Claims
- 1. An antibody that specifically binds to influenza protein M2, wherein the antibody comprises a human, humanized or chimeric monoclonal antibody.
- 2. The antibody of claim 1, wherein the antibody binds to at least a part of the M2 extracellular domain or a subsequence of the M2 extracellular domain.
- 3. The antibody of claim 2, wherein the extracellular domain comprises the amino acid sequence SLLTEVETPIRNEWGCRCNDSSD (SEQ ID NO: 1).
- 4. The antibody of claim 3, wherein the subsequence comprises four or more contiguous amino acids in SLLTEVETPIRNEWGCRCNDSSD (SEQ ID NO: 1).
- 5. The antibody of claim 2, wherein the extracellular domain comprises an amino acid substitution, insertion, deletion or addition of the amino acid sequence SLLTEVETPIRNEWGCRCNDSSD (SEQ ID NO: 1).
- 6. The antibody of claim 5, wherein the extracellular domain comprises a sequence having an amino acid substitution selected from: SLLTEVETPIRNEWGCKCNDSSD, SLPTEVETPIRNEWGCRCNDSSD, SLLTEVETPIRSEWGCRCNDSGD, SFLTEVETPIRNEWGCRCNGSSD, SLLTEVETPIRNEWECRCNGSSD, SLLTEVETPTRNGWGCRCSDSSD, or SLLTEVETPIRNGWECRCNDSSD (SEQ ID NOS: 2-8, respectively.
- 7. The antibody of claim 5, wherein the subsequence comprises four or more contiguous amino acids in any of SLLTEVETPIRNEWGCKCNDSSD, SLPTEVETPIRNEWGCRCNDSSD, SLLTEVETPIRSEWGCRCNDSGD, SFLTEVETPIRNEWGCRCNGSSD, SLLTEVETPIRNEWECRCNGSSD, SLLTEVETPTRNGWGCRCSDSSD, or SLLTEVETPIRNGWECRCNDSSD (SEQ ID NOS: 2-8, respectively).
- 8. The antibody of claim 1, wherein the antibody is selected from IgG, IgA, IgM IgE, and IgD isotypes
- 9. The antibody of claim 8, wherein the isotype is selected from IgG1, IgG2, IgG3 and IgG4.
- 10. The antibody of claim 1, wherein the antibody is produced by a hybridoma or a CHO cell line denoted as no. 2074 (ATCC Deposit No. PTA-4025), 161(ATCC Deposit No. PTA-4026), N547 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), L66 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), C40G1 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), and L17 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA).
- 11. The antibody of claim 1, wherein the antibody has the binding specificity of an antibody produced by a hybridoma or a CHO cell line denoted as no. 2074 (ATCC Deposit No. PTA-4025), 161 (ATCC Deposit No. PTA-4026), N547 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), L66 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), C40G1 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), and L17 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA).
- 12. The antibody of claim 1, wherein the antibody has the same or substantially the same binding affinity as an antibody produced by a hybridoma or a CHO cell line denoted as no. 2074 (ATCC Deposit No. PTA-4025), 161(ATCC Deposit No. PTA-4026), N547 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), L66 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), C40G1 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), and L17 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA).
- 13. The antibody of claim 12, wherein the affinity is within about 5 to 100 fold of the reference antibody, or within about 5 to 5000 fold of the reference antibody.
- 14. The antibody of claim 1, wherein the antibody inhibits virus infection of a cell, virus proliferation or virus replication in vitro or in vivo.
- 15. The antibody of claim 1, wherein the antibody inhibits influenza binding of a cell in vitro or in vivo.
- 16. The antibody of claim 1, wherein the antibody inhibits increases in virus titer, decreases virus titre, decreases virus replication or proliferation, or decreases one or more symptoms or complications associated with virus infection in a subject.
- 17. The antibody of claim 1, wherein the antibody inhibits increases in virus titer, decreases virus titre, decreases virus replication or proliferation, or decreases one or more symptoms or complications associated with virus infection in a subject after the subject has been exposed to or infected with the virus.
- 18. The antibody of claims 16 or 17, wherein the symptoms or complications are selected from chills, fever, cough, sore throat, nasal congestion, sinus congestion, nasal infection, sinus infection, body ache, head ache, fatigue, pneumonia, bronchitis, ear infection, ear ache and death.
- 19. The antibody of claims 16 or 17, wherein the antibody has the binding specificity or the binding affinity of an antibody produced by a hybridoma or a CHO cell line denoted as no. 2074 (ATCC Deposit No. PTA-4025), 161 (ATCC Deposit No. PTA-4026), N547 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), L66 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), C40G1 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), and L17 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA).
- 20. The antibody of claim 1, wherein the antibody inhibits virus infection of a subject, and the antibody has the same or substantially the same binding specificity or the binding affinity of an antibody produced by a hybridoma or a CHO cell line denoted as no. 2074 (ATCC Deposit No. PTA-4025), 161(ATCC Deposit No. PTA-4026), N547 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), L66 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), C40G1 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), and L17 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA).
- 21. The antibody of claim 1, wherein the antibody decreases susceptibility of a subject to virus infection.
- 22. The antibody of claim 21, wherein the antibody has the binding specificity or the same or substantially the same binding affinity of an antibody produced by a hybridoma or a CHO cell line denoted as no. 2074 (ATCC Deposit No. PTA-4025), 161 (ATCC Deposit No. PTA-4026), N547 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), L66 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), C40G1 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), and L17 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA).
- 23. The antibody of claim 1, wherein the influenza virus comprises influenza A virus.
- 24. The antibody of claim 23, wherein the influenza virus comprises A/PR/34, A/HK8/68, H1N1, H2N2, H3N2, H5N1, H9N2, H2N1, H4N6, H6N2, H7N2, H7N3, H4N8, H5N2, H2N3, H11N9, H3N8, H1N2, H11N2, H11N9, H7N7, H2N3, H6N1, H13N6, H7N1, H11N1, H7N2 and H5N3.
- 25. The antibody of claim 1, wherein the antibody has an EC50 less than 3.0 μg/ml for inhibiting influenza virus infection of MDCK cells, as determined by a cell based-ELISA assay.
- 26. The antibody of claim 25, wherein the influenza virus comprises A/PR/8/34, A/HK8/68, H1N1, H2N2, H3N2, H5N1, H9N2, H2N1, H4N6, H6N2, H7N2, H7N3, H4N8, H5N2, H2N3, H11N9, H3N8, H1N2, H11N2, H11N9, H7N7, H2N3, H6N1, H13N6, H7N1, H11N1, H7N2 and H5N3.
- 27. The antibody of claim 25, wherein the antibody has the binding specificity or the same or substantially the same binding affinity of an antibody produced by a hybridoma or a CHO cell line denoted as no. 2074 (ATCC Deposit No. PTA-4025), 161 (ATCC Deposit No. PTA-4026), N547 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), L66 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), C40G1 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), and L17 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA).
- 28. The antibody of claim 1, wherein the antibody has an EC50 less than 3.0 μg/ml for inhibiting M2 binding to MDCK cells, as determined by a cell based-ELISA assay.
- 29. The antibody of claim 28, wherein the antibody has the binding specificity or the same or substantially the same binding affinity of an antibody produced by a hybridoma or a CHO cell line denoted as no. 2074 (ATCC Deposit No. PTA-4025), 161 (ATCC Deposit No. PTA-4026), N547 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), L66 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), C40G1 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), and L17 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA).
- 30. The antibody of claim 1, wherein the antibody specifically binds to two or more influenza virus strains or isolates.
- 31. The antibody of claim 1, wherein the antibody specifically binds to two or more M2 proteins having a different sequence.
- 32. The antibody of claim 31, wherein the M2 protein comprises the extracellular domain.
- 33. The antibody of claim 32, wherein the M2 protein extracellular domain is selected from SLLTEVETPIRNEWGCRCNDSSD, SLLTEVETPIRNEWGCKCNDSSD, SLPTEVETPIRNEWGCRCNDSSD, SLLTEVETPIRSEWGCRCNDSGD, SFLTEVETPIRNEWGCRCNGSSD, SLLTEVETPIRNEWECRCNGSSD, SLLTEVETPTRNGWGCRCSDSSD, or SLLTEVETPIRNGWECRCNDSSD (SEQ ID NOS: 1-8, respectively).
- 34. An amino acid subsequence of the antibody of claim 1.
- 35. The antibody of claim 34, wherein the subsequence has the binding specificity or binding affinity of the antibody of claim 1.
- 36. The antibody of claim 34, wherein the subsequence is selected from heavy and light chain variable regions (VH and VL), Fab, Fab′, (Fab′)2, Fv, Fd, scFv, and sdFv.
- 37. The antibody of claim 1, wherein the antibody comprises an antibody multimer.
- 38. The antibody of claim 1 or a subsequence thereof, further comprising one or more heterologous domains.
- 39. The antibody of claim 38, wherein the heterologous domain comprises an amino acid sequence.
- 40. The antibody of claim 38, wherein the heterologous domain comprises a binding protein, an enzyme activity, a drug, an antiviral, a toxin, an immune-modulator, a detectable moiety or a tag
- 41. A bispecific or bifunctional antibody of claim 1.
- 42. A host cell that expresses an antibody of claim 1.
- 43. The cell of claim 42, wherein the antibody has the binding specificity or the same or substantially the same binding affinity of an antibody produced by a hybridoma or a CHO cell line denoted as no. 2074 (ATCC Deposit No. PTA-4025), 161 (ATCC Deposit No. PTA-4026), N547 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), L66 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), C40G1 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), and L17 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA).
- 44. The cell of claim 42, wherein the antibody is produced by a hybridoma or a CHO cell line denoted as no. 2074 (ATCC Deposit No. PTA-4025), 161 (ATCC Deposit No. PTA-4026), N547 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), L66 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), C40G1 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), and L17 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA).
- 45. The cell of claim 42, wherein the cell is bacteria, yeast, plant or animal.
- 46. A non-human transgenic animal or plant that expresses an antibody of claim 1.
- 47. A nucleic acid encoding an antibody produced by a hybridoma or a CHO cell line denoted as no. 2074 (ATCC Deposit No. PTA-4025), 161(ATCC Deposit No. PTA-4026), N547 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), L66 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), C40G1 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), and L17 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA).
- 48. The nucleic acid of claim 47, further comprising a vector.
- 49. The antibody of claim 1, further comprising an antiviral agent.
- 50. The antibody of claim 1, further comprising an agent that inhibits one or more symptoms or complications associated with influenza virus infection.
- 51. The antibody of claim 50, wherein the symptoms or complications are selected from chills, fever, cough, sore throat, nasal congestion, sinus congestion, nasal infection, sinus infection, body ache, head ache, fatigue, pneumonia, bronchitis, ear infection, ear ache and death.
- 52. A pharmaceutical composition comprising the antibody of claim 1, and a pharmaceutically acceptable carrier or excipient.
- 53. A kit comprising the antibody of claim 1, and instructions for treating, inhibiting, preventing or decreasing susceptibility of infection of a subject by one or more influenza virus strains or isolates.
- 54. The kit of claim 53, further comprising an article of manufacture for delivery of the antibody into a mucosal tissue.
- 55. The kit of claim 53, wherein the article of manufacture comprises an inhaler, aerosol, spray or squeeze bottle suitable for inhalation or nasal administration to a subject.
- 56. The kit of claim 53, wherein the mucosal tissue comprises nasal passages, sinuses, mouth, throat, larynx or lungs.
- 57. The kit of claim 53, further comprising an antiviral agent.
- 58. The kit of claim 53, further comprising an agent that inhibits one or more symptoms or complications associated with influenza virus infection.
- 59. A method for treating influenza virus infection of a subject, comprising administering to the subject an amount of a human, humanized or chimeric monoclonal antibody that specifically binds influenza M2 effective to treat influenza virus infection of the subject.
- 60. The method of claim 59, wherein the antibody is administered prior to, substantially contemporaneously with or following infection of the subject.
- 61. The method of claim 59, wherein the antibody is administered substantially contemporaneously with or following infection of the subject.
- 62. The method of claim 59, wherein the administration provides a therapeutic benefit.
- 63. The method of claim 59, wherein the therapeutic benefit comprises inhibiting increases in virus titer, decreasing virus titer, inhibiting increases in virus replication, decreasing virus replication, inhibiting increases in virus proliferation or decreasing virus proliferation, or decreasing one or more symptoms or complications associated with virus infection in a subject.
- 64. The method of claim 63, wherein the symptoms or complications are selected from chills, fever, cough, sore throat, nasal congestion, sinus congestion, nasal infection, sinus infection, body ache, head ache, fatigue, pneumonia, bronchitis, ear infection, ear ache and death.
- 65. The method of claim 59, wherein the therapeutic benefit comprises hastening a subject's recovery from influenza virus infection.
- 66. The method of claim 59, wherein the antibody has the binding specificity or the same or substantially the same binding affinity of an antibody produced by a hybridoma or a CHO cell line denoted as no. 2074 (ATCC Deposit No. PTA-4025), 161 (ATCC Deposit No. PTA-4026), N547 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), L66 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), C40G1 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), and L17 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA).
- 67. The method of claim 59, wherein the antibody is produced by a hybridoma or a CHO cell line denoted as no. 2074 (ATCC Deposit No. PTA-4025), 161 (ATCC Deposit No. PTA-4026), N547 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), L66 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), C40G1 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), and L17 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA).
- 68. The method of claim 59, wherein the antibody has an EC50 less than 3.0 μg/ml for inhibiting influenza virus infection of MDCK cells, as determined by a cell based-ELISA assay.
- 69. The method of claim 59, wherein the influenza strain comprises A/PR/8/34, A/HK/8/68, H1N1, H2N2, H3N2, H5N1, H9N2, H2N1, H4N6, H6N2, H7N2, H7N3, H4N8, H5N2, H2N3, H11N9, H3N8, H1N2, H11N2, H11N9, H7N7, H2N3, H6N1, H13N6, H7N1, H11N1, H7N2 and H5N3.
- 70. A method for inhibiting infection of a subject by one or more influenza virus strains or isolates comprising administering to the subject an amount of a human, humanized or chimeric antibody that specifically binds influenza M2 effective to inhibit infection of the subject by one or more influenza virus strains or isolates.
- 71. The method of claim 70, wherein the antibody is administered prior to, substantially contemporaneously with or following virus infection of the subject.
- 72. The method of claim 70, wherein the antibody is administered substantially contemporaneously with or following virus infection of the subject.
- 73. The method of claim 70, wherein the administration provides a therapeutic benefit.
- 74. The method of claim 70, wherein the therapeutic benefit comprises protecting the subject from virus infection or decreasing susceptibility of the subject from virus infection.
- 75. The method of claim 70, wherein the antibody has the binding specificity or the same or substantially the same binding affinity of an antibody produced by a hybridoma or a CHO cell line denoted as no. 2074 (ATCC Deposit No. PTA-4025), 161 (ATCC Deposit No. PTA-4026), N547 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), L66 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), C40G1 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), and L17 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA).
- 76. The method of claim 70, wherein the antibody is produced by a hybridoma or a CHO cell line denoted as no. 2074 (ATCC Deposit No. PTA-4025), 161(ATCC Deposit No. PTA-4026), N547 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), L66 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), C40G1 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), and L17 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA).
- 77. The method of claim 70, wherein the antibody has an EC50 less than 3.0 μg/ml for inhibiting influenza virus infection of MDCK cells, as determined by a cell based-ELISA assay.
- 78. The method of claim 70, wherein the influenza strain comprises AIPR/8/34, A/HK/8/68, H1N1, H2N2, H3N2, H5N1, H9N2, H2N1, H4N6, H6N2, H7N2, H7N3, H4N8, H5N2, H2N3, H11N9, H3N8, H1N2, H11N2, H11N9, H7N7, H2N3, H6N1, H13N6, H7N1, H11N1, H7N2 and H5N3.
- 79. The antibody of claim 1, wherein the antibody comprises heavy-chain variable sequence and light-chain variable sequence of the antibody produced by a hybridoma or a CHO cell line denoted as no. 2074 (ATCC PTA-4025), 161 (ATCC PTA-4026), N547 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), L66 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), C40G1 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA, received by ATCC on Mar. 11, 2003), and L17 (ATCC Deposit No.; American Type Culture Collection, Manassas, Va., USA).
- 80. The antibody of claim 1, wherein the antibody comprises heavy-chain variable sequence and light-chain variable sequence encoded by the nucleic acid sequences set forth as SEQ ID NO: 9 and SEQ ID NO: 10, or a nucleic acid sequence degenerate with respect to SEQ ID NO: 9 and SEQ ID NO: 10.
- 81. The antibody of claim 1, wherein the antibody comprises heavy-chain variable sequence and light-chain variable sequence as set forth in SEQ ID NO: 11 and SEQ ID NO: 12.
- 82. The antibody of any of claims 79 to 81, wherein the antibody comprises a human IgG1 subtype.
PRIORITY APPLICATION INFORMATION
[0001] This application claims priority to U.S. Provisional Application Serial No. 60/364,997, filed Mar. 13, 2002.
Provisional Applications (1)
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Number |
Date |
Country |
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60364997 |
Mar 2002 |
US |