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Published in: Medical Oncology 9/2021

01-09-2021 | Severe Acute Respiratory Syndrome Coronavirus | Review Article

Cancer and COVID-19: Why are cancer patients more susceptible to COVID-19?

Authors: Saptarshi Sinha, Chanakya Nath Kundu

Published in: Medical Oncology | Issue 9/2021

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Abstract

The COVID-19 pandemic has engulfed the entire world and has claimed more than 3 million lives worldwide. This viral disease is caused by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) and mainly characterized by fever, dry cough, fatigue, anosmia, anorexia, and dyspnea. The severity of the disease increases with age and presence of comorbidities, including cancer. Multiple clinical studies have shown that the cancer patients are highly susceptible to the severe form of the viral disease. In this review article, we have summarized the available scientific literature regarding the molecular links between COVID-19 and cancer, which make the cancer patients highly susceptible to COVID-19. Few studies have shown that the angiotensin-converting enzyme 2 (ACE2) receptor, transmembrane protease serine 2 (TMPRSS2), and the immune response and inflammation establish the interconnection between the two diseases. Additionally, we have also discussed whether SARS-CoV-2 can contribute to cancer development in COVID-19 patients. A recent study has suggested that SARS-CoV-2 may create a microenvironment that may support cancer cell proliferation and induce the activation of dormant cancer cells (DCCs). In another study, the blood sera of COVID-19 patients were found to activate epithelial-to-mesenchymal transition (EMT) in cancer cells. Overall, this review article will surely help the scientific community to understand why the cancer patients are so much prone to COVID-19 and will also motivate the researchers to find new therapeutic strategies that may save the lives of many COVID-19-infected cancer patients.
Literature
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go back to reference Muus C, Luecken M, Eraslan G, Waghray A, Heimberg G, Sikkema L, et al. Integrated analyses of single-cell atlases reveal age, gender, and smoking status associations with cell type-specific expression of mediators of SARS-CoV-2 viral entry and highlights inflammatory programs in putative target cells. BioRxiv. 2020. https://doi.org/10.1101/2020.04.19.049254.CrossRef Muus C, Luecken M, Eraslan G, Waghray A, Heimberg G, Sikkema L, et al. Integrated analyses of single-cell atlases reveal age, gender, and smoking status associations with cell type-specific expression of mediators of SARS-CoV-2 viral entry and highlights inflammatory programs in putative target cells. BioRxiv. 2020. https://​doi.​org/​10.​1101/​2020.​04.​19.​049254.CrossRef
Metadata
Title
Cancer and COVID-19: Why are cancer patients more susceptible to COVID-19?
Authors
Saptarshi Sinha
Chanakya Nath Kundu
Publication date
01-09-2021
Publisher
Springer US
Published in
Medical Oncology / Issue 9/2021
Print ISSN: 1357-0560
Electronic ISSN: 1559-131X
DOI
https://doi.org/10.1007/s12032-021-01553-3

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