The present disclosure relates to polypeptides, such as fibronectin type III (FN3) domains that can bind CD71, their conjugates, isolated nucleotides encoding the molecules, vectors, host-cells, as well as methods of making and using the same.

This disclosure provides a novel compositions and methods to deliver cyclosporine A using genetically engineered protein polymers.

The present disclosure relates to polypeptides, such as fibronectin type III (FN3) domains that can bind CD71, their conjugates, isolated nucleotides encoding the molecules, vectors, host-cells, as well as methods of making and using the same.

Provided herein are proteins comprising a fibronectin based scaffold (FBS) domain, e.g., .sup.10Fn3 molecules, that bind specifically to a target, and wherein the FBS domain is linked at its C-terminus to a region consisting of PmXn, wherein P is proline, X is any amino acid and wherein n is 0 or an integer that is at least 1 and m is an integer that is at least 1, and wherein the PmXn moiety provides an enhanced property to the FBS domain, e.g., enhanced stability, relative to the protein that is not linked to the PmXn moiety.

Disclosed herein are high molecular weight compounds comprising gelatin and doxorubicin, where the gelatin is covalently linked to doxorubicin through a cleavable linker. The cleavable linker can be cleaved under appropriate physiological conditions, and thus lead to the freeing of doxorubicin. The free doxorubicin can then exert its cytotoxic effects on cancer cells. Disclosed herein are methods of making the high molecular weight gelatin-doxorubicin conjugates and methods of use of the same.

This disclosure provides a novel compositions and methods to deliver cyclosporine A using genetically engineered protein polymers.

The present invention provides therapeutic agents and compositions comprising elastin-like peptides (ELPs) and therapeutic proteins. In some embodiments, the therapeutic protein is a GLP-1 receptor agonist, insulin, or Factor VII/VIIa, including functional analogs. The present invention further provides encoding polynucleotides, as well as methods of making and using the therapeutic agents. The therapeutic agents have improvements in relation to their use as therapeutics, including, inter alia, one or more of half-life, clearance and/or persistence in the body, solubility, and bioavailability.

The invention relates to conjugates in which a sterol is functionalized by an ether bond with a water-soluble polymer to which a guiding ligand is bound. These conjugates improve the physico-chemical and delivery properties of their carrying vesicles, making these more stable, homogeneous and effective. A method for their preparation, a pharmaceutical composition containing said liposomes, and their therapeutic use are described as well.

Therapeutic agents with improved fibrinogen binding properties are described. The agents are suitable for use as artificial platelets, or for formation of biogels. Methods and intermediates for producing the agents, cross-linking agents for use in the methods, and biogels formed from, or comprising the agents, are also described.

Methods for functionalizing the surface of nanofiber substrates, including electrospun fibres and non-woven or woven mats of fibres are described. Functionalised nanofiber substrates presenting biologically active moieties such as biotin and saccharides are described.