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Niu D, Yue SY, Wang X, Li WY, Zhang L, Du HX, Liang CZ. High glucose intake exacerbates experimental autoimmune prostatitis through mitochondrial reactive oxygen species-dependent TGF-β activation-mediated Th17 differentiation. Int Immunopharmacol 2024; 130:111682. [PMID: 38394885 DOI: 10.1016/j.intimp.2024.111682] [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: 11/23/2023] [Revised: 01/28/2024] [Accepted: 02/08/2024] [Indexed: 02/25/2024]
Abstract
Chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) is a common inflammatory immune disease of the urogenital system. High glucose intake is considered to be a potential promoter of autoimmune diseases. However, the influence of high glucose intake on CP/CPPS is unknown. This research aimed to explore the influences of high glucose intake on experimental autoimmune prostatitis (EAP), a valid animal model of CP/CPPS, and the underlying mechanism. NOD mice received 20% glucose water or normal water treatment during EAP induction. EAP severity and Th17 cell responses were evaluated. Then, we explored the effects of an IL-17A neutralizing antibody, an inhibitor of TGF-β, the reactive oxygen species (ROS) inhibitor NAC, and the mitochondrial ROS (mtROS) antioxidant MitoQ on glucose-fed EAP mice. The results demonstrated that high glucose intake aggravated EAP severity and promoted Th17 cell generation, which could be ameliorated by the neutralization of IL-17A. In vitro experiments showed that high dextrose concentrations promoted Th17 cell differentiation through mtROS-dependent TGF-β activation. Treatment with TGF-β blockade, NAC, or MitoQ suppressed Th17 cell generation both in vivo and in vitro, resulting in the amelioration of EAP manifestations caused by high glucose intake. This study revealed that high glucose intake exacerbates EAP through mtROS-dependent TGF-β activation-mediated Th17 differentiation. Our results may provide insights into the molecular mechanisms underlying the detrimental effects of an environmental factor, such as high glucose intake, on CP/CPPS.
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Affiliation(s)
- Di Niu
- Department of Urology, the First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, PR China; Institute of Urology, Anhui Medical University, Hefei, Anhui, PR China; Anhui Province Key Laboratory of Urological and Andrological Diseases Research and Medical Transformation, Anhui Medical University, Hefei, Anhui, PR China
| | - Shao-Yu Yue
- Department of Urology, the First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, PR China; Institute of Urology, Anhui Medical University, Hefei, Anhui, PR China; Anhui Province Key Laboratory of Urological and Andrological Diseases Research and Medical Transformation, Anhui Medical University, Hefei, Anhui, PR China
| | - Xu Wang
- Department of Urology, the First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, PR China; Institute of Urology, Anhui Medical University, Hefei, Anhui, PR China; Anhui Province Key Laboratory of Urological and Andrological Diseases Research and Medical Transformation, Anhui Medical University, Hefei, Anhui, PR China
| | - Wei-Yi Li
- Department of Urology, the First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, PR China; Institute of Urology, Anhui Medical University, Hefei, Anhui, PR China; Anhui Province Key Laboratory of Urological and Andrological Diseases Research and Medical Transformation, Anhui Medical University, Hefei, Anhui, PR China
| | - Li Zhang
- Department of Urology, the First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, PR China; Institute of Urology, Anhui Medical University, Hefei, Anhui, PR China; Anhui Province Key Laboratory of Urological and Andrological Diseases Research and Medical Transformation, Anhui Medical University, Hefei, Anhui, PR China.
| | - He-Xi Du
- Department of Urology, the First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, PR China; Institute of Urology, Anhui Medical University, Hefei, Anhui, PR China; Anhui Province Key Laboratory of Urological and Andrological Diseases Research and Medical Transformation, Anhui Medical University, Hefei, Anhui, PR China.
| | - Chao-Zhao Liang
- Department of Urology, the First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, PR China; Institute of Urology, Anhui Medical University, Hefei, Anhui, PR China; Anhui Province Key Laboratory of Urological and Andrological Diseases Research and Medical Transformation, Anhui Medical University, Hefei, Anhui, PR China.
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2
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Rackaityte E, Proekt I, Miller HS, Ramesh A, Brooks JF, Kung AF, Mandel-Brehm C, Yu D, Zamecnik CR, Bair R, Vazquez SE, Sunshine S, Abram CL, Lowell CA, Rizzuto G, Wilson MR, Zikherman J, Anderson MS, DeRisi JL. Validation of a murine proteome-wide phage display library for identification of autoantibody specificities. JCI Insight 2023; 8:e174976. [PMID: 37934865 PMCID: PMC10795829 DOI: 10.1172/jci.insight.174976] [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: 08/21/2023] [Accepted: 10/25/2023] [Indexed: 11/09/2023] Open
Abstract
Autoimmunity is characterized by loss of tolerance to tissue-specific as well as systemic antigens, resulting in complex autoantibody landscapes. Here, we introduce and extensively validate the performance characteristics of a murine proteome-wide library for phage display immunoprecipitation and sequencing (PhIP-seq) in profiling mouse autoantibodies. This library was validated using 7 genetically distinct mouse lines across a spectrum of autoreactivity. Mice deficient in antibody production (Rag2-/- and μMT) were used to model nonspecific peptide enrichments, while cross-reactivity was evaluated using anti-ovalbumin B cell receptor-restricted OB1 mice as a proof of principle. The PhIP-seq approach was then utilized to interrogate 3 distinct autoimmune disease models. First, serum from Lyn-/- IgD+/- mice with lupus-like disease was used to identify nuclear and apoptotic bleb reactivities. Second, serum from nonobese diabetic (NOD) mice, a polygenic model of pancreas-specific autoimmunity, was enriched in peptides derived from both insulin and predicted pancreatic proteins. Lastly, Aire-/- mouse sera were used to identify numerous autoantigens, many of which were also observed in previous studies of humans with autoimmune polyendocrinopathy syndrome type 1 carrying recessive mutations in AIRE. These experiments support the use of murine proteome-wide PhIP-seq for antigenic profiling and autoantibody discovery, which may be employed to study a range of immune perturbations in mouse models of autoimmunity profiling.
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Affiliation(s)
| | | | - Haleigh S. Miller
- Department of Biochemistry and Biophysics
- Biological and Medical Informatics Program
| | - Akshaya Ramesh
- Weill Institute for Neurosciences, Department of Neurology, School of Medicine
| | - Jeremy F. Brooks
- Division of Rheumatology, Rosalind Russell and Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, and
| | - Andrew F. Kung
- Department of Biochemistry and Biophysics
- Biological and Medical Informatics Program
| | | | - David Yu
- Diabetes Center, School of Medicine
| | - Colin R. Zamecnik
- Weill Institute for Neurosciences, Department of Neurology, School of Medicine
| | - Rebecca Bair
- Weill Institute for Neurosciences, Department of Neurology, School of Medicine
| | - Sara E. Vazquez
- Department of Biochemistry and Biophysics
- Diabetes Center, School of Medicine
| | | | - Clare L. Abram
- Department of Laboratory Medicine, UCSF, San Francisco, California, USA
| | | | - Gabrielle Rizzuto
- Human Oncology & Pathogenesis Program and Department of Pathology & Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Michael R. Wilson
- Weill Institute for Neurosciences, Department of Neurology, School of Medicine
| | - Julie Zikherman
- Division of Rheumatology, Rosalind Russell and Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, and
| | | | - Joseph L. DeRisi
- Department of Biochemistry and Biophysics
- Chan Zuckerberg Biohub, San Francisco, California, USA
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Fang Y, Jiang Y, Wei L, Ma Q, Ren Z, Yuan Q, Wei DQ. DeepProSite: structure-aware protein binding site prediction using ESMFold and pretrained language model. Bioinformatics 2023; 39:btad718. [PMID: 38015872 PMCID: PMC10723037 DOI: 10.1093/bioinformatics/btad718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 11/04/2023] [Accepted: 11/27/2023] [Indexed: 11/30/2023] Open
Abstract
MOTIVATION Identifying the functional sites of a protein, such as the binding sites of proteins, peptides, or other biological components, is crucial for understanding related biological processes and drug design. However, existing sequence-based methods have limited predictive accuracy, as they only consider sequence-adjacent contextual features and lack structural information. RESULTS In this study, DeepProSite is presented as a new framework for identifying protein binding site that utilizes protein structure and sequence information. DeepProSite first generates protein structures from ESMFold and sequence representations from pretrained language models. It then uses Graph Transformer and formulates binding site predictions as graph node classifications. In predicting protein-protein/peptide binding sites, DeepProSite outperforms state-of-the-art sequence- and structure-based methods on most metrics. Moreover, DeepProSite maintains its performance when predicting unbound structures, in contrast to competing structure-based prediction methods. DeepProSite is also extended to the prediction of binding sites for nucleic acids and other ligands, verifying its generalization capability. Finally, an online server for predicting multiple types of residue is established as the implementation of the proposed DeepProSite. AVAILABILITY AND IMPLEMENTATION The datasets and source codes can be accessed at https://github.com/WeiLab-Biology/DeepProSite. The proposed DeepProSite can be accessed at https://inner.wei-group.net/DeepProSite/.
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Affiliation(s)
- Yitian Fang
- State Key Laboratory of Microbial Metabolism, Shanghai-Islamabad-Belgrade Joint Innovation Center on Antibacterial Resistances, Joint International Research Laboratory of Metabolic & Developmental Sciences and School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200040, China
- Peng Cheng Laboratory, Shenzhen 518055, China
| | - Yi Jiang
- Department of Biomedical Informatics, College of Medicine, The Ohio State University, Columbus, OH 43210, USA
| | - Leyi Wei
- School of Software, Shandong University, Jinan, Shandong 250100, China
| | - Qin Ma
- Department of Biomedical Informatics, College of Medicine, The Ohio State University, Columbus, OH 43210, USA
| | | | - Qianmu Yuan
- School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou 510000, China
| | - Dong-Qing Wei
- State Key Laboratory of Microbial Metabolism, Shanghai-Islamabad-Belgrade Joint Innovation Center on Antibacterial Resistances, Joint International Research Laboratory of Metabolic & Developmental Sciences and School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200040, China
- Peng Cheng Laboratory, Shenzhen 518055, China
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He H, Luo H, Xu H, Qian B, Zou X, Zhang G, Zeng F, Zou J. Preclinical models and evaluation criteria of prostatitis. Front Immunol 2023; 14:1183895. [PMID: 37228599 PMCID: PMC10203503 DOI: 10.3389/fimmu.2023.1183895] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 04/24/2023] [Indexed: 05/27/2023] Open
Abstract
Prostatitis is a common urological condition that affects almost half of all men at some point in their life. The prostate gland has a dense nerve supply that contributes to the production of fluid to nourish sperm and the mechanism to switch between urination and ejaculation. Prostatitis can cause frequent urination, pelvic pain, and even infertility. Long-term prostatitis increases the risk of prostate cancer and benign prostate hyperplasia. Chronic non-bacterial prostatitis presents a complex pathogenesis, which has challenged medical research. Experimental studies of prostatitis require appropriate preclinical models. This review aimed to summarize and compare preclinical models of prostatitis based on their methods, success rate, evaluation, and range of application. The objective of this study is to provide a comprehensive understanding of prostatitis and advance basic research.
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Affiliation(s)
- Hailan He
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Hui Luo
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Hui Xu
- Department of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
- Institute of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Urology, Jiangxi Engineering Technology Research Center of Calculi Prevention, Ganzhou, Jiangxi, China
| | - Biao Qian
- Department of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
- Institute of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Urology, Jiangxi Engineering Technology Research Center of Calculi Prevention, Ganzhou, Jiangxi, China
| | - Xiaofeng Zou
- Department of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
- Institute of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Urology, Jiangxi Engineering Technology Research Center of Calculi Prevention, Ganzhou, Jiangxi, China
| | - Guoxi Zhang
- Department of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
- Institute of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Urology, Jiangxi Engineering Technology Research Center of Calculi Prevention, Ganzhou, Jiangxi, China
| | - Fei Zeng
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
| | - Junrong Zou
- Department of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
- Institute of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Urology, Jiangxi Engineering Technology Research Center of Calculi Prevention, Ganzhou, Jiangxi, China
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5
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Rackaityte E, Proekt I, Miller HS, Ramesh A, Brooks JF, Kung AF, Mandel-Brehm C, Yu D, Zamecnik C, Bair R, Vazquez SE, Sunshine S, Abram CL, Lowell CA, Rizzuto G, Wilson MR, Zikherman J, Anderson MS, DeRisi JL. Validation of a murine proteome-wide phage display library for the identification of autoantibody specificities. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.07.535899. [PMID: 37066405 PMCID: PMC10104109 DOI: 10.1101/2023.04.07.535899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/18/2023]
Abstract
Autoimmunity is characterized by loss of tolerance to tissue-specific as well as systemic antigens, resulting in complex autoantibody landscapes. Here, we introduce and extensively validate the performance characteristics of a murine proteome-wide library for phage display immunoprecipitation and sequencing (PhIP-seq), to profile mouse autoantibodies. This system and library were validated using seven genetic mouse models across a spectrum of autoreactivity. Mice deficient in antibody production (Rag2-/- and μMT) were used to model non-specific peptide enrichments, while cross-reactivity was evaluated using anti-ovalbumin B cell receptor (BCR)-restricted OB1 mice as a proof of principle. The PhIP-seq approach was then utilized to interrogate three distinct autoimmune disease models. First, serum from Lyn-/- IgD+/- mice with lupus-like disease was used to identify nuclear and apoptotic bleb reactivities, lending support to the hypothesis that apoptosis is a shared origin of these antigens. Second, serum from non-obese diabetic (NOD) mice, a polygenic model of pancreas-specific autoimmunity, enriched peptides derived from both insulin and predicted pancreatic proteins. Lastly, Aire-/- mouse sera were used to identify numerous auto-antigens, many of which were also observed in previous studies of humans with autoimmune polyendocrinopathy syndrome type 1 (APS1) carrying recessive mutations in AIRE. Among these were peptides derived from Perilipin-1, a validated autoimmune biomarker of generalized acquired lipodystrophy in humans. Autoreactivity to Perilipin-1 correlated with lymphocyte infiltration in adipose tissue and underscores the approach in revealing previously unknown specificities. These experiments support the use of murine proteome-wide PhIP-seq for antigenic profiling and autoantibody discovery, which may be employed to study a range of immune perturbations in mouse models of autoimmunity.
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Affiliation(s)
- Elze Rackaityte
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA USA
| | - Irina Proekt
- Diabetes Center, School of Medicine, University of California San Francisco, San Francisco, CA USA
| | - Haleigh S. Miller
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA USA
- Biological and Medical Informatics Program, University of California San Francisco, San Francisco, CA USA
| | - Akshaya Ramesh
- Weill Institute for Neurosciences, Department of Neurology, School of Medicine, University of California San Francisco, San Francisco, CA USA
| | - Jeremy F. Brooks
- Division of Rheumatology, Rosalind Russell and Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, University of California San Francisco, San Francisco, CA USA
| | - Andrew F. Kung
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA USA
- Biological and Medical Informatics Program, University of California San Francisco, San Francisco, CA USA
| | - Caleigh Mandel-Brehm
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA USA
| | - David Yu
- Diabetes Center, School of Medicine, University of California San Francisco, San Francisco, CA USA
| | - Colin Zamecnik
- Weill Institute for Neurosciences, Department of Neurology, School of Medicine, University of California San Francisco, San Francisco, CA USA
| | - Rebecca Bair
- Weill Institute for Neurosciences, Department of Neurology, School of Medicine, University of California San Francisco, San Francisco, CA USA
| | - Sara E. Vazquez
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA USA
- Diabetes Center, School of Medicine, University of California San Francisco, San Francisco, CA USA
| | - Sara Sunshine
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA USA
| | - Clare L. Abram
- Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Clifford A. Lowell
- Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Gabrielle Rizzuto
- Human Oncology & Pathogenesis Program and Department of Pathology & Laboratory Medicine, Memorial Sloan Kettering Cancer Center, NY, NY
| | - Michael R. Wilson
- Weill Institute for Neurosciences, Department of Neurology, School of Medicine, University of California San Francisco, San Francisco, CA USA
| | - Julie Zikherman
- Division of Rheumatology, Rosalind Russell and Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, University of California San Francisco, San Francisco, CA USA
| | - Mark S. Anderson
- Diabetes Center, School of Medicine, University of California San Francisco, San Francisco, CA USA
| | - Joseph L. DeRisi
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA USA
- Chan Zuckerberg Biohub, San Francisco, CA, USA
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6
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Hua X, Zhang J, Ge S, Liu H, Du H, Niu Q, Chen X, Yang C, Zhang L, Liang C. CXCR3 antagonist AMG487 ameliorates experimental autoimmune prostatitis by diminishing Th1 cell differentiation and inhibiting macrophage M1 phenotypic activation. Prostate 2022; 82:1223-1236. [PMID: 35700340 DOI: 10.1002/pros.24395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 04/16/2022] [Accepted: 05/16/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND Chronic prostatitis and chronic pelvic pain syndrome (CP/CPPS) is an inflammatory immune disease that is characterized by infiltrating inflammatory cells in the prostate and pelvic or by perineal pain. Receptor CXCR3modulates immune and inflammatory responses; however, the effects of CXCR3 antagonist AMG487 in the context of CP/CPPS are unknown. Therefore, we investigated the effect of AMG487 in experimental autoimmune prostatitis (EAP) mice and explored the potential functional mechanisms. METHODS The EAP model was induced by intradermally injecting a mixture of prostate antigens and complete Freund's adjuvant on Days 0 and 28. To evaluate the effect of AMG487 on EAP mice, treatment with AMG487 and vehicle solution was conducted for the indicated period. Then, procedures were performed, including behavioral test, to evaluate the pain response to stimulation before the mice were killed and a histological assessment to evaluate the inflammation after the mice were killed. Immunofluorescence, flow cytometry, and Western blot assay were used to analyze the functional phenotype and regulation mechanism of AMG487 on T helper type 1 (Th1) cells and macrophages. RESULTS We found high expression of CXCR3 in human benign prostate tissues with inflammation and EAP mice. The elevated CXCR3 in prostate tissues correlates with the severity of inflammation. CXCR3 antagonist AMG487 treatment ameliorated the inflammatory changes and the pelvic pain of EAP mice. AMG487 inhibits Th1 cell differentiation through the IL-12/STAT4pathway and inhibits pro-inflammatory M1 macrophages through the lipopolysaccharide/NF-κB p65signaling. AMG487 could inhibit the secretion of inflammatory mediators in EAP mice. CONCLUSION CXCR3 antagonist AMG487 could ameliorate the inflammatory changes and the pelvic pain of EAP mice by diminishing Th1 cell differentiation and inhibiting macrophage M1 phenotypic activation. Thus, the results imply that AMG487 has the potential as an effective therapeutic agent in the prevention and treatment of EAP.
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Affiliation(s)
- Xiaoliang Hua
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
- The Institute of Urology, Anhui Medical University, Hefei, China
| | - Jiong Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
- The Institute of Urology, Anhui Medical University, Hefei, China
| | - Shengdong Ge
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
- The Institute of Urology, Anhui Medical University, Hefei, China
| | - Haoran Liu
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
- The Institute of Urology, Anhui Medical University, Hefei, China
| | - Hexi Du
- The Institute of Urology, Anhui Medical University, Hefei, China
| | - Qingsong Niu
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- The Institute of Urology, Anhui Medical University, Hefei, China
| | - Xianguo Chen
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
- The Institute of Urology, Anhui Medical University, Hefei, China
| | - Cheng Yang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
- The Institute of Urology, Anhui Medical University, Hefei, China
| | - Li Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
- The Institute of Urology, Anhui Medical University, Hefei, China
| | - Chaozhao Liang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
- The Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Institute of Translational Medicine, Hefei, China
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7
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Bleeker J, Wang ZA. Applications of Vertebrate Models in Studying Prostatitis and Inflammation-Associated Prostatic Diseases. Front Mol Biosci 2022; 9:898871. [PMID: 35865005 PMCID: PMC9294738 DOI: 10.3389/fmolb.2022.898871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 06/17/2022] [Indexed: 12/05/2022] Open
Abstract
It has long been postulated that the inflammatory environment favors cell proliferation, and is conducive to diseases such as cancer. In the prostate gland, clinical data implicate important roles of prostatitis in the progression of both benign prostatic hyperplasia (BPH) and prostate cancer (PCa). However, their causal relationships have not been firmly established yet due to unresolved molecular and cellular mechanisms. By accurately mimicking human disease, vertebrate animals provide essential in vivo models to address this question. Here, we review the vertebrate prostatitis models that have been developed and discuss how they may reveal possible mechanisms by which prostate inflammation promotes BPH and PCa. Recent studies, particularly those involving genetically engineered mouse models (GEMMs), suggest that such mechanisms are multifaceted, which include epithelium barrier disruption, DNA damage and cell proliferation induced by paracrine signals, and expansion of potential cells of origin for cancer. Future research using rodent prostatitis models should aim to distinguish the etiologies of BPH and PCa, and facilitate the development of novel clinical approaches for prostatic disease prevention.
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8
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Chen J, Meng J, Li X, Li X, Liu Y, Jin C, Zhang L, Hao Z, Chen X, Zhang M, Liang C. HA/CD44 Regulates the T Helper 1 Cells Differentiation by Activating Annexin A1/Akt/mTOR Signaling to Drive the Pathogenesis of EAP. Front Immunol 2022; 13:875412. [PMID: 35693826 PMCID: PMC9178196 DOI: 10.3389/fimmu.2022.875412] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 04/21/2022] [Indexed: 11/13/2022] Open
Abstract
CD44 partcipates in multiple inflammatory reactions. Here, we aimed to investigate the role of CD44 and the ligand, hyaluronan (HA), on chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) pathogenesis. We found that CD44 was universally expressed in CD4+ lymphocytes in the peripheral blood of CP/CPPS patients. After silencing CD44 expression or delivering 4-methylumbelliferone (4-MU), the pain severity and prostatic inflammation were significantly relieved. In vitro assay found that HA/CD44 was able to regulate T helper 1 (Th1) cells differentiation, the deficiency of which diminished experimental autoimmune prostatitis (EAP) susceptibility. Bioinformatic analysis suggested that after HA or 4-MU treatment, mTOR signaling was significantly altered, and these results were confirmed by subsequent Western blotting assay. Besides, mass spectrometry and co-immunoprecipitation assays found that CD44 was able to interact with Annexin A1 (ANX A1), and this kind of interaction stabilized ANX A1 protein and maintained the activation of Akt/mTOR pathway. Meanwhile, HA-treatment-enhanced prostatic inflammation, Th1 cell differentiation, and Akt/mTOR pathway activation were reversed after silencing the expression of ANX A1 using shANX A1-lentivirus. The present study systematically investigates the functional role of HA/CD44 in CP/CPPS and identifies novel mechanisms for HA/CD44 promoting Th1 cell differentiation. Targeting the HA/CD44/ANX A1/Akt/mTOR signaling represents novel potential therapeutic strategies for patients with CP/CPPS.
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Affiliation(s)
- Jing Chen
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Jialin Meng
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Xiaoling Li
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Xiao Li
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Yi Liu
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Chen Jin
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Li Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Zongyao Hao
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Xianguo Chen
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
- *Correspondence: Xianguo Chen, ; Meng Zhang, ; Chaozhao Liang,
| | - Meng Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
- *Correspondence: Xianguo Chen, ; Meng Zhang, ; Chaozhao Liang,
| | - Chaozhao Liang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
- *Correspondence: Xianguo Chen, ; Meng Zhang, ; Chaozhao Liang,
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9
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Cyril AC, Jan RK, Radhakrishnan R. Pain in chronic prostatitis and the role of ion channels: a brief overview. Br J Pain 2022; 16:50-59. [PMID: 35111314 PMCID: PMC8801692 DOI: 10.1177/20494637211015265] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND Prostatitis is the third most common urologic condition affecting more than half the male population at some point in their lives. There are different categories of prostatitis, of which approximately 90% of cases can be classified under the National Institute of Health (NIH) type III category (chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS)) with no causative agents identified. CP/CPPS is associated with several symptoms, of which the most prominent being chronic pain. Despite its high incidence, pain management in patients with CP/CPPS has been poor, possibly due to the lack of understanding of aetiological factors and mechanisms underlying pain development. METHODS An extensive literature search of published articles on the molecular mechanisms of pain in CP/CPPS was conducted using PubMed and Google Scholar search engines (https://pubmed.ncbi.nlm.nih.gov and https://scholar.google.com). The terms used for the search were: prostatitis, pain mechanism in CP/CPPS, prostatitis pain models, acid-sensing ion channels (ASICs), transient receptor potential vanilloid type 1 (TRPVs), purinergic channels (P2X) in prostatitis pain mechanism and inflammatory mediators in CP/CPPS. The papers were identified based on the title and abstract, and after excluding the articles that did not emphasize the pain mechanism in CP/CPPS. Ninety-five articles (36 review and 59 original research papers) met our criteria and were included in the review. RESULTS A number of inflammatory mediator molecules and pain channels, including ASICs, transient receptor potential vanilloid channels (TRPVs) and P2Xs have been investigated for their role in prostatitis pain pathology using various animal models. CONCLUSION This review summarizes the pain mechanisms in CP/CPPS focusing on the inflammatory mediators, neurotransmitters, pain-transducing ion channels and small animal models developed for studying prostatitis.
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Affiliation(s)
| | | | - Rajan Radhakrishnan
- Rajan Radhakrishnan, College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Building 14, Dubai Healthcare City, P.O Box 505055, Dubai, UAE.
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10
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Hua X, Ge S, Zhang M, Mo F, Zhang L, Zhang J, Yang C, Tai S, Chen X, Zhang L, Liang C. Pathogenic Roles of CXCL10 in Experimental Autoimmune Prostatitis by Modulating Macrophage Chemotaxis and Cytokine Secretion. Front Immunol 2021; 12:706027. [PMID: 34659199 PMCID: PMC8511489 DOI: 10.3389/fimmu.2021.706027] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 09/02/2021] [Indexed: 12/30/2022] Open
Abstract
Chronic prostatitis and chronic pelvic pain syndrome (CP/CPPS) is an inflammatory immune disease characterized by intraprostatic leukocyte infiltration and pelvic or perineal pain. Macrophages play vital roles in the pathogenesis of CP/CPPS. However, the mechanisms controlling the activation and chemotaxis of macrophages in CP/CPPS remain unclear. This study aimed to investigate the roles of the CXCL10/CXCR3 pathway in the activation and chemotaxis of macrophages in CP/CPPS patients. The serums of CP/CPPS patients and healthy volunteers were collected and measured. Results showed that CXCL10 expression was significantly elevated and correlated with the severity of CP/CPPS patients. The experimental autoimmune prostatitis (EAP) model was generated, and adeno-associated virus and CXCR3 inhibitors were used to treat EAP mice. Immunofluorescence, flow cytometry, and Western blotting were used to analyze the functional phenotype and regulation mechanism of macrophages. Results showed that CXCL10 deficiency ameliorates EAP severity by inhibiting infiltration of macrophages to prostate. Moreover, CXCL10 could induce macrophage migrations and secretions of proinflammatory mediators via CXCR3, which consequently activated the downstream Erk1/2 and p38 MAPK signaling pathways. We also showed that prostatic stromal cell is a potential source of CXCL10. Our results indicated CXCL10 as an important mediator involved in inflammatory infiltration and pain symptoms of prostatitis by promoting the migration of macrophages and secretion of inflammatory mediators via CXCR3-mediated ERK and p38 MAPK activation.
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Affiliation(s)
- Xiaoliang Hua
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China.,The Institute of Urology, Anhui Medical University, Hefei, China
| | - Shengdong Ge
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China.,The Institute of Urology, Anhui Medical University, Hefei, China
| | - Meng Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China.,The Institute of Urology, Anhui Medical University, Hefei, China
| | - Fan Mo
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China.,The Institute of Urology, Anhui Medical University, Hefei, China
| | - Ligang Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China.,The Institute of Urology, Anhui Medical University, Hefei, China
| | - Jiong Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China.,The Institute of Urology, Anhui Medical University, Hefei, China
| | - Cheng Yang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China.,The Institute of Urology, Anhui Medical University, Hefei, China
| | - Sheng Tai
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China.,The Institute of Urology, Anhui Medical University, Hefei, China
| | - Xianguo Chen
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China.,The Institute of Urology, Anhui Medical University, Hefei, China
| | - Li Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China.,The Institute of Urology, Anhui Medical University, Hefei, China
| | - Chaozhao Liang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China.,The Institute of Urology, Anhui Medical University, Hefei, China.,Anhui Institute of Translational Medicine, Hefei, China
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11
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Chen J, Meng J, Jin C, Mo F, Ding Y, Gao X, Zhang L, Zhang M, Liang C. 4-Methylumbelliferone treatment and hyaluronan inhibition as a therapeutic strategy for chronic prostatitis. Prostate 2021; 81:1078-1090. [PMID: 34320251 DOI: 10.1002/pros.24205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 06/05/2021] [Accepted: 07/12/2021] [Indexed: 01/21/2023]
Abstract
BACKGROUND Hyaluronan (HA), an extracellular matrix component, accumulates in most chronic inflammatory tissues. Here, we studied the impact of HA on the pathogenesis of chronic prostatitis. MATERIALS AND METHODS First, we sorted demographic characteristics and peripheral blood serum samples from patients with chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) to assess the relationship between the levels of HA in peripheral blood serum and the severity of inflammation in patients. Second, we induced an experimental autoimmune prostatitis (EAP) mouse model and treated the mice with 4-methylumbelliferone (4-MU) (200 mg/kg/day). After the mice were sacrificed, RNA from Th1 cells of the mouse spleens was extracted for RNA sequencing. We used weighted gene co-expression network analysis (WGCNA) to identify co-expressed gene modules and hub-gene related to the pathogenesis of EAP. The expression of critical genes associated with the identified pathway was confirmed by using western blot analysis. RESULTS HA was significantly more highly expressed in CP/CPPS patients than in healthy volunteers and positively correlated with the severity of pain, urination symptoms, and quality of life. Besides, the protein expression of HA was significantly higher in prostate tissues derived from EAP models than in those derived from controls. 4-MU, an oral inhibitor of HA synthesis, relieved immunocyte infiltration to the prostate and significantly reduced the proportion of Th1 cells. Based on the WGCNA, we identified 18 co-expression modules and identified that the Grey60 and brown modules were positively associated with the EAP and negatively associated with the Control and 4-MU-treated groups. Pathway enrichment analyses and western blot assays proved that HA potentially activated the cell cycle pathway, increasing the proportion of Th1 cells promoting chronic prostatitis pathogenesis, while these processes were reversed by 4-MU treatment. CONCLUSIONS Our results suggest that HA is elevated in patients with CP/CPPS compared with healthy controls and that targeting HA through 4-MU suppresses the activity of the cell cycle-related pathway, potentially by decreasing the proportion of Th1 cells and relieving chronic prostatitis. Our findings might inspire the clinical treatment of chronic prostatitis.
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Affiliation(s)
- Jing Chen
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, and Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Jialin Meng
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, and Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Chen Jin
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, and Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Fan Mo
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, and Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Yang Ding
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, and Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Xiaomei Gao
- The Graduate School of Anhui Medical University, Hefei, Anhui, China
| | - Li Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, and Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Meng Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, and Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Chaozhao Liang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, and Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, Anhui, China
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12
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Feng B, Dong Z, Wang Y, Yan G, Yang E, Cheng H, Liang C, Hao Z, Zhang X, Song Z, Jiang Z, Chen M, Yue Z, Wang Z. Li-ESWT treatment reduces inflammation, oxidative stress, and pain via the PI3K/AKT/FOXO1 pathway in autoimmune prostatitis rat models. Andrology 2021; 9:1593-1602. [PMID: 33960707 DOI: 10.1111/andr.13027] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 04/12/2021] [Accepted: 05/02/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Due to limited data on the pathogenesis of chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) and the suboptimal therapeutic effect, the development of new and effective treatment modalities was needed urgently. Low-intensity extracorporeal shock wave therapy (Li-ESWT) has been reported for the treatment of CP/CPPS. However, the underlying mechanism remains to be elucidated. OBJECTIVE To interrogated the efficacy and the mechanism of Li-ESWT in the treatment of CP/CPPS. MATERIALS AND METHODS According to different treatments, RWPE-1 cells (human prostate epithelial cells) were randomly divided into three groups: control group, LPS(lipopolysaccharide) group, or Li-ESWT group (LPS induced RWPE-1 managed by Li-ESWT). Following the Li-ESWT treatment, the levels of oxidative stress was assayed. We then established a rat model of experimental autoimmune prostatitis (EAP) by injecting prostatic protein homogenate mixed with complete Freund's adjuvant. The Sprague-Dawley rats were randomly divided into the control group, EAP group, or Li-ESWT group. Von Frey Filament was used to quantify pelvic hyperalgesia in the rats. Prostates tissues from each group were collected for immunohistochemistry, oxidation stress, and western blot analysis. RESULTS Histological analysis showed reduced inflammation and expression of cytokines (TNF-α, IL-1β, IL-6, COX-2, SP) in prostate tissues from the Li-ESWT group compared with those from the EAP group (all P < 0.05). Similarly, there was reduced pelvic pain and allergic symptoms in the Li-ESWT group compared with the EAP group (all P < 0.05). Besides, Li-ESWT treatment could decrease oxidative stress in the prostate and in RWPE-1 cells, respectively (both P < 0.05). Moreover, the Li-ESWT up-regulated the expression of CAT through the inhibition of phosphorylation of AKT/FOXO1 signaling pathway. DISCUSSION AND CONCLUSIONS Li-ESWT may reduce inflammation, oxidative stress and pain in rats with autoimmunity-induced prostatitis via the PI3K/AKT/FOXO1 pathway. It implies that Li-ESWT can present a potential therapeutic option for the treatment of CP/CPPS.
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Affiliation(s)
- Bin Feng
- Institute of Urology, Lanzhou University Second Hospital, Key Laboratory of Urological Diseases, Gansu Province (Lanzhou University), Gansu Nephro-Urological Clinical Center, Lanzhou, China.,Department of Urology, Gansu Provincial Hospital, Lanzhou, China
| | - Zhilong Dong
- Institute of Urology, Lanzhou University Second Hospital, Key Laboratory of Urological Diseases, Gansu Province (Lanzhou University), Gansu Nephro-Urological Clinical Center, Lanzhou, China
| | - Yiran Wang
- Institute of Urology, Lanzhou University Second Hospital, Key Laboratory of Urological Diseases, Gansu Province (Lanzhou University), Gansu Nephro-Urological Clinical Center, Lanzhou, China
| | - Guanghui Yan
- The First Hospital of Lanzhou University, Lanzhou, China
| | - Enguang Yang
- Institute of Urology, Lanzhou University Second Hospital, Key Laboratory of Urological Diseases, Gansu Province (Lanzhou University), Gansu Nephro-Urological Clinical Center, Lanzhou, China
| | - Hui Cheng
- Institute of Urology, Lanzhou University Second Hospital, Key Laboratory of Urological Diseases, Gansu Province (Lanzhou University), Gansu Nephro-Urological Clinical Center, Lanzhou, China
| | - Chaozhao Liang
- Department of Urology, First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Zongyao Hao
- Department of Urology, First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Xiansheng Zhang
- Department of Urology, First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Zhengyao Song
- Department of Urology, First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Zhancheng Jiang
- Research and Develop Department, Wikkon Precision Technologies Ltd, Shenzhen, China
| | - Ming Chen
- Research and Develop Department, Wikkon Precision Technologies Ltd, Shenzhen, China
| | - Zhongjin Yue
- Institute of Urology, Lanzhou University Second Hospital, Key Laboratory of Urological Diseases, Gansu Province (Lanzhou University), Gansu Nephro-Urological Clinical Center, Lanzhou, China
| | - Zhiping Wang
- Institute of Urology, Lanzhou University Second Hospital, Key Laboratory of Urological Diseases, Gansu Province (Lanzhou University), Gansu Nephro-Urological Clinical Center, Lanzhou, China
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13
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Liu Y, Wazir J, Tang M, Ullah R, Chen Y, Chen T, Zhou X. Experimental autoimmune prostatitis: different antigens induction and antigen-specific therapy. Int Urol Nephrol 2020; 53:607-618. [PMID: 33200334 DOI: 10.1007/s11255-020-02703-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 10/29/2020] [Indexed: 01/31/2023]
Abstract
PURPOSE Chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) has uncertain etiology and lacks effective treatment. Autoimmunity is an important pathogeny, and experimental autoimmune prostatitis (EAP) models have long been used for studying CP/CPPS. This review presents the detailed current knowledge of EAP models based on evaluation criteria aspects to provide a tool for model selection in pathogenesis studies and therapeutic drug screening. METHODS We extensively searched the published literature on CP/CPPS and different antigen-induced EAP models focusing on the histopathology, clinical-related phenotypes, and biochemical indicators. We also cover the changes in the prostate function and other organs in EAP. Finally, we try to get some insights about antigen-based therapeutic approaches for CP/CPPS. RESULTS Several inciting autoantigens were reported in EAP, including male accessory gland extracts, prostate extracts (PE), prostatic steroid-binding protein, prostatic spermine-binding protein (p25), prostatic acid phosphatase, seminal vesicle secretory protein 2, and T2 peptide. All of these models mimicked histological prostatitis, however only p25- and T2-induced models developed both pelvic pain and voiding behaviors. PE immunization is the most widely used method. Diminished fertility and mental health disorders can be found in PE model. Oral and intravenous T2 peptide have been studied for antigen-specific therapy and achieved preliminary progress in EAP models. CONCLUSIONS PE-induced model is the most commonly used, while T2- or p25-model could serve as a promising CP/CPPS model. Antigen-specific therapy in CP/CPPS deserves further study.
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Affiliation(s)
- Yuqian Liu
- Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, 211198, Jiangsu, People's Republic of China
| | - Junaid Wazir
- Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, 211198, Jiangsu, People's Republic of China
| | - Meng Tang
- Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, 211198, Jiangsu, People's Republic of China
| | - Rahat Ullah
- Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, 211198, Jiangsu, People's Republic of China
| | - Yueting Chen
- Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, 211198, Jiangsu, People's Republic of China
| | - Tingting Chen
- Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, 211198, Jiangsu, People's Republic of China
| | - Xiaohui Zhou
- Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, 211198, Jiangsu, People's Republic of China. .,Department of Surgery, Nanjing Shuiximen Hospital, Nanjing, 210017, Jiangsu, People's Republic of China.
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14
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Zhang M, Liu Y, Chen J, Chen L, Meng J, Yang C, Yin S, Zhang X, Zhang L, Hao Z, Chen X, Liang C. Single-cell multi-omics analysis presents the landscape of peripheral blood T-cell subsets in human chronic prostatitis/chronic pelvic pain syndrome. J Cell Mol Med 2020; 24:14099-14109. [PMID: 33124198 PMCID: PMC7754003 DOI: 10.1111/jcmm.16021] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 09/29/2020] [Indexed: 12/12/2022] Open
Abstract
Cumulative evidence suggests that abnormal differentiation of T lymphocytes influences the pathogenesis of chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS). Thus, understanding the immune activation landscape of CP/CPPS would be helpful for improving therapeutic strategies. Here, we utilized BD™ AbSeq to digitally quantify both the protein and mRNA expression levels in single peripheral blood T cells from two CP/CPPS patients and two healthy controls. We utilized an integrated strategy based on canonical correlation analysis of 10 000+ AbSeq profiles and identified fifteen unique T‐cell subpopulations. Notably, we found that the proportion of cluster 0 in the CP/CPPS group (30.35%) was significantly increased compared with the proportion in the healthy control group (9.38%); cluster 0 was defined as effector T cells based on differentially expressed genes/proteins. Flow cytometry assays confirmed that the proportions of effector T‐cell subpopulations, particularly central memory T cells, T helper (Th)1, Th17 and Th22 cells, in the peripheral blood mononuclear cell populations of patients with CP/CPPS were significantly increased compared with those of healthy controls (P < 0.05), further confirming that aberration of effector T cells possibly leads to or intensifies CP/CPPS. Our results provide novel insights into the underlying mechanisms of CP/CPPS, which will be beneficial for its treatment.
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Affiliation(s)
- Meng Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Institute of Urology, Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China.,Institute of Urology of Shenzhen University, The Third Affiliated Hospital of Shenzhen University, Shenzhen Luohu Hospital Group, Shenzhen, China
| | - Yi Liu
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Institute of Urology, Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Junyi Chen
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Institute of Urology, Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Lei Chen
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Institute of Urology, Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Jialin Meng
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Institute of Urology, Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Cheng Yang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Institute of Urology, Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Shuiping Yin
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Institute of Urology, Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Xiansheng Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Institute of Urology, Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Li Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Institute of Urology, Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Zongyao Hao
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Institute of Urology, Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Xianguo Chen
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Institute of Urology, Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Chaozhao Liang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Institute of Urology, Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
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15
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Zhan CS, Chen J, Chen J, Zhang LG, Liu Y, Du HX, Wang H, Zheng MJ, Yu ZQ, Chen XG, Zhang L, Liang CZ. CaMK4-dependent phosphorylation of Akt/mTOR underlies Th17 excessive activation in experimental autoimmune prostatitis. FASEB J 2020; 34:14006-14023. [PMID: 32862457 DOI: 10.1096/fj.201902910rrr] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 07/27/2020] [Accepted: 08/12/2020] [Indexed: 11/11/2022]
Abstract
Chronic prostatitis and chronic pelvic pain syndrome (CP/CPPS) is a complicated syndrome characterized by genitourinary pain in the absence of bacterial infection. Th17 cell-driven autoimmunity has been proposed as a cause of CP/CPPS. However, the factors that promote Th17-driven autoimmunity in experimental autoimmune prostatitis (EAP) and the molecular mechanisms are still largely unknown. Here, we showed that Th17 cells were excessively activated, and blockade of IL-17A could effectively ameliorate various symptoms in EAP. Furthermore, we revealed that calcium/calmodulin-dependent kinase Ⅳ (CaMK4), especially Thr196 p-CaMK4 was increased in the Th17 cells of the EAP group, which were activated by intracellular cytosolic Ca2+ . Pharmacologic and genetic inhibition of CaMK4 decreased the proportion of Th17 cells, and the protein and mRNA level of IL-17A, IL-22, and RORγt. The phosphorylation of CaMK4 was dependent on the increase in intracellular cytosolic Ca2+ concentration in Th17 cells. A mechanistic study demonstrated that inhibition of CaMK4 reduced IL-17A production by decreasing the phosphorylation of Akt-mTOR, which was well accepted to positively regulate Th17 differentiation. Collectively, our results demonstrated that Ca2+ -CaMK4-Akt/mTOR-IL-17A axis inhibition may serve as a promising therapeutic strategy for CP/CPPS.
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Affiliation(s)
- Chang-Sheng Zhan
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Jia Chen
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
| | - Jing Chen
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
| | - Li-Gang Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
| | - Yi Liu
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - He-Xi Du
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
| | - Hui Wang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
| | - Mei-Juan Zheng
- Department of Clinical Laboratory, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Zi-Qiang Yu
- Department of Urology, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
| | - Xian-Guo Chen
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Li Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Chao-Zhao Liang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
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16
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Chen Y, Guo KM, Nagy T, Guo TL. Chronic oral exposure to glycated whey proteins increases survival of aged male NOD mice with autoimmune prostatitis by regulating the gut microbiome and anti-inflammatory responses. Food Funct 2020; 11:153-162. [PMID: 31829366 PMCID: PMC6992484 DOI: 10.1039/c9fo01740b] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Glycated whey proteins have been shown to be protective against type 1 diabetes in our previous studies, suggesting their potential application as medical food. To determine if the protection could be extended to other autoimmune diseases, aged male non-obese diabetic (NOD) mice that develop a wide spectrum of autoimmune pathologies, including spontaneous autoimmune prostatitis, were used. After a 6-month oral exposure to whey protein-derived early glycation products (EGPs), EGP-treated NOD mice had an increased survival rate, decreased macrophage infiltration in the anterior lobe and decreased inflammation in the prostate when compared to the mice that received non-reacted controls. The systemic immunity was regulated towards anti-inflammation, evidenced by an increase in serum IL-10 level and decreases in total splenocytes, splenic M1 macrophages, CD4+ T cells, CD8+ T cells and B cells. Consistent with an overall anti-inflammatory status, the gut microbiome was altered in abundance but not diversity, with increased Allobaculum, Anaerostipes, Bacteroides, Parabacteroides and Prevotella and decreased Adlercreutzia and Roseburia at the genus level. Moreover, increased Bacteroides acidifaciens correlated with most of the immune parameters measured. Collectively, chronic oral exposure to EGPs produced an anti-inflammatory effect in aged male NOD mice, which might contribute to the protective effects against spontaneous autoimmune prostatitis and/or other organ specific autoimmune diseases.
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Affiliation(s)
- Yingjia Chen
- Department of Veterinary Biosciences and Diagnostic Imaging, College of Veterinary Medicine, University of Georgia, Athens, GA, USA.
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Liu Y, Mikrani R, Xie D, Wazir J, Shrestha S, Ullah R, Baig MMFA, Ahmed A, Srivastava PK, Thapa KB, Zhou X. Chronic prostatitis/chronic pelvic pain syndrome and prostate cancer: study of immune cells and cytokines. Fundam Clin Pharmacol 2019; 34:160-172. [DOI: 10.1111/fcp.12517] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Revised: 09/30/2019] [Accepted: 10/22/2019] [Indexed: 12/24/2022]
Affiliation(s)
- Yuqian Liu
- Department of Clinical Pharmacy School of Basic Medicine and Clinical Pharmacy China Pharmaceutical University Nanjing Jiangsu 211198 China
| | - Reyaj Mikrani
- Department of Clinical Pharmacy School of Basic Medicine and Clinical Pharmacy China Pharmaceutical University Nanjing Jiangsu 211198 China
| | - Dianyou Xie
- Department of Clinical Pharmacy School of Basic Medicine and Clinical Pharmacy China Pharmaceutical University Nanjing Jiangsu 211198 China
| | - Junaid Wazir
- Department of Clinical Pharmacy School of Basic Medicine and Clinical Pharmacy China Pharmaceutical University Nanjing Jiangsu 211198 China
| | - Sajan Shrestha
- Department of Clinical Pharmacy School of Basic Medicine and Clinical Pharmacy China Pharmaceutical University Nanjing Jiangsu 211198 China
| | - Rahat Ullah
- Department of Clinical Pharmacy School of Basic Medicine and Clinical Pharmacy China Pharmaceutical University Nanjing Jiangsu 211198 China
| | - Mirza Muhammad Faran Ashraf Baig
- State Key Laboratory of Analytical Chemistry for Life Sciences School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Abrar Ahmed
- School of Pharmacy Shanghai Jiao Tong University Shanghai 200240 China
| | | | - Kedar Bahadur Thapa
- Institute of Advanced Materials Nanjing Tech University Nanjing 211816 China
| | - Xiaohui Zhou
- Department of Clinical Pharmacy School of Basic Medicine and Clinical Pharmacy China Pharmaceutical University Nanjing Jiangsu 211198 China
- Department of Surgery Zhongda Hospital Affiliated to Southeast University Nanjing Jiangsu 210017 China
- Department of Surgery Nanjing Shuiximen Hospital Nanjing Jiangsu 210017 China
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18
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Search for Novel Diagnostic Biomarkers of Prostate Inflammation-Related Disorders: Role of Transglutaminase Isoforms as Potential Candidates. Mediators Inflamm 2019; 2019:7894017. [PMID: 31360119 PMCID: PMC6652054 DOI: 10.1155/2019/7894017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 06/13/2019] [Indexed: 12/26/2022] Open
Abstract
Investigations on prostate inflammation-related disorders, including acute and chronic prostatitis, chronic pelvic pain syndrome, benign prostate hyperplasia (BPH), and prostate cancer (PCa), are still ongoing to find new, accurate, and noninvasive biomarkers for a differential diagnosis of those pathological conditions sharing some common macroscopic features. Moreover, an ideal biomarker should be useful for risk assessment of prostate inflammation progression to more severe disorders, like BPH or PCa, as well as for monitoring of treatment response and prognosis establishment in carcinoma cases. Recent literature evidence highlighted that changes in the expression of transglutaminases, enzymes that catalyze transamidation reactions leading to posttranslational modifications of soluble proteins, occur in prostate inflammation-related disorders. This review focuses on the role specifically played by transglutaminases 4 (TG4) and 2 (TG2) and suggests that both isoenzymes hold a potential to be included in the list of candidates as novel diagnostic biomarkers for the above-cited prostate pathological conditions.
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Appiya Santharam M, Khan FU, Naveed M, Ali U, Ahsan MZ, Khongorzul P, Shoaib RM, Ihsan AU. Interventions to chronic prostatitis/Chronic pelvic pain syndrome treatment. Where are we standing and what's next? Eur J Pharmacol 2019; 857:172429. [PMID: 31170381 DOI: 10.1016/j.ejphar.2019.172429] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 05/29/2019] [Accepted: 05/29/2019] [Indexed: 12/29/2022]
Abstract
Chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) is a frustrating syndrome. The pathogenesis and state of the art treatment of CP/CPPS are not known. A wide variety of therapies including anti-inflammatories, antibiotics, alpha-blockers, neuropathic pain modulators, and 5α-reductase inhibitors are in practice. These treatment strategies focus on alleviating symptoms in specific domains without treating root-cause and therapeutic outcome is far from satisfactory. We review the literature on current pharmacological treatments for CP/CPPS in detail and suggest future perspectives to modify the treatment strategies. We suggest that introducing novel treatment strategies such as gene editing, and Tregs expressing chimeric receptors may improve the treatment outcomes by inducing immune tolerance and controlling expression of pro-inflammatory cytokines.
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Affiliation(s)
- Madanraj Appiya Santharam
- Department of Infection, Immunity and Inflammation, University of Leicester, Leicester LE1 9HN, United Kingdom
| | - Farhan Ullah Khan
- Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Jiangsu Province, Nanjing, 211198, PR China; Shanghai Jiao Tong University, School of Pharmacy, 800 Dongchuan Road, Shanghai, 200240, China
| | - Muhammad Naveed
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Jiangsu Province, Nanjing, 211166, PR China
| | - Usman Ali
- Shanghai Jiao Tong University, School of Pharmacy, 800 Dongchuan Road, Shanghai, 200240, China
| | - Muhammad Zaeem Ahsan
- Shanghai Jiao Tong University, School of Pharmacy, 800 Dongchuan Road, Shanghai, 200240, China
| | - Puregmaa Khongorzul
- State Key Laboratory of Natural Medicines, School of Life Science & Technology, China Pharmaceutical University, Nanjing, China
| | - Rana Muhammad Shoaib
- Shanghai Jiao Tong University, School of Pharmacy, 800 Dongchuan Road, Shanghai, 200240, China
| | - Awais Ullah Ihsan
- Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Jiangsu Province, Nanjing, 211198, PR China.
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In Silico Peptide Ligation: Iterative Residue Docking and Linking as a New Approach to Predict Protein-Peptide Interactions. Molecules 2019; 24:molecules24071351. [PMID: 30959812 PMCID: PMC6480567 DOI: 10.3390/molecules24071351] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Revised: 04/02/2019] [Accepted: 04/03/2019] [Indexed: 11/16/2022] Open
Abstract
Peptide–protein interactions are corner-stones of living functions involved in essential mechanisms, such as cell signaling. Given the difficulty of obtaining direct experimental structural biology data, prediction of those interactions is of crucial interest for the rational development of new drugs, notably to fight diseases, such as cancer or Alzheimer’s disease. Because of the high flexibility of natural unconstrained linear peptides, prediction of their binding mode in a protein cavity remains challenging. Several theoretical approaches have been developed in the last decade to address this issue. Nevertheless, improvements are needed, such as the conformation prediction of peptide side-chains, which are dependent on peptide length and flexibility. Here, we present a novel in silico method, Iterative Residue Docking and Linking (IRDL), to efficiently predict peptide–protein interactions. In order to reduce the conformational space, this innovative method splits peptides into several short segments. Then, it uses the performance of intramolecular covalent docking to rebuild, sequentially, the complete peptide in the active site of its protein target. Once the peptide is constructed, a rescoring step is applied in order to correctly rank all IRDL solutions. Applied on a set of 11 crystallized peptide–protein complexes, the IRDL method shows promising results, since it is able to retrieve experimental binding conformations with a Root Mean Square Deviation (RMSD) below 2 Å in the top five ranked solutions. For some complexes, IRDL method outperforms two other docking protocols evaluated in this study. Hence, IRDL is a new tool that could be used in drug design projects to predict peptide–protein interactions.
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Yang F, Meng L, Han P, Chen D, Wang M, Jiang Y, Wu Y, Wu Y, Xing N. New therapy with XLQ
®
to suppress chronic prostatitis through its anti‐inflammatory and antioxidative activities. J Cell Physiol 2019; 234:17570-17577. [PMID: 30790289 DOI: 10.1002/jcp.28380] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 01/26/2019] [Accepted: 01/30/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Feiya Yang
- Department of Urology National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing P. R. China
| | - Lingquan Meng
- Department of Urology Qianfoshan Hospital Shandong University Jinan P. R. China
- Department of Urology Beijing Chaoyang Hospital Capital Medical University Beijing P. R. China
| | - Panpan Han
- Department of Hematology Qilu Hospital Shandong University Jinan P. R. China
| | - Dexi Chen
- Department of Hepatology, Beijing You'an Hospital Capital Medical University Beijing P. R. China
- Department of Hepatology, Beijing Institute of Hepatology Beijing P. R. China
| | - Mingshuai Wang
- Department of Urology Beijing Chaoyang Hospital Capital Medical University Beijing P. R. China
| | - Yongguang Jiang
- Department of Urology Beijing Anzhen Hospital Capital Medical University Beijing P. R. China
| | - Yanqiao Wu
- National Key Laboratory of Collateral Disease Research and Innovative Chinese Medicine Shijiazhuang Yiling Pharmaceutical Co., Ltd Shijiazhuang P. R. China
| | - Yiling Wu
- National Key Laboratory of Collateral Disease Research and Innovative Chinese Medicine Shijiazhuang Yiling Pharmaceutical Co., Ltd Shijiazhuang P. R. China
| | - Nianzeng Xing
- Department of Urology National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing P. R. China
- Department of Urology Beijing Chaoyang Hospital Capital Medical University Beijing P. R. China
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22
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Cheng Y, Cao Y, Ihsan AU, Khan FU, Li X, Xie D, Cui X, Wang W, Liu Z, Li C, Ahmad KA, Sembatya KR, Mikrani R, Zhou X. Novel Treatment of Experimental Autoimmune Prostatitis by Nanoparticle-Conjugated Autoantigen Peptide T2. Inflammation 2019; 42:1071-1081. [DOI: 10.1007/s10753-019-00968-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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23
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Wang W, Naveed M, Baig MMFA, Abbas M, Xiaohui Z. Experimental rodent models of chronic prostatitis and evaluation criteria. Biomed Pharmacother 2018; 108:1894-1901. [DOI: 10.1016/j.biopha.2018.10.010] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Revised: 10/02/2018] [Accepted: 10/03/2018] [Indexed: 12/12/2022] Open
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Kurita M, Yamaguchi H, Okamoto K, Kotera T, Oka M. Chronic pelvic pain and prostate inflammation in rat experimental autoimmune prostatitis: Effect of a single treatment with phosphodiesterase 5 inhibitors on chronic pelvic pain. Prostate 2018; 78:1157-1165. [PMID: 30009466 DOI: 10.1002/pros.23690] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Accepted: 06/26/2018] [Indexed: 12/30/2022]
Abstract
BACKGROUND Experimental autoimmune prostatitis (EAP) is most often used as a nonbacterial model of chronic prostatitis/chronic pelvic pain. We investigated the development of chronic pelvic pain and inflammatory changes in rat EAP and examined the effect of a single treatment with phosphodiesterase 5 (PDE5) inhibitors on the chronic pelvic pain. METHODS EAP was induced in rats by intradermal injection of rat prostate antigen and complete Freund's adjuvant on days 0 and 28. On day 42, after antigen injection, prostatic inflammatory changes, including the mRNA and protein levels of cytokines/chemokines, were measured and histological analysis of the prostate was performed. Pelvic pain was measured by applying von Frey filaments to the lower abdomen. To confirm that this model is appropriate for evaluating pelvic pain, we tested two drugs, celecoxib and pregabalin, which are clinically used for the treatment of prostatitis-related pain. Subsequently, we examined the effects of single treatments with three phosphodiesterase 5 inhibitors, including tadalafil, on pelvic pain in this model. RESULTS On day 42, after antigen injection, the mRNA levels of 44 of 84 kinds of cytokines/chemokines and their receptors increased significantly in EAP rats, as did the protein levels of seven of 23 kinds of cytokines/chemokines. Histological analysis revealed inflammation characterized by neutrophils and/or mononuclear cells in the glandular and stromal tissue of the ventral prostate from rats in the EAP group. Some animals in this group showed fibrosis and hemorrhage in the stromal tissue. Pelvic pain had developed in EAP rats, which was attenuated by a single treatment with celecoxib or pregabalin, suggesting that EAP is an appropriate model for prostatitis-related pain. A single treatment with any of the three PDE5 inhibitors tested attenuated the chronic pelvic pain. CONCLUSIONS Prostatitis leads to inflammatory changes in the prostate, which may contribute to the development and maintenance of chronic pelvic pain. PDE5 inhibitors, including tadalafil, may have the ability to block chronic pelvic pain.
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Affiliation(s)
- Maki Kurita
- Research Laboratories, Nippon Shinyaku Co., Ltd., Minami-ku, Kyoto, Japan
| | - Hiroshi Yamaguchi
- Research Laboratories, Nippon Shinyaku Co., Ltd., Minami-ku, Kyoto, Japan
| | - Ken Okamoto
- Research Laboratories, Nippon Shinyaku Co., Ltd., Minami-ku, Kyoto, Japan
| | - Takashi Kotera
- Research Laboratories, Nippon Shinyaku Co., Ltd., Minami-ku, Kyoto, Japan
| | - Michiko Oka
- Research Laboratories, Nippon Shinyaku Co., Ltd., Minami-ku, Kyoto, Japan
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Classification of prostate cancer using a protease activity nanosensor library. Proc Natl Acad Sci U S A 2018; 115:8954-8959. [PMID: 30126988 DOI: 10.1073/pnas.1805337115] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Improved biomarkers are needed for prostate cancer, as the current gold standards have poor predictive value. Tests for circulating prostate-specific antigen (PSA) levels are susceptible to various noncancer comorbidities in the prostate and do not provide prognostic information, whereas physical biopsies are invasive, must be performed repeatedly, and only sample a fraction of the prostate. Injectable biosensors may provide a new paradigm for prostate cancer biomarkers by querying the status of the prostate via a noninvasive readout. Proteases are an important class of enzymes that play a role in every hallmark of cancer; their activities could be leveraged as biomarkers. We identified a panel of prostate cancer proteases through transcriptomic and proteomic analysis. Using this panel, we developed a nanosensor library that measures protease activity in vitro using fluorescence and in vivo using urinary readouts. In xenograft mouse models, we applied this nanosensor library to classify aggressive prostate cancer and to select predictive substrates. Last, we coformulated a subset of nanosensors with integrin-targeting ligands to increase sensitivity. These targeted nanosensors robustly classified prostate cancer aggressiveness and outperformed PSA. This activity-based nanosensor library could be useful throughout clinical management of prostate cancer, with both diagnostic and prognostic utility.
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26
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Meng LQ, Yang FY, Wang MS, Shi BK, Chen DX, Chen D, Zhou Q, He QB, Ma LX, Cheng WL, Xing NZ. Quercetin protects against chronic prostatitis in rat model through NF-κB and MAPK signaling pathways. Prostate 2018; 78:790-800. [PMID: 29654614 DOI: 10.1002/pros.23536] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 03/27/2018] [Indexed: 12/31/2022]
Abstract
BACKGROUND Chronic Prostatitis/Chronic Pelvic Pain Syndrome (CP/CPPS) is a common disease of urology, of which the pathogenesis and therapy remain to be further elucidated. Quercetin has been reported to improve the symptoms of CP/CPPS patients. We aimed to verify the therapeutic effect of quercetin on CP/CPPS and identify the mechanism responsible for it. METHODS A novel CP/CPPS model induced with Complete Freund Adjuvant in Sprague Dawley rats was established and the prostates and blood specimens were harvested for further measurement after oral administration of quercetin for 4 weeks. RESULTS Increased prostate index and infiltration of lymphocytes, up-regulated expression of IL-1β, IL-2, IL-6, IL-17A, MCP1, and TNFα, decreased T-SOD, CAT, GSH-PX, and increased MDA, enhanced phosphorylation of NF-κB, P38, ERK1/2, and SAPK/JNK were detected in CP/CPPS rat model. Quercetin was identified to ameliorate the histo-pathologic changes, decrease the expression of pro-inflammatory cytokines IL-1β, IL-2, IL-6, IL-17A, MCP1, and TNFα, improve anti-oxidant capacity, and suppress the phosphorylation of NF-κB and MAPKs. CONCLUSIONS Quercetin has specific protective effect on CP/CPPS, which is mediated by anti-inflammation, anti-oxidation, and at least partly through NF-κB and MAPK signaling pathways.
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Affiliation(s)
- Ling-Quan Meng
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, P.R. China
| | - Fei-Ya Yang
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, P.R. China
| | - Ming-Shuai Wang
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, P.R. China
| | - Ben-Kang Shi
- Department of Urology, Qilu Hospital, Shandong University, Jinan, P.R. China
| | - De-Xi Chen
- Beijing You'an Hospital, Capital Medical University, Beijing, P.R. China
- Beijing Institute of Hepatology, Beijing, P.R. China
| | - Dong Chen
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, P.R. China
| | - Qiang Zhou
- Department of Urology, Zhongnan Hospital, Wuhan University, Wuhan, P.R. China
| | - Qing-Bao He
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, P.R. China
| | - Lin-Xiang Ma
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, P.R. China
| | - Wen-Long Cheng
- Department of Urology, Beijing Ditan Hospital, Capital Medical University, Beijing, P.R. China
| | - Nian-Zeng Xing
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, P.R. China
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Lu JC, Shen JM, Hu XC, Peng LP, Hong ZW, Yao B. Identification and preliminary study of immunogens involved in autoimmune prostatitis in human males. Prostate 2018; 78:1092-1102. [PMID: 29947032 DOI: 10.1002/pros.23684] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Accepted: 06/14/2018] [Indexed: 12/22/2022]
Abstract
BACKGROUND Experimental models have confirmed that autoimmunity is an important factor in the onset of chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS); however, there is no conclusive evidence on whether autoimmune prostatitis exists in human males. METHODS Rabbits were immunized with either human prostate tissue homogenates or normal saline and the antiserum was collected. Two-dimensional electrophoresis (2-DE) was performed on the homogenates and Western blotting was conducted on the sera. The identified human prostate tissue immunodominant antigens (HPTIAs) were detected by mass spectrometry. The serum immunoglobulin (Ig)G from the immunized rabbits was purified with protein A-agarose, and the purified IgG was linked with Sepharose to purify HPTIAs by affinity chromatography. Non-obese diabetic (NOD) mice were immunized with the purified HPTIAs, and the levels of serum antibodies, INF-γ, and histopathological changes in their prostate tissues were detected. The purified HPTIAs were coated into polystyrene pores and serum autoantibodies in CP/CPPS patients were detected by enzyme-linked immunosorbent assay (ELISA). Meanwhile, serum interleukin 2 (IL-2), interferon gamma (IFNγ), and tumor necrosis factor alpha (TNFα) levels in CP/CPPS patients were also determined by ELISA. RESULTS Sixteen HPTIAs were identified. Among them, three types were reported to be associated with prostatic diseases. Prostatitis was induced in mice immunized with the 16-HPTIA complex, with positive serum autoantibody and increased prostatic IFN-γ levels. The positive rate of serum autoantibodies against HPTIAs was significantly higher in CP/CPPS patients (23.1%, 18/78) than in the control (2.7%, 2/75). But there was no significant difference in serum TNFα, IFNγ, and IL-2 levels between the CPPS patients with positive and negative autoantibodies against HPTIAs. CONCLUSIONS Autoantibodies against HPTIAs exist in part in CP/CPPS patients, which implies that autoimmunity and the 16 HPTIAs are important factors in the onset of CP/CPPS. The detection of serum autoantibodies could be applied in clinical diagnoses of autoimmune prostatitis; treatment protocols might change. Additional studies are needed to determine which of the 16 HPTIAs is the most important.
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Affiliation(s)
- Jin-Chun Lu
- The Reproductive Medical Center, Nanjing Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu, China
- Department of Laboratory Science, Nanjing Hospital, Jiangsu Corps, The Armed Police Force, PLA, Nanjing, Jiangsu, China
| | - Jia-Ming Shen
- The Reproductive Medical Center, Nanjing Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu, China
| | - Xue-Chun Hu
- The Reproductive Medical Center, Nanjing Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu, China
| | - Long-Ping Peng
- The Reproductive Medical Center, Nanjing Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu, China
| | - Zhi-Wei Hong
- The Reproductive Medical Center, Nanjing Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu, China
| | - Bing Yao
- The Reproductive Medical Center, Nanjing Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu, China
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New therapy with ASC-J9® to suppress the prostatitis via altering the cytokine CCL2 signals. Oncotarget 2018; 7:66769-66775. [PMID: 27564257 PMCID: PMC5341836 DOI: 10.18632/oncotarget.11484] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Accepted: 07/19/2016] [Indexed: 01/03/2023] Open
Abstract
Prostatitis is a common disease contributing to 8% of all urologist visits. Yet the etiology and effective treatment remain to be further elucidated. Using a non-obese diabetes mouse model that can be induced by autoimmune response for the spontaneous development of prostatitis, we found that injection of the ASC-J9® at 75 mg/Kg body weight/48 hours led to significantly suppressed prostatitis that was accompanied with reduction of lymphocyte infiltration with reduced CD4+ T cells in prostate. In vitro studies with a co-culture system also confirmed that ASC-J9® treatment could suppress the CD4+ T cell migration to prostate stromal cells. Mechanisms dissection indicated that ASC-J9® can suppress CD4+ T cell migration via decreasing the cytokine CCL2 in vitro and in vivo, and restoring CCL2 could interrupt the ASC-J9® suppressed CD4+ T cell migration. Together, results from in vivo and in vitro studies suggest that ASC-J9® can suppress prostatitis by altering the autoimmune response induced by CD4+ T cell recruitment, and using ASC-J9® may help us to develop a potential new therapy to battle the prostatitis with little side effects.
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Taherzadeh G, Zhou Y, Liew AWC, Yang Y. Structure-based prediction of protein– peptide binding regions using Random Forest. Bioinformatics 2017; 34:477-484. [DOI: 10.1093/bioinformatics/btx614] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Accepted: 09/25/2017] [Indexed: 11/12/2022] Open
Affiliation(s)
- Ghazaleh Taherzadeh
- School of Information and Communication Technology, Griffith University, Parklands Drive, Southport, QLD, Australia
| | - Yaoqi Zhou
- School of Information and Communication Technology, Griffith University, Parklands Drive, Southport, QLD, Australia
- Institute for Glycomics, Griffith University, Parklands Drive, Southport, QLD, Australia
| | - Alan Wee-Chung Liew
- School of Information and Communication Technology, Griffith University, Parklands Drive, Southport, QLD, Australia
| | - Yuedong Yang
- School of Information and Communication Technology, Griffith University, Parklands Drive, Southport, QLD, Australia
- Institute for Glycomics, Griffith University, Parklands Drive, Southport, QLD, Australia
- School of Data and Computer Science, Sun Yat-sen University, Guangzhou, China
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Breser ML, Salazar FC, Rivero VE, Motrich RD. Immunological Mechanisms Underlying Chronic Pelvic Pain and Prostate Inflammation in Chronic Pelvic Pain Syndrome. Front Immunol 2017; 8:898. [PMID: 28824626 PMCID: PMC5535188 DOI: 10.3389/fimmu.2017.00898] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2016] [Accepted: 07/13/2017] [Indexed: 12/12/2022] Open
Abstract
Chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) is the most common urologic morbidity in men younger than 50 years and is characterized by a diverse range of pain and inflammatory symptoms, both in type and severity, that involve the region of the pelvis, perineum, scrotum, rectum, testes, penis, and lower back. In most patients, pain is accompanied by inflammation in the absence of an invading infectious agent. Since CP/CPPS etiology is still not well established, available therapeutic options for patients are far from satisfactory for either physicians or patients. During the past two decades, chronic inflammation has been deeply explored as the cause of CP/CPPS. In this review article, we summarize the current knowledge regarding immunological mechanisms underlying chronic pelvic pain and prostate inflammation in CP/CPPS. Cumulative evidence obtained from both human disease and animal models indicate that several factors may trigger chronic inflammation in the form of autoimmunity against prostate, fostering chronic prostate recruitment of Th1 cells, and different other leukocytes, including mast cells, which might be the main actors in the consequent development of chronic pelvic pain. Thus, the local inflammatory milieu and the secretion of inflammatory mediators may induce neural sensitization leading to chronic pelvic pain development. Although scientific advances are encouraging, additional studies are urgently needed to establish the relationship between prostatitis development, mast cell recruitment to the prostate, and the precise mechanisms by which they would induce pelvic pain.
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Affiliation(s)
- María L Breser
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Florencia C Salazar
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Viginia E Rivero
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Rubén D Motrich
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
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Khan FU, Ihsan AU, Nawaz W, Khan MZ, Yang M, Wang G, Liao X, Han L, Zhou X. A novel mouse model of chronic prostatitis/chronic pelvic pain syndrome induced by immunization of special peptide fragment with aluminum hydroxide adjuvant. Immunol Lett 2017; 187:61-67. [DOI: 10.1016/j.imlet.2017.05.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Revised: 04/28/2017] [Accepted: 05/10/2017] [Indexed: 12/11/2022]
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Anti-Inflammatory Effect of Dialyzable Leukocyte Extract in Autoimmune Prostatitis: Evaluation in Animal Model. BIOMED RESEARCH INTERNATIONAL 2017; 2017:1832853. [PMID: 28386549 PMCID: PMC5366182 DOI: 10.1155/2017/1832853] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2016] [Revised: 01/13/2017] [Accepted: 02/14/2017] [Indexed: 01/13/2023]
Abstract
Objective. To evaluate the anti-inflammatory properties of Dialyzable Leukocyte Extract (DLE) in a murine model of chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS). Methods. Histopathological characterization, prostatein Enzyme-Linked Immunosorbent Assay, and immunohistochemical analysis for CD45, TNF-α, IFN-γ, IL-6, IL-17, and IL-4 molecules were done in prostatic Wistar rats treated with DLE, placebo, or Dexamethasone. Results. Histopathological analysis of animals induced to prostatitis showed inflammatory infiltrate, mainly constituted by leucocytes and mast cells as well as Benign Prostatic Hyperplasia. Serum prostatein concentrations were 14 times higher than those displayed by healthy animals. After DLE and Dexamethasone treatments, the inflammatory infiltrate decreased; the tissue morphology was similar to that of a normal prostate, and the prostatein decreased to the basal levels of healthy animals. DLE treatment produced a decreased expression of the cell surface marker CD45 and the proinflammatory cytokines TNF-α, IFN-γ, IL-6, and IL-17. On the other hand, the expression of anti-inflammatory cytokine IL-4 increased in both the Dexamethasone and DLE groups. Conclusion. DLE is able to modulate the inflammatory response in Experimental Autoimmune Prostatitis (EAP).
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Breser ML, Motrich RD, Sanchez LR, Rivero VE. Chronic Pelvic Pain Development and Prostate Inflammation in Strains of Mice With Different Susceptibility to Experimental Autoimmune Prostatitis. Prostate 2017; 77:94-104. [PMID: 27699823 DOI: 10.1002/pros.23252] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2016] [Accepted: 08/28/2016] [Indexed: 12/11/2022]
Abstract
BACKGROUND Experimental autoimmune prostatitis (EAP) is an autoimmune inflammatory disease of the prostate characterized by peripheral prostate-specific autoimmune responses associated with prostate inflammation. EAP is induced in rodents upon immunization with prostate antigens (PAg) plus adjuvants and shares important clinical and immunological features with the human disease chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS). METHODS EAP was induced in young NOD, C57BL/6, and BALB/c male mice by immunization with PAg plus complete Freund́s adjuvant. Tactile allodynia was assessed using Von Frey fibers as a measure of pelvic pain at baseline and at different time points after immunization. Using conventional histology, immunohistochemistry, FACS analysis, and protein arrays, an interstrain comparative study of prostate cell infiltration and inflammation was performed. RESULTS Chronic pelvic pain development was similar between immunized NOD and C57BL/6 mice, although the severity of leukocyte infiltration was greater in the first case. Coversely, minimal prostate cell infiltration was observed in immunized BALB/c mice, who showed no pelvic pain development. Increased numbers of mast cells, mostly degranulated, were detected in prostate samples from NOD and C57BL/6 mice, while lower total counts and resting were observed in BALB/c mice. Prostate tissue from NOD mice revealed markedly increased expression levels of inflammatory cytokines, chemokines, adhesion molecules, vascular endothelial growth factor, and metalloproteinases. Similar results, but to a lesser extent, were observed when analyzing prostate tissue from C57BL/6 mice. On the contrary, the expression of the above mediators was very low in prostate tissue from immunized BALB/c mice, showing significantly slight increments only for CXCL1 and IL4. CONCLUSIONS Our results provide new evidence indicating that NOD, C57BL/6, and BALB/c mice develop different degrees of chronic pelvic pain, type, and amount of prostate cell infiltration and secretion of inflammatory mediators. Our results corroborate and support the notion that mice with different genetic background have different susceptibility to EAP induction. Prostate 77:94-104, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Maria L Breser
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre y Medina Allende, Ciudad Universitaria, Córdoba, Argentina
| | - Ruben D Motrich
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre y Medina Allende, Ciudad Universitaria, Córdoba, Argentina
| | - Leonardo R Sanchez
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre y Medina Allende, Ciudad Universitaria, Córdoba, Argentina
| | - Virginia E Rivero
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre y Medina Allende, Ciudad Universitaria, Córdoba, Argentina
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IL-17 is not essential for inflammation and chronic pelvic pain development in an experimental model of chronic prostatitis/chronic pelvic pain syndrome. Pain 2016; 157:585-597. [DOI: 10.1097/j.pain.0000000000000405] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Modeling of protein-peptide interactions using the CABS-dock web server for binding site search and flexible docking. Methods 2015; 93:72-83. [PMID: 26165956 DOI: 10.1016/j.ymeth.2015.07.004] [Citation(s) in RCA: 113] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Revised: 07/06/2015] [Accepted: 07/08/2015] [Indexed: 11/22/2022] Open
Abstract
Protein-peptide interactions play essential functional roles in living organisms and their structural characterization is a hot subject of current experimental and theoretical research. Computational modeling of the structure of protein-peptide interactions is usually divided into two stages: prediction of the binding site at a protein receptor surface, and then docking (and modeling) the peptide structure into the known binding site. This paper presents a comprehensive CABS-dock method for the simultaneous search of binding sites and flexible protein-peptide docking, available as a user's friendly web server. We present example CABS-dock results obtained in the default CABS-dock mode and using its advanced options that enable the user to increase the range of flexibility for chosen receptor fragments or to exclude user-selected binding modes from docking search. Furthermore, we demonstrate a strategy to improve CABS-dock performance by assessing the quality of models with classical molecular dynamics. Finally, we discuss the promising extensions and applications of the CABS-dock method and provide a tutorial appendix for the convenient analysis and visualization of CABS-dock results. The CABS-dock web server is freely available at http://biocomp.chem.uw.edu.pl/CABSdock/.
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Landegren N, Sharon D, Shum AK, Khan IS, Fasano KJ, Hallgren Å, Kampf C, Freyhult E, Ardesjö-Lundgren B, Alimohammadi M, Rathsman S, Ludvigsson JF, Lundh D, Motrich R, Rivero V, Fong L, Giwercman A, Gustafsson J, Perheentupa J, Husebye ES, Anderson MS, Snyder M, Kämpe O. Transglutaminase 4 as a prostate autoantigen in male subfertility. Sci Transl Med 2015; 7:292ra101. [PMID: 26084804 DOI: 10.1126/scitranslmed.aaa9186] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Autoimmune polyendocrine syndrome type 1 (APS1), a monogenic disorder caused by AIRE gene mutations, features multiple autoimmune disease components. Infertility is common in both males and females with APS1. Although female infertility can be explained by autoimmune ovarian failure, the mechanisms underlying male infertility have remained poorly understood. We performed a proteome-wide autoantibody screen in APS1 patient sera to assess the autoimmune response against the male reproductive organs. By screening human protein arrays with male and female patient sera and by selecting for gender-imbalanced autoantibody signals, we identified transglutaminase 4 (TGM4) as a male-specific autoantigen. Notably, TGM4 is a prostatic secretory molecule with critical role in male reproduction. TGM4 autoantibodies were detected in most of the adult male APS1 patients but were absent in all the young males. Consecutive serum samples further revealed that TGM4 autoantibodies first presented during pubertal age and subsequent to prostate maturation. We assessed the animal model for APS1, the Aire-deficient mouse, and found spontaneous development of TGM4 autoantibodies specifically in males. Aire-deficient mice failed to present TGM4 in the thymus, consistent with a defect in central tolerance for TGM4. In the mouse, we further link TGM4 immunity with a destructive prostatitis and compromised secretion of TGM4. Collectively, our findings in APS1 patients and Aire-deficient mice reveal prostate autoimmunity as a major manifestation of APS1 with potential role in male subfertility.
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Affiliation(s)
- Nils Landegren
- Department of Medicine (Solna), Karolinska University Hospital, Karolinska Institutet, Stockholm SE 171 76, Sweden. Department of Medical Sciences, Science for Life Laboratory, Uppsala University, Uppsala SE 751 85, Sweden.
| | - Donald Sharon
- Department of Genetics, Stanford University, Stanford 94305, CA, USA. Department of Molecular, Cellular, and Developmental Biology, Yale University, New Haven, CT 06511, USA
| | - Anthony K Shum
- Division of Pulmonary and Critical Care, Department of Medicine, University of California San Francisco, San Francisco, CA 94143, USA
| | - Imran S Khan
- Diabetes Center, University of California San Francisco, San Francisco, CA 94143, USA
| | - Kayla J Fasano
- Diabetes Center, University of California San Francisco, San Francisco, CA 94143, USA
| | - Åsa Hallgren
- Department of Medicine (Solna), Karolinska University Hospital, Karolinska Institutet, Stockholm SE 171 76, Sweden. Department of Medical Sciences, Science for Life Laboratory, Uppsala University, Uppsala SE 751 85, Sweden
| | - Caroline Kampf
- Department of Immunology, Genetics, and Pathology, Uppsala University, Uppsala SE 751 85, Sweden
| | - Eva Freyhult
- Cancer Pharmacology and Computational Medicine, Department of Medical Sciences, Bioinformatics Infrastructure for Life Sciences, Science for Life Laboratory, Uppsala University, Uppsala SE 751 85, Sweden
| | - Brita Ardesjö-Lundgren
- Department of Animal Breeding and Genetics, Swedish University of Agricultural Sciences, Uppsala SE 750 07, Sweden
| | - Mohammad Alimohammadi
- Department of Medicine (Solna), Karolinska University Hospital, Karolinska Institutet, Stockholm SE 171 76, Sweden. Department of Medical Sciences, Science for Life Laboratory, Uppsala University, Uppsala SE 751 85, Sweden. Department of Medical Sciences, Uppsala University, Uppsala SE 751 85, Sweden
| | - Sandra Rathsman
- Department of Laboratory Medicine/Microbiology, Örebro University Hospital, Örebro SE 701 85, Sweden
| | - Jonas F Ludvigsson
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm SE 171 76, Sweden
| | - Dan Lundh
- School of Bioscience, University of Skövde, Skövde SE 541 28, Sweden
| | - Ruben Motrich
- Centro de Investigaciones en Bioquímica Clínica e Inmunología, Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba 5000, Argentina
| | - Virginia Rivero
- Centro de Investigaciones en Bioquímica Clínica e Inmunología, Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba 5000, Argentina
| | - Lawrence Fong
- University of California San Francisco Helen Diller Family Comprehensive Cancer Center, San Francisco, CA 94115, USA
| | - Aleksander Giwercman
- Molecular Reproduction Research, Department of Clinical Sciences Malmö, Lund University, Malmö SE 205 02, Sweden
| | - Jan Gustafsson
- Department of Women's and Children's Health, Uppsala University, Uppsala SE 751 85, Sweden
| | - Jaakko Perheentupa
- The Hospital for Children and Adolescents, University of Helsinki, Helsinki 00029, Finland
| | - Eystein S Husebye
- Department of Clinical Science, University of Bergen, and Department of Medicine, Haukeland University Hospital, Bergen 5020, Norway
| | - Mark S Anderson
- Diabetes Center, University of California San Francisco, San Francisco, CA 94143, USA
| | - Michael Snyder
- Department of Genetics, Stanford University, Stanford 94305, CA, USA
| | - Olle Kämpe
- Department of Medicine (Solna), Karolinska University Hospital, Karolinska Institutet, Stockholm SE 171 76, Sweden. Department of Medical Sciences, Science for Life Laboratory, Uppsala University, Uppsala SE 751 85, Sweden
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Wang X, Zhong S, Xu T, Xia L, Zhang X, Zhu Z, Zhang M, Shen Z. Histopathological classification criteria of rat model of chronic prostatitis/chronic pelvic pain syndrome. Int Urol Nephrol 2014; 47:307-16. [PMID: 25409932 DOI: 10.1007/s11255-014-0868-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Accepted: 10/24/2014] [Indexed: 12/23/2022]
Abstract
OBJECTIVE A variety of murine models of experimental prostatitis that mimic the phenotype of human chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) have been developed. However, there is still a lack of explicit diagnosis criteria about those animal model. Our study is to establish histopathological classification criteria, which will be conducive to evaluate the animal models. METHODS We firstly established a rat model of experimental autoimmune prostatitis that is considered a valid model for CP/CPPS. For modelling, male Sprague-Dawley rats were immunized with autologous prostate tissue homogenate supernatant emulsified with complete Freund's adjuvant by subcutaneous injection into abdominal flank and simultaneously immunized with pertussis-diphtheria-tetanus vaccine by intraperitoneal injection. Three immunizations were administered semimonthly. At the 45th day, animals were killed, and prostate tissues were examined for morphology. RESULTS Histologically, the prostate tissues were characterized by lymphoproliferation, atrophy of acini, and chronic inflammatory cells infiltration in the stromal connective tissue around the acini or ducts. Finally, we built histopathological classification criteria incorporating inflammation locations (mesenchyme, glands, periglandular tissues), ranges (focal, multifocal, diffuse), and grades (grade I-IV). To verify the effectiveness and practicability of the histopathological classification criteria, we conducted the treatment study with one of the alpha blockers, tamsulosin. CONCLUSION The histopathological classification criteria of rat model of CP/CPPS will serve for further research of the pathogenesis and treatment strategies of the disease.
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Affiliation(s)
- Xianjin Wang
- Department of Urology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197# Ruijin Er Road, Shanghai, 200025, People's Republic of China,
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Abstract
Chronic nonbacterial prostatitis is an ill-defined, painful clinical condition that is characterized by various nonspecific symptoms, some of which are related to urination or the male reproductive organs. Urologists diagnose this particular condition when the symptoms are not associated with urinary bacterial growth before and after transrectal prostate massage. In this review, we describe the recommended and optional tests that can be performed in these cases. There is significant overlap between chronic nonbacterial prostatitis and other unexplained pain conditions, raising the question as to whether the prostate is the culprit. The sources and mediators of pain and the psychological aspects of this complex condition are discussed. Treatments consist of traditional antibiotics and α-blockers. Because the pain relief is often temporary, patients seek other solutions. Various therapeutics have been introduced to satisfy the expectations of patients and physicians. We discuss other pain medications, as well as intraprostatic drug injections and shockwave therapy. Importantly, however, not all of these suggestions have been widely accepted by urologists or pain clinics.
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Affiliation(s)
- Avi Stein
- Department of Urology, Carmel Medical Centre, Haifa, Israel.
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Abstract
The cause of chronic pelvic pain syndrome (CPPS) has yet to be established. Since the late 1980s, cytokine, chemokine, and immunological classification studies using human samples have focused on identifying biomarkers for CPPS, but no diagnostically beneficial biomarkers have been identified, and these studies have done little to deepen our understanding of the mechanisms underlying chronic prostatic pain. Given the large number of men thought to be affected by this condition and the ineffective nature of current treatments, there is a pressing need to elucidate these mechanisms. Prostatitis types IIIa and IIIb are classified according to the presence of pain without concurrent presence of bacteria; however, it is becoming more evident that, although levels of bacteria are not directly associated with levels of pain, the presence of bacteria might act as the initiating factor that drives primary activation of mast-cell-mediated inflammation in the prostate. Mast cell activation is also known to suppress regulatory T cell (Treg) control of self-tolerance and also activate neural sensitization. This combination of established autoimmunity coupled with peripheral and central neural sensitization can result in the development of multiple symptoms, including pelvic pain and bladder irritation. Identifying these mechanisms as central mediators in CPPS offers new insight into the prospective treatment of the disease.
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Penna G, Fibbi B, Maggi M, Adorini L. Prostate autoimmunity: from experimental models to clinical counterparts. Expert Rev Clin Immunol 2014; 5:577-86. [DOI: 10.1586/eci.09.37] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Jackson CM, Flies DB, Mosse CA, Parwani A, Hipkiss EL, Drake CG. Strain-specific induction of experimental autoimmune prostatitis (EAP) in mice. Prostate 2013; 73:651-6. [PMID: 23129407 PMCID: PMC3618623 DOI: 10.1002/pros.22606] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2012] [Accepted: 09/26/2012] [Indexed: 11/11/2022]
Abstract
BACKGROUND Prostatitis, a clinical syndrome characterized by pelvic pain and inflammation, is common in adult males. Although several induced and spontaneous murine models of prostatitis have been explored, the role of genetic background on induction has not been well-defined. METHODS Using a standard methodology for the induction of experimental autoimmune prostatitis (EAP), we investigated both acute and chronic inflammation on several murine genetic backgrounds. RESULTS In our colony, nonobese diabetic (NOD) mice evinced spontaneous prostatitis that was not augmented by immunization with rat prostate extract (RPE). In contrast, the standard laboratory strain Balb/c developed chronic inflammation in response to RPE immunization. Development of EAP in other strains was variable. CONCLUSIONS These data suggest that Balb/c mice injected with RPE may provide a useful model for chronic prostatic inflammation.
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Affiliation(s)
- Christopher M. Jackson
- Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Dallas B. Flies
- Department of Immunology, Yale University, New Haven, Connecticut
| | - Claudio A. Mosse
- Departments of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee
- Tennessee Valley Healthcare System, Nashville, Tennessee
| | - Anil Parwani
- Pathology Informatics and Staff Pathologist, Shadyside Hospital, UPMC, Pittsburgh, Pennsylvania
| | - Edward L. Hipkiss
- Department of Biology, Penn State Mont Alto, Mont Alto, Pennsylvania
| | - Charles G. Drake
- Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, Maryland
- Brady Department of Urology, Johns Hopkins University School of Medicine, Baltimore, Maryland
- Correspondence to: Dr. Charles G. Drake, MD, PhD, Johns Hopkins Sidney Kimmel Comprehensive Cancer Center, 1650 Orleans St., CRB I #410, Baltimore, MD 21231.
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Abstract
BACKGROUND Autoantibodies targeted against a variety of self-antigens are detected in autoimmune diseases and cancer. Emerging evidence has suggested the involvement of environmental factors such as infections and xenobiotics, and some dietary proteins and their antibodies in the pathogenesis of many autoimmune diseases. These antibodies appear in the blood years before presentation of symptoms in various disorders. Therefore, these antibodies may be used as biomarkers for early detection of various diseases. OBJECTIVE To provide an overview of antibody arrays that are measured against different human tissue antigens, crossreactive epitopes of infectious agents, dietary proteins, and haptenic chemicals in autoimmune diseases and cancer. METHOD Microarray analysis of antigen-antibody reaction. CONCLUSION The application of these antibody arrays to human autoimmune disease is expanding and is allowing for the identification of patterns or antibody signatures, thus establishing the premises for increased sensitivity and specificity of prediction, as well as positive predictive values. The presence of these antibodies would not necessarily mean that a patient would definitely become sick but may give a percentage of risk for different conditions that may develop over future months or years. Using this high-throughput microarray method, it is possible to screen rapidly for dozens of autoantibodies at low cost. This is an important factor in the implementation of autoantibody testing as a routine part of medical examinations.
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Affiliation(s)
- Aristo Vojdani
- Immunosciences Lab., Inc., 8693 Wilshire Blvd, Ste. 200, Beverly Hills, CA 90211, USA +1 310 657 1077 ; +1 310 657 1053 ;
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Breser ML, Motrich RD, Sanchez LR, Mackern-Oberti JP, Rivero VE. Expression of CXCR3 on specific T cells is essential for homing to the prostate gland in an experimental model of chronic prostatitis/chronic pelvic pain syndrome. THE JOURNAL OF IMMUNOLOGY 2013; 190:3121-33. [PMID: 23455510 DOI: 10.4049/jimmunol.1202482] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Experimental autoimmune prostatitis (EAP) is considered a valid model for the human disease chronic prostatitis/chronic pelvic pain syndrome. In this report, we analyzed phenotypic characteristics of T cells that gain access to the prostate and induce leukocyte recruitment in mice with different susceptibility to EAP. After EAP induction, NOD mice developed a specific cellular response characterized by a mixed Th1/Th17 pattern with specific T cells mainly expressing CXCR3 that infiltrated and damaged the prostate. In contrast, BALB/c mice, as well as NOD-IFN-γ(-/-), exhibited only Th17 cells mainly expressing CCR6 that were not capable of infiltrating the prostate gland. Adoptive transfer experiments of T cells from NOD or NOD-IFN-γ(-/-) mice to NOD-SCID recipients showed that only T cells from NOD mice successfully infiltrated the prostate. However, after "in vitro" or "in vivo" treatment with rIFN-γ, T cells from NOD-IFN-γ(-/-) mice became capable of homing to the prostate and induced leukocyte recruitment. Chemokine levels in prostate tissue from NOD mice showed increased expression levels of CXCR3 ligands. Additional experiments using adoptive transfer of sorted CXCR3(+)CD3(+) T cells or administrating a CXCR3 antagonist treatment confirmed these previous results. Altogether, our results demonstrate that the expression of CXCR3 on effector T cells is essential for their homing to the prostate gland in EAP. CXCR3 emerges as a potential therapeutic target to control chronic prostatitis/chronic pelvic pain syndrome.
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Affiliation(s)
- Maria L Breser
- Centro de Investigaciones en Bioquímica Clínica e Inmunología, Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba 5016, Argentina
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Altuntas CZ, Daneshgari F, Veizi E, Izgi K, Bicer F, Ozer A, Grimberg KO, Bakhautdin B, Sakalar C, Tasdemir C, Tuohy VK. A novel murine model of chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) induced by immunization with a spermine binding protein (p25) peptide. Am J Physiol Regul Integr Comp Physiol 2013; 304:R415-22. [PMID: 23344231 DOI: 10.1152/ajpregu.00147.2012] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The pathophysiology of chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) is poorly understood. Inflammatory and autoimmune mechanisms may play a role. We developed a murine model of experimental autoimmune prostatitis (EAP) that mimics the human phenotype of CP/CPPS. Eight-week-old mice were immunized subcutaneously with prostate-specific peptides in an emulsion of complete Freund's adjuvant. Mice were euthanized 10 days after immunization, and lymph node cells were isolated and assessed for recall proliferation to each peptide. P25 99-118 was the most immunogenic peptide. T-cell and B-cell immunity and serum levels of C-reactive protein and nitrate/nitrite levels were evaluated over a 9-wk period. Morphometric studies of prostate, 24-h micturition frequencies, and urine volume per void were evaluated. Tactile referred hyperalgesia was measured using von Frey filaments to the pelvic region. The unpaired Student's t-test was used to analyze differences between EAP and control groups. Prostates from p25 99-118-immunized mice demonstrated elevated gene expression levels of TNF-α, IL-17A, IFN-γ, and IL-1β, not observed in control mice. Compared with controls, p25 99-118-immunized mice had significantly higher micturition frequency and decreased urine output per void, and they demonstrated elevated pelvic pain response. p25 99-118 immunization of male SWXJ mice induced prostate-specific autoimmunity characterized by prostate-confined inflammation, increased micturition frequency, and pelvic pain. This autoimmune prostatitis model provides a useful tool for exploring the pathophysiology and new treatments.
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Affiliation(s)
- Cengiz Z Altuntas
- Department of Urology, University Hospitals Case Medical Center, Case Western Reserve University, Cleveland, OH 44106, USA
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Haverkamp JM, Charbonneau B, Meyerholz DK, Cohen MB, Snyder PW, Svensson RU, Henry MD, Wang HH, Ratliff TL. An inducible model of abacterial prostatitis induces antigen specific inflammatory and proliferative changes in the murine prostate. Prostate 2011; 71:1139-50. [PMID: 21656824 PMCID: PMC3136647 DOI: 10.1002/pros.21327] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2010] [Accepted: 11/30/2010] [Indexed: 12/11/2022]
Abstract
BACKGROUND Prostatitis is a poorly understood disease and increasing evidence suggests inflammation is involved in other prostatic diseases including prostate cancer. METHODS The ability of pre-activated CD8 T cells to induce prostatitis was examined by adoptive transfer of prostate antigen specific CD8 T cells into POET-3 mice or POET-3/Luc/Pten(-/+) mice. Characterization of the inflammatory response was determined by examining leukocyte infiltration by histological analysis, flow cytometry and by evaluating cytokine and chemokine levels in prostate tissue. The impact of inflammation on the prostate was evaluated by monitoring epithelial cell proliferation over time. RESULTS Initiation of inflammation by ovalbumin specific CD8⁺ T cells (OT-I cells) resulted in development of acute prostatitis in the anterior, dorsolateral and ventral prostate of POET-3 and POET-3/Luc/Pten(-/+) mice. Acute prostatitis was characterized by recruitment of adoptively transferred OT-I cells and importantly, autologous CD4⁺ and CD8⁺ T cells, myeloid-derived suppressor cells (MDSC) and regulatory T cells (Treg). In concert with leukocyte infiltration elevated levels of pro-inflammatory cytokines and chemokines were observed. Inflammation also resulted in marked epithelial cell proliferation that was sustained up to 80 days post adoptive transfer of OT-I cells. CONCLUSIONS The POET-3 model represents a novel mouse model to study both acute and chronic prostate inflammation in an antigen-specific system. Further, the POET-3 mouse model can be crossed with other genetic models of disease such as the C57/Luc/Pten(-/-) model of prostate cancer, allowing the impact of prostatitis on other prostatic diseases to be evaluated.
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Affiliation(s)
- Jessica M. Haverkamp
- Jessica M. Haverkamp, BS. Purdue University, Department of Comparative Pathobiology, West Lafayette, IN and University of Iowa Immunology Program, Iowa City, IA, Hansen Life Science Research Building, 201 South University St., West Lafayette IN, 47905, 765-494-6329 (phone)/765-494-9193 (fax)
| | - Bridget Charbonneau
- Bridget Charbonneau Ph.D., M.P.H. University of Iowa Microbiology Program, Iowa City, IA, Purdue University, Hansen Life Science Research Building, 201 South University St., West Lafayette IN, 47905, 765-494-6329 (phone)/765-494-9193 (fax)
| | - David K. Meyerholz
- David K. Meyerholz, D.V.M, Ph.D., The University of Iowa, Department of Pathology, Iowa City, IA, University of Iowa, 1165 Medical Laboratories, Iowa City, IA 52242-1181, 319-353-4589 (phone)
| | - Michael B. Cohen
- Michael B. Cohen, MD. University of Iowa Carver College of Medicine, Departments of Pathology, Urology and Epidemiology, Iowa City, IA University of Iowa, 200 Hawkins Drive-C660 General Hospital, Iowa City, IA 52242-1009, 319-384-9609 (phone) / 319-384-9613 (fax)
| | - Paul W. Snyder
- Paul W. Snyder, DVM, Ph.D. Department of Comparative Pathobiology, Purdue University, West Lafayette, School of Veterinary Medicine, Purdue University, West Lafayette, IN 47907, 765-494-9676 (phone)
| | - Robert U. Svensson
- Robert U Svensson, Ph.D. The University of Iowa, Department of Molecular Physiology and Biophysics, Iowa City, IA, University of Iowa, 6-510 Bowen Science Building, Iowa City, IA, 52242, 319-335-7886 (phone)/319-335-7330 (fax)
| | - Michael D. Henry
- Michael D. Henry, Ph.D, University of Iowa Carver College of Medicine, Departments of Molecular Physiology and Biophysics and Pathology. 6-510 Bowen Science Building, Iowa City, IA 52242, 319-335-7886 (phone)/ 319-335-7330 (fax)
| | - Hsing- Hui Wang
- Hsing-Hui Wang, M.S., Purdue University, Department of Comparative Pathobiology, West Lafaytte, IN, Hansen Life Science Research Building, 201 South University St., West Lafayette IN, 47905, 765-494-6329 (phone)/765-494-9193 (fax)
| | - Timothy L. Ratliff
- Timothy L. Ratliff, Ph.D., Purdue University, Department of Comparative Pathobiology, and Purdue University Center for Cancer Research, West Lafayette, IN, Hansen Life Science Research Building, 201 South University St., West Lafayette IN, 47905, 765-494-9129 (phone) / 765-494-9193 (fax)
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Juan YS, Shen JT, Jang MY, Huang CH, Li CC, Wu WJ. Current Management of Male Chronic Pelvic Pain Syndromes. UROLOGICAL SCIENCE 2010. [DOI: 10.1016/s1879-5226(10)60036-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Abstract
Chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) is a debilitating syndrome of unknown etiology often postulated, but not proven, to be associated with microbial infection of the prostate gland. We hypothesized that infection of the prostate by clinically relevant uropathogenic Escherichia coli (UPEC) can initiate and establish chronic pain. We utilized an E. coli strain newly isolated from a patient with CP/CPPS (strain CP1) and examined its molecular pathogenesis in cell culture and in a murine model of bacterial prostatitis. We found that CP1 is an atypical isolate distinct from most UPEC in its phylotype and virulence factor profile. CP1 adhered to, invaded, and proliferated within prostate epithelia and colonized the prostate and bladder of NOD and C57BL/6J mice. Using behavioral measures of pelvic pain, we showed that CP1 induced and sustained chronic pelvic pain in NOD mice, an attribute not exhibited by a clinical cystitis strain. Furthermore, pain was observed to persist even after bacterial clearance from genitourinary tissues. CP1 induced pelvic pain behavior exclusively in NOD mice and not in C57BL/6J mice, despite comparable levels of colonization and inflammation. Microbial infections can thus serve as initiating agents for chronic pelvic pain through mechanisms that are dependent on both the virulence of the bacterial strain and the genetic background of the host.
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Motrich RD, van Etten E, Baeke F, Riera CM, Mathieu C, Rivero VE. Crucial role of interferon-gamma in experimental autoimmune prostatitis. J Urol 2010; 183:1213-20. [PMID: 20096883 DOI: 10.1016/j.juro.2009.11.008] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2009] [Indexed: 11/26/2022]
Abstract
PURPOSE An autoimmune etiology is proposed in some patients with chronic nonbacterial prostatitis since they show interferon-gamma secreting lymphocytes specific to prostate antigens in the periphery and increased interferon-gamma in seminal plasma. We investigated the involvement of interferon-gamma in an animal model of autoimmune prostatitis. MATERIALS AND METHODS Experimental autoimmune prostatitis was studied in the no-obese diabetic and C57Bl/6 (Harlan, Zeist, The Netherlands) susceptible mouse strains, and in the IRF-1 KO and STAT-1 KO mouse strains deficient in transcription factors involved in interferon-gamma signaling. RESULTS Experimental autoimmune prostatitis was characterized by prostate specific interferon-gamma secreting cells in the periphery and by T-helper 1 related cytokines in the target organ. Increased interferon-gamma and interleukin-12 were observed in the prostate of autoimmune animals while interleukin-10 and interleukin-4 were decreased and unaltered, respectively. The absence of transcription factors involved in the interferon-gamma signaling cascade, IRF-1 and STAT-1, made mice resistant to experimental autoimmune prostatitis. IRF-1 KO and STAT-1 KO mice immunized with prostate antigens did not show infiltration or alterations in the prostate. They did not have the typical prostate specific autoimmune response and showed decreased interferon-gamma, interleukin-12 and interleukin-10, and augmented interleukin-4 in the prostate. CONCLUSIONS Our results argue for a crucial role of interferon-gamma as a key factor in the pathogenesis of the disease. Intense research is promptly required to identify the pathogenic mechanisms underlying chronic prostatitis/chronic pelvic pain syndrome to find a more rational therapy.
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Affiliation(s)
- Ruben Darío Motrich
- Centro de Investigaciones en Bioquímica Clínica e Inmunología, Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
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Hou Y, DeVoss J, Dao V, Kwek S, Simko JP, McNeel DG, Anderson MS, Fong L. An aberrant prostate antigen-specific immune response causes prostatitis in mice and is associated with chronic prostatitis in humans. J Clin Invest 2009; 119:2031-41. [PMID: 19603556 PMCID: PMC2701875 DOI: 10.1172/jci38332] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2008] [Accepted: 04/08/2009] [Indexed: 12/19/2022] Open
Abstract
Chronic prostatitis is a common disease of unclear etiology and has no specific treatment. Mice deficient in the expression of the autoimmune regulator (Aire) gene, which are defective in thymic expression of self antigens and central tolerance, develop spontaneous prostatitis. In this study, we found that Aire-deficient mice developed spontaneous B and T cell immune responses to a prostate autoantigen, seminal vesicle secretory protein 2 (SVS2), which we believe to be novel. We show that thymic expression of this self antigen was Aire dependent. Moreover, prostatitis was induced in WT mice through immunization with SVS2, demonstrating that immunity to SVS2 was sufficient to induce prostatitis. The clinical relevance of this antigen was highlighted by our observation that patients with chronic prostatitis possessed specific autoantibodies against the human SVS2-like seminal vesicle protein semenogelin. These results provide direct evidence that spontaneous chronic prostatitis is an autoimmune disease and is regulated by both central and peripheral tolerance. Moreover, SVS2 and semenogelin are among the relevant autoantigens in mice and humans, respectively.
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Affiliation(s)
- Yafei Hou
- Division of Hematology/Oncology, Department of Medicine,
Diabetes Center, and
Department of Pathology, UCSF, San Francisco, California, USA.
University of Wisconsin Paul P. Carbone Comprehensive Cancer Center, Madison, Wisconsin, USA
| | - Jason DeVoss
- Division of Hematology/Oncology, Department of Medicine,
Diabetes Center, and
Department of Pathology, UCSF, San Francisco, California, USA.
University of Wisconsin Paul P. Carbone Comprehensive Cancer Center, Madison, Wisconsin, USA
| | - Vinh Dao
- Division of Hematology/Oncology, Department of Medicine,
Diabetes Center, and
Department of Pathology, UCSF, San Francisco, California, USA.
University of Wisconsin Paul P. Carbone Comprehensive Cancer Center, Madison, Wisconsin, USA
| | - Serena Kwek
- Division of Hematology/Oncology, Department of Medicine,
Diabetes Center, and
Department of Pathology, UCSF, San Francisco, California, USA.
University of Wisconsin Paul P. Carbone Comprehensive Cancer Center, Madison, Wisconsin, USA
| | - Jeffrey P. Simko
- Division of Hematology/Oncology, Department of Medicine,
Diabetes Center, and
Department of Pathology, UCSF, San Francisco, California, USA.
University of Wisconsin Paul P. Carbone Comprehensive Cancer Center, Madison, Wisconsin, USA
| | - Douglas G. McNeel
- Division of Hematology/Oncology, Department of Medicine,
Diabetes Center, and
Department of Pathology, UCSF, San Francisco, California, USA.
University of Wisconsin Paul P. Carbone Comprehensive Cancer Center, Madison, Wisconsin, USA
| | - Mark S. Anderson
- Division of Hematology/Oncology, Department of Medicine,
Diabetes Center, and
Department of Pathology, UCSF, San Francisco, California, USA.
University of Wisconsin Paul P. Carbone Comprehensive Cancer Center, Madison, Wisconsin, USA
| | - Lawrence Fong
- Division of Hematology/Oncology, Department of Medicine,
Diabetes Center, and
Department of Pathology, UCSF, San Francisco, California, USA.
University of Wisconsin Paul P. Carbone Comprehensive Cancer Center, Madison, Wisconsin, USA
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Vojdani A. Antibodies as predictors of complex autoimmune diseases and cancer. Int J Immunopathol Pharmacol 2008; 21:553-66. [PMID: 18831922 DOI: 10.1177/039463200802100308] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The pathologic role of autoantibodies in many autoimmune diseases is widely accepted. An enzyme immunoassay was used for measurement of antibodies against disease-specific antigens and etiologic agents for cross-reactive antigens associated with them. This antibody assay was applied to a panel of antigens for the detection of different neuroautoimmune diseases that included multiple sclerosis, motor peripheral neuropathies, multifocal motor neuropathy, amyotrophic lateral sclerosis, pediatric autoimmune neuropsychiatric disorder associated with streptococcal infection. We studied women with pregnancies complicated by neural tube defect, neuroborreliosis, autism and patients with possible somatic hypermutation. Antibodies were also measured against antigens and etiologic agents associated with primary biliary cirrhosis and chronic obstructive pulmonary disease. And, finally, antibodies were measured against several tumor antigens or peptides which are expressed in prostatic, breast and colon tissues. This panel of different autoantibodies was applied to 290 patients with neuroautoimmune disorders, cancer, and possible somatic hypermutation. The levels of these antibodies against different tissue-specific antigens and etiologic agents associated with them were significantly elevated in patients versus controls. We hope that this novel 96 antigen-specific ELISA will be used in additional studies that will prove its clinical efficacy, not only for the early diagnosis of many neuroautoimmune, liver and lung autoimmune disorders, but also for prognosis and the implementation of preventive steps for many complex diseases.
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Affiliation(s)
- A Vojdani
- Immunosciences Lab., Inc., Beverly Hills, CA, USA.
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