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Details for Patent: 6,475,795

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Details for Patent: 6,475,795

Title: Use of hyaluronan in gene therapy
Abstract:A method of treating a human suffering a disease or condition caused by a gene, cDNA or RNA-DNA oligonucleotide or RNA-DNA oligonucleotide hybrids or messenger RNA implicated in a disease or condition involving cells that express hyaluronic acid receptors is provided, the method comprising administering to such human, an effective dosage amount of a pharmaceutical composition comprising an effective amount of a form of hyaluronic acid selected from hyaluronic acid and/or a pharmaceutically acceptable salt thereof associated with/bound with an effective amount of anti-sense to the gene, cDNA or RNA-DNA oligonucleotide or RNA-DNA oligonucleotide hybrids or messenger RNA implicated in the disease or condition in a suitable pharmaceutically acceptable diluent.
Inventor(s): Turley; Eva A (Toronto, CA), Asculai; Samuel S (Toronto, CA)
Assignee: Meditech Research, Ltd. (West Perth, AU)
Filing Date:Jun 16, 1997
Application Number:08/860,696
Claims:1. A method of enhancing uptake of a nucleic acid by a cell comprising contacting said cell with a composition comprising a nucleic acid associated with or bound to hyaluronic acid or a salt thereof.

2. The method of claim 1 wherein the hyaluronic acid or salt thereof has a molecular weight less than 750,000 daltons but greater than about 150,000 daltons.

3. The method of claim 1 wherein the composition is sterile.

4. The method of claim 1, wherein said composition further comprises an excipient.

5. The method of claim 1 wherein the hyaluronic acid or salt thereof has a molecular weight less than 750,000 daltons.

6. The method of claim 5 wherein the hyaluronic acid has a molecular weight greater than about 150,000 daltons.

7. The method of claim 1, wherein the cell expresses hyaluronic acid receptors and wherein the hyaluronic acid or salt thereof binds to the cell and effects targeted delivery of the nucleic acid.

8. The method of claim 7, wherein the cell is a cancer cell.
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