Simultaneous expression of a plurality of foreign genes by using a stealthy RNA gene expression system that is a complex that does not activate the innate immune mechanism and is formed from an RNA-dependent RNA polymerase, a single-strand RNA binding protein, and negative-sense single-strand RNAs including the following (1) to (8): (1) a target RNA sequence that codes for any protein or functional RNA; (2) an RNA sequence forming a noncoding region and derived from mRNA; (3) a transcription initiation signal sequence recognized by the RNA-dependent RNA polymerase; (4) a transcription termination signal sequence recognized by the polymerase; (5) an RNA sequence containing a replication origin recognized by the polymerase; (6) an RNA sequence that codes for the polymerase; (7) an RNA sequence that codes for a protein for regulating the activity of the polymerase; and (8) an RNA sequence that codes for the single-strand RNA binding protein.

New formats of bispecific binding constructs are described that bind to a target antigen and to a CD3 molecule on an effector cell, as well as their methods of making Additionally, uses in therapeutic indications are also described.

Multispecific binding proteins that bind NKG2D receptor, CD16, and 5T4 are described, as well as pharmaceutical compositions, formulations, and therapeutic methods of the multispecific binding proteins useful for the treatment of cancer.

Disclosed are antigen binding polypeptides and antigen binding polypeptide complexes (e.g., antibodies and antigen binding fragments thereof) having certain structural features. Also disclosed are polynucleotides and vectors encoding such polypeptides and polypeptide complexes; host cells, chimeric antigen receptors (CARs), immune cells, pharmaceutical compositions and kits containing such polypeptides and polypeptide complexes; and methods of using such polypeptides and polypeptide complexes.

An isolated antibody that specifically binds to an extracellular domain of two or more human FZD receptors and inhibits growth of tumor cells is described. Also described is a method of treating cancer comprising administering an antibody of the present disclosure in an amount effective to inhibit tumor cell growth.

The present invention relates to dimers comprising a first polypeptide and a second polypeptide, wherein each of said first and second polypeptide comprises at least one immunoglobulin single variable domain (1ISVD) and a C-terminal extension comprising a cysteine moiety (preferably at the C-terminus), wherein said first polypeptide and said second polypeptide are covalently linked via a disulfide bond between the cysteine moiety of said first polypeptide and the cysteine moiety of said second polypeptide, in which the dimer outperformed the benchmark constructs, e.g. cognate multivalent and multispecific constructs, in various assays. The present invention provides methods for making the dimers of the invention.

The present invention provides antibodies that bind to the human glucagon receptor, designated GCGR and methods of using same. According to certain embodiments of the invention, the antibodies are fully human antibodies that bind to human GCGR. The antibodies of the invention are useful for lowering blood glucose levels and blood ketone levels and are also useful for the treatment of diseases and disorders associated with one or more GCGR biological activities, including the treatment of diabetes, diabetic ketoacidosis and long-term complications associated with diabetes, or other metabolic disorders characterized in part by elevated blood glucose levels.

Multispecific antibody having a binding site for ICOS and a binding site for a second antigen, e.g., an immune checkpoint molecule such as PD-L1. Use of the multispecific antibody in immuno-oncology, including for treatment of solid tumours.

The present invention provides bispecific antibody constructs of a specific Fc modality characterized by comprising a first domain binding to a target cell surface antigen, a second domain binding to an extracellular epitope of the human and/or the Macaca CD3cε chain and a third domain, which is the specific Fc modality. Moreover, the invention provides a polynucleotide, encoding the antibody construct, a vector comprising this polynucleotide, host cells, expressing the construct and a pharmaceutical composition comprising the same.

The present disclosure provides antibodies that selectively binds to specific forms of clotting factors, in particular, antibodies that specifically binds to activated factor IX (FIXa) wherein the anti-FIXa antibody or an antigen binding portion thereof preferentially binds to FIXa in the presence of FIXa and factor IX zymogen (FIXz), and antibodies that specifically bind to factor X zymogen (FXz) wherein the anti-FXz antibody or antigen binding portion thereof preferentially binds to FXz in the presence of FXz and activated factor X (FXa). Also provided are bispecific molecules (e.g., antibodies) comprising, e.g., an anti-FIXa antibody or antigen binding portion thereof and/or an anti-FXz antibody or antigen binding portion thereof. The disclosure also provides compositions encoding the disclosed antibodies and bispecific molecules, vectors, cells, pharmaceutical and diagnostic compositions, kits, methods of manufacture, methods of use, and immunoconjugates.