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Lu X, Zhang K, Jiang W, Li H, Huang Y, Du M, Wan J, Cao Y, Du L, Liu X, Pan W. Single-cell RNA sequencing combined with whole exome sequencing reveals the landscape of the immune pathogenic response to chronic mucocutaneous candidiasis with STAT1 GOF mutation. Front Immunol 2022; 13:988766. [PMID: 36225936 PMCID: PMC9549386 DOI: 10.3389/fimmu.2022.988766] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 08/08/2022] [Indexed: 11/13/2022] Open
Abstract
Chronic mucocutaneous candidiasis (CMC) is characterized by recurrent or persistent infections with Candida of the skin, nails, and mucous membranes (e.g., mouth, esophagus, and vagina). Compared with that of other infectious diseases, the immune pathogenic mechanism of CMC is still poorly understood. We identified a signal transducer and activator of transcription 1 gain-of-function (c.Y289C) mutation in a CMC patient. Single-cell transcriptional profiling on peripheral blood mononuclear cells from this patient revealed decreases in immature B cells and monocytes. Further analysis revealed several differentially expressed genes related to immune regulation, including RGS1, TNFAIP3, S100A8/A9, and CTSS. In our review of the literature on signal transducer and activator of transcription 1 gain-of-function (c.Y289C) mutations, we identified seven cases in total. The median age of onset for CMC (n=4, data lacking for three cases) was 10.5 years (range: birth to 11 years), with an average onset age of 8 years. There were no reports linking tumors to the c.Y289C mutation, and the incidence of pre-existing clinical disease in patients with the c.Y289C mutation was similar to previous data.
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Affiliation(s)
- Xiaodi Lu
- Shanghai Key Laboratory of Molecular Medicine Mycology, Naval Medical University, Shanghai, China
| | - Keming Zhang
- Shanghai Key Laboratory of Molecular Medicine Mycology, Naval Medical University, Shanghai, China
| | - Weiwei Jiang
- Shanghai Key Laboratory of Molecular Medicine Mycology, Naval Medical University, Shanghai, China
- Department of Dermatology, 72nd Group Army Hospital of People’s Liberation Army (PLA), Huzhou, China
| | - Hang Li
- Shanghai Key Laboratory of Molecular Medicine Mycology, Naval Medical University, Shanghai, China
| | - Yue Huang
- Shanghai Key Laboratory of Molecular Medicine Mycology, Naval Medical University, Shanghai, China
| | - Mingwei Du
- Shanghai Key Laboratory of Molecular Medicine Mycology, Naval Medical University, Shanghai, China
| | - Jian Wan
- Department of Dermatology, Pudong New Area People’s Hospital, Shanghai, China
| | - Yanyun Cao
- Department of Dermatology, Pudong New Area People’s Hospital, Shanghai, China
- Shanghai Key Laboratory of Pathogenic Fungi Medical Testing, Pudong New Area People’s Hospital, Shanghai, China
| | - Lin Du
- Shanghai Key Laboratory of Molecular Medicine Mycology, Naval Medical University, Shanghai, China
- *Correspondence: Lin Du, ; Xiaogang Liu, ; Weihua Pan,
| | - Xiaogang Liu
- Shanghai Key Laboratory of Molecular Medicine Mycology, Naval Medical University, Shanghai, China
- *Correspondence: Lin Du, ; Xiaogang Liu, ; Weihua Pan,
| | - Weihua Pan
- Shanghai Key Laboratory of Molecular Medicine Mycology, Naval Medical University, Shanghai, China
- *Correspondence: Lin Du, ; Xiaogang Liu, ; Weihua Pan,
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Esberg A, Isehed C, Holmlund A, Lindquist S, Lundberg P. Serum proteins associated with periodontitis relapse post-surgery: A pilot study. J Periodontol 2021; 92:1805-1814. [PMID: 33813739 DOI: 10.1002/jper.21-0089] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 03/26/2021] [Accepted: 03/26/2021] [Indexed: 11/07/2022]
Abstract
BACKGROUND The knowledge of which genes and proteins that are connected to the susceptibility to gingivitis with subsequent local tissue degradation seen in periodontitis is insufficient. Changes of serum proteins associated with recurrence of bleeding on probing (BOP) and increased periodontal pocket depths (PPD) after surgical treatment of periodontitis could reveal molecules that could be early signals of tissue destruction and/or of importance for systemic effects in other tissues or organs. METHODS We performed a longitudinal pilot study and followed 96 inflammation-related proteins over time in serum from patients who underwent surgical treatment of periodontitis (n= 21). The samples were taken before (time 0), and then at 3, 6, and 12 months after surgery. Changes in protein levels were analysed in relation to the clinical outcome measures, that is, proportion of surfaces affected by BOP and PPD. RESULTS Changes in treatment outcomes with early signs of relapse in periodontitis after surgical treatment, for example, increased BOP and PPDs, were during 12-months follow up associated with increased serum levels of high-sensitivity C-reactive protein (hs-CRP) and programmed death-ligand 1 (PD-L1), and reduced serum levels of cystatin-D protein. CONCLUSION This study shows that clinical signs of recurrence of periodontitis after surgery are reflected in serum, but larger studies are needed for verification. Our novel findings of an association between increased PD-L1- and decreased cystatin D-levels and recurrence in periodontitis are interesting because PD-L1 has been shown to facilitate bacterial infections and chronic inflammation and cystatin D to inhibit tissue destruction. Our results justify mechanistic studies regarding the role of these molecules in periodontitis.
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Affiliation(s)
- Anders Esberg
- Department of Odontology, Umeå University, Umeå, Sweden
| | - Catrine Isehed
- Department of Molecular Periodontology, Umeå University, Umeå, Sweden.,Gävle County Hospital, Department of Periodontology, Public Dental Health County Council of Gävleborg, Gävle, Sweden.,Center for Research and Development Uppsala University/Region Gävleborg, Gävle, Sweden
| | - Anders Holmlund
- Gävle County Hospital, Department of Periodontology, Public Dental Health County Council of Gävleborg, Gävle, Sweden.,Center for Research and Development Uppsala University/Region Gävleborg, Gävle, Sweden
| | - Susanne Lindquist
- Department of Molecular Periodontology, Umeå University, Umeå, Sweden
| | - Pernilla Lundberg
- Department of Molecular Periodontology, Umeå University, Umeå, Sweden
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Involvement of Cathepsins in Innate and Adaptive Immune Responses in Periodontitis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:4517587. [PMID: 32328131 PMCID: PMC7150685 DOI: 10.1155/2020/4517587] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 02/27/2020] [Accepted: 03/07/2020] [Indexed: 12/25/2022]
Abstract
Periodontitis is an infectious disease whereby the chronic inflammatory process of the periodontium stimulated by bacterial products induces specific host cell responses. The activation of the host cell immune system upregulates the production of inflammatory mediators, comprising cytokines and proteolytic enzymes, which contribute to inflammation and bone destruction. It has been well known that periodontitis is related to systemic inflammation which links to numerous systemic diseases, including diabetes and arteriosclerosis. Furthermore, periodontitis has been reported in association with neurodegenerative diseases such as Alzheimer's disease (AD) in the brain. Regarding immune responses and inflammation, cathepsin B (CatB) plays pivotal role for the induction of IL-1β, cathepsin K- (CatK-) dependent active toll-like receptor 9 (TLR9) signaling, and cathepsin S (CatS) which involves in regulating both TLR signaling and maturation of the MHC class II complex. Notably, both the production and proteolytic activities of cathepsins are upregulated in chronic inflammatory diseases, including periodontitis. In the present review, we focus on the roles of cathepsins in the innate and adaptive immune responses within periodontitis. We believe that understanding the roles of cathepsins in the immune responses in periodontitis would help to elucidate the therapeutic strategies of periodontitis, thus benefit for reduction of systemic diseases as well as neurodegenerative diseases in the global aging society.
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A highly significant association between Cathepsin S gene polymorphisms rs12068264 and chronic obstructive pulmonary disease susceptibility in Han Chinese population. Biosci Rep 2018; 38:BSR20180410. [PMID: 29976774 PMCID: PMC6050194 DOI: 10.1042/bsr20180410] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 06/08/2018] [Accepted: 07/04/2018] [Indexed: 12/15/2022] Open
Abstract
Cathepsin S (CTSS) and Sirtuin-1 (SIRT1) played crucial roles in the pathogenesis of chronic obstructive pulmonary disease (COPD). However, the associations between the polymorphisms of CTSS as well as SIRT1 and COPD in Asian population remain elusive. In the present study, one single nucleotide polymorphism (SNP) in rs12068264 was discovered (in 385 individuals) to be associated with the susceptibility of COPD in a Chinese Han population. The genotyping was performed using improved multiplex ligase detection reaction (iMLDR) technique. Subjects with T allele of rs12068264 in CTSS gene had an increased risk of COPD (T compared with C: odds ratio (OR) = 1.351, 95% confidence interval (95% CI): 1.008-1.811, P=0.044) compared with C allele. Subjects with TT genotype at rs12068264 had a higher risk of COPD in a recessive model (TT compared with TC + CC: OR = 2.30, 95% CI: 1.06-4.989, P=0.035). Compared with the C variant of rs12068264, the homozygous carriers of the TT genotype had higher procalcitonin (PCT) levels. Finally, haplotype analysis demonstrated that the SNPs in the CTSS and SIRT1 gene had no statistical differences between patients with COPD and the controls. In conclusion, the genetic polymorphisms of CTSS were associated with the susceptibility of COPD in a Chinese Han population, which may be helpful in understanding genetic mechanisms underlying the pathogenesis of COPD.
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Memmert S, Nokhbehsaim M, Damanaki A, Nogueira AVB, Papadopoulou AK, Piperi C, Basdra EK, Rath-Deschner B, Götz W, Cirelli JA, Jäger A, Deschner J. Role of cathepsin S In periodontal wound healing-an in vitro study on human PDL cells. BMC Oral Health 2018; 18:60. [PMID: 29622023 PMCID: PMC5887187 DOI: 10.1186/s12903-018-0518-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Accepted: 03/20/2018] [Indexed: 12/15/2022] Open
Abstract
Background Cathepsin S is a cysteine protease, which is expressed in human periodontal ligament (PDL) cells under inflammatory and infectious conditions. This in vitro study was established to investigate the effect of cathepsin S on PDL cell wound closure. Methods An in vitro wound healing assay was used to monitor wound closure in wounded PDL cell monolayers for 72 h in the presence and absence of cathepsin S. In addition, the effects of cathepsin S on specific markers for apoptosis and proliferation were studied at transcriptional level. Changes in the proliferation rate due to cathepsin S stimulation were analyzed by an XTT assay, and the actions of cathepsin S on cell migration were investigated via live cell tracking. Additionally, PDL cell monolayers were treated with a toll-like receptor 2 agonist in the presence and absence of a cathepsin inhibitor to examine if periodontal bacteria can alter wound closure via cathepsins. Results Cathepsin S enhanced significantly the in vitro wound healing rate by inducing proliferation and by increasing the speed of cell migration, but had no effect on apoptosis. Moreover, the toll-like receptor 2 agonist enhanced significantly the wound closure and this stimulatory effect was dependent on cathepsins. Conclusions Our findings provide original evidence that cathepsin S stimulates PDL cell proliferation and migration and, thereby, wound closure, suggesting that this cysteine protease might play a critical role in periodontal remodeling and healing. In addition, cathepsins might be exploited by periodontal bacteria to regulate critical PDL cell functions.
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Affiliation(s)
- Svenja Memmert
- Section of Experimental Dento-Maxillo-Facial Medicine, Center of Dento-Maxillo-Facial Medicine, University of Bonn, Bonn, Germany. .,Department of Orthodontics, Center of Dento-Maxillo-Facial Medicine, University of Bonn, Bonn, Germany.
| | - Marjan Nokhbehsaim
- Section of Experimental Dento-Maxillo-Facial Medicine, Center of Dento-Maxillo-Facial Medicine, University of Bonn, Bonn, Germany
| | - Anna Damanaki
- Section of Experimental Dento-Maxillo-Facial Medicine, Center of Dento-Maxillo-Facial Medicine, University of Bonn, Bonn, Germany
| | - Andressa V B Nogueira
- Department of Diagnosis and Surgery, School of Dentistry at Araraquara, Sao Paulo State University, UNESP, Araraquara, Brazil
| | | | - Christina Piperi
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Efthimia K Basdra
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Birgit Rath-Deschner
- Department of Orthodontics, Center of Dento-Maxillo-Facial Medicine, University of Bonn, Bonn, Germany
| | - Werner Götz
- Department of Orthodontics, Center of Dento-Maxillo-Facial Medicine, University of Bonn, Bonn, Germany
| | - Joni A Cirelli
- Department of Diagnosis and Surgery, School of Dentistry at Araraquara, Sao Paulo State University, UNESP, Araraquara, Brazil
| | - Andreas Jäger
- Department of Orthodontics, Center of Dento-Maxillo-Facial Medicine, University of Bonn, Bonn, Germany
| | - James Deschner
- Section of Experimental Dento-Maxillo-Facial Medicine, Center of Dento-Maxillo-Facial Medicine, University of Bonn, Bonn, Germany.,Noel Martin Visiting Chair, Faculty of Dentistry, University of Sydney, Sydney, Australia
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Role of Cathepsin S in Periodontal Inflammation and Infection. Mediators Inflamm 2017; 2017:4786170. [PMID: 29362520 PMCID: PMC5736933 DOI: 10.1155/2017/4786170] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Accepted: 10/29/2017] [Indexed: 12/19/2022] Open
Abstract
Cathepsin S is a cysteine protease and regulator of autophagy with possible involvement in periodontitis. The objective of this study was to investigate whether cathepsin S is involved in the pathogenesis of periodontal diseases. Human periodontal fibroblasts were cultured under inflammatory and infectious conditions elicited by interleukin-1β and Fusobacterium nucleatum, respectively. An array-based approach was used to analyze differential expression of autophagy-associated genes. Cathepsin S was upregulated most strongly and thus further studied in vitro at gene and protein levels. In vivo, gingival tissue biopsies from rats with ligature-induced periodontitis and from periodontitis patients were also analyzed at transcriptional and protein levels. Multiple gene expression changes due to interleukin-1β and F. nucleatum were observed in vitro. Both stimulants caused a significant cathepsin S upregulation. A significantly elevated cathepsin S expression in gingival biopsies from rats with experimental periodontitis was found in vivo, as compared to that from control. Gingival biopsies from periodontitis patients showed a significantly higher cathepsin S expression than those from healthy gingiva. Our findings provide original evidence that cathepsin S is increased in periodontal cells and tissues under inflammatory and infectious conditions, suggesting a critical role of this autophagy-associated molecule in the pathogenesis of periodontitis.
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Perišić Nanut M, Sabotič J, Jewett A, Kos J. Cysteine cathepsins as regulators of the cytotoxicity of NK and T cells. Front Immunol 2014; 5:616. [PMID: 25520721 PMCID: PMC4251435 DOI: 10.3389/fimmu.2014.00616] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Accepted: 11/18/2014] [Indexed: 11/13/2022] Open
Abstract
Cysteine cathepsins are lysosomal peptidases involved at different levels in the processes of the innate and adaptive immune responses. Some, such as cathepsins B, L, and H are expressed constitutively in most immune cells. In cells of innate immunity they play a role in cell adhesion and phagocytosis. Other cysteine cathepsins are expressed more specifically. Cathepsin X promotes dendritic cell maturation, adhesion of macrophages, and migration of T cells. Cathepsin S is implicated in major histocompatibility complex class II antigen presentation, whereas cathepsin C, expressed in cytotoxic T lymphocytes and natural killer (NK) cells, is involved in processing pro-granzymes into proteolytically active forms, which trigger cell death in their target cells. The activity of cysteine cathepsins is controlled by endogenous cystatins, cysteine protease inhibitors. Of these, cystatin F is the only cystatin that is localized in endosomal/lysosomal vesicles. After proteolytic removal of its N-terminal peptide, cystatin F becomes a potent inhibitor of cathepsin C with the potential to regulate pro-granzyme processing and cell cytotoxicity. This review is focused on the role of cysteine cathepsins and their inhibitors in the molecular mechanisms leading to the cytotoxic activity of T lymphocytes and NK cells in order to address new possibilities for regulation of their function in pathological processes.
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Affiliation(s)
| | - Jerica Sabotič
- Department of Biotechnology, Jožef Stefan Institute , Ljubljana , Slovenia
| | - Anahid Jewett
- Division of Oral Biology and Medicine, The Jane and Jerry Weintraub Center for Reconstructive Biotechnology, UCLA School of Dentistry, University of California Los Angeles , Los Angeles, CA , USA
| | - Janko Kos
- Department of Biotechnology, Jožef Stefan Institute , Ljubljana , Slovenia ; Faculty of Pharmacy, University of Ljubljana , Ljubljana , Slovenia
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Kos J, Sekirnik A, Premzl A, Zavasnik Bergant V, Langerholc T, Turk B, Werle B, Golouh R, Repnik U, Jeras M, Turk V. Carboxypeptidases cathepsins X and B display distinct protein profile in human cells and tissues. Exp Cell Res 2005; 306:103-13. [PMID: 15878337 DOI: 10.1016/j.yexcr.2004.12.006] [Citation(s) in RCA: 92] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2004] [Revised: 12/07/2004] [Accepted: 12/08/2004] [Indexed: 01/09/2023]
Abstract
Cathepsin X, a recently discovered lysosomal cysteine protease, shares common structural features and activity properties with cysteine protease cathepsin B. Based on its widespread mRNA distribution in primary tumors and tumor cell lines, a redundant function in tumor progression has been proposed. In this study, we have shown that these two related proteases exhibit different profiles with respect to their protein distribution in cells and tissues and to their possible roles in malignancy. Protein level of cathepsin X did not differ significantly between matched pairs of lung tumor and adjacent lung tissue obtained from patients with lung cancer whereas that of cathepsin B was 9.6-fold higher in tumor compared to adjacent lung tissue. Immunohistochemical analysis of lung tumor cathepsin X revealed very faint staining in tumor cells but positive staining in infiltrated histiocytes, alveolar macrophages, bronchial epithelial cells, and alveolar type II cells. Cathepsin X stained positive also in CD68+ cells in germinal centers of secondary follicles in lymph nodes, corresponding to tingible body macrophages. Two cell lines with proven invasive behavior, MCF-10A neoT and MDA-MB 231, showed positive staining for cathepsin B, but negative for cathepsin X. We showed that the invasive potential of MCF-10A neoT cells can be impaired by specific inhibitor of cathepsin B but not by that of cathepsin X. Cathepsin X was found in large amounts in the pro-monocytic U-937 cell line, in monocytes and in dendritic cells, generated from monocytes in vitro. Our results show that cathepsin X is not involved in degradation of extracellular matrix, a proteolytic event leading to tumor cell invasion and metastasis. Its expression, restricted to immune cells suggests a role in phagocytosis and the regulation of immune response.
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Affiliation(s)
- Janko Kos
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Askerceva 7, SI-1000 Ljubljana, Slovenia
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Zavasnik-Bergant V, Schweiger A, Bevec T, Golouh R, Turk V, Kos J. Inhibitory p41 isoform of invariant chain and its potential target enzymes cathepsins L and H in distinct populations of macrophages in human lymph nodes. Immunology 2004; 112:378-85. [PMID: 15196205 PMCID: PMC1782512 DOI: 10.1111/j.1365-2567.2004.01879.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Activation of the CD4(+) T-cell mediated immune response relies on the proteolytic capacity of enzymes involved in modulating major histocompatibility complex (MHC) II-associated antigen presentation in antigen-presenting cells (APC). The MHC II-associated chaperone molecule p41 isoform of invariant chain (inhibitory p41 Ii) has been suggested to regulate stability and activity of cathepsin L in these APC. In the present study the human lymph node distribution of non-inhibitory p31 Ii and inhibitory p41 Ii have been compared by differential labelling, using two specific monoclonal antibodies. The distribution of p41 Ii, but not p31 Ii, matched the distribution of cathepsins L and H in subcapsular and cortical sinuses and germinal centres. Co-localization of p41 Ii with cathepsin H was confirmed in strongly CD68(+) sinus-lining macrophages, acting as APC. Furthermore, p41 Ii was determined together with cathepsins L and H in tingible body macrophages, highly phagocytic, but not antigen-presenting cells inside germinal centres. With respect to the physiological function that these two populations of macrophages have in human lymph nodes, our results support a regulatory function of p41 Ii towards cathepsins L and H in human macrophages, associated with the processes of phagocytosis rather than antigen presentation.
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Berdowska I. Cysteine proteases as disease markers. Clin Chim Acta 2004; 342:41-69. [PMID: 15026265 DOI: 10.1016/j.cccn.2003.12.016] [Citation(s) in RCA: 143] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2003] [Revised: 12/17/2003] [Accepted: 12/17/2003] [Indexed: 01/19/2023]
Abstract
This review comprises issues concerning cysteine cathepsins (CCs): human peptidases belonging to papain family (C1) of clan CA of cysteine proteases: cathepsins B, L, H, S, K, F, V, X, W, O and C. The involvement of these enzymes in physiological and pathological processes is described, especially with respect to their application as diagnostic and prognostic markers. They participate in precursor protein activation (including proenzymes and prohormones), MHC-II-mediated antigen presentation, bone remodeling, keratinocytes differentiation, hair follicle cycle, reproduction and apoptosis. Cysteine cathepsins upregulation has been demonstrated in many human tumors, including breast, lung, brain, gastrointestinal, head and neck cancer, and melanoma. Besides cancer diseases, they have been implied to participate in inflammatory diseases, such as inflammatory myopathies, rheumatoid arthritis, and periodontitis. Also, certain hereditary disorders are connected with mutations in CCs genes, what is observed in pycnodysostosis resulted from catK gene mutation and Papillon-Lefevre and Haim-Munk syndrome caused by catC gene defect. The potential application of cysteine cathepsins in diagnosis and/or prognosis is discussed in cancer diseases (breast, lung, head and neck, ovarian, gastrointestinal cancers, melanoma), as well as other disorders (periodontitis, rheumatoid arthritis, osteoarthritis).
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Affiliation(s)
- Izabela Berdowska
- Department of Medical Biochemistry, Wroclaw Medical University, 10 Chalubinskiego, 50-368 Wroclaw, Poland.
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Turk V, Turk B, Guncar G, Turk D, Kos J. Lysosomal cathepsins: structure, role in antigen processing and presentation, and cancer. ADVANCES IN ENZYME REGULATION 2002; 42:285-303. [PMID: 12123721 DOI: 10.1016/s0065-2571(01)00034-6] [Citation(s) in RCA: 137] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Vito Turk
- Department of Biochemistry and Molecular Biology, J. Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia.
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Kos J, Sekirnik A, Kopitar G, Cimerman N, Kayser K, Stremmer A, Fiehn W, Werle B. Cathepsin S in tumours, regional lymph nodes and sera of patients with lung cancer: relation to prognosis. Br J Cancer 2001; 85:1193-200. [PMID: 11710834 PMCID: PMC2375152 DOI: 10.1054/bjoc.2001.2057] [Citation(s) in RCA: 67] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Cysteine proteinase cathepsin S (Cat S) is expressed mainly in lymphatic tissues and has been characterised as a key enzyme in major histocompatibility complex class II (MHC-II) mediated antigen presentation. Cat S has been measured in tissue cytosols of lung parenchyma, lung tumours and lymph nodes and in sera of patients with lung tumours and of healthy controls, by specific enzyme-linked immunosorbent assay (ELISA). A difference in Cat S level was found between tumour and adjacent control tissue cytosols of 60 lung cancer patients (median 4.3 vs. 2.8 ng mg(-1) protein). In lymph nodes obtained from 24 patients of the same group, the level of Cat S was significantly higher than in tumours or lung parenchyma (P< 0.001). Additionally, significantly higher levels were found in non-infiltrated than in infiltrated lymph nodes (median 16.6 vs 7.5 ng mg(-1) protein). Patients with low levels of Cat S in tumours and lung parenchyma exhibited a significantly higher risk of death than those with high levels of Cat S (P = 0.025 - tumours; P = 0.02 - parenchyma). Immunohistochemical analysis (IHA) of lung parenchyma revealed a staining reaction in alveolar type II cells, macrophages and bronchial epithelial cells. In regional lymph node tissue, strong staining of Cat S was found in lymphocytes and histiocytes. Nevertheless, Cat S was detected also in tumour cells, independently of their origin. Our results provide evidence that Cat S may be involved in malignant progression. Its role, however, differs from that of the related Cats B and L and could be associated with the immune response rather than with remodelling of extracellular matrix.
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Affiliation(s)
- J Kos
- Department of Biochemistry and Molecular Biology, Jozef Stefan Institute, Jamova 39, Ljubljana, SI-1000, Slovenia
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