56 results about "Urothelial carcinoma" patented technology

The invention belongs to the field of biological fluid detection in vitro, and concretely relates to a urine exfoliated tumor cell micro-fluidic chip detection technology aiming at urothelium carcinoma. The micro-fluidic chip comprises a sample inlet, a cell capturing area and a sample outlet which are connected sequentially, wherein the cell capturing area is provided with a plurality of cell sorting devices; each cell sorting device is formed by three columnar bulges arranged in an arc shape; a gap exists between every two columnar bulges; an arc-shaped opening is used as a liquid flow inlet; gaps at two sides of each middle columnar bulge are used as liquid flow outlets which are symmetrically distributed. According to the urine exfoliated tumor cell micro-fluidic chip detection technology provided by the invention, various cells in urine are separated and captured, multiple downstream cytology staining methods can be compatible for realizing cell recognition, the detection accuracy of urine exfoliated tumor cells in human urine is improved, the dependency on subjective experiences of pathology doctors in a conventional method is avoided, and the whole process is noninvasive. In addition, a lossless cell capturing and recovering manner lays a foundation on downstream molecular biology analysis.

The present invention provides a method of treating cancer in a patient (e.g., a human patient) in need thereof, the method comprising administering a therapeutically effective regimen, the regimen comprising administering to a patient in need thereof a compound that targets 67 laminin receptor (67LR). In a particular embodiment, the compound that targets 67LR is an antibody or antibody fragment. In particular, the present invention provides a method of treating cancer comprising administering to a patient in need thereof an antibody that binds to 67LR. The present invention also provides a method of treating cancer comprising administering to a patient in need thereof an antibody conjugate, wherein the antibody conjugate comprises an antibody that binds to 67LR linked to a therapeutic agent, a protein toxin, a cytotoxic agent or other moiety. The present invention provides pharmaceutical compositions for the treatment of cancer comprising an antibody that binds to 67LR in an amount effective to reduce cancer stem cells and/or cancer cells in a patient. The invention also provides for means to detect and monitor cancer stem cells based on their expression of 67LR.

This invention relates to a method for detecting urothelial carcinoma using an antibody that specifically reacts with a calreticulin protein or a fragment thereof and immunoassaying a calreticulin protein in a sample.

The invention provides a new human urothelial carcinoma tumor marker-human tumor necrosis factor receptor superfamily TNFRSF25 and a hybridoma cell generating a monoclonal antibody resisting the tumor marker and a monoclonal antibody DTUC1 secreted thereby, wherein the monoclonal antibody DTUC1 is secreted by the hybridoma with collection number CGMCC No.8118. The monoclonal antibody DTUC1 is in positive reaction with the human urothelial carcinoma tissue and urothelial carcinoma cell lines such as 5637, UMUC3, SW780, J82, T24 and RT4, and is not in cross reaction with the human normal urothelium tissue and other non-urothelial carcinoma cells; according to mass spectrometric detection, the identified antigen is TNFRSF25. The invention also provides an in-vitro diagnosis kit comprising the monoclonal antibody DTUC1 and a method for detecting the content of tumor markers in urine by use of the monoclonal antibody DTUC1.

The invention discloses application of a bladder urothelium carcinoma detection combined marker, and belongs to the technical field of molecular medicine. The bladder urothelium carcinoma detection combined marker comprises the following gene combinations: TERT, TP53, FGFR3, PIK3CA and ARID1A. According to the invention, it is found for the first time that a combination of five genes of TERT, TP53, FGFR3, PIK3CA and ARID1A can accurately diagnose bladder urothelial carcinoma. Compared with an original method, the method has the advantages that the five core gene detection combinations reduce the sequencing workload by 40 times, and good diagnostic performance is maintained.

The invention relates to the field of tumor grading detection, in particular to a gene combination for human tumor grading and application of the gene combination. The gene combination for human tumor grading is composed of a gene set A, a gene fragment set B and a gene fragment set C. The gene combination for human tumor grading is obtained from high-throughput sequencing data of actual urinary tract epithelial cancer cases of Peking University First Hospital through specific pairing clustering analysis, the data from the real data have higher reliability and credibility, and malignant degree grading and prognosis prediction can be accurately carried out on urinary tract epithelial cancer and pan-cancer.

Provided are methods of treating bladder cancer (e.g., urothelial carcinoma, UC) in a subject having bladder cancer, e.g., UC, with an effective dose regimen of an anti-PD-L1 antibody, e.g., durvalumab, or an antigen binding fragment thereof. Also provided are methods in which an anti-PD-L1 antibody is used in combination with another immunotherapeutic agent, e.g., tremelimumab to treat a bladder cancer, e.g., UC, in a subject having bladder cancer. In some cases, the subject undergoing treatment is identified as having a bladder cancer or tumor that is PD-L1-low/neg, or PD-L1-high. Methods are also provided in which anti-PD-L1 antibody treatment of bladder cancer is used following a standard of care or first-line therapy in subjects who have progressed following such therapies or who have relapsed after a prior treatment regimen.

The invention provides methods for detecting a cellular proliferative disorder (e.g., urothelial cancer) in a subject by assessing the methylation status of the CCND2, CCNA1 or CALCA promoter in a nucleic acid sample. The methods of the invention are useful for diagnostic, prognostic as well therapeutic regimen predictions.

The invention discloses a kit for detecting urothelial carcinoma by identifying UMOD-modified Neu5Gc in urine based on LIP, and the kit comprises a capture reagent, a detection buffer solution and test paper, wherein the capture reagent is biotinylated coupled lamprey immune protein LIP; the detection buffer solution is prepared from 50mM of Tris-base, 0.15M of NaCl, 0.01% of Tween-20 and 7.5% of BSA; the test paper is provided with a bottom plate, a sample adding pad, a fluorescent microsphere coupling release pad, a nitrocellulose membrane and a water absorption pad are sequentially and fixedly connected to the bottom plate from left to right in a step shape, and the fluorescent microsphere coupling release pad is prepared by spraying coupling liquid of europium fluorescent nanoparticles, streptavidin SA and rabbit IgG on polyester fibers; the nitrocellulose membrane is sequentially provided with a detection band formed by UMOD monoclonal antibodies and a reference band formed by goat anti-rabbit IgG from left to right.

The invention discloses a marker combination and a kit for detecting tumor cells in a body fluid sample. The marker combination comprises TERT and CD45, and further comprises CK and a cell nucleus dye. The marker combination can be used for detecting tumor cells in a body fluid sample. The kit provided by the invention comprises the target composition, a red blood cell lysis reagent and a target cell enrichment reagent. The invention provides a group of novel tumor cell recognition markers TERT+/CK+/CD45-/DAPI+, wherein TERT is telomerase reverse transcriptase. The method has the advantages that firstly, the detection sensitivity and specificity can be obviously improved; d ansecondly, tumor cells derived from epithelium can be detected. For a patient with urothelial carcinoma, tumor cells and normal cells cannot be distinguished by using a traditional EpCAM+/CK+/CD45-/DAPI+ detection method, and the tumor cells and the normal cells can be obviously distinguished by using the TERT+/CK+/CD45-/DAPI+ detection method.

The invention discloses a method for culturing upper urinary tract urothelial cell carcinoma organoids. The method comprises the following steps: placing small upper urinary tract urothelial cell carcinoma tissue blocks in an inhibitor containing type II collagenase for first digestion treatment to obtain a first digest; placing the first digest in a pancreatin substitute containing an inhibitor, and performing second digestion treatment to obtain a second digest; sequentially performing first neutralization treatment, filtering treatment and centrifugal treatment on the second digest to obtain single cell precipitate; placing the single cell precipitate in a mixed substrate of a preset culture medium and substrate glue for resuspension treatment to obtain a gel suspension containing all cells; and culturing the gel suspension according to a preset scheme to obtain the upper urinary tract urothelial cell carcinoma organoids. According to the scheme, reliable clinical data can be provided for use of chemotherapeutic drugs and personalized treatment of upper urinary tract urothelial cell tumors.

Diagnostic assays for medically classifying cancer patients are provided. The method comprises assessing a tissue sample of the patient for the presence of a copy number gain of chromosome regions 1q23.3 and/or 1q21.2. Copy number gain of chromosome regions 1q23.3 and/or 1q21.2 is indicative of a less favorable prognosis as compared to the prognosis if there was no copy number gain in the same regions.

What is disclosed in the invention is a preparation method of a supercritical Cinnamomum subavenium extract, which is made from the material, the dried stem of C. subavenium. The extract is obtained by extracting C. subavenium which is pulverized as particles with supercritical carbon dioxide fluid. The C. subavenium extract or its active ingredient, subamolide A, can be used to inhibit the growth of human urothelial carcinoma cell lines. In addition, the C. subavenium extract (or subamolide A) is able to synergistically inhibit the growth of human urothelial carcinoma cell lines with cisplatin (CDDP) or gemcitabine (Gem). Therefore, the C. subavenium extract (or subamolide A) can be an anticancer drug alone, or forms a pharmaceutical composition with CDDP (or Gem) to treat with cancers in respect of urinary system.

The present invention relates to therapeutic ADCs comprising SN-38 attached to an anti-Trop-2 antibody or antigen-binding antibody fragment. The ADC may be administered at a dosage of between 4 mg/kg and 18 mg/kg, preferably 4, 6, 8, 9, 10, 12, 16 or 18 mg/kg, most preferably 8 to 10 mg/kg. When administered at specified dosages and schedules, the ADC can reduce solid tumors in size, reduce or eliminate metastases and is effective to treat cancers resistant to standard therapies, such as radiation therapy, chemotherapy or immunotherapy. Preferably, the ADC is administered in combination with one or more other therapeutic agents, such as a PARP inhibitor, a microtubule inhibitor, a Bruton kinase inhibitor or a PI3K inhibitor. Most preferably, the ADC is of use for treating a Trop-2 expressing cancer, such as metastatic urothelial cancer.

Compositions, methods, and uses of de novo pyrimidine synthesis pathway element, CAD, and optionally a second gene in a nucleotide excision repair pathway, POLD2 in determining a predicted survival rate, predicted responsiveness to a cisplatin-based chemotherapy of a patient diagnosed with bladder urothelial carcinoma are provided.