223 results about "CARCINOMA LIVER" 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.

The invention relates to an immune gene prognosis model for predicting hepatocellular carcinoma tumor immune infiltration and postoperative survival time, and belongs to the technical field of biological medicines. The model can be used for evaluating the infiltration degree of immune cells in a tumor in clinical practice by detecting the expression levels of 22 specific immune related genes of ahepatocellular carcinoma patient, so that the model can be used for predicting hepatocellular carcinoma tumor immune infiltration in clinical practice and improve the prediction capability of the liver cancer immunotherapy response. The model can be used for judging the postoperative overall survival risk of a patient and guiding the formulation of a postoperative treatment strategy, and the corresponding microarray chip kit can realize the standardization and convenience of detection. Meanwhile, the immune gene prognosis model provided by the invention can increase the prediction accuracy andthe clinical net income of a hepatocellular carcinoma TNM staging system on the total survival time of three years and five years after operation. As a molecular marker for objectively and accuratelyevaluating the tumor immune state and poor prognosis risk of hepatocellular carcinoma, the model can realize accurate implementation of hepatocellular carcinoma immunotherapy and accurate prognosis prediction.

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.

The present invention relates to a pentacyclic triterpanoid derivative of multiple-oxide substitution of the A ring and the medicine salt or solvate of the derivative, and the present invention also relates to the preparation method, the drug combination, and medical use of the derivative. The compound of the present invention has the functions of inhibiting the activity of six human tumor cell strains in vitro, such as human prostate cancer cell (PC-3), nasopharyngeal carcinoma cells (CNE), oral squamous carcinoma cell(KB), human lung cancer cell (A549), human hepatoma cell (BEL-7404), and human cervix cancer cell (Hela), and the function of the invention is at the same magnitude of the positive control of cisplatin, thereby the compound can be used as expected antitumor drug. The compound of the present invention also inhibits the alpha glucosidase strongly, and the inhibiting effect is greater than the positive control of acarbose, thereby the compound can be used as expected medicine for preventing and treating diabetes and the treatment of the virus diseases.

Pharmaceutical composition comprising antibodies or antigen binding fragments thereof that bind to stage-specific embryonic antigen 4 (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 breast cancer, lung cancer, esophageal cancer, rectal cancer, biliary cancer, liver cancer, buccal cancer, gastric cancer, colon cancer, nasopharyngeal cancer, kidney cancer, prostate cancer, ovarian cancer, cervical cancer, endometrial cancer, pancreatic cancer, testicular cancer, bladder cancer, head and neck cancer, oral cancer, neuroendocrine cancer, adrenal cancer, thyroid cancer, bone cancer, skin cancer, basal cell carcinoma, squamous cell carcinoma, melanoma, and / or brain tumor.

The invention provides a preparation method for a chlorella polypeptide microcapsule. The method comprises the following steps: extracting chlorella protein by using a low temperature ultrahigh pressure continuous flow cell crusher; hydrolyzing the chlorella protein with papain; filtering the hydrolyzed chlorella protein with an ultrafiltration centrifuge tube; then carrying out separation and purification by using ion exchange chromatography DEAE-52 and gel chromatography dextrangel G-25 columns; and finally utilizing complex coacervation to prepare the chlorella polypeptide microcapsule. The chlorella polypeptide microcapsule prepared in the invention has antitumor activity, e.g., the chlorella polypeptide microcapsule has inhibitory effects on in vitro growth of human hepatoma carcinoma cells HepG2 and the inhibition rate of the chlorella polypeptide microcapsule reaches 38% when concentration is 400 mu g / mL. Therefore, the chlorella polypeptide microcapsule prepared in the invention is beneficial for development and utilization of antitumor health food and medicinal products.

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 fly maggot extractive containing the principal components of water-soluble proteins, and the water-soluble proteins contained in the fly maggot extractive have the mass percentage of 50-70 percent and the molecular weight of 2-16 KDa. The fly maggot extractive not only has obvious inhibiting effect on human promyelocytic leukemia HL-60 cells, human erythroleukemia K562 cells, human liver cancers SMMC-7721, mouse leukemia P388 cells, human lung adenocarcinoma A549 cells, human nasopharyngeal darcinoma CNE cells, human prostatic carcinoma PC3 cells, human cervical carcinoma HeLa in vitro, but also has outstanding inhibiting effect on mouse S180 sarcomas and mouse Heps liver cancer solid tumors, and also has the effect on enhancing the humoral immunity of organisms. The invention also discloses a preparation method of the fly maggot extractive. The preparation method is easy and convenient for operation and control and low in cost and is suitable for industrialized production.

The invention relates to a marine bacillus and its polypeptide with antitumor activity. The strain is preserved at China Center for Type Culture Collection in Wuhan, and its preservation number is CCTCC M 2013063. A novel marine bacillus polypeptide with anti-tumor activity is obtained from a fermentation product of the strain. By means of an MTT method, the invention finds that the polypeptide has an obvious proliferation inhibition effect on human hepatoma carcinoma cell BEL-7402, human breast cancer cell MCF-7, human glioma cell U251, human non-small-cell lung cancer cell A549 and other tumor cells, has relatively small cytotoxicity on human fibroblast HFL1, and can be applied in drugs treating human liver cancer, gliomas, lung cancer and breast cancer.

The invention provides a novel immunomodulatory protein FIP-ppl derived from a fungus by applying a genetic engineering means for the first time. According to the invention, a gene which codes the protein is provided and synthesized. The protein FIP-ppl has immunomodulatory and anti-tumor effect. Experiments verify that the protein has a catalytic splitting effect on splenic lymphocyte and can add synthesis of interleukin 2; the protein has remarkable suppress proliferation and apoptosis-inducing effects of the protein on hepatoma carcinoma cell HepG2 and gastric carcinoma cell MCG823 are further verified. The protein FIP-ppl provided by the invention is lowly homological with almost found immunomodulatory proteins of fungi and is a novel immunomodulatory and anti-tumor biological preparation.

The invention provides a human hepatoma carcinoma cell and application thereof. The human hepatoma carcinoma cell is preserved in China Center of Typical Culture and Preservation, and the preservation number of the human hepatoma carcinoma cell is CCTCC No. C201072. The human hepatoma carcinoma cell can be used for producing human liver cancer in mammal to prepare the human liver cancer model which can be used for further selecting the candidate medicine for treating the human liver cancer. The human hepatoma carcinoma cell line has stable properties and can be transferred stably for multiple times. The properties can be maintained stable from 20th generation to 50th generation of the passages. The human hepatoma carcinoma cell line has the biological properties of the human liver cancer on the clinic, hepatitis B DNA is integrated in the cancer cell genetic group, so novel experimental materials which are more close to the biological properties of the clinic liver cancer can be provided for researching the liver cancer.

The invention relates to the technical field of biology, in particular to a nano-antibody GN1 specifically combined with a GPC3 protein. The nano-antibody GN1 is composed of a variable region of a heavy-chain antibody, the variable region of the heavy-chain antibody comprises an antigenic determinant complementary region and a skeleton region, the skeleton region is selected from the group consisting of FR1, FR2, FR3 and FR4 and homologous sequences thereof, the antigenic determinant complementary region is selected from the group consisting of CDR1, CDR2 and CDR3 and homologous sequences thereof, the amino acid sequences of the CDR1 to the CDR3 are shown in the formulas of SEQ ID NO. 1 to SEQ ID NO. 3, the amino acid sequences of the FR1-4 are shown in formulas of SEQ ID NO. 4-7, the amino acid sequence of the antibody is shown in the formula of SEQ ID NO.8, and the nucleotide sequence for encoding the amino acid is shown in the formula of SEQ ID NO.9. The nano-antibody GN1 can be specifically combined with hepatoma carcinoma cells highly expressing the GPC3 protein to inhibit hepatoma carcinoma cell proliferation. The amino acid sequence of the nano-antibody GN1 or the nucleotidesequence of the nano-antibody GN1 or the recombinant plasmid containing the nucleotide sequence of the nano-antibody GN1 or the recombinant cell containing the recombinant plasmid containing the nucleotide sequence of the nano-antibody GN1 can be applied to research and development of diagnostic reagents and drugs for treating liver cancer.

The invention discloses an S-(5-substituted-1, 3, 4-thiadiazole)-(5-substituted phenyl)-2-furancarbothioic acid ester compound, a preparation method and application thereof. The compound has a structural general formula shown as formula I. The S-(5-substituted-1, 3, 4-thiadiazole)-(5-substituted phenyl)-2-furancarbothioic acid ester compound has an obvious control effect on potato late blight, cucumber fusarium wilt, Botrytis cinerea Pers, Pepper Phytophthora blight, rice sheath blight, wheat scab, Colletotrichum musae, asparagus stem blight and the like, and can be used as an agricultural fungicide in control of plant diseases. At the same time, the compound has an inhibitory effect on HL-60 human leukemia cells, MCF-7 human breast cancer cells, BGC-823 human gastric cancer cells, Bel-7402 human hepatocellular carcinoma cells, and KB human nasopharyngeal carcinoma cells, etc., and has application prospects in the aspect of anti-tumor activity. (formula I).

The present invention relates to a nanobody GN2 composed of a variable region of a heavy chain antibody; and the variable region of the heavy chain antibody comprises an epitope complementary region selected from a group consisting of CDR1, CDR2 and CDR3 and homologous sequences of the CDR1, CDR2 and CDR3 and a skeleton region selected from a group consisting of FR1, FR2, FR3 and FR4 and homologous sequences of the FR1, FR2, FR3 and FR4. The present invention also relates to a preparation method and an application of the nanobody GN2. The nanobody GN2 can specifically bind to hepatocarcinoma cells that highly express GPC3 protein, inhibits hepatocarcinoma cell proliferation, and is small in molecular weight, stable in structure, good in heat resistance, high in affinity, easy for storage and transportation, weak in immunogenicity to human body, also strong in tumor tissue penetrating power, liable to express and genetically engineered, and particularly suitable for use as a diagnosticreagent or a therapeutic antibody. The method can retain more antigen epitopes, and is high in carrier quality, good in an enzyme digestion effect, high in connection efficiency, low in self-connection efficiency and also low in cost.

The invention discloses a replicative HBV (Hepatitis B Virus) vector carrying a foreign gene and a recombinant HBV generated after transfection and a corresponding preparation method and an application. The vector separates overlaying genes C and P on an HBV genome by a molecular cloning technique based on originally expressed HBV plasmid to respectively form an integral opened reading frame where a protein translation starting sequence or a protease enzyme cutting site is inserted to respectively guide expression of foreign gene and gene P. The replicative HBV vector carrying the foreign gene transiently transfecting hepatoma carcinoma cell secretes the recombinant HBV. The recombinant HBV prepared from the HBV vector transfection cells provided by the invention can express the foreign gene and maintain the replicative and infecting capacity. The invention is suitable for constructing an HBV chronic infection animal model, an HBV cell model with cccDNA stably and automatically replicated and a traceable HBV strain, researching a molecular mechanism of HBV infection, replication, packaging and the like, and screening anti-HBV novel medicines.

The invention discloses a system used for predicting prognosis of a liver cancer patient. The system comprises a system for detecting expression quantities of four proteins c-Met, Caspase8, CXCR4 andP-P21, and a protein expression quantity data processing system. The system for detecting the expression quantities of the four proteins measures the expression quantities of the proteins through an immunohistochemistry staining method; and the protein expression quantity data processing system converts the expression quantities of the four proteins in a para-carcinoma tissue of the to-be-predicted liver cancer patient into prognosis score values, and predicts the prognosis of the liver cancer patient according to the prognosis score values.

The invention belongs to the technical field of clinical medical diagnosis and relates to a screening method of early-stage liver cancer diagnosis markers for people with liver cirrhosis and hepatitis. The screening method of the early-stage liver cancer diagnosis markers for people with liver cirrhosis and hepatitis liver cirrhosis and hepatitis comprises the following steps of: S1, acquiring data, specifically, collecting a target plasma sample and detecting metabolites in the plasma sample; S2, constructing a discrimination model used for distinguishing people with liver cirrhosis from patients with the primary liver cancer and distinguishing people with the hepatitis from patients with the primary liver cancer; S3, screening markers; and S4, verifying diagnosis capability. According to the screening method of early-stage liver cancer diagnosis markers for people with liver cirrhosis and hepatitis, a high performance liquid chromatography-mass spectrometry system is utilized to obtain the metabolic profiles of blood plasma of patients with liver cirrhosis, hepatitis and hepatocellular carcinoma, a potential tumor metabolic marker group is found, and a diagnosis model is constructed and is used for assisting early diagnosis of tumors of groups with high risk of liver cancer.

The invention provides a lactobacillus plantarum BUFX (Lactobacillus plantarum) and application thereof in metabolic syndrome, which relate to the technical field of microorganisms and application of the microorganisms. The strain is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.22172. The lactobacillus plantarum is separated and screened from feces of adults, can promote glucose consumption of HepG2 hepatoma carcinoma cells, inhibits alpha-amylase activity, can remarkably reduce the weight and blood fat content of high-fat diet mice, improves glucose tolerance, and has important application significance for preventing or treating metabolic diseases such as diabetes, obesity and the like.

The present application provides a pharmaceutical composition for use in inhibiting recurrence, aggravation or metastasis of liver cancer, in which the pharmaceutical composition comprises at least one compound having a structure of formula (I) and a pharmaceutically acceptable vehicle.

The invention relates to Cu-Eu exotic-metal-substituted arsenotungstate which has a chemical formula as follows: Na2K3.5Eu0.5[Eu(H2O)7][As2W19Cu2O67(H2O)3].22H2O. A compound is prepared by reacting EuCl3, CuCl2.2H2O, NaCl and an arsenotungstate precursor-K14[As2W19O67(H2O)] in an aqueous solution. A preparation method is simple, easy to operate and relatively low in cost. Tests discover that the compound has a remarkable inhibition effect on the growth of human hepatocarcinoma cells HepG2 and human colonic cancer cells HCT-116 and can be used for preparing drugs for resisting cancers, especially liver cancers and colonic cancers, and research results provide an experimental basis for application of the compound to an aspect of drug activity.

The invention relates to a Chinese medicine for treating primary carcinoma of the liver. By the Chinese medicine, the problems about preparation of a medicament for treating primary carcinoma of the liver, improvement on curative effects and treatment for primary carcinoma of the liver are effectively solved. The technical scheme for solving the problems is that: the Chinese medicine is prepared by mixing raw materials such as 10 to 30g of musk, 25 to 50g of bezoar, 30 to 60g of thunberg fritillary bulb, 30 to 60g of pangolin, 20 to 50g of ginseng, 25 to 60g of American ginseng, 35 to 55g of notoginseng root and 30 to 60g of rhizome corydalis and grinding into powder and can be prepared into capsules or powder or pills by the conventional method. The Chinese medicine has a scientific and reasonable formula, and is easy to prepare, low in cost, good in curative effects and convenient to take, and is an innovation in medicines.

The invention provides 2, 3, 5, 7-tetrasubstituted dihydro-pyrazolo piperidine derivative and a preparation method and application thereof. The derivative is 2, 3-bis(substituted phenyl)-5-subsituted arylmethyl-7-substituted benzylidene dihydro-pyrazolo piperidine derivative, having the following formula (I). The preparation method includes using substituted arylmethyl amine and methyl acrylate as raw materials; subjecting the materials to Michael addition, Dieckmann condensation and hydrolysis-decarboxylation sequentially; allowing for Aldol reaction with substituted benzaldehyde to obtain intermediate N-substituted arylmethyl-3, 5-bis(substituted benzylidene)-4-piperidone; allowing for condensation with substituted phenylhydrazine to obtain a compound according to the formula (I). The derivative is efficient in inhibiting multiplication of various carcinoma cell lines such as leukemia, esophagus cancer, ovarian cancer and breast cancer in human, is well stably metabolic in liver microsomes of human and rat, is free of direct and competitive inhibition on five enzymes of liver microsomes, such as CYP3A4, CYP2D6, CYP2C9, CYP1A2 and CYP2C19, is highly bioavailable, is low in toxicity to normal cells, and is available for the preparation of drugs for the cancers.

The invention discloses a human hepatocellular carcinoma cell line, and an establishing method and application thereof. The human hepatocellular carcinoma cell line is preserved in China Center for Type Culture Collection with an accession number of CCTCC No: C201114. The establishing method comprises the following steps: 1) acquiring a fresh clinical liver cancer excision specimen, cutting the specimen into small blocks with sizes in a range of 20 to 50 mg and inoculating mammals with the small blocks; and 2) in 70 to 90 d after inoculation, killing tumor-bearing mammals, taking out tumor tissue and carrying out primary culture and subculturing of cancer cells. The human hepatocellular carcinoma cell line provided by the invention has stable properties and tumorigenicity, can realize stable several passages and successful preparation of a liver cancer animal model, can be used for analyzing in-vivo and in-vitro drug susceptibility so as to further realize establishment of mutually-related in-vivo and in-vitro drug screening platforms, and is an ideal human primary hepatic carcinoma cell line applied to fundamental research and preclinical application.

The invention discloses a chromone skeleton-containing polycyclic compound as well as a preparation method and application thereof. The preparation method comprises the following steps: with 3-iodochromone compounds and norbornene as building blocks and palladium acetate as a catalyst, carrying out a [2 + 2 + 1] domino cycloaddition reaction with benzyl bromide compounds in an organic solvent to obtain a series of polycyclic compounds containing chromone skeletons, wherein diastereostereoselective change of the product is realized by adjusting the solvent. The chromone skeleton-containing polycyclic compound contains a chromone skeleton with potential biological activity, can provide a compound source for biological activity screening, and has important application value for drug screeningand pharmaceutical industry. Meanwhile, tumor growth inhibition activity screening is carried out on human non-small cell lung cancer cells (A549) and human hepatoma carcinoma cells (HepG2) of two tumor cell strains by the compound, and the compound is found to have certain tumor cell growth inhibition activity and can be applied to preparation of anti-tumor drugs.

The invention discloses compounds represented by a general formula (I) shown in the description, wherein in the formula (I), A and B are respectively a six-membered cyclic compound containing D1, D2,D3 and D4 and a six-membered cyclic compound containing D5, D6, D7 and D8. The invention also disclose an indoleamine-2,3-dioxygenase and / or tryptophan-2,3-dioxygenase inhibitor containing the above compounds and the application of the compounds in preparation of medicaments for treating cancers. The compounds provided by the invention can effectively inhibit cell proliferation, and have good therapeutic effects on various diseases such as the cancers, significant therapeutic effects on breast cancer, cervical cancer, colon cancer, lung cancer, stomach cancer, rectal cancer, pancreatic cancer,brain cancer, skin cancer, oral cancer, prostate cancer, bone cancer, kidney cancer, ovarian cancer, bladder cancer, liver cancer, fallopian tube tumors, ovarian tumors, peritoneal tumors, stage IV melanoma, glioma, neuroblastoma, hepatocellular carcinoma, mastoid renal tumors, head and neck tumors, leukemia, lymphoma, myeloma and non-small cell lung cancers, and very broad application prospects.

The present invention relates to methods and biomarkers (e.g., epigenetic biomarkers) for detection of gastrointestinal cancers (e.g., colorectal cancer, gastric cancer, pancreatic cancer, liver cancer, cancer of the gall bladder and / or bile ducts (e.g., cholangiocarcinoma)) in biological samples (e.g., tissue samples, stool samples, blood samples, plasma samples, cell samples, gall samples, bile samples, serum samples).

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 discloses a semen lepidii anti-tumor effective component, a preparation method of the semen lepidii anti-tumor effective component and an application of the semen lepidii anti-tumor effective component in the field of anti-tumor. The preparation method comprises the following steps of: extracting semen lepidii (roasted) with water; and extracting with ethyl acetate and water saturated n-butyl alcohol sequentially; collecting water saturated n-butyl alcohol extract; separating with a silica (200 to 300 meshes) column; and performing gradient elution with dichloromethane-methanol in different proportions, wherein the dichloromethane-methanol (5:1) elution part is a semen lepidii anti-tumor effective part. The part has a remarkable effect of inhibiting U251 (glioma cell line), HepG2 (human hepatoma cell line), SGC (human gastric carcinoma cell), mcf-7 (human breast cancer cell) and SCLC (lung carcinoma cell), and can be used for preparing an anti-tumor medicament.

The invention provides a biomarker in diagnosis of liver cancer and application of the biomarker in diagnosis of liver cancer in production of a diagnostic reagent of liver cancer. It is found throughresearch that overexpression of RPS3 can promote liver cancer cell proliferation, clone formation, migration, invasion and the transformation capability of epithelial cells into mesenchymal cells, and on the contrary, knock-down of RPS3 can inhibit liver cancer cell proliferation, clone formation, migration, invasion and the transformation capability of epithelial cells into mesenchymal cells; after a liver cancer cell strain with knock-down RPS3 is subcutaneously injected into nude mice, the tumorigenicity is reduced; it is also found in people that compared with expression of RPS3 in para-carcinoma tissue, expression of RPS3 in liver cancer tissue is high, and high expression of the RPS3 affects the prognosis survival rate of patients to a certain extent; and on the basis, the biomarkerin diagnosis of liver cancer and application of the biomarker in diagnosis of liver cancer in production of the diagnostic reagent of liver cancer are provided. The biomarker is a RPS3 gene, mRNA ofthe RPS3 gene, or protein or a protein fragment encoded by the RPS3 gene, and the biomarker can be used as a medicine target for screening liver cancer medicines.