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123 results about "Cirrhotic liver" patented technology

Cirrhosis is a late stage of scarring (fibrosis) of the liver caused by many forms of liver diseases and conditions, such as hepatitis and chronic alcoholism.

Application of oligoguluronates in preparation of drugs for prevention and treatment of liver damage and various hepatitis, liver fibrosis or cirrhosis

The invention belongs to the field of marine drugs, and in particular relates to an application of oligoguluronates in preparation of drugs for prevention and treatment of liver damage and various hepatitis, liver fibrosis or cirrhosis. The oligoguluronates are used in preparation of the drugs for protection of livers and treatment of various hepatitis, liver fibrosis or cirrhosis; the oligoguluronates adopt algin as a raw material, and oligoguluronic acids with different molecular weights are obtained through a chemical degradation method or a physical degradation or a combination of the two degradation methods; the oligoguluronic acids are neutralized to prepare lithium salts, sodium salts, potassium salts, calcium salts or magnesium salts of the oligoguluronic acids with different molecular weights, wherein a molecular skeleton is a linear oligosaccharide compound formed by connecting L-guluronic acid (G) through alpha-(1,4)-glycosidic bonds. The products are derived from the marine natural product, have many advantages of abundant resources, easy industrialization, safety, effectivity and the like, and have broad development and application prospects in prevention and treatment of liver damage and various hepatitis, liver fibrosis or cirrhosis.
Owner:MARINE BIOMEDICAL RES INST OF QINGDAO CO LTD

Recombinant adenoviral vectors and their utility in the treatment of various types of fibrosis: hepatic, renal, pulmonary, as well as hypertrophic scars

<heading lvl="1">SUMMARY OF THE INVENTION < / heading> The use of gene therapy for the treatment of different kinds of fibrosis in human beings is disclosed. The purpose is the use of "therapeutic2 genes specifically directed to target organs to revert and / or prevent the development of the fibrosis process. The potential application of gene therapy to patients with fibrosis and / or cirrhosis will depend to a large extent on the successful delivery of genes which encode for therapeutic proteins to livers with severe fibrosis and that these genes which encode for proteins human MMP-8 active and latent, MMP-1, MMP-2, MMP-9 and MMP-13; human uPA wild type and / or modified (or its truncated version), the truncated receptor for TGF-beta type II and Smad-7 can be directed by adenovirus and / or other recombinant vectors that cannot transduce (infect) others organs. The recombinant adenoviruses (AdR) are vectors highly efficient for the transduction of therapeutic genes to diverse target cells. We have proved that they can carry genes to cirrhotic livers. The delivery of therapeutic genes through such adenoviral vectors and other recombinant vectors could also be performed using cationic and anionic liposomes (DOTMA). Therefore, we propose the use of this patent to be applied in the same manner to: Renal fibrosis Pulmonary fibrosis Hypertrophic and keloid scars (skin fibrosis), and Other kinds of fibrosis.
Owner:TGT LAB DE C V

Cirrhotic portal hypertension non-invasive evaluation method based on 3D multi-channel convolutional neural network

The invention relates to the field of non-invasive measurement, discloses a cirrhotic portal hypertension non-invasive evaluation method based on a 3D multi-channel convolutional neural network, and solves the problems that in the prior art, an invasive measurement method is high in risk, high in cost and high in operation difficulty, and the accuracy of a current clinical non-invasive predictionmodel is still affected by various interference factors. The method comprises the following steps: S1, acquiring a CTA layer sequence image of a patient with liver cirrhosis and portal hypertension ina portal period; S2, preprocessing the CTA layer sequence image; S3, performing segmentation based on the preprocessed CTA layer sequence image to obtain three-dimensional images of the liver, the spleen and the portal vein system; S4, extracting the characteristics of the three-dimensional images of the liver, spleen and portal system by adopting a multi-channel 3D convolutional neural network,and training by taking a measured HVPG grading value of the patient with liver cirrhosis portal hypertension as output to obtain a stable portal hypertension prediction model; and S5, evaluating the portal pressure of the patient through the stable portal high-pressure prediction model.
Owner:WEST CHINA HOSPITAL SICHUAN UNIV

Rat culture method for transforming nonalcoholic steatohepatitis into hepatocellular carcinoma and application of method

The invention relates to a rat culture method for transforming nonalcoholic steatohepatitis into hepatocellular carcinoma and an application of the method. The method and the application thereof effectively solve the problem that stable, reliable and effective model rats are provided for transforming nonalcoholic steatohepatitis into hepatocellular carcinoma, and technical support is provided foranimal experiments and new drug development of pathogenesis and development mechanisms of NASH, liver fibrosis, liver cirrhosis and HCC. The method includes adaptively feeding adult SD male rats weighing 250-300 g for 1 week, feeding a high-fat CDAA feed, adding diethylnitrosamine into drinking water for induction, observing mental state and hair condition of the rats, measuring intake and drinking water, and measuring weight of the rats every week; and calculating from the first feeding of high-fat CDAA diet and the addition of DEN into drinking water, and continuously culturing and feeding for 4-16 weeks to obtain rats transformed from nonalcoholic steatohepatitis to hepatocellular carcinoma. The method is easy to operate, short in time, stable and effective, and provides modeling and technical support for the research and development of new drugs for treating the transformation from nonalcoholic steatohepatitis to hepatocellular carcinoma.
Owner:HENAN UNIV OF CHINESE MEDICINE
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