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CD20 & CD22 Bispecific Antibodies
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Product List

CAT# Product Name Species Reactivity BsAb Type Target 1 Target 2 INQUIRY
T-BSDB-H224 Recombinant Human Anti-CD20 x Anti-CD22 Bispecific Antibody (Tandem Diabody) Human CD20 CD22 Inquiry
T-BSDB-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (Tandem Diabody) Human CD20 CD22 Inquiry
SCIGG-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (scIgG) Human Single chain IgGs CD20 CD22 Inquiry
SCIGG-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (scIgG) Human Single chain IgGs CD20 CD22 Inquiry
FVTIG-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (scFv4-Ig) Human Appended IgGs CD20 CD22 Inquiry
FVTIG-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (scFv4-Ig) Human Appended IgGs CD20 CD22 Inquiry
BSSG-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (scFv-IgG) Human Appended IgGs CD20 CD22 Inquiry
BSSG-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (scFv-IgG) Human Appended IgGs CD20 CD22 Inquiry
IGLFV-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (IgG(L)-scFv) Human Appended IgGs CD20 CD22 Inquiry
IGLFV-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (IgG(L)-scFv) Human Appended IgGs CD20 CD22 Inquiry
BSGV-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (IgG-Fv) Human IgG-Fv CD20 CD22 Inquiry
BSGV-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (IgG-Fv) Human IgG-Fv CD20 CD22 Inquiry
BSDG-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (Fv-IgG) Human Appended IgGs CD20 CD22 Inquiry
BSDG-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (Fv-IgG) Human Appended IgGs CD20 CD22 Inquiry
BABFV-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (F(ab')2-scFv2) Human Fab-Fc Fusion Proteins CD20 CD22 Inquiry
BABFV-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (F(ab')2-scFv2) Human Fab-Fc Fusion Proteins CD20 CD22 Inquiry
FABVC-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (Fab-scFv-Fc) Human Fab-Fc Fusion Proteins CD20 CD22 Inquiry
FABVC-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (Fab-scFv-Fc) Human Fab-Fc Fusion Proteins CD20 CD22 Inquiry
SCDBC-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (scDiabody-CH3) Human Constant Domain-extended Bispecific Fragments CD20 CD22 Inquiry
SCDBC-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (scDiabody-CH3) Human Constant Domain-extended Bispecific Fragments CD20 CD22 Inquiry
BSDBC-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (Diabody-CH3) Human Constant Domain-extended Bispecific Fragments CD20 CD22 Inquiry
BSDBC-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (Diabody-CH3) Human Constant Domain-extended Bispecific Fragments CD20 CD22 Inquiry
SCDBF-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (scDiabody-Fc) Human Constant Domain-extended Bispecific Fragments CD20 CD22 Inquiry
SCDBF-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (scDiabody-Fc) Human Constant Domain-extended Bispecific Fragments CD20 CD22 Inquiry
BSFVF-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (Tandem scFv-Fc) Human Constant Domain-extended Bispecific Fragments CD20 CD22 Inquiry
BSFVF-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (Tandem scFv-Fc) Human Constant Domain-extended Bispecific Fragments CD20 CD22 Inquiry
BSDBF-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (Diabody-Fc) Human Constant Domain-extended Bispecific Fragments CD20 CD22 Inquiry
BSDBF-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (Diabody-Fc) Human Constant Domain-extended Bispecific Fragments CD20 CD22 Inquiry
BSTF-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (scFv-Fc-scFv) Human scFv-based Bispecific Fragments CD20 CD22 Inquiry
BSTF-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (scFv-Fc-scFv) Human scFv-based Bispecific Fragments CD20 CD22 Inquiry
BSCFV-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (scFv-Fc) Human scFv-based Bispecific Fragments CD20 CD22 Inquiry
BSCFV-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (scFv-Fc) Human scFv-based Bispecific Fragments CD20 CD22 Inquiry
MNAB-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (Miniantibody) Human scFv-based Bispecific Fragments CD20 CD22 Inquiry
MNAB-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (Miniantibody) Human scFv-based Bispecific Fragments CD20 CD22 Inquiry
BSFC-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (scFv-CH3) Human scFv-based Bispecific Fragments CD20 CD22 Inquiry
BSFC-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (scFv-CH3) Human scFv-based Bispecific Fragments CD20 CD22 Inquiry
BSCC-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (scFv-CH1/CL) Human scFv-based Bispecific Fragments CD20 CD22 Inquiry
BSCC-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (scFv-CH1/CL) Human scFv-based Bispecific Fragments CD20 CD22 Inquiry
BIBD-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (Bibody) Human Bibody CD20 CD22 Inquiry
BIBD-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (Bibody) Human Bibody CD20 CD22 Inquiry
FABFV-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (Fab-Fv) Human Fab-Fv CD20 CD22 Inquiry
FABFV-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (Fab-Fv) Human Fab-Fv CD20 CD22 Inquiry
MiniB-H226 Recombinant Human Anti-CD20 x Human Anti-CD22 Bispecific Antibody (Minibody) Human Minibody CD20 CD22 Inquiry
MiniB-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (Minibody) Human Minibody CD20 CD22 Inquiry
BSFAB-SAR022 Recombinant Human Anti-CD20 x Human Anti-CD22 Tandem Fab-SAR immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-SAR004 Recombinant Anti-CD20 x Anti-CD22 Tandem Fab-SAR immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-NGB022 Recombinant Human Anti-CD20 x Human Anti-CD22 Tandem Fab-NGB immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-NGB004 Recombinant Anti-CD20 x Anti-CD22 Tandem Fab-NGB immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-MEL022 Recombinant Human Anti-CD20 x Human Anti-CD22 Tandem Fab-MEL immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-MEL004 Recombinant Anti-CD20 x Anti-CD22 Tandem Fab-MEL immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-BGN022 Recombinant Human Anti-CD20 x Human Anti-CD22 Tandem Fab-BGN immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-BGN004 Recombinant Anti-CD20 x Anti-CD22 Tandem Fab-BGN immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-ABR022 Recombinant Human Anti-CD20 x Human Anti-CD22 Tandem Fab-ABR immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-ABR004 Recombinant Anti-CD20 x Anti-CD22 Tandem Fab-ABR immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-PAP022 Recombinant Human Anti-CD20 x Human Anti-CD22 Tandem Fab-PAP immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-PAP004 Recombinant Anti-CD20 x Anti-CD22 Tandem Fab-PAP immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-SAP022 Recombinant Human Anti-CD20 x Human Anti-CD22 Tandem Fab-SAP immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-SAP004 Recombinant Anti-CD20 x Anti-CD22 Tandem Fab-SAP immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-RTA022 Recombinant Human Anti-CD20 x Human Anti-CD22 Tandem Fab-RTA immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-RTA004 Recombinant Anti-CD20 x Anti-CD22 Tandem Fab-RTA immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-GEL022 Recombinant Human Anti-CD20 x Human Anti-CD22 Tandem Fab-Gel immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-GEL004 Recombinant Anti-CD20 x Anti-CD22 Tandem Fab-Gel immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-PE022 Recombinant Human Anti-CD20 x Human Anti-CD22 Tandem Fab-PE immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-PE004 Recombinant Anti-CD20 x Anti-CD22 Tandem Fab-PE immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-DT022 Recombinant Human Anti-CD20 x Human Anti-CD22 Tandem Fab-DT immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFAB-DT004 Recombinant Anti-CD20 x Anti-CD22 Tandem Fab-DT immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFV-SAR022 Recombinant Human Anti-CD20 x Human Anti-CD22 Tandem scFv-SAR immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFV-SAR004 Recombinant Anti-CD20 x Anti-CD22 Tandem scFv-SAR immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFV-NGB022 Recombinant Human Anti-CD20 x Human Anti-CD22 Tandem scFv-NGB immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFV-NGB004 Recombinant Anti-CD20 x Anti-CD22 Tandem scFv-NGB immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFV-MEL022 Recombinant Human Anti-CD20 x Human Anti-CD22 Tandem scFv-MEL immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFV-MEL004 Recombinant Anti-CD20 x Anti-CD22 Tandem scFv-MEL immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFV-BGN022 Recombinant Human Anti-CD20 x Human Anti-CD22 Tandem scFv-BGN immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFV-BGN004 Recombinant Anti-CD20 x Anti-CD22 Tandem scFv-BGN immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFV-ABR022 Recombinant Human Anti-CD20 x Human Anti-CD22 Tandem scFv-ABR immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFV-ABR004 Recombinant Anti-CD20 x Anti-CD22 Tandem scFv-ABR immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
BSFV-PAP022 Recombinant Human Anti-CD20 x Human Anti-CD22 Tandem scFv-PAP immunotoxin (Bispecific Immunotoxin) Human Bispecific Immunotoxin CD20 CD22 Inquiry
SCDB-H224 Recombinant Human Anti-CD20 x Anti-CD22 Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD20 CD22 Inquiry
FABIG-H224 Recombinant Human Anti-CD20 x Anti-CD22 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD20 CD22 Inquiry
TRIB-H226 Recombinant Human Anti-CD20 x Anti-CD22 Bispecific Antibody (Triple Body) Human Triple Body CD20 CD22 Inquiry
BSIG-H224 Human Anti-CD20 x Anti-CD22 Bispecific Antibody (IgG-IgG) Human IgG-IgG CD20 CD22 Inquiry
CROSSAB-H224 Recombinant Human Anti-CD20 x Anti-CD22 Bispecific Antibody (CrossMab) Human CrossMab CD20 CD22 Inquiry
IGFV-H224 Recombinant Human Anti-CD20 x Anti-CD22 Bispecific Antibody (IgG-scFv) Human IgG-scFv CD20 CD22 Inquiry
BSDB-H224 Recombinant Human Anti-CD20 x Anti-CD22 Bispecific Antibody (Diabody) Human Diabody CD20 CD22 Inquiry
BSFAB-H224 Recombinant Human Anti-CD20 x Anti-CD22 Bispecific Antibody (Tandem Fab) Human Tandem Fab CD20 CD22 Inquiry
BSFV-H224 Recombinant Human Anti-CD20 x Anti-CD22 Bispecific Antibody (Tandem scFv) Human Tandem scFv CD20 CD22 Inquiry
SCDB-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD20 CD22 Inquiry
FABIG-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD20 CD22 Inquiry
TRIB-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (Triple Body) Human Triple Body CD20 CD22 Inquiry
BSIG-049 Anti-CD20 x Anti-CD22 Bispecific Antibody (IgG-IgG) Human IgG-IgG CD20 CD22 Inquiry
CROSSAB-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (CrossMab) Human CrossMab CD20 CD22 Inquiry
IGFV-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (IgG-scFv) Human IgG-scFv CD20 CD22 Inquiry
BSDB-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (Diabody) Human Diabody CD20 CD22 Inquiry
BSFAB-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (Tandem Fab) Human Tandem Fab CD20 CD22 Inquiry
BSFV-049 Recombinant Anti-CD20 x Anti-CD22 Bispecific Antibody (Tandem scFv) Human Tandem scFv CD20 CD22 Inquiry
SCDB-H225 Recombinant Human Anti-CD20 x Anti-CD28 Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD20 CD28 Inquiry
SCDB-H214 Recombinant Human Anti-CD19 x Anti-CD22 Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD19 CD22 Inquiry
FABIG-H227 Recombinant Human Anti-CD20 x Anti-CD47 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD20 CD47 Inquiry
FABIG-H226 Recombinant Human Anti-CD20 x Anti-CD3 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD20 CD3 Inquiry
FABIG-H225 Recombinant Human Anti-CD20 x Anti-CD28 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD20 CD28 Inquiry
FABIG-H214 Recombinant Human Anti-CD19 x Anti-CD22 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD19 CD22 Inquiry
TRIB-H229 Recombinant Human Anti-CD20 x Anti-CD47 Bispecific Antibody (Triple Body) Human Triple Body CD20 CD47 Inquiry
TRIB-H228 Recombinant Human Anti-CD20 x Anti-CD3 Bispecific Antibody (Triple Body) Human Triple Body CD20 CD3 Inquiry
TRIB-H227 Recombinant Human Anti-CD20 x Anti-CD28 Bispecific Antibody (Triple Body) Human Triple Body CD20 CD28 Inquiry
TRIB-H216 Recombinant Human Anti-CD19 x Anti-CD22 Bispecific Antibody (Triple Body) Human Triple Body CD19 CD22 Inquiry
BSIG-H227 Human Anti-CD20 x Anti-CD47 Bispecific Antibody (IgG-IgG) Human IgG-IgG CD20 CD47 Inquiry
BSIG-H226 Human Anti-CD20 x Anti-CD3 Bispecific Antibody (IgG-IgG) Human IgG-IgG CD20 CD3 Inquiry
BSIG-H225 Human Anti-CD20 x Anti-CD28 Bispecific Antibody (IgG-IgG) Human IgG-IgG CD20 CD28 Inquiry
BSIG-H214 Human Anti-CD19 x Anti-CD22 Bispecific Antibody (IgG-IgG) Human IgG-IgG CD19 CD22 Inquiry
CROSSAB-H227 Recombinant Human Anti-CD20 x Anti-CD47 Bispecific Antibody (CrossMab) Human CrossMab CD20 CD47 Inquiry
CROSSAB-H226 Recombinant Human Anti-CD20 x Anti-CD3 Bispecific Antibody (CrossMab) Human CrossMab CD20 CD3 Inquiry
CROSSAB-H225 Recombinant Human Anti-CD20 x Anti-CD28 Bispecific Antibody (CrossMab) Human CrossMab CD20 CD28 Inquiry
CROSSAB-H214 Recombinant Human Anti-CD19 x Anti-CD22 Bispecific Antibody (CrossMab) Human CrossMab CD19 CD22 Inquiry
IGFV-H227 Recombinant Human Anti-CD20 x Anti-CD47 Bispecific Antibody (IgG-scFv) Human IgG-scFv CD20 CD47 Inquiry
IGFV-H226 Recombinant Human Anti-CD20 x Anti-CD3 Bispecific Antibody (IgG-scFv) Human IgG-scFv CD20 CD3 Inquiry
IGFV-H225 Recombinant Human Anti-CD20 x Anti-CD28 Bispecific Antibody (IgG-scFv) Human IgG-scFv CD20 CD28 Inquiry
IGFV-H214 Recombinant Human Anti-CD19 x Anti-CD22 Bispecific Antibody (IgG-scFv) Human IgG-scFv CD19 CD22 Inquiry
BSDB-H227 Recombinant Human Anti-CD20 x Anti-CD47 Bispecific Antibody (Diabody) Human Diabody CD20 CD47 Inquiry
BSDB-H226 Recombinant Human Anti-CD20 x Anti-CD3 Bispecific Antibody (Diabody) Human Diabody CD20 CD3 Inquiry
BSDB-H225 Recombinant Human Anti-CD20 x Anti-CD28 Bispecific Antibody (Diabody) Human Diabody CD20 CD28 Inquiry
BSDB-H214 Recombinant Human Anti-CD19 x Anti-CD22 Bispecific Antibody (Diabody) Human Diabody CD19 CD22 Inquiry
BSFAB-H227 Recombinant Human Anti-CD20 x Anti-CD47 Bispecific Antibody (Tandem Fab) Human Tandem Fab CD20 CD47 Inquiry
BSFAB-H226 Recombinant Human Anti-CD20 x Anti-CD3 Bispecific Antibody (Tandem Fab) Human Tandem Fab CD20 CD3 Inquiry
BSFAB-H225 Recombinant Human Anti-CD20 x Anti-CD28 Bispecific Antibody (Tandem Fab) Human Tandem Fab CD20 CD28 Inquiry
BSFAB-H214 Recombinant Human Anti-CD19 x Anti-CD22 Bispecific Antibody (Tandem Fab) Human Tandem Fab CD19 CD22 Inquiry
BSFV-H227 Recombinant Human Anti-CD20 x Anti-CD47 Bispecific Antibody (Tandem scFv) Human Tandem scFv CD20 CD47 Inquiry
BSFV-H226 Recombinant Human Anti-CD20 x Anti-CD3 Bispecific Antibody (Tandem scFv) Human Tandem scFv CD20 CD3 Inquiry
BSFV-H225 Recombinant Human Anti-CD20 x Anti-CD28 Bispecific Antibody (Tandem scFv) Human Tandem scFv CD20 CD28 Inquiry
BSFV-H214 Recombinant Human Anti-CD19 x Anti-CD22 Bispecific Antibody (Tandem scFv) Human Tandem scFv CD19 CD22 Inquiry
SCTB-026 Recombinant Anti-CD20 x Anti-CD47 Bispecific Antibody (Single-chain Triplebody) Human Single-chain Triplebody CD20 CD47 Inquiry
SCTB-025 Recombinant Anti-CD20 x Anti-CD3 Bispecific Antibody (Single-chain Triplebody) Human Single-chain Triplebody CD20 CD3 Inquiry
SCTB-024 Recombinant Anti-CD20 x Anti-CD28 Bispecific Antibody (Single-chain Triplebody) Human Single-chain Triplebody CD20 CD28 Inquiry
SCDB-053 Recombinant Anti-CD22 x Anti-Saporin Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD22 Saporin Inquiry
SCDB-052 Recombinant Anti-CD20 x Anti-CD47 Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD20 CD47 Inquiry
SCDB-051 Recombinant Anti-CD20 x Anti-CD3 Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD20 CD3 Inquiry
SCDB-050 Recombinant Anti-CD20 x Anti-CD28 Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD20 CD28 Inquiry
SCDB-039 Recombinant Anti-CD19 x Anti-CD22 Bispecific Antibody (Single-chain Diabody) Human Single-chain Diabody CD19 CD22 Inquiry
FABIG-053 Recombinant Anti-CD22 x Anti-Saporin Bispecific Antibody (Fab-IgG) Human Fab-IgG CD22 Saporin Inquiry
FABIG-052 Recombinant Anti-CD20 x Anti-CD47 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD20 CD47 Inquiry
FABIG-051 Recombinant Anti-CD20 x Anti-CD3 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD20 CD3 Inquiry
FABIG-050 Recombinant Anti-CD20 x Anti-CD28 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD20 CD28 Inquiry
FABIG-039 Recombinant Anti-CD19 x Anti-CD22 Bispecific Antibody (Fab-IgG) Human Fab-IgG CD19 CD22 Inquiry
TRIB-053 Recombinant Anti-CD22 x Anti-Saporin Bispecific Antibody (Triple Body) Human Triple Body CD22 Saporin Inquiry
TRIB-052 Recombinant Anti-CD20 x Anti-CD47 Bispecific Antibody (Triple Body) Human Triple Body CD20 CD47 Inquiry
TRIB-051 Recombinant Anti-CD20 x Anti-CD3 Bispecific Antibody (Triple Body) Human Triple Body CD20 CD3 Inquiry
TRIB-050 Recombinant Anti-CD20 x Anti-CD28 Bispecific Antibody (Triple Body) Human Triple Body CD20 CD28 Inquiry
TRIB-039 Recombinant Anti-CD19 x Anti-CD22 Bispecific Antibody (Triple Body) Human Triple Body CD19 CD22 Inquiry
BSIG-053 Anti-CD22 x Anti-Saporin Bispecific Antibody (IgG-IgG) Human IgG-IgG CD22 Saporin Inquiry
BSIG-052 Anti-CD20 x Anti-CD47 Bispecific Antibody (IgG-IgG) Human IgG-IgG CD20 CD47 Inquiry
BSIG-051 Anti-CD20 x Anti-CD3 Bispecific Antibody (IgG-IgG) Human IgG-IgG CD20 CD3 Inquiry
BSIG-050 Anti-CD20 x Anti-CD28 Bispecific Antibody (IgG-IgG) Human IgG-IgG CD20 CD28 Inquiry
BSIG-039 Anti-CD19 x Anti-CD22 Bispecific Antibody (IgG-IgG) Human IgG-IgG CD19 CD22 Inquiry
CROSSAB-053 Recombinant Anti-CD22 x Anti-Saporin Bispecific Antibody (CrossMab) Human CrossMab CD22 Saporin Inquiry
CROSSAB-052 Recombinant Anti-CD20 x Anti-CD47 Bispecific Antibody (CrossMab) Human CrossMab CD20 CD47 Inquiry
CROSSAB-051 Recombinant Anti-CD20 x Anti-CD3 Bispecific Antibody (CrossMab) Human CrossMab CD20 CD3 Inquiry
CROSSAB-050 Recombinant Anti-CD20 x Anti-CD28 Bispecific Antibody (CrossMab) Human CrossMab CD20 CD28 Inquiry
CROSSAB-039 Recombinant Anti-CD19 x Anti-CD22 Bispecific Antibody (CrossMab) Human CrossMab CD19 CD22 Inquiry
IGFV-053 Recombinant Anti-CD22 x Anti-Saporin Bispecific Antibody (IgG-scFv) Human IgG-scFv CD22 Saporin Inquiry
IGFV-052 Recombinant Anti-CD20 x Anti-CD47 Bispecific Antibody (IgG-scFv) Human IgG-scFv CD20 CD47 Inquiry
IGFV-051 Recombinant Anti-CD20 x Anti-CD3 Bispecific Antibody (IgG-scFv) Human IgG-scFv CD20 CD3 Inquiry
IGFV-050 Recombinant Anti-CD20 x Anti-CD28 Bispecific Antibody (IgG-scFv) Human IgG-scFv CD20 CD28 Inquiry
IGFV-039 Recombinant Anti-CD19 x Anti-CD22 Bispecific Antibody (IgG-scFv) Human IgG-scFv CD19 CD22 Inquiry
BSDB-053 Recombinant Anti-CD22 x Anti-Saporin Bispecific Antibody (Diabody) Human Diabody CD22 Saporin Inquiry
BSDB-052 Recombinant Anti-CD20 x Anti-CD47 Bispecific Antibody (Diabody) Human Diabody CD20 CD47 Inquiry
BSDB-051 Recombinant Anti-CD20 x Anti-CD3 Bispecific Antibody (Diabody) Human Diabody CD20 CD3 Inquiry
BSDB-050 Recombinant Anti-CD20 x Anti-CD28 Bispecific Antibody (Diabody) Human Diabody CD20 CD28 Inquiry
BSDB-039 Recombinant Anti-CD19 x Anti-CD22 Bispecific Antibody (Diabody) Human Diabody CD19 CD22 Inquiry
BSFAB-053 Recombinant Anti-CD22 x Anti-Saporin Bispecific Antibody (Tandem Fab) Human Tandem Fab CD22 Saporin Inquiry
BSFAB-052 Recombinant Anti-CD20 x Anti-CD47 Bispecific Antibody (Tandem Fab) Human Tandem Fab CD20 CD47 Inquiry
BSFAB-051 Recombinant Anti-CD20 x Anti-CD3 Bispecific Antibody (Tandem Fab) Human Tandem Fab CD20 CD3 Inquiry
BSFAB-050 Recombinant Anti-CD20 x Anti-CD28 Bispecific Antibody (Tandem Fab) Human Tandem Fab CD20 CD28 Inquiry
BSFAB-039 Recombinant Anti-CD19 x Anti-CD22 Bispecific Antibody (Tandem Fab) Human Tandem Fab CD19 CD22 Inquiry
BSFV-053 Recombinant Anti-CD22 x Anti-Saporin Bispecific Antibody (Tandem scFv) Human Tandem scFv CD22 Saporin Inquiry
BSFV-052 Recombinant Anti-CD20 x Anti-CD47 Bispecific Antibody (Tandem scFv) Human Tandem scFv CD20 CD47 Inquiry
BSFV-051 Recombinant Anti-CD20 x Anti-CD3 Bispecific Antibody (Tandem scFv) Human Tandem scFv CD20 CD3 Inquiry
BSFV-050 Recombinant Anti-CD20 x Anti-CD28 Bispecific Antibody (Tandem scFv) Human Tandem scFv CD20 CD28 Inquiry
BSFV-039 Recombinant Anti-CD19 x Anti-CD22 Bispecific Antibody (Tandem scFv) Human Tandem scFv CD19 CD22 Inquiry

Background

CD20 is primarily expressed on B cells and is necessary in B cell development and differentiation. It is a well-established target for immunotherapy in B cell malignancies. CD22 is found on nearly all mature B cells and plays a role in regulating B cell signaling and activation. The anti-CD20/CD22 bispecific antibody (BsAb) is designed to simultaneously target both CD20 and CD22 proteins. This BsAb functions by binding to CD20 on one end and CD22 on the other end, effectively bringing B cells expressing both antigens into close proximity. This proximity facilitates enhanced immune recognition and activation, leading to more efficient elimination of targeted B cells. There are potential applications of this BsAb in the treatment of B cell malignancies, such as non-Hodgkin's lymphoma and chronic lymphocytic leukemia. There are also ongoing studies aiming to explore its potential in other B cell-related disorders and autoimmune diseases.

Fig.1 The anti-CD20/CD22 BsAb structure. (Rossi, Chien-Hsing and David, 2014) Fig.1 Structure of an anti-CD20/CD22 BsAb.1

Reference

  1. Rossi, Edmund A., Chien-Hsing Chang, and David M. Goldenberg. "Anti-CD22/CD20 Bispecific antibody with enhanced trogocytosis for treatment of Lupus." PLoS One 9.5 (2014): e98315.
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