52 results about "Integrin Receptor" patented technology

αvβ3 Integrin receptor targeting liposomes comprise a cationic amphiphile such as a cationic lipid, a neutral lipid, and a targeting lipid. The targeting lipid includes a non-peptidic αvβ3 integrin antagonist.

Isolated protein complexes are provided comprising keratinocyte growth factor and vitronectin, or at least domains thereof that enable binding to and activation of both a keratinocyte growth factor receptor and an integrin receptor for vitronectin. These protein complexes include synthetic proteins where the keratinocyte growth factor and vitronectin sequences are joined by a linker sequence. In particular forms, vitronectin sequences do not include a C-terminal heparin binding domain. Also provided are uses of these protein complexes for stimulating or inducing cell migration and / or proliferation in wound healing, tissue engineering, cosmetic and therapeutic treatments such as skin replacement, skin replenishment and treatment of burns where epithelial cell migration is required. In other embodiments, the invention provides inhibition of cancer cell metastasis, particularly in relation to breast cancer.

The present invention belongs to the field of pharmaceutical technology and clinical pharmacy, relates to a cyclopeptide containing arginine-glycine-aspartic acid (RGD) sequence and its active liposome targeting, its preparation and application. The described cyclopeptide structure meets the requirements as ligand, and is cyclized by amido bond, its spatial conformation is stable, and is not easily degraded, its one end contains active sulphydryl group, and is convenient for modifying artificially-synthetic function peptide, its molecular weight is small, so that it is not easy to result in immune reaction, and can be used as ligand, and can be combined with hepatic stellate cell (HSC) surface integrator acceptor to construct active liposome targeting and implement target therapy for experimental hepatic fibroid cell. Said invention can obtain good therapeutic effect for curing hepatitis fibrosis.

Techniques for the production of flow-oriented collagen gels using hydrodynamics to influence the assembly of collagen fibers. Highly concentrated monomeric solutions of collagen are subjected to shear and extensional flow as they are drawn onto a substrate to induce fibrillogenesis under a high Ph buffer. The produced gel captures the flow induced ordering of molecular collagen upon fibril formation. The depositing or the induction of fibrillogenosis occurs without the application of a magnetic field to the concentration of collagen. These highly oriented 3D scaffolds are capable inducing contact guidance and guiding mammalian cell growth. The collagen fibers mimic the construction of in vivo fibers with the characteristic D-periodicity and the integrin receptors on the fibroblasts respond to this organization. The industrial applications of three-dimensional collagen gels as a biomaterial are widespread from drug delivery to burn repair or tissue engineering system.