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COVID-19 therapy: Could a chlorophyll derivative promote cellular accumulation of Zn2+ ions to inhibit SARS-CoV-2 RNA synthesis?

journal contribution
posted on 26.08.2020, 00:00 by NF Clark, Andrew Taylor-RobinsonAndrew Taylor-Robinson
While zinc is known as an antiviral, for which it is taken as a dietary supplement, the therapeutic potential of Zn2+ chlorophyll derivatives to treat viral infections such as SARSCoV-2 has not been explored. The rapid uptake of zinc pheophorbide a, a breakdown product of chlorophyll, and consequent release of Zn2+ ions has been shown to have a beneficial therapeutic effect on human adenocarcinoma cell lines through inhibiting viral replication. We propose that a similar approach could be adopted to target SARS-CoV-2-infected lung epithelial cells in vitro. This would pave the way for future clinical therapy to be delivered deep inside human lungs, offering a potential treatment of symptomatic COVID-19 patients.

History

Volume

11

Start Page

1

End Page

4

Number of Pages

4

eISSN

1664-462X

Publisher

Frontiers Media SA

Additional Rights

CC BY 4.0

Peer Reviewed

Yes

Open Access

Yes

Acceptance Date

04/08/2020

External Author Affiliations

Institute for Applied Ecology, University of Canberra

Era Eligible

Yes

Journal

Frontiers in Plant Science