Abstract: Disclosed herein are MSLN binding proteins with improved binding affinities and improved ability to mediate T cell dependent killing of cancer cells expressing mesothelin. Pharmaceutical compositions comprising the binding proteins disclosed herein and methods of using such formulations are further provided.

Abstract: Provided herein are combinations or compositions comprising immunomodulators and immune cell engaging proteins. Also provided herein are methods of use thereof, such as methods of treatment by administering the combinations or compositions comprising immunomodulators and immune cell engaging proteins to a subject. The method may be used to treat a cancer in the subject.

Abstract: Disclosed herein are single chain variable fragment CD3 binding proteins with improved binding affinities, and robust aggregation profiles. Also described are multispecific binding proteins comprising a single chain variable fragment CD3 binding protein according to the instant disclosure. Pharmaceutical compositions comprising the binding proteins disclosed herein and methods of using such formulations are provided.

Abstract: Provided herein are DLL3 binding proteins and DLL3 targeting multispecific proteins (e.g., DLL3 targeting trispecific protein) comprising a domain binding to CD3, a half-life extension domain, and a domain binding to DLL3 (such as a DLL3 binding protein as provided herein). Also provided are pharmaceutical compositions thereof, as well as nucleic acids, recombinant expression vectors and host cells for making such DLL3 binding proteins, DLL3 targeting trispecific proteins. Also disclosed are methods of using the disclosed DLL3 binding proteins, DLL3 targeting trispecific proteins in the prevention, and/or treatment diseases, conditions and disorders.

Abstract: Disclosed herein are single domain serum albumins binding proteins with improved thermal stability, binding affinities, and robust aggregation profiles. Also described are multispecific binding proteins comprising a single domain serum albumin binding protein according to the instant disclosure. Pharmaceutical compositions comprising the binding proteins disclosed herein and methods of using such formulations are provided.

Abstract: Disclosed herein are single chain variable fragment CD3 binding proteins with improved binding affinities, and robust aggregation profiles. Also described are multispecific binding proteins comprising a single chain variable fragment CD3 binding protein according to the instant disclosure. Pharmaceutical compositions comprising the binding proteins disclosed herein and methods of using such formulations are provided.

Abstract: Disclosed herein are MSLN binding proteins with improved binding affinities and improved ability to mediate T cell dependent killing of cancer cells expressing mesothelin. Pharmaceutical compositions comprising the binding proteins disclosed herein and methods of using such formulations are further provided.

Abstract: Disclosed herein are single domain serum albumins binding proteins with improved thermal stability, binding affinities, and robust aggregation profiles. Also described are multispecific binding proteins comprising a single domain serum albumin binding protein according to the instant disclosure. Pharmaceutical compositions comprising the binding proteins disclosed herein and methods of using such formulations are provided.

Abstract: Provided herein are EpCAM binding proteins, pharmaceutical compositions comprising such proteins or fragments thereof, as well as nucleic acids, recombinant expression vectors and host cells for making such EpCAM binding proteins. Also disclosed are methods of using the disclosed EpCAM binding proteins in the prevention, and/or treatment diseases, conditions and disorders.

Abstract: Provided herein are B cell maturation agent (BCMA) targeting trispecific proteins comprising a domain binding to CD3, a half-life extension domain, and a domain binding to BCMA. Also provided are pharmaceutical compositions thereof, as well as nucleic acids, recombinant expression vectors and host cells for making such BCMA targeting trispecific proteins. Also disclosed are methods of using the disclosed BCMA targeting trispecific proteins in the prevention, and/or treatment diseases, conditions and disorders.

Abstract: Provided herein are FLT3 binding proteins, pharmaceutical compositions comprising such proteins or fragments thereof, as well as nucleic acids, recombinant expression vectors and host cells for making such FLT3 binding proteins. Also disclosed are methods of using the disclosed FLT3 binding proteins in the prevention, and/or treatment of diseases, conditions and disorders.

Abstract: Disclosed herein are conditionally active receptors which comprise a target antigen binding domain and a binding moiety. Each binding moiety comprises non-CDR loops for masking the binding of a target antigen binding domain to its target. The receptors are activated upon cleavage of the cleavable linkers. Pharmaceutical compositions comprising cells comprising the conditionally active receptors disclosed herein and methods of using such formulations are further provided.

Abstract: Provided herein are EGFR binding proteins and EGFR targeting trispecific proteins comprising a domain binding to CD3, a half-life extension domain, and a domain binding to EGFR. Also provided are pharmaceutical compositions thereof, as well as nucleic acids, recombinant expression vectors and host cells for making such EGFR binding proteins, EGFR targeting trispecific proteins. Also disclosed are methods of using the disclosed EGFR binding proteins, EGFR targeting trispecific proteins in the prevention, and/or treatment diseases, conditions and disorders.

Abstract: Provided herein are FLT3 binding proteins, pharmaceutical compositions comprising such proteins or fragments thereof, as well as nucleic acids, recombinant expression vectors and host cells for making such FLT3 binding proteins. Also disclosed are methods of using the disclosed FLT3 binding proteins in the prevention, and/or treatment of diseases, conditions and disorders.

Abstract: Provided herein are B cell maturation agent (BCMA) targeting trispecific proteins comprising a domain binding to CD3, a half-life extension domain, and a domain binding to BCMA. Also provided are pharmaceutical compositions thereof, as well as nucleic acids, recombinant expression vectors and host cells for making such BCMA targeting trispecific proteins. Also disclosed are methods of using the disclosed BCMA targeting trispecific proteins in the prevention, and/or treatment diseases, conditions and disorders.

Abstract: Disclosed herein are binding moieties that comprise non-CDR loops for masking the binding of a binding molecule to its target and CDRs for binding bulk serum proteins. Conditionally active target binding proteins that contain the binding moieties are also provided. Pharmaceutical compositions comprising the binding proteins disclosed herein and methods of using such formulations are further provided.

Abstract: Disclosed herein is a dual binding moiety that comprises non-CDR loops for masking the binding of a domain, such as a target antigen binding domain to its target, by steric occlusion and specific masking, and CDRs for binding bulk serum proteins. Pharmaceutical compositions comprising the dual binding moiety disclosed herein and methods of using such compositions are further provided.

Abstract: Disclosed herein is a conditionally active target binding protein that contains a first binding domain that binds to a bulk serum protein and sterically occludes binding of a second binding domain to its target. Pharmaceutical compositions comprising the conditionally active binding proteins disclosed herein and methods of using such compositions are further provided.

Abstract: Provided herein are FLT3 binding proteins, pharmaceutical compositions comprising such proteins or fragments thereof, as well as nucleic acids, recombinant expression vectors and host cells for making such FLT3 binding proteins. Also disclosed are methods of using the disclosed FLT3 binding proteins in the prevention, and/or treatment of diseases, conditions and disorders.

Abstract: Provided herein are T-cell receptor (TCR) fusion proteins (TFPs), T-cells engineered to express one or more TFPs, and methods of use thereof for the treatment of diseases, including cancer.