Humanized antibody molecules specific for IL-31
First Claim
Patent Images
1. An isolated antibody or antibody fragment that binds to human IL-31, comprisinga) a humanized heavy chain variable domain comprising CDR1, CDR2, and CDR3 consisting of amino acid sequences SEQ ID NO:
- 1, 2 and 3, respectively or consisting of amino acid sequences SEQ ID NO;
1, 4 and 3, respectively; and
b) a humanized light chain variable domain comprising CDR1, CDR2, and CDR3 consisting of amino acid sequences of SEQ ID NO;
5, 6 and 7, respectively.
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Abstract
The invention provides humanized mouse anti-human IL-31 antibodies and antibody fragments that are capable of binding IL-31 and thereby neutralizing, inhibiting, limiting, or reducing the proinflammatory or pro-pruritic effects of IL-31.
116 Citations
40 Claims
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1. An isolated antibody or antibody fragment that binds to human IL-31, comprising
a) a humanized heavy chain variable domain comprising CDR1, CDR2, and CDR3 consisting of amino acid sequences SEQ ID NO: - 1, 2 and 3, respectively or consisting of amino acid sequences SEQ ID NO;
1, 4 and 3, respectively; andb) a humanized light chain variable domain comprising CDR1, CDR2, and CDR3 consisting of amino acid sequences of SEQ ID NO;
5, 6 and 7, respectively. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 39, 40)
- 1, 2 and 3, respectively or consisting of amino acid sequences SEQ ID NO;
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11. An isolated antibody comprising a light chain comprising the amino acid sequence of SEQ ID NO:
- 46 and a heavy chain comprising the amino acid sequence of SEQ ID NO;
47.
- 46 and a heavy chain comprising the amino acid sequence of SEQ ID NO;
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12. An isolated antibody or antibody fragment that binds to human IL-31, comprising:
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a) a humanized heavy chain variable domain comprising a CDR1 consisting of the amino acid sequence of SEQ ID NO;
1, a CDR3 consisting of the amino acid sequence of SEQ ID NO;
3, and a CDR2 consisting of the amino acid sequence of AIYPGDGDTRYSXaa1Xaa2FXaa3G (SEQ ID NO;
22) wherein Xaa1 is glutamine or proline, Xaa2 is serine or lysine and Xaa3 is glutamine or lysine and wherein said humanized heavy chain variable domain is selected from the group consisting of;1) a heavy chain variable domain wherein the FR1 sequence has at least 90% identity to the amino acid sequence of SEQ ID NO;
8, the FR2 sequence has at least 90% identity to SEQ ID NO;
9, the FR3 sequence has at least 90% identity to SEQ ID NO;
10 and the FR4 sequence has at least 90% identity to SEQ ID NO;
11 ;2) a heavy chain variable domain wherein the FR1 sequence has at least 90% identity to the amino acid sequence of SEQ ID NO;
12, the FR2 sequence has at least 90% identity to SEQ ID NO;
13, the FR3 sequence has at least 90% identity to SEQ ID NO;
14 and the FR4 sequence has at least 90% identity to SEQ ID NO;
15; and3) a heavy chain variable domain wherein the FR1 sequence has at least 90% identity to the amino acid sequence of SEQ ID NO;
12, the FR2 sequence has at least 90% identity to SEQ ID NO;
13, the FR3 sequence has at least 90% identity to SEQ ID NO;
16 and the FR4 sequence has at least 90% identity to SEQ ID NO;
15 ;and wherein the amino acid at position 29 in SEQ ID NO;
8 or SEQ ID NO;
12 is leucine and amino acid at position 32 in SEQ ID NO;
14 or SEQ ID NO;
16 is phenylalanine; andb) a humanized light chain variable domain comprising a CDR1 consisting of the amino acid sequence of SEQ ID NO;
5, a CDR2 consisting of the amino acid sequence of SEQ ID NO;
6, and a CDR3 consisting of the amino acid sequence of SEQ ID NO;
7, and wherein said humanized heavy chain variable domain is selected from the group consisting of;1) a light chain variable domain wherein the FR5 sequence has at least 90% identity to the amino acid sequence of SEQ ID NO;
17, the FR6 sequence has at least 90% identity to the amino acid sequence of SEQ ID NO;
18, the FR7 sequence has at least 90% identity to the amino acid sequence of SEQ ID NO;
19, and the FR8 sequence has at least 90% sequence identity to the amino acid sequence of SEQ ID NO;
20; and2) a light chain variable domain wherein the FR5 sequence has at least 90% identity to the amino acid sequence of SEQ ID NO;
17, the FR6 sequence has at least 90% identity to the amino acid sequence of SEQ ID NO;
18, the FR7 sequence has at least 90% identity to the amino acid sequence of SEQ ID NO;
21, and the FR8 sequence has at least 90% sequence identity to the amino acid sequence of SEQ ID NO;
20;wherein the amino acid at position 15 in SEQ ID NO;
19 or SEQ ID NO;
21 is tyrosine. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. An isolated antibody or antibody fragment that binds to human IL-31, comprising a humanized heavy chain variable domain comprising the amino acid sequence of SEQ ID NO:
- 44 and a humanized light chain variable domain comprising the amino acid sequence of SEQ ID NO;
26. - View Dependent Claims (20, 21, 22)
- 44 and a humanized light chain variable domain comprising the amino acid sequence of SEQ ID NO;
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34. An isolated antibody or antibody fragment that binds to human IL-31, comprising
a) a humanized heavy chain variable domain comprising: -
i) a FR1 sequence comprising the amino acid sequence of SEQ ID NO;
8 or of SEQ ID NO;
12;ii) a variable heavy domain CDR1 sequence comprising the amino acid sequence of SEQ ID NO;
1;iii) a FR2 sequence comprising the amino acid sequence of SEQ ID NO;
9 or of SEQ ID NO;
13;iv) a variable heavy domain CDR2 sequence comprising the amino acid sequence of SEQ ID NO;
2 or of SEQ ID NO;
4;v) a FR3 sequence comprising the amino acid sequence of SEQ ID NO;
10, of SEQ ID NO;
14, or of SEQ ID NO;
16;vi) a variable heavy domain CDR3 sequence comprising the amino acid sequence of SEQ ID NO;
3; andvii) a FR4 sequence comprising the amino acid sequence of SEQ ID NO;
11 or of SEQ ID NO;
15; andb) a humanized light chain variable domain comprising; i) a FR5 sequence comprising the amino acid sequence of SEQ ID NO;
17;ii) a variable light domain CDR1 sequence comprising the amino acid sequence of SEQ ID NO;
5;iii) a FR6 sequence comprising the amino acid sequence of SEQ ID NO;
18;iv) a variable light domain CDR2 sequence comprising the amino acid sequence of SEQ ID NO;
6;v) a FR7 sequence comprising the amino acid sequence of SEQ ID NO;
19 or of SEQ ID NO;
21;vi) a variable light domain CDR3 sequence comprising the amino acid sequence of SEQ ID NO;
7; andvii) a FR8 sequence comprising the amino acid sequence of SEQ ID NO;
20. - View Dependent Claims (35, 36, 37, 38)
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Specification