Abstract: The invention relates generally to compositions and methods for generating immunotolerant responses in a subject. Specifically, the invention relates to a composition comprising a sulfated polysaccharide and a bioactive polypeptide for generating an immunotolerant response.

Abstract: The present disclosure provides compositions and methods for providing a cell replacement therapy to treat various diseases, including pancreatic diseases and diabetes. Specifically, the disclosure provides three-dimensional (3D) cell clusters of transdifferentiated insulin producing cells attached to scaffolds, such as a polysaccharide matrix, in order to provide a cell replacement therapy.

Abstract: The present invention relates to site-selective modification of polysaccharides at their reducing end by conjugation with a single aminoxy-Regioselective Addressable Functionalized Template (RAFT) peptide.

Abstract: Compositions comprising an alginate, a source of sodium ions and a carrier (e.g., a pharmaceutically acceptable carrier), which are characterized by reduced association of the alginate chains and hence by at least one of: (i) a zeta potential weaker than ?25 mV, at a concentration of 0.5% (w/v) alginate in the carrier; and (ii) a diffusion coefficient of at least 10?8 cm2/second, at a concentration of 0.5% (w/v) alginate in the carrier, are disclosed. Also disclosed are uses of the composition and methods utilizing the composition for treating inflammatory bowel disease; liver damage, diseases and disorders, for treating a medical condition treatable by a hepatotoxic agent and for reducing or preventing liver damage, including liver damage caused by a hepatotoxic agent.

Abstract: The present invention provides an anionic polyplex formed from a nucleic acid and an anionic polymer and further comprising a cation, which can be in the form of a nanoparticle or a microparticle and compositions comprising the anionic polyplex. The present invention further provides uses of the anionic polyplex such as delivery of the nucleic acid into cells and methods of treating a disease, disorder or condition selected from the group consisting of cancer, a metabolic, a neurodegenerative, a cardiovascular, and an infectious or inflammatory disease or disorder. The present invention also provides an anionic complex comprising a divalent cation and a nucleic acid but lacking an anionic polymer, in the form of a nanoparticle that is capable of forming a colloidal suspension.

Abstract: The present invention relates to site-selective modification of polysaccharides at their reducing end by conjugation with a single aminoxy-Regioselective Addressable Functionalized Template (RAFT) peptide.

Abstract: The present invention relates to methods for the treatment of hepatic disorders in a subject in need thereof. More specifically, the methods of the invention are based on the administration, preferably, systemic administration, of a therapeutically effective amount of at least one biocompatible alginate biomaterial, any modification thereof and any combination thereof. The invention further provides methods for sustaining serum albumin levels, and/or reducing serum AST and ALT, in subjects suffering from hepatic disorder. Still further, the invention provides methods for reducing apoptosis and inducing cell proliferation in a damaged liver tissue of a subject suffering of hepatic disorder, using the alginate biomaterial described by the invention.

Abstract: The present invention relates to site-selective modification of polysaccharides at their reducing end by conjugation with a single aminoxy-Regioselective Addressable Functionalized Template (RAFT) peptide.

Abstract: The invention relates generally to compositions and methods for generating immunotolerant responses in a subject. Specifically, the invention relates to a composition comprising a sulfated polysaccharide and a bioactive polypeptide for generating an immunotolerant response.

Abstract: The present invention provides an anionic nanoparticle formed from an anionic polymer and an anionic small molecule drug and further comprising a cation, wherein said anionic polymer is selected from an anionic natural polysaccharide or a derivative thereof, and an anionic synthetic polymer. The present invention further provides uses of the anionic nanoparticle for the deliver} 7 of the anionic small molecule drugs into cells and in methods for treating a disease, disorder or condition selected from cancer, metabolic, neurodegenerative, cardiovascular, infectious and inflammatory diseases or disorders, and methods for preparation of the nanoparticle. The present invention also provides a nanoparticle comprising a divalent cation and an anionic small molecule drug and lacking an anionic polymer, and methods for its production.

Abstract: Provided are orally administrable thin film dosage forms adapted to adhere to a mucosal tissue of a patient, wherein said film comprises mixtures of polymers and insulin.

Abstract: Disclosed herein are compositions, methods and uses utilizing alginate compositions, for treating, preventing and/or reducing liver damage induced by a hepatotoxic agent, and for treating a medical condition treatable by a hepatotoxic agent, in which an alginate composition is administered prior to, concomitant with, or shortly after exposure to a hepatotoxic agent. Also disclosed are pharmaceutical compositions comprising a hepatotoxic agent and an alginate composition and uses thereof for treating medical conditions treatable by the hepatotoxic agent.

Abstract: Disclosed herein are compositions, methods and uses utilizing alginate compositions, for treating, preventing and/or reducing liver damage induced by a hepatotoxic agent, and for treating a medical condition treatable by a hepatotoxic agent, in which an alginate composition is administered prior to, concomitant with, or shortly after exposure to a hepatotoxic agent. Also disclosed are pharmaceutical compositions comprising a hepatotoxic agent and an alginate composition and uses thereof for treating medical conditions treatable by the hepatotoxic agent.

Abstract: The present invention provides a method for treating spinal cord injury and repairing or regenerating a damaged spinal cord tissue comprising administering a composition comprising a sulfated alginate or sulfated hyaluronan optionally affinity-bound to one or more growth factors.

Abstract: The present invention provides a multi-compartment hydrogel, and a sulfated polysaccharide and at least two bioactive polypeptides capable of binding said sulfated polysaccharide, for use in repair or regeneration of a damaged tissue in a mammal. Also provided is a method for constructing the multi-compartment hydrogel. The present invention also provides a method for the repair or regeneration of a damaged tissue in a mammal, and a kit for constructing a multi-compartment hydrogel.

Abstract: The present invention relates to site-selective modification of polysaccharides at their reducing end by conjugation with a single aminoxy-Regioselective Addressable Functionalized Template (RAFT) peptide.

Abstract: The present invention provides an anionic polyplex formed from a nucleic acid and an anionic polymer and further comprising a cation, which can be in the form of a nanoparticle or a microparticle and compositions comprising the anionic polyplex. The present invention further provides uses of the anionic polyplex such as delivery of the nucleic acid into cells and methods of treating a disease, disorder or condition selected from the group consisting of cancer, a metabolic, a neurodegenerative, a cardiovascular, and an infectious or inflammatory disease or disorder. The present invention also provides an anionic complex comprising a divalent cation and a nucleic acid but lacking an anionic polymer, in the form of a nanoparticle that is capable of forming a colloidal suspension.

Abstract: A method of pacing a heart of a subject, is disclosed. The heart has a magnetically responsive object therein. The method comprises non-invasively applying to the heart an alternating magnetic field selected to vibrate the object against a wall of the heart such as to effect mechanical stimulation of the heart, thereby pacing the heart.

Abstract: The present invention relates to methods for the treatment of hepatic disorders in a subject in need thereof. More specifically, the methods of the invention are based on the administration, preferably, systemic administration, of a therapeutically effective amount of at least one biocompatible alginate biomaterial, any modification thereof and any combination thereof. The invention further provides methods for sustaining serum albumin levels, and/or reducing serum AST and ALT, in subjects suffering from hepatic disorder. Still further, the invention provides methods for reducing apoptosis and inducing cell proliferation in a damaged liver tissue of a subject suffering of hepatic disorder, using the alginate biomaterial described by the invention.

Abstract: The present invention relates to methods for the treatment of hepatic disorders in a subject in need thereof. More specifically, the methods of the invention are based on the administration, preferably, systemic administration, of a therapeutically effective amount of at least one biocompatible alginate biomaterial, any modification thereof and any combination thereof. The invention further provides methods for sustaining serum albumin levels, and/or reducing serum AST and ALT, in subjects suffering from hepatic disorder. Still further, the invention provides methods for reducing apoptosis and inducing cell proliferation in a damaged liver tissue of a subject suffering of hepatic disorder, using the alginate biomaterial described by the invention.