9 results about "Macrophage infiltration" patented technology

The application belongs to the technical field of biological medicine, and relates to application of a CXCL14 inhibitor in preparation of a drug for preventing or treating abdominal aortic aneurysm of a patient. The inhibitor effectively eliminates the gender difference of abdominal aortic aneurysm by specifically blocking the combination of CXCL14 and its receptor CXCR4, significantly reduces aortic macrophage infiltration and PDGFRA + macrophage accumulation in the progress of abdominal aortic aneurysm, reduces the degree of collagen degradation and elastic fiber damage, and thus inhibits the pathological progress of abdominal aortic aneurysm. The application provides a new target and drug combination for precise treatment of male abdominal aortic aneurysm, and has clear clinical application value.

This invention belongs to the field of biomedical technology and relates to the application of OSM inhibitors in the preparation of drugs for the prevention or treatment of calcific aortic valve disease. This invention reveals for the first time that OSM drives osteogenic differentiation and calcified nodule formation of valvular interstitial cells through the OSM-OSMR-JAK2 / JAK3-STAT3-RUNX2 signaling axis, which is the core pathogenic mechanism leading to calcific aortic valve disease. This invention utilizes anti-OSM neutralizing antibodies or sulforaphane to effectively block this signaling axis, significantly inhibiting macrophage infiltration, valvular calcification, and improving hemodynamic abnormalities. This invention provides a precise target and a novel strategy for the modification therapy of calcific aortic valve disease, solving the technical problem of the ineffectiveness of traditional broad-spectrum anti-inflammatory therapy in valvular calcification.

This invention discloses a reactive oxygen species (ROS)-responsive nanocomposite for targeting and repairing damaged endothelium, its preparation, and its application, belonging to the field of nanomedicine technology. The nanocomposite comprises a physalicylate-copper nanoparticle core and a P-selectin-targeting polypeptide linked to the core surface via thiol-copper affinity. The physalicylate-copper nanoparticle core is prepared by coordination of physalicylate and copper ions to form a primary complex, followed by ascorbic acid reduction. This composite nanosystem can specifically recognize and accumulate in the blood vessels and peritubular regions of the kidney injury area, releasing Cu in response to high concentrations of ROS in an inflammatory environment. 2+ Together with HBT, it simultaneously achieves antioxidant and anti-inflammatory functions, promotes angiogenesis and repair, and inhibits the release of inflammatory factors and macrophage infiltration and activation, effectively blocking the fibrosis process. This system has a well-defined structure and strong targeting, and can effectively rebuild microvessels, reduce inflammation, and block the process of renal fibrosis, providing a highly efficient and precise new nanomedicine strategy for the anti-fibrotic treatment of kidney diseases.

This invention discloses the application of the small molecule compound Z2114502286 in the preparation of drugs for the prevention and treatment of liver-related diseases. This invention reveals for the first time that Z2114502286 is a THBS2-specific small molecule inhibitor and verifies its feasibility in preventing and treating liver fibrosis by targeting and inhibiting the THBS2 protein. Through virtual screening and molecular docking, this compound can directly bind to the THBS2 protein. In vitro and in vivo studies show that this compound inhibits THBS2-mediated HSC activation in a concentration- and time-dependent manner, inhibits ECM deposition in a mouse model of liver fibrosis, downregulates the expression of fibrosis-related genes, and alleviates liver inflammation and macrophage infiltration. Simultaneously, the targeted efficacy was verified in a transgenic mouse model specifically expressing human THBS2, demonstrating significant clinical translational value. Furthermore, it exhibits bioavailability and safety at effective dosages, showing broad clinical application prospects.

This invention discloses the application of adenosine deaminase or its modified forms in the preparation of therapeutic drugs that improve pancreatic islet inflammation and protect pancreatic β-cell function in diabetic patients. This invention is the first to discover that exogenous ADA, through a systemic clearance-local decompression mechanism, enhances circulating ADO clearance, reduces tissue ADO load, restores compensatoryly elevated tissue ADA activity to normal, significantly reduces macrophage infiltration in the islets, inhibits inflammatory factor expression, promotes β-cell proliferation and functional recovery, and improves glucose and lipid metabolism. This invention provides a disease-modifying therapy for diabetes that can simultaneously regulate immunity and metabolism, possessing extremely high clinical application value.

This invention provides the use of a reagent overexpressing Parp7 in the preparation of drugs for treating septic cardiomyopathy, belonging to the field of biomedical technology. This invention involves constructing a recombinant adeno-associated virus vector AAV9-F4 / 80- that specifically overexpresses PARP7 on macrophages. Parp7 The drug was intravenously injected into mice, and a septic cardiomyopathy model was established using lipopolysaccharide induction. Experimental results showed that macrophage-specific overexpression of PARP7 significantly reduced serum levels of myocardial injury markers CK-MB and cTnT, improved cardiac function indicators such as ejection fraction and fractional shortening, alleviated myocardial tissue pathological damage, and inhibited macrophage infiltration and inflammatory factors. Ifn-beta , Tnf- α , Il‑6 and Il‑1β The expression of PARP7. This invention reveals the protective role of PARP7 in septic cardiomyopathy, providing a new target and strategy for the treatment of septic cardiomyopathy.

This invention discloses the application of SB202190 in the preparation of drugs for treating immune checkpoint inhibitor-associated pneumonia (CIP), belonging to the field of pharmaceutical technology. It also discloses related screening methods, model construction methods, and synergistic anti-tumor applications. A CIP mouse model was constructed based on an LLC orthotopic lung cancer model using intraperitoneal injection of a PDL1 monoclonal antibody. Experiments confirmed that SB202190 can inhibit p38 MAPK activity, block abnormal activation of the NF-κB pathway, reduce T cell, neutrophil, and macrophage infiltration, decrease the release of inflammatory factors such as IFN-γ and IL17A, and alleviate pathological damage to lung tissue. When SB202190 is used in combination with anti-tumor drugs, its antitumor activity is not reduced; instead, it synergistically exerts an anti-tumor effect, making it suitable for the treatment of CIP in cancer patients who develop the disease after using immune checkpoint inhibitors. This invention provides a new technical approach and solution for the treatment of CIP.

The application discloses application of a combination marker in survival time of tumor patients and treatment effect prediction of an immune checkpoint inhibitor, and proposes an ISG15 + macrophages and SPP1 + The macrophage infiltration level is used as the combination marker, the ratio of the two is used as a kit for the survival time of tumor patients and the treatment effect of the immune checkpoint inhibitor, the survival time of tumor objects and the treatment effect of the tumor immune checkpoint inhibitor can be effectively predicted, patients sensitive to the immune checkpoint inhibitor treatment can be effectively screened, the response rate of the tumor immune checkpoint inhibitor treatment is improved, and the combination marker has good clinical transformation and application prospect.

The present application provides the application, method and drug related to the regulation of tumor or inflammatory disease related macrophage infiltration by CREPT. The present application also provides the application of the inhibition of CREPT positive tumor associated macrophage (TAM) in the preparation of the preparation for regulating the tumor microenvironment, and the application in the preparation of the drug for treating tumor or promoting the action of T lymphocyte. The inhibition of the CREPT positive tumor associated macrophage (TAM) can provide a technical means for controlling tumor proliferation, invasion and metastasis. The CREPT positive tumor associated macrophage (TAM) can also be used as a biomarker for the risk of an individual suffering from tumor, or a biomarker for the development stage of the tumor of an individual, to judge the risk of an individual suffering from tumor or the stage and progress of the tumor of a tumor patient.