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  1. Article ; Online: Group 2 Innate Lymphoid Cells in Airway Diseases.

    Kato, Atsushi

    Chest

    2019  Volume 156, Issue 1, Page(s) 141–149

    Abstract: Group 2 innate lymphoid cells (ILC2s) are increasingly recognized as a key controller of type 2 inflammation, and are well known to be highly elevated in human airway type 2 inflammatory diseases including allergic rhinitis, chronic rhinosinusitis with ... ...

    Abstract Group 2 innate lymphoid cells (ILC2s) are increasingly recognized as a key controller of type 2 inflammation, and are well known to be highly elevated in human airway type 2 inflammatory diseases including allergic rhinitis, chronic rhinosinusitis with nasal polyps, and asthma. ILC2-mediated production of type 2 cytokines initiates and amplifies airway inflammation via activation of eosinophils, B cells, mast cells, macrophages, fibroblasts, and epithelial cells in these diseases. ILC2s require at least three major signals to fully activate and robustly produce type 2 cytokines. IL-1 family cytokines (IL-1β, IL-18, IL-33), IL-25, and TNF superfamilies (TNF, TL1A, GITR-L, RANK-L) activate the NF-κB and AP-1 pathways that initiate production of IL-5 and IL-13. Lipid mediators (LTC
    MeSH term(s) Biomarkers ; Cytokines/immunology ; Humans ; Immunity, Innate ; Lymphocyte Activation/immunology ; Respiratory Tract Diseases/immunology ; T-Lymphocyte Subsets/immunology
    Chemical Substances Biomarkers ; Cytokines
    Language English
    Publishing date 2019-05-10
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't ; Review
    ZDB-ID 1032552-9
    ISSN 1931-3543 ; 0012-3692
    ISSN (online) 1931-3543
    ISSN 0012-3692
    DOI 10.1016/j.chest.2019.04.101
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: [ROLE OF GROUP 2 INNATE LYMPHOID CELLS IN ALLERGIC INFLAMMATION OF THE UPPER RESPIRATORY TRACT].

    Ogasawara, Noriko / Kato, Atsushi

    Arerugi = [Allergy

    2022  Volume 71, Issue 3, Page(s) 195–199

    MeSH term(s) Humans ; Immunity, Innate ; Inflammation ; Lymphocytes ; Respiratory System ; Sinusitis
    Language Japanese
    Publishing date 2022-05-13
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 974201-3
    ISSN 0021-4884
    ISSN 0021-4884
    DOI 10.15036/arerugi.71.195
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Endotypic heterogeneity and pathogenesis in chronic rhinosinusitis.

    Bai, Junqin / Tan, Bruce K / Kato, Atsushi

    Current opinion in allergy and clinical immunology

    2023  Volume 24, Issue 1, Page(s) 1–8

    Abstract: Purpose of review: This review aims to provide updates in realms of endotypic heterogeneity, pathogenesis at the molecular level, potential of biomarkers, and cutting-edge scope of biologics in CRS.: Recent findings: High-dimensional analyses, such ... ...

    Abstract Purpose of review: This review aims to provide updates in realms of endotypic heterogeneity, pathogenesis at the molecular level, potential of biomarkers, and cutting-edge scope of biologics in CRS.
    Recent findings: High-dimensional analyses, such as transcriptomes, and machine learning, have significantly enhanced CRS endotyping, uncovering diverse pathogenetic mechanisms contributing to its heterogeneity. The dynamic process of epithelial remodeling in CRS pathogenesis has gained more clarity and support as exemplified by IL-13 and oncostatin M (OSM) that are shown intricately linked to epithelial barrier dysfunction. Moreover, anti-dsDNA autoantibody, BAFF, periostin, and cystatin SN show promise as potentials biomarkers, offering diagnostic and prognostic value for CRS.
    Summary: The identification of inflammatory molecules involved in endotype specific signaling pathways provides insights into the underlying mechanisms and verifiable biomarkers for diagnosis and prediction of disease severity. More comprehensive clinical studies should be conducted to facilitate biologics from bench to bedside in treating CRS.
    MeSH term(s) Humans ; Rhinitis ; Rhinosinusitis ; Sinusitis/drug therapy ; Biomarkers/analysis ; Chronic Disease ; Biological Products/therapeutic use ; Nasal Polyps/diagnosis
    Chemical Substances Biomarkers ; Biological Products
    Language English
    Publishing date 2023-11-15
    Publishing country United States
    Document type Review ; Journal Article
    ZDB-ID 2088710-3
    ISSN 1473-6322 ; 1528-4050
    ISSN (online) 1473-6322
    ISSN 1528-4050
    DOI 10.1097/ACI.0000000000000954
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Synthesis of the Purported Structure of Glyphaeaside C and Proposed Revisions to the Structures of the Glyphaeaside Alkaloids.

    Byatt, Brendan J / Kato, Atsushi / Pyne, Stephen G

    Journal of natural products

    2023  Volume 86, Issue 5, Page(s) 1261–1273

    Abstract: The 10 glyphaeaside alkaloids isolated from the roots ... ...

    Abstract The 10 glyphaeaside alkaloids isolated from the roots of
    MeSH term(s) Enzyme Inhibitors/pharmacology ; Alkaloids/pharmacology ; Imino Sugars/chemistry ; Imino Sugars/pharmacology ; alpha-Glucosidases/metabolism ; Molecular Structure
    Chemical Substances Enzyme Inhibitors ; glyphaeaside C ; Alkaloids ; Imino Sugars ; alpha-Glucosidases (EC 3.2.1.20)
    Language English
    Publishing date 2023-04-26
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 304325-3
    ISSN 1520-6025 ; 0163-3864
    ISSN (online) 1520-6025
    ISSN 0163-3864
    DOI 10.1021/acs.jnatprod.3c00046
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Regional antibiotic perfusion through the lateral saphenous vein in two horses with septic calcaneal osteitis.

    Mizuguchi, Yuya / Kato, Atsushi / Aizu, Marina

    The Journal of veterinary medical science

    2022  Volume 85, Issue 1, Page(s) 55–61

    Abstract: In this case report, two horses with chronic refractory infections in the tuber calcanei were successfully managed via intravenous antibiotic regional limb perfusion through the lateral saphenous vein after failure of conventional treatment approaches, ... ...

    Abstract In this case report, two horses with chronic refractory infections in the tuber calcanei were successfully managed via intravenous antibiotic regional limb perfusion through the lateral saphenous vein after failure of conventional treatment approaches, including surgery and intravenous regional limb perfusion using the cranial branch of the medial saphenous vein. Surgical delay in these cases may have allowed the development of chronic infection, which prevented the conventional regional perfusion from working effectively. The spatial difference of the vessels relative to the tuber calcanei possibly contributed to the treatment outcome in these horses. This report describes a novel approach for regional antimicrobial perfusion to the equine plantar hock region using the lateral saphenous vein.
    MeSH term(s) Horses ; Animals ; Anti-Bacterial Agents/therapeutic use ; Saphenous Vein ; Osteitis/veterinary ; Perfusion/veterinary ; Administration, Intravenous/veterinary ; Horse Diseases/drug therapy ; Horse Diseases/surgery
    Chemical Substances Anti-Bacterial Agents
    Language English
    Publishing date 2022-11-23
    Publishing country Japan
    Document type Case Reports ; Journal Article
    ZDB-ID 1071753-5
    ISSN 1347-7439 ; 0916-7250
    ISSN (online) 1347-7439
    ISSN 0916-7250
    DOI 10.1292/jvms.22-0377
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Evaluation of anti-Yersinia psueudotuberculosis-derived mitogen antibody in intravenous immunoglobulin products.

    Miyata, Ippei / Kato, Atsushi / Ouchi, Kazunobu

    Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy

    2022  Volume 28, Issue 11, Page(s) 1582–1583

    Abstract: Antibody titers against the superantigen, Yersinia pseudotuberculosis-derived mitogen, suggestive of mediating Kawasaki disease-like manifestation in Y. pseudotuberculosis infections, in immunoglobulin products were evaluated. Trace, but detectable titer ...

    Abstract Antibody titers against the superantigen, Yersinia pseudotuberculosis-derived mitogen, suggestive of mediating Kawasaki disease-like manifestation in Y. pseudotuberculosis infections, in immunoglobulin products were evaluated. Trace, but detectable titer was demonstrated in the products. Thus, attention is required when evaluating anti-Y. pseudotuberculosis-derived mitogen IgG titers in patient sera post intravenous immunoglobulin therapy.
    MeSH term(s) Humans ; Immunoglobulins, Intravenous/therapeutic use ; Mitogens/therapeutic use ; Yersinia ; Yersinia Infections ; Yersinia pseudotuberculosis ; Yersinia pseudotuberculosis Infections/drug therapy
    Chemical Substances Immunoglobulins, Intravenous ; Mitogens
    Language English
    Publishing date 2022-08-05
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 1355399-9
    ISSN 1437-7780 ; 1341-321X
    ISSN (online) 1437-7780
    ISSN 1341-321X
    DOI 10.1016/j.jiac.2022.07.020
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Immunopathology of chronic rhinosinusitis.

    Kato, Atsushi

    Allergology international : official journal of the Japanese Society of Allergology

    2015  Volume 64, Issue 2, Page(s) 121–130

    Abstract: Chronic rhinosinusitis (CRS) is a heterogeneous disease characterized by local inflammation of the upper airways and sinuses which persists for at least 12 weeks. CRS can be divided into two phenotypes dependent on the presence of nasal polyps (NPs); CRS ...

    Abstract Chronic rhinosinusitis (CRS) is a heterogeneous disease characterized by local inflammation of the upper airways and sinuses which persists for at least 12 weeks. CRS can be divided into two phenotypes dependent on the presence of nasal polyps (NPs); CRS with NPs (CRSwNP) and CRS without NPs (CRSsNP). Immunological patterns in the two diseases are known to be different. Inflammation in CRSsNP is rarely investigated and limited studies show that CRSsNP is characterized by type 1 inflammation. Inflammation in CRSwNP is well investigated and CRSwNP in Western countries shows type 2 inflammation and eosinophilia in NPs. In contrast, mixed inflammatory patterns are found in CRSwNP in Asia and the ratio of eosinophilic NPs and non-eosinophilic NPs is almost 50:50 in these countries. Inflammation in eosinophilic NPs is mainly controlled by type 2 cytokines, IL-5 and IL-13, which can be produced from several immune cells including Th2 cells, mast cells and group 2 innate lymphoid cells (ILC2s) that are all elevated in eosinophilic NPs. IL-5 strongly induces eosinophilia. IL-13 activates macrophages, B cells and epithelial cells to induce recruitment of eosinophils and Th2 cells, IgE mediated reactions and remodeling. Epithelial derived cytokines, TSLP, IL-33 and IL-1 can directly and indirectly control type 2 cytokine production from these cells in eosinophilic NPs. Recent clinical trials showed the beneficial effect on eosinophilic NPs and/or asthma by monoclonal antibodies against IL-5, IL-4Rα, IgE and TSLP suggesting that they can be therapeutic targets for eosinophilic CRSwNP.
    MeSH term(s) B-Lymphocytes/immunology ; Chronic Disease ; Cytokines/immunology ; Dendritic Cells/immunology ; Eosinophilia/immunology ; Humans ; Mast Cells/immunology ; Nasal Polyps/immunology ; Rhinitis/immunology ; Sinusitis/immunology ; T-Lymphocytes/immunology
    Chemical Substances Cytokines
    Language English
    Publishing date 2015-04
    Publishing country England
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't ; Review
    ZDB-ID 1336498-4
    ISSN 1440-1592 ; 1323-8930
    ISSN (online) 1440-1592
    ISSN 1323-8930
    DOI 10.1016/j.alit.2014.12.006
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Mechanisms and pathogenesis of chronic rhinosinusitis.

    Kato, Atsushi / Schleimer, Robert P / Bleier, Benjamin S

    The Journal of allergy and clinical immunology

    2022  Volume 149, Issue 5, Page(s) 1491–1503

    Abstract: Chronic rhinosinusitis (CRS) is a heterogeneous disease characterized by local inflammation of the upper airways and is historically divided into 2 main phenotypes: CRS with nasal polyps and CRS without nasal polyps. Inflammation in CRS is mainly ... ...

    Abstract Chronic rhinosinusitis (CRS) is a heterogeneous disease characterized by local inflammation of the upper airways and is historically divided into 2 main phenotypes: CRS with nasal polyps and CRS without nasal polyps. Inflammation in CRS is mainly characterized by 3 endotypes based on elevation of canonical lymphocyte cytokines: type (T) 1 (T1) by T
    MeSH term(s) Chronic Disease ; Cytokines ; Humans ; Inflammation ; Nasal Polyps ; Rhinitis ; Sinusitis
    Chemical Substances Cytokines
    Language English
    Publishing date 2022-03-01
    Publishing country United States
    Document type Journal Article ; Review ; Research Support, Non-U.S. Gov't ; Research Support, N.I.H., Extramural
    ZDB-ID 121011-7
    ISSN 1097-6825 ; 1085-8725 ; 0091-6749
    ISSN (online) 1097-6825 ; 1085-8725
    ISSN 0091-6749
    DOI 10.1016/j.jaci.2022.02.016
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  9. Article ; Online: Group 2 innate lymphoid cells in nasal polyposis.

    Stevens, Whitney W / Kato, Atsushi

    Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology

    2020  Volume 126, Issue 2, Page(s) 110–117

    Abstract: Objective: Chronic rhinosinusitis with nasal polyps (CRSwNP) is characterized by a chronic type 2 inflammatory response in the paranasal sinuses. Group 2 innate lymphoid cells (ILC2s) are potent innate immune cells that contribute to type 2 inflammation ...

    Abstract Objective: Chronic rhinosinusitis with nasal polyps (CRSwNP) is characterized by a chronic type 2 inflammatory response in the paranasal sinuses. Group 2 innate lymphoid cells (ILC2s) are potent innate immune cells that contribute to type 2 inflammation by producing cytokines such as interleukin (IL)-4, IL-5, and IL-13. There is increasing evidence suggesting that ILC2s play an important role in the CRSwNP pathogenesis.
    Data sources: We reviewed published literature obtained through PubMed inquiries.
    Study selections: Studies relevant to the presence, function, and activation of ILC2s in CRSwNP were included.
    Results: Nasal polyps (NPs) are one of the first tissues in which human ILC2s were discovered, and many groups have since reported that these cells are highly elevated in NPs. ILC2s in NPs are also highly activated and produce type 2 cytokines in vivo. Mediators known to activate ILC2s, including receptor activator of nuclear factor kappa-Β ligand, thymic stromal lymphopoietin, various lipid mediators (including prostaglandin D
    Conclusion: ILC2-mediated type 2 inflammation plays a crucial role in the pathogenesis of CRSwNP. Targeting the upstream mediators responsible for activating ILC2s and the downstream products that these cells release may play an important role in modifying the inflammatory response and improving clinical outcomes in CRSwNP.
    MeSH term(s) Animals ; Asthma, Aspirin-Induced/immunology ; Chronic Disease ; Humans ; Immunity, Innate ; Lymphocytes/immunology ; Nasal Polyps/drug therapy ; Nasal Polyps/immunology ; Rhinitis/drug therapy ; Rhinitis/immunology ; Sinusitis/drug therapy ; Sinusitis/immunology
    Language English
    Publishing date 2020-08-08
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't ; Review
    ZDB-ID 1228189-x
    ISSN 1534-4436 ; 0003-4738 ; 1081-1206
    ISSN (online) 1534-4436
    ISSN 0003-4738 ; 1081-1206
    DOI 10.1016/j.anai.2020.08.001
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: [Overview--Recent therapeutic strategy for blood coagulation disorders].

    Kato, Atsushi

    Rinsho ketsueki] The Japanese journal of clinical hematology

    2014  Volume 55, Issue 1, Page(s) 66

    MeSH term(s) Blood Coagulation Disorders/diagnosis ; Blood Coagulation Disorders/genetics ; Blood Coagulation Disorders/therapy ; Humans ; Molecular Targeted Therapy
    Language Japanese
    Publishing date 2014-01
    Publishing country Japan
    Document type Introductory Journal Article
    ZDB-ID 390900-1
    ISSN 0485-1439
    ISSN 0485-1439
    Database MEDical Literature Analysis and Retrieval System OnLINE

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