189 results about "Colon rectal cancer" patented technology

The present invention relates to a method for detecting the methylation of colorectal cancer-specific marker genes for colorectal cancer diagnosis, and more particularly to a method of detecting colorectal cancer-specific marker genes, which are methylated specifically in colorectal cancer cells, to provide information for diagnosing colorectal cancer. The use of the inventive method for detecting methylation and the inventive composition, kit and nucleic chip for diagnosing colorectal cancer makes it possible to diagnose colorectal cancer at an early transformation stage, thus enabling the early diagnosis of colorectal cancer. In addition, the inventive method enables colorectal cancer to be effectively diagnosed in an accurate and rapid manner compared to conventional methods.

Three kinds of tissues including cancer tissue, precancerosis and corresponding normal tissue are sliced up, dyed, marked, and positioned. Receptor holes are prepared by leading designed lattice array mould paper to paste on surface of wax block of receptor. Wax block with tissue core bar is prepared by using perforating needle and puncture needle for tissue. Common cancer such as lung cancer, nasopharyngeal carcinoma, oesophagus cancer etc. and having integrated clinical data and pathology features are selected. Through in situ hybridization, testing mRNA of relevant gene and expression of protein on tissue chip, consistent result between the invented product and traditional test is validated. In the product, cellular morphology is clear and even, and there is no fallen off tissue point. The invention is applicable to filter cancers, early diagnosis and forecasting prognosis.

The invention discloses a soap pod saponin extract, a preparation method thereof and an application for curing lung cancer, liver cancer, stomach cancer, colorectal cancer and leukemia. The soap pod saponin extract uses fructus gleditsiae or fructus gleditsiae sinensis as the raw material and is prepared by the extraction of ethanol, and the separation and the purification of macroporous resin, and the content of total saponin of the extract is more than 60 percent. The saponin extract mainly comprises various pentacyclic triterpene saponin compounds, has obvious lethal effect on the clone of the leukemia progranulocyte HL-60 and the stomach cancer transferring lymphocyte SGC7901 of people, and has remarkably inhibited effect on the tumor of mice S180 and mice having the liver cancer. When capsules prepared by the extract are used for curing 40 examples having liver cancer, lung cancer, stomach cancer and colorectal cancer, the partial remission rate is 45 percent, and the partial remission and stabilization rate is 72.5 percent. When the capsules are used for curing 30 patients who have leukemia, the complete remission rate is 66.7 percent, and the total remission rate is 90 percent which is better than that of a single chemo-treatment group. The extract can obviously lighten the toxic side effect caused by the chemo-treatment.

The invention belongs to the technical field of genetic engineering, and discloses long noncoding RNA SNHG15 and application thereof in preparation of cancer diagnosis and treatment drugs. Cancers include colorectal cancer, breast cancer, kidney cancer and the like. Expression of the long noncoding RNA SNHG15 in tumor tissues of patients suffering from the colorectal cancer, the breast cancer andthe kidney cancer is up-regulated. The patients with highly-expressed long noncoding RNA SNHG15 have poor prognosis. Through expression knock-down of the long noncoding RNA SNHG15 in colorectal cancercell lines, invasion, migration and multiplication capabilities of cells can be inhibited, and drug susceptibility of colorectal cancer cell lines to antitumor drugs including gemcitabine and cis-platinum can be improved.

The invention discloses a composition with an effect of preventing and treating cancers. The composition is mainly prepared from the following Chinese herbal medicines in percentage by mass: 20 to 85 percent of airpotato yam rhizome and 15 to 80 percent of Chinese angelica. The Chinese medicinal composition has the effect of preventing and treating the cancers, can eliminate the limit that liver injury is easily induced by chemotherapeutic medicinal medicines, is suitable for treating various cancers such as liver cancer, gastric cancer, breast cancer, lung cancer, bladder cancer, ovarian cancer, prostate cancer, esophagus cancer, pancreatic cancer, colon cancer, colorectal cancer, skin cancer, thyroid cancer, cervical carcinoma, leukemia and the like, can be used for preparing anti-cancer medicaments, realizes the application of the airpotato yam rhizome and Chinese angelica compositions to the preparation of medicaments for treating the cancers, develops the application range and the medicinal value of the airpotato yam rhizome and the Chinese angelica and makes creative contribution to the development of traditional Chinese medicine.

The invention discloses a quinoline derivative as shown in the formula (I) in the specification and a salt of the quinoline derivative, wherein in the formula, Z is NH or O; R is selected from hydrogen, fluorine, chlorine, bromine, methyl, ethyl, tertiary butyl, trifluoromethyl, methoxyl or nitryl; n is an integer of 0, 1, 2 or 3. The invention relates to a preparation method and application of the compound as shown in the formula (I) in the specification and the salt of the compound. The compound or the salt has very high inhibition activity for a human lung cancer cell strain A549, a colorectal cancer cell strain HCT-116 and a breast cancer cell strain MCF-7. The compound has a broad-spectrum anti-cancer activity and can be used as a candidate medicine or a lead compound for treating diseases such as tumor and cancer.

Belonging to the field of pharmaceutical compounds, the invention relates to 11, 20-dicarbonyl Jiyuan rubescensin a and L-amino acid-14-ester trifluoroacetate thereof, and a preparation method and usethereof. The preparation method includes: adopting Jiyuan rubescensin a as the raw material and performing oxidation with a Jones reagent, thus obtaining 11, 20-dicarbonyl Jiyuan rubescensin a, the structure of which is shown as the specification; then carrying out 14-position esterification reaction with N-BOC-L-amino acid to obtain N-BOC-L-amino acid-11, 20-dicarbonyl Jiyuan rubescensin a ester(III), then removing BOC protective group in trifluoroacetic acid, and then conducting salt forming to obtain L-amino acid-14-(11, 20-dicarbonyl Jiyuan rubescensin a)ester trifluoroacetate, which hasthe following general formula. The compound has good stability and anti-tumor activity, and provides the basis for screening antitumor drugs against esophageal cancer, gastric cancer, primary liver cancer, pancreatic cancer, cardiac carcinoma, colorectal cancer, bladder cancer, breast cancer, acute myelogenous leukemia and the like.

The invention provides a preparation method of a colon cancer cell strain expressed by stabilized silent PKM2 gene. The preparation method comprises the steps of constructing of shRNA lentiviral expression vector of human PKM2 gene, packaging and obtaining of lentivirus, DLD1 colon cancer lentivirus infecting, stabilized cell strain puromycin screening and Real-time PCR, Western blot identification. The experimental results show that the shRNA nucleotide sequence can be successfully inserted into the pLKO.1-puro expression vector, and the inhibitory effect on the expression of PKM2 gene is remarkable, endurable and stable. The prepared cell strain can be used as the experimental material for researching the regulating effect of PKM2 in malignant characteristics such as colon cancer cell energy metabolism, cell proliferation, cell migration and inflammation.

The invention belongs to the technical field of biomedicine and relates to an anti-tumor medicament based on alpha ketoglutaric acid and derivatives thereof. The derivatives comprise various ester derivatives, amide derivatives and ether derivatives; and the alpha ketoglutaric acid comprises chemical analogues and derivatives thereof. The results of in-vitro experiments indicate that the mutation of isocitrate dehydrogenase in gliomas results in the loss of enzyme activities, the alpha ketoglutaric acid capable of growing in cells is obvious reduced, the levels of anaerobic inductor factors capable of inducing tumors and promoting the growth of the tumors are obviously improved, and the phenomenon can be reversed by exogenously replenishing absorbable alpha ketoglutaric acid. Therefore, an absorbable alpha ketoglutaric acid compound can be used for treating the gliomas, pancreatic cancers, breast cancers, liver cancers, lung cancers, gastric cancers, colorectal cancers, colon cancer and melanomas.

The invention discloses a kit for detecting bacteria DNAs in faeces and the application thereof in colorectal cancer screening, diagnosis or auxiliary diagnosis. Bacteria DNAs in faeces are extracted and sequenced to obtain the species and abundance of bacteria, and colorectal cancer diagnosis is conducted based on the abundance of various bacteria. Compared with existing noninvasive colorectal cancer screen methods which have already been used clinically or for patent application, the kit has the advantages that the kit is completely noninvasive, colorectal cancer can be predicted and diagnosed more accurately, and the ROC area under the curve can be as high as 0.994.

The present invention provides a method for examining colorectal cancer and colorectal adenoma, which enables to detect colorectal cancer patients and patients at high risk of colorectal cancer at a high probability and is useful for diagnosis of colorectal cancer and colorectal adenoma, and provides the examination reagents thereof. The present inventors discovered that there are significant differences in the distribution of GlcNAc-6-sulfotransferase isozymes, sulfation enzymes of sugar residues, among non-cancer colorectal tissues, colorectal cancer tissues and colorectal adenoma tissues. Furthermore the inventors applied the discovery to diagnosis and found that colorectal cancers and adenomas are detected specifically by assaying a definite range of GlcNAc-6-sulfated sugar residues in tissues from patients or feces samples. MECA-79 antibody (Pharmingen, catalog No. 09961D, Distributor: Becton Dickinson), reacting with GlcNAc-6-sulfated sugar residues, which are produced specifically by the enzyme present in colorectal cancer and colorectal adenoma tissues could be used for the examination of colorectal cancers and colorectal adenomas.

The present application provides a novel method for analyzing a biological condition or a medical condition. It is now found that information about the modification of RNA can be used for the analysisof a biological condition or a medical condition. On the basis of this finding, the present invention provides a novel method for analyzing a biological condition or a medical condition. According tothe present invention, it becomes possible to analyze various biological conditions or medical conditions including diseases, and it also becomes possible to satisfactorily predict cancer (e.g., pancreatic cancer, colorectal cancer, stomach cancer) in an early stage.

The invention discloses application of FasL protein serving as a biomarker to qualitative Aspirin sensitivity detection of a colorectal cancer stem cell, and further discloses application of mRNA coding the FasL protein and serving as a biomarker to qualitative Aspirin sensitivity detection of the colorectal cancer stem cell, as well as application of acetylated H3K9 protein serving as a biomarker to qualitative Aspirin sensitivity detection of the colorectal cancer stem cell. According to the invention, Aspirin can selectively remove tumor stem cells of colorectal cancer, and can obviously raise the FasL protein expression level in a tumor stem cell of colorectal cancer, so that the FasL protein is Aspirin response protein, the Aspirin sensitivity of the tumor stem cell can be evaluated accurately and fast by detecting the expression level of an FasL gene or the FasL protein in the tumor stem cell. Therefore, Aspirin effectiveness can be evaluated directly from genetic transcription and protein expression/modification level.

An oleum fructus bruceae fat emulsion concentrated solution, a preparation method and an application thereof belong to the field of pharmacology and pharmaceutics. According to the invention, the defect that a traditional fat emulsion preparation technology is complex and stability is poor is overcome. The preparation technology provided by the invention is simple; the general physical stirring process is only needed; and no homogenization technology is required. A product prepared in the invention can be sterilized through a 0.22-micron microfiltration membrane; in clinical use, the product can be spontaneously emulsified after diluted by the use of an aqueous solution such as normal saline or a glucose solution, etc. and slightly oscillated; and under optimized conditions, average particle size is about 0.2 micron, and injection fat emulsion characteristics are fully embodied. The product has good fluidity, will not be retained on the wall, is single-phase, transparent and clear in appearance, can undergo clarification detection, will not cause preparation stratification after multigelation and is used for treating diseases such as stomach cancer, esophagus cancer, primary hepatic carcinoma, colorectal cancer, pancreas cancer, lung cancer, cervical carcinoma, bladder cancer, prostate cancer and other solid tumor metastatic cancer, etc.

The invention relates to application of a PPAR delta inhibitor combined immunotherapy drug in preparation of antitumor drugs. The immunotherapy drug is an immune agonist or an immune checkpoint inhibitor. The tumors are preferably melanoma, breast cancer, ovarian cancer, pancreatic cancer, lung cancer, liver cancer, esophageal cancer, colorectal cancer, colon cancer, lymphoma, brain tumor, sarcoma, cervical cancer, prostate cancer, bladder cancer, osteosarcoma, head and neck cancer, renal cell cancer or gastric cancer. The medicine disclosed by the invention is remarkable in anti-tumor effect, high in targeting property and very small in side effect.

The present invention addresses the problem of providing a composition for preventing the adsorption of a bacterium belonging to the genus Fusobacterium to a mucosal cell; and a pharmaceutical composition and a food or beverage composition for preventing or treating a disease or condition that is associated with the inflammation of a mucosal cell and is selected from the group consisting of ulcerative colitis, colorectal cancer, esophagus cancer, premature birth and periodontal disease. The problem can be solved by the composition for preventing the adsorption of a bacterium belonging to the genus Fusobacterium to a mucosal cell, which contains a bacterium belonging to the genus Bifidobacterium as an active ingredient; and the pharmaceutical composition and the food or beverage compositionfor preventing or treating a disease or condition that is associated with the inflammation of a mucosal cell and is selected from the group consisting of ulcerative colitis, colorectal cancer, esophagus cancer, premature birth and periodontal disease, which contains a bacterium belonging to the genus Bifidobacterium as an active ingredient.