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:
Jul. 19, 2016

Filed:

Aug. 27, 2015
Applicant:

The United States of America, As Represented BY the Secretary, Department of Health and Human Services, Washington, DC (US);

Inventors:

Mitchell Ho, Urbana, MD (US);

Heungnam Kim, Pleasant Hill, CA (US);

Wei Gao, Rockville, MD (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K 16/28 (2006.01); C07K 16/30 (2006.01); A61K 39/395 (2006.01); G01N 33/68 (2006.01); A61K 47/48 (2006.01); G01N 33/574 (2006.01); A61K 39/00 (2006.01);
U.S. Cl.
CPC ...
C07K 16/28 (2013.01); A61K 39/39558 (2013.01); A61K 47/48484 (2013.01); A61K 47/48561 (2013.01); C07K 16/303 (2013.01); C07K 16/3092 (2013.01); G01N 33/57438 (2013.01); G01N 33/6893 (2013.01); A61K 2039/505 (2013.01); C07K 2317/21 (2013.01); C07K 2317/33 (2013.01); C07K 2317/41 (2013.01); C07K 2317/56 (2013.01); C07K 2317/569 (2013.01); C07K 2317/622 (2013.01); C07K 2317/73 (2013.01); C07K 2317/92 (2013.01); C07K 2319/00 (2013.01); G01N 2400/40 (2013.01);
Abstract

Described herein is the identification of human monoclonal antibodies that bind GPC3 or heparan sulfate (HS) chains on GPC3 with high affinity. The antibodies described herein are capable of inhibiting HCC cell growth and migration. Provided are human monoclonal antibodies specific for GPC3 or HS chains on GPC3, including immunoglobulin molecules, such as IgG antibodies, as well as antibody fragments, such as single-domain VH antibodies or single chain variable fragments (scFv). Further provided are compositions including the antibodies that bind GPC3 or HS chains on GPC3, nucleic acid molecules encoding these antibodies, expression vectors comprising the nucleic acids, and isolated host cells that express the nucleic acids. Methods of treating cancer and/or inhibiting tumor growth or metastasis are also provided. Further provided are methods of detecting cancer in a subject and confirming a diagnosis of cancer in a subject.


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