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Yuan Y, Hu R, Park J, Xiong S, Wang Z, Qian Y, Shi Z, Wu R, Han Z, Ong SG, Lin S, Varady KA, Xu P, Berry DC, Shu G, Jiang Y. Macrophage-derived chemokine CCL22 establishes local LN-mediated adaptive thermogenesis and energy expenditure. SCIENCE ADVANCES 2024; 10:eadn5229. [PMID: 38924414 PMCID: PMC11204298 DOI: 10.1126/sciadv.adn5229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 05/20/2024] [Indexed: 06/28/2024]
Abstract
There is a regional preference around lymph nodes (LNs) for adipose beiging. Here, we show that local LN removal within inguinal white adipose tissue (iWAT) greatly impairs cold-induced beiging, and this impairment can be restored by injecting M2 macrophages or macrophage-derived C-C motif chemokine (CCL22) into iWAT. CCL22 injection into iWAT effectively promotes iWAT beiging, while blocking CCL22 with antibodies can prevent it. Mechanistically, the CCL22 receptor, C-C motif chemokine receptor 4 (CCR4), within eosinophils and its downstream focal adhesion kinase/p65/interleukin-4 signaling are essential for CCL22-mediated beige adipocyte formation. Moreover, CCL22 levels are inversely correlated with body weight and fat mass in mice and humans. Acute elevation of CCL22 levels effectively prevents diet-induced body weight and fat gain by enhancing adipose beiging. Together, our data identify the CCL22-CCR4 axis as an essential mediator for LN-controlled adaptive thermogenesis and highlight its potential to combat obesity and its associated complications.
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Affiliation(s)
- Yexian Yuan
- Department of Physiology and Biophysics, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Ruoci Hu
- Department of Physiology and Biophysics, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
- Department of Pharmaceutical Sciences, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Jooman Park
- Department of Physiology and Biophysics, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Shaolei Xiong
- Department of Physiology and Biophysics, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Zilai Wang
- Department of Microbiology and Immunology, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Yanyu Qian
- Department of Physiology and Biophysics, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Zuoxiao Shi
- Department of Physiology and Biophysics, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
- Department of Pharmaceutical Sciences, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Ruifan Wu
- Department of Physiology and Biophysics, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
- Guangdong Laboratory of Lingnan Modern Agriculture, Guangdong Province Key Laboratory of Animal Nutritional Regulation and National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Zhenbo Han
- Department of Pharmacology and Regenerative Medicine, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Sang-Ging Ong
- Department of Pharmacology and Regenerative Medicine, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
- Division of Cardiology, Department of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Shuhao Lin
- Department of Kinesiology and Nutrition, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Krista A. Varady
- Department of Kinesiology and Nutrition, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Pingwen Xu
- Division of Endocrinology, Department of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Daniel C. Berry
- Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA
| | - Gang Shu
- Guangdong Laboratory of Lingnan Modern Agriculture, Guangdong Province Key Laboratory of Animal Nutritional Regulation and National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Yuwei Jiang
- Department of Physiology and Biophysics, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
- Department of Pharmaceutical Sciences, University of Illinois at Chicago, Chicago, IL 60612, USA
- Division of Endocrinology, Department of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
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Akenroye A, Nopsopon T, Hacker JJ, Laidlaw TM. Ratio of plasma IL-13/TNF- ∝ and CXCL10/CCL17 predicts mepolizumab and omalizumab response in asthma better than eosinophil count or immunoglobulin E level. Sci Rep 2024; 14:10404. [PMID: 38710930 PMCID: PMC11074109 DOI: 10.1038/s41598-024-60864-3] [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: 11/04/2023] [Accepted: 04/29/2024] [Indexed: 05/08/2024] Open
Abstract
To date, most studies to identify biomarkers associated with response to the anti-interleukin 5 agent, mepolizumab, and to the anti-immunoglobulin E agent, omalizumab have focused on clinically available biomarkers, such as the peripheral blood eosinophil counts (BEC) and total immunoglobulin E (IgE). However, these biomarkers often have low predictive accuracy, with many patients with eosinophilic or allergic asthma failing to demonstrate clinical response to mepolizumab or omalizumab respectively. In this study, we evaluated the association of baseline pre-biologic plasma levels of 26 cytokines and chemokines, including T-helper 1 (Th1)-, Th2-, Th17-related cytokines, and their ratios with subsequent clinical response to mepolizumab or omalizumab. We defined clinical response as a reduction in the baseline annual exacerbation rate by half or more over the one-year period following initiation of the biologic. Baseline levels of plasma IL-13 were differentially elevated in responders versus non-responders to mepolizumab and plasma CXCL10 levels were differentially elevated in responders to omalizumab. The ratio of IL-13/TNF-α had the best sensitivity and specificity in predicting response to mepolizumab and CXCL10/CCL17 to omalizumab, and these performed better as predictive biomarkers of response than BEC and IgE. Cytokines and chemokines associated with airway eosinophilia, allergic inflammation, or Th2 inflammation, such as IL-13 and CXCL10, may be better predictors of clinical response to mepolizumab and omalizumab, than IL-5 or IgE, the targets of mepolizumab and omalizumab.
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Affiliation(s)
- Ayobami Akenroye
- Division of Allergy and Clinical Immunology, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, MA, 02115, USA.
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.
| | - Tanawin Nopsopon
- Division of Allergy and Clinical Immunology, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Jonathan J Hacker
- Division of Allergy and Clinical Immunology, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Tanya M Laidlaw
- Division of Allergy and Clinical Immunology, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, MA, 02115, USA
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Xu Y, Tong X, Liu P, Huang J, Chen S, Liu D, Gu T, Xie Y, Guo D, Xu Y. Deficiency of INPP4A promotes M2 macrophage polarization in eosinophilic chronic rhinosinusitis with nasal polyps. Inflamm Res 2024:10.1007/s00011-024-01855-y. [PMID: 38363325 DOI: 10.1007/s00011-024-01855-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 01/19/2024] [Accepted: 01/26/2024] [Indexed: 02/17/2024] Open
Abstract
OBJECTIVE The treatment of eosinophilic chronic rhinosinusitis with nasal polyps (E-CRSwNP) remains a challenge due to its complex pathogenesis. Inositol polyphosphate-4-phosphatase type IA (INPP4A), a lipid phosphatase, has been implicated in allergic asthma. However, the expression and function of INPP4A in E-CRSwNP remain unclear. This study aims to investigate the role of INPP4A in macrophages in E-CRSwNP. METHODS We assessed the expression of INPP4A in human and mouse nasal mucosal tissues via immunofluorescence staining. THP-1 cells were cultured and exposed to various cytokines to investigate the regulation of INPP4A expression and its functional role. Additionally, we established a murine nasal polyp (NP) model and administrated an INPP4A-overexpressing lentivirus evaluate its impact on NP. RESULTS The percentage of INPP4A + CD68 + macrophages among total macrophages decreased in the E-CRSwNP group compared to the control and the non-eosinophilic CRSwNP (NE-CRSwNP) groups, exhibiting an inverse correlation with an increased percentage of CD206 + CD68 + M2 macrophages among total macrophages. Overexpression of INPP4A led to a reduced percentage of THP-1 cells polarizing towards the M2 phenotype, accompanied by decreased levels of associated chemotactic factors including CCL18, CCL22, CCL24, and CCL26. We also validated the involvement of the PI3K-AKT pathway in the function of INPP4A in vitro. Furthermore, INPP4A overexpression in the murine NP model resulted in the attenuation of eosinophilic inflammation in the nasal mucosa. CONCLUSIONS INPP4A deficiency promotes macrophage polarization towards the M2 phenotype, leading to the secretion of chemokines that recruit eosinophils and Th2 cells, thereby amplifying eosinophilic inflammation in E-CRSwNP. INPP4A may exert a suppressive role in eosinophilic inflammation and could potentially serve as a novel therapeutic strategy.
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Affiliation(s)
- Yingying Xu
- Department of Rhinology and Allergy, Otolaryngology-Head and Neck Surgery Center, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, China
| | - Xiaoting Tong
- Department of Rhinology and Allergy, Otolaryngology-Head and Neck Surgery Center, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, China
| | - Peiqiang Liu
- Department of Rhinology and Allergy, Otolaryngology-Head and Neck Surgery Center, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, China
| | - Jingyu Huang
- Department of Rhinology and Allergy, Otolaryngology-Head and Neck Surgery Center, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, China
| | - Siyuan Chen
- Department of Rhinology and Allergy, Otolaryngology-Head and Neck Surgery Center, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, China
| | - Duo Liu
- Department of Rhinology and Allergy, Otolaryngology-Head and Neck Surgery Center, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, China
| | - Tian Gu
- Department of Rhinology and Allergy, Otolaryngology-Head and Neck Surgery Center, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, China
| | - Yulie Xie
- Department of Rhinology and Allergy, Otolaryngology-Head and Neck Surgery Center, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, China
| | - Duo Guo
- Department of Rhinology and Allergy, Otolaryngology-Head and Neck Surgery Center, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, China
| | - Yu Xu
- Department of Rhinology and Allergy, Otolaryngology-Head and Neck Surgery Center, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, China.
- Hubei Province Key Laboratory of Allergy and Immunity, Wuhan, China.
- Research Institute of Otolaryngology-Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, China.
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Idler BM, Iijima K, Ochkur SI, Jacobsen EA, Rank MA, Kita H, Lal D. Eosinophil Peroxidase: A Biomarker for Eosinophilic Chronic Rhinosinusitis Agnostic of Polyp Status. Laryngoscope 2024; 134:69-78. [PMID: 37255054 PMCID: PMC10687314 DOI: 10.1002/lary.30787] [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: 12/22/2022] [Revised: 05/03/2023] [Accepted: 05/15/2023] [Indexed: 06/01/2023]
Abstract
OBJECTIVE To evaluate eosinophil peroxidase (EPX) as a biomarker for tissue levels of eosinophilia, cytokines, and chemokines within chronic rhinosinusitis (CRS). METHODS Twenty-eight subjects undergoing sinonasal surgery were prospectively enrolled. Ethmoid tissue was analyzed with an in-house EPX immunoassay and a 48-plex cytokine-chemokine array. Clinical severity was assessed using SNOT-22 and Lund-Mackay scores. Subjects were grouped as follows: controls, polyp status (CRS with [CRSwNP] and without nasal polyps [CRSsNP]), tissue eosinophilia (eosinophilic CRS [eCRS], non-eosinophilic CRS [neCRS]), or combinations thereof (eCRSwNP, eCRSsNP, neCRSsNP). eCRS was defined as >10 eosinophils per high power field (HPF). Subjects without CRS or asthma were enrolled as controls. RESULTS EPX was elevated in CRSwNP compared to control (p = 0.007), in eCRS compared to neCRS (p = 0.002), and in eCRSwNP along with eCRSsNP compared to neCRSsNP (p = 0.023, p = 0.015, respectively). eCRS displayed elevated IL-5 compared to neCRS (p = 0.005). No significant differences in EPX or IL-5 were observed between eCRSwNP and eCRSsNP. IL-5 was elevated in eCRSwNP (p = 0.019) compared neCRSsNP. Area under the receiver operator characteristic curve was 0.938 (95% CI, 0.835-1.00) for EPX and tissue eosinophilia, with an optimal cut-point of 470 ng/mL being 100% specific and 81.25% sensitive for tissue eosinophilia. Linear regression revealed a strong correlation between EPX and IL-5 (R2 = 0.64, p < 0.001). Comparing EPX and IL-5, only EPX displayed significant correlation with SNOT-22 (p = 0.04) and Lund-Mackay score (p = 0.004). CONCLUSION EPX is associated with tissue eosinophilia in CRS patients regardless of polyp status. EPX correlates with IL-5 and could be potentially considered a biomarker for anti-IL-5 therapies. LEVEL OF EVIDENCE 3 Laryngoscope, 134:69-78, 2024.
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Affiliation(s)
- Beau M. Idler
- Mayo Clinic Alix School of Medicine, Mayo Clinic Arizona, Scottsdale, 85259
| | - Koji Iijima
- Division of Allergy, Asthma, and Clinical Immunology, Mayo Clinic Arizona, Scottsdale, 85259
| | - Sergei I. Ochkur
- Division of Allergy, Asthma, and Clinical Immunology, Mayo Clinic Arizona, Scottsdale, 85259
| | - Elizabeth A. Jacobsen
- Division of Allergy, Asthma, and Clinical Immunology, Mayo Clinic Arizona, Scottsdale, 85259
| | - Matthew A. Rank
- Division of Allergy, Asthma, and Clinical Immunology, Mayo Clinic Arizona, Scottsdale, 85259
- Department of Otorhinolaryngology-Head and Neck Surgery, Mayo Clinic Arizona, Phoenix, 85054
| | - Hirohito Kita
- Division of Allergy, Asthma, and Clinical Immunology, Mayo Clinic Arizona, Scottsdale, 85259
- Department of Otorhinolaryngology-Head and Neck Surgery, Mayo Clinic Arizona, Phoenix, 85054
| | - Devyani Lal
- Department of Otorhinolaryngology-Head and Neck Surgery, Mayo Clinic Arizona, Phoenix, 85054
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Morin SM, Gregory KJ, Medeiros B, Terefe T, Hoshyar R, Alhusseiny A, Chen S, Schwartz RC, Jerry DJ, Vandenberg LN, Schneider SS. Benzophenone-3 exposure alters composition of tumor infiltrating immune cells and increases lung seeding of 4T1 breast cancer cells. ADVANCES IN CANCER BIOLOGY - METASTASIS 2023; 7:100080. [PMID: 37593105 PMCID: PMC10434833 DOI: 10.1016/j.adcanc.2022.100080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 08/19/2023]
Abstract
Environmental chemicals are a persistent and pervasive part of everyday life. A subset of environmental chemicals are xenoestrogens, compounds that bind to the estrogen receptor (ER) and drive estrogen-related processes. One such chemical, benzophenone-3 (BP3), is a common chemical in sunscreen. It is a potent UV protectant but also is quickly absorbed through the skin. While it has been approved by the FDA, there is a renewed interest in the safety of BP3, particularly in relation to breast cancer. The focus of this study was to examine the impact that BP3 has on triple negative breast cancer (TNBC) through alterations to cells in the immune microenvironment. In this study, we exposed female mice to one of two doses of BP3 before injecting them with a TNBC cell line. Several immune endpoints were examined both in the primary tissues and from in vitro studies of T cell behavior. Our studies revealed that in the lung tumor microenvironment, exposure to BP3 not only increased the number of metastases, but also the total area of tumor coverage. We also found that BP3 caused alterations in immune populations in a tissue-dependent manner, particularly in T cells. Taken together, our data suggest that while BP3 may not directly affect the proliferation of TNBC, growth and metastasis of TNBC-derived tumors can be altered by BP3 exposures via the alterations in the immune populations of the tumor microenvironment.
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Affiliation(s)
- Stephanie M. Morin
- Pioneer Valley Life Sciences Institute, Springfield, MA, 01199, USA
- Dept of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA, 01003, USA
| | - Kelly J. Gregory
- Pioneer Valley Life Sciences Institute, Springfield, MA, 01199, USA
| | - Brenda Medeiros
- Department of Environmental Health Sciences, School of Public Health and Health Sciences, University of Massachusetts, Amherst, 01003, USA
| | - Tigist Terefe
- Pioneer Valley Life Sciences Institute, Springfield, MA, 01199, USA
| | - Reyhane Hoshyar
- Breast Cancer and the Environment Research Program, Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, USA
| | - Ahmed Alhusseiny
- University of Massachusetts Chan Medical School-Baystate, Department of Pathology, Springfield, MA, 01199, USA
| | - Shiuan Chen
- Department of Cancer Biology and Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA, USA
| | - Richard C. Schwartz
- Breast Cancer and the Environment Research Program, Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, USA
| | - D. Joseph Jerry
- Dept of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA, 01003, USA
| | - Laura N. Vandenberg
- Department of Environmental Health Sciences, School of Public Health and Health Sciences, University of Massachusetts, Amherst, 01003, USA
| | - Sallie S. Schneider
- Pioneer Valley Life Sciences Institute, Springfield, MA, 01199, USA
- Dept of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA, 01003, USA
- University of Massachusetts Chan Medical School-Baystate, Department of Surgery, Springfield, MA, 01199, USA
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Powell TJ, Jacobs A, Tang J, Cardenas E, Palath N, Daniels J, Boyd JG, Bergeron HC, Jorquera PA, Tripp RA. Microparticle RSV Vaccines Presenting the G Protein CX3C Chemokine Motif in the Context of TLR Signaling Induce Protective Th1 Immune Responses and Prevent Pulmonary Eosinophilia Post-Challenge. Vaccines (Basel) 2022; 10:vaccines10122078. [PMID: 36560488 PMCID: PMC9785538 DOI: 10.3390/vaccines10122078] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 12/01/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
Layer-by-layer microparticle (LbL-MP) fabrication was used to produce synthetic vaccines presenting a fusion peptide containing RSV G protein CX3C chemokine motif and a CD8 epitope of the RSV matrix protein 2 (GM2) with or without a covalently linked TLR2 agonist (Pam3.GM2). Immunization of BALB/c mice with either GM2 or Pam3.GM2 LbL-MP in the absence of adjuvant elicited G-specific antibody responses and M2-specific CD8+ T-cell responses. Following challenge with RSV, mice immunized with the GM2 LbL-MP vaccine developed a Th2-biased immune response in the lungs with elevated levels of IL-4, IL-5, IL-13, and eotaxin in the bronchoalveolar lavage (BAL) fluid and a pulmonary influx of eosinophils. By comparison, mice immunized with the Pam3.GM2 LbL-MP vaccine had considerably lower to non-detectable levels of the Th2 cytokines and chemokines and very low numbers of eosinophils in the BAL fluid post-RSV challenge. In addition, mice immunized with the Pam3.GM2 LbL-MP also had higher levels of RSV G-specific IgG2a and IgG2b in the post-challenge BAL fluid compared to those immunized with the GM2 LbL-MP vaccine. While both candidates protected mice from infection following challenge, as evidenced by the reduction or elimination of RSV plaques, the inclusion of the TLR2 agonist yielded a more potent antibody response, greater protection, and a clear shift away from Th2/eosinophil responses. Since the failure of formalin-inactivated RSV (FI-RSV) vaccines tested in the 1960s has been hypothesized to be partly due to the ablation of host TLR engagement by the vaccine and inappropriate Th2 responses upon subsequent viral infection, these findings stress the importance of appropriate engagement of the innate immune response during initial exposure to RSV G CX3C.
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Affiliation(s)
- Thomas J. Powell
- Artificial Cell Technologies, 5 Science Park, Suite 13, New Haven, CT 06511, USA
- Correspondence:
| | - Andrea Jacobs
- Artificial Cell Technologies, 5 Science Park, Suite 13, New Haven, CT 06511, USA
| | - Jie Tang
- Artificial Cell Technologies, 5 Science Park, Suite 13, New Haven, CT 06511, USA
| | - Edwin Cardenas
- Artificial Cell Technologies, 5 Science Park, Suite 13, New Haven, CT 06511, USA
| | - Naveen Palath
- Artificial Cell Technologies, 5 Science Park, Suite 13, New Haven, CT 06511, USA
| | - Jennifer Daniels
- Artificial Cell Technologies, 5 Science Park, Suite 13, New Haven, CT 06511, USA
| | - James G. Boyd
- Artificial Cell Technologies, 5 Science Park, Suite 13, New Haven, CT 06511, USA
| | - Harrison C. Bergeron
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA
| | - Patricia A. Jorquera
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA
| | - Ralph A. Tripp
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA
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Repeated exposure of bronchial epithelial cells to particular matter increases allergen-induced cytokine release and permeability. Cytokine 2022; 154:155878. [DOI: 10.1016/j.cyto.2022.155878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Accepted: 04/03/2022] [Indexed: 11/22/2022]
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Wang R, Huang K. CCL11 increases the proportion of CD4+CD25+Foxp3+ Treg cells and the production of IL‑2 and TGF‑β by CD4+ T cells via the STAT5 signaling pathway. Mol Med Rep 2020; 21:2522-2532. [PMID: 32323817 PMCID: PMC7185287 DOI: 10.3892/mmr.2020.11049] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 02/27/2020] [Indexed: 12/20/2022] Open
Abstract
CD4+ regulatory T (Treg) cells are associated with immune tolerance and antitumor immunosuppression. The aim of the present study was to investigate the role and molecular mechanism of C-C motif chemokine ligand 11 (CCL11) in the regulation of Treg cells from patients with breast cancer (BC) and healthy individuals in vitro, and from tumor-bearing mice in vivo. CD4+ T cells isolated from patients with BC or healthy individuals were incubated with anti-CCL11 neutralizing antibodies or recombinant human CCL11 protein, in the presence or absence of a STAT5 inhibitor. The serum CCL11 level and proportion of Treg cells characterized as CD4+CD25+forkhead box P3+ (Foxp3) among the CD4+ T cells in patients with BC and healthy individuals were analyzed by ELISA and flow cytometry, respectively. CCL11, C-C motif chemokine receptor 3 (CCR3), Foxp3, phosphorylated-STAT5 and STAT5 expression levels were determined by western blotting. The serum CCL11 level and the proportion of CD4+CD25+Foxp3+ Treg cells were significantly increased in patients with BC compared with healthy individuals. CCL11 blockade reduced the proportion of CD4+CD25+Foxp3+ Treg cells, the expression of CCR3 and Foxp3, and the level of STAT5 activation in tumor-associated CD4+ T cells, in a dose-dependent manner. CCL11 blockade also reduced the proportion of CD4+CD25+Foxp3+ Treg cells and the serum levels of interleukin (IL)-2 and transforming growth factor (TGF)-β1 in tumor-bearing mice. The recombinant human CCL11 protein increased the proportion of CD4+CD25+Foxp3+ Treg cells, the expression of CCR3 and Foxp3, and the release of IL-2 and TGF-β1 in non-tumor-associated CD4+ T cells via the STAT5 signaling pathway. The results of the present study may aid in identifying therapeutics that could further modulate the immune system during BC.
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Affiliation(s)
- Rong Wang
- Department of Clinical Laboratory, Huangpu Branch, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, P.R. China
| | - Keliang Huang
- Department of Clinical Laboratory, Huangpu Branch, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, P.R. China
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Oxaliplatin Treatment Alters Systemic Immune Responses. BIOMED RESEARCH INTERNATIONAL 2019; 2019:4650695. [PMID: 30906773 PMCID: PMC6398049 DOI: 10.1155/2019/4650695] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Accepted: 11/22/2018] [Indexed: 12/14/2022]
Abstract
Purpose Oxaliplatin is a platinum-based chemotherapeutic agent demonstrating significant antitumor efficacy. Unlike conventional anticancer agents which are immunosuppressive, oxaliplatin has the capacity to stimulate immunological effects in response to the presentation of damage associated molecular patterns (DAMPs) elicited upon cell death. However, the effects of oxaliplatin treatment on systemic immune responses remain largely unknown. Aims of this study were to investigate the effects of oxaliplatin treatment on the proportions of (1) splenic T cells, B cells, macrophages, pro-/anti-inflammatory cytokines, gene expression of splenic cytokines, chemokines, and mediators; (2) double-positive and single-positive CD4+ and CD8+ T thymocytes; (3) bone-marrow hematopoietic stem and progenitor cells. Methods Male BALB/c mice received intraperitoneal injections of oxaliplatin (3mg/kg/d) or sterile water tri-weekly for 2 weeks. Leukocyte populations within the spleen, thymus, and bone-marrow were assessed using flow cytometry. RT-PCR was performed to characterise changes in splenic inflammation-associated genes. Results Oxaliplatin treatment reduced spleen size and cellularity (CD45+ cells), increased the proportion of CD4+, CD8+, and Treg cells, and elevated TNF-α expression. Oxaliplatin was selectively cytotoxic to B cells but had no effect on splenic macrophages. Oxaliplatin treatment altered the gene expression of several cytokines, chemokines, and cell mediators. Oxaliplatin did not deplete double-positive thymocytes but increased the single-positive CD8+ subset. There was also an increase in activated (CD69+) CD8+ T cells. Bone-marrow hematopoietic progenitor pool was demonstrably normal following oxaliplatin treatment when compared to the vehicle-treated cohort. Conclusion Oxaliplatin does not cause systemic immunosuppression and, instead, has the capacity to induce beneficial antitumor immune responses.
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Stojanovska V, McQuade RM, Fraser S, Prakash M, Gondalia S, Stavely R, Palombo E, Apostolopoulos V, Sakkal S, Nurgali K. Oxaliplatin-induced changes in microbiota, TLR4+ cells and enhanced HMGB1 expression in the murine colon. PLoS One 2018; 13:e0198359. [PMID: 29894476 PMCID: PMC5997344 DOI: 10.1371/journal.pone.0198359] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Accepted: 05/17/2018] [Indexed: 02/07/2023] Open
Abstract
Oxaliplatin is a platinum-based chemotherapeutic used for cancer treatment. Its use associates with peripheral neuropathies and chronic gastrointestinal side-effects. Oxaliplatin induces immunogenic cell death by provoking the presentation of damage associated molecular patterns. The damage associated molecular patterns high-mobility group box 1 (HMGB1) protein exerts pro-inflammatory cytokine-like activity and binds to toll-like receptors (namely TLR4). Gastrointestinal microbiota may influence chemotherapeutic efficacy and contribute to local and systemic inflammation. We studied effects of oxaliplatin treatment on 1) TLR4 and high-mobility group box 1 expression within the colon; 2) gastrointestinal microbiota composition; 3) inflammation within the colon; 4) changes in Peyer's patches and mesenteric lymph nodes immune populations in mice. TLR4+ cells displayed pseudopodia-like extensions characteristic of antigen sampling co-localised with high-mobility group box 1 -overexpressing cells in the colonic lamina propria from oxaliplatin-treated animals. Oxaliplatin treatment caused significant reduction in Parabacteroides and Prevotella1, but increase in Prevotella2 and Odoribacter bacteria at the genus level. Downregulation of pro-inflammatory cytokines and chemokines in colon samples, a reduction in macrophages and dendritic cells in mesenteric lymph nodes were found after oxaliplatin treatment. In conclusion, oxaliplatin treatment caused morphological changes in TLR4+ cells, increase in gram-negative microbiota and enhanced HMGB1 expression associated with immunosuppression in the colon.
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Affiliation(s)
- Vanesa Stojanovska
- College of Health and Biomedicine, Institute for Health and Sport, Victoria University, Melbourne, Victoria, Australia
| | - Rachel M. McQuade
- College of Health and Biomedicine, Institute for Health and Sport, Victoria University, Melbourne, Victoria, Australia
| | - Sarah Fraser
- College of Health and Biomedicine, Institute for Health and Sport, Victoria University, Melbourne, Victoria, Australia
| | - Monica Prakash
- College of Health and Biomedicine, Institute for Health and Sport, Victoria University, Melbourne, Victoria, Australia
| | - Shakuntla Gondalia
- Centre for Human Psychopharmacology, Swinburne University of Technology, Hawthorn, Melbourne, Victoria, Australia
| | - Rhian Stavely
- College of Health and Biomedicine, Institute for Health and Sport, Victoria University, Melbourne, Victoria, Australia
| | - Enzo Palombo
- Department of Chemistry and Biotechnology, Swinburne University of Technology, Hawthorn, Melbourne, Victoria, Australia
| | - Vasso Apostolopoulos
- College of Health and Biomedicine, Institute for Health and Sport, Victoria University, Melbourne, Victoria, Australia
| | - Samy Sakkal
- College of Health and Biomedicine, Institute for Health and Sport, Victoria University, Melbourne, Victoria, Australia
| | - Kulmira Nurgali
- College of Health and Biomedicine, Institute for Health and Sport, Victoria University, Melbourne, Victoria, Australia
- Department of Medicine Western Health, The University of Melbourne, Regenerative Medicine and Stem Cells Program, Australian Institute for Musculoskeletal Science (AIMSS), Melbourne, Victoria, Australia
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11
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Bischoff L, Alvarez S, Dai DL, Soukhatcheva G, Orban PC, Verchere CB. Cellular mechanisms of CCL22-mediated attenuation of autoimmune diabetes. THE JOURNAL OF IMMUNOLOGY 2015; 194:3054-64. [PMID: 25740943 DOI: 10.4049/jimmunol.1400567] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Autoimmune destruction of insulin-producing β cells in type 1 diabetes and islet transplantation involves a variety of immune pathways but is primarily mediated by self-reactive T cells. Chemokines can modulate local immune responses in inflammation and tumors by recruiting immune cells. We have reported that expression of the chemokine CCL22 in pancreatic β cells in the NOD mouse prevents autoimmune attack by recruiting T regulatory cells (Tregs), protecting mice from diabetes. In this study we show that invariant NKT cells are also recruited to CCL22-expressing islet transplants and are required for CCL22-mediated protection from autoimmunity. Moreover, CCL22 induces an influx of plasmacytoid dendritic cells, which correlates with higher levels of IDO in CCL22-expressing islet grafts. In addition to its chemotactic properties, we found that CCL22 activates Tregs and promotes their ability to induce expression of IDO by dendritic cells. Islet CCL22 expression thus produces a tolerogenic milieu through the interplay of Tregs, invariant NKT cells, and plasmacytoid dendritic cells, which results in suppression of effector T cell responses and protection of β cells. The immunomodulatory properties of CCL22 could be harnessed for prevention of graft rejection and type 1 diabetes as well as other autoimmune disorders.
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Affiliation(s)
- Loraine Bischoff
- Department of Pathology and Laboratory Medicine, Child and Family Research Institute, University of British Columbia, Vancouver, British Columbia V5Z 4H4, Canada; and
| | - Sigrid Alvarez
- Department of Pathology and Laboratory Medicine, Child and Family Research Institute, University of British Columbia, Vancouver, British Columbia V5Z 4H4, Canada; and
| | - Derek L Dai
- Department of Pathology and Laboratory Medicine, Child and Family Research Institute, University of British Columbia, Vancouver, British Columbia V5Z 4H4, Canada; and
| | - Galina Soukhatcheva
- Department of Pathology and Laboratory Medicine, Child and Family Research Institute, University of British Columbia, Vancouver, British Columbia V5Z 4H4, Canada; and
| | - Paul C Orban
- Department of Pathology and Laboratory Medicine, Child and Family Research Institute, University of British Columbia, Vancouver, British Columbia V5Z 4H4, Canada; and
| | - C Bruce Verchere
- Department of Pathology and Laboratory Medicine, Child and Family Research Institute, University of British Columbia, Vancouver, British Columbia V5Z 4H4, Canada; and Department of Surgery, University of British Columbia, Vancouver, British Columbia V5Z 4H4, Canada
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12
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Al-Ayadhi LY, Mostafa GA. Elevated serum levels of macrophage-derived chemokine and thymus and activation-regulated chemokine in autistic children. J Neuroinflammation 2013; 10:72. [PMID: 23782855 PMCID: PMC3704803 DOI: 10.1186/1742-2094-10-72] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2013] [Accepted: 05/21/2013] [Indexed: 12/14/2022] Open
Abstract
Background In some autistic children, there is an imbalance of T helper (Th)1/Th2 lymphocytes toward Th2, which may be responsible for the induction of the production of autoantibodies in these children. Th2 lymphocytes express CCR4 receptors. CCR4 ligands include macrophage-derived chemokine (MDC) and thymus and activation-regulated chemokine (TARC). They direct trafficking and recruitment of Th2 cells. We are the first to measure serum levels of CCR4 ligands in relation to the degree of the severity of autism. Methods Serum concentrations of MDC and TARC were measured, by quantitative sandwich enzyme immunoassay technique, in 56 autistic children and 32 healthy matched children. Results Autistic children had significantly higher serum levels of MDC and TARC than healthy controls (P <0.001 and P <0.001, respectively). Children with severe autism had significantly higher serum levels of MDC and TARC than patients with mild to moderate autism (P <0.001 and P = 0.01, respectively). In addition, there were significant positive correlations between CARS and serum levels of both MDC (P <0.001) and TARC (P <0.001) in children with autism. There were significant positive correlations between serum levels of MDC and TARC in autistic children (P <0.001). Conclusions Serum levels of CCR4 ligands were elevated in autistic children and they were significantly correlated to the degree of the severity of autism. However, further research is warranted to determine the pathogenic role of CCR4 ligands in autism and to shed light on the therapeutic role of CCR4-ligand antagonism in autistic children.
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Affiliation(s)
- Laila Yousef Al-Ayadhi
- Autism Research and Treatment Center, Department of Physiology, Faculty of Medicine, King Saud University, Riyadh, Saudi Arabia
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13
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Resolution of inflammation: mechanisms and opportunity for drug development. Pharmacol Ther 2013; 139:189-212. [PMID: 23583354 DOI: 10.1016/j.pharmthera.2013.04.006] [Citation(s) in RCA: 153] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2013] [Accepted: 04/01/2013] [Indexed: 12/12/2022]
Abstract
Inflammation is a beneficial host reaction to tissue damage and has the essential primary purpose of restoring tissue homeostasis. Inflammation plays a major role in containing and resolving infection and may also occur under sterile conditions. The cardinal signs of inflammation dolor, calor, tumor and rubor are intrinsically associated with events including vasodilatation, edema and leukocyte trafficking into the site of inflammation. If uncontrolled or unresolved, inflammation itself can lead to further tissue damage and give rise to chronic inflammatory diseases and autoimmunity with eventual loss of organ function. It is now evident that the resolution of inflammation is an active continuous process that occurs during an acute inflammatory episode. Successful resolution requires activation of endogenous programs with switch from production of pro-inflammatory towards pro-resolving molecules, such as specific lipid mediators and annexin A1, and the non-phlogistic elimination of granulocytes by apoptosis with subsequent removal by surrounding macrophages. These processes ensure rapid restoration of tissue homeostasis. Here, we review recent advances in the understanding of resolution of inflammation, highlighting the pharmacological strategies that may interfere with the molecular pathways which control leukocyte survival and clearance. Such strategies have proved beneficial in several pre-clinical models of inflammatory diseases, suggesting that pharmacological modulation of the resolution process may be useful for the treatment of chronic inflammatory diseases in humans.
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Osborn O, Sanchez-Alavez M, Dubins JS, Gonzalez AS, Morrison B, Hadcock JR, Bartfai T. Ccl22/MDC, is a prostaglandin dependent pyrogen, acting in the anterior hypothalamus to induce hyperthermia via activation of brown adipose tissue. Cytokine 2010; 53:311-9. [PMID: 21177120 DOI: 10.1016/j.cyto.2010.11.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2010] [Revised: 10/20/2010] [Accepted: 11/19/2010] [Indexed: 01/22/2023]
Abstract
CC Chemokine ligand 22 (Ccl22) is a selective, high affinity ligand at the CC chemokine receptor 4 (Ccr4). We have identified cDNAs encoding both ligand and receptor of the Ccl22-Ccr4 pair in cDNA libraries of the anterior hypothalamus/pre-optic area (AH/POA) by PCR. The AH/POA is the key brain region where endogenous pyrogens have been shown to act on warm sensitive neurons to affect thermogenesis in brown adipose tissue (BAT) and other thermogenically responsive tissues. We show that functional Ccr4 receptors are present in the AH/POA neurons as injection of Ccl22 into the POA but not to other hypothalamic nuclei induces an increase in core body temperature as measured by radiotelemetry. Indomethacin (5 mg/kg s.c) pre-treatment markedly reduced the hyperthermia evoked by POA injection of Ccl22 (10 ng/0.5 ul) and thus suggests that this hyperthermia is mediated through cyclooxygenase activation and thus likely through the formation and action of the pyrogen prostaglandin E2. The temperature elevation involves a decrease in the respiratory exchange ratio and increased activation of the brown adipose tissue as demonstrated by ¹⁸F-FDG-PET imaging. We describe a novel role to the ligand Ccl22 and its receptor Ccr4 in the anterior hypothalamus in temperature regulation that depends on the synthesis of the endogenous pyrogen, prostaglandin E2.
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Affiliation(s)
- Olivia Osborn
- The Harold L. Dorris Neurological Research Institute, Department of Molecular and Integrative Neurosciences, The Scripps Research Institute, La Jolla, CA 92037, USA.
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15
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The molecular phenotype of severe asthma in children. J Allergy Clin Immunol 2010; 125:851-857.e18. [PMID: 20371397 DOI: 10.1016/j.jaci.2010.01.048] [Citation(s) in RCA: 119] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2009] [Revised: 01/06/2010] [Accepted: 01/28/2010] [Indexed: 11/20/2022]
Abstract
BACKGROUND Although the clinical attributes of severe asthma in children have been well described, the differentiating features of the lower airway inflammatory response are less understood. OBJECTIVES We sought to discriminate severe from moderate asthma in children by applying linear discriminant analysis, a supervised method of high-dimensional data reduction, to cytokines and chemokines measured in the bronchoalveolar lavage (BAL) fluid and alveolar macrophage (AM) lysate. METHODS Bronchoalveolar lavage fluid was available from 53 children with asthma (severe asthma, n = 31) undergoing bronchoscopy for clinical indications and 30 nonsmoking adults. Twenty-three cytokines and chemokines were measured by using bead-based multiplex assays. Linear discriminant analyses of the BAL fluid and AM analytes were performed to develop predictive models of severe asthma in children. RESULTS Although univariate analysis of single analytes did not differentiate severe from moderate asthma in children, linear discriminant analyses allowed for near complete separation of the moderate and severe asthmatic groups. Significant correlations were also noted between several of the AM and BAL analytes measured. In the BAL fluid, IL-13 and IL-6 differentiated subjects with asthma from controls, whereas growth-related oncogene (CXCL1), RANTES (CCL5), IL-12, IFN-gamma, and IL-10 best characterized severe versus moderate asthma in children. In the AM lysate, IL-6 was the strongest discriminator of all the groups. CONCLUSION Severe asthma in children is characterized by a distinct airway molecular phenotype that does not have a clear T(H)1 or T(H)2 pattern. Improved classification of children with severe asthma may assist with the development of targeted therapeutics for this group of children who are difficult to treat.
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16
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Galzi JL, Hachet-Haas M, Bonnet D, Daubeuf F, Lecat S, Hibert M, Haiech J, Frossard N. Neutralizing endogenous chemokines with small molecules. Principles and potential therapeutic applications. Pharmacol Ther 2010; 126:39-55. [PMID: 20117133 PMCID: PMC7112609 DOI: 10.1016/j.pharmthera.2009.12.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2009] [Accepted: 12/24/2009] [Indexed: 02/08/2023]
Abstract
Regulation of cellular responses to external stimuli such as hormones, neurotransmitters, or cytokines is achieved through the control of all steps of the complex cascade starting with synthesis, going through maturation steps, release, distribution, degradation and/or uptake of the signalling molecule interacting with the target protein. One possible way of regulation, referred to as scavenging or neutralization of the ligand, has been increasingly studied, especially for small protein ligands. It shows innovative potential in chemical biology approaches as well as in disease treatment. Neutralization of protein ligands, as for example cytokines or chemokines can lead to the validation of signalling pathways under physiological or pathophysiological conditions, and in certain cases, to the development of therapeutic molecules now used in autoimmune diseases, chronic inflammation and cancer treatment. This review explores the field of ligand neutralization and tries to determine to what extent small chemical molecules could substitute for neutralizing antibodies in therapeutic approaches.
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Affiliation(s)
- Jean-Luc Galzi
- IREBS, FRE3211, Ecole Supérieure de Biotechnologie de Strasbourg, Boulevard Sébastien Brant, 67412 Illkirch, France.
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17
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Mostafa GA, Tomoum HY, Salem SAA, Abd El-Aziz MM, Abou El-Maged DI, El-Sayed El-Far I. Serum concentrations of CCR4 ligands in relation to clinical severity of atopic dermatitis in Egyptian children. Pediatr Allergy Immunol 2008; 19:756-62. [PMID: 18435706 DOI: 10.1111/j.1399-3038.2008.00728.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
T helper 2 (Th2) lymphocytes, the key effector cells in pathogenesis of atopic dermatitis (AD), express CCR4 receptors. CCR4 ligands (macrophage-derived chemokine 'MDC' and thymus and activation-regulated chemokine 'TARC') direct trafficking and recruitment of Th2 cells into lesional skin in AD. These chemokines appear to be useful inflammatory markers for assessing severity of AD in adults. However, the same results have not been replicated in children. Therefore, we were stimulated to elucidate the expression of CCR4 ligands in children with AD and their relation to clinical disease severity. To investigate this, serum concentrations of CCR4 ligands were determined in 60 children, of whom 30 had AD and 30 were healthy matched subjects. Patients were classified into mild (n = 8), moderate (n = 12) and severe (n = 10) according to the objective scoring AD (obj-SCORAD) index. Serum concentrations of MDC and TARC were significantly increased in children with AD (2697 +/- 982.6 pg/ml and 945.5 +/- 494.7 pg/ml, respectively) compared with controls (357.2 +/- 233.2 pg/ml and 214.2 +/- 116.6 pg/ml, respectively, p < 0.0001). Serum levels of both chemokines went hand in hand with disease severity as they were significantly higher in severe than moderate and in moderate than mild AD. In addition, they correlated positively with obj-SCORAD (r = 0.99 for both, p < 0.0001). Furthermore, both chemokines had significant positive correlations to blood eosinophil counts and serum immunoglobulin E. In conclusion, serum CCR4 ligands may be useful inflammatory markers for assessing AD severity in children. Further studies may pave way for CCR4 ligands antagonism among the adjuvant therapeutic strategies of AD.
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Affiliation(s)
- Gehan Ahmed Mostafa
- Department of Pediatrics, Faculty of Medicine, Ain Shams University, Cairo, Egypt
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18
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Penido C, Costa KA, Costa MFDS, Pereira JDFG, Siani AC, Henriques MDGMDO. Inhibition of allergen-induced eosinophil recruitment by natural tetranortriterpenoids is mediated by the suppression of IL-5, CCL11/eotaxin and NFkappaB activation. Int Immunopharmacol 2005; 6:109-21. [PMID: 16399616 DOI: 10.1016/j.intimp.2005.07.011] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2005] [Revised: 06/27/2005] [Accepted: 07/08/2005] [Indexed: 11/30/2022]
Abstract
The present study reports the anti-allergic activity of a group of six different tetranortriterpenoids (TNTP) isolated from the seeds of Carapa guianensis Aublet: 6a-acetoxygedunin, 7-deacetoxy-7-oxogedunin, andirobin, methyl angolensate, 6a-acetoxyepoxyazadiradione and gedunin. Oral pretreatment with TNTP significantly inhibited total leukocyte and eosinophil accumulation in C57BL/10 mice pleural cavities 24 h after the intrathoracic (i.t.) injection of ovalbumin (OVA), but had no effect on CD4, CD8 or gammadelta T lymphocyte accumulation. Pleural washes recovered from 6 h OVA-stimulated mice (OPW) pretreated with TNTP failed to induce shape change in eosinophil in vitro, indicating the inhibition of eosinophilotactic chemokines by TNTP. In accordance with such results, ELISA assays showed decreased levels of CCL11/eotaxin and IL-5 in OPW recovered from TNTP pretreated mice within 6 h. TNTP oral pretreatment inhibited nuclear factor-kappaB (NFkappaB) translocation into the nucleus in pleural leukocytes recovered from previously sensitized mice after antigenic challenge. In addition, the incubation of splenocytes recovered from previously sensitized mice with TNTP also inhibited NFkappaB activation after OVA stimulation. Taken together, these results indicate that the inhibition of allergic eosinophilia by TNTP is correlated with the inhibition of CCL11/eotaxin and IL-5 generation through NFkappaB signaling pathway impairment in mice.
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Affiliation(s)
- Carmen Penido
- Departamento de Farmacologia Aplicada, Far-Manguinhos, Fundação Oswaldo Cruz, Rua Sizenando Nabuco 100, 21041-250, Rio de Janeiro, RJ, Brazil
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Chemokines and Chemokine Receptors in Pulmonary Disease. CURRENT TOPICS IN MEMBRANES 2005. [DOI: 10.1016/s1063-5823(04)55008-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Jakubzick C, Wen H, Matsukawa A, Keller M, Kunkel SL, Hogaboam CM. Role of CCR4 ligands, CCL17 and CCL22, during Schistosoma mansoni egg-induced pulmonary granuloma formation in mice. THE AMERICAN JOURNAL OF PATHOLOGY 2004; 165:1211-21. [PMID: 15466387 PMCID: PMC1618636 DOI: 10.1016/s0002-9440(10)63381-0] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Controversy persists pertaining to the role of CCR4 ligands, namely CCL17 (or thymus and activation regulated chemokine; TARC) and CCL22 (or macrophage-derived chemokine; MDC), in Th2-type cytokine-dominated responses in the lung. Accordingly, the present study addressed the relative role of each of these CC chemokines during an evolving pulmonary granulomatous response elicited by the intrapulmonary embolization of live Schistosoma mansoni eggs into S. mansoni-sensitized mice. CCL22 protein expression peaked at day 4, but CCL17 levels were not increased significantly at any time after egg challenge. CCR4 transcript and protein expression were highest at day 8 after egg embolization and CCR4 protein was prominently expressed in macrophages surrounding S. mansoni eggs. Systemic immunoneutralization of CCL22 from the time of egg injection into S. mansoni-sensitized mice for 8 days significantly decreased CCR4 protein expression, the eosinophil content, the overall size of the egg granuloma, and its hydroxyproline content. Whole lung levels of interferon-gamma were also significantly increased at day 8 in anti-CCL22-treated mice. The systemic immunoneutralization of CCL17 had a lesser effect on all of the granuloma parameters listed above, but this antibody treatment significantly decreased granuloma hydroxyproline content to a greater extent than the anti-CCL22 antibody treatment. In addition, the immunoneutralization of CCL17 significantly increased whole lung levels of interleukin (IL)-4, IL-5, IL-13, transforming growth factor-beta, IL-12, and tumor necrosis factor-alpha at day 8 after egg infusion. Thus, these studies demonstrate a major role for CCL22 and a lesser role for CCL17 during an evolving S. mansoni egg granuloma in the lung.
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Affiliation(s)
- Claudia Jakubzick
- Department of Pathology, University of Michigan Medical School, 1301 Catherine Rd., Ann Arbor, MI 48109-0602, USA
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Chang EE, Yen CM. Eosinophil chemoattracted by eotaxin from cerebrospinal fluid of mice infected with Angiostrongylus cantonensis assayed in a microchamber. Kaohsiung J Med Sci 2004; 20:209-15. [PMID: 15233231 DOI: 10.1016/s1607-551x(09)70108-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
When non-permissive hosts are infected with Angiostrongylus cantonensis, the migration of the worms to the brain and their subsequent development manifests as marked eosinophilic pleocytosis. We used microchambers to demonstrate direct eosinophil chemotactic activity by adding a variety of antibodies into cerebrospinal fluid (CSF) of BALB/c mice 21 days post-infection with A. cantonensis. The antibodies were directed to neutralize eotaxin, RANTES (regulated on activation, normal T-cells expressed and secreted), macrophage inflammatory protein (MIP)-1alpha, and platelet-activating factor (PAF), respectively. Eosinophil migration into the polycarbonate membrane covering CSF with anti-eotaxin or anti-MIP-1alpha antibodies was significantly lower than that for antibody-free CSF (Student's t test: p < 0.01, p < 0.05). We also collected CSF from mice 21 days after infection with 10, 20, 30, 40, and 50 third-stage larvae (L3) respectively for dose-dependent testing, and 40 L3 at days 7, 14, and 21 after infection for time-dependent testing. Chemokine production in CSF was affected by A. cantonensis infection intensity and post-infection time. In conclusion, eotaxin and MIP-1alpha released in the CSF of A. cantonensis-infected mice have eosinophil chemotactic activity in this in vitro assay.
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Affiliation(s)
- Eddy Essen Chang
- Department of Parasitology, Kaohsiung Medical University, Kaohsiung, Taiwan
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