Multi-omics of NET formation and correlations with CNDP1, PSPB, and L-cystine levels in severe and mild COVID-19 infections

The detailed mechanisms of COVID-19 infection pathology remain poorly understood. To improve our understanding of SARS-CoV-2 pathology, we performed a multi-omics and correlative analysis of an immunologically naïve SARS-CoV-2 clinical cohort from blood plasma of uninfected controls, mild, and sever...

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Published in:Heliyon 2023-03, Vol.9 (3), p.e13795-e13795, Article e13795
Main Authors: Bramer, Lisa M., Hontz, Robert D., Eisfeld, Amie J., Sims, Amy C., Kim, Young-Mo, Stratton, Kelly G., Nicora, Carrie D., Gritsenko, Marina A., Schepmoes, Athena A., Akasaka, Osamu, Koga, Michiko, Tsutsumi, Takeya, Nakamura, Morio, Nakachi, Ichiro, Baba, Rie, Tateno, Hiroki, Suzuki, Shoji, Nakajima, Hideaki, Kato, Hideaki, Ishida, Kazunari, Ishii, Makoto, Uwamino, Yoshifumi, Mitamura, Keiko, Paurus, Vanessa L., Nakayasu, Ernesto S., Attah, Isaac K., Letizia, Andrew G., Waters, Katrina M., Metz, Thomas O., Corson, Karen, Kawaoka, Yoshihiro, Gerbasi, Vincent R., Yotsuyanagi, Hiroshi, Iwatsuki-Horimoto, Kiyoko
Format: Article
Language:English
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60 APPLIED LIFE SCIENCES
Carnosinase
Carnosine
CNDP1
COVID-19
Cystine
Glutathione
NETs
Neutrophils
ROS
SARS-CoV-2
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Summary:The detailed mechanisms of COVID-19 infection pathology remain poorly understood. To improve our understanding of SARS-CoV-2 pathology, we performed a multi-omics and correlative analysis of an immunologically naïve SARS-CoV-2 clinical cohort from blood plasma of uninfected controls, mild, and severe infections. Consistent with previous observations, severe patient populations showed an elevation of pulmonary surfactant levels. Intriguingly, mild patients showed a statistically significant elevation in the carnosine dipeptidase modifying enzyme (CNDP1). Mild and severe patient populations showed a strong elevation in the metabolite L-cystine (oxidized form of the amino acid cysteine) and enzymes with roles in glutathione metabolism. Neutrophil extracellular traps (NETs) were observed in both mild and severe populations, and NET formation was higher in severe vs. mild samples. Our correlative analysis suggests a potential protective role for CNDP1 in suppressing PSPB release from the pulmonary space whereas NET formation correlates with increased PSPB levels and disease severity. In our discussion we put forward a possible model where NET formation drives pulmonary occlusions and CNDP1 promotes antioxidation, pleiotropic immune responses, and vasodilation by accelerating histamine synthesis.
ISSN:2405-8440
2405-8440
DOI:10.1016/j.heliyon.2023.e13795