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257 results about "Fibronectins" patented technology

Glycoproteins found on the surfaces of cells, particularly in fibrillar structures. The proteins are lost or reduced when these cells undergo viral or chemical transformation. They are highly susceptible to proteolysis and are substrates for activated blood coagulation factor VIII. The forms present in plasma are called cold-insoluble globulins.

Secretion signal vectors

InactiveUS7071172B2Minimize potential deleterious side effectAttenuate seizure activityBiocideAnimal repellantsHeterologousAdeno associate virus
The present invention provides delivery vectors for transferring a nucleic acid sequence to a cell in vitro, ex vivo or in vivo. The delivery vector comprises a segment encoding a secretory signal peptide. In embodiments of the invention, the delivery vector is an adeno-associated virus (AAV) vector. In other embodiments, the secretory signal peptide is a fibronectin secretory signal peptide (including variations and modifications, thereof). The delivery vectors of the invention may further comprise a heterologous nucleic acid sequence encoding a polypeptide of interest for transfer to a target cell, where the polypeptide of interest is operably associated with the secretory signal. Also disclosed are methods of transferring a nucleic acid of interest to a cell using the delivery vectors of the invention.
Owner:THE UNIV OF NORTH CAROLINA AT CHAPEL HILL

Artificial antibody polypeptides

A fibronectin type III (Fn3) polypeptide monobody, a nucleic acid molecule encoding a monobody, and a variegated nucleic acid library encoding a monobody, are provided by the invention. Also provided are methods of preparing an Fn3 polypeptide monobody, and kits to perform such methods. Further provided is a method of identifying the amino acid sequence of a polypeptide molecule capable of binding to a specific binding partner (SBP) so as to form a polypeptide:SSP complex, and a method of identifying the amino acid sequence of a polypeptide molecule capable of catalyzing a chemical reaction with a catalyzed rate constant, kcat, and an uncatalyzed rate constant, kuncat, such that the ratio of kcat / kuncat is greater than 10.
Owner:NOVARTIS AG

Improved fibronectin-based binding molecules and uses thereof

The invention provides fibronectin type III (Fn3)-based binding molecules that bind to a specific target antigen. The invention further provides bispecific Fn3-based binding molecules that bind to two or more targets simultaneously. The Fn3-based binding molecules of the invention can also be linked together to form multispecific Fn3-based binding molecules, and / or can be conjugated to a non-Fn3 moiety, such as, Human Serum Albumin (HSA), for improved half life and stability. The invention also provides methods for generating, screening and using Fn3-based binding molecules in a variety of therapeutic and diagnostic applications.
Owner:NOVARTIS AG

Cellular fibronectin as a diagnostic marker in stroke and methods of use thereof

Methods for the diagnosis and evaluation of stroke and stroke sub-type employ a variety of bio-markers including cellular fibronectin (c-Fn) assembled as a panel for stoke diagnosis and evaluation. Methods are disclosed for selecting markers and correlating their combined levels with a clinical outcome of interest. In various aspects the methods permit early detection and differentiation of stroke subtypes, determination of the prognosis of a patient presenting stroke symptoms, and identification of a patient at risk for early hematoma growth and / or malignant massive cerebral artery infarction. The disclosed methods provide rapid, sensitive and specific assays to greatly increase the number of patients that can receive beneficial stroke treatment and therapy, and to reduce the human and economic costs associated with incorrect stroke diagnosis.
Owner:PREDICTION SCI

Methods and compositions for the treatment of fibrotic conditions & impaired lung function & to enhance lymphocyte production

The present invention provides methods and compositions to treat fibrotic conditions, to increase lymphocyte production in vivo, and to improve and / or normalize lung function, pulmonary compliance, blood oxygenation, and blood pH to inhibit inflammatory processes to stimulate or inhibit pro-inflammatory and immune cells, and to inhibit migration of vascular endothelial cells. The invention contemplates the administration of human uteroglobin, native or recombinant, as a means of achieving these ends. Specifically, it has been found that uteroglobin inhibits cell adhesion to fibronectin, increases lymphocyte production in vivo, and improves and / or normalizes lung function, pulmonary compliance, blood oxygenation, and blood pH, and inhibits inflammatory process. In addition it has been found that uteroglobin can stimulate or inhibit pro-inflammatory and immune cells and inhibitor migration of vascular endothelial cells.
Owner:CC10 SWEDEN +4

Carboxylic acid derivatives that inhibit the binding of integrins to their receptors

A method for the inhibition of the binding of α4β1 integrin to its receptors, for example VCAM-1 (vascular cell adhesion molecule-1) and fibronectin; compounds that inhibit this binding; pharmaceutically active compositions comprising such compounds; and to the use of such compounds either a above, or in formulations for the control or prevention of diseases states in which α4β1 is involved.
Owner:ENCYSIVE PHARMA INC

Preparation method and kit of bispecific chimeric antigen receptor gene modified natural killer cells

The invention provides a preparation method of bispecific chimeric antigen receptor gene modified natural killer cells, comprising the features: constructing a bispecific chimeric antigen receptor gene containing specific-binding signaling lymphocyte activation molecule family member 7 and fibronectin mutants, recombining the bispecific chimeric antigen receptor gene to a viral vector, transfecting with human natural killer cells, and highly expressing the bispecific chimeric antigen receptor gene, thus specifically binding tumor cells that express the signaling lymphocyte activation molecule family member 7 and fibronectin mutants, inhibiting expression of natural killer cell inhibitory receptors, and preventing immune escape of tumor cells; meanwhile, activating a first signal and a co-stimulatory signal to trigger toxic activity of the tumor cells, and great anti-tumor killing toxicity is shown in in-vivo and in-vitro experiments; the invention also provides a kit for the preparation of autologous natural killer cells through the above method, and with the kit, it is possible to highly express the bispecific chimeric antigen receptor gene and trigger great anti-tumor effect.
Owner:ZICHENG RUISHENGHUI BEIJING BIOTECH DEV CO LTD

Tissue engineering scaffold containing alginate, glycosaminoglycan and collagen and preparation method thereof

The invention belongs to the tissue engineering scaffold field and particularly provides a tissue engineering scaffold containing alginate, glycosaminoglycan and collagen and a preparation method thereof. The tissue engineering scaffold provided by the invention is prepared by the following raw materials by weight percent: 5-30% of chitosan, 5-30% of collagen, 5-30% of alginate, 0.1-3% of hyaluronic acid, 0.01-0.05% of crosslinking agent, 0.1-3% of chondroitin sulfate, 5-20% of polyvinyl alcohol and the balance tertiary distilled water. For optimization, the tissue engineering scaffold also contains a proper amount of cell growth factor, fibronectin and laminin. The tissue engineering scaffold can be processed and shaped and can be used to prepare products with different forms and thickness, the shaping method is easy to operate, the raw materials are easy to get and not expensive and the tissue engineering scaffold can be used for scale industrialized production.
Owner:JINAN UNIVERSITY

A polymer film material and a preparation method thereof

The invention provides a polymer film material and a preparation method thereof. The polymer film material comprises a hydrophobic polymer layer and a hydrophilic polymer layer. The hydrophilic polymer layer is provided with a hydrophilic adhesive area provided with a functional material fixed to fibronectin. The hydrophilic polymer layer is provided with through holes. The through holes and the hydrophobic polymer layer form a hydrophobic adhesive area. The functional material is a functional monomer or a polymer of the functional monomer. A method of adopting combination of surface grafting and controlled irradiation by utilizing a photomask is adopted, the hydrophilic adhesive area and the hydrophobic adhesive area are formed on the surface of the polymer film and erythrocyte attachment proteins are bonded in the hydrophilic adhesive area, thus obtaining the polymer film material used for separating a single erythrocyte and a single blood platelet from blood.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI
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