Category Archives: biologis article

Nanobody (single domain antibody) production

The production of nanobody primarily required to select a camelid animal for immunization for about 5–10 weeks. The effector B cells are extracted from the plasma peripheral lymph blood of the immunized camel to isolate the total RNA and cDNA synthesis for sequencing. Phage display technology is used to screen the specific binding ability of […]

Structure and Physicochemical Features of Nanobody (single domain antibody)

Nanobody (Nb) is the smallest natural antigen-specific binding functional fragment of about 12~15 kb (Figure 2D). The molecular weight of Nb is smaller than the monoclonal antibody mAb (~150 kb), Fab fragment (~55 kb) or HcAb (~90 kb) Figure 1A–C. Former study showed that these nanobodies can be genetically engineered from the heavy-chain antibody derived from camelids […]

Rat-mouse hybrid IgG

Rat-mouse hybrid IgG is a monoclonal antibody with binding sites for two different antigens, typically CD3 and a tumor antigen, making it a type of bispecific monoclonal antibody. In addition, its intact Fc-part can bind to an fc receptor on accessory cells like conventional monospecific antibodies. The net effect is that this type of drug […]

Format of bispecific antibodies (BsAbs)-Tandem VHH

Since 1975, monoclonal antibodies have been successfully used for the diagnosis and therapeutics. In 1993, heavy-chain-only antibodies which bind to antigens was discovered in camelids. The variable domain of heavy chain antibody (VHH) was called as nanobodies and it was anticipated as the better therapeutic antibodies in future due to its high stability, refoldability, and manipulable characteristics. […]

Tandem VHH/Nanobody (single domain antibody) – Introduction

Since 1975, monoclonal antibodies have been successfully used for the diagnosis and therapeutics. In 1993, heavy-chain-only antibodies which bind to antigens was discovered in camelids. The variable domain of heavy chain antibody (VHH) was called as nanobodies and it was anticipated as the better therapeutic antibodies in future due to its high stability, refoldability, and manipulable characteristics. […]

Tandem VHH/ Nanobody: Structure, Production, Application and Products

Since 1975, monoclonal antibodies have been successfully used for the diagnosis and therapeutics. In 1993, heavy-chain-only antibodies which bind to antigens was discovered in camelids. The variable domain of heavy chain antibody (VHH) was called as nanobodies and it was anticipated as the better therapeutic antibodies in future due to its high stability, refoldability, and manipulable characteristics. […]

Bispecific antibodies: formats, applications and products

Table of Contents Products Introduction Bispecific antibodies (BsAbs) are antibodies with two binding sites directed at two different antigens or two different epitopes on the same antigen. A bispecific antibody (bsAb) is designed and manufactured—through genetic recombination, chemical conjugation, or quadromas—to contain two target‐binding units in one antibody‐based molecule, whereby each unit independently recognizes its […]