Provided in the present invention are highly stable D-configuration polypeptides DVAP and SVAP having a high binding activity to the GRP78 protein, and also provided are an L-configuration polypeptide LVAP and a DVAP-or SVAP-modified model drug and a macromolecule carrier material, and the use thereof in the construction of a tumour image and a drug-delivery system for targeted treatment.

Provided in the present invention are highly stable D-configuration polypeptides DVAP and SVAP having a high binding activity to the GRP78 protein, and also provided are an L-configuration polypeptide LVAP and a DVAP-or SVAP-modified model drug and a macromolecule carrier material, and the use thereof in the construction of a tumour image and a drug-delivery system for targeted treatment.

The disclosure provides multifunctional compounds for use in medical imaging and therapy, the compounds comprising two or more of (i) a chelating ligand moiety (CL); (ii) an optical probe moiety (OP); and (iii) a biological targeting moiety (BT). The disclosure further provides related compositions and methods.

The present invention is directed to a composition comprising at least one fibronectin binding polypeptide (FnBP) linked to at least one diagnostic or therapeutic agent, a nucleic acid encoding a fusion polypeptide comprising at least one fibronectin binding polypeptide (FnBP) linked to at least one diagnostic or therapeutic polypeptide agent as well as a corresponding recombinant vector and host cell comprising such a nucleic acid and preferably expressing said fusion polypeptide. The invention also relates to a kit of parts comprising at least one fibronectin binding polypeptide (FnBP), at least one diagnostic or therapeutic agent, and optionally one or more chemical agents for linking the fibronectin binding polypeptide (FnBP) to the diagnostic or therapeutic agent. In addition, the present invention intends said composition, nucleic acid, vector, host cell and kit for use in the therapeutic or prophylactic treatment of a disease, preferably a disease associated with abnormal fibronectin accumulation such as cancer, fibrosis or immune diseases.

The present invention is directed to a composition comprising at least one fibronectin binding polypeptide (FnBP) linked to at least one diagnostic or therapeutic agent, a nucleic acid encoding a fusion polypeptide comprising at least one fibronectin binding polypeptide (FnBP) linked to at least one diagnostic or therapeutic polypeptide agent as well as a corresponding recombinant vector and host cell comprising such a nucleic acid and preferably expressing said fusion polypeptide. The invention also relates to a kit of parts comprising at least one fibronectin binding polypeptide (FnBP), at least one diagnostic or therapeutic agent, and optionally one or more chemical agents for linking the fibronectin binding polypeptide (FnBP) to the diagnostic or therapeutic agent. In addition, the present invention intends said composition, nucleic acid, vector, host cell and kit for use in the therapeutic or prophylactic treatment of a disease, preferably a disease associated with abnormal fibronectin accumulation such as cancer, fibrosis or immune diseases.

A conjugate for treating an individual suffering from a disease, wherein the conjugate is comprised of: a targeting peptide comprising a sequence substantially identical to CAR, or a variant thereof; and at least one therapeutic molecule and methods for making and administering same. Also disclosed is a combination product for use in the treatment of a disease, wherein the combination product comprises: (a) a targeting peptide comprising a sequence substantially identical to CAR, or a variant thereof; (b) a liposome, wherein the targeting peptide is encapsulated within the liposome; and (c) an effective amount of an anti-inflammatory agent and methods for making and administering same.

A conjugate for treating an individual suffering from a disease, wherein the conjugate is comprised of: a targeting peptide comprising a sequence substantially identical to CAR, or a variant thereof; and at least one therapeutic molecule and methods for making and administering same. Also disclosed is a combination product for use in the treatment of a disease, wherein the combination product comprises: (a) a targeting peptide comprising a sequence substantially identical to CAR, or a variant thereof; (b) a liposome, wherein the targeting peptide is encapsulated within the liposome; and (c) an effective amount of an anti-inflammatory agent and methods for making and administering same.

Provided herein are compositions and methods for diagnosis and treatment of early-stage atherosclerotic plaques and reduction of plaques in arteries. In particular, provided herein are high-density-lipoprotein-functionalized magnetic nanostructures (HDL-MNS) capable of (i) precise anatomic detection of atherosclerotic lesions, (ii) removal of excess cholesterol from macrophage cells in atherosclerotic plaque, and/or (iii) delivery of therapeutic agents to plaque locations, and methods of diagnosis and treatment of atherosclerosis.

Provided herein are compositions and methods for diagnosis and treatment of early-stage atherosclerotic plaques and reduction of plaques in arteries. In particular, provided herein are high-density-lipoprotein-functionalized magnetic nanostructures (HDL-MNS) capable of (i) precise anatomic detection of atherosclerotic lesions, (ii) removal of excess cholesterol from macrophage cells in atherosclerotic plaque, and/or (iii) delivery of therapeutic agents to plaque locations, and methods of diagnosis and treatment of atherosclerosis.

The present disclosure provides peptide constructs for diagnostic imaging and therapeutic applications, using pegylated peptides which exhibit specific binding for a target molecule of interest, such as a biomarker of a disease or disorder.