The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 01, 2021

Filed:

Aug. 25, 2020
Applicant:

Abclonal Science, Inc., Woburn, MA (US);

Inventors:

Yang Xiang, Winchester, MA (US);

Jun Li, Wuhan, CN;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 39/215 (2006.01); C07K 14/165 (2006.01); C12N 15/85 (2006.01);
U.S. Cl.
CPC ...
A61K 39/215 (2013.01); C07K 14/165 (2013.01); C12N 15/85 (2013.01); C07K 2319/30 (2013.01); C12N 2310/20 (2017.05);
Abstract

Disclosed is producing recombinant SARS-CoV-2 spike protein in a pre-fusion state, using furin knock out or knockdown mammalian cells (such as HEK293, CHO or other mammalian cells). The pre-fusion state SARS-CoV-2 spike protein can be used as an antigen to generate antibodies/binding molecules for use in SARS-CoV-2 detection assays or in diagnosis of active or prior infection with SARS-CoV-2; as a therapeutic to interfere with SARS-CoV-2 cellular binding; to generate antibodies/binding molecules to SARS-CoV-2 for use in therapy; or, as a vaccine for generating immunity to SARS-CoV-2; or for prophylactic or therapeutic use against related coronaviruses.


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