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Ferrito N, Báez-Flores J, Rodríguez-Martín M, Sastre-Rodríguez J, Coppola A, Isidoro-García M, Prieto-Matos P, Lacal J. Biomarker Landscape in RASopathies. Int J Mol Sci 2024; 25:8563. [PMID: 39201250 DOI: 10.3390/ijms25168563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2024] [Revised: 07/28/2024] [Accepted: 08/02/2024] [Indexed: 09/02/2024] Open
Abstract
RASopathies are a group of related genetic disorders caused by mutations in genes within the RAS/MAPK signaling pathway. This pathway is crucial for cell division, growth, and differentiation, and its disruption can lead to a variety of developmental and health issues. RASopathies present diverse clinical features and pose significant diagnostic and therapeutic challenges. Studying the landscape of biomarkers in RASopathies has the potential to improve both clinical practices and the understanding of these disorders. This review provides an overview of recent discoveries in RASopathy molecular profiling, which extend beyond traditional gene mutation analysis. mRNAs, non-coding RNAs, protein expression patterns, and post-translational modifications characteristic of RASopathy patients within pivotal signaling pathways such as the RAS/MAPK, PI3K/AKT/mTOR, and Rho/ROCK/LIMK2/cofilin pathways are summarized. Additionally, the field of metabolomics holds potential for uncovering metabolic signatures associated with specific RASopathies, which are crucial for developing precision medicine. Beyond molecular markers, we also examine the role of histological characteristics and non-invasive physiological assessments in identifying potential biomarkers, as they provide evidence of the disease's effects on various systems. Here, we synthesize key findings and illuminate promising avenues for future research in RASopathy biomarker discovery, underscoring rigorous validation and clinical translation.
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Affiliation(s)
- Noemi Ferrito
- Laboratory of Functional Genetics of Rare Diseases, Department of Microbiology and Genetics, University of Salamanca (USAL), 37007 Salamanca, Spain
- GIR of Biomedicine of Rare Diseases, University of Salamanca (USAL), 37007 Salamanca, Spain
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain
| | - Juan Báez-Flores
- Laboratory of Functional Genetics of Rare Diseases, Department of Microbiology and Genetics, University of Salamanca (USAL), 37007 Salamanca, Spain
- GIR of Biomedicine of Rare Diseases, University of Salamanca (USAL), 37007 Salamanca, Spain
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain
| | - Mario Rodríguez-Martín
- Laboratory of Functional Genetics of Rare Diseases, Department of Microbiology and Genetics, University of Salamanca (USAL), 37007 Salamanca, Spain
- GIR of Biomedicine of Rare Diseases, University of Salamanca (USAL), 37007 Salamanca, Spain
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain
| | - Julián Sastre-Rodríguez
- Laboratory of Functional Genetics of Rare Diseases, Department of Microbiology and Genetics, University of Salamanca (USAL), 37007 Salamanca, Spain
| | - Alessio Coppola
- Laboratory of Functional Genetics of Rare Diseases, Department of Microbiology and Genetics, University of Salamanca (USAL), 37007 Salamanca, Spain
- GIR of Biomedicine of Rare Diseases, University of Salamanca (USAL), 37007 Salamanca, Spain
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain
| | - María Isidoro-García
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain
- Clinical Biochemistry Department, University Hospital of Salamanca, 37007 Salamanca, Spain
- Clinical Rare Diseases Reference Unit DiERCyL, 37007 Castilla y León, Spain
- Department of Medicine, University of Salamanca (USAL), 37007 Salamanca, Spain
| | - Pablo Prieto-Matos
- GIR of Biomedicine of Rare Diseases, University of Salamanca (USAL), 37007 Salamanca, Spain
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain
- Department of Pediatrics, University Hospital of Salamanca, 37007 Salamanca, Spain
- Department of Biomedical and Diagnostics Science, University of Salamanca (USAL), 37007 Salamanca, Spain
| | - Jesus Lacal
- Laboratory of Functional Genetics of Rare Diseases, Department of Microbiology and Genetics, University of Salamanca (USAL), 37007 Salamanca, Spain
- GIR of Biomedicine of Rare Diseases, University of Salamanca (USAL), 37007 Salamanca, Spain
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain
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Wischnewski S, Thäwel T, Ikenaga C, Kocharyan A, Lerma-Martin C, Zulji A, Rausch HW, Brenner D, Thomas L, Kutza M, Wick B, Trobisch T, Preusse C, Haeussler M, Leipe J, Ludolph A, Rosenbohm A, Hoke A, Platten M, Weishaupt JH, Sommer CJ, Stenzel W, Lloyd TE, Schirmer L. Cell type mapping of inflammatory muscle diseases highlights selective myofiber vulnerability in inclusion body myositis. NATURE AGING 2024; 4:969-983. [PMID: 38834884 PMCID: PMC11257986 DOI: 10.1038/s43587-024-00645-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 05/03/2024] [Indexed: 06/06/2024]
Abstract
Inclusion body myositis (IBM) is the most prevalent inflammatory muscle disease in older adults with no effective therapy available. In contrast to other inflammatory myopathies such as subacute, immune-mediated necrotizing myopathy (IMNM), IBM follows a chronic disease course with both inflammatory and degenerative features of pathology. Moreover, causal factors and molecular drivers of IBM progression are largely unknown. Therefore, we paired single-nucleus RNA sequencing with spatial transcriptomics from patient muscle biopsies to map cell-type-specific drivers underlying IBM pathogenesis compared with IMNM muscles and noninflammatory skeletal muscle samples. In IBM muscles, we observed a selective loss of type 2 myonuclei paralleled by increased levels of cytotoxic T and conventional type 1 dendritic cells. IBM myofibers were characterized by either upregulation of cell stress markers featuring GADD45A and NORAD or protein degradation markers including RNF7 associated with p62 aggregates. GADD45A upregulation was preferentially seen in type 2A myofibers associated with severe tissue inflammation. We also noted IBM-specific upregulation of ACHE encoding acetylcholinesterase, which can be regulated by NORAD activity and result in functional denervation of myofibers. Our results provide promising insights into possible mechanisms of myofiber degeneration in IBM and suggest a selective type 2 fiber vulnerability linked to genomic stress and denervation pathways.
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Grants
- R01 AR076390 NIAMS NIH HHS
- U41 HG002371 NHGRI NIH HHS
- European Research Council (DecOmPress ERC StG 950584), German Research Foundation grant (SCHI 1330/2-1, SCHI 1330/4-1, SCHI 1330/6-1, GRK 2727, SPP 2395), Hertie Foundation (P1180016), National Multiple Sclerosis Society (RFA-2203-39300, PA-2002-36405)
- The Myositis Association (90097118)
- German Cancer Aid
- National Human Genome Research Institute (5U41HG002371)
- National Institute of Arthritis and Musculoskeletal and Skin Diseases (R01-AR076390), Muscular Dystrophy Association (MDA630399), The Peter and Carmen Lucia Buck Foundation, The Peter Frampton Myositis Research Fund
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Affiliation(s)
- Sven Wischnewski
- Department of Neurology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Thomas Thäwel
- Department of Neurology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Chiseko Ikenaga
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Anna Kocharyan
- Department of Neurology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Celia Lerma-Martin
- Department of Neurology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Amel Zulji
- Department of Neurology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Hans-Werner Rausch
- Department of Neurology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - David Brenner
- Department of Neurology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Department of Neurology, University of Ulm, Ulm, Germany
| | - Leonie Thomas
- Department of Neurology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Michael Kutza
- Department of Neurology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Brittney Wick
- Genomics Institute, University of California, Santa Cruz, Santa Cruz, CA, USA
| | - Tim Trobisch
- Department of Neurology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Corinna Preusse
- Department of Neuropathology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany
| | | | - Jan Leipe
- Division of Rheumatology, Department of Medicine V, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Albert Ludolph
- Department of Neurology, University of Ulm, Ulm, Germany
- Deutsches Zentrum für Neurodegenerative Erkrankungen, Ulm, Germany
| | | | - Ahmet Hoke
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Michael Platten
- Department of Neurology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- DKTK Clinical Cooperation Unit Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center, Heidelberg, Germany
- Mannheim Center for Translational Neuroscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Mannheim Institute for Innate Immunoscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Interdisciplinary Center for Neurosciences, Heidelberg University, Heidelberg, Germany
| | - Jochen H Weishaupt
- Department of Neurology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Mannheim Center for Translational Neuroscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Mannheim Institute for Innate Immunoscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Interdisciplinary Center for Neurosciences, Heidelberg University, Heidelberg, Germany
| | - Clemens J Sommer
- Institute for Neuropathology, University Medical Center, Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Werner Stenzel
- Department of Neuropathology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany
| | - Thomas E Lloyd
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
- Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
- Department of Neurology, Baylor College of Medicine, Houston, TX, USA.
| | - Lucas Schirmer
- Department of Neurology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.
- Mannheim Center for Translational Neuroscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.
- Mannheim Institute for Innate Immunoscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.
- Interdisciplinary Center for Neurosciences, Heidelberg University, Heidelberg, Germany.
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Tian Z, Du Z, Bai G, Gong Q, You Y, Xu G, Liu J, Xiao M, Wang Y, He Y. Schwann cell derived pleiotrophin stimulates fibroblast for proliferation and excessive collagen deposition in plexiform neurofibroma. Cancer Gene Ther 2024; 31:627-640. [PMID: 38302728 DOI: 10.1038/s41417-024-00727-1] [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: 09/12/2023] [Revised: 12/21/2023] [Accepted: 01/08/2024] [Indexed: 02/03/2024]
Abstract
Neurofibromatosis type 1 associated plexiform neurofibroma (pNF) is characterized by abundant fibroblasts and dense collagen, yet the intricate interactions between tumor-origin cells (Schwann cells) and neurofibroma-associated fibroblasts (NFAFs) remain elusive. Employing single-cell RNA sequencing on human pNF samples, we generated a comprehensive transcriptomics dataset and conducted cell-cell communication analysis to unravel the molecular dynamics between Schwann cells and NFAFs. Our focus centered on the pleiotrophin (PTN)/nucleolin (NCL) axis as a pivotal ligand-receptor pair orchestrating this interaction. Validation of PTN involvement was affirmed through coculture models and recombinant protein experiments. Functional and mechanistic investigations, employing assays such as CCK8, EdU, Western Blot, ELISA, Hydroxyproline Assay, and Human phospho-kinase array, provided critical insights. We employed siRNA or inhibitors to intercept the PTN/NCL/proline-rich Akt substrate of 40 kDa (PRAS40) axis, validating the associated molecular mechanism. Our analysis highlighted a subset of Schwann cells closely linked to collagen deposition, underscoring their significance in pNF development. The PTN/NCL axis emerged as a key mediator of the Schwann cell-NFAF interaction. Furthermore, our study demonstrated that elevated PTN levels enhanced NFAF proliferation and collagen synthesis, either independently or synergistically with TGF-β1 in vitro. Activation of the downstream molecule PRAS40 was noted in NFAFs upon PTN treatment. Crucially, by targeting NCL and PRAS40, we successfully reversed collagen synthesis within NFAFs. In conclusion, our findings unveil the pivotal role of the PTN/NCL/PRAS40 axis in driving pNF development by promoting NFAFs proliferation and function. Targeting this pathway emerges as a potential therapeutic strategy for pNF. This study contributes novel insights into the molecular mechanisms governing pNF pathogenesis.
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Affiliation(s)
- Zhuowei Tian
- Department of Oral Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, China
- Department of Oral Maxillofacial-Head and Neck Oncology, Fengcheng Hospital, Shanghai, China
| | - Zhong Du
- Department of Oral Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Guo Bai
- Department of Oral Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Qiyu Gong
- Institute of Immunology, Faculty of Basic Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuanhe You
- Department of Oral Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Guisong Xu
- Department of Oral Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Jialiang Liu
- Department of Oral Maxillofacial Surgery, Shanghai Stomatological Hospital & School of Stomatology, Fudan University, Shanghai, China
| | - Meng Xiao
- Department of Oral Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, China.
- Department of Oral Maxillofacial-Head and Neck Oncology, Fengcheng Hospital, Shanghai, China.
| | - Yanan Wang
- Department of Oral Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, China.
| | - Yue He
- Department of Oral Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, China.
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