T-cell cellular stress and reticulocyte signatures, but not loss of naïve T lymphocytes, characterize severe COVID-19 in older adults
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Final Accepted Manuscript
Author
Jergović, MladenWatanabe, Makiko
Bhat, Ruchika
Coplen, Christopher P
Sonar, Sandip A
Wong, Rachel
Castaneda, Yvonne
Davidson, Lisa
Kala, Mrinalini
Wilson, Rachel C
Twigg, Homer L
Knox, Kenneth
Erickson, Heidi E
Weinkauf, Craig C
Bime, Christian
Bixby, Billie A
Parthasarathy, Sairam
Mosier, Jarrod M
LaFleur, Bonnie J
Bhattacharya, Deepta
Nikolich, Janko Z
Affiliation
Department of Immunobiology, University of Arizona College of Medicine-TucsonArizona Center on Aging, University of Arizona College of Medicine-Tucson
Department of Medicine, University of Arizona College of Medicine-Phoenix
Division of Vascular Surgery, University of Arizona
Division of Pulmonary, Allergy, Critical Care & Sleep Medicine, University of Arizona College of Medicine Tucson
Department of Emergency Medicine, University of Arizona College of Medicine Tucson
BIO5 Institute, University of Arizona
R. Ken Coit College of Pharmacy, University of Arizona
Issue Date
2023-01-12
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Jergović, M., Watanabe, M., Bhat, R., Coplen, C. P., Sonar, S. A., Wong, R., Castaneda, Y., Davidson, L., Kala, M., Wilson, R. C., Twigg, H. L., III, Knox, K., Erickson, H. E., Weinkauf, C. C., Bime, C., Bixby, B. A., Parthasarathy, S., Mosier, J. M., LaFleur, B. J., … Nikolich, J. Z. (2023). T-cell cellular stress and reticulocyte signatures, but not loss of naïve T lymphocytes, characterize severe COVID-19 in older adults. GeroScience.Journal
GeroScienceRights
© 2023. The Author(s), under exclusive licence to American Aging Association.Collection Information
This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.Abstract
In children and younger adults up to 39 years of age, SARS-CoV-2 usually elicits mild symptoms that resemble the common cold. Disease severity increases with age starting at 30 and reaches astounding mortality rates that are ~330 fold higher in persons above 85 years of age compared to those 18–39 years old. To understand age-specific immune pathobiology of COVID-19, we have analyzed soluble mediators, cellular phenotypes, and transcriptome from over 80 COVID-19 patients of varying ages and disease severity, carefully controlling for age as a variable. We found that reticulocyte numbers and peripheral blood transcriptional signatures robustly correlated with disease severity. By contrast, decreased numbers and proportion of naïve T-cells, reported previously as a COVID-19 severity risk factor, were found to be general features of aging and not of COVID-19 severity, as they readily occurred in older participants experiencing only mild or no disease at all. Single-cell transcriptional signatures across age and severity groups showed that severe but not moderate/mild COVID-19 causes cell stress response in different T-cell populations, and some of that stress was unique to old severe participants, suggesting that in severe disease of older adults, these defenders of the organism may be disabled from performing immune protection. These findings shed new light on interactions between age and disease severity in COVID-19.Note
No embargo COVID-19EISSN
2509-2723PubMed ID
36633825Version
Final accepted manuscriptae974a485f413a2113503eed53cd6c53
10.1007/s11357-022-00724-y
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