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43 results about "Focal adhesion" patented technology

In cell biology, focal adhesions (also cell–matrix adhesions or FAs) are large macromolecular assemblies through which mechanical force and regulatory signals are transmitted between the extracellular matrix (ECM) and an interacting cell. More precisely, focal adhesions are the sub-cellular structures that mediate the regulatory effects (i.e., signaling events) of a cell in response to ECM adhesion.

Compositions and methods for treating cellular response to injury and other proliferating cell disorders regulated by hyaladherin and hyalurons

The present invention provides compositions and methods for treating a tissue disorder associated with a response-to-injury process or proliferating cells in a mammal. These tissue disorders are associated with a novel cellular phenotype designated as “transition cells” which are described herein. This cellular phenotype is characterized in having an activated erk kinase signaling activity, a stimulated AP-1 binding activity, and at least one characteristic selected from the group consisting of: (a) increased podosome formation, (b) increased flux of intracellular or extracellular hyaluronans or hyaladherins, (c) increased expression of a hyaladherin, (d) an inability to form focal adhesions, (e) increased metalloproteinase activity, and (f) increased expression of a hyaladherin. Example tissue disorders include fibrosis, inflammation, degeneration and invasive disorders such as occur in cancerous cells. The methods provided herein include administering to the mammal, an effective amount of a composition that alters the activity of transition molecules within a cell Transition molecules are shown to be comprised of hyaladherins, hyaluronans and associated molecules that regulate the transitional phenotype. A novel cell culture comprising transition cells is also provided, as well as compositions comprising particular peptides, polypeptides, and antibodies that affect the transitional phenotype.
Owner:TURLEY EVA +1

Compositions and methods for treating cellular response to injury and other proliferating cell disorders regulated by hyaladherin and hyaluronans

The present invention provides compositions and methods for treating a tissue disorder associated with a response-to-injury process or proliferating cells in a mammal. These tissue disorders are associated with a novel cellular phenotype designated as “transition cells” which are described herein. This cellular phenotype is characterized in having an activated erk kinase signaling activity, a stimulated AP-1 binding activity, and at least one characteristic selected from the group consisting of: (a) increased podosome formation, (b) increased flux of intracellular or extracellular hyaluronans or hyaladherins, (c) increased expression of a hyaladherin, (d) an inability to form focal adhesions, (e) increased metalloproteinase activity, and (f) increased expression of a hyaladherin. Example tissue disorders include fibrosis, inflammation, degeneration and invasive disorders such as occur in cancerous cells. The methods provided herein include administering to the mammal, an effective amount of a composition that alters the activity of transition molecules within a cell Transition molecules are shown to be comprised of hyaladherins, hyaluronans and associated molecules that regulate the transitional phenotype. A novel cell culture comprising transition cells is also provided, as well as compositions comprising particular peptides, polypeptides, and antibodies that affect the transitional phenotype.
Owner:TRANSITION THERAPEUTICS INC

Yeast extract, oligopeptide-1 and acetyl hexapeptide-1 V-shaped face stock solution capable of enabling faces to be compact in skin

The invention discloses a yeast extract, oligopeptide-1 and acetyl hexapeptide-1 V-shaped face stock solution capable of enabling faces to be compact in skin. The yeast extract, oligopeptide-1 and acetyl hexapeptide-1 V-shaped face stock solution contains water, butanediol, glycerine, betaine, beta-glucan, a yeast extract, a bacillus fermentation product, oligopeptide-1,acetyl hexapeptide-1, a honey extract, a paeonia suffruticosa root extract, an arnica extract, an althea root extract, a tilia europaea flower extract, propylene glycol, hydroximic acid, glycerol caprylate, hydroxyacetophenone,DL-1,2-Hexanediol, Arabic gum, xanthan gum, glycerine, a wild soybean seed extract, sodium hyaluronate and ethylenediaminetetraacetic acid disodium salt. The yeast extract, oligopeptide-1 and acetylhexapeptide-1 V-shaped face stock solution contains various natural plant extract essence, is prepared from a pure traditional Chinese medicine formula, is free from any hormones, can provide nutrients for skin and muscle, can promote cell energy, can enable the skin to be compact, can strengthen skin cohesion, and can strengthen focal adhesion. The yeast extract, oligopeptide-1 and acetyl hexapeptide-1 V-shaped face stock solution is natural, mild, good in safety and notable in V-shaped face effect of enabling the skin to be compact.
Owner:广州珈源日化用品有限公司

Preparation method of porous scaffold material for tissue engineering

The invention relates to a preparation method of a porous scaffold material for tissue engineering, which belongs to the field of medical material preparation. The method is implemented by taking sodium alginate with good biocompatibility and lotus fibers as raw materials through the steps of oxidizing sodium alginate, nanocrystallizing lotus fibers, crosslinking the obtained object by using carboxymethyl chitosan, and carrying out vacuum freeze-drying on the obtained product, so that the porous scaffold material is obtained; and according to the invention, the defect that polymeric biomaterials are poor in biocompatibility is overcome, and the shortcomings that pure sodium alginate as a tissue material is poor in mechanical property and slowly degraded are made up. The porous scaffold material prepared according to the invention has good biodegradability, the porous scaffold material is degraded in the process of cell growth and reproduction, and degradation products are non-toxic and harmless; and the porous scaffold material has high porosity and specific surface area, so that the porous scaffold material is applicable to the focal adhesion and growth of cells, the intercellular signal transduction and nutrient transfer, and the discharge of degradation products and metabolic products.
Owner:THE FIRST AFFILIATED HOSPITAL OF SUN YAT SEN UNIV

Application of ganoderma lucidum spore powder in preparing medicine for preventing and treating compensatory cardiac hypertrophic heart disease

The invention discloses application of ganoderma lucidum spore powder in preparing medicine for preventing and treating compensatory cardiac hypertrophic heart disease. The ganoderma lucidum spore powder is preferably the ganoderma lucidum spore powder obtained by an ultra-low temperature freeze-thawing breaking method. In the invention, a mouse model of cardiac hypertrophy is induced by pressureoverload, the morphological structure and function of the heart of the mouse are evaluated by the left ventricular wall thickness, the inner diameter, the ejection fraction, and the histopathology andother indexes, and results indicate that the ganoderma lucidum spore powder (150 mg / (kg.BW)) can correct the morphological structure and function of the heart of the mouse with myocardial hypertrophyinduced by pressure overload. At the same time, the gene sequencing technology and bioinformatics analysis are applied, and it is found that ganoderma lucidum spore powder can protect the heart fromheart injury caused by pressure overload by regulating the changes of mRNA expression profile and by the multi-target and multi-channel integration regulation, wherein endocytosis, insulin signaling pathway and focal adhesion signaling pathway may be important regulatory mechanisms thereof.
Owner:广东仁源健康管理有限公司 +1

A Visual and Quantitative Method for Labeling Aggregated Functional Proteins in Cells

ActiveCN112964682BAccurate evaluation of molecular contentAchieve imagingFluorescence/phosphorescenceStainingProtein detection
The invention relates to the technical field of biological probes and protein detection, and provides a method for visually and quantitatively labeling aggregated functional proteins in cells, by constructing and characterizing the aggregation-induced luminescent probe AIE-cRGD, and measuring the absorption peak of the probe AIE-cRGD and the fluorescence emission peak and the applicable concentration, the detection confirmed that the target protein of the probe was integrin αvβ3, the suspension survival cell model was established based on the poly-HEMA plating method, and the cells in the suspension survival cell model were induced to grow in an environment of detachment, Simulate the anti-apoptotic state of cells, use probes to label integrins in cells and perform imaging. When integrins are internalized into endosomes, determine the distribution of integrins in detached cells and detect phosphorylation Colocalization of focal adhesion kinase p‑FAK with activated integrins on endosomes determines cell resistance to apoptosis The invention can be directly used for the staining of living cells, lays a foundation for the visualization of physiological functions, and is beneficial to high-quality imaging and high-sensitivity online sensing monitoring.
Owner:INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI
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