The invention relates to nucleic acid constructs for expression in mice for the production of heavy chain only antibodies and V.sub.H domains, transgenic mice, related methods and uses.

The invention relates to nucleic acid constructs for expression in mice for the reproduction of heavy chain only antibodies and V.sub.H domains, transgenic mice, related methods and uses.

The present invention provides ungulate animals, tissue and organs as well as cells and cell lines derived from such animals, tissue and organs, which lack expression of functional endogenous immunoglobulin loci. The present invention also provides ungulate animals, tissue and organs as well as cells and cell lines derived from such animals, tissue and organs, which express xenogenous, such as human, immunoglobulin loci. The present invention further provides ungulate, such as porcine genomic DNA sequence of porcine heavy and light chain immunogobulins. Such animals, tissues, organs and cells can be used in research and medical therapy. In addition, methods are provided to prepare such animals, organs, tissues, and cells.

The present invention provides a triple-mode antibody display system that simultaneously matures, displays and secretes an antibody to a target of interest. An antibody in vivo-matured and complexed with membrane anchored bait can be expressed on the surface of the host cell, while complexed with a soluble bait the antibody is secreted from the host cell. Methods of using the system for identifying binders that bind specifically to an antigen of interest are also provided. Polypeptides, polynucleotides and host cells useful for making the protein binder display system are also provided along with methods of use thereof.

The present invention provides ungulate animals, tissue and organs as well as cells and cell lines derived from such animals, tissue and organs, which lack expression of functional endogenous immunoglobulin loci. The present invention also provides ungulate animals, tissue and organs as well as cells and cell lines derived from such animals, tissue and organs, which express xenogenous, such as human, immunoglobulin loci. The present invention further provides ungulate, such as porcine genomic DNA sequence of porcine heavy and light chain immunogobulins. Such animals, tissues, organs and cells can be used in research and medical therapy. In addition, methods are provided to prepare such animals, organs, tissues, and cells.

The invention relates to methods and uses of modulating fetal hemoglobin expression (HbF) in a hematopoietic progenitor cells via inhibitors of BCL11A expression or activity, such as RNAi and antibodies.

A Saccharomyces cerevisiae expression system and a construction method and application thereof, including an expression vector which includes, from 5 to 3, a YEplac195 plasmid backbone, an exogenous gene expression cassette, and a selective marker gene expression cassette. The exogenous gene expression cassette includes from upstream to downstream an rDNA promoter, an internal ribosome entry site (IRES) sequence, an exogenous gene expression cassette, a poly(T) sequence, and an rDNA terminator. The selective marker gene expression cassette includes a promoter, a selective marker gene, and a transcription terminator.

The invention relates to methods and uses of modulating fetal hemoglobin expression (HbF) in a hematopoietic progenitor cells via inhibitors of BCL11A expression or activity, such as RNAi and antibodies.

The invention relates to methods and uses of modulating fetal hemoglobin expression (HbF) in a hematopoietic progenitor cells via inhibitors of BCL11A expression or activity, such as RNAi and antibodies.

The invention relates to nucleic acid constructs for expression in mice for the production of heavy chain only antibodies and V.sub.H domains, transgenic mice, related methods and uses.