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Gilliet M, Modlin RL. Immunobiology of IL-26. J Invest Dermatol 2024; 144:1217-1222. [PMID: 38206272 DOI: 10.1016/j.jid.2023.10.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 10/22/2023] [Accepted: 10/22/2023] [Indexed: 01/12/2024]
Abstract
T helper 17 (Th17) cells produce a set of cytokines that include IL-17 family members, IL-21, IL-22, and IL-26. These cytokines all contribute to the classic function of Th17 cells in combatting extracellular infection and promoting inflammation in autoimmune diseases. However, of the Th17 cytokines, only IL-26 has direct antimicrobial activity against microbes and can activate a broad range of immune cells through its ability to bind DNA and trigger pattern recognition receptors. It is noteworthy that IL-26 is produced by mammalian cells, including human Th17 cells, but is absent in rodents. As such, IL-26 is a potential therapeutic target to augment host immune responses against microbial pathogens but also to prevent inflammation and tissue damage in a variety of autoimmune diseases.
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Affiliation(s)
- Michel Gilliet
- Department of Dermatology, CHUV University Hospital and University of Lausanne (UNIL), Lausanne, Switzerland.
| | - Robert L Modlin
- Division of Dermatology, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, USA.
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2
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Tang Y, Shen L, Yang D, Zhang J, Xie Q, Sun F, Luo Q. Neutrophil CD64 index as a potential blood biomarker for the diagnosis of neurosyphilis in secondary and tertiary syphilis: A retrospective study. Heliyon 2024; 10:e29027. [PMID: 38596103 PMCID: PMC11002674 DOI: 10.1016/j.heliyon.2024.e29027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 03/27/2024] [Accepted: 03/28/2024] [Indexed: 04/11/2024] Open
Abstract
Objective To examine the correlation of neutrophil CD64 (nCD64) index with neurosyphilis (NS) across different stages of syphilis. Methods A total of 1243 syphilis patients at different stages (344 of primary, 385 of secondary, and 514 of tertiary) included in this study were divided into NS and non-NS (NNS). Correlations of nCD64 index with currently used syphilis biomarkers were explored using Spearman correlation test. Relationships between nCD64 index and NS at different stages were investigated by stratified analysis and restricted cubic spline model. The diagnostic performance of nCD64 index for NS was assessed by receiver operating characteristic (ROC) curve. Results Significant statistical correlations of nCD64 index with cerebrospinal fluid (CSF) NS indicators were found in secondary and tertiary syphilis. Increased nCD64 index was associated with increased risk of NS in secondary and tertiary syphilis. ROC analysis values further confirmed the diagnostic potential of nCD64 index for NS. Marked decrease of nCD64 index was observed in NS patients after effective antisyphilitic treatments. Conclusions The nCD64 index may help to the diagnosis of NS in secondary and tertiary syphilis.
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Affiliation(s)
- Yijie Tang
- Department of Clinical Laboratory Medicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Lingyun Shen
- Department of Clinical Laboratory Medicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Dandan Yang
- Department of Clinical Laboratory Medicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Jiaqin Zhang
- Department of Clinical Laboratory Medicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Qinghui Xie
- Department of Clinical Laboratory Medicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Fenyong Sun
- Department of Clinical Laboratory Medicine, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Qingqiong Luo
- Department of Clinical Laboratory Medicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
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Xiong S, Liu Z, Zhang X, Huang S, Ding X, Zhou J, Yao J, Li W, Liu S, Zhao F. Resurgence of syphilis: focusing on emerging clinical strategies and preclinical models. J Transl Med 2023; 21:917. [PMID: 38105236 PMCID: PMC10726518 DOI: 10.1186/s12967-023-04685-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 10/30/2023] [Indexed: 12/19/2023] Open
Abstract
Syphilis, a sexually transmitted disease (STD) caused by Treponema pallidum (T. pallidum), has had a worldwide resurgence in recent years and remains a public health threat. As such, there has been a great deal of research into clinical strategies for the disease, including diagnostic biomarkers and possible strategies for treatment and prevention. Although serological testing remains the predominant laboratory diagnostic method for syphilis, it is worth noting that investigations pertaining to the DNA of T. pallidum, non-coding RNAs (ncRNAs), chemokines, and metabolites in peripheral blood, cerebrospinal fluid, and other bodily fluids have the potential to offer novel perspectives on the diagnosis of syphilis. In addition, the global spread of antibiotic resistance, such as macrolides and tetracyclines, has posed significant challenges for the treatment of syphilis. Fortunately, there is still no evidence of penicillin resistance. Hence, penicillin is the recommended course of treatment for syphilis, whereas doxycycline, tetracycline, ceftriaxone, and amoxicillin are viable alternative options. In recent years, efforts to discover a vaccine for syphilis have been reignited with better knowledge of the repertoire of T. pallidum outer membrane proteins (OMPs), which are the most probable syphilis vaccine candidates. However, research on therapeutic interventions and vaccine development for human subjects is limited due to practical and ethical considerations. Thus, the preclinical model is ideal for conducting research, and it plays an important role in clinical transformation. Different preclinical models have recently emerged, such as in vitro culture and mouse models, which will lay a solid foundation for clinical treatment and prevention of syphilis. This review aims to provide a comprehensive summary of the most recent syphilis tactics, including detection, drug resistance treatments, vaccine development, and preclinical models in clinical practice.
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Affiliation(s)
- Shun Xiong
- Institute of Pathogenic Biology and Key Laboratory of Special Pathogen Prevention and Control of Hunan Province, Hengyang Medical College, University of South China, Hengyang, 421001, China
| | - Zhaoping Liu
- Institute of Pathogenic Biology and Key Laboratory of Special Pathogen Prevention and Control of Hunan Province, Hengyang Medical College, University of South China, Hengyang, 421001, China
| | - Xiaohong Zhang
- Institute of Pathogenic Biology and Key Laboratory of Special Pathogen Prevention and Control of Hunan Province, Hengyang Medical College, University of South China, Hengyang, 421001, China
| | - Shaobin Huang
- Institute of Pathogenic Biology and Key Laboratory of Special Pathogen Prevention and Control of Hunan Province, Hengyang Medical College, University of South China, Hengyang, 421001, China
| | - Xuan Ding
- Institute of Pathogenic Biology and Key Laboratory of Special Pathogen Prevention and Control of Hunan Province, Hengyang Medical College, University of South China, Hengyang, 421001, China
| | - Jie Zhou
- Institute of Pathogenic Biology and Key Laboratory of Special Pathogen Prevention and Control of Hunan Province, Hengyang Medical College, University of South China, Hengyang, 421001, China
| | - Jiangchen Yao
- Institute of Pathogenic Biology and Key Laboratory of Special Pathogen Prevention and Control of Hunan Province, Hengyang Medical College, University of South China, Hengyang, 421001, China
| | - Weiwei Li
- Institute of Pathogenic Biology and Key Laboratory of Special Pathogen Prevention and Control of Hunan Province, Hengyang Medical College, University of South China, Hengyang, 421001, China
| | - Shuangquan Liu
- Institute of Pathogenic Biology and Key Laboratory of Special Pathogen Prevention and Control of Hunan Province, Hengyang Medical College, University of South China, Hengyang, 421001, China.
- Department of Clinical Laboratory Medicine, The First Affiliated Hospital, Institution of Microbiology and Infectious Diseases, Hengyang Medical College, University of South China, Hengyang, 421001, China.
| | - Feijun Zhao
- Institute of Pathogenic Biology and Key Laboratory of Special Pathogen Prevention and Control of Hunan Province, Hengyang Medical College, University of South China, Hengyang, 421001, China.
- Department of Clinical Laboratory Medicine, The First Affiliated Hospital, Institution of Microbiology and Infectious Diseases, Hengyang Medical College, University of South China, Hengyang, 421001, China.
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Kazakov AS, Deryusheva EI, Rastrygina VA, Sokolov AS, Permyakova ME, Litus EA, Uversky VN, Permyakov EA, Permyakov SE. Interaction of S100A6 Protein with the Four-Helical Cytokines. Biomolecules 2023; 13:1345. [PMID: 37759746 PMCID: PMC10526228 DOI: 10.3390/biom13091345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 08/19/2023] [Accepted: 08/31/2023] [Indexed: 09/29/2023] Open
Abstract
S100 is a family of over 20 structurally homologous, but functionally diverse regulatory (calcium/zinc)-binding proteins of vertebrates. The involvement of S100 proteins in numerous vital (patho)physiological processes is mediated by their interaction with various (intra/extra)cellular protein partners, including cell surface receptors. Furthermore, recent studies have revealed the ability of specific S100 proteins to modulate cell signaling via direct interaction with cytokines. Previously, we revealed the binding of ca. 71% of the four-helical cytokines via the S100P protein, due to the presence in its molecule of a cytokine-binding site overlapping with the binding site for the S100P receptor. Here, we show that another S100 protein, S100A6 (that has a pairwise sequence identity with S100P of 35%), specifically binds numerous four-helical cytokines. We have studied the affinity of the recombinant forms of 35 human four-helical cytokines from all structural families of this fold to Ca2+-loaded recombinant human S100A6, using surface plasmon resonance spectroscopy. S100A6 recognizes 26 of the cytokines from all families of this fold, with equilibrium dissociation constants from 0.3 nM to 12 µM. Overall, S100A6 interacts with ca. 73% of the four-helical cytokines studied to date, with a selectivity equivalent to that for the S100P protein, with the differences limited to the binding of interleukin-2 and oncostatin M. The molecular docking study evidences the presence in the S100A6 molecule of a cytokine-binding site, analogous to that found in S100P. The findings argue the presence in some of the promiscuous members of the S100 family of a site specific to a wide range of four-helical cytokines. This unique feature of the S100 proteins potentially allows them to modulate the activity of the numerous four-helical cytokines in the disorders accompanied by an excessive release of the cytokines.
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Affiliation(s)
- Alexey S. Kazakov
- Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Institute for Biological Instrumentation, Institutskaya str., 7, Pushchino, Moscow Region 142290, Russia; (A.S.K.); (E.I.D.); (V.A.R.); (A.S.S.); (M.E.P.); (E.A.L.); (E.A.P.)
| | - Evgenia I. Deryusheva
- Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Institute for Biological Instrumentation, Institutskaya str., 7, Pushchino, Moscow Region 142290, Russia; (A.S.K.); (E.I.D.); (V.A.R.); (A.S.S.); (M.E.P.); (E.A.L.); (E.A.P.)
| | - Victoria A. Rastrygina
- Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Institute for Biological Instrumentation, Institutskaya str., 7, Pushchino, Moscow Region 142290, Russia; (A.S.K.); (E.I.D.); (V.A.R.); (A.S.S.); (M.E.P.); (E.A.L.); (E.A.P.)
| | - Andrey S. Sokolov
- Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Institute for Biological Instrumentation, Institutskaya str., 7, Pushchino, Moscow Region 142290, Russia; (A.S.K.); (E.I.D.); (V.A.R.); (A.S.S.); (M.E.P.); (E.A.L.); (E.A.P.)
| | - Maria E. Permyakova
- Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Institute for Biological Instrumentation, Institutskaya str., 7, Pushchino, Moscow Region 142290, Russia; (A.S.K.); (E.I.D.); (V.A.R.); (A.S.S.); (M.E.P.); (E.A.L.); (E.A.P.)
| | - Ekaterina A. Litus
- Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Institute for Biological Instrumentation, Institutskaya str., 7, Pushchino, Moscow Region 142290, Russia; (A.S.K.); (E.I.D.); (V.A.R.); (A.S.S.); (M.E.P.); (E.A.L.); (E.A.P.)
| | - Vladimir N. Uversky
- Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Institute for Biological Instrumentation, Institutskaya str., 7, Pushchino, Moscow Region 142290, Russia; (A.S.K.); (E.I.D.); (V.A.R.); (A.S.S.); (M.E.P.); (E.A.L.); (E.A.P.)
- Department of Molecular, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA
- USF Health Byrd Alzheimer’s Research Institute, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA
| | - Eugene A. Permyakov
- Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Institute for Biological Instrumentation, Institutskaya str., 7, Pushchino, Moscow Region 142290, Russia; (A.S.K.); (E.I.D.); (V.A.R.); (A.S.S.); (M.E.P.); (E.A.L.); (E.A.P.)
| | - Sergei E. Permyakov
- Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Institute for Biological Instrumentation, Institutskaya str., 7, Pushchino, Moscow Region 142290, Russia; (A.S.K.); (E.I.D.); (V.A.R.); (A.S.S.); (M.E.P.); (E.A.L.); (E.A.P.)
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Xie L, Li W, Ye WM, Xiao Y, Ke WJ, Niu JJ, Yang TC. Serum Ubiquitin C-Terminal Hydrolase-L1, Glial Fibrillary Acidic Protein, and Neurofilament Light Chain Are Good Entry Points and Biomarker Candidates for Neurosyphilis Diagnosis Among Patients Without Human Immunodeficiency Virus to Avoid Lumbar Puncture. Clin Infect Dis 2023; 77:472-479. [PMID: 36929815 DOI: 10.1093/cid/ciad158] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/09/2023] [Accepted: 03/15/2023] [Indexed: 03/18/2023] Open
Abstract
BACKGROUND Laboratory tests to diagnose neurosyphilis using cerebrospinal fluid (CSF) are currently disadvantageous as a lumbar puncture is required, which may result in patients with neurosyphilis missing an opportunity for early diagnosis. Thus, blood biomarker candidates that are more convenient and minimally invasive to collect for diagnosing neurosyphilis is urgently needed. METHODS This observational study aimed to analyze serum ubiquitin C-terminal hydrolase-L1 (UCH-L1), glial fibrillary acidic protein (GFAP), and neurofilament light chain (NF-L) levels in 153 patients without human immunodeficiency virus (HIV) and to evaluate their diagnostic performance in neurosyphilis compared with CSF. RESULTS Serum UCH-L1, GFAP, and NF-L levels were significantly higher in patients with neurosyphilis compared with patients with uncomplicated syphilis or non-syphilis. For the diagnosis of neurosyphilis, serum UCH-L1, GFAP, and NF-L revealed sensitivities of 90.20%, 80.40%, and 88.24%, and specificities of 92.16%, 78.43%, and 80.39%, respectively, at cutoff levels of 814.50 pg/mL, 442.70 pg/mL, and 45.19 pg/mL, respectively. In patients with syphilis, serum UCH-L1, GFAP, and NF-L levels correlated strongly or moderately with those in the CSF, with similar or better diagnostic performance than those in the CSF. The testing algorithms' sensitivity and specificity increased to 98.04% and 96.08%, respectively, when subjected to parallel and combination testing, respectively. CONCLUSIONS To avoid lumbar puncture, each serum UCH-L1, GFAP, and NF-L is a good entry point and biomarker candidate for the diagnosis of neurosyphilis among patients without HIV. These proteins used in concerto can further improve the diagnostic sensitivity and specificity.
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Affiliation(s)
- Lin Xie
- Center of Clinical Laboratory, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
| | - Wei Li
- Center of Clinical Laboratory, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
| | - Wei-Ming Ye
- Center of Clinical Laboratory, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
| | - Yao Xiao
- Department of Hospital Infection Management, School of Medicine, Zhongshan Hospital of Xiamen University, Xiamen University, Xiamen, China
| | - Wu-Jian Ke
- Dermatology Hospital, Southern Medical University, Guangzhou, China
| | - Jian-Jun Niu
- Center of Clinical Laboratory, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
- Institute of Infectious Disease, School of Medicine, Xiamen University, Xiamen, China
| | - Tian-Ci Yang
- Center of Clinical Laboratory, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
- Institute of Infectious Disease, School of Medicine, Xiamen University, Xiamen, China
- Xiamen Clinical Laboratory Quality Control Center, Xiamen, China
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Du FZ, Zhang X, Zhang RL, Wang QQ. CARE-NS, a research strategy for neurosyphilis. Front Med (Lausanne) 2023; 9:1040133. [PMID: 36687428 PMCID: PMC9852909 DOI: 10.3389/fmed.2022.1040133] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 12/16/2022] [Indexed: 01/07/2023] Open
Abstract
Neurosyphilis is a major clinical manifestation of syphilis. In recent years, an increase in neurosyphilis cases has been reported in many countries. The overall incidence of neurosyphilis remains unknown, and there is a lack of understanding of the disease pathogenesis, which hampers clinical management, development of prevention strategies, and control. This article proposes the CARE-NS research strategy to enhance the clinical management of neurosyphilis, which consists of six key features: comprehensive management including multidisciplinary treatment (C), alleviating neurological impairment and sequelae (A), risk factors and clinical epidemiology (R), etiology and pathogenesis (E), new diagnostic indicators and strategies (N), and social impact and cost-effectiveness analysis (S).
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Affiliation(s)
- Fang-Zhi Du
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, National Center for STD Control, China Centers for Disease Control and Prevention, Nanjing, China
| | - Xu Zhang
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, National Center for STD Control, China Centers for Disease Control and Prevention, Nanjing, China
| | - Rui-Li Zhang
- Department of Dermatology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China,*Correspondence: Rui-Li Zhang,
| | - Qian-Qiu Wang
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, National Center for STD Control, China Centers for Disease Control and Prevention, Nanjing, China,Qian-Qiu Wang,
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Ke W, Tso LS, Li D. Editorial: Neurosyphilis: epidemiology, clinical manifestations, diagnosis, immunology and treatment. Front Med (Lausanne) 2023; 10:1191113. [PMID: 37153093 PMCID: PMC10155196 DOI: 10.3389/fmed.2023.1191113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 04/03/2023] [Indexed: 05/09/2023] Open
Affiliation(s)
- Wujian Ke
- Department of Sexually Transmitted Diseases, Dermatology Hospital of Southern Medical University, Guangzhou, Guangdong, China
| | - Lai Sze Tso
- Department of Sociology and Anthropology, Gustavus Adolphus College, Saint Peter, MN, United States
| | - Dongdong Li
- Division of Clinical Microbiology, Department of Laboratory Medicine, West China Hospital of Sichuan University, Chengdu, China
- *Correspondence: Dongdong Li
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