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Chitsamankhun C, Siritongtaworn N, Fournier BPJ, Sriwattanapong K, Theerapanon T, Samaranayake L, Porntaveetus T. Cathepsin C in health and disease: from structural insights to therapeutic prospects. J Transl Med 2024; 22:777. [PMID: 39164687 PMCID: PMC11337848 DOI: 10.1186/s12967-024-05589-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 08/07/2024] [Indexed: 08/22/2024] Open
Abstract
Cathepsin C (CTSC) is a lysosomal cysteine protease constitutively expressed at high levels in the lung, kidney, liver, and spleen. It plays a key role in the activation of serine proteases in cytotoxic T cells, natural killer cells (granzymes A and B), mast cells (chymase and tryptase) and neutrophils (cathepsin G, neutrophil elastase, proteinase 3) underscoring its pivotal significance in immune and inflammatory defenses. Here, we comprehensively review the structural attributes, synthesis, and function of CTSC, with a focus on its variants implicated in the etiopathology of several syndromes associated with neutrophil serine proteases, including Papillon-Lefevre syndrome (PLS), Haim-Munk Syndrome (HMS), and aggressive periodontitis (AP). These syndromes are characterized by palmoplantar hyperkeratosis, and early-onset periodontitis (severe gum disease) resulting in premature tooth loss. Due to the critical role played by CTSC in these and several other conditions it is being explored as a potential therapeutic target for autoimmune and inflammatory disorders. The review also discusses in depth the gene variants of CTSC, and in particular their postulated association with chronic obstructive pulmonary disease (COPD), COVID-19, various cancers, anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis, sudden cardiac death (SCD), atherosclerotic vascular disease, and neuroinflammatory disease. Finally, the therapeutic potential of CTSC across a range of human diseases is discussed.
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Affiliation(s)
- Chakriya Chitsamankhun
- Center of Excellence in Genomics and Precision Dentistry, Department of Physiology, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Nutwara Siritongtaworn
- Center of Excellence in Genomics and Precision Dentistry, Department of Physiology, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand
| | - B P J Fournier
- Dental Faculty, Oral Biology Department, Reference Center of Oral and Dental Rare Diseases, Rothschild Hospital, Université Paris Cité, Paris, France
| | - Kanokwan Sriwattanapong
- Center of Excellence in Genomics and Precision Dentistry, Department of Physiology, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Thanakorn Theerapanon
- Center of Excellence in Genomics and Precision Dentistry, Department of Physiology, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Lakshman Samaranayake
- Faculty of Dentistry, University of Hong Kong, Hospital Road, Hong Kong, Hong Kong
- Office of Research Affairs, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Thantrira Porntaveetus
- Center of Excellence in Genomics and Precision Dentistry, Department of Physiology, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand.
- Graduate Program in Geriatric and Special Patients Care, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand.
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Liu TT, Wang YL, Zhang Z, Jia LX, Zhang J, Zheng S, Chen ZH, Shen HH, Piao CM, Du J. Abnormal adenosine metabolism of neutrophils inhibits airway inflammation and remodeling in asthma model induced by Aspergillus fumigatus. BMC Pulm Med 2023; 23:258. [PMID: 37452319 PMCID: PMC10347753 DOI: 10.1186/s12890-023-02553-x] [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: 01/06/2023] [Accepted: 07/06/2023] [Indexed: 07/18/2023] Open
Abstract
BACKGROUND Neutrophils consume a large amount of energy when performing their functions. Compared with other white blood cells, neutrophils contain few mitochondria and mainly rely on glycolysis and gluconeogenesis to produce ATP. The inflammatory site is hypoxic and nutrient poor. Our aim is to study the role of abnormal adenosine metabolism of neutrophils in the asthmatic airway inflammation microenvironment. METHOD In this study, an asthma model was established by intratracheal instillation of Aspergillus fumigatus extract in Ecto-5'-Nucleotidase (CD73) gene-knockout and wild-type mice. Multiple analyses from bronchoalveolar lavage fluid (BALF) were used to determine the levels of cytokines and chemokines. Immunohistochemistry was used to detect subcutaneous fibrosis and inflammatory cell infiltration. Finally, adenosine 5'-(α, β-methylene) diphosphate (APCP), a CD73 inhibitor, was pumped subcutaneously before Aspergillus attack to observe the infiltration of inflammatory cells and subcutaneous fibrosis to clarify its therapeutic effect. RESULT PAS staining showed that CD73 knockout inhibited pulmonary epithelial cell proliferation and bronchial fibrosis induced by Aspergillus extract. The genetic knockdownof CD73 significantly reduced the production of Th2 cytokines, interleukin (IL)-4, IL-6, IL-13, chemokine (C-C motif) ligand 5 (CCL5), eosinophil chemokine, neutrophil IL-17, and granulocyte colony-stimulating factor (G-CSF). In addition, exogenous adenosine supplementation increased airway inflammation. Finally, the CD73 inhibitor APCP was administered to reduce inflammation and subcutaneous fibrosis. CONCLUSION Elevated adenosine metabolism plays an inflammatory role in asthma, and CD73 could be a potential therapeutic target for asthma.
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Affiliation(s)
- Ting-Ting Liu
- Beijing Anzhen Hospital, Capital Medical University; Beijing Institute of Heart, Lung and Blood Vessel Diseases, The Key Laboratory of Remodeling Cardiovascular Diseases, Ministry of Education; Collaborative Innovation Center for Cardiovascular Disorders, 100029, Beijing, China
| | - Yue-Li Wang
- Beijing Anzhen Hospital, Capital Medical University; Beijing Institute of Heart, Lung and Blood Vessel Diseases, The Key Laboratory of Remodeling Cardiovascular Diseases, Ministry of Education; Collaborative Innovation Center for Cardiovascular Disorders, 100029, Beijing, China
| | - Zhi Zhang
- Beijing Anzhen Hospital, Capital Medical University; Beijing Institute of Heart, Lung and Blood Vessel Diseases, The Key Laboratory of Remodeling Cardiovascular Diseases, Ministry of Education; Collaborative Innovation Center for Cardiovascular Disorders, 100029, Beijing, China
| | - Li-Xin Jia
- Beijing Anzhen Hospital, Capital Medical University; Beijing Institute of Heart, Lung and Blood Vessel Diseases, The Key Laboratory of Remodeling Cardiovascular Diseases, Ministry of Education; Collaborative Innovation Center for Cardiovascular Disorders, 100029, Beijing, China
| | - Jing Zhang
- Beijing Anzhen Hospital, Capital Medical University; Beijing Institute of Heart, Lung and Blood Vessel Diseases, The Key Laboratory of Remodeling Cardiovascular Diseases, Ministry of Education; Collaborative Innovation Center for Cardiovascular Disorders, 100029, Beijing, China
| | - Shuai Zheng
- Beijing Anzhen Hospital, Capital Medical University; Beijing Institute of Heart, Lung and Blood Vessel Diseases, The Key Laboratory of Remodeling Cardiovascular Diseases, Ministry of Education; Collaborative Innovation Center for Cardiovascular Disorders, 100029, Beijing, China
| | - Zhi-Hua Chen
- Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Hua-Hao Shen
- Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Chun-Mei Piao
- Beijing Anzhen Hospital, Capital Medical University; Beijing Institute of Heart, Lung and Blood Vessel Diseases, The Key Laboratory of Remodeling Cardiovascular Diseases, Ministry of Education; Collaborative Innovation Center for Cardiovascular Disorders, 100029, Beijing, China.
| | - Jie Du
- Beijing Anzhen Hospital, Capital Medical University; Beijing Institute of Heart, Lung and Blood Vessel Diseases, The Key Laboratory of Remodeling Cardiovascular Diseases, Ministry of Education; Collaborative Innovation Center for Cardiovascular Disorders, 100029, Beijing, China.
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Rehman S, Gora AH, Siriyappagouder P, Brugman S, Fernandes JMO, Dias J, Kiron V. Zebrafish intestinal transcriptome highlights subdued inflammatory responses to dietary soya bean and efficacy of yeast β-glucan. JOURNAL OF FISH DISEASES 2021; 44:1619-1637. [PMID: 34237181 DOI: 10.1111/jfd.13484] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 06/11/2021] [Accepted: 06/14/2021] [Indexed: 06/13/2023]
Abstract
Anti-nutritional factors in dietary components can have a negative impact on the intestinal barrier. Here, we present soya bean-induced changes in the intestine of juvenile zebrafish and the effect of yeast β-glucan through a transcriptomic approach. The inclusion of soya bean meal affected the expression of several intestinal barrier function-related genes like arl4ca, rab25b, rhoub, muc5ac, muc5d, clcn2c and cltb in zebrafish. Several metabolic genes like cyp2x10.2, cyp2aa2, aldh3a2b, crata, elovl4, elovl6, slc51a, gpat2 and ATP-dependent peptidase activity (lonrf, clpxb) were altered in the intestinal tissue. The expression of immune-related genes like nlrc3, nlrp12, gimap8, prdm1 and tph1a, and genes related to cell cycle, DNA damage and DNA repair (e.g. spo11, rad21l1, nabp1b, spata22, tdrd9) were also affected in the soya bean fed group. Furthermore, our study suggests the plausible effect of yeast β-glucan through the modulation of several genes that regulate immune responses and barrier integrity. Our findings indicate a subdued inflammation in juvenile zebrafish fed soya bean meal and the efficacy of β-glucan to counter these subtle inflammatory responses.
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Affiliation(s)
- Saima Rehman
- Faculty of Biosciences and Aquaculture, Nord University, Bodø, Norway
| | - Adnan H Gora
- Faculty of Biosciences and Aquaculture, Nord University, Bodø, Norway
| | | | - Sylvia Brugman
- Department of Animal Sciences, Wageningen University, Wageningen, The Netherlands
| | | | | | - Viswanath Kiron
- Faculty of Biosciences and Aquaculture, Nord University, Bodø, Norway
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Burn GL, Foti A, Marsman G, Patel DF, Zychlinsky A. The Neutrophil. Immunity 2021; 54:1377-1391. [PMID: 34260886 DOI: 10.1016/j.immuni.2021.06.006] [Citation(s) in RCA: 228] [Impact Index Per Article: 76.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 04/30/2021] [Accepted: 06/08/2021] [Indexed: 12/17/2022]
Abstract
Neutrophils are immune cells with unusual biological features that furnish potent antimicrobial properties. These cells phagocytose and subsequently kill prokaryotic and eukaryotic organisms very efficiently. Importantly, it is not only their ability to attack microbes within a constrained intracellular compartment that endows neutrophils with antimicrobial function. They can unleash their effectors into the extracellular space, where, even post-mortem, their killing machinery can endure and remain functional. The antimicrobial activity of neutrophils must not be misconstrued as being microbe specific and should be viewed more generally as biotoxic. Outside of fighting infections, neutrophils can harness their noxious machinery in other contexts, like cancer. Inappropriate or dysregulated neutrophil activation damages the host and contributes to autoimmune and inflammatory disease. Here we review a number of topics related to neutrophil biology based on contemporary findings.
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Affiliation(s)
- Garth Lawrence Burn
- Department of Cellular Microbiology, Max Planck Institute for Infection Biology, Charitéplatz 1, 10117 Berlin, Germany
| | - Alessandro Foti
- Department of Cellular Microbiology, Max Planck Institute for Infection Biology, Charitéplatz 1, 10117 Berlin, Germany
| | - Gerben Marsman
- Department of Cellular Microbiology, Max Planck Institute for Infection Biology, Charitéplatz 1, 10117 Berlin, Germany
| | - Dhiren Ferise Patel
- Department of Cellular Microbiology, Max Planck Institute for Infection Biology, Charitéplatz 1, 10117 Berlin, Germany
| | - Arturo Zychlinsky
- Department of Cellular Microbiology, Max Planck Institute for Infection Biology, Charitéplatz 1, 10117 Berlin, Germany.
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Gigon L, Yousefi S, Karaulov A, Simon HU. Mechanisms of toxicity mediated by neutrophil and eosinophil granule proteins. Allergol Int 2021; 70:30-38. [PMID: 33277190 DOI: 10.1016/j.alit.2020.11.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 11/13/2020] [Indexed: 12/14/2022] Open
Abstract
Neutrophils and eosinophils are granulocytes which are characterized by the presence of granules in the cytoplasm. Granules provide a safe storage site for granule proteins that play important roles in the immune function of granulocytes. Upon granulocytes activation, diverse proteins are released from the granules into the extracellular space and contribute to the fight against infections. In this article, we describe granule proteins of both neutrophils and eosinophils able to kill pathogens and review their anticipated mechanism of antimicrobial toxicity. It should be noted that an excess of granules protein release can lead to tissue damage of the host resulting in chronic inflammation and organ dysfunction.
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Adamski Z, Burchardt D, Pawlaczyk-Kamieńska T, Borysewicz-Lewicka M, Wyganowska-Świątkowska M. Diagnosis of Papillon-Lefèvre syndrome: review of the literature and a case report. Postepy Dermatol Alergol 2020; 37:671-676. [PMID: 33240004 PMCID: PMC7675075 DOI: 10.5114/ada.2020.100480] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 03/06/2019] [Indexed: 11/17/2022] Open
Abstract
Papillon-Lefëvre syndrome (PLS), classified as ectodermal dysplasia, is an autosomal recessive condition related to the cathepsin C (CTSC) gene mutation. The first clinical symptoms, occurring most commonly between the ages of 1 and 4, are palmoplantar hyperkeratosis and also periodontitis resulting in the loss of most or all teeth in the same sequence in which they erupted. Most often the redness of palms and soles precede the occurrence of keratoderma. Moreover, excessive sweating, moderate mental retardation, the tendency to purulent skin and internal organs infection may occur. Lack of cathepsin seems to have a crucial role in the intensity of symptoms. In most of the patients, there can be observed impairment of phagocytosis and chemotaxis of neutrophils, granulocytes, leukocytes and cytotoxic lesion of fibroblasts and macrophages. Also, functional impairment of lymphocytes, neutrophils, and monocytes is observed. The study, using flow cytometry, showed a decreased percentage of T cells CD8+ and increased CD4:CD8 ratio.
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Affiliation(s)
- Zygmunt Adamski
- Department of Dermatology, Poznan University of Medical Sciences, Poznan, Poland
| | - Dorota Burchardt
- Department of Paediatric Dentistry, Poznan University of Medical Sciences, Poznan, Poland
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Bearne SL. Through the Looking Glass: Chiral Recognition of Substrates and Products at the Active Sites of Racemases and Epimerases. Chemistry 2020; 26:10367-10390. [DOI: 10.1002/chem.201905826] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 03/09/2020] [Indexed: 12/18/2022]
Affiliation(s)
- Stephen L. Bearne
- Department of Biochemistry & Molecular BiologyDepartment of ChemistryDalhousie University Halifax, Nova Scotia B3H 4R2 Canada
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Orchestration of Adaptive T Cell Responses by Neutrophil Granule Contents. Mediators Inflamm 2019; 2019:8968943. [PMID: 30983883 PMCID: PMC6431490 DOI: 10.1155/2019/8968943] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 01/28/2019] [Accepted: 02/06/2019] [Indexed: 01/05/2023] Open
Abstract
Neutrophils are the most abundant leukocytes in peripheral blood and respond rapidly to danger, infiltrating tissues within minutes of infectious or sterile injury. Neutrophils were long thought of as simple killers, but now we recognise them as responsive cells able to adapt to inflammation and orchestrate subsequent events with some sophistication. Here, we discuss how these rapid responders release mediators which influence later adaptive T cell immunity through influences on DC priming and directly on the T cells themselves. We consider how the release of granule contents by neutrophils—through NETosis or degranulation—is one way in which the innate immune system directs the phenotype of the adaptive immune response.
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Korkmaz B, Caughey GH, Chapple I, Gauthier F, Hirschfeld J, Jenne DE, Kettritz R, Lalmanach G, Lamort AS, Lauritzen C, Łȩgowska M, Lesner A, Marchand-Adam S, McKaig SJ, Moss C, Pedersen J, Roberts H, Schreiber A, Seren S, Thakker NS. Therapeutic targeting of cathepsin C: from pathophysiology to treatment. Pharmacol Ther 2018; 190:202-236. [DOI: 10.1016/j.pharmthera.2018.05.011] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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10
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Fageeh HN. Papillon-Lefèvre Syndrome: A Rare Case Report of Two Brothers and Review of the Literature. Int J Clin Pediatr Dent 2018; 11:352-355. [PMID: 30397382 PMCID: PMC6212664 DOI: 10.5005/jp-journals-10005-1538] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Accepted: 07/05/2018] [Indexed: 11/30/2022] Open
Abstract
Papillon-Lefèvre is an autosomal recessive syndrome that starts in early periods of childhood. Characteristic features include palmar plantar hyperkeratosis, aggressive periodontal disease, and a tendency for dry and chopped skin, thin and sparse hair. Patients show signs of premature tooth loss at the age of 2 to 4 years, which is then followed by the loss of permanent dentition during adolescence. The presence of both skin and oral lesions in this syndrome differentiates this unusual genodermatosis from other pathology of palmoplantar keratoderma (PPK). The etiopathogenesis of this syndrome is somewhat obscure; however, immunologic, genetic, and possible bacterial etiologies have been proposed. The dental practitioner is often the first to diagnose the disease, as there is a significant degree of periodontal breakdown that is involved at an early age. This report presents a clinical presentation of two brothers detected with Papillon-Lefèvre syndrome (PLS). How to cite this article: Fageeh HN. Papillon-Lefèvre Syndrome: A Rare Case Report of Two Brothers and Review of the Literature. Int J Clin Pediatr Dent 2018;11(4):352-355.
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Affiliation(s)
- Hytham N Fageeh
- Diplomate and Vice Dean, Division of Periodontics, Department of Preventive Dental Sciences, College of Dentistry, Jazan University, Jazan, Kingdom of Saudi Arabia
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Margaroli C, Tirouvanziam R. Neutrophil plasticity enables the development of pathological microenvironments: implications for cystic fibrosis airway disease. Mol Cell Pediatr 2016; 3:38. [PMID: 27868161 PMCID: PMC5136534 DOI: 10.1186/s40348-016-0066-2] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Accepted: 11/04/2016] [Indexed: 02/06/2023] Open
Abstract
INTRODUCTION The pathological course of several chronic inflammatory diseases, including cystic fibrosis, chronic obstructive pulmonary disease, and rheumatoid arthritis, features an aberrant innate immune response dominated by neutrophils. In cystic fibrosis, neutrophil burden and activity of neutrophil elastase in the extracellular fluid have been identified as strong predictors of lung disease severity. REVIEW Although neutrophils are generally considered to be rigid, pre-programmed effector leukocytes, recent studies suggest extensive plasticity in how neutrophil functions unfold upon recruitment to peripheral tissues, and how they choose their ultimate fate. Indeed, upon migration to cystic fibrosis airways, neutrophils display dysregulated lifespan, metabolic activation, and altered effector and regulatory functions, consistent with profound adaptation and phenotypic reprogramming. Licensed by signals present in cystic fibrosis airway microenvironment to survive and develop these novel functions, neutrophils orchestrate, in partnership with the epithelium and with the resident microbiota, the evolution of a pathological microenvironment. This microenvironment is defined by altered proteolytic, redox, and metabolic balance and the presence of stable luminal structures in which neutrophils and microbes coexist. CONCLUSIONS The elucidation of molecular mechanisms driving neutrophil plasticity in vivo will open new treatment opportunities designed to modulate, rather than block, the crucial adaptive functions fulfilled by neutrophils. This review aims to outline emerging mechanisms of neutrophil plasticity and their participation in the building of pathological microenvironments in the context of cystic fibrosis and other diseases with similar features.
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Affiliation(s)
- Camilla Margaroli
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, 30322, USA
- Center for CF and Airways Disease Research, Children's Healthcare of Atlanta, Atlanta, GA, 30322, USA
- Emory + Children's Center, 2015 Uppergate Dr NE, Rm 344, Atlanta, GA, 30322-1014, USA
| | - Rabindra Tirouvanziam
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, 30322, USA.
- Center for CF and Airways Disease Research, Children's Healthcare of Atlanta, Atlanta, GA, 30322, USA.
- Emory + Children's Center, 2015 Uppergate Dr NE, Rm 344, Atlanta, GA, 30322-1014, USA.
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AIBarrak ZM, Alqarni AS, Chalisserry EP, Anil S. Papillon-Lefèvre syndrome: a series of five cases among siblings. J Med Case Rep 2016; 10:260. [PMID: 27658951 PMCID: PMC5034476 DOI: 10.1186/s13256-016-1051-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2016] [Accepted: 09/01/2016] [Indexed: 11/12/2022] Open
Abstract
Background Papillon–Lefèvre syndrome is a rare autosomal recessive disorder characterized by palmoplantar hyperkeratosis and aggressively progressing periodontitis leading to premature loss of deciduous and permanent dentition. The etiopathogenesis of the syndrome is relatively obscure, and immunologic, genetic, or possible bacterial etiologies have been proposed. Case presentation A series of five cases of Papillon–Lefèvre syndrome among the siblings in a family is presented here: a 3-year-old Arab girl, a 4-year-old Arab boy, a 11-year-old Arab boy, a 12-year-old Arab boy, and a 14-year-old Arab boy. The patients presented with severe gingival inflammation and mobility of teeth. The clinical manifestations were typical of Papillon–Lefèvre syndrome and the degree of involvement of the oral and skin conditions varied among them. Conclusions This case series stresses the consanguinity in the family as an etiologic factor. All siblings in the family were affected with Papillon–Lefèvre syndrome which makes this a rare case. A multidisciplinary approach with the active participation of a dental surgeon, dermatologist, and pediatrician is essential for the management of cases of Papillon–Lefèvre syndrome.
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Affiliation(s)
- Zyad M AIBarrak
- King Abdulaziz Medical City, Ministry of Health, Riyadh, Saudi Arabia.
| | - Adel S Alqarni
- Department of Preventive Dental Sciences, College of Dentistry, Prince Sattam Bin Abdulaziz University, 153, AIkharj, 11942, Riyadh, Saudi Arabia
| | - Elna P Chalisserry
- Department of Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, Jazan University, Jazan, 82943, Saudi Arabia
| | - Sukumaran Anil
- Department of Preventive Dental Sciences, College of Dentistry, Prince Sattam Bin Abdulaziz University, 153, AIkharj, 11942, Riyadh, Saudi Arabia
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Nicu EA, Loos BG. Polymorphonuclear neutrophils in periodontitis and their possible modulation as a therapeutic approach. Periodontol 2000 2016; 71:140-63. [DOI: 10.1111/prd.12113] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/23/2015] [Indexed: 12/24/2022]
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Roberts H, White P, Dias I, McKaig S, Veeramachaneni R, Thakker N, Grant M, Chapple I. Characterization of neutrophil function in Papillon-Lefèvre syndrome. J Leukoc Biol 2016; 100:433-44. [DOI: 10.1189/jlb.5a1015-489r] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Accepted: 02/12/2016] [Indexed: 01/07/2023] Open
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Immune and regulatory functions of neutrophils in inflammatory bone loss. Semin Immunol 2016; 28:146-58. [PMID: 26936034 DOI: 10.1016/j.smim.2016.02.002] [Citation(s) in RCA: 86] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Revised: 02/06/2016] [Accepted: 02/14/2016] [Indexed: 02/06/2023]
Abstract
Although historically viewed as merely anti-microbial effectors in acute infection or injury, neutrophils are now appreciated to be functionally versatile with critical roles also in chronic inflammation. Periodontitis, a chronic inflammatory disease that destroys the tooth-supporting gums and bone, is particularly affected by alterations in neutrophil numbers or function, as revealed by observations in monogenic disorders and relevant mouse models. Besides being a significant debilitating disease and health burden in its own right, periodontitis is thus an attractive model to dissect uncharted neutrophil-associated (patho)physiological pathways. Here, we summarize recent evidence that neutrophils can contribute to inflammatory bone loss not only through the typical bystander injury dogma but intriguingly also through their absence from the affected tissue, where they normally perform important immunomodulatory functions. Moreover, we discuss recent advances in the interactions of neutrophils with the vascular endothelium and - upon extravasation - with bacteria, and how the dysregulation of these interactions leads to inflammatory tissue damage. Overall, neutrophils have both protective and destructive roles in periodontitis, as they are involved in both the maintenance of periodontal tissue homeostasis and the induction of inflammatory bone loss. This highlights the importance of developing approaches that promote or sustain a fine balance between homeostatic immunity and inflammatory pathology.
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Walter K, Steinwede K, Aly S, Reinheckel T, Bohling J, Maus UA, Ehlers S. Cathepsin G in Experimental Tuberculosis: Relevance for Antibacterial Protection and Potential for Immunotherapy. THE JOURNAL OF IMMUNOLOGY 2015; 195:3325-33. [DOI: 10.4049/jimmunol.1501012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Accepted: 08/03/2015] [Indexed: 01/01/2023]
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Wilensky A, Chaushu S, Shapira L. The role of natural killer cells in periodontitis. Periodontol 2000 2015; 69:128-41. [DOI: 10.1111/prd.12092] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/08/2015] [Indexed: 12/29/2022]
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Jijin MJ, Jaishankar HP, Narayaran VS, Rangaswamy K, Puthaswamy KA. Papillon-Lefevre Syndrome In An Adolescent Female: A Case Study. J Clin Diagn Res 2015; 9:ZD23-5. [PMID: 26155583 DOI: 10.7860/jcdr/2015/12780.5921] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2014] [Accepted: 04/08/2015] [Indexed: 11/24/2022]
Abstract
Papillon-Lefevre Syndrome (PLS) is a rare inherited autosomal-recessive condition with one-third of the patients' showing consanguinity of the parents. Lesions are characterised by palmar-plantar hyperkeratosis and hyperhidrosis. Early onset of periodonditis, severe periodontal destruction in both primary and permanent dentitions, and calcification of the duramater form the three important features of this disease. Here, we present a case of a 14-year-old female who presented to the Department of Oral Medicine and Radiology with a complaint of mobility of the teeth since four months. Oral examination of the patient showed generalised mobility of the teeth. General physical examination of the patient showed dry scaly skin on dorsum of bilateral feet, hands, and knee. The patient had familial history positive for consanguinity. The patient was medically diagnosed as positive for PLS. The patients with PLS show combination of dermatological and dental lesions and it requires the dentist to assume a more prominent role in early treatment and rehabilitation. There is a need for symbiotic and synergetic approach between the two specialties for effective management of this rare disease.
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Affiliation(s)
- M J Jijin
- Post Graduate, Department of Oral Medicine and Radiology, Coorg Institute of Dental Sciences , Virajpet, Karnataka, India
| | - H P Jaishankar
- Professor, Department of Oral Medicine and Radiology, JSS Dental College , Mysore, Karnataka, India
| | - Veena Sathya Narayaran
- Professor, Department of Oral Medicine and Radiology, Coorg Institute of Dental Sciences , Virajpet, Karnataka, India
| | - Krupashankar Rangaswamy
- Reader, Department of Oral Medicine and Radiology, Coorg Institute of Dental Sciences , Virajpet, Karnataka, India
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Sreeramulu B, Shyam NDVN, Ajay P, Suman P. Papillon-Lefèvre syndrome: clinical presentation and management options. Clin Cosmet Investig Dent 2015; 7:75-81. [PMID: 26203280 PMCID: PMC4507741 DOI: 10.2147/ccide.s76080] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Papillon-Lefèvre syndrome (PLS) is a rare autosomal recessive disorder, characterized by diffuse palmoplantar keratoderma and precocious aggressive periodontitis, leading to premature loss of deciduous and permanent dentition at a very young age. Various etiopathogenic factors are associated with the syndrome, like immunologic alterations, genetic mutations, and the role of bacteria. Dentists play a significant role in the diagnosis and management of PLS as there are characteristic manifestations like periodontal destruction at an early age and an early eruption of permanent teeth. Here, we are presenting an elaborate review of PLS, its etiopathogenesis, clinical presentation, and management options.
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Affiliation(s)
- Basapogu Sreeramulu
- Department of Prosthodontics, Government Dental College and Hospital, Hyderabad, Telangana State, India
| | - Naragani DVN Shyam
- Department of Oral Pathology, Government Dental College and Hospital, Hyderabad, Telangana State, India
| | - Pilla Ajay
- Department of Prosthodontics, Government Dental College and Hospital, Hyderabad, Telangana State, India
| | - Pathipaka Suman
- Department of Prosthodontics, Government Dental College and Hospital, Hyderabad, Telangana State, India
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Preedy VR, Patel VB, Al-Sabbagh M. Macrophage Inflammatory Protein-1 Alpha (MIP-1 alpha)/CCL3: As a Biomarker. GENERAL METHODS IN BIOMARKER RESEARCH AND THEIR APPLICATIONS 2015. [PMCID: PMC7124056 DOI: 10.1007/978-94-007-7696-8_27] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Macrophage inflammatory protein-1 alpha (MIP-1α/CCL3) is a chemotactic chemokine secreted by macrophages. It performs various biological functions, such as recruiting inflammatory cells, wound healing, inhibition of stem cells, and maintaining effector immune response. It activates bone resorption cells and directly induces bone destruction. Cells that secrete MIP-1α/CCL3 are increased at sites of inflammation and bone resorption. MIP-1α/CCL3 plays an important role in the pathogenesis of various inflammatory diseases and conditions that exhibit bone resorption, such as periodontitis, multiple myeloma, Sjögren syndrome, and rheumatoid arthritis. Biological fluids from patients with these diseases exhibit elevated levels of MIP-1α/CCL3. This finding indicates that MIP-1\documentclass[12pt]{minimal}
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\begin{document}$$ \alpha $$\end{document}α/CCL3 protein may have diagnostic potential for the detection of several inflammatory diseases and conditions. This chapter discusses the biological functions of MIP-1α/CCL3; describes several diseases associated with MIP-1α/CCL3, particularly periodontitis; and delineates the potential application of MIP-1α/CCL3 as a biomarker.
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Affiliation(s)
- Victor R. Preedy
- grid.13097.3c0000000123226764Department of Nutrition and Dietetics, Division of Diabetes & Nutritional Sciences, Faculty of Life Sciences & Medicine, King's College London, London, United Kingdom
| | - Vinood B. Patel
- grid.12896.340000000090468598Faculty of Science & Technology, Department of Biomedical Sciences, University of Westminster, London, United Kingdom
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Moutsopoulos NM, Lionakis MS, Hajishengallis G. Inborn errors in immunity: unique natural models to dissect oral immunity. J Dent Res 2015; 94:753-8. [PMID: 25900229 DOI: 10.1177/0022034515583533] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
In recent years, the study of genetic defects arising from inborn errors in immunity has resulted in the discovery of new genes involved in the function of the immune system and in the elucidation of the roles of known genes whose importance was previously unappreciated. With the recent explosion in the field of genomics and the increasing number of genetic defects identified, the study of naturally occurring mutations has become a powerful tool for gaining mechanistic insight into the functions of the human immune system. In this concise perspective, we discuss emerging evidence that inborn errors in immunity constitute real-life models that are indispensable both for the in-depth understanding of human biology and for obtaining critical insights into common diseases, such as those affecting oral health. In the field of oral mucosal immunity, through the study of patients with select gene disruptions, the interleukin-17 (IL-17) pathway has emerged as a critical element in oral immune surveillance and susceptibility to inflammatory disease, with disruptions in the IL-17 axis now strongly linked to mucosal fungal susceptibility, whereas overactivation of the same pathways is linked to inflammatory periodontitis.
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Affiliation(s)
- N M Moutsopoulos
- Oral Immunity and Inflammation Unit, National Institute of Dental and Craniofacial Research, NIH, Bethesda, MD, USA
| | - M S Lionakis
- Fungal Pathogenesis Unit, Laboratory of Clinical Infectious Diseases, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, MD, USA
| | - G Hajishengallis
- Department of Microbiology, University of Pennsylvania School of Dental Medicine, Philadelphia, PA, USA
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Abstract
Neutrophils exert potent antimicrobial activities in their role as first-line cellular defenders against infection. The synergistic and collective actions of oxidants and granule proteins, including serine proteases, support the microbial killing in phagosomes, where most neutrophil-mediated antimicrobial action occurs. In addition to phagocytosis, specific stimuli prompt neutrophils to extrude a matrix of DNA, histones, and granule proteins to produce neutrophil extracellular traps (NETs), which can trap microbes. Mice lacking the serine proteases necessary for NET production are more susceptible to infection, an observation suggesting that functional NETs are required for host protection. In this issue of the JCI, Sørensen and colleagues characterize neutrophils from a patient with Papillon-Lefèvre syndrome. The patient has an inactivating mutation in the gene encoding dipeptidyl peptidase I, resulting in neutrophils lacking elastase, a serine protease required for NET production. Despite the inability to form NETS, neutrophils from this patient killed pathogens in vitro, and the patient did not exhibit evidence of an increased propensity toward bacterial infections. Together, these results suggest that proteases in human neutrophils are dispensable for protection against bacterial infection and that the ability to generate NETs in vitro does not compromise host defense.
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Yasudo H, Ando T, Takeuchi M, Nakano H, Itonaga T, Takehara H, Isojima T, Miura K, Harita Y, Takita J, Oka A. Systemic lupus erythematosus complicated with liver cirrhosis in a patient with Papillon-Lefèvre syndrome. Lupus 2014; 23:1523-7. [DOI: 10.1177/0961203314547794] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
We report the first case of a girl who presented with Papillon-Lefèvre syndrome (PLS) and subsequently developed systemic lupus erythematosus and liver cirrhosis. This indicates that autoimmune diseases can be a complication in patients with PLS. Cathepsin C gene mutations were not found in our patient or her mother. Thus, other genetic factors may have been involved in this patient.
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Affiliation(s)
- H Yasudo
- Department of Pediatrics, Tokyo University Graduate School of Medicine, Tokyo, Japan
| | - T Ando
- Department of Pediatrics, Tokyo University Graduate School of Medicine, Tokyo, Japan
- Laboratory for Allergic Disease, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | | | - H Nakano
- Department of Dermatology, Hirosaki University Graduate School of Medicine, Aomori, Japan
| | - T Itonaga
- Department of Pediatrics, Tokyo University Graduate School of Medicine, Tokyo, Japan
| | - H Takehara
- Department of Pediatrics, Tokyo University Graduate School of Medicine, Tokyo, Japan
| | - T Isojima
- Department of Pediatrics, Tokyo University Graduate School of Medicine, Tokyo, Japan
| | - K Miura
- Department of Pediatrics, Tokyo University Graduate School of Medicine, Tokyo, Japan
| | - Y Harita
- Department of Pediatrics, Tokyo University Graduate School of Medicine, Tokyo, Japan
| | - J Takita
- Department of Pediatrics, Tokyo University Graduate School of Medicine, Tokyo, Japan
| | - A Oka
- Department of Pediatrics, Tokyo University Graduate School of Medicine, Tokyo, Japan
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Bhavsar MV, Brahmbhatt NA, Sahayata VN, Bhavsar NV. Papillon-lefevre syndrome: Case series and review of literature. J Indian Soc Periodontol 2013; 17:806-11. [PMID: 24554896 PMCID: PMC3917216 DOI: 10.4103/0972-124x.124530] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2013] [Accepted: 06/04/2013] [Indexed: 11/21/2022] Open
Abstract
Papillon-lefevre syndrome (PLS) belongs to a heterogeneous group of skin diseases that are characterized by hyperkeratosis of palms and soles. It is a type IV palmoplantar keratosis (PPK) while the palmoplantar keratodermas share some features of PPK, they are etiologically heterogeneous. PLS differs from other types of PPK by the presence of severe and early onset periodontitis. Genetic studies have shown that mutation in the major gene locus of chromosome 11q14 with the loss of function of cathepsin-C (CTSC) gene is responsible for PLS. CTSC gene mutations are causative for PLS. The resultant loss of CTSC function is responsible for the severe periodontal destruction seen clinically. This report represents two siblings with classical signs and symptoms of PLS.
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Affiliation(s)
- Margi V. Bhavsar
- Department of Periodontology, Government Dental College and Hospital, Ahmedabad, Gujarat, India
| | - Nilam A. Brahmbhatt
- Department of Periodontology, Government Dental College and Hospital, Ahmedabad, Gujarat, India
| | - Vishal N. Sahayata
- Department of Periodontology, Faculty of Dental Science, Dharmsinh Desai University, Nadiad, Gujarat, India
| | - Neeta V. Bhavsar
- Department of Periodontology, Government Dental College and Hospital, Ahmedabad, Gujarat, India
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Hajishengallis E, Hajishengallis G. Neutrophil homeostasis and periodontal health in children and adults. J Dent Res 2013; 93:231-7. [PMID: 24097856 DOI: 10.1177/0022034513507956] [Citation(s) in RCA: 112] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
This review summarizes the current state of knowledge on neutrophil basic biology and discusses how the breakdown of neutrophil homeostasis affects periodontal health. The homeostasis of neutrophils is tightly regulated through coordinated bone marrow production, release into the circulation, transmigration to and activation in peripheral tissues, and clearance of senescent neutrophils. Dysregulation of any of these homeostatic mechanisms at any age can cause severe periodontitis in humans and animal models. Accordingly, both impaired and excessive neutrophil activity (in terms of numbers or immune function) can precipitate periodontitis. Neutrophil defects of congenital origin (e.g., congenital neutropenia, leukocyte adhesion deficiency, and Chediak-Higashi syndrome) are associated with cutaneous and systemic infections and early-onset forms of periodontitis affecting both the primary and permanent dentitions of children. However, the strong association between congenital neutrophil disorders and early-onset periodontitis is not currently adequately explained mechanistically. This suggests the operation of as-yet-unknown molecular mechanisms, although the available body of evidence leaves no doubt that neutrophils are integral to periodontal tissue homeostasis and health.
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Affiliation(s)
- E Hajishengallis
- University of Pennsylvania School of Dental Medicine, Department of Preventive and Restorative Sciences, Division of Pediatric Dentistry, Philadelphia, PA 19104, USA
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26
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Sachdeva S, Kalra N, Kapoor P. Papillon- Lefèvre Syndrome: Report of a case and its management. J Clin Exp Dent 2012; 4:e77-81. [PMID: 24558530 PMCID: PMC3908815 DOI: 10.4317/jced.50594] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2011] [Accepted: 11/17/2011] [Indexed: 11/12/2022] Open
Abstract
Papillon-Lefèvre Syndrome (PLS) is a rare autosomal recessive disorder first described by two French physicians, Papillon and Lefèvre in 1924. The disorder is characterized by diffuse palmoplantar keratoderma and precocious aggressively progressing periodontitis, leading to the premature loss of deciduous and permanent teeth at a very young age. The cutaneous lesions are usually manifested simultaneously with the intra-oral presentations and include keratotic plaques on the palms and soles varying from mild psoriasiform scaly skin to overt hyperkeratosis. The etiopathogenesis of the syndrome is relatively obscure and immunologic, genetic or possible bacterial etiologies have been proposed. Due to the vast degree of periodontal breakdown involved at such an early age, the dental surgeon is often the first to diagnose the syndrome. This paper presents a clinical presentation a 15 year old male diagnosed with Papillon- Lefèvre Syndrome.
Key words:Papillon-Lefèvre Syndrome, palmoplantar keratoderma, rapidly progressing periodontitis.
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Affiliation(s)
- Shabina Sachdeva
- MDS. Formerly: Senior Resident, Department of Dentistry, University College of Medical Sciences, New Delhi -110095. Presently: Assistant Professor, Faculty of Dentistry, Jamia Millia Islamia, New Delhi -110025
| | - Namita Kalra
- MDS. Professor & Head, Department of Dentistry, University College of Medical Sciences, New Delhi-110095
| | - Pranav Kapoor
- MDS. Formerly: Lecturer, Department of Dentistry, University College of Medical Sciences, New Delhi -110095. Presently: Assistant Professor, Faculty of Dentistry, Jamia Millia Islamia, New Delhi -110025
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27
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Abstract
Papillon-Lefevre Syndrome (PLS) is a very rare autosomal recessive disorder characterized by palmoplantar hyperkeratosis and severe early onset periodontitis, affecting the primary and permanent dentition. The syndrome was first described by Papillon and Lefevre in 1924. Genetic, immunologic, and microbiologic factors are suggested as responsible for the initiation and progression of the disease. A point mutation of cathepsin C gene has recently been detected in PLS. A multidisciplinary approach is important for management .The prognosis has improved with the early recognition of the syndrome, effective professional supervision, and home care.
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Acanthamoeba culbertsoni elicits soluble factors that exert anti-microglial cell activity. Infect Immun 2010; 78:4001-11. [PMID: 20605979 DOI: 10.1128/iai.00047-10] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Acanthamoeba culbertsoni is an opportunistic pathogen that causes granulomatous amoebic encephalitis (GAE), a chronic and often fatal disease of the central nervous system (CNS). A hallmark of GAE is the formation of granulomas around the amoebae. These cellular aggregates consist of microglia, macrophages, lymphocytes, and neutrophils, which produce a myriad of proinflammatory soluble factors. In the present study, it is demonstrated that A. culbertsoni secretes serine peptidases that degrade chemokines and cytokines produced by a mouse microglial cell line (BV-2 cells). Furthermore, soluble factors present in cocultures of A. culbertsoni and BV-2 cells, as well as in cocultures of A. culbertsoni and primary neonatal rat cerebral cortex microglia, induced apoptosis of these macrophage-like cells. Collectively, the results indicate that A. culbertsoni can apply a multiplicity of cell contact-independent modes to target macrophage-like cells that exert antiamoeba activities in the CNS.
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Soehnlein O, Weber C, Lindbom L. Neutrophil granule proteins tune monocytic cell function. Trends Immunol 2009; 30:538-46. [PMID: 19699683 DOI: 10.1016/j.it.2009.06.006] [Citation(s) in RCA: 126] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2009] [Revised: 06/26/2009] [Accepted: 06/26/2009] [Indexed: 12/18/2022]
Abstract
Polymorphonuclear leukocytes (PMNs) release the contents of granules during their migration to inflammatory sites. On liberation from the first leukocyte to enter injured tissue, the granule proteins play a central role in the early inflammatory response. In particular, mononuclear phagocytes interact intimately with PMNs and their secretion products. PMN granule proteins enhance the adhesion of monocytes to the endothelium and stimulate subsequent extravasation of inflammatory monocytes. At the site of inflammation, PMN granule proteins activate macrophages to produce and release cytokines and to phagocytose IgG-opsonized bacteria. Furthermore, by direct cell-cell contacts, PMNs activate monocyte-derived dendritic cells, thereby enhancing antigen presentation. Efforts in this field might lead to the development of drugs for specific modulation of innate immune functions.
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Affiliation(s)
- Oliver Soehnlein
- Institute of Molecular Cardiovascular Research, University Hospital, RWTH Aachen University, Aachen, Germany.
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31
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Papayannopoulos V, Zychlinsky A. NETs: a new strategy for using old weapons. Trends Immunol 2009; 30:513-21. [PMID: 19699684 DOI: 10.1016/j.it.2009.07.011] [Citation(s) in RCA: 434] [Impact Index Per Article: 28.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2009] [Revised: 07/16/2009] [Accepted: 07/21/2009] [Indexed: 02/06/2023]
Abstract
As key players in the host innate immune response, neutrophils are recruited to sites of infection and constitute the first line of defense. They employ three strategies to eliminate invading microbes: microbial uptake, the secretion of antimicrobials, and the recently described release of Neutrophil Extracellular Traps (NETs). Composed of decondensed chromatin and antimicrobial proteins, NETs bind and kill a variety of microbes including bacteria, fungi, and parasites. In addition to using a repertoire of known antimicrobials, NETs incorporate histones into the antimicrobial arsenal. Furthermore, NETs may contribute to microbial containment by forming a physical barrier and a scaffold, to enhance antimicrobial synergy while minimizing damage to host tissues. Their role in innate immunity is only now being uncovered.
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Abstract
Extravasation of polymorphonuclear leukocytes (PMNs) to the site of inflammation precedes a second wave of emigrating monocytes. That these events are causally connected has been established a long time ago. However, we are now just beginning to understand the molecular mechanisms underlying this cellular switch, which has become even more complex considering the emergence of monocyte subsets, which are affected differently by signals generated from PMNs. PMN granule proteins induce adhesion as well as emigration of inflammatory monocytes to the site of inflammation involving beta(2)-integrins and formyl-peptide receptors. Furthermore, modification of the chemokine network by PMNs and their granule proteins creates a milieu favoring extravasation of inflammatory monocytes. Finally, emigrated PMNs rapidly undergo apoptosis, leading to the discharge of lysophosphatidylcholine, which attracts monocytes via G2A receptors. The net effect of these mechanisms is the accumulation of inflammatory monocytes, thus promoting proinflammatory events, such as release of inflammation-sustaining cytokines and reactive oxygen species. As targeting PMNs without causing serious side effects seems futile, it may be more promising to aim at interfering with subsequent PMN-driven proinflammatory events.
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Dhanrajani PJ. Papillon-Lefevre syndrome: clinical presentation and a brief review. ACTA ACUST UNITED AC 2009; 108:e1-7. [DOI: 10.1016/j.tripleo.2009.03.016] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2008] [Revised: 03/07/2009] [Accepted: 03/09/2009] [Indexed: 11/16/2022]
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Guillabert A, Wittamer V, Bondue B, Godot V, Imbault V, Parmentier M, Communi D. Role of neutrophil proteinase 3 and mast cell chymase in chemerin proteolytic regulation. J Leukoc Biol 2008; 84:1530-8. [DOI: 10.1189/jlb.0508322] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Pham CTN. Neutrophil serine proteases fine-tune the inflammatory response. Int J Biochem Cell Biol 2007; 40:1317-33. [PMID: 18180196 DOI: 10.1016/j.biocel.2007.11.008] [Citation(s) in RCA: 173] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2007] [Revised: 11/12/2007] [Accepted: 11/13/2007] [Indexed: 12/21/2022]
Abstract
Neutrophil serine proteases are granule-associated enzymes known mainly for their function in the intracellular killing of pathogens. Their extracellular release upon neutrophil activation is traditionally regarded as the primary reason for tissue damage at the sites of inflammation. However, studies over the past several years indicate that neutrophil serine proteases may also be key regulators of the inflammatory response. Neutrophil serine proteases specifically process and release chemokines, cytokines, and growth factors, thus modulating their biological activity. In addition, neutrophil serine proteases activate and shed specific cell surface receptors, which can ultimately prolong or terminate cytokine-induced responses. Moreover, it has been proposed that these proteases can impact cell viability through their caspase-like activity and initiate the adaptive immune response by directly activating lymphocytes. In summary, these studies point to neutrophil serine proteases as versatile mediators that fine-tune the local immune response and identify them as potential targets for therapeutic interventions.
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Affiliation(s)
- Christine T N Pham
- Division of Rheumatology, Department of Internal Medicine, Washington University, 660 South Euclid Avenue, Box 8045, St. Louis, MO 63110, USA.
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36
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Affiliation(s)
- Thomas C Hart
- Clinical Research Core, Section on Dental and Craniofacial Genetics, National Institute of Dental and Craniofacial Research, Bethesda, MD, USA
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Hannan NJ, Salamonsen LA. Role of chemokines in the endometrium and in embryo implantation. Curr Opin Obstet Gynecol 2007; 19:266-72. [PMID: 17495644 DOI: 10.1097/gco.0b013e328133885f] [Citation(s) in RCA: 82] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
PURPOSE OF REVIEW Chemokines are well known for their roles in the immune system; convincing evidence has emerged demonstrating a broader role for chemokines in the endometrium, particularly during embryo implantation. This review highlights the evidence on newly defined roles for chemokines in the endometrium during embryo implantation, with particular focus on those chemokines expressed by the endometrium. RECENT FINDINGS The highly regulated temporal and spatial expression of chemokines in the endometrium leads not only to specific recruitment and activation of appropriate leucocytes but also coordinates the precisely orchestrated invasion of trophoblasts through the decidua and maternal vasculature. Results to date implicate chemokine signalling at the maternal-foetal interface in important processes during implantation and placentation, such as leucocyte recruitment and controlled trophoblast invasion. Unravelling such actions of chemokines in the endometrium has provided new insights into these complex processes. SUMMARY Disturbances of chemokine production, processing, or actions are likely to contribute to dysfunction of implantation and placentation, with implications for early pregnancy loss and disturbed placental and foetal development. More research into altered chemokine function in such conditions may provide leads for new clinical interventions.
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Affiliation(s)
- Natalie J Hannan
- Prince Henry's Institute of Medical Research, Monash University, Clayton, Australia.
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Ryu OH, Choi SJ, Linares AMG, Song IS, Kim YJ, Jang KT, Hart TC. Gingival Epithelial Cell Expression of Macrophage Inflammatory Protein-1α Induced by Interleukin-1β and Lipopolysaccharide. J Periodontol 2007; 78:1627-34. [PMID: 17668983 DOI: 10.1902/jop.2007.070066] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Elevated levels of the macrophage inflammatory protein-1alpha (MIP-1alpha) are reported in inflammatory bone diseases including periodontitis. We evaluated the ability of interleukin-1beta (IL-1beta) and bacterial lipopolysaccharides (LPSs) to modulate MIP-1alpha expression in epithelial cells, fibroblasts, and polymorphonuclear leukocytes (PMNs). We also evaluated the effect of MIP-1alpha as an osteoclast activating factor. METHODS Human gingival epithelial cells and fibroblasts were obtained by primary cell culture. PMNs were isolated from healthy controls. Human MG63 osteosarcoma cells were used as osteoblastic cells. After incubation of each cell type with IL-1beta, Porphyromonas gingivalis LPS, and Actinobacillus actinomycetemcomitans LPS, MIP-1alpha mRNA and secreted protein levels were quantified by reverse transcription-polymerase chain reaction, enzyme-linked immunosorbent assay, and immunohistochemistry. The ability of recombinant MIP-1alpha to induce osteoclast formation was determined by tartrate resistant acid phosphatase assay. RESULTS MIP-1alpha expression in PMNs and gingival epithelial cells was induced by IL-1beta and LPS, but neither induced MIP-1alpha expression in gingival fibroblasts or osteoblastic cells. MIP-1alpha was highly expressed in the basal epithelial layer of inflamed gingiva but not in healthy gingiva. MIP-1alpha induced osteoclast formation at an optimal concentration of 0.05 to 2 ng/ml. CONCLUSIONS MIP-1alpha expression by gingival epithelial cells may be important in initiating inflammation by facilitating accumulation and activation of leukocytes. The ability of MIP-1alpha to facilitate formation of multinuclear bone cells indicates a possible role in periodontitis-associated bone destruction. These findings indicate MIP-1alpha may play an important role in early and later stages of inflammatory-related periodontitis.
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Affiliation(s)
- Ok H Ryu
- Human Craniofacial Genetics Section, Craniofacial and Skeletal Diseases Branch, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20892, USA
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Greenlee KJ, Corry DB, Engler DA, Matsunami RK, Tessier P, Cook RG, Werb Z, Kheradmand F. Proteomic identification of in vivo substrates for matrix metalloproteinases 2 and 9 reveals a mechanism for resolution of inflammation. THE JOURNAL OF IMMUNOLOGY 2007; 177:7312-21. [PMID: 17082650 PMCID: PMC2580826 DOI: 10.4049/jimmunol.177.10.7312] [Citation(s) in RCA: 135] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Clearance of allergic inflammatory cells from the lung through matrix metalloproteinases (MMPs) is necessary to prevent lethal asphyxiation, but mechanistic insight into this essential homeostatic process is lacking. In this study, we have used a proteomics approach to determine how MMPs promote egression of lung inflammatory cells through the airway. MMP2- and MMP9-dependent cleavage of individual Th2 chemokines modulated their chemotactic activity; however, the net effect of complementing bronchoalveolar lavage fluid of allergen-challenged MMP2(-/-)/MMP9(-/-) mice with active MMP2 and MMP9 was to markedly enhance its overall chemotactic activity. In the bronchoalveolar fluid of MMP2(-/-)/MMP9(-/-) allergic mice, we identified several chemotactic molecules that possessed putative MMP2 and MMP9 cleavage sites and were present as higher molecular mass species. In vitro cleavage assays and mass spectroscopy confirmed that three of the identified proteins, Ym1, S100A8, and S100A9, were substrates of MMP2, MMP9, or both. Function-blocking Abs to S100 proteins significantly altered allergic inflammatory cell migration into the alveolar space. Thus, an important effect of MMPs is to differentially modify chemotactic bioactivity through proteolytic processing of proteins present in the airway. These findings provide a molecular mechanism to explain the enhanced clearance of lung inflammatory cells through the airway and reveal a novel approach to target new therapies for asthma.
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Affiliation(s)
| | - David B. Corry
- Department of Medicine, Baylor College of Medicine, Houston, TX 77030
- Department of Immunology, Baylor College of Medicine, Houston, TX 77030
| | - David A. Engler
- Department of Internal Medicine, University of Texas Medical School, Houston, TX 77030
| | | | - Philippe Tessier
- Infectious Diseases Research Center and Department of Medicine, Laval University, Québec, Canada
| | - Richard G. Cook
- Department of Immunology, Baylor College of Medicine, Houston, TX 77030
| | - Zena Werb
- Department of Anatomy, University of California, San Francisco, CA 94143
| | - Farrah Kheradmand
- Department of Medicine, Baylor College of Medicine, Houston, TX 77030
- Department of Immunology, Baylor College of Medicine, Houston, TX 77030
- Address correspondence and reprint requests to Dr. Farrah Kheradmand, Baylor University College of Medicine, One Baylor Plaza, Suite 520B, Houston, TX 77030. E-mail address:
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Lim JK, Lu W, Hartley O, DeVico AL. N-terminal proteolytic processing by cathepsin G converts RANTES/CCL5 and related analogs into a truncated 4-68 variant. J Leukoc Biol 2006; 80:1395-404. [PMID: 16963625 DOI: 10.1189/jlb.0406290] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
N-terminal proteolytic processing modulates the biological activity and receptor specificity of RANTES/CCL5. Previously, we showed that an unidentified protease associated with monocytes and neutrophils digests RANTES into a variant lacking three N-terminal residues (4-68 RANTES). This variant binds CCR5 but exhibits lower chemotactic and antiviral activities than unprocessed RANTES. In this study, we characterize cathepsin G as the enzyme responsible for this processing. Cell-mediated production of the 4-68 variant was abrogated by Eglin C, a leukocyte elastase and cathepsin G inhibitor, but not by the elastase inhibitor elastatinal. Further, anti-cathepsin G antibodies abrogated RANTES digestion in neutrophil cultures. In accordance, reagent cathepsin G specifically digested recombinant RANTES into the 4-68 variant. AOP-RANTES and Met-RANTES were also converted into the 4-68 variant upon exposure to cathepsin G or neutrophils, while PSC-RANTES was resistant to such cleavage. Similarly, macaque cervicovaginal lavage samples digested Met-RANTES and AOP-RANTES, but not PSC-RANTES, into the 4-68 variant and this processing was also inhibited by anti-cathepsin G antibodies. These findings suggest that cathepsin G mediates a novel pathway for regulating RANTES activity and may be relevant to the role of RANTES and its analogs in preventing HIV infection.
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Affiliation(s)
- Jean K Lim
- Institute of Human Virology, University of Maryland, Baltimore, 725 W. Lombard Street, 6th fl., Baltimore, MD 21201, USA
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Abstract
Neutrophils are essential for host defence against invading pathogens. They engulf and degrade microorganisms using an array of weapons that include reactive oxygen species, antimicrobial peptides, and proteases such as cathepsin G, neutrophil elastase and proteinase 3. As discussed in this Review, the generation of mice deficient in these proteases has established a role for these enzymes as intracellular microbicidal agents. However, I focus mainly on emerging data indicating that, after release, these proteases also contribute to the extracellular killing of microorganisms, and regulate non-infectious inflammatory processes by activating specific receptors and modulating the levels of cytokines.
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Affiliation(s)
- Christine T N Pham
- Division of Rheumatology, Department of Internal Medicine, Washington University School of Medicine, Saint Louis, Missouri 63110, USA.
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Zabel BA, Zuniga L, Ohyama T, Allen SJ, Cichy J, Handel TM, Butcher EC. Chemoattractants, extracellular proteases, and the integrated host defense response. Exp Hematol 2006; 34:1021-32. [PMID: 16863908 DOI: 10.1016/j.exphem.2006.05.003] [Citation(s) in RCA: 107] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2006] [Indexed: 01/22/2023]
Abstract
The host response to tissue injury and/or infection is dependent on the action of numerous extracellular proteases. Proteolytic cascades trigger blood clotting, fibrinolysis, and complement activation, while proteases released upon leukocyte degranulation are integral to the processes of inflammation and immunity. Modulation of effector protein activity by proteases provides a critical layer of posttranslational control that enables rapid enzymatic regulation of target proteins. This report reviews the emerging literature describing a novel class of proteolytic targets, leukocyte chemoattractants, and, in particular, chemerin, a dendritic cell and macrophage chemoattractant activated by serine proteases of the coagulation, fibrinolytic, and inflammatory cascades. As chemoattractants are critical for both systemic leukocyte positioning by triggering integrin activation and subsequent recruitment from circulation, and local intratissue leukocyte positioning via chemotaxis, modulation of attractant activities by proteases may have profound effects on the immune response.
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Affiliation(s)
- Brian A Zabel
- Laboratory of Immunology and Vascular Biology, Department of Pathology, Stanford University School of Medicine, Stanford, California, USA.
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Cagli NA, Hakki SS, Dursun R, Toy H, Gokalp A, Ryu OH, Hart PS, Hart TC. Clinical, genetic, and biochemical findings in two siblings with Papillon-Lefèvre Syndrome. J Periodontol 2006; 76:2322-9. [PMID: 16332247 DOI: 10.1902/jop.2005.76.12.2322] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Papillon-Lefèvre Syndrome (PLS) is an autosomal recessive disease characterized by palmoplantar hyperkeratosis and severe periodontitis affecting both primary and secondary dentitions. Cathepsin C (CTSC) gene mutations are etiologic for PLS. The resultant loss of CTSC function is responsible for the severe periodontal destruction seen clinically. METHODS A 4-year-old female (case 1) and her 10-year-old sister (case 2) presented with palmoplantar skin lesions, tooth mobility, and advanced periodontitis. Based on clinical findings, the cases were diagnosed with PLS. Mutational screening of the CTSC gene was conducted for the cases, and their clinically unaffected parents and brother. Biochemical analysis was performed for CTSC, cathepsin G (CTSG), and elastase activity in neutrophils for all members of the nuclear family. The initial treatment included oral hygiene instruction, scaling and root planing, and systemic amoxicillin-metronidazole therapy. RESULTS CTSC mutational screening identified a c.415G>A transition mutation. In the homozygous state, this mutation was associated with an almost complete loss of activity of CTSC, CTSG, and elastase. Although monthly visits, including scaling, polishing, and 0.2% chlorhexidine digluconate irrigation were performed to stabilize the periodontal condition, case 1 lost all her primary teeth. In case 2, some of the permanent teeth could be maintained. CONCLUSIONS This report describes two siblings with a cathepsin C gene mutation that is associated with the inactivity of cathepsin C and several neutrophil serine proteases. The failure of patients to respond to periodontal treatment is discussed in the context of these biological findings.
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Affiliation(s)
- N Arzu Cagli
- Department of Periodontology, Faculty of Dentistry, Selcuk University, Konya, Turkey
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