186 results about "CARCINOMA COLON" patented technology

Pharmaceutical composition comprising antibodies or antigen binding fragments thereof that bind to globo H, SSEA3, and SSEA-4 are disclosed herein, as well as methods of use thereof. Methods of use include, without limitation, cancer therapies and diagnostics. The antibodies of the disclosure can bind to certain cancer cell surfaces. Exemplary targets of the antibodies disclosed herein can include carcinomas, such as those in brain, skin, bone, lungs, breast, esophagus, stomach, liver, bile duct, pancreas, colon, kidney, cervical, ovarian, and / or prostate cancer.

Pharmaceutical composition comprising antibodies or antigen binding fragments thereof that bind to SSEA-4 are disclosed herein, as well as methods of use thereof. Methods of use include, without limitation, cancer therapies and diagnostics. The antibodies of the disclosure can bind to certain cancer cell surfaces. Exemplary targets of the antibodies disclosed herein can include carcinomas, such as those in brain, lung, breast, mouse, esophagus, stomach, liver, bile duct, pancreas, colon, kidney, cervix, ovary, and / or prostate cancer.

Pharmaceutical composition comprising antibodies or antigen binding fragments thereof that bind to globo H, SSEA3, and SSEA-4 are disclosed herein, as well as methods of use thereof. Methods of use include, without limitation, cancer therapies and diagnostics. The antibodies of the disclosure can bind to certain cancer cell surfaces. Exemplary targets of the antibodies disclosed herein can include carcinomas, such as those in brain, skin, bone, lungs, breast, esophagus, stomach, liver, bile duct, pancreas, colon, kidney, cervical, ovarian, and / or prostate cancer.

A liposome composition for localizing an anti-tumor compound to a solid tumor via the bloodstream. The liposomes, which contain the agent in entrapped form, are composed of vesicle-forming lipids and between 1-20 mole percent of a vesicle-forming lipid derivatized with hydrophilic biocompatible polymer, and have sizes in a selected size range between 0.07 and 0.12 microns. After intravenous administration, the liposomes are taken up by the tumor within 24-48 hours, for site-specific release of entrapped compound into the tumor. In one composition for use in treating a solid tumor, the compound is an anthracycline antibiotic drug which is entrapped in the liposomes at a concentration of greater than about 50 mug agent / mumole liposome lipid. The method results in regression of solid colon and breast carcinomas which are refractory to anthracycline antibiotic drugs administered in free form or entrapped in conventional liposomes.

The invention relates to a controlled-release colon targeting drug adminitration preparation. The forms of the preparation are colon site-specific coated tablets or colon targeting pellets. The preparation consists of a tablet core or pellet core, an isolating layer and a controlled-release coating layer, wherein the controlled-release coating layer comprises an internal coating layer and an external coating layer. By adopting the multilayer coating technology, enteric soluble acrylic resin water dispersion and osmotic acrylic resin water dispersion are used as main coating materials for carrying out coating, thereby obtaining the controlled-release colon targeting drug adminitration preparation. The preparation of the invention enables drugs to be released at a constant rate at a colon section, realizes accurate site-specific drug release, increases the concentration of the drugs at some parts of positions with pathological changes, is beneficial to treating ulcerative colitis and carcinoma of colon, avoids the stimulation of the drugs on stomaches and small intestines, achieves the goal of colon site-specific drug release, enhances the targeting site-specific curative effect on colon diseases and reduces the toxic and side effect. Compared with the common oral preparations, under the condition of the same drug adminitration dosage, the preparation of the invention can enhance the curative effect and reduce the incidence rate of untoward reactions. Compared with the enemas or the rectal suppositories, the preparation has the advantages of uniform drug distribution in the colon and good patient compliance.

The invention relates to compositions comprising caveolin polypeptides and nucleic acids, and methods of use thereof. The invention is useful in the treatment of non-steroid dependent carcinoma, especially for treatment of gastrointestinal carcinoma. According to the invention, caveolin-1 or the gene encoding caveolin are especially preferred to treat colon carcinoma.

The invention relates to nitrogen-atom-containing arteannuin dimers disclosed as Formula (1) and pharmaceutically acceptable salts thereof, wherein X is NR, NR(CH2)nNR or a formula disclosed in the specification; R is H or C14 alkyl group; Y and Z are respectively (CH2)m, (CH2)n(OCH2CH2)m, OC(CH2)nCO or COAr; Ar is phenyl group, naphthyl group or heterocyclic group; N is a 2-8 whole number, and mis a 1-11 whole number; and the heterocyclic group is quinary or sexenary, and contains 1-2 heteroatoms selected from N, O and S. The invention also provides a preparation method of the nitrogen-atom-containing arteannuin dimers, a pharmaceutical composition of the nitrogen-atom-containing arteannuin dimers, and application of the nitrogen-atom-containing arteannuin dimers in preparing drugs for treating cancers, especially endometrial carcinoma, oophoroma, cervical carcinoma, breast cancer, colon cancer, lung cancer, prostatic cancer, liver cancer and / or stomach cancer.

The invention relates to novel anti-tumor application of an alkaloid compound penicillium enol A1 from penicillium citrinum. The penicillium citrinum IBPT-5 is collected in the China Center for Type Culture Collection (CCTCC), which is located in Wuhan University and has the collection number of CCTCC NO:M2013713, on December 25, 2013. Experiments prove that the compound has better anti-tumor activity on various tumor cells, and can be used for preparing cell proliferation inhibition medicines or anti-tumor medicines for anti-tumor study, wherein tumor cells comprise human colon cancer cells SW620, human hepatoma cells Huh7, human gastric carcinoma cells BGC-823, human colon cancer cells SW480, human esophageal squamous carcinoma cells KYSE450, human esophageal cancer cells EC9706, human highly metastatic lung carcinoma cells 95-D, human hepatoma cells PLC and human gastric carcinoma cells HGC-27.

The invention discloses a compound with an MEK (Mitogen-activated and Extracellular signal-regulated Kinase) inhibiting function as well as a preparation method and application of the compound. The structure of the compound disclosed by the invention is as shown in a formula (I). The preparation method of the compound disclosed by the invention comprises the steps of forming a coumarin ring by adopting a Pechmann reaction mainly and carrying out structural modification of different sites. In the binding experiment of the compound disclosed by the invention and MEK, the binding activity is up to 54.57nM; the anti-proliferation effect IC50 (half maximal inhibitory concentration) value on the melanoma cell A375 is up to 1.23 micrometers; the anti-proliferation effect IC50 value on the colon cancer cell HT-29 is up to 2.13 micrometers; and the activity is higher than that of a positive control U0126. The novel structure type coumarins compound with the MEK inhibiting function shows good MEK binding activity, MEK inhibiting activity, ERK (Extracellular signal Regulated Kinase) pathway inhibiting activity, anti-tumor effect and antiviral effect and has broad application value. The formula (I) is as shown in the specification.

The invention relates to novel anti-tumor application of an alkaloid compound penicillium enol B1 from penicillium citrinum. The penicillium citrinum IBPT-5 is collected in the China Center for Type Culture Collection (CCTCC), which is located in Wuhan University and has the collection number of CCTCC NO:M2013713, on December 25, 2013. The compound has good anti-tumor activity to various tumor cells, and can be used for preparing cell proliferation inhibition medicines or anti-tumor medicines for anti-tumor study, wherein tumor cells comprise human colon cancer cells SW620, human hepatoma cells Huh7, human gastric carcinoma cells SGC-7901, human gastric carcinoma cells BGC-823, human colon cancer cells SW480, human esophageal cancer cells EC9706, human highly metastatic lung carcinoma cells 95-D, human hepatoma cells PLC, human gastric carcinoma cells HGC-27 and human lymphoma cells RAJI.

The present invention relates to the use of cytotoxicity based on the effector function of anti-CDH3 antibodies. Specifically, the present invention provides methods and pharmaceutical compositions that comprise an anti-CDH3 antibody as an active ingredient for damaging CDH3-expressing cells using antibody effector function. Since CDH3 is strongly expressed in pancreatic, lung, colon, prostate, breast, gastric or liver cancer cells, the present invention is useful in pancreatic, lung, colon, prostate, breast, gastric or liver cancer therapies.

The invention discloses a Caco-2 cell surface specific binding polypeptide. Four polypeptide fragments are screened by phage display of a random dodecapeptide library, and the amino acid sequences of the four polypeptide fragments are respectively as follows: SPSIDTRYSRLG, CVSVGMKPSPRP, SVSVGMKPSPRP and MVSMDSSPRDRL. According to the screening method disclosed by the invention, colorectal carcinoma Caco-2 cell binding polypeptide sequences are screened by a phage polypeptide display technology, the affinity of phage clones with colorectal carcinoma cells is judged by enzyme-linked immunosorbent assay (ELISA), ten phage clones are obtained, and four polypeptide sequences are obtained by sequencing. The consensus amino acid sequence is XXSXXXXXXXRXX; homology analysis indicates that the polypeptide motif is likely to be the amino acid determinant on the tumor cell surface receptor binding ligand protein; by further judgment of cell immunofluorescence, the targeting result of the phage positive clones implicates that the phage positive clones can be specifically bound with Caco-2 cells; and the colorectal carcinoma Caco-2 cell specific polypeptide acquired by screening provides a preliminary experiment basis for early diagnosis of colorectal carcinoma, targeted delivery of antitumor drugs and development of targeted small peptide drugs.

The invention discloses a probiotics targeting carrier carrying an anti-cancer medicament curcumin and a preparation method thereof. The preparation method includes connecting the curcumin with spore surface of bacillus coagulans by means of an esterification reaction to synthesize and obtain curcumin-probiotics carrier (CUR-Spore); and then connecting the carrier with folic acid by means of the esterification reaction to successfully prepare and obtain probiotics folic acid targeting carrier carrying curcumin (CUR-Spore-FA). The targeting medicament carrier can be used to treat colorectal carcinoma, has targeting, and can reduce the toxic and side effect of the medicament. Moreover, the bacillus coagulans can protect the curcumin in the carrier medicament, so that the carrier drug can tolerate gastric acid to get through the stomach smoothly. The carrier drug can be colonization in the intestine and germination in the intestine to release curcumin for treating colorectal carcinoma. The preparation method improves the utilization rate of curcumin, establishes a targeting conveying system of the anti-cancer medicament, can be used for treating colorectal carcinoma, and provides a novel mode of treating colorectal carcinoma.

The invention discloses an application of 3,5-(E)-diarylmethylene-N-cyclopropyl piperidin-4-one compounds as an Hsp90 depressant. The invention discloses use of the 3,5-(E)-diarylmethylene-N-cyclopropyl piperidin-4-one compounds 1-4 represented by formulae shown in the description and compositions thereof in preparation of drugs for treating or preventing Hsp90 induced diseases. According to the use disclosed by the invention, the Hsp90 induced diseases are leukemia, colon cancer, liver cancer, lymphoma, nasopharyngeal carcinoma or breast cancer. According to the application, the compounds have powerful Hsp90 depression activity, and in vitro, the depression activity of the compounds 1-4 to six kinds of tumor cells is higher than that of 2F by 2 to 20 times. In vivo, relatively high nude-mouse transplantation tumor propagation depression activity is shown, so that the compounds can be used for preparing drugs for treating the leukemia, the colon cancer, the liver cancer, the lymphoma, the nasopharyngeal carcinoma and the breast cancer.

The invention provides a 2-aminoimidazopyridine derivative shown as a formula I, a formula II, a formula III or a formula IV and further provides a preparation method and application of the 2-aminoimidazopyridine derivative. An experiment shows that the 2-aminoimidazopyridine derivative has a remarkable proliferation inhibition effect on tumor cells (including an over-expressed wild type EGFR (Epidermal Growth Factor Receptor) human epidermal carcinoma cell line A431 and a Gefitinib drug-resisting human lung adenocarcinoma cell line H1975) related to the activity of EGFR tyrosine kinase in the aspect of a cell level, especially has a relatively good inhibition effect on the drug-resisting cell line H1975, has relatively weak inhibition activity on a low-expression EGFR human colon cancer cell line SW620 and can be applied to preparation of corresponding anti-tumor cell medicines. A general formula is shown in the description.

The invention relates to a Hemsleya cucurbitane tetracyclic triterpenoid compound with a structural formula (I) which is described in the specification. In the structural formula (I), R1 is H and R2 is H; or, R1 is beta-D-Glc, and R2 is Ac. The invention further relates to a pharmaceutical composition with the compound as an active component and application of the compound and the pharmaceutical composition in drugs used for treating lung adenocarcinoma and colorectal carcinoma.

The invention relates to novel beta-chloroethylnitrosourea compounds, and a synthesis method and application thereof. The structure of the beta-chloroethylnitrosourea compounds is disclosed as general formula (II). The in-vitro antitumor screening test on the compounds disclosed as general formula II proves that the compounds disclosed as general formula I have obvious inhibiting action on human cerebral nerve glioma cells SF763, SF767, SF126 and SF188, human colon cancer cell HT29, mouse leukaemia cell L1210 and many other tumor cell lines and have higher tumor inhibiting activity than the existing CENU and CENU / O6-benzylguanine combined medicine.

The invention relates to an application of a macrolide compound in reversing tumor multidrug resistance and enhancing an anti-tumor curative effect. The compound has the functions of inhibiting ABC transport protein activity, improving the concentration of a substrate chemotherapeutic drug of the ABC transport protein in tumor cells, reversing tumor multidrug resistance, and enhancing curative effects of the ABC transport protein substrate chemotherapeutic drugs such as antibiotic tumor chemotherapeutic drugs, plant-derived tumor chemotherapeutic drugs and small-molecular tyrosine kinase inhibitors, and has an effect of enhancing curative effects when being combined with antitumor drugs. Effective dose of the compound is combined with effective dose of an anti-tumor drug for application, apharmaceutically acceptable compound preparation is prepared by mixing with an effective dose of the antitumor drug, and is used for treating tumors including leukemia, lymphoma, gastric cancer, colon cancer, liver cancer, pancreatic cancer, breast cancer, nasopharyngeal carcinoma, cervical carcinoma, melanoma, multiple myeloma, and sarcoma.

The invention relates to ursolic acid derivatives with anticancer activity and a preparation method thereof. In the method, a carbonoxyl group at the C-28 position of ursolic acid is connected with natural alpha-amino acid through ethanediamine in a mode of forming an amido bond to synthesize a series of ursolic acid derivatives with anticancer activity. In-vitro pharmacological experiments indicate that the ursolic acid derivatives chemically modified by amino acid have obvious in-vitro inhibition effect on human liver cancer HepG2 cells, human colon cancer HT-29 cells, human gastric cancer AGS and BGC-823cells, and human prostatic cancer PC-3 cells.

The invention discloses tetrandrine derivatives and a preparation method thereof. The structural general formula of the compounds is as shown in the specification. The method comprises the following steps: dissolving bisbenzylisoquinoline compounds used as raw materials in a certain solvent, adding a reactant Y, mixing, reacting for 0.1-72 hours at a temperature ranging from minus 20 to 300 DEG C and under a neutral or alkaline condition, adding an acid to a solution obtained after reacting and neutralizing, and then carrying out separation and purification to obtain target products. The tetrandrine derivatives prepared by the method have an outstanding inhibition effect on the proliferation of the human hepatocarcinoma cell line HepG2 and the human colon cancer cells HT29, and thus can be applied to preparing anti-tumor medicines.

The invention discloses a DLD1 stable cell strain efficiently expressing human PKM1 protein and a construction method thereof, and belongs to the field of animal cell strains. The construction method comprises the following steps of: constructing a recombined human PKM1 gene lentiviral expression vector; packaging and harvesting lentivirus; transfecting DLD1 cell; and obtaining the stable cell strain through puromycin screening, RT-PCR and Western Blot technological detection. The stable cell strain constructed according to the method provides a powerful tool for searching colon cancer Wnt signal path and tumor energy metabolism.

The present invention discloses an antibody capable of binding to the PRG-3 protein and inhibiting the growth of cells expressing the PRG-3 protein. The growth inhibitory activity is cytotoxic activity, such as antibody-dependent cell-mediated cytotoxicity and complement-dependent cytotoxicity. The present invention also discloses a pharmaceutical composition, cell growth inhibitor, and an anticancer agent comprising the antibody of the present invention as an active ingredient. Examples of the type of cancer include hepatocellular carcinoma, lung cancer, colon cancer, and glioblastoma. In addition, the present invention discloses a method for diagnosing cancer by detecting expression of the PRG-3 protein or the gene encoding the PRG-3 protein, as well as a diagnostic agent and kit for use in the method.

The invention belongs to the field of medicines and health products, and concretely relates to an application of Chimonanthus salicifolius total alkaloid extract and monomer compounds thereof in the preparation of medicines or health products for treating gastrointestinal tumor diseases. The Chimonanthus salicifolius total alkaloid extract and chimonanthine monomer compounds (1-4) are extracted and prepared from a Calycanthaceae Chimonanthus plant Chimonanthus salicifolius, and experiments prove that the Chimonanthus salicifolius total alkaloid extract can substantially inhibit proliferation of stomach cancer SGC-7901, colorectal carcinoma SW1116 and colorectal carcinoma HCT116 cells and induce cancer cell apoptosis, and the alkaloid monomer compounds have different inhibition effects on the stomach cancer SGC-7901, colorectal carcinoma SW1116 and colorectal carcinoma HCT116 cells. The Chimonanthus salicifolius extract and the monomer compounds thereof can be applied individually or together or be combined with a suitable excipient, can be processed through a routine method to prepare an oral or non-oral dosage form used for treatment or assisted treatment of gastrointestinal tumor diseases, and is especially suitable for being used to prepare medicines or health products for treating stomach cancer and colorectal carcinoma.

The invention relates to an antitumor application of penicillium enol A2 from penicillium citrinum. Penicillium citrinum IBPT-5 is preserved at the China Center for Type Culture Collection on December 25, 2013; the address is Wuhan University; and the preservation number is CCTCC NO:M 2013713. An experiment proves that the compound has relatively good antitumor activity on a plurality of tumor cells, and can be used for preparing cell proliferation inhibition drugs or antitumor drugs to carry out antitumor research; and the tumor cells comprise human colon cancer cells SW620, human hepatoma carcinoma cells Huh7, human colon cancer cells SW480, human esophageal squamous cancer cells KYSE450, human esophageal carcinoma cells EC9706 and human hepatoma cells PLC.

The invention relates to a medicine treating carcinoma of colon and the method for preparing the same, which in detail is aglycone extract from root of Patrinia scabra Bge and the preparation method. The effective component is iridoid glycosides aglycone, the content is above 40%. The invention also provides the medicine agent and preparation. It is proved by pharmacologia test that the medicine is characterized by safe utilization, function of preventing the weight of tumor in transplanted carcinoma of colon. The extract can be produced into preparations of tablet, capsule, drop pill, granular or oral.

The invention provides a Paris forrestii (Takht) H.Li extract and preparation method or application to preparation of a drug for curing tumors or cancers thereof. The Paris forrestii (Takht) H.Li extract is a rhizome extract extracted with ethyl alcohol. The preparation method comprises the following steps: taking the rhizome of Paris forrestii (Takht) H.Li, drying, soaking for seven days with 95 percent ethyl alcohol after grinding, and filtering; continuously extracting filter residues for four times, merging filtrates, recovering a solvent, and thus obtaining the extract. The Paris forrestii (Takht) H.Li extract has significant inhibitory activity on hepatoma SMMC-7721 cells, lung cancer A-549 cells, breast cancer MCF-7 cells and colon cancer SW480 cells, and the activity is stronger than that of a positive control drug cisplatin. The Paris forrestii (Takht) H.Li extract is a new selection of a drug for curing or preventing cancers.

The invention provides a human colon carcinoma cell line DXH-1, which is derived from primary lesion of human sigmoid colon carcinoma, and application of the human colon carcinoma cell line as a human colon carcinoma occurrence, human colon carcinoma development or human colon carcinoma transfer cell model, application of the human colon carcinoma cell line in establishing a human colon carcinoma animal model and application of the human colon carcinoma cell line in researching a human colon carcinoma occurrence mechanism and / or medicines for treating the human colon carcinoma. The human colon carcinoma cell line DXH-1 disclosed by the invention can be stably transferred for more than 50 generations, so that an appropriate material is provided for colorectal carcinoma mechanism and drug screening. In an in-vivo nude mice experiment, the human colon carcinoma cell line shows a relatively strong tumorigenesis cavity, and the cell line, transplanted subcutaneously in nude mice by 1*106 cells, is capable of promoting 100% (5 / 5) tumorigenesis after 35 days; the DXH-1 cell has certain drug resistance to colon carcinoma chemotherapeutics (5FU, such as oxaliplatin, irinotecan and the like), so that a material is provided to the researches on a colon carcinoma chemotherapeutic resistance mechanism; and the human colon carcinoma cell line DXH-1 is preserved in China Center for Type Culture Collection in Wuhan University, Wuhan, China with number of CCTCC No: C201543.

The invention relates to anticancer liquiritigenin oral preparation and injection preparation, and a preparation method thereof, belonging to a medical technology field. The oral preparation comprises a particulate agent, tablets, capsules, pills and softgel, and the injection preparation comprises small hydro-acupuncture, freeze-dried powder injection, glucose injection and sodium chloride injection. The liquiritigenin oral preparation contains 0.1-100g liquiritigenin per 1000 preparation unit, and the injection preparation contains 0.1-100g liquiritigenin per 1000mL. Pharmaceutic adjuvants contain a diluent, a wetting agent, a disintegrating agent, a flow aid, a cosolvent, an excipient and an osmotic pressure regulator. The liquiritigenin preparation provided by the invention is safe and reliable, and has functions for preventing and treating cancers. And the anticancer medicament is used for preventing and treating lung cancer, liver cancer, stomach cancer, colorectal carcinoma, leukemia, etc., and is a new and effective anticancer medicine.