ANTIBODIES TO UBIQUITIN C-TERMINAL HYDROLASE L1 (UCH-L1) AND GLIAL FIBRILLARY ACIDIC PROTEIN (GFAP) AND RELATED METHODS
Anti-UCH-L1 antibodies and anti-GFAP antibodies and their use in in vitro detection of UCH-L1 and GFAP, respectively, in a sample from an individual, such as an individual known or suspected of having a brain injury or damage, for example, neurological damage such as mild traumatic brain injury. Also provided are methods, systems and kits for diagnosing brain injury or damage, such as neurological damage, in an individual with the aforementioned antibodies as well as compositions including the anti-UCH-L1 antibodies and anti-GFAP antibodies.
1 . An antibody or antigen-binding fragment thereof that specifically binds to a human glial fibrillary acidic protein (GFAP), comprising:
a heavy chain variable region that comprises CDR-H1, CDR-H2, and CDR-H3 amino acid sequences, wherein
(i) the CDR-H1 amino acid sequence comprises any of SEQ ID NOs:77-90,
(ii) the CDR-H2 amino acid sequence comprises any of SEQ ID NOs:91-107, and
(iii) the CDR-H3 amino acid sequence comprises any of SEQ ID NOs:108-124; and
a light chain variable region that comprises CDR-L1, CDR-L2, and CDR-L3 amino acid sequences, wherein
(i) the CDR-L1 amino acid sequence comprises any of SEQ ID NOs:125-141,
(ii) the CDR-L2 amino acid sequence comprises any of SEQ ID NOs:142-156, and
(iii) the CDR-L3 amino acid sequence comprises any of SEQ ID NOs:157-171.
2 . The antibody or antigen-binding fragment of claim 1 , wherein:
the heavy chain variable region comprises
(i) the CDR-H1 amino acid sequence comprising SEQ ID NO:77,
(ii) the CDR-H2 amino acid sequence comprising SEQ ID NO:91, and
(iii) the CDR-H3 amino acid sequence comprising SEQ ID NO:108; and
the light chain variable region comprises
(i) the CDR-L1 amino acid sequence comprising SEQ ID NO:125,
(ii) the CDR-L2 amino acid sequence comprising SEQ ID NO:142, and
(iii) the CDR-L3 amino acid sequence comprising SEQ ID NO:157.
3 . The antibody or antigen-binding fragment of claim 2 , wherein
the heavy chain variable region comprises SEQ ID NO:172, and
the light chain variable region comprises SEQ ID NO:189.
4 . The antibody or antigen-binding fragment of claim 1 , wherein:
the heavy chain variable region comprises
(i) the CDR-H1 amino acid sequence comprising SEQ ID NO:78,
(ii) the CDR-H2 amino acid sequence comprising SEQ ID NO:92, and
(iii) the CDR-H3 amino acid sequence comprising SEQ ID NO:109; and
the light chain variable region comprises
(i) the CDR-L1 amino acid sequence comprising SEQ ID NO:126,
(ii) the CDR-L2 amino acid sequence comprising SEQ ID NO:143, and
(iii) the CDR-L3 amino acid sequence comprising SEQ ID NO:158.
5 . The antibody or antigen-binding fragment of claim 4 , wherein
the heavy chain variable region comprises SEQ ID NO:173, and
the light chain variable region comprises SEQ ID NO:190.
6 . The antibody or antigen-binding fragment of claim 1 , wherein:
the heavy chain variable region comprises
(i) the CDR-H1 amino acid sequence comprising SEQ ID NO:79,
(ii) the CDR-H2 amino acid sequence comprising SEQ ID NO:93, and
(iii) the CDR-H3 amino acid sequence comprising SEQ ID NO:110; and
the light chain variable region comprises
(i) the CDR-L1 amino acid sequence comprising SEQ ID NO:127,
(ii) the CDR-L2 amino acid sequence comprising SEQ ID NO:144, and
(iii) the CDR-L3 amino acid sequence comprising SEQ ID NO:159.
7 . The antibody or antigen-binding fragment of claim 6 , wherein
the heavy chain variable region comprises SEQ ID NO:174, and
the light chain variable region comprises SEQ ID NO:191.
8 . The antibody or antigen-binding fragment of claim 1 , wherein:
the heavy chain variable region comprises
(i) the CDR-H1 amino acid sequence comprising SEQ ID NO:77,
(ii) the CDR-H2 amino acid sequence comprising SEQ ID NO:94, and
(iii) the CDR-H3 amino acid sequence comprising SEQ ID NO:111; and
the light chain variable region comprises
(i) the CDR-L1 amino acid sequence comprising SEQ ID NO:128,
(ii) the CDR-L2 amino acid sequence comprising SEQ ID NO:145, and
(iii) the CDR-L3 amino acid sequence comprising SEQ ID NO:160.
9 . The antibody or antigen-binding fragment of claim 8 , wherein
the heavy chain variable region comprises SEQ ID NO:175, and
the light chain variable region comprises SEQ ID NO:192.
10 . The antibody or antigen-binding fragment of claim 1 , wherein:
the heavy chain variable region comprises
(i) the CDR-H1 amino acid sequence comprising SEQ ID NO:80,
(ii) the CDR-H2 amino acid sequence comprising SEQ ID NO:95, and
(iii) the CDR-H3 amino acid sequence comprising SEQ ID NO:1112; and
the light chain variable region comprises
(i) the CDR-L1 amino acid sequence comprising SEQ ID NO:126,
(ii) the CDR-L2 amino acid sequence comprising SEQ ID NO:142, and
(iii) the CDR-L3 amino acid sequence comprising SEQ ID NO:158.
11 . The antibody or antigen-binding fragment of claim 10 , wherein
the heavy chain variable region comprises SEQ ID NO:176, and
the light chain variable region comprises SEQ ID NO:193.
12 . The antibody or antigen-binding fragment of claim 1 , wherein:
the heavy chain variable region comprises
(i) the CDR-H1 amino acid sequence comprising SEQ ID NO:81,
(ii) the CDR-H2 amino acid sequence comprising SEQ ID NO:96, and
(iii) the CDR-H3 amino acid sequence comprising SEQ ID NO:113; and
the light chain variable region comprises
(i) the CDR-L1 amino acid sequence comprising SEQ ID NO:129,
(ii) the CDR-L2 amino acid sequence comprising SEQ ID NO:146, and
(iii) the CDR-L3 amino acid sequence comprising SEQ ID NO:161.
13 . The antibody or antigen-binding fragment of claim 12 , wherein
the heavy chain variable region comprises SEQ ID NO:177, and
the light chain variable region comprises SEQ ID NO:194.
14 . The antibody or antigen-binding fragment of claim 1 , wherein:
the heavy chain variable region comprises
(i) the CDR-H1 amino acid sequence comprising SEQ ID NO:77,
(ii) the CDR-H2 amino acid sequence comprising SEQ ID NO:94, and
(iii) the CDR-H3 amino acid sequence comprising SEQ ID NO:111; and
the light chain variable region comprises
(i) the CDR-L1 amino acid sequence comprising SEQ ID NO:130,
(ii) the CDR-L2 amino acid sequence comprising SEQ ID NO:145, and
(iii) the CDR-L3 amino acid sequence comprising SEQ ID NO:160.
15 . The antibody or antigen-binding fragment of claim 14 , wherein
the heavy chain variable region comprises SEQ ID NO:175, and
the light chain variable region comprises SEQ ID NO:195.
16 . The antibody or antigen-binding fragment of claim 1 , wherein:
the heavy chain variable region comprises
(i) the CDR-H1 amino acid sequence comprising SEQ ID NO:82,
(ii) the CDR-H2 amino acid sequence comprising SEQ ID NO:97, and
(iii) the CDR-H3 amino acid sequence comprising SEQ ID NO:114; and
the light chain variable region comprises
(i) the CDR-L1 amino acid sequence comprising SEQ ID NO:131,
(ii) the CDR-L2 amino acid sequence comprising SEQ ID NO:147, and
(iii) the CDR-L3 amino acid sequence comprising SEQ ID NO:162.
17 . The antibody or antigen-binding fragment of claim 16 , wherein
the heavy chain variable region comprises SEQ ID NO:178, and
the light chain variable region comprises SEQ ID NO:196.
18 . The antibody or antigen-binding fragment of claim 1 , wherein:
the heavy chain variable region comprises
(i) the CDR-H1 amino acid sequence comprising SEQ ID NO:83,
(ii) the CDR-H2 amino acid sequence comprising SEQ ID NO:98, and
(iii) the CDR-H3 amino acid sequence comprising SEQ ID NO:115; and
the light chain variable region comprises
(i) the CDR-L1 amino acid sequence comprising SEQ ID NO:132,
(ii) the CDR-L2 amino acid sequence comprising SEQ ID NO:148, and
(iii) the CDR-L3 amino acid sequence comprising SEQ ID NO:163.
19 . The antibody or antigen-binding fragment of claim 18 , wherein
the heavy chain variable region comprises SEQ ID NO:179, and
the light chain variable region comprises SEQ ID NO:197.
20 . The antibody or antigen-binding fragment of claim 1 , wherein:
the heavy chain variable region comprises
(i) the CDR-H1 amino acid sequence comprising SEQ ID NO:84,
(ii) the CDR-H2 amino acid sequence comprising SEQ ID NO:99, and
(iii) the CDR-H3 amino acid sequence comprising SEQ ID NO:116; and
the light chain variable region comprises
(i) the CDR-L1 amino acid sequence comprising SEQ ID NO:126,
(ii) the CDR-L2 amino acid sequence comprising SEQ ID NO:180, and
(iii) the CDR-L3 amino acid sequence comprising SEQ ID NO:198.
21 . The antibody or antigen-binding fragment of claim 20 , wherein
the heavy chain variable region comprises SEQ ID NO:180, and
the light chain variable region comprises SEQ ID NO:198.
22 . The antibody or antigen-binding fragment of claim 1 , wherein:
the heavy chain variable region comprises
(i) the CDR-H1 amino acid sequence comprising SEQ ID NO:85,
(ii) the CDR-H2 amino acid sequence comprising SEQ ID NO:100, and
(iii) the CDR-H3 amino acid sequence comprising SEQ ID NO:117; and
the light chain variable region comprises
(i) the CDR-L1 amino acid sequence comprising SEQ ID NO:134,
(ii) the CDR-L2 amino acid sequence comprising SEQ ID NO:150, and
(iii) the CDR-L3 amino acid sequence comprising SEQ ID NO:165.
23 . The antibody or antigen-binding fragment of claim 22 , wherein
the heavy chain variable region comprises SEQ ID NO:181, and
the light chain variable region comprises SEQ ID NO:199.
24 . The antibody or antigen-binding fragment of claim 1 , wherein:
the heavy chain variable region comprises
(i) the CDR-H1 amino acid sequence comprising SEQ ID NO:86,
(ii) the CDR-H2 amino acid sequence comprising SEQ ID NO:101, and
(iii) the CDR-H3 amino acid sequence comprising SEQ ID NO:118; and
the light chain variable region comprises
(i) the CDR-L1 amino acid sequence comprising SEQ ID NO:135,
(ii) the CDR-L2 amino acid sequence comprising SEQ ID NO:151, and
(iii) the CDR-L3 amino acid sequence comprising SEQ ID NO:166.
25 . The antibody or antigen-binding fragment of claim 24 , wherein
the heavy chain variable region comprises SEQ ID NO:182, and
the light chain variable region comprises SEQ ID NO:200.
26 . The antibody or antigen-binding fragment of claim 1 , wherein:
the heavy chain variable region comprises
(i) the CDR-H1 amino acid sequence comprising SEQ ID NO:78,
(ii) the CDR-H2 amino acid sequence comprising SEQ ID NO:102, and
(iii) the CDR-H3 amino acid sequence comprising SEQ ID NO:119; and
the light chain variable region comprises
(i) the CDR-L1 amino acid sequence comprising SEQ ID NO:136,
(ii) the CDR-L2 amino acid sequence comprising SEQ ID NO:152, and
(iii) the CDR-L3 amino acid sequence comprising SEQ ID NO:167.
27 . The antibody or antigen-binding fragment of claim 26 , wherein
the heavy chain variable region comprises SEQ ID NO:183, and
the light chain variable region comprises SEQ ID NO:201.
28 . The antibody or antigen-binding fragment of claim 1 , wherein:
the heavy chain variable region comprises
(i) the CDR-H1 amino acid sequence comprising SEQ ID NO:78,
(ii) the CDR-H2 amino acid sequence comprising SEQ ID NO:103, and
(iii) the CDR-H3 amino acid sequence comprising SEQ ID NO:120; and
the light chain variable region comprises
(i) the CDR-L1 amino acid sequence comprising SEQ ID NO:137,
(ii) the CDR-L2 amino acid sequence comprising SEQ ID NO:142, and
(iii) the CDR-L3 amino acid sequence comprising SEQ ID NO:158.
29 . The antibody or antigen-binding fragment of claim 28 , wherein
the heavy chain variable region comprises SEQ ID NO:184, and
the light chain variable region comprises SEQ ID NO:202.
30 . The antibody or antigen-binding fragment of claim 1 , wherein:
the heavy chain variable region comprises
(i) the CDR-H1 amino acid sequence comprising SEQ ID NO:87,
(ii) the CDR-H2 amino acid sequence comprising SEQ ID NO:104, and
(iii) the CDR-H3 amino acid sequence comprising SEQ ID NO:121; and
the light chain variable region comprises
(i) the CDR-L1 amino acid sequence comprising SEQ ID NO:138,
(ii) the CDR-L2 amino acid sequence comprising SEQ ID NO:153, and
(iii) the CDR-L3 amino acid sequence comprising SEQ ID NO:168.
31 . The antibody or antigen-binding fragment of claim 30 , wherein
the heavy chain variable region comprises SEQ ID NO:185, and
the light chain variable region comprises SEQ ID NO:203.
32 . The antibody or antigen-binding fragment of claim 1 , wherein:
the heavy chain variable region comprises
(i) the CDR-H1 amino acid sequence comprising SEQ ID NO:88,
(ii) the CDR-H2 amino acid sequence comprising SEQ ID NO:105, and
(iii) the CDR-H3 amino acid sequence comprising SEQ ID NO:122; and
the light chain variable region comprises
(i) the CDR-L1 amino acid sequence comprising SEQ ID NO:139,
(ii) the CDR-L2 amino acid sequence comprising SEQ ID NO:154, and
(iii) the CDR-L3 amino acid sequence comprising SEQ ID NO:169.
33 . The antibody or antigen-binding fragment of claim 32 , wherein
the heavy chain variable region comprises SEQ ID NO:186, and
the light chain variable region comprises SEQ ID NO:204.
34 . The antibody or antigen-binding fragment of claim 1 , wherein:
the heavy chain variable region comprises
(i) the CDR-H1 amino acid sequence comprising SEQ ID NO:89,
(ii) the CDR-H2 amino acid sequence comprising SEQ ID NO:106, and
(iii) the CDR-H3 amino acid sequence comprising SEQ ID NO:123; and
the light chain variable region comprises
(i) the CDR-L1 amino acid sequence comprising SEQ ID NO:140,
(ii) the CDR-L2 amino acid sequence comprising SEQ ID NO:155, and
(iii) the CDR-L3 amino acid sequence comprising SEQ ID NO:170.
35 . The antibody or antigen-binding fragment of claim 34 , wherein
the heavy chain variable region comprises SEQ ID NO:187, and
the light chain variable region comprises SEQ ID NO:205.
36 . The antibody or antigen-binding fragment of claim 1 , wherein:
the heavy chain variable region comprises
(i) the CDR-H1 amino acid sequence comprising SEQ ID NO:90,
(ii) the CDR-H2 amino acid sequence comprising SEQ ID NO:107, and
(iii) the CDR-H3 amino acid sequence comprising SEQ ID NO:124; and
the light chain variable region comprises
(i) the CDR-L1 amino acid sequence comprising SEQ ID NO:141,
(ii) the CDR-L2 amino acid sequence comprising SEQ ID NO:156, and
(iii) the CDR-L3 amino acid sequence comprising SEQ ID NO:171.
37 . The antibody or antigen-binding fragment of claim 36 , wherein
the heavy chain variable region comprises SEQ ID NO:188, and
the light chain variable region comprises SEQ ID NO:206.
38 . The antibody or antigen-binding fragment of claim 1 , wherein
the heavy chain variable region comprises any of SEQ ID NOs:172-188, and
the light chain variable region comprises any of SEQ ID NOs:189-206.
39 . The antibody or antigen-binding fragment of claim 1 , wherein the antibody or antigen-binding fragment binds UCH-L1 with a dissociation constant (K D ) of less than about 1.0×10 −8 M.
40 . The antibody or antigen-binding fragment of claim 1 , wherein the antibody or antigen-binding fragment binds UCH-L1 with a dissociation constant (K D ) of from about 1.0×10 −8 M to 1.0×10 −12 M.
41 . The antibody or antigen-binding fragment of claim 1 , wherein the antibody or antigen-binding fragment binds to an epitope within or that is or includes residues 92-106 of GFAP protein, residues 190-202 of GFAP protein, residues 16-35 and/or 380 of GFAP protein, residues 119 and/or 190 of GFAP protein, residues 380-391 of GFAP protein, residues 119-130 of GFAP protein, residues 210-221 of GFAP protein, residues 320-329 of GFAP protein, residues 346-357 and/or 376-387 of GFAP protein and/or within residues 138-149 of GFAP protein corresponding to amino acid positions set forth in SEQ ID NO:212.
42 . A method of detecting GFAP in a human subject, the method comprising:
contacting a sample with the antibody or antigen-binding fragment of 1 under conditions that form a complex comprising the antibody or antigen-binding fragment and GFAP; and
detecting the complex in the sample so as to detect GFAP.