Antibodies to olanzapine and use thereof
Disclosed is an antibody which binds to olanzapine, which can be used to detect olanzapine in a sample such as in a competitive immunoassay method. The antibody can be used in a lateral flow assay device for point-of-care detection of olanzapine, including multiplex detection of aripiprazole, olanzapine, quetiapine, and risperidone in a single lateral flow assay device.
1. An isolated antibody or a binding fragment thereof, which binds to olanzapine, comprising:
a) a light chain variable region comprising a first complementarity-determining region (CDR1), a second complementarity-determining region (CDR2) a third complementarity-determining region (CDR3) of SEQ ID NO: 11 and having at least 90% sequence identity to the amino acid sequence of SEQ ID NO:11, and a heavy chain variable region comprising CDR1, CDR2 and CDR3 of SEQ ID NO: 12 and having at least 90% sequence identity to the amino acid sequence of SEQ ID NO:12, wherein (i) the light chain CDR1 comprises amino acid residues 44 to 54 of SEQ ID NO:11, (ii) the light chain CDR2 comprises amino acid residues 70 to 76 of SEQ ID NO:11, (iii) the light chain CDR3 comprises amino acid residues 109 to 117 of SEQ ID NO:11, (iv) the heavy chain CDR1 comprises amino acid residues 45 to 54 of SEQ ID NO:12, (v) the heavy chain CDR2 comprises amino acid residues 69 to 85 of SEQ ID NO:12, and (vi) the heavy chain CDR3 comprises amino acid residues 118 to 122 of SEQ ID NO:12;
b) a light chain variable region comprising CDR1, CDR2 and CDR3 of SEQ ID NO: 15 and having at least 90% sequence identity to the amino acid sequence of SEQ ID NO:15 and a heavy chain variable region comprising CDR1, CDR2 and CDR3 of SEQ ID NO: 16 and having at least 90% sequence identity to the amino acid sequence of SEQ ID NO:16, wherein (i) the light chain CDR1 comprises amino acid residues 44 to 54 of SEQ ID NO:15; (ii) the light chain CDR2 comprises amino acid residues 70 to 76 of SEQ ID NO:15, (iii) the light chain CDR3 comprises amino acid residues 109 to 117 of SEQ ID NO:15, (iv) the heavy chain CDR1 comprises amino acid residues 45 to 54 of SEQ ID NO:16, (v) the heavy chain CDR2 comprises amino acid residues 69 to 85 of SEQ ID NO:16, and (vi) the heavy chain CDR3 comprises amino acid residues 118 to 122 of SEQ ID NO:16;
c) a light chain variable region comprising CDR1, CDR2 and CDR3 of SEQ ID NO: 31 and having at least 90% sequence identity to the amino acid sequence of SEQ ID NO:31 and a heavy chain variable region comprising CDR1, CDR2 and CDR3 of SEQ ID NO: 32 and having at least 90% sequence identity to the amino acid sequence of SEQ ID NO:32, wherein (i) the light chain CDR1 comprises amino acid residues 44 to 54 of SEQ ID NO:31, (ii) the light chain CDR2 comprises amino acid residues 70 to 76 of SEQ ID NO:31, (iii) the light chain CDR3 comprises amino acid residues 109 to 117 of SEQ ID NO:31, (iv) the heavy chain CDR1 comprises amino acid residues 44 to 54 of SEQ ID NO:32, (v) the heavy chain CDR2 comprises amino acid residues 69 to 84 of SEQ ID NO:32; and (vi) the heavy chain CDR3 comprises amino acid residues 119 to 127 of SEQ ID NO:32;
d) a light chain variable region comprising CDR1, CDR2 and CDR3 of SEQ ID NO: 35 and having at least 90% sequence identity to the amino acid sequence of SEQ ID NO:35 and a heavy chain variable region comprising CDR1, CDR2 and CDR3 of SEQ ID NO: 36 and having at least 90% sequence identity to the amino acid sequence of SEQ ID NO:36, wherein (i) the light chain CDR1 comprises amino acid residues 44 to 54 of SEQ ID NO:35, (ii) the light chain CDR2 comprises amino acid residues 70 to 76 of SEQ ID NO:35 (Hi) the light chain CDR3 comprises amino acid residues 109 to 117 of SEQ ID NO:35, (iv) the heavy chain CDR1 comprises amino acid residues 45 to 54 of SEQ ID NO:36, (v) the heavy chain CDR2 comprises amino acid residues 69 to 87 of SEQ ID NO:36, and (vi) the heavy chain CDR3 comprises amino acid residues 120 to 127 of SEQ ID NO:36; or
e) a light chain variable region comprising CDR1, CDR2 and CDR3 of SEQ ID NO: 39 and having at least 90% sequence identity to the amino acid sequence of SEQ ID NO:39 and a heavy chain variable region comprising CDR1, CDR2 and CDR3 of SEQ ID NO: 40 and having at least 90% sequence identity to the amino acid sequence of SEQ ID NO:40, wherein (i) the light chain CDR1 comprises amino acid residues 44 to 54 of SEQ ID NO:39, (ii) the light chain CDR2 comprises amino acid residues 70 to 76 of SEQ ID NO:39, (iii) the light chain CDR3 comprises amino acid residues 109 to 117 of SEQ ID NO:39, (iv) the heavy chain CDR1 comprises amino acid residues 44 to 54 of SEQ ID NO:40, (v) the heavy chain CDR2 comprises amino acid residues 69 to 84 of SEQ ID NO:40, and (vi) the heavy chain CDR3 sequence comprising amino acid residues 120 to 127 of SEQ ID NO:40.
2. The isolated antibody or the binding fragment thereof of claim 1 , wherein the light chain variable region has at least 95% sequence identity to the amino acid sequence of SEQ ID NO:11 and the heavy chain variable region has at least 95% sequence identity to the amino acid sequence of SEQ ID NO:12.
3. The isolated antibody or the binding fragment thereof of claim 1 , wherein the light chain variable region has at least 95% sequence identity to the amino acid sequence of SEQ ID NO:15 and the heavy chain variable region has at least 95% sequence identity to the amino acid sequence of SEQ ID NO:16.
4. The isolated antibody or the binding fragment thereof of claim 1 , wherein the light chain variable region has at least 95% sequence identity to the amino acid sequence of SEQ ID NO:31 and the heavy chain variable region has at least 95% sequence identity to the amino acid sequence of SEQ ID NO:32.
5. The isolated antibody or the binding fragment thereof of claim 1 , wherein the light chain variable region has at least 95% sequence identity to the amino acid sequence of SEQ ID NO:35 and the heavy chain variable region has at least 95% sequence identity to the amino acid sequence of SEQ ID NO:36.
6. The isolated antibody or the binding fragment thereof of claim 1 , wherein the light chain variable region has at least 95% sequence identity to the amino acid sequence of SEQ ID NO:39 and the heavy chain variable region has at least 95% sequence identity to the amino acid sequence of SEQ ID NO:40.
7. The isolated antibody or the binding fragment thereof of claim 1 , wherein the binding fragment is selected from the group of fragments consisting of Fv, F(ab′), F(ab′)2, scFv, minibody and diabody fragments.
8. The isolated antibody or the binding fragment thereof of claim 1 , wherein the antibody is a monoclonal antibody.
9. An assay kit comprising the isolated antibody or the binding fragment thereof of claim 1 .
10. An assay device comprising a lateral flow assay device and the isolated antibody or the binding fragment thereof of claim 1 , wherein the isolated antibody or the binding fragment is disposed on the lateral flow assay device.
11. The assay device of claim 10 , wherein the assay device is a porous lateral flow assay device.
12. The assay device of claim 10 , wherein the assay device is a non-porous lateral flow assay device.
13. A method of detecting olanzapine in a sample, the method comprising:
(i) contacting the sample with the isolated antibody or the binding fragment thereof of claim 1 labeled with a detectable marker, wherein the labeled antibody or the labeled binding fragment thereof and olanzapine present in the sample form a labeled complex; and
(ii) detecting the labeled complex, thereby detecting olanzapine in the sample.
14. A competitive immunoassay method for detecting olanzapine in a sample, the method comprising:
(i) contacting the sample with the isolated antibody or the binding fragment thereof of claim 1 , and with olanzapine or a competitive binding partner of olanzapine, wherein one of the isolated antibody or the binding fragment thereof and the olanzapine or the competitive binding partner thereof is labeled with a detectable marker, wherein olanzapine in the sample competes with the olanzapine or the competitive binding partner thereof for binding to the isolated antibody or the binding fragment to foam a complex;
(ii) detecting the amount of the detectable marker bound to the complex; and
(iii) determining the amount of olanzapine in the sample based on the amount of bound detectable marker.
15. The method of claim 13 or 14 , further comprising detecting the presence of one or more analytes in addition to olanzapine.
16. The method of claim 15 , wherein the one or more analytes are anti-psychotic drugs other than olanzapine.
17. The method of claim 16 , wherein the anti-psychotic drugs other than olanzapine are selected from the group consisting of: risperidone, paliperidone, quetiapine, aripiprazole, and metabolites thereof.
18. The method of claim 14 , wherein the olanzapine or the competitive binding partner thereof is labeled with the detectable marker.
19. The method of claim 14 , wherein the isolated antibody or the binding fragment thereof is labeled with the detectable marker.
20. The method of claim 14 , wherein the immunoassay is performed on a lateral flow assay device and the sample is applied to the device.