Are hemoglobin-derived peptides involved in the neuropsychiatric symptoms caused by SARS-CoV-2 infection?

Bibliographic Details
Title: Are hemoglobin-derived peptides involved in the neuropsychiatric symptoms caused by SARS-CoV-2 infection?
Authors: Mendonça, Michelle Mendanha, da Cruz, Kellen Rosa, dos Santos Silva, Fernanda Cacilda, Fontes, Marco Antônio Peliky, Xavier, Carlos Henrique
Source: Brazilian Journal of Psychiatry. January 2022
Publisher Information: Associação Brasileira de Psiquiatria, 2022.
Publication Year: 2022
Subject Terms: COVID-19, SARS-CoV-2, hemoglobin, neurotransmitters, hemorphins, hemopressins, neurology, psychiatry
More Details: Follow-up of patients affected by COVID-19 has unveiled remarkable findings. Among the several sequelae caused by SARS-CoV-2 viral infection, it is particularly noteworthy that patients are prone to developing depression, anxiety, cognitive disorders, and dementia as part of the post-COVID-19 syndrome. The multisystem aspects of this disease suggest that multiple mechanisms may converge towards post-infection clinical manifestations. The literature provides mechanistic hypotheses related to changes in classical neurotransmission evoked by SARS-CoV-2 infection; nonetheless, the interaction of peripherally originated classical and non-canonic peptidergic systems may play a putative role in this neuropathology. A wealth of robust findings shows that hemoglobin-derived peptides are able to control cognition, memory, anxiety, and depression through different mechanisms. Early erythrocytic death is found during COVID-19, which would cause excess production of hemoglobin-derived peptides. Following from this premise, the present review sheds light on a possible involvement of hemoglobin-derived molecules in the COVID-19 pathophysiology by fostering neuroscientific evidence that supports the contribution of this non-canonic peptidergic pathway. This rationale may broaden knowledge beyond the currently available data, motivating further studies in the field and paving ways for novel laboratory tests and clinical approaches.
Document Type: article
File Description: text/html
Language: English
ISSN: 1516-4446
DOI: 10.47626/1516-4446-2021-2339
Access URL: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-44462022005007204
Rights: info:eu-repo/semantics/openAccess
Accession Number: edssci.S1516.44462022005007204
Database: SciELO
More Details
ISSN:15164446
DOI:10.47626/1516-4446-2021-2339
Published in:Brazilian Journal of Psychiatry
Language:English