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US 10,294,291 B2Granted
Platelet targeted treatment
AssigneePlatelet Targeted Therapeutics, LLC
InventorsDavid A. Wilcox, Sandra L. Haberichter
Life of this patent
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Abstract
The present disclosure relates to compositions and methods for targeting expression of exogenous genes to platelets. In particular, the present disclosure relates to treatment of hemophilia and other diseases and conditions by targeting expression of exogenous agents (e.g., clotting factors) to platelets.
Claims3
A method for treating hemophilia, comprising:
- a) mobilizing hematopoietic stem cells in a human subject having hemophilia to generate mobilized stem cells;
- b) isolating said mobilized hematopoietic stem cells from said subject to generate isolated stem cells;
- c) contacting said isolated hematopoietic stem cells ex vivo with an expression vector;
- said expression vector comprising a fragment of a human integrin αIIb gene (ITGA2B) promoter, wherein said promoter is selected from the group consisting of nucleotides 18-1271 of SEQ ID NO:
- 21, nucleotides 18-939 of SEQ ID NO:22, and nucleotides 2454-3156 of SEQ ID NO:25;
- and a Factor VIII gene operably linked to said promoter to generate modified hematopoietic stem cells;
- d) administering said modified hematopoietic stem cells to said subject under conditions that said Factor VIII gene is expressed in platelets of said subject to treat hemophilia.
4 more elements
Dependencies are inferred from the claim text.