116 results about "Hematological Tumor" patented technology

The present invention discloses combined therapies for treating hematologic malignancies, including B cell lymphomas and leukemias or solid non-hematologic tumors, comprising administration of anti-cytokine antibodies or antagonists to inhibit the activity of cytokines which play a role in perpetuating the activation of B cells. The administration of such antibodies and antagonists, particularly anti-IL10 antibodies and antagonists, is particularly useful for avoiding or decreasing the resistance of hematologic malignant cells or solid tumor cells to chemotherapeutic agents and anti-CD20 or anti-CD22 antibodies. The invention also provides combination therapies for solid tumors having B cell involvement comprising the administration of an anti-cytokine antibody and a B cell depleting antibody such as RITUXAN(R).

The present invention relates to peptides, nucleic acids and cells for use in immunotherapeutic methods. In particular, the present invention relates to the immunotherapy of cancer. The present invention furthermore relates to tumor-associated cytotoxic T cell (CTL) peptide epitopes, alone or in combination with other tumor-associated peptides that serve as active pharmaceutical ingredients of vaccine compositions that stimulate anti-tumor immune responses. The present invention relates to several novel peptide sequences and their variants derived from HLA class I and HLA class II molecules of human tumor cells that can be used in vaccine compositions for eliciting anti-tumor immune responses.

Disclosed is a therapeutic method comprising administering a TIM-3 antibody to a subject who is suspected to be suffering from blood tumor and in whom TIM-3 has been expressed in a Lin(−)CD34(+)CD38(−) cell fraction of bone marrow or peripheral blood or a subject who has been received any treatment for blood tumor. Also disclosed is a composition for preventing or treating blood tumor, which comprises a TIM-3 antibody as an active ingredient. Conceived diseases include those diseases which can be treated through the binding or targeting of the TIM-3 antibody to blood tumor cells (AML cells, CML cells, MDS cells, ALL cells, CLL cells, multiple myeloma cells, etc.), helper T cell (e.g., Th1 cells, Th17 cells), and antigen-presenting cells (e.g., dendritic cells, monocytes, macrophages, and cells resembling to the aforementioned cells (hepatic stellate cells, osteoclasts, microglial cells, intraepidermal macrophages, dust cells (alveolar macrophages), etc)), all of which are capable of expressing TIM-3. The diseases for which the therapeutic use is to be examined include blood diseases in which the expression of TIM-3 is observed in bone marrow or peripheral blood, particularly blood tumor.

The present invention provides therapeutic, diagnostic, and prognostic methods for cancer. The invention provides methods of treating a cancer, methods of determining whether an individual having a cancer is likely to respond to a treatment including an immune checkpoint inhibitor (e.g., a PD-L1 axis binding antagonist), methods of predicting responsiveness of an individual having a cancer to a treatment including an immune checkpoint inhibitor (e.g., a PD-L1 axis binding antagonist), methods of selecting a therapy for an individual having a cancer, methods of providing a prognosis for an individual having a cancer, and methods of monitoring a response of an individual having a cancer, based on a blood tumor mutational burden (bTMB) score or a maximum somatic allele frequency (MSAF) from a sample (e.g., a whole blood sample, a plasma sample, a serum sample, or a combination thereof) from the individual.

The invention discloses a novel CAR (Chimeric Antigen Receptor) and application of novel CAR modified T cells for treating cancer. The novel CAR is formed by an extracellular signal peptide, an antigen binding structural domain, an intracellular first conduction structural domain and an intracellular second conduction structural domain, and contains an intracellular first conduction structural domain NKp44 or an intracellular first conduction structural domain TREM1. According to the novel CAR disclosed by the invention, multiple CAR nucleotide sequences are separated and purified, and the CARand CAR-T cells which specifically aims at CD19 malignant hematologic tumor and mesothelin malignant solid tumor antigens. In a hematologic tumor and solid tumor killing test, the killing capacity ofthe CAR-T cells to tumor cells is obviously enhanced, and good safety and good anti-tumor activity in clinic application are expressed.

The invention discloses an ROR1 specific chimeric antigen receptor and an application thereof. The ROR1 specific chimeric antigen receptor is a protein formed through serially connecting scFv of anti-human ROR1, the hinge region and the transmembrane region of CD8alpha, the transmembrane region and the intracellular region of CD28 and the intracellular region of CD3zeta from the amino end to the carboxyl end. T cells modified with the chimeric antigen receptor have a specific killing effect on tumor cells, and are expected to be in widely used in treatment of all kinds of solid tumor and blood tumors.

Multiple myeloma and other hematologic tumors and / or malignancies can be treated by administration of a G1 and / or S phase drug, which is preferably β-lapachone, or a derivative or analog thereof, combined with a G2 / M phase drug such as a taxane derivative, which is advantageously paclitaxel. This combination of the G1 and / or S phase drug with the G2 / M phase drug results in an unexpectedly greater than additive (i.e., synergistic) apoptosis in multiple myeloma cells. The invention includes methods of treating multiple myeloma by administering the combination of the G1 and / or S phase drug and the G2 / M phase drug, pharmaceutical compositions comprising the combination of drugs used in these methods, as well as pharmaceutical kits.

The invention discloses a human interleukin 2-polyethylene glycol conjugate as well as a preparation method and an application thereof. The human interleukin 2-polyethylene glycol conjugate comprisesrecombinant human interleukin 2 of at least one non-natural amino acid and PEG coupled to the at least one non-natural amino acid, the position of the at least one non-natural amino acid is selected from one or more sites of L36, M39, L40, M46, P47, L63, L66, E67, L70 and A73 corresponding to SEQ ID NO: 2, wherein the recombinant human interleukin 2 is a protein as shown in SEQ ID NO: 3 or a functional active fragment thereof. The human interleukin 2-polyethylene glycol conjugate provided by the invention can be used as a single drug or combined with an anti-tumor drug, and is used for treating solid tumors or blood tumors.

The invention provides berbamine citrate. Berbamine free alkali is taken as a raw material, and edible strong organic acid is applied to substitute the prior commonly-used inorganic acid to perform a salt-forming reaction according to certain proportion at room temperature to obtain the berbamine citrate. The berbamine citrate has remarkable killing effect on various hematological tumor cells cultured in vitro such as human leukemia, multiple myeloma, lymphoma and so on, and also has remarkable inhibition effect on the growth of human hematological tumor cells in the bodies of nude mice, but the berbamine citrate with the same concentration has no remarkable effect on the cell growth of normal persons and has no remarkable toxic side effect on the nude rice; and the berbamine citrate can form a pharmaceutical composition with other optional known anti-tumor medicines with one or more therapeutically effective amounts to achieve the synergistic effect. Therefore, the berbamine citrate can be applied to the preparation of medicines for treating hematological tumor diseases.

The invention discloses application of an engineered T cell with an immune receptor for treatment of cancer. A chimeric antigen receptor consists of an extracellular signal peptide, an antigen bindingstructural domain, a first intracellular conduction structural domain and a second intracellular conduction structural domain and comprises the first intracellular conduction structural domain in theform of the immune receptor. The invention provides a plurality of amino acid sequences of the chimeric antigen receptor and provides the chimeric antigen receptor specific for CD19 malignant hematological tumors and CAR-T cells. In a blood tumor killing test, the ability of the CAR-T cells to kill tumor cells is significantly improved, and high safety and high antitumor activity are shown in clinical application.

The present invention provides an antibody to human IL-3Rα chain, which does not inhibit IL-3 signaling and binds to B domain of the human IL-3Rα chain but does not bind to C domain of the human IL-3Rα chain; a composition for preventing or treating a blood tumor in which a cell expressing IL-3Rα is found in bone marrow or peripheral blood of a subject, which comprises the antibody to human IL-3Rα as an active ingredient; and a method for treating a blood tumor in which a cell expressing IL-3Rα is found in bone marrow or peripheral blood, which comprises administering, to a subject, a composition comprising the IL-3Rα antibody as an active ingredient.

The present invention relates to a new medical use of fenretinide or bioactive derivatives thereof, particularly to the use of fenretinide or bioactive derivatives thereof in the preparation of a medicament for eliminating or killing tumor stem cells in a subject or for treating and / or preventing a tumor disease originating from tumor stem cells in a subject. The invention further relates to a new use of fenretinide or bioactive derivatives thereof in combination with other anti-tumor agents, a pharmaceutical composition comprising said fenretinide or bioactive derivatives thereof and at least one additional anti-tumor agent, a method of screening said other anti-tumor agent, a method of eliminating or killing tumor stem cells or particularly hematologic tumor stem cells in a subject by administrating said fenretinide or bioactive derivatives thereof, as well as a method of eliminating or killing tumor stem cells and tumor cells derived from tumor stem cells, particularly hematologic tumor stem cells and hematologic tumor cells derived from hematologic tumor stem cells in a subject by administrating said fenretinide or bioactive derivatives thereof in combination with other anti-tumor agent(s).

The present invention provides a nucleic acid molecule encoding a chimeric antigen receptor targeting CD5, the chimeric antigen receptor comprises an extracellular domain, a transmembrane domain and an intracellular signal transduction domain, and the extracellular domain encoded by the chimeric antigen receptor comprises a CD5 binding domain which is an amino acid sequence as shown in SEQ ID NO:3. The chimeric antigen receptor comprises an extracellular domain, a transmembrane domain and an intracellular signal transduction domain, and the extracellular domain encoded by the chimeric antigenreceptor comprises a CD5 binding domain which is an amino acid sequence shown in SEQ ID NO:3. The cytokines secreted by NK cells were detected by flow cytometry, degranulation assay and ELISA. The results showed that the CD5 CAR NK cells had strong cytotoxic effect on hematological tumor cells expressing CD5, but had weak cytotoxic effect on cells not expressing CD5. The cytokines secreted by CD5CAR NK cells could effectively prevent the missed target effect. A chimeric antigen receptor CD5 scFv-CD8[alpha]-4-1BB-CD 3 Xi can be used in the treatment of lymphocytic hematologic tumors with positive CD 5.

Method and device for the in vitro analysis of mRNA of genes involved in hematological neoplasias. The device, composed of probes which specifically hybridize with genes involved in hematological neoplasias, designed so that its behaviour in the hybridization is similar, permits the evaluation of the mRNA level in biological samples taken from subjects suspected to be suffering from hematological neoplasia and facilitating the comparison between the different samples and their grouping by similarity in the gene expression patterns, especially when the probes are disposed in the form of microarray. The application of the method of the invention to obtain and process data of gene expression differences from the device of the invention permits the identification of genes significant for distinguishing samples associated to hematological neoplasias, facilitates the diagnosis of neoplasias as CLL and permits making a prognosis of the evolution thereof.

The invention relates to a blood-based tumor mutation burden (bTMB) biomarker, and an measuring method and uses thereof. The bTMB biomarker is obtained from the following steps that cell-free DNA (cfDNA) is obtained from a blood sample of a subject, the number of somatic mutations on sequencing bases is measured, the number of somatic mutations of low allele abundance is taken as the bTMB biomarker and expressed as LAF-bTMB, wherein the low allele abundance means that the allele frequency is less than, for example, 25%, 24%, 23%, 22%, 21%, 20%, 19%, 18%, 17%, 16%, 15%, 14%, 13%, 12%, 11%, 10%,9%, 8%, 7%, 6%, 5%, 4 %, 3%, 2%, 1%, for example, between 0.3% to 25%, preferably less than, for example, 13%, 12%, 11%, 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, 1%, for example, between 0.5% to 13%, andparticularly preferably less than 6.5%, 6%, 5.5%, 5%, 4.5%, 4 %, 3.5%, 3%, 2.5%, and the LAF-bTMB is calculated according to the total number of mutations in a sample measuring area.

The present invention relates to cell cycle-dependent kinase (CDKs) degradation agents shown as a general formula (I), and / or pharmaceutically acceptable salts thereof, pharmaceutical compositions thereof, and use of the derivatives, as pharmaceutically active agents, in medicines for preventing and / or treating diseases related to abnormal activity of CDKs. The compounds have good cell proliferation inhibiting effect on both solid tumors and hematological tumors, indicating that the compounds have potentials to treat related cancers and autoimmune diseases.

The invention discloses a construction method and an application of a recombinant gene of a bispecific chimeric antigen receptor for treating HIV infection complicated with blood tumor. The chimeric antigen receptor is formed by sequentially connecting a signal peptide, an HIV gp120 antigen specific single-chain antibody and an anti-CD19 single-chain antibody and then sequentially connecting witha CD28 transmembrane region, a CD28 intracellular structural domain (ICD), a 4-1BB costimulatory structural domain and a CD3zeta intracellular signal transduction structural domain in series, or the chimeric antigen receptor comprises: first CAR composed of the signal peptide, the chimeric antigen receptor, the HIV gp120 antigen specific single-chain antibody, the CD28 transmembrane region, the CD28-ICD, the anti-CD19 single-chain antibody, the CD8 transmembrane region, the CD28-ICD, the 4-1BB costimulatory structural domain and the CD3zeta intracellular signal transduction domain; and secondCAR composed of and the signal peptide, the anti-CD19 single-chain antibody, the CD8 transmembrane region in parallel, connecting the CD28-ICD, the 4-1BB costimulatory structural domain and the CD3zeta intracellular signal transduction domain, wherein the first CAR and the second CAR are sequentially connected in parallel.

The present invention provides an application of a zkscan3 gene or a protein modifier thereof in tumor therapy and particularly relates to a use of an inhibitor of the ZKSCAN3. The inhibitor of the ZKSCAN3 is used for preparation of a pharmaceutical composition promoting plasmocyte differentiation and proliferation, and / or treating tumors. The application provides a theoretical reference for a treatment strategy of selective knocking-out of the ZKSCAN3 in hematological tumors clinically, and has great significance for the clinical treatment of the hematological tumors targeting the ZKSCAN3.

The present invention discloses a MED12 gene mutation detecting kit and an application thereof. The kit comprises probe sets for detecting MED12 gene mutations and the probe sets consist of a probe 1to a probe 48. The kit can be used for detecting MED12 somatic mutations and germline mutations at a tumor genome level, can also be used for assistant diagnosis and minimal residual disease monitoring and prognosis evaluation, etc. of patients with hematological tumors, especially patients with acute myeloid leukemia. Besides, the kit is simple, sensitive and accurate in detection method and plays an important role in the field of medical detection

The invention relates to a manipulated professional antigen presenting cell (APC) having increased expression of a CD1 type II molecule, preferably at least a CD1d molecule, relative to a control non manipulated cell. The invention further relates to the use of PPARg modulators in the preparation of a pharmaceutical composition or kit for the treatment of a disease treatable by activation of CD1d restricted T-cells, e.g. in autoimmune diseases, allergies, post-transplant conditions or infectious diseases, or in the treatment of a neoplastic disease, e.g. skin cancer, hematological tumors, colorectal carcinoma, and therapeutic compositions and kits therefor. Furthermore, the invention relates to methods of manipulating professional APCs and kits therefor.

The invention relates to the technical field of abdominal cavity drainage tube indwelling, and discloses abdominal cavity drainage tube indwelling equipment for hematologic tumor caring. The abdominalcavity drainage tube indwelling equipment comprises a box body, clamping pieces are movably connected to the two side walls in the box body correspondingly, pushing rods are slidably connected to theend, away from the box body, of the clamping pieces, piston blocks are slidably connected to the surfaces of the pushing rods, spring rods are movably connected to the ends, away from the pushing rods, of the piston blocks, an airflow groove is formed in the box body, and a drainage tube is fixedly connected to the end, away from the box body, of the airflow groove. When liquid flow exists on thesurface of a load bearing net, the generated pressure is the same as elastic force for overcoming shrinkage of the spring rods; when the drainage tube is blocked, the liquid flow cannot reach the surface of the load bearing net, thus the load bearing net does not provide force for overcoming shrinkage of the spring rods any more, the spring rods pull the piston blocks to shrink inwards, an air block belt is attracted to move under clamping of a limiting piece in the direction away from a fixing bag, released gas directly enters the drainage tube, and thus the effect that dredging can be conducted immediately when blockage occurs is achieved.

The invention discloses an antibody composition for detecting multiple myeloma minimal residual diseases, a kit and application, and belongs to the technical field of blood tumor treatment effect monitoring. According to the novel flow antibody combination scheme capable of being used for MRD monitoring of myeloma patients disclosed by the invention, CD319 or CD269 and other seven antibodies (CD138 / CD38 / CD184 / CD27 / CD19 / CD56 / ckappa / clamda) are combined to form a fixed combination of two groups of antibodies; through verification of 303 cases of myeloma patients, the antibody combination is feasible, accurate, convenient and fast, can be used for MRD monitoring after conventional chemotherapeutic drug treatment, and provides a good solution for the problem that MRD monitoring is difficult after DARA treatment.

The invention relates to the technical field of cerebrospinal fluid extraction for hematologic tumor patients, and discloses a cerebrospinal fluid extraction device for hematologic tumor patients. Thedevice comprises a strap, a flexible strap is movably connected to the surface of the strap, a positioning block is movably connected to the surface of the flexible strap, a clamping box is movably connected to the end, away from the strap, of the flexible strap through a connecting rod, a clamping ring is movably connected to the interior of the clamping box, an air bag is fixedly connected to the interior of the clamping ring, and a vent pipe is fixedly connected to the surface of the air bag. The step of moving an exhaust plate to a placing table is perforation positioning coarse adjustment, and a corrugated pipe is extruded to generate gas. As the placing table is only fixedly connected to the fourth from last positioning block, only the gas generated by the corrugated pipe connectedto the placing table can enter the exhaust plate through a telescopic rod. The gas flows to a chute to push out a push rod to push the placing table to move. In addition, perforation positioning fineadjustment and two-step adjustment are combined, so that the effect of improving puncture positioning accuracy is achieved.

The invention belongs to the field of pharmaceutical chemistry and relates to a 9,10-anthraquinone compound and a pharmaceutical application thereof, in particular to the 9,10-anthraquinone compound and the application thereof in the preparation of a phosphoglycerate mutase inhibitor and in the preparation of drugs for treating cancer. In particular, the invention discloses the application of the9,10-anthraquinone compound shown in the structure of a formula I, pharmaceutically-acceptable salts thereof, or a pharmaceutical composition taking the 9,10-anthraquinone compound as an effective active ingredient in preparing drugs for preventing and treating tumors. The compound can inhibit phosphoglycerate mutase activity and reduce cell metabolism level, and can be used for treating diseasessuch as solid tumors and blood tumors, and the tumors involved are pancreatic cancer, lung cancer, liver cancer, gastric cancer, esophageal cancer, intestinal cancer, breast cancer, cervical cancer, leukemia and melanoma.

The application of platelet microparticles in complications of elevated expression of leukemia cell tissue factors belongs to the field of biomedicine. In particular, the present invention discloses an application of platelet microparticles in preparation of agents for diagnosing or predicting elevated expression of cell tissue factors in a leukemia patient, and an application of an annexin V in preparation or screening of drugs for preventing or treating complications caused by elevated expression of cell tissue factors in a leukemia patient. The invention has an important value for assessment and timely treatment of malignant tumor patient patients, in particular to hematologic tumor patients in critical condition when applied in clinical practices.

The invention relates to the field of biomedical technologies and molecular biology, in particular to a peripheral blood miRNA marker combination and kit for diagnosing colon cancer and application of the peripheral blood miRNA marker combination and kit. The invention discloses a peripheral blood miRNA marker combination for colon cancer diagnosis. The miRNA marker combination comprises one or a combination of at least two of the following miRNAs: hsa-miR-1324, hsa-miR-20b-5p, hsa-miR-216b-5p, hsa-miR-367-5p, hsa-miR-597-5p and hsa-miR-934. The peripheral blood miRNA marker combination for colon cancer diagnosis is applied to preparation of a colon cancer detection reagent or tool. The peripheral blood miRNA tumor marker detection provided by the invention belongs to the field of liquid biopsy, has the characteristics of high specificity, earlier discovery, high sensitivity and minimal invasion compared with clinically conventional blood tumor markers, and is a novel marker for diagnosing various diseases including tumors. The detection result of the training set established by the invention on the test set shows that the diagnosis efficiency is as high as 95%, and the method has important significance for clinical colon cancer diagnosis in the future.