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Article ; Online: Delayed immune-related adverse events in long-responders of immunotherapy: a single-center experience.

Kitano, Masatake / Honda, Takayuki / Hikita, Eri / Masuo, Masahiro / Miyazaki, Yasunari / Kobayashi, Masayoshi

Asia-Pacific journal of clinical oncology

2024

Abstract: Background: Immune-checkpoint inhibitors (ICIs) often cause immune-related adverse events (irAEs). The spectrum of irAEs and their managements has been partially clarified, however the knowledge on time-course of irAEs is not well understood.: Methods! ...

Abstract	Background: Immune-checkpoint inhibitors (ICIs) often cause immune-related adverse events (irAEs). The spectrum of irAEs and their managements has been partially clarified, however the knowledge on time-course of irAEs is not well understood. Methods: A retrospective study based on the medical record was performed. The study subjects were consisting of patients with various types of solid tumors for whom ICIs (nivolumab, pembrolizumab, durvalumab, atezolizumab, nivolumab plus ipilimumab) were used between April 2016 and October 2021. We focused on irAEs developed more than 1-year after commencement ICIs (delayed irAE group) and compared with irAEs developed within 1-year (non-delayed irAE group) in terms of types and severity of irAEs. Results: A total of 336 patients were enrolled in the study. Eighty-eight patients (26.2%) developed irAEs and 248 did not. Most of the patients developing irAEs were treated using PD-L1/PD-1 inhibitors. Eighty-one patients (24.1%) in non-delayed irAE group and 7 patients (2.1%) in delayed irAE group developed irAEs. The median onset of irAEs in the delayed irAE group was 18.6 months (range: 13.5-24.3). The types of irAEs observed in delayed irAE group were dermatitis (2 cases), pneumonitis (2 cases), nephritis (1 case), arthritis (1 case), and gastritis (1 case). The severity of irAEs was almost mild (≤G2), but one patient (.3%) developed G3 nephritis. Conclusion: PD-L1/PD-1 inhibitors frequently caused various irAEs but their severities were mostly tolerable. Few patients developed delayed irAE with mild toxities.
Language	English
Publishing date	2024-04-12
Publishing country	Australia
Document type	Journal Article
ZDB-ID	2187409-8
ISSN	1743-7563 ; 1743-7555
ISSN (online)	1743-7563
ISSN	1743-7555
DOI	10.1111/ajco.14059
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Article ; Online: A comparison of the incidence of ≥ grade 2 radiation pneumonitis between intensity-modulated radiotherapy and three-dimensional conformal radiotherapy in patients with unresectable non-small cell lung cancer treated with durvalumab after concurrent chemoradiotherapy.

Masuo, Masahiro / Shinohara, Eiko / Kitano, Masataka / Maruta, Ryusuke / Chonabayashi, Satoshi / Endo, Shun / Matumoto, Suhei / Nishiyama, Naoki / Machitori, Yumiko / Kobayashi, Masayoshi

Japanese journal of clinical oncology

2023 Volume 54, Issue 3, Page(s) 312–318

Abstract: Background: Intensity-modulated radiation therapy (IMRT) has been increasingly used as a new radiation modality for unresectable non-small cell lung cancer (NSCLC). The risk factors for radiation pneumonitis (RP) during consolidation durvalumab ... ...

Abstract	Background: Intensity-modulated radiation therapy (IMRT) has been increasingly used as a new radiation modality for unresectable non-small cell lung cancer (NSCLC). The risk factors for radiation pneumonitis (RP) during consolidation durvalumab following concurrent chemoradiotherapy (CCRT) using IMRT have not been thoroughly investigated. Methods: This retrospective study analyzed medical record data from consecutive patients diagnosed with NSCLC who underwent CCRT and consolidation durvalumab at our institution between April 2018 and September 2022. Since we adopted IMRT for the treatment of NSCLC in April 2020, these patients were categorized into two groups: those treated with IMRT after April 2020 and those treated with three-dimensional conformal radiotherapy (3D-CRT) before April 2020. Results: A total of 31 patients underwent IMRT (the IMRT group), while 25 patients underwent 3D-CRT (the 3D-CRT group). In both groups, the total dose was 60 Gy in 30 fractions. The cumulative incidence of ≥ grade 2 RP at 12 months was significantly lower in the IMRT group than in the 3D-CRT group (27.0% vs. 64.0%, hazard ratio [HR]: 0.338, 95% confidence interval [CI]: 0.144-0.793, p = 0.013). In the multivariable analysis, V20 (≥ 25.6%, HR: 2.706, 95% CI: 1.168-6.269, p = 0.020) and radiotherapy technique (IMRT, HR: 0.414, 95% CI: 0.172-0.994, p = 0.048) were identified as significant risk factors for ≥ grade 2 RP. Conclusions: IMRT is associated with a lower rate of ≥ grade 2 RP in patients with NSCLC who received CCRT followed by durvalumab.
MeSH term(s)	Humans ; Carcinoma, Non-Small-Cell Lung/drug therapy ; Carcinoma, Non-Small-Cell Lung/complications ; Radiotherapy, Intensity-Modulated/adverse effects ; Radiotherapy, Intensity-Modulated/methods ; Incidence ; Radiation Pneumonitis/epidemiology ; Radiation Pneumonitis/etiology ; Retrospective Studies ; Lung Neoplasms/drug therapy ; Lung Neoplasms/complications ; Radiotherapy Dosage ; Radiotherapy, Conformal/adverse effects ; Radiotherapy, Conformal/methods ; Chemoradiotherapy/adverse effects ; Antibodies, Monoclonal
Chemical Substances	durvalumab (28X28X9OKV) ; Antibodies, Monoclonal
Language	English
Publishing date	2023-11-27
Publishing country	England
Document type	Journal Article
ZDB-ID	190978-2
ISSN	1465-3621 ; 0368-2811
ISSN (online)	1465-3621
ISSN	0368-2811
DOI	10.1093/jjco/hyad158
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Article ; Online: The Prostaglandin D2 Receptor CRTH2 Contributes to Airway Hyperresponsiveness during Airway Inflammation Induced by Sensitization without an Adjuvant in Mice.

Hanzawa, Satoshi / Sugiura, Makiko / Nakae, Susumu / Masuo, Masahiro / Morita, Hideaki / Matsumoto, Kenji / Takeda, Kazuyoshi / Okumura, Ko / Nakamura, Masataka / Ohno, Tatsukuni / Miyazaki, Yasunari

International archives of allergy and immunology

2024 , Page(s) 1–9

Abstract: Introduction: Prostaglandin D2 (PGD2), which is produced mainly by Th2 cells and mast cells, promotes a type-2 immune response by activating Th2 cells, mast cells, eosinophils, and group 2 innate lymphoid cells (ILC2s) via its receptor, chemoattractant ... ...

Abstract	Introduction: Prostaglandin D2 (PGD2), which is produced mainly by Th2 cells and mast cells, promotes a type-2 immune response by activating Th2 cells, mast cells, eosinophils, and group 2 innate lymphoid cells (ILC2s) via its receptor, chemoattractant receptor-homologous molecules on Th2 cells (CRTH2). However, the role of CRTH2 in models of airway inflammation induced by sensitization without adjuvants, in which both IgE and mast cells may play major roles, remain unclear. Methods: Wild-type (WT) and CRTH2-knockout (KO) mice were sensitized with ovalbumin (OVA) without an adjuvant and then challenged intranasally with OVA. Airway inflammation was assessed based on airway hyperresponsiveness (AHR), lung histology, number of leukocytes, and levels of type-2 cytokines in the bronchoalveolar lavage fluid (BALF). Results: AHR was significantly reduced after OVA challenge in CRTH2 KO mice compared to WT mice. The number of eosinophils, levels of type-2 cytokines (IL-4, IL-5, and IL-13) in BALF, and IgE concentration in serum were decreased in CRTH2 KO mice compared to WT mice. However, lung histological changes were comparable between WT and CRTH2 KO mice. Conclusion: CRTH2 is responsible for the development of asthma responses in a mouse model of airway inflammation that features prominent involvement of both IgE and mast cells.
Language	English
Publishing date	2024-04-10
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	1108932-5
ISSN	1423-0097 ; 1018-2438
ISSN (online)	1423-0097
ISSN	1018-2438
DOI	10.1159/000537840
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Uh III Zs.155: Show issues

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Article ; Online: Human epididymis protein 4 is a new biomarker to predict the prognosis of progressive fibrosing interstitial lung disease.

Nishiyama, Naoki / Masuo, Masahiro / Nukui, Yoshihisa / Tateishi, Tomoya / Kishino, Mitsuhiro / Tateishi, Ukihide / Morota, Kaori / Ohbo, Kazuyuki / Miyazaki, Yasunari

Respiratory investigation

2020 Volume 59, Issue 1, Page(s) 90–98

Abstract: Background: The clinical course and prognosis of progressive fibrosing interstitial lung diseases (PF-ILDs) vary between individuals. Notably, predictive serum biomarkers for disease management are needed. Serum human epididymis protein 4 (HE4) is ... ...

Abstract	Background: The clinical course and prognosis of progressive fibrosing interstitial lung diseases (PF-ILDs) vary between individuals. Notably, predictive serum biomarkers for disease management are needed. Serum human epididymis protein 4 (HE4) is reportedly elevated in patients with idiopathic pulmonary ﬁbrosis (IPF); however, its clinical utility remains unknown. We evaluated the potential of serum HE4 as a biomarker for patients with PF-ILD. Methods: Serum HE4 was measured in a retrospective study consisting of 34 patients with PF-ILD and 40 healthy volunteers. The relationship between serum HE4 levels and clinical parameters or prognosis was investigated. To validate the significance of results obtained, a prospective observational study was performed in 37 patients presenting PF-ILD and 40 control patients without PF-ILD. Results: Serum HE4 levels were higher in patients with PF-ILD than in healthy volunteers (P < 0.01). Moreover, serum HE4 levels correlated with the extent of honeycombing on chest high-resolution computed tomography (r = 0.41, P = 0.015). In multivariate analysis using the Cox proportional hazard model, higher HE4 levels (>238 pmol/L) were associated with an elevated mortality risk; hazard ratio (HR) 7.27, 95% CI 1.56-34.0, P = 0.01 in the derivation cohort; HR 44.3, 95% CI 4.19-468, P < 0.01 in validation cohort. Conclusions: Serum HE4 levels may serve as a new diagnostic and prognostic biomarker for patients with PF-ILD.
MeSH term(s)	Aged ; Aged, 80 and over ; Biomarkers/analysis ; Biomarkers/blood ; Disease Progression ; Female ; Humans ; Idiopathic Pulmonary Fibrosis/diagnosis ; Idiopathic Pulmonary Fibrosis/diagnostic imaging ; Lung/diagnostic imaging ; Lung Diseases, Interstitial/diagnosis ; Lung Diseases, Interstitial/diagnostic imaging ; Male ; Middle Aged ; Predictive Value of Tests ; Prognosis ; Prospective Studies ; Retrospective Studies ; Tomography, X-Ray Computed ; WAP Four-Disulfide Core Domain Protein 2/analysis
Chemical Substances	Biomarkers ; WAP Four-Disulfide Core Domain Protein 2 ; WFDC2 protein, human
Language	English
Publishing date	2020-09-09
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	2660821-2
ISSN	2212-5353 ; 2212-5345
ISSN (online)	2212-5353
ISSN	2212-5345
DOI	10.1016/j.resinv.2020.08.002
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Article ; Online: Serum CXCL9 and CCL17 as biomarkers of declining pulmonary function in chronic bird-related hypersensitivity pneumonitis.

Nukui, Yoshihisa / Yamana, Takashi / Masuo, Masahiro / Tateishi, Tomoya / Kishino, Mitsuhiro / Tateishi, Ukihide / Tomita, Makoto / Hasegawa, Takehiro / Aritsu, Takashi / Miyazaki, Yasunari

PloS one

2019 Volume 14, Issue 8, Page(s) e0220462

Abstract: The clinical course of chronic hypersensitivity pneumonitis (HP) with fibrosis is similar to that of idiopathic pulmonary fibrosis (IPF). Current research is expected to identify biomarkers effective in predicting the deterioration of lung function in a ... ...

Abstract	The clinical course of chronic hypersensitivity pneumonitis (HP) with fibrosis is similar to that of idiopathic pulmonary fibrosis (IPF). Current research is expected to identify biomarkers effective in predicting the deterioration of lung function in a clinical setting. Our group analyzed the relationships between the following parameters in chronic bird-related HP: patient characteristics, serum markers, lung function, HRCT findings, BALF profiles, and the worsening of lung function. We also analyzed serum levels of CXCL9, CCL17, and Krebs von den Lungen 6 (KL-6) as serum markers. Patients showing declines in vital capacity (VC) of over 5% at 6 months after first admission were categorized as the "decline group"; the others were categorized as the "stable group." The serum level of CCL17 and the percentage of BALF macrophages were significantly higher in the decline group compared to the stable group. Serum levels of CXCL9 and CCL17 were significant variables in a multivariate logistic regression analysis of factors associated with VC decline. Patients with a chemokine profile combining lower serum CXCL9 and higher serum CCL17 exhibited significantly larger VC decline in a cluster analysis. Higher serum CCL17 and lower serum CXCL9 were important predictors of worsening lung function in patients with chronic bird-related HP.
MeSH term(s)	Adult ; Aged ; Allergens/immunology ; Alveolitis, Extrinsic Allergic/blood ; Alveolitis, Extrinsic Allergic/diagnosis ; Alveolitis, Extrinsic Allergic/etiology ; Alveolitis, Extrinsic Allergic/physiopathology ; Animals ; Biomarkers/blood ; Birds/immunology ; Bronchoalveolar Lavage Fluid/chemistry ; Bronchoalveolar Lavage Fluid/cytology ; Chemokine CCL17/blood ; Chemokine CXCL9/blood ; Female ; Humans ; Lung/physiopathology ; Male ; Middle Aged ; Mucin-1/blood ; Respiratory Function Tests ; Vital Capacity
Chemical Substances	Allergens ; Biomarkers ; CCL17 protein, human ; CXCL9 protein, human ; Chemokine CCL17 ; Chemokine CXCL9 ; MUC1 protein, human ; Mucin-1
Language	English
Publishing date	2019-08-01
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ISSN	1932-6203
ISSN (online)	1932-6203
DOI	10.1371/journal.pone.0220462
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Article ; Online: A phase II feasibility study of carboplatin and nab-paclitaxel for advanced non-small cell lung cancer patients with interstitial lung disease (YLOG0114).

Sakashita, Hiroyuki / Uchibori, Ken / Jin, Yasuto / Tsutsui, Toshiharu / Honda, Takayuki / Sakakibara, Rie / Mitsumura, Takahiro / Nukui, Yoshihisa / Shirai, Tsuyoshi / Masuo, Masahiro / Suhara, Kozo / Furusawa, Haruhiko / Yamashita, Takaaki / Ohba, Takehiko / Saito, Kazuhito / Takagiwa, Jun / Miyashita, Yoshihiro / Inase, Naohiko / Miyazaki, Yasunari

Thoracic cancer

2022 Volume 13, Issue 9, Page(s) 1267–1275

Abstract: Background: A standard treatment regimen for advanced non-small cell lung cancer (NSCLC) patients with interstitial lung disease (ILD) has not been established since most clinical trials exclude such patients because of the high risk of acute ... ...

Abstract	Background: A standard treatment regimen for advanced non-small cell lung cancer (NSCLC) patients with interstitial lung disease (ILD) has not been established since most clinical trials exclude such patients because of the high risk of acute exacerbation of ILD. This study aimed to prospectively investigate the efficacy and safety of carboplatin and nab-paclitaxel as a first-line regimen for NSCLC patients with ILD. Methods: The enrolled patients had treatment-naïve advanced NSCLC with ILD. The patients received 4-6 cycles of carboplatin (area under the curve = 5) on day 1 and nab-paclitaxel 100 mg/m Results: Twenty-five patients were enrolled in this study. Nine patients had adenocarcinoma, 11 had squamous cell carcinoma, one had large cell carcinoma, and four had NSCLC, not otherwise specified. The completion rate of ≥4 cycles was 76% (95% confidence interval: 56.2%-88.8%), which met the primary endpoint. The ORR and DCR were 44% and 88%, respectively. The median PFS and OS were 5.8 months and 15.8 months, respectively. Three patients experienced grade ≥2 pneumonitis, and one patient met the acute exacerbation criteria. Conclusion: The 4-week modified regimen of carboplatin and nab-paclitaxel showed tolerable toxicity with favorable efficacy in NSCLC patients with ILD. This regimen may be an effective treatment option for patients in real clinical settings.
MeSH term(s)	Albumins ; Antineoplastic Combined Chemotherapy Protocols/adverse effects ; Carboplatin/therapeutic use ; Carcinoma, Non-Small-Cell Lung/complications ; Carcinoma, Non-Small-Cell Lung/drug therapy ; Feasibility Studies ; Humans ; Lung Diseases, Interstitial/complications ; Lung Neoplasms/complications ; Lung Neoplasms/drug therapy ; Paclitaxel
Chemical Substances	130-nm albumin-bound paclitaxel ; Albumins ; Carboplatin (BG3F62OND5) ; Paclitaxel (P88XT4IS4D)
Language	English
Publishing date	2022-03-23
Publishing country	Singapore
Document type	Clinical Trial, Phase II ; Journal Article
ZDB-ID	2625856-0
ISSN	1759-7714 ; 1759-7706
ISSN (online)	1759-7714
ISSN	1759-7706
DOI	10.1111/1759-7714.14376
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Zs.A 6921: Show issues

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Article ; Online: Factors associated with positive inhalation provocation test results in subjects suspected of having chronic bird-related hypersensitivity pneumonitis.

Masuo, Masahiro / Miyazaki, Yasunari / Suhara, Kozo / Ishizuka, Masahiro / Fujie, Toshihide / Inase, Naohiko

Respiratory investigation

2016 Volume 54, Issue 6, Page(s) 454–461

Abstract: Background: Chronic bird-related hypersensitivity pneumonitis (BRHP) is often misdiagnosed as other interstitial lung diseases. While the utility of the inhalation provocation test (IPT) has been reported, the test is not commonly performed. In this ... ...

Abstract	Background: Chronic bird-related hypersensitivity pneumonitis (BRHP) is often misdiagnosed as other interstitial lung diseases. While the utility of the inhalation provocation test (IPT) has been reported, the test is not commonly performed. In this study, we aimed to identify significant clinical variables associated with positive inhalation provocation test results in subjects suspected of having chronic BRHP. This would help clinicians decide whether to perform IPT in patients suspected of having chronic BRHP in real-life practice. Methods: We retrospectively evaluated 107 patients who underwent the IPT for suspected chronic BRHP. We used the IPT as the gold standard diagnostic tool for chronic BRHP. Results: Specific antibodies against pigeon dropping extract were documented in 52% of the IPT-positive patients but also in 38% of the IPT-negative patients (p=0.172). By using the logistic regression model, three significant predictors of IPT results were identified as follows: (1) a history of raising birds (odds ratio [OR] 3.112), (2) exposure to birds from the surrounding environment (OR 7.321), (3) white blood cell count (×10 Conclusions: This study demonstrates that current or past exposure to avian antigens is a positive predictor of positive IPT results in patients suspected of having chronic BRHP.
MeSH term(s)	Aged ; Animals ; Antigens ; Bird Fancier's Lung/diagnosis ; Bird Fancier's Lung/immunology ; Birds/immunology ; Bronchial Provocation Tests/methods ; Chronic Disease ; Female ; Humans ; Leukocyte Count ; Logistic Models ; Male ; Middle Aged ; Predictive Value of Tests ; Retrospective Studies ; Tomography, X-Ray Computed
Chemical Substances	Antigens
Language	English
Publishing date	2016-11
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	2660821-2
ISSN	2212-5353 ; 2212-5345
ISSN (online)	2212-5353
ISSN	2212-5345
DOI	10.1016/j.resinv.2016.05.002
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Interleukin-17A and Neutrophils in a Murine Model of Bird-Related Hypersensitivity Pneumonitis.

Ishizuka, Masahiro / Miyazaki, Yasunari / Masuo, Masahiro / Suhara, Kozo / Tateishi, Tomoya / Yasui, Makito / Inase, Naohiko

PloS one

2015 Volume 10, Issue 9, Page(s) e0137978

Abstract: Hypersensitivity pneumonitis (HP) is an immune mediated lung disease induced by the repeated inhalation of a wide variety of antigens. Bird-related hypersensitivity pneumonitis (BRHP) is one of the most common forms of HP in human and results from the ... ...

Abstract	Hypersensitivity pneumonitis (HP) is an immune mediated lung disease induced by the repeated inhalation of a wide variety of antigens. Bird-related hypersensitivity pneumonitis (BRHP) is one of the most common forms of HP in human and results from the inhalation of avian antigens. The findings of a recent clinical analysis suggest that in addition to Th1 factors, the levels of interleukin(IL)-17 and IL-17-associated transcripts are increased in the setting of HP, and that both IL-17A and neutrophils are crucial for the development of pulmonary inflammation in murine models of HP. Our objectives were to investigate the roles of IL-17A and neutrophils in granuloma-forming inflammation in an acute HP model. We developed a mouse model of acute BRHP using pigeon dropping extract. We evaluated the process of granuloma formation and the roles of both IL-17A and neutrophils in a model. We found that the neutralization of IL-17A by the antibody attenuated granuloma formation and the recruitment of neutrophils, and also decreased the expression level of chemokine(C-X-C motif) ligand 5 (CXCL5) in the acute HP model. We confirmed that most of the neutrophils in the acute HP model exhibited immunoreactivity to the anti-IL-17 antibody. We have identified the central roles of both IL-17A and neutrophils in the pathogenesis of granuloma formation in acute HP. We have also assumed that neutrophils are an important source of IL-17A in an acute HP model, and that the IL-17A-CXCL5 pathway may be responsible for the recruitment of neutrophils.
MeSH term(s)	Animals ; Bird Fancier's Lung/genetics ; Bird Fancier's Lung/immunology ; Bird Fancier's Lung/pathology ; Chemokine CXCL5/genetics ; Chemokine CXCL5/immunology ; Columbidae ; Disease Models, Animal ; Granuloma, Respiratory Tract/genetics ; Granuloma, Respiratory Tract/immunology ; Granuloma, Respiratory Tract/pathology ; Humans ; Interleukin-17/genetics ; Interleukin-17/immunology ; Lung/immunology ; Lung/pathology ; Mice ; Neutrophil Infiltration ; Neutrophils/immunology ; Neutrophils/pathology
Chemical Substances	Chemokine CXCL5 ; Cxcl5 protein, mouse ; Il17a protein, mouse ; Interleukin-17
Language	English
Publishing date	2015
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ISSN	1932-6203
ISSN (online)	1932-6203
DOI	10.1371/journal.pone.0137978
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Article ; Online: Periostin as a predictor of prognosis in chronic bird-related hypersensitivity pneumonitis.

Nukui, Yoshihisa / Miyazaki, Yasunari / Masuo, Masahiro / Okamoto, Tsukasa / Furusawa, Haruhiko / Tateishi, Tomoya / Kishino, Mitsuhiro / Tateishi, Ukihide / Ono, Junya / Ohta, Shoichiro / Izuhara, Kenji / Inase, Naohiko

Allergology international : official journal of the Japanese Society of Allergology

2019 Volume 68, Issue 3, Page(s) 363–369

Abstract: Background: Periostin is an established biomarker of Th2 immune response and fibrogenesis. Recent research has indicated that periostin plays an important role in the pathogenesis of idiopathic interstitial pneumonias. To clarify the relationship ... ...

Abstract	Background: Periostin is an established biomarker of Th2 immune response and fibrogenesis. Recent research has indicated that periostin plays an important role in the pathogenesis of idiopathic interstitial pneumonias. To clarify the relationship between periostin and pathogenesis in chronic bird-related hypersensitivity pneumonitis (HP) and to reveal the usefulness of serum periostin levels in diagnosing and managing chronic bird-related HP. Methods: We measured serum periostin in 63 patients with chronic bird-related HP, 13 patients with idiopathic pulmonary fibrosis, and 113 healthy volunteers. We investigated the relationship between serum periostin and clinical parameters, and evaluated if the baseline serum periostin could predict the prognosis. Results: Serum periostin was significantly higher in patients with chronic bird-related HP compared to the healthy volunteers. In chronic bird-related HP, serum periostin had significant positive correlations with serum KL-6 levels, the CD4/CD8 ratio in bronchoalveolar lavage fluid, and fibrosis score on HRCT, and a significant negative correlation with the diffusing capacity of the lungs for carbon monoxide. Chronic bird-related HP patients with serum periostin levels exceeding ≥92.5 ng/mL and ≥89.5 ng/mL had a significantly worse prognosis and significantly higher frequency of acute exacerbation, respectively. Higher serum periostin (92.5 ng/mL or higher; binary response for serum periostin) was an independent prognostic factor in multivariate analysis. Conclusions: Serum periostin may reflect the extent of lung fibrosis and play an important role in pathogenesis of chronic bird-related HP. Elevated serum periostin could be a predictor of prognosis in patients with chronic bird-related HP.
MeSH term(s)	Aged ; Biomarkers/blood ; Biomarkers/metabolism ; Bird Fancier's Lung/blood ; Bird Fancier's Lung/immunology ; Bird Fancier's Lung/pathology ; Bird Fancier's Lung/physiopathology ; Bronchoalveolar Lavage Fluid/immunology ; Cell Adhesion Molecules/blood ; Cell Adhesion Molecules/metabolism ; Female ; Humans ; Idiopathic Pulmonary Fibrosis/blood ; Kaplan-Meier Estimate ; Lung/pathology ; Lung/physiopathology ; Male ; Middle Aged ; Mucin-1/blood ; Prognosis
Chemical Substances	Biomarkers ; Cell Adhesion Molecules ; MUC1 protein, human ; Mucin-1 ; POSTN protein, human
Language	English
Publishing date	2019-03-11
Publishing country	England
Document type	Journal Article
ZDB-ID	1336498-4
ISSN	1440-1592 ; 1323-8930
ISSN (online)	1440-1592
ISSN	1323-8930
DOI	10.1016/j.alit.2019.02.007
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Zs.A 5248: Show issues

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Article ; Online: Nrf2 Suppresses Allergic Lung Inflammation by Attenuating the Type 2 Innate Lymphoid Cell Response.

Nagashima, Ryuichi / Kosai, Hitomi / Masuo, Masahiro / Izumiyama, Keiko / Noshikawaji, Taketo / Morimoto, Motoko / Kumaki, Satoru / Miyazaki, Yasunari / Motohashi, Hozumi / Yamamoto, Masayuki / Tanaka, Nobuyuki

Journal of immunology (Baltimore, Md. : 1950)

2019 Volume 202, Issue 5, Page(s) 1331–1339

Abstract: The Keap1-Nrf2 system plays a pivotal role in the oxidative stress response by inducing a number of cytoprotective genes. Under stress, damaged epithelial cells release cytokines that activate type 2 innate lymphoid cells (ILC2s), which mediate the ... ...

Abstract	The Keap1-Nrf2 system plays a pivotal role in the oxidative stress response by inducing a number of cytoprotective genes. Under stress, damaged epithelial cells release cytokines that activate type 2 innate lymphoid cells (ILC2s), which mediate the allergic immune response. In this article, we investigated the role of the Keap1-Nrf2 pathway in ILC2 homeostasis and allergic inflammation using Nrf2 knockout mice. ILC2s from Nrf2-deficient mice showed a transient, upregulated IL-33 response and underwent hyperproliferation in response to a combined stimulation of IL-33 with IL-2, IL-7, or TSLP. This enhanced proliferation was correlated with an increased activation of downstream signals, including JAK1, Akt, and Erk1/2. In contrast, activating Nrf2 with a chemical inducer (CDDO-Im) decreased the viability of the wild-type but not of the Nrf2-deficient ILC2s. This effect on viability resembled that exerted by the corticosteroid dexamethasone; however, unlike the latter, the Nrf2-dependent cell death was mediated by neither caspase 3-dependent apoptosis nor necroptosis. Using a mouse intratracheal IL-33 administration allergy model, we found that the activation of Nrf2 by CDDO-Im in vivo decreased the number of pulmonary ILC2s and eosinophils. These findings indicated that Nrf2 is an important regulator of the allergic response by determining the survival and death of ILC2s, and these findings suggest that Nrf2 activation is a potential therapeutic strategy for steroid-resistant allergy alleviation.
MeSH term(s)	Allergens/immunology ; Animals ; Cell Proliferation ; Cells, Cultured ; Female ; Immunity, Innate/immunology ; Inflammation/immunology ; Inflammation/pathology ; Lung/immunology ; Lung/pathology ; Lymphocytes/immunology ; Lymphocytes/pathology ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; NF-E2-Related Factor 2/deficiency ; NF-E2-Related Factor 2/immunology
Chemical Substances	Allergens ; NF-E2-Related Factor 2 ; Nfe2l2 protein, mouse
Language	English
Publishing date	2019-01-23
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	3056-9
ISSN	1550-6606 ; 0022-1767 ; 1048-3233 ; 1047-7381
ISSN (online)	1550-6606
ISSN	0022-1767 ; 1048-3233 ; 1047-7381
DOI	10.4049/jimmunol.1801180
Database	MEDical Literature Analysis and Retrieval System OnLINE

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