Abstract: The present disclosure relates to anti-TRBC1 antigen binding domains characterized by the sequences of the variable chains. The CDRs sequences of the variable chains are: (VH CDR1) GYTFT, (VH CDR2) NPYNDDIQS, (VH CDR3) GAGYNFDGAYRFFDF; and (VL CDR1) RSSQRLVHSNGNTYL, (VL CDR2) RVSNRFP, (VL CDR3) SQSTHVPYT. The claimed humanized antibodies derive from the murine JOVI antibody. Uses in cancer therapy.

Abstract: The present invention provides a chimeric antigen receptor (CAR) which specifically binds CD79. It further provides a nucleic acid sequence and a vector encoding said CAR. It further provides a cell which expresses said CAR at the cell surface.

Abstract: The present invention provides a chimeric antigen receptor (CAR) which binds a target antigen having a bulky extracellular domain, wherein the CAR comprises a Fab antigen binding domain. The present invention also provides nucleic acid sequences and constructs encoding such a CAR, cells expressing such a CAR and their therapeutic uses.

Abstract: The present invention provides a cell which expresses a chimeric antigen receptor (CAR) or engineered T-cell receptor (TCR) and secretes an agent which blocks or reduces the activity of an ectoenzyme. The cells may be used in adoptive immunotherapy approaches for the treatment of diseases such as cancer.

Abstract: The present invention provides a cell which comprises; (i) a chimeric antigen receptor (CAR) or a transgenic T-cell receptor (TCR); and (ii) at least one polypeptide capable of co-localizing an MHC class I polypeptide or an MHC class II polypeptide with an intracellular signalling domain within the cell.

Abstract: The present disclosure relates to anti-TRBC1 antigen binding domains characterized by the sequences of the variable chains. The CDRs sequences of the variable chains are: (VH CDR1) GYTFT, (VH CDR2) NPYNDDIQS, (VH CDR3) GAGY-NFDGAYRFFDF; and (VL CDR1) RSSQRLVHSNGNTYL, (VL CDR2) RVSNRFP, (VL CDR3) SQSTHVPYT. The claimed humanized antibodies derive from the murine JOVI antibody. Uses in cancer therapy.

Abstract: The present invention provides a variant antigen-binding domain which comprises at least one mutation in the VH domain compared to a reference antibody and which displays an increased affinity for TRBC2 over the reference antibody. It further provides an antibody, a chimeric antigen receptor (CAR), and a bispecific T-cell engager (BiTE), a cell which comprises said CAR, and a conjugate comprising said variant antigen-binding domain or said antibody. Additionally, it provides medical uses, diagnostic methods and methods of personalised medicine that exploit the products of the invention.

Abstract: The present invention provides a chimeric antigen receptor (CAR) which binds a low density target antigen, which comprises a Fab antigen binding domain. The invention also relates to cells expressing such a CAR and their use in the treatment of disease.

Abstract: The invention relates to a method of determining the T cell receptor ? chain (TRBC) gene type of a cell, the method comprising (a) determining the J gene type expressed in said cell, and (b) inferring from (a) the TRBC gene type expressed in said cell. The invention further relates to use of a CAR T cell targeted to a T cell receptor ? chain (TRBC) type 1, or a CAR T cell targeted to a T cell receptor ? chain (TRBC) type 2. The invention further relates to a method of medical treatment, and to nucleic acid probes.

Abstract: The present invention provides a cell which expresses: (i) an intracellular single domain protein binder which binds a target protein and modulates an intracellular signalling pathway; and (ii) a chimeric antigen receptor (CAR) or a transgenic T cell receptor (TCR).

Abstract: The present invention provides a chimeric antigen receptor (CAR) which binds human CD22, having an antigen-binding domain which comprises a) a heavy chain variable region (VH) having complementarity determining regions (CDRs) with the following sequences: CDR1—NYWIH (SEQ ID No. 1); CDR2—GINPGNNYATYRRKFQG (SEQ ID No. 2) CDR3—EGYGNYGAWFAY (SEQ ID No. 3); and b) a light chain variable region (VL) having CDRs with the following sequences: CDR1—RSSQSLANSYGNTFLS (SEQ ID No. 4); CDR2—GISNRFS (SEQ ID No. 5) CDR3—LQGTHQPYT (SEQ ID No. 6). The present invention also provides a cell comprising such a CAR and the use of such a cell to treat cancer.

Abstract: The present invention provides antibodies and polyclonal antibody preparations which bind the intracellular portion of either T-cell receptor constant region 2 (TRBC2) or T-cell receptor constant region 1 (TRBC1). The antibodies can be used to determine whether a T-cell malignancy clonally expresses TRBC1 or TRBC2.

Abstract: The present invention relates to a partition library which comprises a plurality of partitions which are useful for the analysis of the transcriptional response of a CAR to a target antigen. Further, the present invention relates to assays for the analysis of the transcriptional response of a CAR to a target antigen. The present invention also relates to kits comprising the plurality of partitions.

Abstract: The present disclosure relates to a bispecific reagent and a detection agent which are useful for the identification of an antibody-producing cell which produces an antibody that binds specifically to a target antigen. Further, the present disclosure relates to an assay for the identification of an antibody-producing cell which produces an antibody that binds specifically to a target antigen. The present disclosure also relates to kits comprising the bispecific reagent and the detection agent.

Abstract: The present invention provides a cell which co-expresses a first chimeric antigen receptor (CAR) and second CAR at the cell surface, each CAR comprising an antigen-binding domain, wherein the antigen-binding domain of the first CAR binds to CD19 and the antigen-binding domain of the second CAR binds to CD22.

Abstract: The present invention relates to a cell which comprises a chimeric antigen receptor (CAR) or transgenic T cell receptor (TCR) and secretes an antibody which binds a transforming growth factor beta receptor (T?R).

Abstract: The present invention provides a kit of vectors comprising: (i) a first vector comprising a nucleic acid sequence encoding a first marker component; and (ii) a second vector comprising a nucleic acid sequence encoding a second marker component, wherein, when a cell is transduced with both the first and second vectors, the first and second marker components are expressed by the cell and associate forming a hetero-multimeric marker which is recognised by a cell sorting reagent whereas, when a cell is transduced with either the first or second vector alone, expression of the first or second marker component alone is not recognised by the cell sorting reagent.

Abstract: The present invention provides a cell which co-expresses a first chimeric antigen receptor (CAR) and second CAR at the cell surface, each CAR comprising an antigen-binding domain, wherein the antigen-binding domain of the first CAR binds to CD19 and the antigen-binding domain of the second CAR binds to CD22.

Abstract: The present invention provides a chimeric antigen receptor (CAR) which binds a target antigen having a bulky extracellular domain, wherein the CAR comprises a Fab antigen binding domain. The present invention also provides nucleic acid sequences and constructs encoding such a CAR, cells expressing such a CAR and their therapeutic uses.

Abstract: The present invention provides a cell which co-expresses a first chimeric antigen receptor (CAR) and second CAR at the cell surface, each CAR comprising an antigen-binding domain, wherein the antigen-binding domain of the first CAR binds to CD19 and the antigen-binding domain of the second CAR binds to CD22.