Receptor modulators

US8945561B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8945561-B2
Application numberUS-95224410-A
CountryUS
Kind codeB2
Filing dateNov 23, 2010
Priority dateJan 9, 2004
Publication dateFeb 3, 2015
Grant dateFeb 3, 2015

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Abstract

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Method of identifying a modulator of CD28 comprising comparing a structural model of a candidate modulator with a structural model of CD28 to thereby determine whether the modulator will bind to CD28, wherein the structural model is derived from, or comprises, structural coordinates of a crystal of: (i) CD28, (ii) a fragment of CD28, or (iii) a homolog of (i) or (ii). The crystal of CD28 in a soluble form complexed with the Fab fragment of a mitogenic (superagonistic) antibody has been obtained and used for the determination of the 3D-structure of the receptor. The application also relates to modulators of superagonistic signalling for any receptor of the CD28 family, i.e. to superagonistic antibodies and chimeric proteins thereof, and to the screening of the superagonistic modulators. In the methods of screening, the binding of the candidate modulators to a portion of the receptor proximal to the cell membrane is investigated.

First claim

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I claim: 1. A method of inducing in a subject superagonistic signaling by a cell surface receptor, the method comprising administering to the subject an antibody that induces superagonistic signalling by the cell surface receptor, wherein the cell surface receptor is the human Programmed Death-1 receptor (PD-1 receptor) and wherein said antibody binds to the extracellular portion of the human PD-1 receptor at a membrane proximal region and said antibody binds to an epitope comprisi…

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What does patent US8945561B2 cover?
Method of identifying a modulator of CD28 comprising comparing a structural model of a candidate modulator with a structural model of CD28 to thereby determine whether the modulator will bind to CD28, wherein the structural model is derived from, or comprises, structural coordinates of a crystal of: (i) CD28, (ii) a fragment of CD28, or (iii) a homolog of (i) or (ii). The crystal of CD28 in a s…
Who is the assignee on this patent?
Davis Simon, Isis Innovation
What technology area does this patent fall under?
Primary CPC classification C07K7/08. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Feb 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).