期刊
ORAL DISEASES
卷 28, 期 -, 页码 2337-2346出版社
WILEY
DOI: 10.1111/odi.14300
关键词
chemosensory disorders; COVID-19; olfaction; SARS CoV-2; smell loss; taste; taste loss
资金
- NYU
- LSU
The COVID-19 pandemic has caused a significant number of infections and deaths globally. The loss of smell and/or taste, which can persist even after recovery from the infection, is an unusual symptom associated with the virus. This paper reviews hypotheses on the causes of COVID-19-related chemosensory loss and explores potential therapeutic approaches.
The COVID-19 pandemic caused by SARS-CoV-2 virus quickly spread globally, infecting over half a billion individuals, and killing over 6 million*. One of the more unusual symptoms was patients' complaints of sudden loss of smell and/or taste, a symptom that has become more apparent as the virus mutated into different variants. Anosmia and ageusia, the loss of smell and taste, respectively, seem to be transient for some individuals, but for others persists even after recovery from the infection. Causes for COVID-19-associated chemosensory loss have undergone several hypotheses. These include non-functional or destroyed olfactory neurons and gustatory receptors or of their supporting cells, disruption of the signaling protein Neuropilin-1, and disruption in the interaction with semaphorins, key molecules in the gustatory and olfactory axon guidance. The current paper will review these hypotheses and chart out potential therapeutic avenues.
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