1QA in cognitive impairment. Proteins suggestive of neurodegeneration were elevated in cognitive impairment, whilst SCG3 (indicative of brain-gut axis disturbance) was specific to GI symptoms. Nasal inflammation was apparent after COVID-19 but did not associate with symptoms. Although SARS-CoV-2 specific IgG was elevated with some long COVID symptoms, virus was not detected from sputum. Thus, systemic inflammation is evident in long COVID and could be targeted in therapeutic trials tailored to pathophysiological differences between symptom groups..
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Preprint| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
ResearchSquare.com - (2024) vom: 09. Apr. Zur Gesamtaufnahme - year:2024 |
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| Sprache: |
Englisch |
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| Beteiligte Personen: |
Openshaw, Peter [VerfasserIn] |
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| doi: |
10.21203/rs.3.rs-3427282/v1 |
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| 520 | |a Abstract One in ten SARS-CoV-2 infections result in prolonged symptoms termed long COVID, yet disease phenotypes and mechanisms are poorly understood. We studied the blood proteome of 719 previously hospitalised adults with long COVID grouped by symptoms. Elevated markers of myeloid inflammation and complement activation were associated with long COVID; elevated IL1R2, MATN2 and COLEC12 were associated with cardiorespiratory symptoms, fatigue, and anxiety/depression, while MATN2 and DPP10 were elevated in gastrointestinal (GI) symptoms, and C1QA in cognitive impairment. Proteins suggestive of neurodegeneration were elevated in cognitive impairment, whilst SCG3 (indicative of brain-gut axis disturbance) was specific to GI symptoms. Nasal inflammation was apparent after COVID-19 but did not associate with symptoms. Although SARS-CoV-2 specific IgG was elevated with some long COVID symptoms, virus was not detected from sputum. Thus, systemic inflammation is evident in long COVID and could be targeted in therapeutic trials tailored to pathophysiological differences between symptom groups. | ||
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