RNAi COMPOUND TARGETED TO THROMBOSPONDIN-1 AND APPLICATIONS THEREOF

التفاصيل البيبلوغرافية
العنوان: RNAi COMPOUND TARGETED TO THROMBOSPONDIN-1 AND APPLICATIONS THEREOF
Document Number: 20110166199
تاريخ النشر: July 7, 2011
Appl. No: 12/985684
Application Filed: January 06, 2011
مستخلص: The present invention relates to an RNAi compound and an expression plasmid for inhibiting expression of Thrombospondin-1, which comprises a target sequence selected from Thrombospondin-1 gene. The present invention also related to a pharmaceutical composition comprising the RNAi compound and applications thereof. The RNAi compound can reduce the expression of Thrombospondin-1 to activate immune responses. In addition, the present invention also disclosed that an RNAi compound targeted to Thrombospondin-1 gene can delay tumor progression.
Inventors: Lai, Ming-Derg (Tainan City, TW); Huang, Shih-Shien (Tainan City, TW); Yen, Meng-Chi (Tainan City, TW); Lin, Chi-Chen (Taichung City, TW); Weng, Tzu-Yang (Tainan City, TW)
Assignees: National Cheng Kung University (Tainan City, TW)
Claim: 1. An RNAi compound for inhibiting expression of Thrombospondin-1, comprising: a target sequence selected from Thrombospondin-1 gene.
Claim: 2. The RNAi compound as claimed in claim 1, wherein the target sequence comprises 20-25 nucleotides, and is selected from an encoding region corresponding to nucleotides 1 to 3516 of Thrombospondin-1 gene.
Claim: 3. The RNAi compound as claimed in claim 1, wherein the target sequence is SEQ ID NO: 1, SEQ ID NO: 2, or SEQ ID NO: 3.
Claim: 4. The RNAi compound as claimed in claim 1, further comprising an Her2/neu gene, wherein the Her2/neu gene connects to the target sequence.
Claim: 5. The RNAi compound as claimed in claim 4, wherein the sequence of the Her2/neu gene is SEQ ID NO: 10.
Claim: 6. The RNAi compound as claimed in claim 1, wherein the RNAi compound is an isolated siRNA, or an shRNA expression plasmid for encoding an siRNA.
Claim: 7. The RNAi compound as claimed in claim 6, wherein the shRNA expression plasmid comprises the target sequence, and a reverse complement of the target sequence.
Claim: 8. An expression plasmid for inhibiting expression of Thrombospondin-1, comprising: a target sequence selected from Thrombospondin-1 gene; and a reverse complement of the target sequence, wherein the target sequence encodes an siRNA targeted to Thrombospondin-1 gene.
Claim: 9. The expression plasmid as claimed in claim 8, wherein the target sequence comprises 20-25 nucleotides, and is selected from an encoding region corresponding to nucleotides 1 to 3516 of Thrombospondin-1 gene.
Claim: 10. The expression plasmid as claimed in claim 8, wherein the target sequence is SEQ ID NO: 1, SEQ ID NO: 2, or SEQ ID NO: 3.
Claim: 11. The expression plasmid as claimed in claim 8, further comprising an Her2/neu gene, wherein the Her2/neu gene connects to the target sequence.
Claim: 12. The expression plasmid as claimed in claim 11, wherein the sequence of the Her2/neu gene is SEQ ID NO: 10.
Claim: 13. A pharmaceutical composition, comprising: an RNAi compound, which comprises a target sequence selected from Thrombospondin-1 gene; and a pharmaceutically acceptable carrier.
Claim: 14. The pharmaceutical composition as claimed in claim 13, wherein the target sequence comprises 20-25 nucleotides, and is selected from an encoding region corresponding to nucleotides 1 to 3516 of Thrombospondin-1 gene.
Claim: 15. The pharmaceutical composition as claimed in claim 13, wherein the target sequence is SEQ ID NO: 1, SEQ ID NO: 2, or SEQ ID NO: 3.
Claim: 16. The pharmaceutical composition as claimed in claim 13, wherein the RNAi compound further comprises an Her2/neu gene, wherein the Her2/neu gene connects to the target sequence.
Claim: 17. The pharmaceutical composition as claimed in claim 16, wherein the sequence of the Her2/neu gene is SEQ ID NO: 10.
Claim: 18. The pharmaceutical composition as claimed in claim 13, wherein the RNAi compound is an isolated siRNA, or an shRNA expression plasmid for encoding an siRNA.
Claim: 19. The pharmaceutical composition as claimed in claim 18, wherein the shRNA expression plasmid comprises the target sequence, and a reverse complement of the target sequence.
Claim: 20. The pharmaceutical composition as claimed in claim 13, wherein the pharmaceutically acceptable carrier is selected from a group consisting of saline, phosphate buffered saline (PBS), and sterile water.
Claim: 21. A method of treating cancer, comprising: administering a therapeutically effective amount of a pharmaceutical composition, wherein the pharmaceutical composition comprises: an RNAi compound, which comprises a target sequence selected from Thrombospondin-1 gene; and a pharmaceutically acceptable carrier.
Claim: 22. The method as claimed in claim 21, wherein the target sequence comprises 20-25 nucleotides, and is selected from an encoding region corresponding to nucleotides 1 to 3516 of Thrombospondin-1 gene.
Claim: 23. The method as claimed in claim 21, wherein the target sequence is SEQ ID NO: 1, SEQ ID NO: 2, or SEQ ID NO: 3.
Claim: 24. The method as claimed in claim 21, wherein the RNAi compound further comprises an Her2/neu gene, wherein the Her2/neu gene connects to the target sequence.
Claim: 25. The method as claimed in claim 24, wherein the sequence of the Her2/neu gene is SEQ ID NO: 10.
Claim: 26. The method as claimed in claim 21, wherein the RNAi compound is an isolated siRNA, or an shRNA expression plasmid for encoding an siRNA.
Claim: 27. The method as claimed in claim 26, wherein the shRNA expression plasmid comprises the target sequence, and a reverse complement of the target sequence.
Claim: 28. The method as claimed in claim 21, wherein the pharmaceutically acceptable carrier is selected from a group consisting of saline, phosphate buffered saline (PBS), and sterile water.
Claim: 29. The method as claimed in claim 21, wherein the pharmaceutical composition is administered through a gene gun or an intramuscular injection.
Current U.S. Class: 514/44/A
Current International Class: 61; 07; 61; 12
رقم الانضمام: edspap.20110166199
قاعدة البيانات: USPTO Patent Applications