Ansun Biopharma, Inc.

Nexbio, Inc.

Lifesensors, Inc.

The United States of America

Michael P Malakhov

Fang Fang

Tauseef R Butt

Oxana A Malakhova

Hiep Tran

Steven D Weeks

Mang Yu

David Wurtman

Tiejun Li

Ron Moss

Hiep T Tran

Microspheres are produced by contacting an aqueous solution of a protein or other macromolecule with an organic solvent and a counterion, and chilling the solution. The microspheres are useful for preparing pharmaceuticals of defined dimensions.

Technology for preparation of macromolecular microspheres

The present invention provides new compositions and methods for preventing and treating pathogen infection. In particular, the present invention provides compounds having an anchoring domain that anchors the compound to the surface of a target cell, and a therapeutic domain that can act extracellularly to prevent infection of a target cell by a pathogen, such as a virus. The present invention also comprises therapeutic compositions having sialidase activity, including protein-based compounds having sialidase catalytic domains. Compounds of the invention can be used for treating or preventing pathogen infection, and for treating and reducing allergic and inflammatory responses. The invention also provides compositions and methods for enhancing transduction of target cells by recombinant viruses. Such compositions and methods can be used in gene therapy.

Class of therapeutic protein based molecules

Microparticle formulations of a sialidase fusion protein are produced by contacting an aqueous solution of a protein or other active agent with an organic solvent, a counterion and a scavenging agent, and chilling the solution. The microparticles are useful for preparing stable, uniform pharmaceuticals of predetermined defined dimensions.

Microparticle formulations for delivery to the lower and central respiratory tract and methods of manufacture

The present invention provides a method of reducing the quanitity of mucus in the respiratory tract of a subject with elevated levels of mucus in said respiratory tract. The method includes administering to the subject a compound or composition containing a therapeutically effective amount of a fusion protein comprising a sialidase or an active portion thereof and an anchoring domain. The therapeutically effective amount comprises an amount of the fusion protein that results in a reduction of the quanitity of mucus in the respiratory tract after administration of the compound or composition when compared to the quantity of mucus present prior to administration of the compound or composition.

Methods, compounds, and compositions for treatment and prophylaxis in the respiratory tract

The present invention provides new compositions and methods for preventing and treating pathogen infection. In particular, the present invention provides compounds having an anchoring domain that anchors the compound to the surface of a target cell, and a therapeutic domain that can act extracellularly to prevent infection of the target cell by a pathogen, such as a virus. Preferred target cells are epithelial cells. The invention provides compositions and methods for preventing viral diseases, such as influenza, using compounds having anchoring domains that can bind target cells linked to enzymatic activities that can act extracellularly to interfere with viral infection of target cells. The invention also provides compositions and methods for preventing viral diseases such as influenza using compounds having anchoring domains that can bind target cells linked to protease inhibitors that can act extracellularly to interfere with viral infection of target cells.

Broad spectrum anti-viral therapeutics and prophylaxis

Methods for enhancing expression levels and secretion of heterologous fusion proteins in a host cell are disclosed.

Growing community of inventors

San Diego, CA, United States of America

Michael P Malakhov