WO2011135026A1 - Amino acid sequences of nanobodies directed against p19 subunit of the heterodimeric cytokine il-23 - Google Patents
Amino acid sequences of nanobodies directed against p19 subunit of the heterodimeric cytokine il-23 Download PDFInfo
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- WO2011135026A1 WO2011135026A1 PCT/EP2011/056736 EP2011056736W WO2011135026A1 WO 2011135026 A1 WO2011135026 A1 WO 2011135026A1 EP 2011056736 W EP2011056736 W EP 2011056736W WO 2011135026 A1 WO2011135026 A1 WO 2011135026A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/18—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
- C07K16/24—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against cytokines, lymphokines or interferons
- C07K16/244—Interleukins [IL]
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/76—Albumins
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/46—Hybrid immunoglobulins
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/46—Hybrid immunoglobulins
- C07K16/468—Immunoglobulins having two or more different antigen binding sites, e.g. multifunctional antibodies
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/20—Immunoglobulins specific features characterized by taxonomic origin
- C07K2317/22—Immunoglobulins specific features characterized by taxonomic origin from camelids, e.g. camel, llama or dromedary
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
- C07K2317/56—Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
- C07K2317/569—Single domain, e.g. dAb, sdAb, VHH, VNAR or nanobody®
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/90—Immunoglobulins specific features characterized by (pharmaco)kinetic aspects or by stability of the immunoglobulin
- C07K2317/94—Stability, e.g. half-life, pH, temperature or enzyme-resistance
Definitions
- the present invention relates to amino acid sequences that are directed against the pi 9 subunit of IL-23; as well as protein, constructs and compounds comprising the same; and also nucleic acids encoding the same.
- WO 09/068627 or in the prior art cited in WO 09/068627.
- a method or technique is not specifically described herein, it can be perfonned as described in WO 09/068627 (or in the prior art cited in WO 09/068627).
- the term "Nanobody” is as defined in WO 09/068627, and thus in a specific aspect generally denotes a VHH, a humanized VHH or a camelized VH (such as a came!ized human VH).
- WO 09/068627 describe a number of amino acid sequences that are directed against (as defined in WO 09/068627) pi 9 (see for example the "P I 9+” and "PI -" sequences mentioned in Table A-2 of WO 09/068627, as well as Figures 20-21 and the examples of WO 09/068627).
- WO 09/068627 also describes humanized variants of these P 19 sequences, as well as multivalent, multi specific and/or biparatopic constructs (as defined in WO 09/068627) that are directed against (the p l 9 subunit present in) IL-23 and that comprise at least one such pi 9 sequence.
- WO 09/068627 One particularly preferred example of an amino acid sequence against the P 19 subunit from WO 09/068627 is the sequence called 1 19A3 (see SEQ ID NO: 1898 in WO 09/068627): EVQLVESGGGLVQAGGSLRLSCAASGRIFSLPASGNIFNLLTIAWBRQAPGMQREL VAT1NSGSRTNYADSV GRFT1SRDNAQ TVYLQMNNLKPEDTAVYYCQTSGSGS PNFWGQGTQVTVSS (SEQ ID NO: l) WO 09/068627 also describes a number of variants of 1 19A3. and in parti cular the variants
- P23IL 1 ] 9A3(H37Y) (SEQ ID NO: 2559 in WO 09/068627), P23IL 1 19A3( 43K) (SEQ ID NO: 2560 in WO 09/068627), P231L J 19A3(H37Y-M43K) (SEQ ID NO: 2560 in WO 09/068627, also given in the attached, sequence listing as SEQ ID NO:2) and a series of humanized variants of 1 19A3 (with the H37Y and M43K mutations) called P23IL 1 19A3-BASIC and
- P23IL1 19A3V1 to P23IL1 19A3V I 7 (SEQ ID NOs: 2561 to 2579 in WO 09/068627.
- the sequence of P231L 1 19A3V 17 is also given in the attached sequence listing as SEQ ID NO:3).
- WO 09/068627 further gives some non-limiting examples of multivalent, multispecific and/or biparatopic constructs that comprising 1 19A3 or humanized variants thereof (see for example SEQ ID NO's: 2151 to 2159, 2533, 2537, 2539, 2541 to 2547 and 2615 to 2628).
- the anti pi 9 sequences and constructs from WO 09/068627 and the US provisional application 61/181 ,384 show excellent biological activity and other desired properties. However, this does not mean that an anti pi 9 sequence that would have (even further) improved properties would not be a valuable addition to the art.
- the invention provides such improved p i 9 binders, and in particular (even further) improved variants of the sequences 1 19A3 (SEQ ID NO: l ), P23IL 1 19A3(H37Y-M.43K) (SEQ ID NO:2) and PMP 1 19A3v37 (SEQ ID NO:3).
- amino acid sequences provided by the invention are humanized variants of 1 19A3 that comprise, at position 78 (numbering according to WO 09/068627), a valine residue.
- an amino acid sequence of the invention may be a humanized variant of P23IL3 19A3 (H37Y-M43K) (SEQ ID NO:2) that comprises, at position 78 (numbering according to WO 09/068627), a valine residue, in this respect, it should be noted that although the "wild type" PMP 1 9A3 naturally contains a V at position 78, and although WO 09/068627 also describes three variants of PMP 1 19A3 - called P23IL 1 19A3(H37Y) (see SEQ ID NO: 2559) P231L1 19A3(M43K) (see SEQ ID NO: 2560); and P231L1 19A3(H37Y-M43K) (see SEQ ID NO: 2561 ), respectively - that contain a V at
- a "humanized variant" of an amino acid sequence is a variant that comprises one or more "humanizing” substitutions, as defined herein.
- an amino acid sequence of the invention contains at least one such humanizing substitution, and preferably at least two such humanizing substitutions, and preferably at least three humanizing substitutions.
- the amino acid sequences of the invention preferably comprise a maximum of seven humanizing substitutions, and preferably a total of three, four or five humanizing substitutions (although the maximum number may in some cases not be critical, depending on the humanizing substitutions chosen).
- Some preferred, but non-limiting examples of such humanizing substitutions will become clear from the further description herein, and for example include, without limitation, A14P, Q75 , N82bS and/or A49S.
- amino acid sequences of the invention may contain one or more other/further substitutions.
- substitutions (a) to (c)) may include (and preferably essentially consist of) one or more of the following substitutions (also referred, to herein as "substitutions (a) to (c)":
- substitutions in which a "camelid" amino acid residue at a certain position is replaced by a different camelid” amino acid residue that occurs at said position (for which reference is for example made to Figures 1 -4).
- Some non- limiting examples of such substitutions are V5L, M43K (substitution to the residue that is most prevalent in this position in both human VH's as well as VHH's). S49A and/or A74S; and/or
- substitutions that improve the (other) properties of the protein such as substitutions that improve the long-term stability and/or properties under storage of the protein.
- substitutions that prevent or reduce oxidation events for example, of methionine residues
- substitutions that prevent or reduce pyrogiutamate formation for example, of aminoethyl-N-(2-aminoethyl)-N-(2-aminoethyl)-N-(2-aminoe)-2-dioethyl)-2-diol-N-(2-aminoe)-2-dioethyl-N-(2-aminoe)-2-dioethyl-N-(2-aminoe)
- substitutions that prevent or reduce oxidation events for example, of methionine residues
- pyrogiutamate formation for example, of aminoethyl-N-(2-aminoethyl)-N-(2-aminoethyl)-
- substitutions For such substitutions, reference is for example made to the International application WO 09/095235, which is generally directed to methods for stabilizing single immunoglobulin variable domains by means of such substitutions, and also gives some specific example of suitable substitutions (see for example pages 4 and 5 and pages 10 to 15).
- One example of such substitution may be to replace an NS motif at positions 82a and 82b with an NN motif; or any suitable combination of two or more of any of the foregoing substitutions (a) to (c).
- amino acid sequences of the invention contain at least one "amino acid difference" compared to each of the sequences of 1 19A3, P23IL1 19A3(H37Y-M43K) and 1 19A3vl 7, respectively (in which the term "amino acid difference” is used herein in the same meaning as defined in WO 09/068627, namely as an insertion, deletion or substitution of a single amino acid residue on a position of the first sequence, compared to the second sequence; it being understood that two amino acid sequences can contain one, two or more such amino acid differences. In the context of the present invention, any amino acid difference is preferably a substitution).
- the amino acid sequences of the invention contain at least one humanizing substitution (as defined herein), and may optionally contain one or more further substitutions (such as any one of, or any suitable combination of any two or more of, the further substitutions (a) to (c) as mentioned herein).
- the amino acid sequences of the invention contains at least the substitution L78V, and may optionally one or more further humanizing substitutions (as described herein) and/or may optionally one or more further substitutions (such as any one of, or any suitable combination of any two or more of, the further substitutions (a) to (c) as mentioned herein); or a suitable combination of such humanizing substitutions and such other substitutions.
- the amino acid sequences of the invention contain a total of between 7 and 1 5, preferably between 9 and 13, such as 10, 1 1 or 12 amino acid differences (as defined herein by reference to the definition used in WO 09/068627) compared to the wild-type sequence of 1 19A3.
- these differences preferably at least comprise one and preferably both of the substitutions H37Y and/or M43K, and at least one, preferably at least two, such as three, four or five humanizing substitutions, and may optionally one or more further substitutions (such as any one of, or any suitable combination of any two or more of, the further substitutions (a) to (c) as mentioned herein).
- the skilled person will be able to select (a suitable combination of) one or more such suitable humanizing and/or further substitutions.
- the amino acid sequences of the in vention contain a total of between 1 and 5, such as one, two or three amino acid differences compared to the sequence ofl 19A3vl7, in which at least one of these amino acid differences is the substitution L78V and the other substitutions may for example be. and preferably are, either one or more further humanizing substitutions (compared to the humanizing substitutions already present in
- these amino acid differences compared to 1 1 A3 and/or 1 1 Avl 7 are most preferably located in the framework regions (defined according to Kabat, reference is again made to WO 09/068627), although it is not fully excluded that a very limited number of these amino acid differences (such as for example only one or two) may be present in the CDR's (as long as these do not detract (too much) from the desired affinity, on-rate or off-rate (for example, such amino acid differences in the CDR ' s may be introduced as a result of affinity maturation).
- a preferred, but non-limiting example of a suitable substitution in one of the CDR's may be the substitution N52E.
- a preferred, but non-limiting example of an amino acid sequence of the invention is the sequence ! 39A3vl 8, which corresponds to the sequence 1 1 9A3v l 7, but with a valine at position 78 (where 1 19A3vl7 comprises a leucine at position 78).
- amino acid sequences of the invention may for example contain a total of between one and five, such as one. two or three amino acid differences compared to the sequence of 1. 1.9A3v3 8 (while retaining the valine at position 78), in which such amino acid differences may for example be, and most preferably are, either one or more further humanizing substitutions (such as, for example the humanizing substitution A49S) and/or any one of, or any suitable combination of any two or more of, the further substitutions (a) to (c) as mentioned herein (such as for example, the substitutions N52E and/or S82bN).
- further humanizing substitutions such as, for example the humanizing substitution A49S
- the further substitutions (a) to (c) as mentioned herein such as for example, the substitutions N52E and/or S82bN).
- variants of 1 19A3v l 8 are 1 19A3v20 (SEQ ID NO: 5), 1 19A3v21 (SEQ ID NO: 6) and 1 19A3v22 (SEQ ID NO: 7), and these specific variants (and polypeptides of the invention comprising the same, as further described herein) form further aspects of the invention.
- humanized variants of 1 19A3 that comprise a valine at position 78 may give higher expression or production yields and/or may have other advantages compared to (the corresponding) humanized variants of 1 19A3 that comprise a leucine at position 78.
- the invention relates to an amino acid sequence
- substitutions as defined herein; (iv) as well as optionally one or more further suitable amino acid substitutions (preferably, any one of, or any suitable combination of any two or more of, the further substitutions (a) to (c) as mentioned herein).
- such a variant of 3 19A3 preferably contains (i) a total of between 7 and 15, preferably between 9 and 13, such as 10, 1 1 or 12 amino acid differences compared to the wild- type sequence of 1 19A3; and (ii) a maximum of seven humanizing substitutions, and preferably a total of three, four or five humanizing substitutions (although the maximum number may in some cases not be critical, depending on the humanizing substitutions chosen).
- the invention relates to an amino acid sequence (i.e. an amino acid sequence of the invention) that is a (humanized) variant of 1 19A3(H37Y-M43K) (SEQ ID NO:2) that comprises, compared to the amino acid sequence of PMP 1 19A3(H37Y-M43K), (i) a valine residue at position 78; (ii) at least one, preferably at least two, and more preferably three, four of five humanizing substitutions (as defined herein); (iii) as well as optionally one or more further suitable amino acid substitutions (preferably, any one of, or any suitable combination of any two or more of, the further substitutions (a) to (c) as mentioned herein).
- amino acid sequence i.e. an amino acid sequence of the invention
- SEQ ID NO:2 that comprises, compared to the amino acid sequence of PMP 1 19A3(H37Y-M43K), (i) a valine residue at position 78; (ii) at least one, preferably at least
- Such a variant of 1 19A3(H37Y-M43 ) preferably contains (i) a total of between 5 and 13, preferably between 7 and 1 1 , such as 9, 10 or 3 1 amino acid differences compared to the sequence of 1 1 9A3 (H37Y- 43K); and (ii) a maximum of seven humanizing substitutions, and preferably a total of three, four or five humanizing substitutions (although the maximum number may in some cases not be critical, depending on the humanizing substitutions chosen).
- the invention relates to an amino acid sequence (i.e. an amino acid sequence of the invention) that is a variant of 1 19A3 l 7 that comprises, compared to the amino acid sequence of 1 19A3v l 7, (i) a valine residue at position 78; (ii) optionally 1 to 5, such as one, two or three further amino acid differences compared to the sequence of 1 19A3vl 7. in which said amino acid differences are preferably substitutions and more preferably substitutions that are chosen from one or more further humanizing substitutions (compared to the humanizing substitutions already present in 1 !9A3vl 7) and/or from any one of, or any suitable combination of any two or more of, the further substitutions (a) to (c) as mentioned herein.
- amino acid sequence i.e. an amino acid sequence of the invention
- 1 19A3 l 7 that comprises, compared to the amino acid sequence of 1 19A3v l 7, (i) a valine residue at position 78; (ii) optionally 1 to 5, such as
- amino acid sequences of the invention include, without limitation 1 19A3vl 8, 1 19A3v20, ⁇ 9 ⁇ 3 ⁇ 21 and 1 19A3v22 (SEQ ID NO's: 4 to 7), and these form further preferred aspects of the invention.
- the invention also relates to proteins and polypeptides that comprise or essentially consist of an amino acid sequence of the invention.
- a humanizing substitution can generally be defined as a substitution whereby an amino acid residue that occurs in a framework regions of a camelid VHH domain is replaced by a different amino acid that occurs at the same position in the framework region of a human V H domain (and preferably, a human V H 3 domain).
- suitable humanizing substitutions will be clear to the skilled person based on the disclosure herein, the disclosure in WO 09/068627, and from a comparison of the amino acid sequence of a given V H H sequence and one or more human V H sequences.
- Figures 1 -4 which have been taken from Tables A-6 to A-9 of WO 09/068627, which list some of the amino acid residues that have been found to occur in the framework regions of camelid VHH domains, and the corresponding amino acid residue(s) that most often occur in the framework regions of a human VH3 sequence (such as for example, the germline sequences DP -47, DP-51 or DP -29).
- the humanizing substitutions that can be taken from these Figures are also some of the preferred humanizing substitutions used in the invention; however, it may also be possible to use humanizing substitutions that have been obtained by comparison with other germline sequences (from the VH3 class or sometimes also from other V H classes).
- particularly suited and/or optimal humanizing substitutions may generally be determined by limited trial and error, i.e. by introducing one or more envisaged humanizing substitutions and testing the humanized variants thus obtained for one or more desired properties, such as melting temperature, affinity, potency, properties upon formatting, expression ievels in a desired host organism, and/or other desired properties for VHH domains or Nanobodies or proteins/polypeptides comprising the same, for which again reference is made to WO 09/068627 and the further patent applications by applicant mentioned therein).
- desired properties such as melting temperature, affinity, potency, properties upon formatting, expression ievels in a desired host organism, and/or other desired properties for VHH domains or Nanobodies or proteins/polypeptides comprising the same, for which again reference is made to WO 09/068627 and the further patent applications by applicant mentioned therein).
- an amino acid sequence of the invention may comprise one of, any two of and preferably all three of the substitutions A 14P, Q75 and/or N82bS (although as mentioned, it may be desirable to have an N motif at positions 82a/82b rather than a NS motif), which are all present in 1 19A3v l 7 (WO 09/068627) and in 1 19A3vl8 (invention); and may for example also comprise the substitution A49S (for example, compared to 1 19A3vl 8).
- any substitutions at any of the camelid "Hallmark residues” should not be counted as a "humanizing substitution”.
- Such substitutions at any of the Hallmark residues may or may not be present, and which when present may or may not be a substitution in which an amino acid residue in a VHH is replaced by an amino acid residue that occurs at the same position of a human V H sequence.
- such a substitution at a Hallmark residue may for example also be a substitution in which an amino acid residue that occurs at the Hallmark position is replaced by another amino acid residue that occurs at said position in camelid VHH sequences (reference is again made to Figures 1 -4).
- Examples of such substitutions at Hallmark residues which may be present in the amino acid sequences of the invention, compared to the sequence of 1 19A3, are one of, any two, any three of and preferably all four of H37Y, Q44G, K84R and/or Q 1.08L. These are all present in for example 1 1.9A3vl 7 (WO 09/068627) and in 1 19A3v1 8 (invention).
- Suitable examples of other/further substitutions that may be present, compared to for example the sequence of 1 19 A3, 1 19A3vl 7 and/or 1 19A3vl 8, are any one of, or any suitable combination of any two or more of, the further substitutions (a) to (c) as mentioned herein, and/or for example also the substitution N52E.
- amino acid sequences of the invention are directed against IL-23 (and in particular, the p i 9 subunit of IL-23) and are improved variants for 1 19A3 and its (humanized) variants as described in WO
- the amino acid sequences of the invention can be used for the same purposes, uses and applications as described in WO 09/068627, for example to modulate signaling that is mediated by IL-23 and/or its receptor(s): and/or in the prevention or treatment of diseases associated with IL-23 and/or with signaling that is mediated by IL-23, such as for example inflammation and inflammatory disorders such as bowel diseases (colitis, Crohn 'disease, IBD), infectious diseases, psioriasis, cancer, autoimmune diseases (such as MS), carcoidis, transplant rejection, cystic fibrosis, asthma, chronic obstructive pulmonary disease, rheumatoid arthritis, viral infection, common variable immunodeficiency, and the various diseases and disorders mentioned in the prior art cited herein. Further reference is made to WO 09/068627.
- amino acid sequences of the invention are "p! 9+" sequences (as defined in WO 09/068627), and thus may in particular be used for the same purposes as described in WO 09/068627for other "p 1 9+ sequences".
- the amino acid sequences of the invention may be used as an improved alternative to 1 19A3 and the humanized variants thereof, and thus may in particular be used for the same purposes as described in WO 09/068627 for 1 19A3 and its humanized variants.
- one of these applications of p i 9+ sequences and/or 1 19A3 and its humanized variants is as a building block in compounds or constructs that comprise, next to one or more amino acid sequences of the invention, and one or more other groups, residues, moieties, binding domains or binding units (as described in WO 09/068627).
- one or more further binding domains or binding units may be other
- VHH's immunoglobulin single variable domains
- dAb's single domain antibodies
- these may for example be directed against p ! 9 or against another subunit of a heterodimeric cytokine of the IL-12/IL-23 family, such as p40.
- such a compound or construct may be a bivalent or multivalent, bispecific or multispecific, and/or biparatopsc construct (as described in WO 09/068627) that comprises, in addition to one or more (and preferably one) amino acid sequence of the invention, one or more other Nanobodies, such as, for example and without limitation, one or more of the Nanobodies described, mentioned and/or referred to in WO 09/068627.
- WO 09/068627 Reference is for example made to pages 12 to 16, pages 27 to 30 and to the constructs comprising at least one pi 9+ sequence as mentioned on page 31 of WO 09/068627.
- such another Nanobody may for example be another Nanobody against pl9 or a Nanobody against p40, or any other suitable Nanobody.
- such compounds or constructs may also have been modified to increase their half-life (e.g. by circulation) or may comprise and/or may be fused to a protein or binding unit that provides for increased half-life (for example, albumin or a binding unit or binding peptide that can bind to a serum protein such as albumin).
- Such compounds and (bivalent or multivalent, bispecific or multispecific, and/or biparatopic) constructs are preferably proteins and polypeptides (i.e. encoded by a nucleotide sequence and/or capable of being expressed by a host or host cell), as also generally described in WO 09/068627. They are also generally referred to herein as "polypeptides of the invention". Some preferred, but non-limiting examples of such polypeptides of the invention are given in SEQ ID NO's 8 to 40, and these polypeptides form some preferred aspects of the invention.
- polypeptides of the invention as described herein may be essentially as described for the "polypeptides of the invention” described in WO 09/068627, but comprising at least one amino acid sequence of the invention (i.e. instead of another P 39+ sequence that may be present in a "polypeptides of the invention” as described in WO 09/068627).
- a "polypeptides of the invention” as described herein may be essentially as described for the "polypeptides of the invention” described in WO 09/068627 that comprise p i 19A3 or one of the variants thereof described in WO 09/068627, but comprising an amino acid sequence of the invention where a "polypeptides of the invention” as described in WO 09/068627 comprises 1 19A3 or one of the variants thereof described in WO 09/068627.
- polypeptides of the invention may be obtained simply by taking one of the polypeptides of the invention as described in WO 09/068627 that comprises 1 19A3 or one of the variants thereof described in WO 09/068627, and replacing 1 19A3 or said variant with an amino acid sequence of the invention (for example, and preferably, with
- WO 09/068627 its sequence listing and its experimental part give specific examples of bivalent or multivalent, bispecific or multispecific, and/or biparatopic constructs that compri.se 1 19A3 or one of its variants (see for example SEQ ID NO's: 2151 to 2159; 2533; 2537; 2539; 2541 to 2547: and 2615 to 2628; Examples 32 to 15, 24, 25 and 28-46; and Figures 4, 7. 8, 9, 42 and 45) .
- the amino acid sequences of the invention can replace 1 19A3 or its variants in such constructs, to provide or multivalent, bispecific or multi specific, and/or biparatopic constructs that are polypeptides of the (present) invention.
- such a construct i.e. polypeptide of the invention
- a biparatopic construct that comprises at least one amino acid sequence of the invention (and preferably only one) and at least one (and preferably only one) other Nanobody that can bind to the pi 9 subunit (for example, one of the Nanobodies described in WO 09/068627).
- Such other Nanobody may for example be a i 9+ sequence but is preferably a pi 9- sequence.
- such a biparatopic construct comprises an amino acid sequence of the invention and another Nanobody that is 81A 12 (SEQ ID NO's: 1936 of WO 09/068627), or a (humanized) variant thereof, such as one of 81A2vl 2 to 81A 12v5 (SEQ ID NO' s: 2580 to 2585 of WO 09/068627) or an even further humanized variant thereof.
- a (humanized) variant of 81A 12 may optionally also contain one or more substitutions essentially similar to one or more of the substitutions (a) to (c) above.
- such a biparatopic construct comprises an amino acid sequence of the invention and another Nanobody that is 81 G2 (SEQ ID NO' s: 1930 of WO 09/068627), or a (humanized) variant thereof, such as one of 81 G2vl to 81 G2vl 1 (SEQ ID NO's: 2586 to 2597 of WO 09/068627) or an even further humanized variant thereof.
- a (humanized) variant of 81G2 may optionally also contain one or more substitutions essentially similar to one or more of the substitutions (a) to (c) above.
- Such constructs may again contain one or more further Nanobodies or other binding units, as well as suitable linkers and other functional groups, all as described in WO 09/068627.
- such constructs may be provided with increased half- life, for example through suitable modification such as through pegylation, by fusion to albumin, by including a Nanobody that can bind to serum albumin (such as the Nanobodies Alb-1 or Alb- 8 described in WO 09/068627, or one of the other serum-albumin binding Nanobodies described in WO 08/028977), or by attachment of a serum albumin binding peptide, such as those described in WO 08/068280, WO 09/127691 or further improved variants of such peptides).
- suitable modification such as through pegylation
- albumin such as the Nanobodies Alb-1 or Alb- 8 described in WO 09/068627, or one of the other serum-albumin binding Nanobodies described in WO 08/028977
- a serum albumin binding peptide such as those described in WO 08/068280, WO 09/127691 or further improved variants of such peptides.
- one preferred polypeptide of the invention essentially consists of an amino acid sequence of the invention (such as, preferably, 1 19A3vl 8, 1 1 A3v20, 1 19A3v21 or 1 19A3v22) and a humanized variant of 81 G2 (such as 81 G2v l 1).
- a polypeptide may be suitably pegylated, may be suitably fused to human serum albumin, or may comprise a Nanobody that can bind to human serum albumin (such as, preferably, Alb-8); a!l essentially as described in WO 08/028977.
- Nanobodies present in such a polypeptide of the invention may be suitably linked to each other, optionally via one or more suitable linkers, again essentially as described in WO 08/028977.
- suitable linkers again essentially as described in WO 08/028977.
- Another preferred polypeptide of the invention essentially consists of an amino acid sequence of the invention (such as, preferably, 1 19A3vl 8, 1 19A3v20, 1 19A3v21 or 1 19A3v22) and a humanized variant of 81A 12 (such as 81A 12v5).
- a polypeptide may be suitably pegylated, may be suitably fused to human serum albumin, or may comprise a Nanobody that can bind to human serum albumin (such as, preferably, Alb-8); all essentially as described in WO 08/028977.
- Nanobodies present in such a polypeptide of the invention may be suitably linked to each other, optionally via one or more suitable linkers, again essentially as described in WO 08/028977.
- suitable linkers again essentially as described in WO 08/028977.
- polypeptides of the invention may be essentially as described for the biparatopic constructs comprising 1 1 9A3 or a variant thereof in the US provisional application 61/1 81 ,384 filed by Ablyn N.V. on May 27, 2009 and entitled "Biparatopic protein constructs directed against IL-23". but comprising an amino acid sequence of the invention where such a biparatopic construct according to US 61/181 ,384 comprises 1 19A3 or one of the variants thereof described in WO 09/068627.
- polypeptides of the invention may be obtained simply by taking one of the biparatopic constructs as described in US 61/181 ,384 that comprises 1 19A3 or a variant thereof, and replacing 1 19A3 or said variant with an amino acid sequence of the invention (for example, and preferably, with 1 19A3vl 8, 1 19A3v20, 1 19A3v21 or 1 19A3v22).
- a biparatopic protein or polypeptide of the present invention may comprise one binding domain, that is a variant or analog of 1 19A3 (and in particular a humanized variant 1 19A3, which may for example be as further described herein) and one binding domain which is variant or analog of 81 A 12 (and in particular a humanized variant 81A12, which may for example be as further described herein), in which the binding domain that is a variant or analog of 81.A 12 (and in particular a humanized variant 81A 1.2) is towards the N-terminus (i.e.
- Such biparatopic constructs with the 81 A12-based binding unit towards the N-terminus may further essentially be as described in PCT/EP2008/066365: and may for example contain one or more f rther Nanobodies or other binding units, as well as suitable linkers and other functional groups, all as described in WO 09/068627.
- such constructs may be provided with increased half-life, for example through suitable modification such as through pegylation, by fusion to albumin, by including a Nanobody that can bind to serum albumin (such as the Nanobodies Alb-1 or AIb-8 described in WO 09/068627, or one of the other serum-albumin binding Nanobodies described in WO
- Some non-limiting examples of such proteins and polypeptides with the 81 A12-based binding unit towards the N-terminus may be represented as follows (with the N-terminus of the polypeptide towards the right and the C-terminus towards the left):
- binding peptide (monovalent or i tandem)].
- polypeptides of the invention in which the 81A.12-based binding domain is located towards the N-terminus may have one or more favourable properties compared to the corresponding constructs in which the 1 19A3- based binding domain is located towards the N-terminus (i.e. relative to the 81A12-based binding domain).
- polypeptides in which the 81A12-based binding domain is located towards the N-terminus may show higher expression or production yields compared to corresponding construct in which the 1 9A3-based binding domain is located towards the N- terminus.
- all amino acid sequences of the invention and polypeptides of the invention are capable of undergoing essentially the same binding interactions as described in the US provisional application 61/181 ,384 for 1 19A3.
- variants of 1 19A3 and polypeptides comprising 1 19A3 or variants thereof. Reference is for example made to Example 1.
- the polypeptides of the invention preferably have a melting point (Tin) determined using DSC (under the conditions set out in the Experimental Part) of more than 60°C.
- amino acid sequences of the invention preferably have an affinity for p 19 (as measured using the BIACORE assay described in Example 12 of WO 09/068627) that is essentially the same or better than the affinity of 1 19A3 for p i 9, and more preferably an affinity for p 19 that is essentially the same or better than the affinity of 1 19A3vl 7 for p i 9.
- amino acid sequences of the invention preferably have a potency (as measured using the alpha-screen assay described in Example 22 of WO 09/068627) that is essentially the same or better than the potency of 1 19A3. and more preferably a potency that is essentially the same or better than potency of 1 9A3vl 7.
- amino acid sequences of the invention preferably have a neutralizing activity in a mouse splenocyte assay (see Examples 15 and 23 of WO 09/068627) that is essentially the same or better than the neutralizing activity of 1 1 9A3, and more preferably a neutralizing activity that is essentially the same or better than neutralizing activity of 1 19A3vl 7.
- amino acid sequences of the invention preferably have a neutralizing activity in a mou.se splenocyte assay (see Examples 15 and 23 of WO 09/068627) that is essentially the same or better than the neutralizing activity of 1 19A3, and more preferably a neutralizing activity that is essentially the same or better than neutralizing activity of 1 19A3vl 7.
- Polypeptides of the invention preferably have a neutralizing activity (expressed as IC50) in a mouse splenocyte assay using hIL-23 (see Example 30 of WO 09/068627) that is better than (i.e. less than) 50pM, preferably better than 20pM. more preferably better than !OpM such as between 8 and lpM or less.
- these may include use in (pharmaceutical composition for) the prevention and/or treatment of diseases and disorders associated with heterodimeric cytokines and their receptors (and in particular, with 1L-23 or IL-23 mediated signaling), which as mentioned in WO
- 09/068627 are diseases and disorders that can be prevented and/or treated, respectively, by suitably administering to a subject in need thereof (i.e. having the disease or disorder or at least one symptom thereof and/or at risk of attracting or developing the disease or disorder) of either a polypeptide or composition of the invention (and in particular, of a pharmaceutically active amount thereof) and/or of a known active principle active against heterodimeric cytokines (and in particular, IL-23) and/or their receptors or a biological pathway or mechanism in which heterodimeric cytokines(and in particular, IL-23) and/or their receptors is involved (and in particular, of a pharmaceutically active amount thereof).
- diseases and disorders associated with heterodimeric cytokines and their receptors will be clear to the skilled person based on the disclosure herein, and for example include the following diseases and disorders: inflammation and inflammatory disorders such as bowel diseases (colitis,
- IL-23 rather than IL-12 appears to be the essential cytokine in CNS autoimmune inflammation. All this results suggests that IL-23/p l 9 may be an attractive target for the treatment of colitis, Crohn's diseases, IBD, multiple sclerosis, rheumatoid arthritis and some of the other diseases and disorders mentioned herein.
- IL23 and IL27 - two of the other heterodimeric cytokines from the IL- 12 family - also regulate THl -cell response, albeit with distinct functions.
- the ability of IL-23 to stimulate CD4+ T cells to produce IL- 17 also has been described as having a dominant role in the development and maintenance of autoimmune inflammation.
- Example 45 of WO 09/068627 shows that the polypeptides of WO 09/068627 (and thus, by extension, the polypeptides of the invention) can also be valuable in the prevention and treatment of psoriasis (either by systemic/parenteral administration or by topical treatment, e.g. using a creme or lotion (see page 328 and 331.-332 of WO 09/068627).
- the invention relates to a nucleic acid that encodes an amino acid sequence of the invention or a polypeptide of the invention (or a suitable fragment thereof).
- nucleic acid of the invention will also be referred to herein as a "nucleic acid of the invention” and may for example be as further described in WO 09/068627; and may in particular be in the form of a genetic construct, again as further described in WO 09/068627 (see for example pages 316-320).
- the invention relates to a host or host cell that expresses (or that under suitable circumstances is capable of expressing) an amino acid sequence of the invention) and/or a polypeptide of the invention: and/or that contains a nucleic acid of the invention.
- a host or host cell may again generally be as described in WO 09/068627 (see for example pages 3 1 5- 328).
- the invention also relates to methods for the production/expression of the amino acid sequences and polypeptides of the invention.
- Such methods may generally comprise the steps of (i) the expression, in a suitable host cell or host organism or in another suitable expression system of a nucleic acid that encodes an amino acid sequence or polypeptide of the invention, optionally followed by: (ii) isolating and/or purifying the amino acid sequence or polypeptide of the invention thus obtained.
- such a method may comprise the steps of (i) cultivating and/or maintaining a host of the invention under conditions that are such that said host of the invention expresses and/or produces at least one amino acid sequence and/or polypeptide of the invention; optionally followed by (ii) isolating and/or purifying the amino acid sequence, Nanobody or polypeptide of the invention thus obtained.
- These methods again may essentially be performed as described in WO 09/068627 (see for example pages 315-328).
- the invention further relates to a product or composition containing or comprising at least one amino acid sequence of the invention, at least one polypeptide of the invention (or a suitable fragment thereof) and/or at least one nucleic acid of the invention, and optionally one or more further components of such compositions known per se, i.e. depending on the intended use of the composition.
- a product or composition may for example be a pharmaceutical composition (as described herein), a veterinary composition or a product or composition for diagnostic use (as also described herein).
- Such products or compositions may again generally be as described in WO 09/068627 (see for example pages 329-337).
- the invention also relates to the use of an amino acid sequence or polypeptide of the invention, or of a composition comprising the same, in (methods or compositions for) modulating (as defined in WO 09/068627) IL-23 and/or IL-23 -mediated signalling (as defined in WO 09/068627), either in vitro (e.g. in an in vitro or cellular assay) or in vivo (e.g. in an a single cell or in a multicellular organism, and in particular in a mammal, and more in particular in a human being, such as in a human being that is at risk of or suffers from a disease or disorder associated with heterodimeric cytokines and their receptors).
- modulating as defined in WO 09/068627
- IL-23 and/or IL-23 -mediated signalling as defined in WO 09/068627
- in vitro e.g. in an in vitro or cellular assay
- in vivo e
- the invention also relates to methods for modulating (as defined in WO 09/068627) IL-23 and/or IL-23 -mediated signalling (as defined in WO 09/068627), either in vitro (e.g. in an in vitro or cellular assay) or in vivo (e.g.
- IL-23 in an a single cell or multicellular organism, and in particular in a mammal, and more in particular in a human being, such as in a human being that is at risk of or suffers from a disease or disorder associated with IL-23 and/or its receptors
- method comprises at least the step of contacting IL-23 with at least one amino acid sequence or polypeptide of the invention, or with a composition comprising the same, in a manner and in an amount suitable to modulate IL-23 and/or IL-23 -mediated signalling.
- the invention also relates to the use of an one amino acid sequence or polypeptide of the invention in the preparation of a composition (such as, without limitation, a pharmaceutical composition or preparation as further described herein) for modulating (as defined in WO
- IL-23 and/or IL-23 -mediated signalling (as defined in WO 09/068627), either in vitro (e.g. in an in vitro or cellular assay) or in vivo (e.g. in an a single cell or multicellular organism, and in particular in a mammal, and more in particular in a human being, such as in a human being that is at risk of or suffers from a disease or disorder associated with heterodimeric cytokines and their receptors).
- Figures 1 -4 are tables giving sequence comparisons of the framework regions of human V H 3 domains and V H H sequences (data taken from WO 09/068627).
- Figure 5 gives an alignment of 1 19A3 (WO 09/068627), 1 19A3vl6 (WO 09/068627) and 1 19A3vl 8 (invention).
- Figure 6 gives the melting temperatures (y-axis, Tm in °C) of two humanized variants of 1 19A3 (1 19A3vl 6 - WO 09/068627; and 1 19A3vl 8 - invention) as determined by TSA at different pH values (x-axis).
- the reference biparatopic construct 1 19A3v16-9GS-Alb8-9GS-81.A 12v5 (which is based on the building blocks 1 19A3v] 6 and 81A 12v5 as described in WO 09/068627) was found to show a certain degree of de-amidation of the N52 (Kabat N°), located in the CDR2 of 1 1 9A3vl 6 building block.
- This variant was resolved in the cIEF analysis of samples formulated at 25 mg/mL in a L-Histidine buffer pH6, with 0.05% (v:v) Tween 80 and.
- 1 19A3v22 were designed that comprise, compared to 1 3.9A3vl 8, one or both of the substitutions N52E or S82bN.
- Peptide maps of these variants after chemical stress (3 days at pH 9 at RT) were determined (data not shown) and this showed that N52 may be more was sensitive to deamidation than N82a.
- the potency of biparatopic constructs comprising an amino acid sequence of the invention was compared to the potency of a comparable biparatopic construct comprising the 1 9A3 l6 building block according to WO 09/068627.
- the constructs tested were those of SEQ ID NO's: 35, 36, 37 and 38. These were compared, to the reference construct 1 19A3v l 6-9GS-Alb8-9GS- 81A 12v5 (which is based on the building blocks 1 19A3v l 6 and 8 lA 12v5 as described in WO 09/068627).
- the assay used was the mouse splenocyte assay essentially as described in
- Examples 15 and 25 of WO 09/068627 are examples 15 and 25 of WO 09/068627.
- the constructs of SEQ ID NO's: 35, 36 and. 37 were compared to the reference, they showed comparable potency (IC50 in ran of 0.033, 0.028 and 0.032 for SEQ ID NO's: 35, 36 and 37, respectively, compared to 0.028 for the reference construct).
- the construct of SEQ ID NO: 38 showed an IC50 of 0.039, compared to 0.030 for the reference construct. This shows that the L78V substitution in the amino acid sequences of the invention (and in constructs comprising the same) has no major influence on potency, compared to the 1.193b 16 building block described in WO 09/068627).
- expression levels of the constructs of SEQ ID NO's 35, 36, 37 and 38 were compared to the expression levels of the reference construct 1 19A3v l 6-9GS-Alb8-9GS-81 A l2v5, using a generic high-cell density fermentation process in the Pichia pastoris strain X-33 (Invitrogen).
- the Ablyl medium, a rich medium containing tryptone as complex component, and standard fermentation parameters such as 30°C, pH5 and 30% dissolved oxygen were used.
- a glycerol fed-batch was applied until a Wet Cell Weight of approximately 400g/L was achieved.
- induction was started by adding MeOH to the culture.
- Table Estimation of the purity and the yield of intact protein determined via RPC analysis after protein A clean-up and Cu2+ treatment of the cell free medium.
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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EP11717593A EP2563814A1 (en) | 2010-04-30 | 2011-04-28 | Amino acid sequences of nanobodies directed against p19 subunit of the heterodimeric cytokine il-23 |
CN2011800323727A CN102971341A (en) | 2010-04-30 | 2011-04-28 | Amino acid sequences of nanobodies directed against p19 subunit of the heterodimeric cytokine IL-23 |
CA2800292A CA2800292A1 (en) | 2010-04-30 | 2011-04-28 | Amino acid sequences of nanobodies directed against p19 subunit of the heterodimeric cytokine il-23 |
JP2013506660A JP2013525408A (en) | 2010-04-30 | 2011-04-28 | Amino acid sequence of Nanobody directed against P19 subunit of heterodimeric cytokine IL-23 |
US13/695,312 US20130109842A1 (en) | 2010-04-30 | 2011-04-28 | Amino acid sequences of nanobodies directed against p19 subunit of the heterodimeric cytokine il-23 |
AU2011247612A AU2011247612A1 (en) | 2010-04-30 | 2011-04-28 | Amino acid sequences of nanobodies directed against p19 subunit of the heterodimeric cytokine IL-23 |
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US32990810P | 2010-04-30 | 2010-04-30 | |
US61/329,908 | 2010-04-30 | ||
US34879910P | 2010-05-27 | 2010-05-27 | |
US61/348,799 | 2010-05-27 |
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EP (1) | EP2563814A1 (en) |
JP (1) | JP2013525408A (en) |
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Cited By (4)
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WO2017072299A1 (en) * | 2015-10-30 | 2017-05-04 | Ablynx Nv | Polypeptides against il-23 |
EP3248986A2 (en) | 2014-05-16 | 2017-11-29 | Ablynx NV | Immunoglobulin variable domains |
WO2020254826A1 (en) * | 2019-06-21 | 2020-12-24 | Vhsquared Limited | Polypeptides |
US11667719B2 (en) | 2019-06-21 | 2023-06-06 | Sorriso Pharmaceuticals, Inc. | VHH immunoglobulin chain variable domain that binds to IL-7R and methods of use thereof for treating autoimmune and/or inflammatory diseases |
Families Citing this family (3)
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US11644471B2 (en) | 2010-09-30 | 2023-05-09 | Ablynx N.V. | Techniques for predicting, detecting and reducing aspecific protein interference in assays involving immunoglobulin single variable domains |
MX350074B (en) * | 2011-06-23 | 2017-08-25 | Ablynx Nv | Techniques for predicting, detecting and reducing aspecific protein interference in assays involving immunoglobulin single variable domains. |
CN115785267B (en) * | 2021-09-10 | 2023-12-15 | 三优生物医药(上海)有限公司 | IL-23p19 targeting antibody or antigen binding fragment thereof and application thereof |
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- 2011-04-28 WO PCT/EP2011/056736 patent/WO2011135026A1/en active Application Filing
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- 2011-04-28 US US13/695,312 patent/US20130109842A1/en not_active Abandoned
- 2011-04-28 CN CN2011800323727A patent/CN102971341A/en active Pending
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US20130109842A1 (en) | 2013-05-02 |
AU2011247612A1 (en) | 2012-12-06 |
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JP2013525408A (en) | 2013-06-20 |
CA2800292A1 (en) | 2011-11-03 |
CN102971341A (en) | 2013-03-13 |
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