115 results about "Hypersensitivity Diseases" patented technology

To provide a pharmaceutical agent that has STAT6 inhibitory activity and is effective for the treatment of allergic diseases and inflammatory diseases such as atopic dermatitis.SOLUTION: A pharmaceutical agent contains, as an active ingredient, a compound represented by the general formula (I) in the figure or a pharmaceutically acceptable salt thereof, which has STAT6 inhibitory activity.SELECTED DRAWING: None

The invention belongs to the technical field of preparation of probiotics, and provides a bacterial strain with anti-allergic and immunity-improving effects and application of the bacterial strain. According to the method, a three-layer physical self-assembly structure is adopted, and polysaccharide-polyphenol layer-by-layer self-assembly coating treatment, lipid insertion layer treatment and calcium ion crosslinking protection coating treatment are sequentially carried out. And mannan oligosaccharide MOS and / or galactooligosaccharide GOS are / is mixed in the chitosan layer in a ratio of 0.05-0.15% w / v, and the surface sugar ligand density reaches 4-8 [mu] g per 10 CFU. The coating is constructed under the condition that the pH value is 5.4-5.8; the thickness of the lipid layer is 20-80 nm when the pH value is 5.6-6.2; the cross-linked layer is treated at the pH of 6.0-6.5, so that the gastric acid environment is stable for 2 hours, and the gastric acid is controllably released in intestinal juice for 2-4 hours. The prepared strain has the total thickness of 220-900 nm, the outermost layer coverage rate is larger than or equal to 85%, the gastric juice survival rate is remarkably improved, the strain can be prepared into an oral preparation to be used for preventing and relieving allergic diseases, the viable count of each dose is 1 * 10 <-1 > * 10 <-1 > CFU, and the process is mild and suitable for industrial production.

The present invention is related to novel methods for identifying a population of subjects that are at risk for developing of atopic allergic diseases, and to the prevention of these allergic diseases.

The invention belongs to the technical field of microorganisms, and particularly relates to application of bifidobacterium bifidum NKUFB3-12 and a composition thereof in preparation of products for relieving allergic diseases and / or regulating intestinal flora caused by allergy. The preservation number of the bifidobacterium bifidum NKUFB3-12 is GDMCC (China General Microbiological Culture Collection Center) No. 64013. The bifidobacterium bifidum NKUFB3-12 disclosed by the invention has excellent functional characteristics of relieving allergic diseases and regulating allergic intestinal flora, and also has excellent probiotic characteristics of acid resistance, cholate resistance and oxidation resistance, and the strain is safe and has no adverse side effect after being taken. The invention provides a composition. The composition comprises bifidobacterium bifidum NKUFB3-12 and 2 '-fucosyllactose (2'-FL), and the NKUFB3-12 is compounded with the 2 '-FL to show an effective inhibition effect on the imbalance of allergic immune response.

Aspects of the application provide anti-IL-13 antibodies and methods of using the same in treating IL-13-mediated diseases (e.g., allergic disease or other inflammatory diseases).

The present application relates to a dendritic cell-targeted allergen nanovaccine. The present application discloses a nanovaccine which is internally wrapped with an allergen and externally coupled with a dendritic cell targeting molecule. The present application also provides a preparation method and use of the nanovaccine. The nanovaccine can be specifically taken up by dendritic cells, and induce cell tolerance, and is used for specific immunotherapy of allergic diseases.

The application discloses CpG-containing oligodeoxynucleotide (ODN) with the function of regulating the body's immune capacity and application thereof. The oligodeoxynucleotide in the application is different from the design concept of traditional A-type CpG ODN in sequence and structure, embodies the complex drug-making rule and overcomes the problem of traditional A-type CPG in drug-making. The oligodeoxynucleotide has excellent activity of regulating the body's immune function in vitro and in vivo, can stimulate the production of I, II and III type interferons, regulates the Th1 type immune response, and inhibits the Th2 type and Th17 type inflammatory response. Therefore, the oligodeoxynucleotide can prevent and treat allergic diseases caused by Th2 type immune response, including allergic rhinitis, atopic dermatitis, asthma, chronic obstructive pulmonary disease, eosinophil and Th17 related diseases, can prevent and treat the infection and spread of respiratory or non-respiratory pathogenic microorganisms including viruses, bacteria, fungi and parasites, can improve the immune level of the elderly and immunodeficient population, can convert "cold tumor" into "hot tumor", improve the effect of cancer immunotherapy, can prevent and treat central nervous system diseases related to immune dysfunction such as Alzheimer's disease, and can be applied to other diseases related to immune dysfunction.

Disclosed is a polypeptide dimeric protein containing two monomers, each of which contains an extracellular domain (FcεRIa-ECD) of an alpha subunit of an IgE Fc receptor. The dimeric protein has advantages that an excellent binding ability to IgE is exhibited as compared with a conventional therapeutic agent containing an anti-IgE antibody, and less other side effects are exhibited due to lack of ADCC and CDC functions. Thus, the dimeric protein can be applied to a medical product for treating or preventing an IgE-mediated allergic disease.

Inhibitory nucleic acid molecules are provided as well as methods of use thereof. Specifically, the disclose provides an Inhibin BetaA (inhba) inhibitory nucleic acid molecule, which is an antisense oligonucleotide, siRNA, or shRNA. Further disclosed are sequences that are targeted by the inhba inhibitory nucleic acid molecule; and methods of treating a disease or disorder in a subject comprising administering an inhba inhibitory nucleic acid molecule to the subject, wherein the disease or disorder is selected from the group consisting of cancers, autoimmune diseases, fibrotic disorders, blood disorders, allergies and allergic diseases, heart failure, neurodegenerative diseases, cachexia and inflammatory diseases.

TSLP-TRAPs are a novel class of biologics that have been developed to inhibit the activity of TSLP. By binding to TSLP, TSLP-TRAPS effectively block the interaction between TSLP and its receptor, preventing downstream signaling and immune cell activation. This makes TSLP-TRAPs an attractive therapeutic option for a variety of inflammatory and allergic diseases, including asthma, atopic dermatitis, and eosinophilic esophagitis.

The application relates to the field of biological medicine, and discloses application of folic acid in prevention, diagnosis and treatment of genetic, infectious or allergic diseases. The application finds that the folic acid can achieve the prevention and treatment effects on the genetic, infectious or allergic diseases by improving inflammation, regulating iron ion metabolism, correcting intestinal flora disorder, reducing liver / intestinal tissue damage, inhibiting expression of inflammatory factors and promoting expression of Nox2. Meanwhile, the application provides application of one or more of the folic acid, S100a8, S100a9, Nox2 and IFN-gamma as a diagnostic or auxiliary diagnostic marker of biliary atresia. Meanwhile, the application provides the folic acid or a derivative thereof, which is prepared into food, a nutritional preparation or a medicine and applied to children or adults, so as to achieve the purposes of preventing and treating biliary atresia, cholangitis, jaundice, infectious diseases, intestinal diseases and diseases caused by abnormal folic acid metabolism.

The invention provides a chimeric antigen receptor. The chimeric antigen receptor comprises five structural domains, namely an antigen specific binding domain, a hinge domain, a transmembrane domain, a co-stimulation domain and a CD3 zeta signal transduction domain, the antigen specific binding structural domain can be specifically bound with an antigen comprising immune globulin IgE; the invention also provides an application of the immunoglobulin E in preparation of a long-acting medicine for treating IgE-mediated allergic diseases. Compared with the prior art, the application has the advantages that the anti-IgE monoclonal antibody is combined with a CAR-T technology, IgE protein generated in a targeting manner is converted into B cells generating IgE in a targeting manner, the killing effect of IgE CAR-T on mIgE + B cells is proved in in-vitro and in-vivo experiments, and the problems that the half-life period of a monoclonal antibody drug is short, and high-frequency medication is needed are solved. In addition, the invention also provides a scheme for carrying out an in-vivo experiment by utilizing the humanized mouse model, and successfully verifies the treatment effect of the CAR-T.

The invention relates to a gene therapy vector nucleic acid construct for allergic diseases and a use method of the gene therapy vector nucleic acid construct. In particular to an expression cassette, the expression cassette comprises the following elements: a promoter, an optional first signal peptide coding sequence, a heavy chain coding sequence of an anti-IgE antibody, an optional linker sequence, an optional second signal peptide coding sequence and a light chain coding sequence of the anti-IgE antibody, and the invention also provides an adeno-associated virus vector containing the expression cassette. The gene expression framework of the adeno-associated virus vector can realize high-level expression of a target gene, and can be used for treating allergic diseases such as allergic asthma and chronic spontaneous urticaria.

The invention belongs to the technical field of biological medicines, and particularly relates to application of chenodeoxycholic acid in preparation of drugs for treating allergic diseases. It is found that CDCA can effectively inhibit pyroptosis and secretion of proinflammatory factors, expression of complement inhibition proteins CD46, CD55 and CD59 is remarkably up-regulated, expression of the complement inhibition proteins CD46, CD55 and CD59 is finally promoted, and occurrence and development of allergic diseases are effectively relieved. In a mouse model, CDCA can significantly improve OVA-induced food allergy symptoms, and has application prospects in treatment of allergic diseases.

The present invention relates to a DcR3 variant, DNA encoding the DcR3 variant, a vector containing the DNA, a transformant obtained by introducing the vector, a method for producing a variant using the transformant, and a prophylactic or therapeutic agent for an autoimmune disease, an inflammatory disease or an allergic disease comprising the variant as an active ingredient. The present invention relates to a DcR3 variant having binding activity (preferably neutralizing activity) against a ligand of DcR3 while showing reduced production of aggregates and / or improved in vivo kinetics compared to wild-type DcR3 when prepared with a mammalian-derived cell as a host, and provides a DcR3 variant comprising a portion of DcR3 and a portion of a TNF superfamily molecule.

The invention discloses a multilayer nanofiber oral paste loaded with an allergen-immunologic adjuvant composition as well as a preparation method and application of the multilayer nanofiber oral paste. The multilayer nanofiber oral paste has an adhesion function. The multilayer nanofiber oral paste is prepared by adopting a continuous electrostatic spinning technology, the adhesion layer is prepared from a polymer material, and the backing layer is prepared from a hydrophobic polymer material. The invention relates to an allergen-immunologic adjuvant composition, and the allergen-immunologic adjuvant composition or a composition nanoparticle is loaded by an adhesive layer. The multi-layer nanofiber oral paste is applied to an oral mucosa area of a patient within a treatment course, so that long-acting release of allergens is realized. After the multi-layer nanofiber oral paste is repeatedly used by a patient, the prevention or treatment of allergic diseases (allergic diseases) can be realized.

The present disclosure relates to an ester derivative prodrug of inotodiol and use thereof. The prodrug not only has increased solubility with respect to an inorganic solvent and an organic solvent, but also has improved stability, and thus can be used in the treatment of various inflammatory diseases, including inflammatory diseases or allergic diseases.

The present invention provides an isolated antibody or antibody derivative that specifically binds to equine interleukin-5 (eqIL-5), comprising at least one member selected from the group consisting of equine light chain constant, equine heavy chain constant, and fragments thereof. Additionally, provided are isolated nucleic acid molecules comprising nucleic acid sequences encoding the isolated antibody or antibody derivative, vectors comprising the respective nucleic acid sequences, and host cells comprising the isolated nucleic acid molecule. The present invention also provides pharmaceutical compositions comprising the isolated antibody or antibody derivative and a pharmaceutically acceptable excipient. Furthermore, provided are uses of the isolated antibody or antibody derivative or pharmaceutical composition as a medicine, particularly for treating allergic conditions in horses. The present invention also relates to in vitro methods for diagnosing allergic conditions in horses, as well as methods for producing the isolated antibody or antibody derivative.

1. The name of the design product: bioelectromagnetic physical therapy instrument. 2. The use of the design product: the design product is used for the auxiliary treatment of allergic diseases. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The present invention relates to treatment and prevention of allergic diseases and, specifically, to an allergic disease immunomodulation method, which suppresses SIRT7 of nasal cavity epithelial cells to inhibit allergy mediators. The present invention suppresses SIRT7 of nasal cavity epithelial cells to inhibit the secretion of epithelial cell cytokines (TSLP), which recognize allergens to attract immune cells that induce an immune response, so that high-level processes of allergic reactions are blocked, and thus allergic diseases can be fundamentally treated and prevented.

The present invention relates to compounds of formula (I) with STAT6 inhibitory activity for use in methods of treatment of inflammatory or allergic diseases, such as e.g. atopic dermatitis.

This invention provides a small molecule inhibitor targeting the FcεRIγ subunit and its application. It discovers that erythrophenol can act as a small molecule inhibitor targeting the FcεRIγ subunit, thereby inhibiting the occurrence of allergic reactions. This invention confirms the direct binding interaction between erythrophenol and the FcεRIγ subunit using SPR and CETSA techniques, revealing that erythrophenol can target and inhibit the FcεRIγ subunit. Furthermore, this invention finds that erythrophenol can significantly inhibit the release of IgE signal-induced β-aminoglycosidase in mast cells, exhibiting a significant ability to inhibit IgE signal-mediated mast cell degranulation and suppress mast cell activation-mediated allergic reactions. This fully demonstrates that erythrophenol, as an inhibitor targeting the FcεRIγ subunit, holds promise as the first inhibitor to induce FcεRIγ subunit degradation in anti-type I allergic diseases, and has broad application prospects for further use in anti-allergy treatment.

The invention belongs to the technical field of immunotherapy of allergic diseases, and provides a method for identifying dominant B cell epitopes and T cell epitopes in wheat omega-5 prolamin. According to the identification method provided by the invention, an immunoinformatics tool, a proliferation test, a degranulation test and the like are comprehensively applied, and the cell proliferation capacity, cell factor release, IgG / IgE binding capacity and degranulation capacity of T / B cell epitopes are evaluated. Results show that the T cell epitopes T1 and T2 sharing the same sequence are relatively strong in multiplication capacity, can up-regulate Th2 related cell factors, but do not have degranulation activity. Three B cell peptide fragments B3, B4 and B9 which share a common motif region QQXPQQQ (X = F, L) can promote IgG / IgE binding and degranulation capabilities. These findings would contribute to the development of epitope-based immunotherapies against wheat allergy individuals.

The application discloses a traditional Chinese medicine composition for treating allergic diseases, which is prepared from the following traditional Chinese medicines in parts by weight: 10-30 parts of raw astragalus, 5-15 parts of dark plum, 5-15 parts of rinkhale, 10-25 parts of small red bean, 5-15 parts of white flag, 5-15 parts of medlar, 5-15 parts of angelica, 5-15 parts of mulberry leaf, 5-15 parts of dried tangerine or orange peel, and 3-10 parts of honey. The preparation method and application of the traditional Chinese medicine composition are also disclosed. The traditional Chinese medicine composition has the functions of benefiting qi and nourishing blood, dispelling wind and dampness, clearing heat and promoting diuresis, and regulating liver and spleen. The traditional Chinese medicine composition is proved to have the function of treating allergic diseases through systematic pharmacological experiments. The components of the traditional Chinese medicine composition are all medicinal and edible materials, and the traditional Chinese medicine composition is expected to be developed into a new medicine or functional food for effectively preventing and treating allergic diseases, and has good clinical significance.

The present invention provides a polypeptide dimeric protein containing two monomers, each of which contains an extracellular domain (FcεRIa-ECD) of an alpha subunit of an IgE Fc receptor. The dimeric protein according to the present invention has advantages that an excellent binding ability to IgE is exhibited as compared with a conventional therapeutic agent containing an anti-IgE antibody, and less other side effects are exhibited due to lack of ADCC and CDC functions. Thus, the dimeric protein can be applied to a medical product for treating or preventing an IgE-mediated allergic disease.

The present invention relates to a novel aminoalkanoic acid derivative compound into which a biphenyl group is introduced and an anti-inflammatory composition comprising the same. The purpose of this invention is to provide a pharmaceutical composition for preventing or treating fibrotic diseases, inflammatory diseases, autoimmune diseases, and / or allergic diseases containing a novel aminoalkanoic acid derivative compound into which a biphenyl group a biphenyl, its salt and / or a solvent as active ingredient.

The present application relates to a kind of chimeric protein PA508 and its application, belong to the prevention, diagnosis and desensitization treatment technical field of allergic disease. The fusion polypeptide of the present application is named as chimeric protein PA508, the amino acid sequence of the fusion polypeptide is as shown in SEQ ID NO:1. The fusion polypeptide of the present application includes the allergen characteristic peptide from different species, so cross-species immune response can be realized, can prevent or treat the allergic reaction caused by allergen from animal and allergen from plant.

The application discloses a sesquiterpene derivative, a preparation method and application thereof. The application provides a novel sesquiterpene derivative which is obtained by modifying atractylodin III. Activity research shows that the sesquiterpene derivative has stronger inhibiting effect on IgE or histamine secretion than atractylodin III. It is known to those skilled in the art that allergy is mediated by IgE, and histamine secretion under the stimulation of IgE is an important cause of various allergic symptoms. Therefore, the sesquiterpene derivative provided by the application has the prospect of being developed into a medicine for preventing and / or treating diseases which are prevented and / or treated by inhibiting IgE or histamine secretion, such as allergic diseases like food allergy.

The invention relates to Interleukin-2 (IL-2) variants for the prevention or treatment of immune disorders, including with no limitations allergic, autoimmune, chronic or acute inflammatory and infectious diseases; graft-versus-host disease; graft rejection and cancer. The invention also relates to the use of said IL-2 variants for the screening of anti-IL-2 antibodies with pro-T-effector or pro-T-regulatory cell activity.

The invention discloses an application of N-(4-methoxyphenyl)-4-(4-methoxyphenyl) benzenesulfonamide in preparation of drugs for treating allergic diseases, and belongs to the technical field of biological medicines. The invention discloses a new pharmaceutical application of N-(4-methoxyphenyl)-4-(4-methoxyphenyl) benzenesulfonamide for the first time, and the N-(4-methoxyphenyl)-4-(4-methoxyphenyl) benzenesulfonamide serving as an anti-allergic antagonist can effectively inhibit phospholipase C activity of stimulated cells and mediated calcium mobilization thereof in vitro. And the effective dose of the desloratadine, which is a positive drug, is lower in vivo to generate a comparable anti-allergic effect with the desloratadine. Meanwhile, in animal models of allergic rhinitis and atopic dermatitis, compared with a positive drug desloratadine, the compound can effectively inhibit the pathological progress of diseases at a lower dosage. Therefore, the compound has a definite effect of inhibiting in-vitro and in-vivo anaphylaxis, and can be effectively applied to the development of drugs for treating allergic diseases.