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Ham HJ, Lee YS, Koo JK, Yun J, Son DJ, Han SB, Hong JT. Inhibition of Amyloid-β (Aβ)-Induced Cognitive Impairment and Neuroinflammation in CHI3L1 Knockout Mice through Downregulation of ERK-PTX3 Pathway. Int J Mol Sci 2024; 25:5550. [PMID: 38791588 PMCID: PMC11122210 DOI: 10.3390/ijms25105550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 05/15/2024] [Accepted: 05/17/2024] [Indexed: 05/26/2024] Open
Abstract
Several clinical studies reported that the elevated expression of Chitinase-3-like 1 (CHI3L1) was observed in patients suffering from a wide range of diseases: cancer, metabolic, and neurological diseases. However, the role of CHI3L1 in AD is still unclear. Our previous study demonstrated that 2-({3-[2-(1-Cyclohexen-1-yl)ethyl]-6,7-dimethoxy-4-oxo-3,4-dihydro-2-quinazolinyl}culfanyl)-N-(4-ethylphenyl)butanamide, a CHI3L1 inhibiting compound, alleviates memory and cognitive impairment and inhibits neuroinflammation in AD mouse models. In this study, we studied the detailed correlation of CHI3L1 and AD using serum from AD patients and using CHI3L1 knockout (KO) mice with Aβ infusion (300 pmol/day, 14 days). Serum levels of CHI3L1 were significantly elevated in patients with AD compared to normal subjects, and receiver operating characteristic (ROC) analysis data based on serum analysis suggested that CHI3L1 could be a significant diagnostic reference for AD. To reveal the role of CHI3L1 in AD, we investigated the CHI3L1 deficiency effect on memory impairment in Aβ-infused mice and microglial BV-2 cells. In CHI3L1 KO mice, Aβ infusion resulted in lower levels of memory dysfunction and neuroinflammation compared to that of WT mice. CHI3L1 deficiency selectively inhibited phosphorylation of ERK and IκB as well as inhibition of neuroinflammation-related factors in vivo and in vitro. On the other hand, treatment with recombinant CHI3L1 increased neuroinflammation-related factors and promoted phosphorylation of IκB except for ERK in vitro. Web-based gene network analysis and our results showed that CHI3L1 is closely correlated with PTX3. Moreover, in AD patients, we found that serum levels of PTX3 were correlated with serum levels of CHI3L1 by Spearman correlation analysis. These results suggest that CHI3L1 deficiency could inhibit AD development by blocking the ERK-dependent PTX3 pathway.
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Affiliation(s)
| | | | | | | | | | | | - Jin Tae Hong
- College of Pharmacy and Medical Research Center, Chungbuk National University, Osongsaengmyeong 1-ro, Osong-eup, Heungdeok-gu, Cheongju 28160, Republic of Korea
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Mizoguchi E, Sadanaga T, Nanni L, Wang S, Mizoguchi A. Recently Updated Role of Chitinase 3-like 1 on Various Cell Types as a Major Influencer of Chronic Inflammation. Cells 2024; 13:678. [PMID: 38667293 PMCID: PMC11049018 DOI: 10.3390/cells13080678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 04/08/2024] [Accepted: 04/11/2024] [Indexed: 04/28/2024] Open
Abstract
Chitinase 3-like 1 (also known as CHI3L1 or YKL-40) is a mammalian chitinase that has no enzymatic activity, but has the ability to bind to chitin, the polymer of N-acetylglucosamine (GlcNAc). Chitin is a component of fungi, crustaceans, arthropods including insects and mites, and parasites, but it is completely absent from mammals, including humans and mice. In general, chitin-containing organisms produce mammalian chitinases, such as CHI3L1, to protect the body from exogenous pathogens as well as hostile environments, and it was thought that it had a similar effect in mammals. However, recent studies have revealed that CHI3L1 plays a pathophysiological role by inducing anti-apoptotic activity in epithelial cells and macrophages. Under chronic inflammatory conditions such as inflammatory bowel disease and chronic obstructive pulmonary disease, many groups already confirmed that the expression of CHI3L1 is significantly induced on the apical side of epithelial cells, and activates many downstream pathways involved in inflammation and carcinogenesis. In this review article, we summarize the expression of CHI3L1 under chronic inflammatory conditions in various disorders and discuss the potential roles of CHI3L1 in those disorders on various cell types.
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Affiliation(s)
- Emiko Mizoguchi
- Department of Immunology, Kurume University School of Medicine, Kurume 830-0011, Japan; (T.S.); (S.W.); (A.M.)
- Department of Molecular Microbiology and Immunology, Brown University Alpert Medical School, Providence, RI 02912, USA
| | - Takayuki Sadanaga
- Department of Immunology, Kurume University School of Medicine, Kurume 830-0011, Japan; (T.S.); (S.W.); (A.M.)
- Department of Molecular Microbiology and Immunology, Brown University Alpert Medical School, Providence, RI 02912, USA
| | - Linda Nanni
- Catholic University of the Sacred Heart, 00168 Rome, Italy;
| | - Siyuan Wang
- Department of Immunology, Kurume University School of Medicine, Kurume 830-0011, Japan; (T.S.); (S.W.); (A.M.)
| | - Atsushi Mizoguchi
- Department of Immunology, Kurume University School of Medicine, Kurume 830-0011, Japan; (T.S.); (S.W.); (A.M.)
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Listyoko AS, Okazaki R, Harada T, Inui G, Yamasaki A. Impact of obesity on airway remodeling in asthma: pathophysiological insights and clinical implications. FRONTIERS IN ALLERGY 2024; 5:1365801. [PMID: 38562155 PMCID: PMC10982419 DOI: 10.3389/falgy.2024.1365801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Accepted: 03/07/2024] [Indexed: 04/04/2024] Open
Abstract
The prevalence of obesity among asthma patients has surged in recent years, posing a significant risk factor for uncontrolled asthma. Beyond its impact on asthma severity and patients' quality of life, obesity is associated with reduced lung function, increased asthma exacerbations, hospitalizations, heightened airway hyperresponsiveness, and elevated asthma-related mortality. Obesity may lead to metabolic dysfunction and immune dysregulation, fostering chronic inflammation characterized by increased pro-inflammatory mediators and adipocytokines, elevated reactive oxygen species, and reduced antioxidant activity. This chronic inflammation holds the potential to induce airway remodeling in individuals with asthma and obesity. Airway remodeling encompasses structural and pathological changes, involving alterations in the airway's epithelial and subepithelial layers, hyperplasia and hypertrophy of airway smooth muscle, and changes in airway vascularity. In individuals with asthma and obesity, airway remodeling may underlie heightened airway hyperresponsiveness and increased asthma severity, ultimately contributing to the development of persistent airflow limitation, declining lung function, and a potential increase in asthma-related mortality. Despite efforts to address the impact of obesity on asthma outcomes, the intricate mechanisms linking obesity to asthma pathophysiology, particularly concerning airway remodeling, remain incompletely understood. This comprehensive review discusses current research investigating the influence of obesity on airway remodeling, to enhance our understanding of obesity's role in the context of asthma airway remodeling.
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Affiliation(s)
- Aditya Sri Listyoko
- Division of Respiratory Medicine and Rheumatology, Department of Multidisciplinary Internal Medicine, Faculty of Medicine, Tottori University, Yonago, Japan
- Pulmonology and Respiratory Medicine Department, Faculty of Medicine, Brawijaya University-Dr. Saiful Anwar General Hospital, Malang, Indonesia
| | - Ryota Okazaki
- Division of Respiratory Medicine and Rheumatology, Department of Multidisciplinary Internal Medicine, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Tomoya Harada
- Division of Respiratory Medicine and Rheumatology, Department of Multidisciplinary Internal Medicine, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Genki Inui
- Division of Respiratory Medicine and Rheumatology, Department of Multidisciplinary Internal Medicine, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Akira Yamasaki
- Division of Respiratory Medicine and Rheumatology, Department of Multidisciplinary Internal Medicine, Faculty of Medicine, Tottori University, Yonago, Japan
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Blazevic N, Rogic D, Pelajic S, Miler M, Glavcic G, Ratkajec V, Vrkljan N, Bakula D, Hrabar D, Pavic T. YKL-40 as a biomarker in various inflammatory diseases: A review. Biochem Med (Zagreb) 2024; 34:010502. [PMID: 38125621 PMCID: PMC10731731 DOI: 10.11613/bm.2024.010502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 09/04/2023] [Indexed: 12/23/2023] Open
Abstract
YKL-40 or Chitinase-3-Like Protein 1 (CHI3L1) is a highly conserved glycoprotein that binds heparin and chitin in a non-enzymatic manner. It is a member of the chitinase protein family 18, subfamily A, and unlike true chitinases, YKL-40 is a chitinase-like protein without enzymatic activity for chitin. Although its accurate function is yet unknown, the pattern of its expression in the normal and disease states suggests its possible engagement in apoptosis, inflammation and remodeling or degradation of the extracellular matrix. During an inflammatory response, YKL-40 is involved in a complicated interaction between host and bacteria, both promoting and attenuating immune response and potentially being served as an autoantigen in a vicious circle of autoimmunity. Based on its pathophysiology and mechanism of action, the aim of this review was to summarize research on the growing role of YKL-40 as a persuasive biomarker for inflammatory diseases' early diagnosis, prediction and follow-up (e.g., cardiovascular, gastrointestinal, endocrinological, immunological, musculoskeletal, neurological, respiratory, urinary, infectious) with detailed structural and functional background of YKL-40.
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Affiliation(s)
- Nina Blazevic
- Department of Gastroenterology and Hepatology, Sestre milosrdnice University Hospital Center, Zagreb, Croatia
| | - Dunja Rogic
- Department of Laboratory Diagnostics, University Hospital Center Zagreb, Zagreb, Croatia
| | - Stipe Pelajic
- Department of Gastroenterology and Hepatology, Sestre milosrdnice University Hospital Center, Zagreb, Croatia
| | - Marijana Miler
- Department of Clinical Chemistry, Sestre milosrdnice University Hospital Center, Zagreb, Croatia
| | - Goran Glavcic
- Department of Surgery, Sestre milosrdnice University Hospital Center, Zagreb, Croatia
| | - Valentina Ratkajec
- Department of Gastroenterology, General Hospital Virovitica, Virovitica, Croatia
| | - Nikolina Vrkljan
- Department of Internal Medicine, Intensive Care Unit, Sestre milosrdnice University Hospital Center, Zagreb, Croatia
| | - Dejan Bakula
- Department of Gastroenterology and Hepatology, Sestre milosrdnice University Hospital Center, Zagreb, Croatia
| | - Davor Hrabar
- Department of Gastroenterology and Hepatology, Sestre milosrdnice University Hospital Center, Zagreb, Croatia
| | - Tajana Pavic
- Department of Gastroenterology and Hepatology, Sestre milosrdnice University Hospital Center, Zagreb, Croatia
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Han H, Choi YJ, Hong H, Kim CY, Byun MK, Cho JH, Lee JH, Park JW, Doherty TA, Park HJ. Effects of chitinase-1 inhibitor in obesity-induced and -aggravated asthma in a murine model. Life Sci 2023; 334:122163. [PMID: 37890698 DOI: 10.1016/j.lfs.2023.122163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 10/04/2023] [Accepted: 10/06/2023] [Indexed: 10/29/2023]
Abstract
AIMS Despite recent investigations on the role of chitinase in asthma, its role in obesity-induced asthma has not been evaluated. Therefore, we investigated the roles of chitin, chitinase-1, and a chitinase-1 inhibitor (compound X, CPX) in a murine model. MAIN METHODS We assigned C57BL/6 mice to the ovalbumin (OVA) model or obesity model group. In the OVA model, mice received intraperitoneal OVA twice within a 2-week interval and intranasal OVA for 3 consecutive days. Additionally, chitin was intranasally administered for 3 consecutive days, and CPX was intraperitoneally injected three times over 5 days. In the obesity model, a high-fat diet (HFD) was maintained for 13 weeks, and CPX was intraperitoneally injected eight times over 4 weeks. KEY FINDINGS In the OVA model, chitin aggravated OVA-induced airway hyper-responsiveness (AHR), increased bronchoalveolar lavage fluid (BALF) cell proliferation, increased fibrosis, and increased the levels of various inflammatory cytokines (including chitinase-1, TGF-β, TNF-α, IL-1 β, IL-6, IL-4, and IL-13). CPX treatment significantly ameliorated these effects. In the obesity model, HFD significantly increased AHR, BALF cell proliferation, fibrosis, and the levels of various inflammatory cytokines. Particularly, compared to the control group, the mRNA expression of chitinase, chitinase-like molecules, and other molecules associated with inflammation and the immune system was significantly upregulated in the HFD and HFD/OVA groups. Immunofluorescence analysis also showed increased chitinase-1 expression in these groups. CPX significantly ameliorated all these effects in this model. SIGNIFICANCE This study showed that CPX can be an effective therapeutic agent in asthma, especially, obesity-induced and -aggravated asthma to protect against the progression to airway remodeling and fibrosis.
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Affiliation(s)
- Heejae Han
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea.
| | - Yong Jun Choi
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea.
| | - Hyerim Hong
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea.
| | - Chi Young Kim
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea.
| | - Min Kwang Byun
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea.
| | - Jae Hwa Cho
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea.
| | - Jae-Hyun Lee
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea; Institute of Allergy, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jung-Won Park
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea; Institute of Allergy, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Taylor A Doherty
- Section of Allergy and Immunology, Department of Medicine, University of California, San Diego, La Jolla, CA, USA
| | - Hye Jung Park
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea; Section of Allergy and Immunology, Department of Medicine, University of California, San Diego, La Jolla, CA, USA.
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Celik V, Gokmirza Ozdemir P. Children with asthma gained more weight during the Coronavirus Disease-2019 pandemic than in previous years: a case-control study. J Asthma 2023; 60:2083-2091. [PMID: 37668319 DOI: 10.1080/02770903.2023.2255263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 08/22/2023] [Accepted: 08/30/2023] [Indexed: 09/06/2023]
Abstract
Objective:The objective of our study to evaluate weight changes and factors influencing weight gain in children with asthma during the coronavirus disease-2019 (COVID-19) pandemic.Methods:The study included 100 children with asthma, aged 5-17, from two regions in Turkey. Face-to-face written questionnaires were used, and siblings closest in age sharing the same household were taken as controls. Only 65 of these children had healthy sibling(s), aged between 2 and 25 years. One hundred children with asthma were compared in terms of weight gain and lifestyle factors before (March 2019 to March 2020) and after the pandemic (March 2020 to March 2021). To determine whether the weight gain differed from the control group, the 65 children with asthma were compared to their siblings.Results:Survey responses indicate that children with asthma performed less physical activity, were exposed to screens more, and slept later during the pandemic period than pre-pandemic (p = 0.003, p < 0.001, and p ≤ 0.001, respectively). Children with asthma and their siblings gained more weight during the pandemic than before the pandemic (both p < 0.001). However, children with asthma gained significantly more weight than their non-asthmatic siblings during the pandemic (p = 0.011). There was no statistical relationship between weight gain and physical activity, screen time, or sleep status.Conclusions:Children with asthma gained more weight during the COVID-19 pandemic than before the pandemic. They also gained more weight than their non-asthmatic siblings during the COVID-19 pandemic.
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Affiliation(s)
- Velat Celik
- Department of Pediatric Allergy and Immunology, Necip Fazil City Hospital, Kahramanmaraş, Turkey
| | - Pinar Gokmirza Ozdemir
- Department of Pediatric Allergy and Immunology, Trakya University Faculty of Medicine, Edirne, Turkey
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Ge L, Wang Y, Liu Z, Du H, Zhao D. Chitinase 3-like 1 plays a pivotal role in airway response of RSV infection via regulating DC functional transition. Int Immunopharmacol 2023; 124:110819. [PMID: 37607465 DOI: 10.1016/j.intimp.2023.110819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 08/11/2023] [Accepted: 08/16/2023] [Indexed: 08/24/2023]
Abstract
BACKGROUND Dendritic cells (DCs) contribute to immune imbalance and airway hyperresponsiveness (AHR) induced by respiratory syncytial virus (RSV). The aim of present study was to explore the mechanism of RSV regulating naive T cell differentiation through DCs. METHODS We generated a Lentivirus shRNA expression vector to knock down CHI3L1 in mouse lungs and bone marrow-derived dendritic cells (BMDCs). Then we investigated the effect of CHI3L1 knockdown on MAPK/ERK pathway, PI3K/AKT pathway, mature DCs represented by molecular markers, naive T cell differentiation and related cytokine expression in vitro and in vivo models of RSV. RESULTS RSV elevated CHI3L1 expression in lung DCs and BMDCs. Knockdown of CHI3L1 impeded RSV-induced activation of MAPK/ERK and PI3K/AKT signaling pathways, attenuated CD86 and OX40L expression in mature DCs, reduced the proportion of Th2 and Th17 cells, and increased the proportion of Treg cells. In addition, by blocking CHI3L1, RSV-infected mice shown relief of airway resistance, the downregulation of Th2/Th17 like cytokines IL-4, IL-13 and IL-17 levels, and the upregulation of IL-10. CONCLUSION Our data show that CHI3L1 promotes RSV induced immune imbalance and airway hyperresponsiveness by regulating the functional transformation of DCs.
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Affiliation(s)
- Lingli Ge
- Department of Pediatrics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China; Department of Pediatrics, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, Hubei, China.
| | - Yuxin Wang
- Department of Pediatrics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China.
| | - Zhi Liu
- Department of Pediatrics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China.
| | - Hui Du
- Department of Pediatrics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China.
| | - Dongchi Zhao
- Department of Pediatrics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China; Children's digital health and data Center of Wuhan University, Wuhan, Hubei, China.
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Wang CW, Chuang HC, Tan TH. ACE2 in chronic disease and COVID-19: gene regulation and post-translational modification. J Biomed Sci 2023; 30:71. [PMID: 37608279 PMCID: PMC10464117 DOI: 10.1186/s12929-023-00965-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 08/15/2023] [Indexed: 08/24/2023] Open
Abstract
Angiotensin-converting enzyme 2 (ACE2), a counter regulator of the renin-angiotensin system, provides protection against several chronic diseases. Besides chronic diseases, ACE2 is the host receptor for SARS-CoV or SARS-CoV-2 virus, mediating the first step of virus infection. ACE2 levels are regulated by transcriptional, post-transcriptional, and post-translational regulation or modification. ACE2 transcription is enhanced by transcription factors including Ikaros, HNFs, GATA6, STAT3 or SIRT1, whereas ACE2 transcription is reduced by the transcription factor Brg1-FoxM1 complex or ERRα. ACE2 levels are also regulated by histone modification or miRNA-induced destabilization. The protein kinase AMPK, CK1α, or MAP4K3 phosphorylates ACE2 protein and induces ACE2 protein levels by decreasing its ubiquitination. The ubiquitination of ACE2 is induced by the E3 ubiquitin ligase MDM2 or UBR4 and decreased by the deubiquitinase UCHL1 or USP50. ACE2 protein levels are also increased by the E3 ligase PIAS4-mediated SUMOylation or the methyltransferase PRMT5-mediated ACE2 methylation, whereas ACE2 protein levels are decreased by AP2-mediated lysosomal degradation. ACE2 is downregulated in several human chronic diseases like diabetes, hypertension, or lung injury. In contrast, SARS-CoV-2 upregulates ACE2 levels, enhancing host cell susceptibility to virus infection. Moreover, soluble ACE2 protein and exosomal ACE2 protein facilitate SARS-CoV-2 infection into host cells. In this review, we summarize the gene regulation and post-translational modification of ACE2 in chronic disease and COVID-19. Understanding the regulation and modification of ACE2 may help to develop prevention or treatment strategies for ACE2-mediated diseases.
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Affiliation(s)
- Chia-Wen Wang
- Immunology Research Center, National Health Research Institutes, 35 Keyan Road, Zhunan, 35053 Taiwan
| | - Huai-Chia Chuang
- Immunology Research Center, National Health Research Institutes, 35 Keyan Road, Zhunan, 35053 Taiwan
| | - Tse-Hua Tan
- Immunology Research Center, National Health Research Institutes, 35 Keyan Road, Zhunan, 35053 Taiwan
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Li J, Wang Y, Xia R, Zhao X, Li L, Wang S. Elevated cerebrospinal fluid YKL-40 levels in patients with anti-gamma-aminobutyric- acid-B receptor encephalitis. J Neuroimmunol 2023; 381:578119. [PMID: 37301084 DOI: 10.1016/j.jneuroim.2023.578119] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 03/27/2023] [Accepted: 05/31/2023] [Indexed: 06/12/2023]
Abstract
OBJECTIVE Anti-gamma-aminobutyric-acid-B receptor (GABAbR) encephalitis is a rare form of autoimmune encephalitis. Until now, there are few biomarkers that can indicate the severity and prognosis of patients with anti-GABAbR encephalitis. The objective of this study was to exam the changes of chitinase-3-like protein 1 (YKL-40) in patients with anti-GABAbR encephalitis. In addition, whether YKL-40 could indicate the disease severity was also evaluated. METHODS The clinical features of 14 patients with anti-GABAbR encephalitis and 21 patients with anti-N-methyl-d-aspartate receptor (NMDAR) encephalitis were retrospectively studied. YKL-40 levels in serum and cerebral fluid (CSF) of patients were detected by enzyme-linked immunosorbent assay. The correlation of modified Rankin Scale (mRS) score of encephalitis patients and YKL40 levels were analyzed. RESULTS YKL-40 levels in CSF were significantly higher in patients with anti-GABAbR encephalitis or anti-NMDAR encephalitis than those in controls. YKL-40 levels between these two encephalitis groups were not different. Moreover, YKL-40 levels in CSF from patients with anti-GABAbR encephalitis were positively correlated with the mRS score at admission and at 6-month follow-up. CONCLUSION YKL-40 level is elevated in CSF from patients with anti-GABAbR encephalitis at early disease stage. YKL-40 may be a potential biomarker indicating the prognosis of patients with anti-GABAbR encephalitis.
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Affiliation(s)
- Jinyi Li
- Department of Neurology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, 107 Wenhua Road, Jinan, Shandong Province, China
| | - Yunhuan Wang
- Department of Neurology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, 107 Wenhua Road, Jinan, Shandong Province, China
| | - Ruihong Xia
- Department of Neurology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, 107 Wenhua Road, Jinan, Shandong Province, China
| | - Xiuhe Zhao
- Department of Neurology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, 107 Wenhua Road, Jinan, Shandong Province, China
| | - Ling Li
- Department of Neurology, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, 758 Hefei Road, Qingdao, Shandong Province, China.
| | - Shengjun Wang
- Department of Neurology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, 107 Wenhua Road, Jinan, Shandong Province, China.
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Rusak A, Buzalewicz I, Mrozowska M, Wiatrak B, Haczkiewicz-Leśniak K, Olbromski M, Kmiecik A, Krzyżak E, Pietrowska A, Moskal J, Podhorska-Okołów M, Podbielska H, Dzięgiel P. Multimodal study of CHI3L1 inhibition and its effect on angiogenesis, migration, immune response and refractive index of cellular structures in glioblastoma. Biomed Pharmacother 2023; 161:114520. [PMID: 36921538 DOI: 10.1016/j.biopha.2023.114520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 02/27/2023] [Accepted: 03/09/2023] [Indexed: 03/18/2023] Open
Abstract
Glioblastoma is one of the most aggressive tumours with a poor response to treatment and a poor prognosis for patients. One of the proteins expressed in glioblastoma tissue is CHI3L1 (YKL-40), which is upregulated and known for its angiogenesis-supporting and pro-tumour immunomodulatory effects in a variety of cancers. In this paper we present the anti-angiogenic, anti-migratory and immunomodulatory effects of the compound G721-0282, an inhibitor of CHI3L1. The inhibitor-induced changes were investigated using conventional techniques as well as the novel label-free digital holographic tomography (DHT), a quantitative phase imaging technique that allows the reconstruction of the refractive index (RI), which is used as an image contrast for 3D visualisation of living cells. DHT allowed digital staining of individual cells and intercellular structures based only on their specific RI. Quantitative spatially resolved analysis of the RI data shows that the concentration of G721-0282 leads to significant changes in the density of cells and their intracellular structures (in particular the cytoplasm and nucleus), in the volume of lipid droplets and in protein concentrations. Studies in the U-87 MG glioblastoma cell line, THP-1 monocytes differentiated into macrophages, human microvascular endothelial cells (HMEC-1) and in the spheroid model of glioblastoma composed of U-87 MG, HMEC-1 and macrophages suggest that inhibition of CHI3L1 may have potential in the antitumour treatment of glioblastoma. In this paper, we also propose a spheroid model for in vitro studies that mimics this type of tumour.
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Affiliation(s)
- Agnieszka Rusak
- Division of Histology and Embryology, Department of Human Morphology and Embryology, Faculty of Medicine, Wroclaw Medical University, T. Chalubinskiego 6a St., 50-368 Wroclaw, Poland.
| | - Igor Buzalewicz
- Department of Biomedical Engineering, Faculty of Fundamental Problems of Technology, Wroclaw University of Science and Technology, 27 Wybrzeze S. Wyspianskiego St., 50-370 Wroclaw, Poland.
| | - Monika Mrozowska
- Division of Histology and Embryology, Department of Human Morphology and Embryology, Faculty of Medicine, Wroclaw Medical University, T. Chalubinskiego 6a St., 50-368 Wroclaw, Poland.
| | - Benita Wiatrak
- Department of Pharmacology, Faculty of Medicine, J. Mikulicza-Radeckiego 2 Street, 50-345 Wroclaw, Poland.
| | - Katarzyna Haczkiewicz-Leśniak
- Department of Ultrastructural Research, Faculty of Medicine, Wroclaw Medical University, T. Chalubinskiego 6a St, 50-368 Wroclaw, Poland.
| | - Mateusz Olbromski
- Division of Histology and Embryology, Department of Human Morphology and Embryology, Faculty of Medicine, Wroclaw Medical University, T. Chalubinskiego 6a St., 50-368 Wroclaw, Poland.
| | - Alicja Kmiecik
- Division of Histology and Embryology, Department of Human Morphology and Embryology, Faculty of Medicine, Wroclaw Medical University, T. Chalubinskiego 6a St., 50-368 Wroclaw, Poland.
| | - Edward Krzyżak
- Department of Basic Chemical Sciences, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211A St., 50-556 Wroclaw, Poland.
| | - Aleksandra Pietrowska
- Department of Biomedical Engineering, Faculty of Fundamental Problems of Technology, Wroclaw University of Science and Technology, 27 Wybrzeze S. Wyspianskiego St., 50-370 Wroclaw, Poland.
| | - Jakub Moskal
- Department of Neurosurgery, Poznan University of Medical Sciences, S. Przybyszewskiego 49 St., 60-355 Poznan, Poland.
| | - Marzenna Podhorska-Okołów
- Department of Ultrastructural Research, Faculty of Medicine, Wroclaw Medical University, T. Chalubinskiego 6a St, 50-368 Wroclaw, Poland.
| | - Halina Podbielska
- Department of Biomedical Engineering, Faculty of Fundamental Problems of Technology, Wroclaw University of Science and Technology, 27 Wybrzeze S. Wyspianskiego St., 50-370 Wroclaw, Poland.
| | - Piotr Dzięgiel
- Division of Histology and Embryology, Department of Human Morphology and Embryology, Faculty of Medicine, Wroclaw Medical University, T. Chalubinskiego 6a St., 50-368 Wroclaw, Poland; Department of Physiotherapy, University School of Physical Education, I. Paderewskiego 35 Al., 51-612 Wroclaw, Poland.
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11
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Hao G, Sun J, Zhong T, Xue Q, Zou Y. Association of serum YKL-40 change with prognosis in acute ischemic stroke patients complicated with diabetes mellitus. Biomark Med 2023; 17:253-263. [PMID: 37256280 DOI: 10.2217/bmm-2023-0108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023] Open
Abstract
Objective: This study intended to explore the serum YKL-40 change and its prognostic implication in acute ischemic stroke (AIS) patients with diabetes mellitus (DM). Methods: YKL-40 was detected from serum by ELISA in 121 AIS patients with DM at baseline, day (D)1, D3, D7 and D30 after disease onset. Results: YKL-40 increased from baseline to D3, then decreased until D30 (p < 0.001). Notably, 20.7% of patients had stroke recurrence, and 6.6% of patients died during follow-up. YKL-40 at D1 (p = 0.043), D7 (p = 0.007) and D30 (p = 0.001) predicted higher stroke recurrence risk; additionally, YKL-40 at D3 (p = 0.010), D7 (p = 0.007) and D30 (p = 0.002) estimated higher mortality risk. Conclusion: Serum YKL-40 has a prognostic effect on the management of AIS patients with DM.
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Affiliation(s)
- Guang Hao
- Internal Medicine-Neurology, The First Affiliated Hospital of Hebei North University, Zhangjiakou, 075000, China
| | - Jian Sun
- Internal Medicine-Neurology, The First Affiliated Hospital of Hebei North University, Zhangjiakou, 075000, China
| | - Tingting Zhong
- Internal Medicine-Neurology, The First Affiliated Hospital of Hebei North University, Zhangjiakou, 075000, China
| | - Qian Xue
- Internal Medicine-Neurology, The First Affiliated Hospital of Hebei North University, Zhangjiakou, 075000, China
| | - Yu'an Zou
- Internal Medicine-Neurology, The First Affiliated Hospital of Hebei North University, Zhangjiakou, 075000, China
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12
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Pediatric obesity and severe asthma: Targeting pathways driving inflammation. Pharmacol Res 2023; 188:106658. [PMID: 36642111 DOI: 10.1016/j.phrs.2023.106658] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 01/04/2023] [Accepted: 01/10/2023] [Indexed: 01/13/2023]
Abstract
Asthma affects more than 300 million people of all ages worldwide, including about 10-15% of school-aged children, and its prevalence is increasing. Severe asthma (SA) is a particular and rare phenotype requiring treatment with high-dose inhaled corticosteroids plus a second controller and/or systemic glucocorticoid courses to achieve symptom control or remaining "uncontrolled" despite this therapy. In SA, other diagnoses have been excluded, and potential exacerbating factors have been addressed. Notably, obese asthmatics are at higher risk of developing SA. Obesity is both a major risk factor and a disease modifier of asthma in children and adults: two main "obese asthma" phenotypes have been described in childhood with high or low levels of Type 2 inflammation biomarkers, respectively, the former characterized by early onset and eosinophilic inflammation and the latter by neutrophilic inflammation and late-onset. Nevertheless, the interplay between obesity and asthma is far more complex and includes obese tissue-driven inflammatory pathways, mechanical factors, comorbidities, and poor response to corticosteroids. This review outlines the most recent findings on SA in obese children, particularly focusing on inflammatory pathways, which are becoming of pivotal importance in order to identify selective targets for specific treatments, such as biological agents.
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13
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hUC-MSCs Attenuate Acute Graft-Versus-Host Disease through Chi3l1 Repression of Th17 Differentiation. Stem Cells Int 2022; 2022:1052166. [PMID: 36277038 PMCID: PMC9582900 DOI: 10.1155/2022/1052166] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 06/04/2022] [Indexed: 11/23/2022] Open
Abstract
Mesenchymal stem cells (MSCs) have already demonstrated definitive evidence of their clinical benefits in acute graft-versus-host disease (aGvHD) and other inflammatory diseases. However, the comprehensive mechanism of MSCs' immunomodulation properties has not been elucidated. To reveal their potential immunosuppressive molecules, we used RNA sequencing to analyze gene expression in different tissue-derived MSCs, including human bone marrow, umbilical cord, amniotic membrane, and placenta, and found that chitinase-3-like protein 1 (Chi3l1) was highly expressed in human umbilical cord mesenchymal stem cells (hUC-MSCs). We found that hUC-MSCs treated with interferon-gamma (IFN-γ) and tumor necrosis factor-alpha (TNF-α) exhibited increased expression of Chi3l1 and concurrently repressed T-helper 17 cell (Th17) differentiation through inhibition of signal transducer and activator of transcription 3 (STAT3) activation. Furthermore, Chi3l1 knockdown hUC-MSCs exhibited impaired therapeutic efficacy in aGvHD mice with an increased inflammatory response by promoting Th17 cell differentiation, including an increase in IL-17A in the spleen, intestine, and serum. Collectively, these results reveal a new immunosuppressive molecule, Chi3l1, in hUC-MSCs in the treatment of aGvHD that regulates Th17 differentiation and inhibits STAT3 activation. These novel insights into the mechanisms of hUC-MSC immunoregulation may lead to the consistent production of hUC-MSCs with strong immunosuppressive functions and thus improved clinical utility.
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14
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Ham HJ, Lee YS, Lee HP, Ham YW, Yun J, Han SB, Hong JT. G721-0282 Exerts Anxiolytic-Like Effects on Chronic Unpredictable Mild Stress in Mice Through Inhibition of Chitinase-3-Like 1-Mediated Neuroinflammation. Front Cell Neurosci 2022; 16:793835. [PMID: 35345530 PMCID: PMC8957088 DOI: 10.3389/fncel.2022.793835] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 02/02/2022] [Indexed: 11/30/2022] Open
Abstract
Chronic stress is thought to be a major contributor to the onset of mental disorders such as anxiety disorders. Several studies have demonstrated a correlation between anxiety state and neuroinflammation, but the detailed mechanism is unclear. Chitinase-3-like 1 (CHI3L1) is expressed in several chronic inflammatorily damaged tissues and is well known to play a major role in mediating inflammatory responses. In the present study, we investigated the anxiolytic-like effect of N-Allyl-2-[(6-butyl-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidin-5-yl)sulfanyl]acetamide (G721-0282), an inhibitor of CHI3L1, on mice treated with chronic unpredictable mild stress (CUMS), as well as the mechanism of its action. We examined the anxiolytic-like effect of G721-0282 by conducting several behavioral tests with oral administration of G721-0282 to CUMS-treated BALB/c male mice. We found that administration of G721-0282 relieves CUMS-induced anxiety. Anxiolytic-like effects of G721-0282 have been shown to be associated with decreased expressions of CUMS-induced inflammatory proteins and cytokines in the hippocampus. The CUMS-elevated levels of CHI3L1 and IGFBP3 were inhibited by treatment with G721-0282 in vivo and in vitro. However, CHI3L1 deficiency abolished the anti-inflammatory effects of G721-0282 in microglial BV-2 cells. These results suggest that G721-0282 could lower CUMS-induced anxiety like behaviors by regulating IGFBP3-mediated neuroinflammation via inhibition of CHI3L1.
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Affiliation(s)
- Hyeon Joo Ham
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, South Korea
| | - Yong Sun Lee
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, South Korea
| | - Hee Pom Lee
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, South Korea
| | - Young Wan Ham
- Department of Chemistry, Utah Valley University, Orem, UT, United States
| | - Jaesuk Yun
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, South Korea
| | - Sang Bae Han
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, South Korea
| | - Jin Tae Hong
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, South Korea
- *Correspondence: Jin Tae Hong,
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15
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Mank MM, Reed LF, Walton CJ, Barup MLT, Ather JL, Poynter ME. Therapeutic ketosis decreases methacholine hyperresponsiveness in mouse models of inherent obese asthma. Am J Physiol Lung Cell Mol Physiol 2022; 322:L243-L257. [PMID: 34936508 PMCID: PMC8782644 DOI: 10.1152/ajplung.00309.2021] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 12/13/2021] [Accepted: 12/17/2021] [Indexed: 02/03/2023] Open
Abstract
Obese asthmatics tend to have severe, poorly controlled disease and exhibit methacholine hyperresponsiveness manifesting in proximal airway narrowing and distal lung tissue collapsibility. Substantial weight loss in obese asthmatics or in mouse models of the condition decreases methacholine hyperresponsiveness. Ketone bodies are rapidly elevated during weight loss, coinciding with or preceding relief from asthma-related comorbidities. As ketone bodies may exert numerous potentially therapeutic effects, augmenting their systemic concentrations is being targeted for the treatment of several conditions. Circulating ketone body levels can be increased by feeding a ketogenic diet or by providing a ketone ester dietary supplement, which we hypothesized would exert protective effects in mouse models of inherent obese asthma. Weight loss induced by feeding a low-fat diet to mice previously fed a high-fat diet was preceded by increased urine and blood levels of the ketone body β-hydroxybutyrate (BHB). Feeding a ketogenic diet for 3 wk to high-fat diet-fed obese mice or genetically obese db/db mice increased BHB concentrations and decreased methacholine hyperresponsiveness without substantially decreasing body weight. Acute ketone ester administration decreased methacholine responsiveness of normal mice, and dietary ketone ester supplementation of high-fat diet-fed mice decreased methacholine hyperresponsiveness. Ketone ester supplementation also transiently induced an "antiobesogenic" gut microbiome with a decreased Fermicutes/Bacteroidetes ratio. Dietary interventions to increase systemic BHB concentrations could provide symptom relief for obese asthmatics without the need for the substantial weight loss required of patients to elicit benefits to their asthma through bariatric surgery or other diet or lifestyle alterations.
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Affiliation(s)
- Madeleine M Mank
- Division of Pulmonary Disease and Critical Care, Department of Medicine, University of Vermont, Burlington, Vermont
- The Vermont Lung Center, Burlington, Vermont
| | - Leah F Reed
- Division of Pulmonary Disease and Critical Care, Department of Medicine, University of Vermont, Burlington, Vermont
- The Vermont Lung Center, Burlington, Vermont
| | - Camille J Walton
- Division of Pulmonary Disease and Critical Care, Department of Medicine, University of Vermont, Burlington, Vermont
- The Vermont Lung Center, Burlington, Vermont
| | - Madison L T Barup
- Division of Pulmonary Disease and Critical Care, Department of Medicine, University of Vermont, Burlington, Vermont
- The Vermont Lung Center, Burlington, Vermont
| | - Jennifer L Ather
- Division of Pulmonary Disease and Critical Care, Department of Medicine, University of Vermont, Burlington, Vermont
- The Vermont Lung Center, Burlington, Vermont
| | - Matthew E Poynter
- Division of Pulmonary Disease and Critical Care, Department of Medicine, University of Vermont, Burlington, Vermont
- The Vermont Lung Center, Burlington, Vermont
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16
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Kamle S, Ma B, He CH, Akosman B, Zhou Y, Lee CM, El-Deiry WS, Huntington K, Liang O, Machan JT, Kang MJ, Shin HJ, Mizoguchi E, Lee CG, Elias JA. Chitinase 3-like-1 is a therapeutic target that mediates the effects of aging in COVID-19. JCI Insight 2021; 6:e148749. [PMID: 34747367 PMCID: PMC8663553 DOI: 10.1172/jci.insight.148749] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 09/29/2021] [Indexed: 01/08/2023] Open
Abstract
COVID-19 is caused by SARS-CoV-2 (SC2) and is more prevalent and severe in elderly and patients with comorbid diseases (CM). Because chitinase 3-like-1 (CHI3L1) is induced during aging and CM, the relationships between CHI3L1 and SC2 were investigated. Here, we demonstrate that CHI3L1 is a potent stimulator of the SC2 receptor angiotensin converting enzyme 2 (ACE2) and viral spike protein priming proteases (SPP), that ACE2 and SPP are induced during aging, and that anti-CHI3L1, kasugamycin, and inhibitors of phosphorylation abrogate these ACE2- and SPP-inductive events. Human studies also demonstrate that the levels of circulating CHI3L1 are increased in the elderly and patients with CM, where they correlate with COVID-19 severity. These studies demonstrate that CHI3L1 is a potent stimulator of ACE2 and SPP, that this induction is a major mechanism contributing to the effects of aging during SC2 infection, and that CHI3L1 co-opts the CHI3L1 axis to augment SC2 infection. CHI3L1 plays a critical role in the pathogenesis of and is an attractive therapeutic target in COVID-19.
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Affiliation(s)
| | - Bing Ma
- Molecular Microbiology and Immunology
| | | | | | - Yang Zhou
- Molecular Microbiology and Immunology
| | | | - Wafik S. El-Deiry
- Pathology and Laboratory Medicine
- Hematology-Oncology Division, Department of Medicine
- The Joint Program in Cancer Biology
- Cancer Center at Brown University, and
| | - Kelsey Huntington
- Pathology and Laboratory Medicine
- Hematology-Oncology Division, Department of Medicine
- The Joint Program in Cancer Biology
- Cancer Center at Brown University, and
| | - Olin Liang
- Hematology-Oncology Division, Department of Medicine
- The Joint Program in Cancer Biology
- Cancer Center at Brown University, and
| | - Jason T. Machan
- Department of Biostatistics, Lifespan Health System, Warren Alpert Medical School, Brown University, Providence, Rhode Island, USA
| | - Min-Jong Kang
- Section of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Hyeon Jun Shin
- Section of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Emiko Mizoguchi
- Molecular Microbiology and Immunology
- Department of Immunology, Kurume University, School of Medicine, Kurume, Fukuoka, Japan
| | | | - Jack A. Elias
- Molecular Microbiology and Immunology
- The Joint Program in Cancer Biology
- Cancer Center at Brown University, and
- Department of Medicine, Brown University, Providence, Rhode Island, USA
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17
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Jin Y, Song J, Xu F, Zhang D, He J, Zheng J, Zhang Y, Li J, Guo Y, Xu M, Yu X, Liu Y, Liu Q, Yan J. Association between YKL-40 and asthma: a systematic meta-analysis. Sleep Breath 2021; 26:1011-1022. [PMID: 34657273 DOI: 10.1007/s11325-021-02495-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 09/09/2021] [Accepted: 09/17/2021] [Indexed: 11/25/2022]
Abstract
PURPOSE Many studies have shown that chitinase-3-like protein 1 (CHI3L1), also known as YKL-40, is associated with asthma. The purpose of this meta-analysis was to evaluate the role of serum YKL-40 in the diagnosis and differential diagnosis of asthma, severity grading, and determination of disease state. METHODS The PubMed, Ovid, and Cochrane databases were searched. A total of 17 articles involving 5696 subjects were included in this meta-analysis. RESULTS The results showed that the level of YKL-40 was significantly higher in asthmatic patients than in the normal group regardless of age and residential location, and increased with severity and acute exacerbation (p < 0.05). YKL-40 levels were significantly different between chronic obstructive pulmonary disease (COPD) and asthma, and also between asthma-COPD overlap syndrome (ACO) and asthma (p < 0.05). CONCLUSION YKL-40 may act as a potential serological marker for the diagnosis of asthma, assessment of severity, indicator of the disease state, and differential diagnosis of COPD, ACO, and asthma.
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Affiliation(s)
- Yihan Jin
- Department of Respiratory Medicine, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Jie Song
- Department of Respiratory Medicine, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Fang Xu
- Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Di Zhang
- Department of Respiratory Medicine, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Jinfang He
- Department of Respiratory Medicine, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Jiakun Zheng
- Department of Respiratory Medicine, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Yanan Zhang
- Department of Respiratory Medicine, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Jintong Li
- Department of Respiratory Medicine, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Yikun Guo
- Department of Respiratory Medicine, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Mengjiao Xu
- Department of Respiratory Medicine, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Xiangfeng Yu
- Department of Respiratory Medicine, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Yanbin Liu
- Department of Respiratory Medicine, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Qinghua Liu
- Department of Respiratory Medicine, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Jun Yan
- Department of Respiratory Medicine, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, 100700, China.
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18
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Halayko AJ, Pascoe CD, Gereige JD, Peters MC, Cohen RT, Woodruff PG. Update in Adult Asthma 2020. Am J Respir Crit Care Med 2021; 204:395-402. [PMID: 34181860 DOI: 10.1164/rccm.202103-0552up] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
- Andrew J Halayko
- University of Manitoba, 8664, SECTION OF RESPIRATORY DISEASES, Winnipeg, Manitoba, Canada.,University of Manitoba, 8664, Biology of Breathing Group, Children's Hospital Research Institute of Manitoba, Winnipeg, Manitoba, Canada
| | - Christopher D Pascoe
- University of Manitoba, 8664, Physiology and Pathophysiology, Winnipeg, Manitoba, Canada.,University of Manitoba Children's Hospital Research Institute of Manitoba, 423136, Winnipeg, Manitoba, Canada
| | - Jessica D Gereige
- Boston University School of Medicine, 12259, Division of Pulmonary, Allergy, Sleep, and Critical Care Medicine, Department of Medicine, Boston, Massachusetts, United States
| | - Michael C Peters
- University of California San Francisco, 8785, Pulmonary and Critical Care, San Francisco, California, United States
| | - Robyn T Cohen
- Boston University School of Medicine, 12259, Pediatrics, Boston, Massachusetts, United States
| | - Prescott G Woodruff
- UCSF, 8785, Division of Pulmonary and Critical Care Medicine, Department of Medicine and CVRI, San Francisco, California, United States;
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19
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Chen YC, Kuo HP, Hsia SM, Wu HT, Pan WH, Lee YL. Life course body mass index through childhood and young adulthood and risks of asthma and pulmonary function impairment. Pediatr Pulmonol 2021; 56:849-857. [PMID: 33270354 DOI: 10.1002/ppul.25197] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 10/08/2020] [Accepted: 11/28/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Adiposity is a key risk factor for asthma and impaired pulmonary function. OBJECTIVES We aimed to identify the critical period of life course adiposity for asthma in childhood and young adulthood, and to determine whether associations of adiposity and asthma vary across ages. METHODS Birth weight and body mass index (BMI) from birth to 17 years of age were assessed in 6130 children from the Taiwan Children Health Study. Logistic regression for asthma outcome and linear regression for pulmonary function outcome were used to investigate associations of adiposity with asthma. Seventeen BMI-related single-nucleotide polymorphisms were used to obtain genetic instrumental variables for adiposity to perform Mendelian randomization (MR) analysis. RESULTS Using both regression model and MR analyses, we confirmed that the critical period of adiposity in predicting childhood asthma would be before age 6 years. Further, we discovered that the sensitive period of adiposity gain related to young adulthood asthma was the prepubertal stage. Risks of asthma at age 17 per unit increase in z-score of the BMI increased from 0.94 (95% CI: 0.79-1.11) at birth, and became greater than 1.00 between age 11 and 12, then increased to 1.08 (95% CI: 0.95-1.22) at age 17. The associations of life course BMI with asthma and pulmonary function impairment at age 12 and with asthma at age 17 increased with age. The aforementioned association was most prominent among central obesity indicators. CONCLUSIONS To prevent asthma in childhood and young adulthood, we should aim at promoting healthy growth at the toddler period and prepubertal stage.
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Affiliation(s)
- Yang-Ching Chen
- Department of Family Medicine, Taipei Medical University Hospital, Taipei, Taiwan, ROC
- Department of Family Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan, ROC
- School of Nutrition and Health Sciences, College of Nutrition, Taipei Medical University, Taipei, Taiwan, ROC
- Graduate Institute of Metabolism and Obesity Sciences, Taipei Medical University, Taipei, Taiwan, ROC
| | - Han-Pin Kuo
- Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan, ROC
| | - Shih-Min Hsia
- School of Nutrition and Health Sciences, College of Nutrition, Taipei Medical University, Taipei, Taiwan, ROC
- Graduate Institute of Metabolism and Obesity Sciences, Taipei Medical University, Taipei, Taiwan, ROC
| | - Hung-Tsung Wu
- Graduate Institute of Metabolism and Obesity Sciences, Taipei Medical University, Taipei, Taiwan, ROC
| | - Wen-Harn Pan
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan, ROC
| | - Yungling L Lee
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan, ROC
- College of Public Health, China Medical University, Taichung, Taiwan, ROC
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20
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Childhood Obesity and Respiratory Diseases: Which Link? CHILDREN-BASEL 2021; 8:children8030177. [PMID: 33669035 PMCID: PMC7996509 DOI: 10.3390/children8030177] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 02/16/2021] [Accepted: 02/18/2021] [Indexed: 12/14/2022]
Abstract
Prevalence of childhood obesity is progressively increasing, reaching worldwide levels of 5.6% in girls and of 7.8% in boys. Several evidences showed that obesity is a major preventable risk factor and disease modifier of some respiratory conditions such as asthma and Obstructive Sleep Apnea Syndrome (OSAS). Co-occurrence of asthma and obesity may be due to common pathogenetic factors including exposure to air pollutants and tobacco smoking, Western diet, and low Vitamin D levels. Lung growth and dysanapsis phenomenon in asthmatic obese children play a role in impaired respiratory function which appears to be different than in adults. Genes involved in both asthma and obesity have been identified, though a gene-by-environment interaction has not been properly investigated yet. The identification of modifiable environmental factors influencing gene expression through epigenetic mechanisms may change the natural history of both diseases. Another important pediatric respiratory condition associated with obesity is Sleep-Disordered Breathing (SDB), especially Obstructive Sleep Apnea Syndrome (OSAS). OSAS and obesity are linked by a bidirectional causality, where the effects of one affect the other. The factors most involved in the association between OSAS and obesity are oxidative stress, systemic inflammation, and gut microbiota. In OSAS pathogenesis, obesity's role appears to be mainly due to mechanical factors leading to an increase of respiratory work at night-time. However, a causal link between obesity-related inflammatory state and OSAS pathogenesis still needs to be properly confirmed. To prevent obesity and its complications, family education and precocious lifestyle changes are critical. A healthy diet may lead to an improved quality of life in obese children suffering from respiratory diseases. The present review aimed to investigate the links between obesity, asthma and OSAS, focusing on the available evidence and looking for future research fields.
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21
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Kamle S, Ma B, He CH, Akosman B, Zhou Y, Lee CM, El-Deiry WS, Huntington K, Liang O, Machan JT, Kang MJ, Shin HJ, Mizoguchi E, Lee CG, Elias JA. Chitinase 3-like-1 is a Therapeutic Target That Mediates the Effects of Aging in COVID-19. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2021:2021.01.05.425478. [PMID: 33442679 PMCID: PMC7805436 DOI: 10.1101/2021.01.05.425478] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
COVID-19 is caused by the SARS-CoV-2 (SC2) virus and is more prevalent and severe in the elderly and patients with comorbid diseases (CM). Because chitinase 3-like-1 (CHI3L1) is induced during aging and CM, the relationships between CHI3L1 and SC2 were investigated. Here we demonstrate that CHI3L1 is a potent stimulator of the SC2 receptor ACE2 and viral spike protein priming proteases (SPP), that ACE2 and SPP are induced during aging and that anti-CHI3L1, kasugamycin and inhibitors of phosphorylation, abrogate these ACE2- and SPP- inductive events. Human studies also demonstrated that the levels of circulating CHI3L1 are increased in the elderly and patients with CM where they correlate with COVID-19 severity. These studies demonstrate that CHI3L1 is a potent stimulator of ACE2 and SPP; that this induction is a major mechanism contributing to the effects of aging during SC2 infection and that CHI3L1 coopts the CHI3L1 axis to augment SC2 infection. CHI3L1 plays a critical role in the pathogenesis of and is an attractive therapeutic target in COVID-19.
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22
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Zhang S, Sousa A, Lin M, Iwano A, Jain R, Ma B, Lee CM, Park JW, Kamle S, Carlson R, Lee GG, Elias JA, Wands JR. Role of Chitinase 3-Like 1 Protein in the Pathogenesis of Hepatic Insulin Resistance in Nonalcoholic Fatty Liver Disease. Cells 2021; 10:201. [PMID: 33498326 PMCID: PMC7909438 DOI: 10.3390/cells10020201] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/15/2021] [Accepted: 01/17/2021] [Indexed: 02/08/2023] Open
Abstract
A recently discovered human glycoprotein, chitinase 3-like 1 (Chi3L1), may play a role in inflammation, tissue remodeling, and visceral fat accumulation. We hypothesize that Chi3L1 gene expression is important in the development of hepatic insulin resistance characterized by the generation of pAKT, pGSK, and pERK in wild type and Chi3L1 knockout (KO) murine liver following insulin stimulation. The Chi3L1 gene and protein expression was evaluated by Real Time PCR and ELISA; lipid accumulation in hepatocytes was also assessed. To alter Chi3L1 function, three different anti-Chi3L1 monoclonal antibodies (mAbs) were administered in vivo and effects on the insulin signaling cascade and hepatic lipid deposition were determined. Transmission of the hepatic insulin signal was substantially improved following KO of the CHi3L1 gene and there was reduced lipid deposition produced by a HFD. The HFD-fed mice exhibited increased Chi3L1 expression in the liver and there was impaired insulin signal transduction. All three anti-Chi3L1 mAbs partially restored hepatic insulin sensitivity which was associated with reduced lipid accumulation in hepatocytes as well. A KO of the Chi3L1 gene reduced lipid accumulation and improved insulin signaling. Therefore, Chi3L1 gene upregulation may be an important factor in the generation of NAFLD/NASH phenotype.
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Affiliation(s)
- Songhua Zhang
- Liver Research Center, Rhode Island Hospital and the Warren Alpert Medical School of Brown University, Providence, RI 02903, USA; (S.Z.); (A.S.); (M.L.); (A.I.); (R.J.); (R.C.)
| | - Aryanna Sousa
- Liver Research Center, Rhode Island Hospital and the Warren Alpert Medical School of Brown University, Providence, RI 02903, USA; (S.Z.); (A.S.); (M.L.); (A.I.); (R.J.); (R.C.)
| | - Mengqui Lin
- Liver Research Center, Rhode Island Hospital and the Warren Alpert Medical School of Brown University, Providence, RI 02903, USA; (S.Z.); (A.S.); (M.L.); (A.I.); (R.J.); (R.C.)
| | - Ayako Iwano
- Liver Research Center, Rhode Island Hospital and the Warren Alpert Medical School of Brown University, Providence, RI 02903, USA; (S.Z.); (A.S.); (M.L.); (A.I.); (R.J.); (R.C.)
| | - Rishubh Jain
- Liver Research Center, Rhode Island Hospital and the Warren Alpert Medical School of Brown University, Providence, RI 02903, USA; (S.Z.); (A.S.); (M.L.); (A.I.); (R.J.); (R.C.)
| | - Bing Ma
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI 02912, USA; (B.M.); (C.M.L.); (J.W.P.); (S.K.); (G.G.L.); (J.A.E.)
| | - Chang Min Lee
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI 02912, USA; (B.M.); (C.M.L.); (J.W.P.); (S.K.); (G.G.L.); (J.A.E.)
| | - Jin Wook Park
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI 02912, USA; (B.M.); (C.M.L.); (J.W.P.); (S.K.); (G.G.L.); (J.A.E.)
| | - Suchitra Kamle
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI 02912, USA; (B.M.); (C.M.L.); (J.W.P.); (S.K.); (G.G.L.); (J.A.E.)
| | - Rolf Carlson
- Liver Research Center, Rhode Island Hospital and the Warren Alpert Medical School of Brown University, Providence, RI 02903, USA; (S.Z.); (A.S.); (M.L.); (A.I.); (R.J.); (R.C.)
| | - Ghun Geun Lee
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI 02912, USA; (B.M.); (C.M.L.); (J.W.P.); (S.K.); (G.G.L.); (J.A.E.)
| | - Jack A. Elias
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI 02912, USA; (B.M.); (C.M.L.); (J.W.P.); (S.K.); (G.G.L.); (J.A.E.)
- Department of Medicine, Warren Alpert Medical School of Brown University, Providence, RI 02912, USA
| | - Jack R. Wands
- Liver Research Center, Rhode Island Hospital and the Warren Alpert Medical School of Brown University, Providence, RI 02903, USA; (S.Z.); (A.S.); (M.L.); (A.I.); (R.J.); (R.C.)
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23
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Bantulà M, Roca-Ferrer J, Arismendi E, Picado C. Asthma and Obesity: Two Diseases on the Rise and Bridged by Inflammation. J Clin Med 2021; 10:jcm10020169. [PMID: 33418879 PMCID: PMC7825135 DOI: 10.3390/jcm10020169] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 12/29/2020] [Accepted: 01/04/2021] [Indexed: 12/12/2022] Open
Abstract
Asthma and obesity are two epidemics affecting the developed world. The relationship between obesity and both asthma and severe asthma appears to be weight-dependent, causal, partly genetic, and probably bidirectional. There are two distinct phenotypes: 1. Allergic asthma in children with obesity, which worsens a pre-existing asthma, and 2. An often non allergic, late-onset asthma developing as a consequence of obesity. In obesity, infiltration of adipose tissue by macrophages M1, together with an increased expression of multiple mediators that amplify and propagate inflammation, is considered as the culprit of obesity-related inflammation. Adipose tissue is an important source of adipokines, such as pro-inflammatory leptin, produced in excess in obesity, and adiponectin with anti-inflammatory effects with reduced synthesis. The inflammatory process also involves the synthesis of pro-inflammatory cytokines such as IL-1β, IL-6, TNFα, and TGFβ, which also contribute to asthma pathogenesis. In contrast, asthma pro-inflammatory cytokines such as IL-4, IL-5, IL-13, and IL-33 contribute to maintain the lean state. The resulting regulatory effects of the immunomodulatory pathways underlying both diseases have been hypothesized to be one of the mechanisms by which obesity increases asthma risk and severity. Reduction of weight by diet, exercise, or bariatric surgery reduces inflammatory activity and improves asthma and lung function.
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Affiliation(s)
- Marina Bantulà
- Department of Internal Medicine, Hospital Clinic, Institut d’Investigació Biomèdica August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (M.B.); (J.R.-F.); (E.A.)
- Department of Medicine, University of Barcelona, 08036 Barcelona, Spain
| | - Jordi Roca-Ferrer
- Department of Internal Medicine, Hospital Clinic, Institut d’Investigació Biomèdica August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (M.B.); (J.R.-F.); (E.A.)
- Department of Medicine, University of Barcelona, 08036 Barcelona, Spain
- Centro de Investigaciones Biomédicas en Red de Enfermedades Respiratorias (CIBERES), 08036 Barcelona, Spain
| | - Ebymar Arismendi
- Department of Internal Medicine, Hospital Clinic, Institut d’Investigació Biomèdica August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (M.B.); (J.R.-F.); (E.A.)
- Department of Medicine, University of Barcelona, 08036 Barcelona, Spain
- Centro de Investigaciones Biomédicas en Red de Enfermedades Respiratorias (CIBERES), 08036 Barcelona, Spain
- Servei de Pneumologia, Hospital Clinic, 08036 Barcelona, Spain
| | - César Picado
- Department of Internal Medicine, Hospital Clinic, Institut d’Investigació Biomèdica August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (M.B.); (J.R.-F.); (E.A.)
- Department of Medicine, University of Barcelona, 08036 Barcelona, Spain
- Centro de Investigaciones Biomédicas en Red de Enfermedades Respiratorias (CIBERES), 08036 Barcelona, Spain
- Correspondence: ; Tel.: +34-93-227-5400
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24
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He CH, Lee CG, Ma B, Kamle S, Choi AMK, Elias JA. N-Glycosylation Regulates Chitinase 3-like-1 and IL-13 Ligand Binding to IL-13 Receptor α2. Am J Respir Cell Mol Biol 2020; 63:386-395. [PMID: 32402213 DOI: 10.1165/rcmb.2019-0446oc] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Chitinase 3-like-1 (Chi3l1) and IL-13 are both ligands of IL-13 receptor α2 (IL-13Rα2). The binding of the former activates mitogen-activated protein kinase, AKT, and Wnt/β-catenin signaling, and plays important roles in innate and adaptive immunity, cellular apoptosis, oxidative injury, allergic inflammation, tumor metastasis and wound healing, fibrosis, and repair in the lung. In contrast, the latter binding is largely a decoy event that diminishes the effects of IL-13. Here, we demonstrate that IL-13Rα2 N-glycosylation is a critical determinant of which ligand binds. Structure-function evaluations demonstrated that Chi3l1-IL-13Rα2 binding was increased when sites of N-glycosylation are mutated, and studies with tunicamycin and Peptide:N-glycosidase F (PNGase F) demonstrated that Chi3l1-IL-13Rα2 binding and signaling were increased when N-glycosylation was diminished. In contrast, structure-function experiments demonstrated that IL-13 binding to IL-13Rα2 was dependent on each of the four sites of N-glycosylation in IL-13Rα2, and experiments with tunicamycin and PNGase F demonstrated that IL-13-IL-13Rα2 binding was decreased when IL-13Rα2 N-glycosylation was diminished. Studies with primary lung epithelial cells also demonstrated that Chi3l1 inhibited, whereas IL-13 stimulated, N-glycosylation as evidenced by the ability of Chi3l1 to inhibit and IL-13 to stimulate the subunits of the oligosaccharide complex A and B (STT3A and STT3B). These studies demonstrate that N-glycosylation is a critical determinant of Chi3l1 and IL-13 binding to IL-13Rα2, and highlight the ability of Chi3l1 and IL-13 to alter key elements of the N-glycosylation apparatus in a manner that would augment their respective binding.
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Affiliation(s)
- Chuan Hua He
- Department of Molecular Microbiology and Immunology and
| | - Chun Geun Lee
- Department of Molecular Microbiology and Immunology and
| | - Bing Ma
- Department of Molecular Microbiology and Immunology and
| | | | - Augustine M K Choi
- Department of Pulmonary and Critical Care Medicine, Weill Cornell Medicine, New York, New York
| | - Jack A Elias
- Department of Molecular Microbiology and Immunology and.,Department of Medicine, Brown University, Providence, Rhode Island; and
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25
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Chitinase-3 like-protein-1 function and its role in diseases. Signal Transduct Target Ther 2020; 5:201. [PMID: 32929074 PMCID: PMC7490424 DOI: 10.1038/s41392-020-00303-7] [Citation(s) in RCA: 209] [Impact Index Per Article: 52.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 07/28/2020] [Accepted: 08/20/2020] [Indexed: 12/12/2022] Open
Abstract
Non-enzymatic chitinase-3 like-protein-1 (CHI3L1) belongs to glycoside hydrolase family 18. It binds to chitin, heparin, and hyaluronic acid, and is regulated by extracellular matrix changes, cytokines, growth factors, drugs, and stress. CHI3L1 is synthesized and secreted by a multitude of cells including macrophages, neutrophils, synoviocytes, chondrocytes, fibroblast-like cells, smooth muscle cells, and tumor cells. It plays a major role in tissue injury, inflammation, tissue repair, and remodeling responses. CHI3L1 has been strongly associated with diseases including asthma, arthritis, sepsis, diabetes, liver fibrosis, and coronary artery disease. Moreover, following its initial identification in the culture supernatant of the MG63 osteosarcoma cell line, CHI3L1 has been shown to be overexpressed in a wealth of both human cancers and animal tumor models. To date, interleukin-13 receptor subunit alpha-2, transmembrane protein 219, galectin-3, chemo-attractant receptor-homologous 2, and CD44 have been identified as CHI3L1 receptors. CHI3L1 signaling plays a critical role in cancer cell growth, proliferation, invasion, metastasis, angiogenesis, activation of tumor-associated macrophages, and Th2 polarization of CD4+ T cells. Interestingly, CHI3L1-based targeted therapy has been increasingly applied to the treatment of tumors including glioma and colon cancer as well as rheumatoid arthritis. This review summarizes the potential roles and mechanisms of CHI3L1 in oncogenesis and disease pathogenesis, then posits investigational strategies for targeted therapies.
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26
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Yu T, Niu W, Niu H, Duan R, Dong F, Yang T. Chitinase 3-like 1 polymorphisms and risk of chronic obstructive pulmonary disease and asthma in a Chinese population. J Gene Med 2020; 22:e3208. [PMID: 32367614 DOI: 10.1002/jgm.3208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 04/23/2020] [Accepted: 04/25/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Chitinase 3-like 1 (CHI3L1) plays an important role in airway inflammation and tissue remodeling; however, its pathogenic role in lung diseases remains unclear. In the present study, we investigated whether CHI3L1 polymorphisms are associated with the risk of chronic obstructive pulmonary disease (COPD) and asthma in a Chinese population. METHODS We detected seven single nucleotide polymorphisms in CHI3L1 among 361 patients and 527 age- and sex-matched control subjects. We analysed genotype and allele distributions using Stata software (StataCorp,CollegeStation,TX,USA). We used haplotype disease analysis and haplotype phenotype analysis to assess the relationship between seven polymorphisms and the risk of COPD and asthma. RESULTS The results showed significant differences between controls and patients with COPD/asthma in the genotype distributions of the polymorphism rs4950928. Additionally, significant differences were observed in the genotype and allele distributions of rs10399805 and rs10399931 between COPD patients and controls. Moreover, the frequencies of haplotype G-G-T-G-T-C-G, G-G-T-G-T-C-C and G-A-T-G-T-C-G (alleles of rs12141494, rs7542294, rs880633, rs10399805, rs10399931, rs946261 and rs4950928, respectively) were significantly higher in patients with COPD. Consideration of the haplotypes of these seven single nucleotide polymorphisms in CHI3L1 in asthma patients revealed a significant association with homocysteine levels (p < 0.001). CONCLUSIONS Our findings suggest that the CHI3L1 polymorphisms rs4950928, rs10399805 and rs10399931 can be used as genetic markers for predicting COPD and asthma risk in the Chinese population.
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Affiliation(s)
- Tao Yu
- Department of Pulmonary and Critical Care Medicine, China-Japan Friendship Hospital, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Science, Beijing, China.,Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
| | - Wenquan Niu
- Department of Pulmonary and Critical Care Medicine, China-Japan Friendship Hospital, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Science, Beijing, China
| | - Hongtao Niu
- Department of Pulmonary and Critical Care Medicine, China-Japan Friendship Hospital, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Science, Beijing, China
| | - Ruirui Duan
- Department of Pulmonary and Critical Care Medicine, China-Japan Friendship Hospital, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Science, Beijing, China.,Peking University Health Science Center, Beijing, China
| | - Fen Dong
- Department of Pulmonary and Critical Care Medicine, China-Japan Friendship Hospital, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Science, Beijing, China
| | - Ting Yang
- Department of Pulmonary and Critical Care Medicine, China-Japan Friendship Hospital, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Science, Beijing, China
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27
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Dy ABC, Ledford JG. IL-13Rα2 Glycosylation Holds the Dance Card for Partnering with IL-13. Am J Respir Cell Mol Biol 2020; 63:277-278. [PMID: 32459972 PMCID: PMC7462345 DOI: 10.1165/rcmb.2020-0165ed] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Affiliation(s)
- Alane B C Dy
- Department of Cellular and Molecular Medicine University of Arizona Tucson, Arizona
| | - Julie G Ledford
- Department of Cellular and Molecular Medicine University of Arizona Tucson, Arizona
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28
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Mensink-Bout SM, Santos S, van Meel ER, Oei EHG, de Jongste JC, Jaddoe VWV, Duijts L. General and Organ Fat Assessed by Magnetic Resonance Imaging and Respiratory Outcomes in Childhood. Am J Respir Crit Care Med 2020; 201:348-355. [PMID: 31597047 DOI: 10.1164/rccm.201905-0942oc] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Rationale: Obesity has been implicated as a pathogenic factor in asthma, but the underlying role of general and organ fat is unclear.Objectives: We hypothesized that organ fat, rather than the total fat mass, increases the risk of asthma.Methods: In a population-based prospective cohort study among 5,421 children aged 10 years, we measured general fat including body mass index and fat mass index by dual-energy X-ray absorptiometry, and organ fat including subcutaneous fat index, visceral fat index, pericardial fat index, and liver fat fraction by magnetic resonance imaging. Lung function was measured by spirometry. Current asthma was assessed by questionnaire.Measurements and Main Results: Higher body mass index and fat mass index were associated with higher FEV1 (z-score difference [95% confidence interval (CI)], 0.16 [0.14 to 0.19] and z-score difference [95% CI], 0.06 [0.03 to 0.09] per SD score increase, respectively), higher FVC (z-score difference [95% CI], 0.19 [0.17 to 0.22] and z-score difference [95% CI], 0.07 [0.04 to 0.10]), and lower FEV1/FVC ratio (z-score difference [95% CI], -0.07 [-0.10 to -0.05] and z-score difference [95% CI], -0.03 [-0.06 to -0.00]) but not with forced expiratory flow after exhaling 75% of FVC or asthma. Higher visceral fat index, independent of fat mass index, was associated with higher FVC (z-score difference [95% CI], 0.07 [0.03 to 0.10]), lower FEV1/FVC (z-score difference [95% CI], -0.05 [-0.09 to -0.01]), and higher risk of asthma (odds ratio, 1.20; 95% CI, 1.01 to 1.43 per SD score increase). No other organ fat measures were independently associated with lung function or asthma.Conclusions: The obesity-asthma link is driven mainly by visceral fat, independent of total fat mass; therefore, abdominal fat might contribute to asthma development.
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Affiliation(s)
- Sara M Mensink-Bout
- The Generation R Study Group.,Division of Respiratory Medicine and Allergology and
| | - Susana Santos
- The Generation R Study Group.,Department of Pediatrics, and
| | - Evelien R van Meel
- The Generation R Study Group.,Division of Respiratory Medicine and Allergology and
| | - Edwin H G Oei
- Department of Radiology and Nuclear Medicine, Erasmus Medical Center, University Medical Center, Rotterdam, the Netherlands
| | | | | | - Liesbeth Duijts
- Division of Respiratory Medicine and Allergology and.,Division of Neonatology
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29
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Forno E. Moving Beyond the Confines of Body Mass Index in the Quest to Understand Obese Asthma. Am J Respir Crit Care Med 2020; 201:271-272. [PMID: 31682481 PMCID: PMC6999093 DOI: 10.1164/rccm.201910-2031ed] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Affiliation(s)
- Erick Forno
- Department of PediatricsUniversity of Pittsburgh School of MedicinePittsburgh, Pennsylvaniaand.,Division of Pulmonary MedicineChildren's Hospital of PittsburghPittsburgh, Pennsylvania
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30
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Przysucha N, Górska K, Krenke R. Chitinases and Chitinase-Like Proteins in Obstructive Lung Diseases - Current Concepts and Potential Applications. Int J Chron Obstruct Pulmon Dis 2020; 15:885-899. [PMID: 32368034 PMCID: PMC7185641 DOI: 10.2147/copd.s236640] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Accepted: 03/10/2020] [Indexed: 01/14/2023] Open
Abstract
Chitinases, enzymes that cleave chitin’s chain to low molecular weight chitooligomers, are widely distributed in nature. Mammalian chitinases belong to the 18-glycosyl-hydrolase family and can be divided into two groups: true chitinases with enzymatic activity (AMCase and chitotriosidase) and chitinase-like proteins (CLPs) molecules which can bind to chitin or chitooligosaccharides but lack enzymatic activity (eg, YKL-40). Chitinases are thought to be part of an innate immunity against chitin-containing parasites and fungal infections. Both groups of these hydrolases are lately evaluated also as chemical mediators or biomarkers involved in airway inflammation and fibrosis. The aim of this article is to present the current knowledge on the potential role of human chitinases and CLPs in the pathogenesis, diagnosis, and course of obstructive lung diseases. We also assessed the potential role of chitinase and CLPs inhibitors as therapeutic targets in chronic obstructive pulmonary disease and asthma.
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Affiliation(s)
- Natalia Przysucha
- Department of Internal Medicine, Pulmonary Diseases and Allergy, Medical University of Warsaw, Warsaw, Poland
| | - Katarzyna Górska
- Department of Internal Medicine, Pulmonary Diseases and Allergy, Medical University of Warsaw, Warsaw, Poland
| | - Rafal Krenke
- Department of Internal Medicine, Pulmonary Diseases and Allergy, Medical University of Warsaw, Warsaw, Poland
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31
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Rahmani B, Gandhi J, Joshi G, Smith NL, Reid I, Khan SA. The Role of Diabetes Mellitus in Diseases of the Gallbladder and Biliary Tract. Curr Diabetes Rev 2020; 16:931-948. [PMID: 32133965 DOI: 10.2174/1573399816666200305094727] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Revised: 02/18/2020] [Accepted: 02/21/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND The increasing prevalence of diabetes mellitus worldwide continues to pose a heavy burden. Though its gastrointestinal impact is appropriately recognized, the lesser known associations may be overlooked. OBJECTIVE We aim to review the negative implications of diabetes on the gallbladder and the biliary tract. METHODS A MEDLINE® database search of literature was conducted with emphasis on the previous five years, combining keywords such as "diabetes," "gallbladder," and "biliary". RESULTS The association of diabetes to the formation of gallstones, gallbladder cancer, and cancer of the biliary tract are discussed along with diagnosis and treatment. CONCLUSION Though we uncover the role of diabetic neuropathy in gallbladder and biliary complications, the specific individual diabetic risk factors behind these developments is unclear. Also, in addition to diabetes control and surgical gallbladder management, the treatment approach also requires further focus.
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Affiliation(s)
- Benjamin Rahmani
- Department of Physiology and Biophysics, Renaissance School of Medicine at Stony Brook University, Stony Brook,
NY, USA
| | - Jason Gandhi
- Department of Physiology and Biophysics, Renaissance School of Medicine at Stony Brook University, Stony Brook,
NY, USA
- Medical Student Research Institute, St. George’s University School of Medicine, Grenada, West Indies
| | - Gunjan Joshi
- Department of Internal Medicine, Stony Brook Southampton Hospital, Southampton, NY, USA
| | | | - Inefta Reid
- Department of Physiology and Biophysics, Renaissance School of Medicine at Stony Brook University, Stony Brook,
NY, USA
| | - Sardar Ali Khan
- Department of Physiology and Biophysics, Renaissance School of Medicine at Stony Brook University, Stony Brook,
NY, USA
- Department of Urology, Renaissance School of Medicine at Stony Brook University, Stony Brook, NY, USA
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32
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Villeneuve T, Guilleminault L. [Asthma and obesity in adults]. Rev Mal Respir 2019; 37:60-74. [PMID: 31866123 DOI: 10.1016/j.rmr.2019.03.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 03/06/2019] [Indexed: 12/31/2022]
Abstract
Asthma is a chronic inflammatory airway disorder characterized by a multitude of phenotypes. Epidemiological studies show an increase in asthma prevalence in obese patients regardless of age. The association of asthma and obesity is now considered as a phenotype with its own clinical, biological and functional characteristics. Regarding the pathophysiology of asthma and obesity, numerous factors such as nutrition, genetic predisposition, microbiome, ventilatory mechanics and the role of adipose tissue have been identified to explain the heterogeneous characteristics of patients with asthma and obesity. In adult patients with asthma and obesity, respiratory symptoms are particularly prominent and atopy and eosinophilic inflammation is uncommon compared to normal weight asthma patients. Obese asthma patients experience more hospitalizations and use more rescue medications than normal weight asthmatics. Management of asthma in obese patients is complex because these patients have less response to the usual anti-asthmatic treatments. Weight loss through caloric restriction combined with exercise is the main intervention to obtain improvement of asthma outcomes. Bariatric surgery is an invasive procedure with interesting results.
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Affiliation(s)
- T Villeneuve
- Pôles des voies respiratoires, hôpital Larrey, CHU de Toulouse, 24, chemin de Pouvourville, TSA 30030, 31059 Toulouse cedex 9, France
| | - L Guilleminault
- Pôles des voies respiratoires, hôpital Larrey, CHU de Toulouse, 24, chemin de Pouvourville, TSA 30030, 31059 Toulouse cedex 9, France; Centre de physiopathologie de Toulouse Purpan (CPTP-U1043, Inserm, équipe 12), UPS, Toulouse, France.
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33
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Guguen C, Launois C, Dormoy V, Dewolf M, Dumazet A, Dury S, Lebargy F, Deslee G, Perotin JM. [Obesity and asthma: Mechanisms and therapeutic options]. Rev Mal Respir 2019; 37:134-143. [PMID: 31864881 DOI: 10.1016/j.rmr.2019.03.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 03/06/2019] [Indexed: 12/22/2022]
Abstract
Asthma and obesity are both common conditions, which lead to a substantial public health burden. The obese-asthma phenotype is characterized by poor asthma control, impaired lung function and decreased efficacy of inhaled treatment. However, this phenotype is highly heterogeneous and involves numerous mechanisms, including systemic inflammation and adipokines. A role for microbiota modifications and genetics has been suggested. Obese-asthma patient management currently consists in weight loss and usual anti-asthmatic treatment. New therapeutic options are being evaluated.
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Affiliation(s)
- C Guguen
- Service des maladies respiratoires, Inserm UMR-S 1250, CHU de Reims, 45, rue Cognacq-Jay, 51100 Reims, France
| | - C Launois
- Service des maladies respiratoires, Inserm UMR-S 1250, CHU de Reims, 45, rue Cognacq-Jay, 51100 Reims, France
| | - V Dormoy
- Service des maladies respiratoires, Inserm UMR-S 1250, CHU de Reims, 45, rue Cognacq-Jay, 51100 Reims, France
| | - M Dewolf
- Service des maladies respiratoires, Inserm UMR-S 1250, CHU de Reims, 45, rue Cognacq-Jay, 51100 Reims, France
| | - A Dumazet
- Service des maladies respiratoires, Inserm UMR-S 1250, CHU de Reims, 45, rue Cognacq-Jay, 51100 Reims, France
| | - S Dury
- Service des maladies respiratoires, Inserm UMR-S 1250, CHU de Reims, 45, rue Cognacq-Jay, 51100 Reims, France
| | - F Lebargy
- Service des maladies respiratoires, Inserm UMR-S 1250, CHU de Reims, 45, rue Cognacq-Jay, 51100 Reims, France
| | - G Deslee
- Service des maladies respiratoires, Inserm UMR-S 1250, CHU de Reims, 45, rue Cognacq-Jay, 51100 Reims, France
| | - J-M Perotin
- Service des maladies respiratoires, Inserm UMR-S 1250, CHU de Reims, 45, rue Cognacq-Jay, 51100 Reims, France.
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Castillejo-Lopez C, Pjanic M, Pirona AC, Hetty S, Wabitsch M, Wadelius C, Quertermous T, Arner E, Ingelsson E. Detailed Functional Characterization of a Waist-Hip Ratio Locus in 7p15.2 Defines an Enhancer Controlling Adipocyte Differentiation. iScience 2019; 20:42-59. [PMID: 31557715 PMCID: PMC6817687 DOI: 10.1016/j.isci.2019.09.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 07/10/2019] [Accepted: 09/05/2019] [Indexed: 12/22/2022] Open
Abstract
We combined CAGE sequencing in human adipocytes during differentiation with data from genome-wide association studies to identify an enhancer in the SNX10 locus on chromosome 7, presumably involved in body fat distribution. Using reporter assays and CRISPR-Cas9 gene editing in human cell lines, we characterized the role of the enhancer in adipogenesis. The enhancer was active during adipogenesis and responded strongly to insulin and isoprenaline. The allele associated with increased waist-hip ratio in human genetic studies was associated with higher enhancer activity. Mutations of the enhancer resulted in less adipocyte differentiation. RNA sequencing of cells with disrupted enhancer showed reduced expression of established adipocyte markers, such as ADIPOQ and LPL, and identified CHI3L1 on chromosome 1 as a potential gene involved in adipocyte differentiation. In conclusion, we identified and characterized an enhancer in the SNX10 locus and outlined its plausible mechanisms of action and downstream targets. An enhancer active during adipogenesis is located in an obesity GWAS locus The enhancer responded strongly to insulin and isoprenaline Mutation of the enhancer by CRISPR-Cas9 decreased adipocyte differentiation Knockout of CHI3L1 decreased adipocyte differentiation
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Affiliation(s)
- Casimiro Castillejo-Lopez
- Department of Immunology, Genetics and Pathology and Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - Milos Pjanic
- Department of Medicine, Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Anna Chiara Pirona
- Department of Medical Sciences and Science for Life Laboratory, Uppsala University, Uppsala, Sweden; German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Susanne Hetty
- Department of Medical Sciences and Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - Martin Wabitsch
- Department of Pediatrics and Adolescent Medicine, Division of Pediatric Endocrinology and Diabetes, University of Ulm, Ulm, Germany
| | - Claes Wadelius
- Department of Immunology, Genetics and Pathology and Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - Thomas Quertermous
- Department of Medicine, Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA; Stanford Cardiovascular Institute, Stanford University, Stanford, CA 94305, USA
| | - Erik Arner
- Laboratory for Applied Regulatory Genomics Network Analysis, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa 230-0045 Japan
| | - Erik Ingelsson
- Department of Medicine, Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA; Department of Medical Sciences and Science for Life Laboratory, Uppsala University, Uppsala, Sweden; Stanford Cardiovascular Institute, Stanford University, Stanford, CA 94305, USA; Stanford Diabetes Research Center, Stanford University, Stanford, CA 94305, USA.
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Obesity and adiposity indicators in asthma and allergic rhinitis in children. Curr Opin Allergy Clin Immunol 2019; 19:7-11. [PMID: 30507714 DOI: 10.1097/aci.0000000000000504] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
PURPOSE OF REVIEW The prevalence of obesity and allergic diseases, such as asthma and allergic rhinitis, is increasing worldwide not only in adults, but also in children. Experimental and clinical studies have demonstrated the effect of obesity not only on asthma, but also on other allergic diseases. RECENT FINDINGS Allergic diseases, such as asthma and allergic rhinitis, are common chronic inflammatory diseases of the airways. Obesity is an increasingly common pediatric disease and is a risk factor for the development of asthma in that obese patients with asthma tend to have more severe asthma that does not respond well to standard asthma therapy. On the contrary, children with asthma maybe at a high risk of obesity, suggesting that the relationship of asthma and obesity seems to be interrelated. The role of obesity on the development of allergic rhinitis is not well defined, whereas allergic rhinitis may have an impact on obesity. SUMMARY Childhood obesity is often considered to be less serious than obesity in adults because of the greater risk of complications in obese adults. In this review, we discuss the allergic confounders of obesity and the impact of allergic diseases on obesity. Proper control of the BMI within the normal range in children with allergic diseases is important.
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Yeo IJ, Lee CK, Han SB, Yun J, Hong JT. Roles of chitinase 3-like 1 in the development of cancer, neurodegenerative diseases, and inflammatory diseases. Pharmacol Ther 2019; 203:107394. [PMID: 31356910 DOI: 10.1016/j.pharmthera.2019.107394] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/12/2019] [Indexed: 02/07/2023]
Abstract
Chitinase 3-like 1 (CHI3L1) is a secreted glycoprotein that mediates inflammation, macrophage polarization, apoptosis, and carcinogenesis. The expression of CHI3L1 is strongly increased by various inflammatory and immunological conditions, including rheumatoid arthritis, multiple sclerosis, Alzheimer's disease, and several cancers. However, its physiological and pathophysiological roles in the development of cancer and neurodegenerative and inflammatory diseases remain unclear. Several studies have reported that CHI3L1 promotes cancer proliferation, inflammatory cytokine production, and microglial activation, and that multiple receptors, such as advanced glycation end product, syndecan-1/αVβ3, and IL-13Rα2, are involved. In addition, the pro-inflammatory action of CHI3L1 may be mediated via the protein kinase B and phosphoinositide-3 signaling pathways and responses to various pro-inflammatory cytokines, including tumor necrosis factor-α, interleukin-1β, interleukin-6, and interferon-γ. Therefore, CHI3L1 could contribute to a vast array of inflammatory diseases. In this article, we review recent findings regarding the roles of CHI3L1 and suggest therapeutic approaches targeting CHI3L1 in the development of cancers, neurodegenerative diseases, and inflammatory diseases.
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Affiliation(s)
- In Jun Yeo
- College of Pharmacy and Medical Research Center, Chungbuk National University, 194-31, Osongsaengmyeong 1-ro, Osong-eup, Cheongju-si, Chungbuk 28160, Republic of Korea
| | - Chong-Kil Lee
- College of Pharmacy and Medical Research Center, Chungbuk National University, 194-31, Osongsaengmyeong 1-ro, Osong-eup, Cheongju-si, Chungbuk 28160, Republic of Korea
| | - Sang-Bae Han
- College of Pharmacy and Medical Research Center, Chungbuk National University, 194-31, Osongsaengmyeong 1-ro, Osong-eup, Cheongju-si, Chungbuk 28160, Republic of Korea
| | - Jaesuk Yun
- College of Pharmacy and Medical Research Center, Chungbuk National University, 194-31, Osongsaengmyeong 1-ro, Osong-eup, Cheongju-si, Chungbuk 28160, Republic of Korea.
| | - Jin Tae Hong
- College of Pharmacy and Medical Research Center, Chungbuk National University, 194-31, Osongsaengmyeong 1-ro, Osong-eup, Cheongju-si, Chungbuk 28160, Republic of Korea.
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Dumesic DA, Phan JD, Leung KL, Grogan TR, Ding X, Li X, Hoyos LR, Abbott DH, Chazenbalk GD. Adipose Insulin Resistance in Normal-Weight Women With Polycystic Ovary Syndrome. J Clin Endocrinol Metab 2019; 104:2171-2183. [PMID: 30649347 PMCID: PMC6482023 DOI: 10.1210/jc.2018-02086] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 01/08/2019] [Indexed: 12/17/2022]
Abstract
CONTEXT Normal-weight women with polycystic ovary syndrome (PCOS) may have adipose tissue insulin resistance (adipose-IR). OBJECTIVE To examine whether adipose-IR and subcutaneous (SC) abdominal adipose stem cell (ASC) gene expression are altered in normal-weight women with PCOS and correlated with hyperandrogenemia and/or whole-body IR. DESIGN Prospective cohort study. SETTING Academic medical center. PATIENTS Ten normal-weight women with PCOS and 18 control subjects matched for age and body mass index. INTERVENTION(S) Women underwent circulating hormone and metabolic measurements, IV glucose tolerance testing, total-body dual-energy x-ray absorptiometry, and SC abdominal fat biopsy. MAIN OUTCOME MEASURE(S) Adipose-IR (fasting insulin × total fatty acid levels) and SC abdominal ASC gene expression were compared between groups and correlated with clinical outcomes. RESULTS Adipose-IR was greater in women with PCOS than in control subjects (P < 0.01), with 29 pmol/L × mmol/L providing 94% specificity and 80% sensitivity in discriminating the two groups (P < 0.001). Adipose-IR positively correlated with serum androgen and log of fasting triglyceride (TG) levels, percentage of small adipocytes (P < 0.01, all correlations), and acute insulin response to glucose (P < 0.05); and negatively correlated with insulin sensitivity (Si; P < 0.025) and serum adiponectin levels (P < 0.05). Adjusting for serum androgens, adipose-IR correlations with Si and log TG levels remained significant. ASC genes were differentially expressed by the two groups. Expression of functionally critical genes was associated with serum testosterone and/or fasting insulin levels. CONCLUSION Normal-weight women with PCOS have increased adipose-IR and altered ASC gene expression related to hyperandrogenism and IR.
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Affiliation(s)
- Daniel A Dumesic
- Department of Obstetrics and Gynecology, David Geffen School of Medicine at University of California, Los Angeles, California
- Correspondence and Reprint Requests: Daniel A. Dumesic, MD, Department of Obstetrics and Gynecology, David Geffen School of Medicine at University of California, Los Angeles, 10833 Le Conte Avenue, Room 22-178 CHS, Los Angeles, California 90095. E-mail:
| | - Julia D Phan
- Department of Obstetrics and Gynecology, David Geffen School of Medicine at University of California, Los Angeles, California
| | - Karen L Leung
- Department of Obstetrics and Gynecology, David Geffen School of Medicine at University of California, Los Angeles, California
| | - Tristan R Grogan
- Department of Medicine Statistics Core, David Geffen School of Medicine at University of California, Los Angeles, California
| | - Xiangmiang Ding
- Technology Center for Genomics and Bioinformatics, Department of Medicine, David Geffen School of Medicine at University of California, Los Angeles, California
| | - Xinmin Li
- Technology Center for Genomics and Bioinformatics, Department of Medicine, David Geffen School of Medicine at University of California, Los Angeles, California
| | - Luis R Hoyos
- Department of Obstetrics and Gynecology, David Geffen School of Medicine at University of California, Los Angeles, California
| | - David H Abbott
- Department of Obstetrics and Gynecology and Wisconsin National Primate Research Center, University of Wisconsin, Madison, Wisconsin
| | - Gregorio D Chazenbalk
- Department of Obstetrics and Gynecology, David Geffen School of Medicine at University of California, Los Angeles, California
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Biomarkers and asthma management: analysis and potential applications. Curr Opin Allergy Clin Immunol 2019; 18:96-108. [PMID: 29389730 DOI: 10.1097/aci.0000000000000426] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
PURPOSE OF REVIEW Asthma features a high degree of heterogeneity in both pathophysiology and therapeutic response, resulting in many asthma patients being treated inadequately. Biomarkers indicative of underlying pathological processes could be used to identify disease subtypes, determine prognosis and to predict or monitor treatment response. However, the newly identified as well as more established biomarkers have different applications and limitations. RECENT FINDINGS Conventional markers for type 2-high asthma, such as blood eosinophils, fraction of exhaled nitric oxide, serum IgE and periostin, feature limited sensitivity and specificity despite their significant correlations. More distinctive models have been developed by combining biomarkers and/or using omics techniques. Recently, a model with a positive predictive value of 100% for identification of type 2-high asthma based on a combination of minimally invasive biomarkers was developed. SUMMARY Individualisation of asthma treatment regimens on the basis of biomarkers is necessary to improve asthma control. However, the suboptimal properties of currently available conventional biomarkers limit its clinical utility. Newly identified biomarkers and models based on combinations and/or omics analysis must be validated and standardised before they can be routinely applied in clinical practice. The development of robust biomarkers will allow development of more efficacious precision medicine-based treatment approaches for asthma.
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Murakami D, Anan F, Masaki T, Umeno Y, Shigenaga T, Eshima N, Nakagawa T. Visceral Fat Accumulation Is Associated with Asthma in Patients with Type 2 Diabetes. J Diabetes Res 2019; 2019:3129286. [PMID: 31192262 PMCID: PMC6525865 DOI: 10.1155/2019/3129286] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Accepted: 04/07/2019] [Indexed: 11/29/2022] Open
Abstract
OBJECTIVE The number of patients with type 2 diabetes has increased in Japan, and type 2 diabetes has attracted attention as a risk factor for asthma. However, the risk factors for the development of asthma in patients with type 2 diabetes have not been determined. This study was performed to clarify whether visceral fat accumulation (VFA) and insulin resistance are risk factors for the development of asthma in patients with type 2 diabetes. MATERIALS AND METHODS A cross-sectional study was conducted. The study group comprised 15 patients with type 2 diabetes with asthma, and the control group comprised 145 patients with type 2 diabetes without asthma. Their fat distribution was evaluated by measuring the VFA by abdominal computed tomography at the umbilical level. Their glucose status was assessed by measuring the fasting plasma glucose (FPG) concentration, fasting immunoreactive insulin concentration, homeostasis model assessment (HOMA) index, and hemoglobin A1c concentration. RESULTS Among patients with type 2 diabetes, VFA was significantly greater in patients with asthma than those without asthma (P < 0.0001). The FPG concentration, fasting immunoreactive insulin concentration, and HOMA index were higher in patients with asthma than those without asthma (P < 0.05, P < 0.0001, and P < 0.0001, respectively). Multiple logistic regression analysis showed that VFA and the HOMA index were significantly associated with asthma in patients with type 2 diabetes (odds ratio, 1.78; 95% confidence interval, 1.31-3.89; P = 0.0115 and odds ratio, 3.65; 95% confidence interval, 1.37-7.85; P = 0.0078, respectively). CONCLUSIONS Our data suggest that VFA and insulin resistance are associated with the development of asthma in patients with type 2 diabetes.
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Affiliation(s)
- Daisuke Murakami
- Department of Otorhinolaryngology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Futoshi Anan
- Department of Cardiology, Oita Red Cross Hospital, Oita, Japan
| | - Takayuki Masaki
- Department of Endocrinology, Metabolism, Rheumatology and Nephrology, Faculty of Medicine, Oita University, Oita, Japan
| | - Yoshikazu Umeno
- Department of Endocrinology, Oita Red Cross Hospital, Oita, Japan
| | | | - Nobuoki Eshima
- Center for Educational Outreach and Admissions, Kyoto University, Kyoto, Japan
| | - Takashi Nakagawa
- Department of Otorhinolaryngology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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Ioachimescu OC, Desai NS. Nonallergic Triggers and Comorbidities in Asthma Exacerbations and Disease Severity. Clin Chest Med 2018; 40:71-85. [PMID: 30691718 DOI: 10.1016/j.ccm.2018.10.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Asthma triggers are exogenous or endogenous factors that could worsen asthma acutely to cause an exacerbation, or perpetuate chronic symptoms and airflow limitation. Because it is well known that recent asthma exacerbations and poor symptom control are strong predictors of future disease activity, it is not surprising that the number of (allergic or nonallergic) asthma triggers in the environment correlates with the disease-related quality of life. There is a need to identify and avoid specific triggers as the centerpiece of disease management, especially in those with heightened sensitivity to certain factors.
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Affiliation(s)
- Octavian C Ioachimescu
- Pulmonary, Critical Care and Sleep Medicine, Emory University, Atlanta VA Medical Center, Atlanta, GA, USA
| | - Nikita S Desai
- Pulmonary and Critical Care, Respiratory Institute, Cleveland Clinic, Cleveland, OH, USA.
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Contreras ZA, Chen Z, Roumeliotaki T, Annesi-Maesano I, Baïz N, von Berg A, Bergström A, Crozier S, Duijts L, Ekström S, Eller E, Fantini MP, Kjaer HF, Forastiere F, Gerhard B, Gori D, Harskamp-van Ginkel MW, Heinrich J, Iñiguez C, Inskip H, Keil T, Kogevinas M, Lau S, Lehmann I, Maier D, van Meel ER, Mommers M, Murcia M, Porta D, Smit HA, Standl M, Stratakis N, Sunyer J, Thijs C, Torrent M, Vrijkotte TGM, Wijga AH, Berhane K, Gilliland F, Chatzi L. Does early onset asthma increase childhood obesity risk? A pooled analysis of 16 European cohorts. Eur Respir J 2018; 52:13993003.00504-2018. [PMID: 30209194 DOI: 10.1183/13993003.00504-2018] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Accepted: 07/30/2018] [Indexed: 12/17/2022]
Abstract
The parallel epidemics of childhood asthma and obesity over the past few decades have spurred research into obesity as a risk factor for asthma. However, little is known regarding the role of asthma in obesity incidence. We examined whether early-onset asthma and related phenotypes are associated with the risk of developing obesity in childhood.This study includes 21 130 children born from 1990 to 2008 in Denmark, France, Germany, Greece, Italy, The Netherlands, Spain, Sweden and the UK. We followed non-obese children at 3-4 years of age for incident obesity up to 8 years of age. Physician-diagnosed asthma, wheezing and allergic rhinitis were assessed up to 3-4 years of age.Children with physician-diagnosed asthma had a higher risk for incident obesity than those without asthma (adjusted hazard ratio (aHR) 1.66, 95% CI 1.18-2.33). Children with active asthma (wheeze in the last 12 months and physician-diagnosed asthma) exhibited a higher risk for obesity (aHR 1.98, 95% CI 1.31-3.00) than those without wheeze and asthma. Persistent wheezing was associated with increased risk for incident obesity compared to never wheezers (aHR 1.51, 95% CI 1.08-2.09).Early-onset asthma and wheezing may contribute to an increased risk of developing obesity in later childhood.
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Affiliation(s)
- Zuelma A Contreras
- Dept of Preventive Medicine, University of Southern California, Los Angeles, CA, USA
| | - Zhanghua Chen
- Dept of Preventive Medicine, University of Southern California, Los Angeles, CA, USA
| | | | - Isabella Annesi-Maesano
- Dept of Epidemiology of Allergic and Respiratory Diseases, IPLESP, INSERM, UPMC, Medical School Saint-Antoine, Paris, France
| | - Nour Baïz
- Dept of Epidemiology of Allergic and Respiratory Diseases, IPLESP, INSERM, UPMC, Medical School Saint-Antoine, Paris, France
| | | | - Anna Bergström
- Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden.,Center for Occupational and Environmental Medicine, Stockholm County Council, Stockholm, Sweden
| | - Sarah Crozier
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton General Hospital, Southampton, UK
| | - Liesbeth Duijts
- Dept of Pediatrics, Division of Respiratory Medicine and Allergology, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands.,Dept of Epidemiology, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands.,Dept of Pediatrics, Division of Neonatology, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Sandra Ekström
- Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
| | - Esben Eller
- Dept of Dermatology and Allergy Center, Odense Research Centre for Anaphylaxis (ORCA), Odense, Denmark
| | - Maria P Fantini
- Dept of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Henrik Fomsgaard Kjaer
- Dept of Dermatology and Allergy Center, Odense Research Centre for Anaphylaxis (ORCA), Odense, Denmark
| | | | | | - Davide Gori
- Dept of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Margreet W Harskamp-van Ginkel
- Dept of Public Health, Amsterdam Public Health Research Institute, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Joachim Heinrich
- Institute of Epidemiology I, Helmholtz Zentrum München - German Research Center for Environmental Health, Neuherberg, Germany.,Institute and Outpatient Clinic for Occupational, Social and Environmental Medicine, Inner City Clinic, University Hospital of Munich (LMU), Munich, Germany
| | - Carmen Iñiguez
- Dept of Statistics and Operational Research, University of Valencia, Valencia, Spain.,Epidemiology and Environmental Health Joint Research Unit, FISABIO-Universitat Jaume I-Universitat de València, Valencia, Spain.,CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Hazel Inskip
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton General Hospital, Southampton, UK.,NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton, Southampton, UK
| | - Thomas Keil
- Institute of Social Medicine, Epidemiology and Health Economics, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Manolis Kogevinas
- CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain.,ISGlobal, Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain.,Universitat Pompeu Fabra (UPF), Barcelona, Spain.,IMIM (Hospital del Mar Medical Research Institute), Barcelona, Spain
| | - Susanne Lau
- Dept of Paediatric Pneumology and Immunology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Irina Lehmann
- Dept of Environmental Immunology/Core Facility Studies, Helmholtz Centre for Environmental Research-UFZ, Leipzig, Germany
| | | | - Evelien R van Meel
- Dept of Pediatrics, Division of Respiratory Medicine and Allergology, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands.,Dept of Epidemiology, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands.,The Generation R Study Group, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Monique Mommers
- Dept of Epidemiology, CAPHRI Care and Public Health Research Institute, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Mario Murcia
- Epidemiology and Environmental Health Joint Research Unit, FISABIO-Universitat Jaume I-Universitat de València, Valencia, Spain.,CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Daniela Porta
- Dept of Epidemiology, Lazio Regional Health Service, Rome, Italy
| | - Henriëtte A Smit
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Marie Standl
- Institute of Epidemiology I, Helmholtz Zentrum München - German Research Center for Environmental Health, Neuherberg, Germany
| | - Nikos Stratakis
- Dept of Social Medicine, University of Crete, Heraklion, Greece.,NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, The Netherlands
| | - Jordi Sunyer
- ISGlobal, Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain
| | - Carel Thijs
- Dept of Epidemiology, CAPHRI Care and Public Health Research Institute, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | | | - Tanja G M Vrijkotte
- Dept of Public Health, Amsterdam Public Health Research Institute, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Alet H Wijga
- Centre for Nutrition, Prevention and Health Services, National Institute of Public Health and the Environment, Bilthoven, The Netherlands
| | - Kiros Berhane
- Dept of Preventive Medicine, University of Southern California, Los Angeles, CA, USA
| | - Frank Gilliland
- Dept of Preventive Medicine, University of Southern California, Los Angeles, CA, USA
| | - Leda Chatzi
- Dept of Preventive Medicine, University of Southern California, Los Angeles, CA, USA.,Dept of Social Medicine, University of Crete, Heraklion, Greece.,NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, The Netherlands
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Orfanos S, Jude J, Deeney BT, Cao G, Rastogi D, van Zee M, Pushkarsky I, Munoz HE, Damoiseaux R, Di Carlo D, Panettieri RA. Obesity increases airway smooth muscle responses to contractile agonists. Am J Physiol Lung Cell Mol Physiol 2018; 315:L673-L681. [PMID: 30160518 DOI: 10.1152/ajplung.00459.2017] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The asthma-obesity syndrome represents a major public health concern that disproportionately contributes to asthma severity and induces insensitivity to therapy. To date, no study has shown an intrinsic difference between human airway smooth muscle (HASM) cells derived from nonobese subjects and those derived from obese subjects. The objective of this study was to address whether there is a greater response to agonist-induced calcium mobilization, phosphorylation of myosin light chain (MLC), and greater shortening in HASM cells derived from obese subjects. HASM cells derived from nonobese and obese subjects were age and sex matched. Phosphorylation of MLC was measured after having been stimulated by carbachol. Carbachol- or histamine-induced mobilization of calcium and cell shortening were assessed in HASM cells derived from nonobese and obese donors. Agonist-induced MLC phosphorylation, mobilization of calcium, and cell shortening were greater in obese compared with non-obese-derived HASM cells. The MLC response was comparable in HASM cells derived from obese nonasthma and nonobese fatal asthma subjects. HASM cells derived from obese female subjects were more responsive to carbachol than HASM cells derived from obese male subjects. Insulin pretreatment had little effect on these responses. Our results show an increase in agonist-induced calcium mobilization associated with an increase in MLC phosphorylation and an increase in ASM cell shortening in favor of agonist-induced hyperresponsiveness in HASM cells derived from obese subjects. Our studies suggest that obesity induces a retained phenotype of hyperresponsiveness in cultured human airway smooth muscle cells.
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Affiliation(s)
- Sarah Orfanos
- Rutgers Institute for Translational Medicine and Science, Child Health Institute of New Jersey, Rutgers, The State University of New Jersey , New Brunswick, New Jersey
| | - Joseph Jude
- Rutgers Institute for Translational Medicine and Science, Child Health Institute of New Jersey, Rutgers, The State University of New Jersey , New Brunswick, New Jersey
| | - Brian T Deeney
- Rutgers Institute for Translational Medicine and Science, Child Health Institute of New Jersey, Rutgers, The State University of New Jersey , New Brunswick, New Jersey
| | - Gaoyuan Cao
- Rutgers Institute for Translational Medicine and Science, Child Health Institute of New Jersey, Rutgers, The State University of New Jersey , New Brunswick, New Jersey
| | - Deepa Rastogi
- Department of Pediatrics, Albert Einstein College of Medicine, Bronx, New York
| | - Mark van Zee
- Department of Bioengineering, University of California , Los Angeles, California.,California NanoSystems Institute, University of California , Los Angeles, California
| | - Ivan Pushkarsky
- Department of Bioengineering, University of California , Los Angeles, California.,California NanoSystems Institute, University of California , Los Angeles, California.,Department of Mechanical Engineering, University of California , Los Angeles, California
| | - Hector E Munoz
- Department of Bioengineering, University of California , Los Angeles, California
| | - Robert Damoiseaux
- California NanoSystems Institute, University of California , Los Angeles, California
| | - Dino Di Carlo
- Department of Bioengineering, University of California , Los Angeles, California.,California NanoSystems Institute, University of California , Los Angeles, California.,Department of Mechanical Engineering, University of California , Los Angeles, California
| | - Reynold A Panettieri
- Rutgers Institute for Translational Medicine and Science, Child Health Institute of New Jersey, Rutgers, The State University of New Jersey , New Brunswick, New Jersey
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Sharma N, Akkoyunlu M, Rabin RL. Macrophages-common culprit in obesity and asthma. Allergy 2018; 73:1196-1205. [PMID: 29178573 DOI: 10.1111/all.13369] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/21/2017] [Indexed: 12/29/2022]
Abstract
Macrophages are essential innate immune cells that also regulate local metabolism. Endogenous or exogenous stimuli may polarize macrophages toward phenotypes that serve distinct innate immunological metabolic functions. IFN-γ or lipopolysaccharide (LPS) polarizes macrophages toward the M1, or "classically activated" phenotype that participates in defense against intracellular pathogens. IL-4, IL-13, or chitin polarizes macrophages toward the M2, or "alternatively activated" phenotype, which defends against multicellular nematodes and fungi. As macrophages polarize in local environments, M1 and M2 macrophages may coexist in different organs and may differentially affect asthma and obesity, two comorbid diseases where polarized macrophages contribute to their pathogenesis. While M1 macrophages are considered beneficial in asthma and contribute to the pathology of obesity, M2 macrophages contribute to the pathology of asthma, but limit metabolic syndrome associated with obesity. Here, we discuss the roles for M1 and M2 macrophages in asthma and obesity, and propose a model by which M1-mediated inflammation in adipose tissue enhances M2-mediated inflammation in the asthmatic lung.
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Affiliation(s)
- N. Sharma
- Division of Bacterial, Parasitic and Allergenic Products Center for Biologics Evaluation and Research Office of Vaccines Research and Review U.S. Food and Drug Administration Silver Spring MD USA
| | - M. Akkoyunlu
- Division of Bacterial, Parasitic and Allergenic Products Center for Biologics Evaluation and Research Office of Vaccines Research and Review U.S. Food and Drug Administration Silver Spring MD USA
| | - R. L. Rabin
- Division of Bacterial, Parasitic and Allergenic Products Center for Biologics Evaluation and Research Office of Vaccines Research and Review U.S. Food and Drug Administration Silver Spring MD USA
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44
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Peters U, Dixon AE, Forno E. Obesity and asthma. J Allergy Clin Immunol 2018; 141:1169-1179. [PMID: 29627041 PMCID: PMC5973542 DOI: 10.1016/j.jaci.2018.02.004] [Citation(s) in RCA: 474] [Impact Index Per Article: 79.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Revised: 12/14/2017] [Accepted: 02/09/2018] [Indexed: 12/14/2022]
Abstract
Obesity is a vast public health problem and both a major risk factor and disease modifier for asthma in children and adults. Obese subjects have increased asthma risk, and obese asthmatic patients have more symptoms, more frequent and severe exacerbations, reduced response to several asthma medications, and decreased quality of life. Obese asthma is a complex syndrome, including different phenotypes of disease that are just beginning to be understood. We examine the epidemiology and characteristics of this syndrome in children and adults, as well as the changes in lung function seen in each age group. We then discuss the better recognized factors and mechanisms involved in disease pathogenesis, focusing particularly on diet and nutrients, the microbiome, inflammatory and metabolic dysregulation, and the genetics/genomics of obese asthma. Finally, we describe current evidence on the effect of weight loss and mention some important future directions for research in the field.
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Affiliation(s)
- Ubong Peters
- Pulmonary and Critical Care Medicine, University of Vermont, Burlington, Vt
| | - Anne E Dixon
- Pulmonary and Critical Care Medicine, University of Vermont, Burlington, Vt
| | - Erick Forno
- Pediatric Pulmonary Medicine, Allergy, and Immunology, University of Pittsburgh, Pittsburgh, Pa.
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45
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Forno E, Han YY, Libman IM, Muzumdar RH, Celedón JC. Adiposity and Asthma in a Nationwide Study of Children and Adults in the United States. Ann Am Thorac Soc 2018; 15:322-330. [PMID: 29144884 PMCID: PMC5880523 DOI: 10.1513/annalsats.201709-723oc] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 11/16/2017] [Indexed: 12/28/2022] Open
Abstract
RATIONALE Although obesity has been associated with asthma, body mass index is suboptimal to fully characterize adiposity. OBJECTIVES We examined the relation between adiposity and asthma in a large sample of the U.S. population, using indices defined by dual-energy X-ray absorptiometry. METHODS We analyzed data from 8,886 children (aged 8-19 yr) and 12,795 adults (aged 20-69 yr) from the 2001 to 2006 National Health and Nutrition Examination Survey. In addition to body mass index, percent body fat, waist circumference, and waist-to-height ratio, dual-energy X-ray absorptiometry was used to calculate whole-body and local adiposity indices: fat mass index; total, trunk, and legs percent fat; and trunk-to-total fat mass ratio, legs-to-total fat mass ratio, and trunk-to-legs fat mass ratios. Logistic regression was used for the analysis of adiposity measures and asthma. RESULTS Among children, general adiposity was significantly associated with asthma, with no major differences by sex. Results were driven by nonatopic children, in whom trunk-predominant (central) adiposity (assessed by waist circumference, waist-to-height ratio, trunk-to-total fat mass ratio, and trunk-to-legs fat mass ratio) was also associated with asthma. There were no significant associations among atopic children. Among adults, all adiposity indices were associated with asthma, with central adiposity significant only among women. The results in adults were driven by atopy, especially in women. CONCLUSIONS Adiposity measured by dual-energy X-ray absorptiometry provides similar information to that obtained by using anthropometric indices among children of both sexes and among adult men. However, dual-energy X-ray absorptiometry provides additional information in adult women, in whom dual-energy X-ray absorptiometry-measured central adiposity is significantly associated with asthma, particularly atopic asthma.
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Affiliation(s)
- Erick Forno
- Division of Pediatric Pulmonary Medicine, Allergy, and Immunology, and
| | - Yueh-Ying Han
- Division of Pediatric Pulmonary Medicine, Allergy, and Immunology, and
| | - Ingrid M. Libman
- Division of Pediatric Endocrinology, Children’s Hospital of Pittsburgh of the University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Radhika H. Muzumdar
- Division of Pediatric Endocrinology, Children’s Hospital of Pittsburgh of the University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Juan C. Celedón
- Division of Pediatric Pulmonary Medicine, Allergy, and Immunology, and
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46
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Kim DH, Park HJ, Lim S, Koo JH, Lee HG, Choi JO, Oh JH, Ha SJ, Kang MJ, Lee CM, Lee CG, Elias JA, Choi JM. Regulation of chitinase-3-like-1 in T cell elicits Th1 and cytotoxic responses to inhibit lung metastasis. Nat Commun 2018; 9:503. [PMID: 29403003 PMCID: PMC5799380 DOI: 10.1038/s41467-017-02731-6] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Accepted: 12/20/2017] [Indexed: 01/30/2023] Open
Abstract
Chitinase-3-like-1 (Chi3l1) is known to play a significant role in the pathogenesis of Type 2 inflammation and cancer. However, the function of Chi3l1 in T cell and its clinical implications are largely unknown. Here we show that Chi3l1 expression was increased in activated T cells, especially in Th2 cells. In addition, Chi3l1-deficient T cells are hyper-responsive to TcR stimulation and are prone to differentiating into Th1 cells. Chi3l1-deficient Th1 cells show increased expression of anti-tumor immunity genes and decreased Th1 negative regulators. Deletion of Chi3l1 in T cells in mice show reduced melanoma lung metastasis with increased IFNγ and TNFα-producing T cells in the lung. Furthermore, silencing of Chi3l1 expression in the lung using peptide-siRNA complex (dNP2-siChi3l1) efficiently inhibit lung metastasis with enhanced Th1 and CTL responses. Collectively, this study demonstrates Chi3l1 is a regulator of Th1 and CTL which could be a therapeutic target to enhance anti-tumor immunity.
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Affiliation(s)
- Do-Hyun Kim
- Department of Life Science, College of Natural Sciences, Hanyang University, Seoul, 04763, Korea
- Research Institute for Natural Sciences, Hanyang University, Seoul, 04763, Korea
| | - Hong-Jai Park
- Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, 06510, USA
| | - Sangho Lim
- Department of Life Science, College of Natural Sciences, Hanyang University, Seoul, 04763, Korea
- Research Institute for Natural Sciences, Hanyang University, Seoul, 04763, Korea
| | - Ja-Hyun Koo
- Department of Life Science, College of Natural Sciences, Hanyang University, Seoul, 04763, Korea
- Research Institute for Natural Sciences, Hanyang University, Seoul, 04763, Korea
| | - Hong-Gyun Lee
- Department of Life Science, College of Natural Sciences, Hanyang University, Seoul, 04763, Korea
- Research Institute for Natural Sciences, Hanyang University, Seoul, 04763, Korea
| | - Jin Ouk Choi
- Department of Life Science, College of Natural Sciences, Hanyang University, Seoul, 04763, Korea
| | - Ji Hoon Oh
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Korea
| | - Sang-Jun Ha
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Korea
| | - Min-Jong Kang
- Section of Pulmonary, Critical Care and Sleep Medicine, Yale University School of Medicine, New Haven, CT, 06510, USA
| | - Chang-Min Lee
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI, 02912, USA
| | - Chun Geun Lee
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI, 02912, USA
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, 04763, Korea
| | - Jack A Elias
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI, 02912, USA
- Division of Medical and Biological Sciences, Warren Alpert Medical School, Brown University, Providence, RI, 02903, USA
| | - Je-Min Choi
- Department of Life Science, College of Natural Sciences, Hanyang University, Seoul, 04763, Korea.
- Research Institute for Natural Sciences, Hanyang University, Seoul, 04763, Korea.
- Center for Neuroscience Imaging Research (CNIR), Institute for Basic Science (IBS), Suwon, 16419, Korea.
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47
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Affiliation(s)
- Klaus F Rabe
- 1 LungenClinic Grosshansdorf and.,2 Department of Medicine, Christian Albrechts University Kiel, Airway Research Center North, German Center for Lung Research, Grosshansdorf, Germany
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48
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Gomez JL, Yan X, Holm CT, Grant N, Liu Q, Cohn L, Nezgovorova V, Meyers DA, Bleecker ER, Crisafi GM, Jarjour NN, Rogers L, Reibman J, Chupp GL. Characterisation of asthma subgroups associated with circulating YKL-40 levels. Eur Respir J 2017; 50:1700800. [PMID: 29025889 PMCID: PMC5967238 DOI: 10.1183/13993003.00800-2017] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Accepted: 07/16/2017] [Indexed: 11/05/2022]
Abstract
The chitinase-like protein YKL-40 mediates airway inflammation and serum levels are associated with asthma severity. However, asthma phenotypes associated with YKL-40 levels have not been precisely defined.We conducted an unsupervised cluster analysis of asthma patients treated at the Yale Center for Asthma and Airways Disease (n=156) to identify subgroups according to YKL-40 level. The resulting YKL-40 clusters were cross-validated in cohorts from the Severe Asthma Research Programme (n=167) and the New York University/Bellevue Asthma Repository (n=341). A sputum transcriptome analysis revealed molecular pathways associated with YKL-40 subgroups.Four YKL-40 clusters (C1-C4) were identified. C3 and C4 had high serum YKL-40 levels compared with C1 and C2. C3 was associated with earlier onset and longer duration of disease, severe airflow obstruction, and near-fatal asthma exacerbations. C4 had the highest serum YKL-40 levels, adult onset and less airflow obstruction, but frequent exacerbations. An airway transcriptome analysis in C3 and C4 showed activation of non-type 2 inflammatory pathways.Elevated serum YKL-40 levels were associated with two distinct clinical asthma phenotypes: one with irreversible airway obstruction and another with severe exacerbations. The YKL-40 clusters are potentially useful for identification of individuals with severe or exacerbation-prone asthma.
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Affiliation(s)
- Jose L Gomez
- Section of Pulmonary, Critical Care Medicine and Sleep and Dept of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Xiting Yan
- Section of Pulmonary, Critical Care Medicine and Sleep and Dept of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Carole T Holm
- Section of Pulmonary, Critical Care Medicine and Sleep and Dept of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Nicole Grant
- Section of Pulmonary, Critical Care Medicine and Sleep and Dept of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Qing Liu
- Section of Pulmonary, Critical Care Medicine and Sleep and Dept of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Lauren Cohn
- Section of Pulmonary, Critical Care Medicine and Sleep and Dept of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Vera Nezgovorova
- Section of Pulmonary, Critical Care Medicine and Sleep and Dept of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Deborah A Meyers
- Center for Human Genomics and Personalized Medicine, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Eugene R Bleecker
- Center for Human Genomics and Personalized Medicine, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Gina M Crisafi
- Section of Pulmonary and Critical Care Medicine, University of Wisconsin School of Medicine, Madison, WI, USA
| | | | - Linda Rogers
- Dept of Medicine and Environmental Medicine, New York University School of Medicine, New York, NY, USA
| | - Joan Reibman
- Dept of Medicine and Environmental Medicine, New York University School of Medicine, New York, NY, USA
| | - Geoffrey L Chupp
- Section of Pulmonary, Critical Care Medicine and Sleep and Dept of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
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Everaere L, Ait Yahia S, Bouté M, Audousset C, Chenivesse C, Tsicopoulos A. Innate lymphoid cells at the interface between obesity and asthma. Immunology 2017; 153:21-30. [PMID: 28880992 DOI: 10.1111/imm.12832] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 08/24/2017] [Accepted: 08/31/2017] [Indexed: 02/06/2023] Open
Abstract
Obesity and asthma prevalence has dramatically and concomitantly increased over the last 25 years, and many epidemiological studies have highlighted obesity as an important risk factor for asthma. Although many studies have been performed, the underlying mechanisms remain poorly understood. Innate mechanisms have been involved in both diseases, in particular through the recently described innate lymphoid cells (ILCs). ILCs are subdivided into three groups that are defined by their cytokine production and by their master transcription factor expression, in sharp correlation with their T helper counterparts. However, unlike T helper cells, ILCs do not express antigen-specific receptors, but respond to damage-induced signals. ILCs have been found in target tissues of both diseases, and data have implicated these cells in the pathogenesis of both diseases. In particular group 2 ILCs (ILC2) are activated in both the adipose and lung tissues under the effect of interleukin-33 and interleukin-25 expression. However, counter-intuitively to the well-known association between obesity and asthma, ILC2 are beneficial for obesity but deleterious for asthma. This review will examine the roles of ILCs in each disease and recent data highlighting ILCs as a putative link between obesity and asthma.
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Affiliation(s)
- Laetitia Everaere
- Institut National de la Santé et de la Recherche Médicale, Lille, France.,CNRS, UMR 8204, Centre for Infection and Immunity of Lille, Lille, France.,Institut Pasteur de Lille, Lille, France.,Université de Lille, Lille, France
| | - Saliha Ait Yahia
- Institut National de la Santé et de la Recherche Médicale, Lille, France.,CNRS, UMR 8204, Centre for Infection and Immunity of Lille, Lille, France.,Institut Pasteur de Lille, Lille, France.,Université de Lille, Lille, France
| | - Mélodie Bouté
- Institut National de la Santé et de la Recherche Médicale, Lille, France.,CNRS, UMR 8204, Centre for Infection and Immunity of Lille, Lille, France.,Institut Pasteur de Lille, Lille, France.,Université de Lille, Lille, France
| | - Camille Audousset
- Institut National de la Santé et de la Recherche Médicale, Lille, France.,CNRS, UMR 8204, Centre for Infection and Immunity of Lille, Lille, France.,Institut Pasteur de Lille, Lille, France.,Université de Lille, Lille, France.,Clinique des Maladies Respiratoires et Centre Hospitalier Régional et Universitaire de Lille, Lille, France
| | - Cécile Chenivesse
- Institut National de la Santé et de la Recherche Médicale, Lille, France.,CNRS, UMR 8204, Centre for Infection and Immunity of Lille, Lille, France.,Institut Pasteur de Lille, Lille, France.,Université de Lille, Lille, France.,Clinique des Maladies Respiratoires et Centre Hospitalier Régional et Universitaire de Lille, Lille, France
| | - Anne Tsicopoulos
- Institut National de la Santé et de la Recherche Médicale, Lille, France.,CNRS, UMR 8204, Centre for Infection and Immunity of Lille, Lille, France.,Institut Pasteur de Lille, Lille, France.,Université de Lille, Lille, France.,Clinique des Maladies Respiratoires et Centre Hospitalier Régional et Universitaire de Lille, Lille, France
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50
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The effect of obesity, weight gain, and weight loss on asthma inception and control. Curr Opin Allergy Clin Immunol 2017; 17:123-130. [PMID: 28030376 DOI: 10.1097/aci.0000000000000339] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW There is ample and growing evidence that obesity increases the risk of asthma and morbidity from asthma. Here, we review recent clinical evidence supporting a causal link between obesity and asthma, and the mechanisms that may lead to 'obese asthma'. RECENT FINDINGS Although in some children obesity and asthma simply co-occur, those with 'obese asthma' have increased asthma severity, lower quality of life, and reduced medication response. Underlying mechanistic pathways may include anatomical changes of the airways such as obstruction and dysanapsis, systemic inflammation, production of adipokines, impaired glucose-insulin metabolism, altered nutrient levels, genetic and epigenetic changes, and alterations in the airway and/or gut microbiome. A few small studies have shown that weight loss interventions may lead to improvements in asthma outcomes, but thus far research on therapeutic interventions for these children has been limited. SUMMARY Obesity increases the risk of asthma - and worsens asthma severity or control - via multiple mechanisms. 'Obese asthma' is a complex, multifactorial phenotype in children. Obesity and its complications must be managed as part of the treatment of asthma in obese children.
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