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Pliego-Arreaga R, Cervantes-Montelongo JA, Silva-Martínez GA, Tristán-Flores FE, Pantoja-Hernández MA, Maldonado-Coronado JR. Joint Hypermobility Syndrome and Membrane Proteins: A Comprehensive Review. Biomolecules 2024; 14:472. [PMID: 38672488 PMCID: PMC11048254 DOI: 10.3390/biom14040472] [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: 02/28/2024] [Revised: 04/03/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024] Open
Abstract
Ehlers-Danlos syndromes (EDSs) constitute a heterogeneous group of connective tissue disorders characterized by joint hypermobility, skin hyperextensibility, and tissue fragility. Asymptomatic EDSs, joint hypermobility without associated syndromes, EDSs, and hypermobility spectrum disorders are the commonest phenotypes associated with joint hypermobility. Joint hypermobility syndrome (JHS) is a connective tissue disorder characterized by extreme flexibility of the joints, along with pain and other symptoms. JHS can be a sign of a more serious underlying genetic condition, such as EDS, which affects the cartilage, bone, fat, and blood. The exact cause of JHS could be related to genetic changes in the proteins that add flexibility and strength to the joints, ligaments, and tendons, such as collagen. Membrane proteins are a class of proteins embedded in the cell membrane and play a crucial role in cell signaling, transport, and adhesion. Dysregulated membrane proteins have been implicated in a variety of diseases, including cancer, cardiovascular disease, and neurological disorders; recent studies have suggested that membrane proteins may also play a role in the pathogenesis of JHS. This article presents an exploration of the causative factors contributing to musculoskeletal pain in individuals with hypermobility, based on research findings. It aims to provide an understanding of JHS and its association with membrane proteins, addressing the clinical manifestations, pathogenesis, diagnosis, and management of JHS.
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Affiliation(s)
- Raquel Pliego-Arreaga
- Escuela de Medicina, Universidad de Celaya, Celaya 38080, Guanajuato, Mexico; (J.A.C.-M.); (M.A.P.-H.); (J.R.M.-C.)
| | - Juan Antonio Cervantes-Montelongo
- Escuela de Medicina, Universidad de Celaya, Celaya 38080, Guanajuato, Mexico; (J.A.C.-M.); (M.A.P.-H.); (J.R.M.-C.)
- Departamento de Ingeniería Bioquímica, Tecnológico Nacional de México en Celaya, Celaya 38010, Guanajuato, Mexico;
| | | | | | | | - Juan Raúl Maldonado-Coronado
- Escuela de Medicina, Universidad de Celaya, Celaya 38080, Guanajuato, Mexico; (J.A.C.-M.); (M.A.P.-H.); (J.R.M.-C.)
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Doolan BJ, Lavallee M, Hausser I, Pope FM, Seneviratne SL, Winship IM, Burrows NP. Dermatologic manifestations and diagnostic assessments of the Ehlers-Danlos syndromes: A clinical review. J Am Acad Dermatol 2023; 89:551-559. [PMID: 36764582 DOI: 10.1016/j.jaad.2023.01.034] [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: 09/27/2022] [Revised: 12/07/2022] [Accepted: 01/10/2023] [Indexed: 02/11/2023]
Abstract
BACKGROUND The Ehlers-Danlos syndromes (EDSs) comprise a group of connective tissue disorders that manifest with skin hyperextensibility, easy bruising, joint hypermobility and fragility of skin, soft tissues, and some organs. A correct assessment of cutaneous features along with the use of adjunct technologies can improve diagnostic accuracy. OBJECTIVES To systematically review the cutaneous features and adjunct investigations of EDS. METHODS A search of PubMed and Web of Science for EDS-related cutaneous features and additional investigations was undertaken from publication of the 2017 International Classification of EDS until January 15, 2022. RESULTS One-hundred-and-forty studies involved 839 patients with EDS. The EDS female-to-male ratio was 1.36:1 (P < .001). A high prevalence of skin hyperextensibility, bruising, and soft skin were noted. Most patients with vascular Ehlers-Danlos syndrome showed venous visibility, skin fragility, and acrogeria. Classical EDS showed subcutaneous spheroids and molluscoid pseudotumours. In patients that underwent skin biopsies, only 30.3% and 71.4% showed features suggestive of EDS using light microscopy and transmission electron microscopy, respectively. LIMITATIONS Retrospective study and small cases numbers for some EDS-subtypes. CONCLUSIONS An accurate clinical diagnosis increases the chances of a molecular diagnosis, particularly for rarer EDS subtypes, whilst decreasing the need for genetic testing where there is a low clinical suspicion for a monogenic EDS-subtype.
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Affiliation(s)
- Brent J Doolan
- St John's Institute of Dermatology, School of Basic and Medical Biosciences, King's College London, London, UK; St John's Institute of Dermatology, Guy's and St Thomas' NHS Foundation Trust, London, UK.
| | - Mark Lavallee
- Department of Orthopedics, University of Pittsburgh Medical Center of Central PA, Pittsburgh, Pennsylvania
| | - Ingrid Hausser
- Institute of Pathology, Heidelberg University Hospital, Heidelberg, Germany
| | - F Michael Pope
- Department of Dermatology, Chelsea and Westminster Hospital NHS Foundation Trust (West Middlesex University Hospital), London, UK
| | - Suranjith L Seneviratne
- Institute of Immunity and Transplantation, Royal Free Hospital and University College London, London, UK; Nawaloka Hospital Research and Education Foundation, Nawaloka Hospitals, Colombo, Sri Lanka
| | - Ingrid M Winship
- Department of Genetic Medicine, The Royal Melbourne Hospital, Melbourne, Victoria, Australia; Department of Medicine, The University of Melbourne, Melbourne, Victoria, Australia
| | - Nigel P Burrows
- Department of Dermatology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
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Plaut S. Suggesting a mechanism for acupuncture as a global percutaneous needle fasciotomy that respects tensegrity principles for treating fibromyalgia. Front Med (Lausanne) 2023; 9:952159. [PMID: 36777160 PMCID: PMC9911817 DOI: 10.3389/fmed.2022.952159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 12/30/2022] [Indexed: 01/28/2023] Open
Abstract
Acupuncture is a minimally invasive therapeutic method that uses small caliber needles while inserting them through the skin into various areas of the body. Some empirical studies find evidence to support the use of acupuncture as a treatment for certain medical conditions, however, this peculiar practice is widely considered as the domain of alternative and non-evidence-based medicine. Several mechanisms have been suggested in an attempt to explain the therapeutic action of acupuncture, but the way in which acupuncture alleviates chronic non-cancer pain or psychosomatic and psychiatric disorders is not fully understood. A recent study suggested a theoretical model (coined "Fascial Armoring") with a cellular pathway to help explain the pathogenesis of myofascial pain/fibromyalgia syndrome and functional psychosomatic syndromes. It proposes that these syndromes are a spectrum of a single medical entity that involves myofibroblasts with contractile activity in fascia and aberrant extracellular matrix (ECM) remodeling, which may lead to widespread mechanical tension and compression. This can help explain diverse psycho-somatic manifestations of fibromyalgia-like syndromes. Fascia is a continuous interconnected tissue network that extends throughout the body and has qualities of bio-tensegrity. Previous studies show that a mechanical action by needling induces soft tissue changes and lowers the shear modulus and stiffness in myofascial tissue. This hypothesis and theory paper offers a new mechanism for acupuncture therapy as a global percutaneous needle fasciotomy that respects tensegrity principles (tensegrity-based needling), in light of the theoretical model of "Fascial Armoring." The translation of this model to other medical conditions carries potential to advance therapies. These days opioid overuse and over-prescription are ubiquitous, as well as chronic pain and suffering.
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Affiliation(s)
- Shiloh Plaut
- *Correspondence: Shiloh Plaut, , ; orcid.org/0000-0001-5823-3390
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RNA-Seq of Dermal Fibroblasts from Patients with Hypermobile Ehlers-Danlos Syndrome and Hypermobility Spectrum Disorders Supports Their Categorization as a Single Entity with Involvement of Extracellular Matrix Degrading and Proinflammatory Pathomechanisms. Cells 2022; 11:cells11244040. [PMID: 36552803 PMCID: PMC9777098 DOI: 10.3390/cells11244040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/02/2022] [Accepted: 12/12/2022] [Indexed: 12/15/2022] Open
Abstract
Hypermobile Ehlers-Danlos syndrome (hEDS) and hypermobility spectrum disorders (HSD) are clinically overlapping connective tissue disorders of unknown etiology and without any validated diagnostic biomarker and specific therapies. Herein, we in-depth characterized the cellular phenotype and gene expression profile of hEDS and HSD dermal fibroblasts by immunofluorescence, amplicon-based RNA-seq, and qPCR. We demonstrated that both cell types show a common cellular trait, i.e., generalized extracellular matrix (ECM) disarray, myofibroblast differentiation, and dysregulated gene expression. Functional enrichment and pathway analyses clustered gene expression changes in different biological networks that are likely relevant for the disease pathophysiology. Specifically, the complex gene expression dysregulation (mainly involving growth factors, structural ECM components, ECM-modifying enzymes, cytoskeletal proteins, and different signal transducers), is expected to perturb many ECM-related processes including cell adhesion, migration, proliferation, and differentiation. Based on these findings, we propose a disease model in which an unbalanced ECM remodeling triggers a vicious cycle with a synergistic contribution of ECM degradation products and proinflammatory mediators leading to a functional impairment of different connective tissues reflecting the multisystemic presentation of hEDS/HSD patients. Our results offer many promising clues for translational research aimed to define molecular bases, diagnostic biomarkers, and specific therapies for these challenging connective tissue disorders.
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Genomic Characterization by Whole-Exome Sequencing of Hypermobility Spectrum Disorder. Genes (Basel) 2022; 13:genes13071269. [PMID: 35886052 PMCID: PMC9319525 DOI: 10.3390/genes13071269] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 06/17/2022] [Accepted: 07/10/2022] [Indexed: 02/04/2023] Open
Abstract
No genetic basis is currently established that differentiates hypermobility spectrum disorders (HSD) from hypermobile Ehlers–Danlos syndrome (hEDS). Diagnosis is entirely based on clinical parameters with high overlap, leading to frequent misdiagnosis of these two phenotypes. This study presents a landscape of DNA mutations through whole-exome sequencing of patients clinically diagnosed with generalized HSD. In this study, three genes (MUC3A, RHBG, and ZNF717) were mutated in all five patients evaluated. The functional enrichment analysis on all 1162 mutated genes identified the extracellular matrix (ECM) structural constituent as the primary overrepresented molecular function. Ingenuity pathway analysis identified relevant bio-functions, such as the organization of ECM and hereditary connective tissue disorders. A comparison with the matrisome revealed 55 genes and highlighted MUC16 and FREM2. We also contrasted the list of mutated genes with those from a transcriptomic analysis on data from Gene Expression Omnibus, with only 0.5% of the genes at the intersection of both approaches supporting the hypothesis of two different diseases that inevitably share a common genetic background but are not the same. Potential biomarkers for HSD include the five genes presented. We conclude the study by describing five potential biomarkers and by highlighting the importance of genetic/genomic approaches that, combined with clinical data, may result in an accurate diagnosis and better treatment.
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Plaut S. Scoping review and interpretation of myofascial pain/fibromyalgia syndrome: An attempt to assemble a medical puzzle. PLoS One 2022; 17:e0263087. [PMID: 35171940 PMCID: PMC8849503 DOI: 10.1371/journal.pone.0263087] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 01/11/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Myofascial Pain Syndrome (MPS) is a common, overlooked, and underdiagnosed condition and has significant burden. MPS is often dismissed by clinicians while patients remain in pain for years. MPS can evolve into fibromyalgia, however, effective treatments for both are lacking due to absence of a clear mechanism. Many studies focus on central sensitization. Therefore, the purpose of this scoping review is to systematically search cross-disciplinary empirical studies of MPS, focusing on mechanical aspects, and suggest an organic mechanism explaining how it might evolve into fibromyalgia. Hopefully, it will advance our understanding of this disease. METHODS Systematically searched multiple phrases in MEDLINE, EMBASE, COCHRANE, PEDro, and medRxiv, majority with no time limit. Inclusion/exclusion based on title and abstract, then full text inspection. Additional literature added on relevant side topics. Review follows PRISMA-ScR guidelines. PROSPERO yet to adapt registration for scoping reviews. FINDINGS 799 records included. Fascia can adapt to various states by reversibly changing biomechanical and physical properties. Trigger points, tension, and pain are a hallmark of MPS. Myofibroblasts play a role in sustained myofascial tension. Tension can propagate in fascia, possibly supporting a tensegrity framework. Movement and mechanical interventions treat and prevent MPS, while living sedentarily predisposes to MPS and recurrence. CONCLUSIONS MPS can be seen as a pathological state of imbalance in a natural process; manifesting from the inherent properties of the fascia, triggered by a disrupted biomechanical interplay. MPS might evolve into fibromyalgia through deranged myofibroblasts in connective tissue ("fascial armoring"). Movement is an underemployed requisite in modern lifestyle. Lifestyle is linked to pain and suffering. The mechanism of needling is suggested to be more mechanical than currently thought. A "global percutaneous needle fasciotomy" that respects tensegrity principles may treat MPS/fibromyalgia more effectively. "Functional-somatic syndromes" can be seen as one entity (myofibroblast-generated-tensegrity-tension), sharing a common rheuma-psycho-neurological mechanism.
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Affiliation(s)
- Shiloh Plaut
- School of Medicine, St. George’s University of London, London, United Kingdom
- * E-mail:
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Bulbena-Cabré A, Baeza-Velasco C, Rosado-Figuerola S, Bulbena A. Updates on the psychological and psychiatric aspects of the Ehlers-Danlos syndromes and hypermobility spectrum disorders. AMERICAN JOURNAL OF MEDICAL GENETICS. PART C, SEMINARS IN MEDICAL GENETICS 2021; 187:482-490. [PMID: 34806831 DOI: 10.1002/ajmg.c.31955] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 10/26/2021] [Accepted: 11/09/2021] [Indexed: 12/17/2022]
Abstract
The field of the psychiatric and psychological aspects of Ehlers-Danlos syndromes (EDS) has been understudied and neglected for many years. People with EDS are often classified as "somatizers" by untrained clinicians. However, research on the biological basis of EDS is improving our understanding of the physiology and psychopathology of the disorder. In this article, we consider the literature on the psychopathological dimensions associated with EDS as well as the EDS symptoms in psychiatric conditions since our review in 2017. Literature confirms that psychological processes (i.e., fear, emotional distress, or negative emotions) in EDS have a significant impact on the outcomes of EDS. Common systemic associations are found between anxiety disorders and EDS as well as significant correlations with neurodevelopmental, eating, mood, and sleep disorders. There is limited but increasing evidence of an association between EDS and suicidal thoughts and behaviors, which should be further explored. The broad spectrum of human anxiety and associated somatic symptoms (beyond anxiety disorders) appears to be the core of the psychopathology in EDS and therefore, detecting and assessing EDS might be a new opportunity for psychiatric nosology to develop more inclusive phenotypes like the Neuroconnective Phenotype that include both somatic and psychological manifestations.
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Affiliation(s)
- Andrea Bulbena-Cabré
- Icahn School of Medicine at Mount Sinai, New York, New York, USA.,Metropolitan Hospital, New York City Health and Hospitals, New York, New York, USA
| | - Carolina Baeza-Velasco
- Laboratoire de Psychopathologie et Processus de Santé, Université de Paris, Paris, France.,Department of Emergency Psychiatry and Acute Care, CHU Montpellier, Montpellier, France.,Institute of Functional Genomics, University of Montpellier, CNRS, INSERM, Montpellier, France
| | | | - Antonio Bulbena
- Institut Neuropsychiatry and Addictions, Parc Salut Mar, Hospital del Mar, Barcelona, Spain.,Department of Psychiatry and Forensic Medicine, Universitat Autónoma Barcelona, Barcelona, Spain
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Matrix Metalloproteinases Inhibition by Doxycycline Rescues Extracellular Matrix Organization and Partly Reverts Myofibroblast Differentiation in Hypermobile Ehlers-Danlos Syndrome Dermal Fibroblasts: A Potential Therapeutic Target? Cells 2021; 10:cells10113236. [PMID: 34831458 PMCID: PMC8621259 DOI: 10.3390/cells10113236] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/17/2021] [Accepted: 11/18/2021] [Indexed: 12/17/2022] Open
Abstract
Hypermobile Ehlers-Danlos syndrome (hEDS) is the most frequent type of EDS and is characterized by generalized joint hypermobility and musculoskeletal manifestations which are associated with chronic pain, and mild skin involvement along with the presence of more than a few comorbid conditions. Despite numerous research efforts, no causative gene(s) or validated biomarkers have been identified and insights into the disease-causing mechanisms remain scarce. Variability in the spectrum and severity of symptoms and progression of hEDS patients’ phenotype likely depend on a combination of age, gender, lifestyle, and the probable multitude of genes involved in hEDS. However, considering the clinical overlap with other EDS forms, which lead to abnormalities in extracellular matrix (ECM), it is plausible that the mechanisms underlying hEDS pathogenesis also affect the ECM to a certain extent. Herein, we performed a series of in vitro studies on the secretome of hEDS dermal fibroblasts that revealed a matrix metalloproteinases (MMPs) dysfunction as one of the major disease drivers by causing a detrimental feedback loop of excessive ECM degradation coupled with myofibroblast differentiation. We demonstrated that doxycycline-mediated inhibition of MMPs rescues in hEDS cells a control-like ECM organization and induces a partial reversal of their myofibroblast-like features, thus offering encouraging clues for translational studies confirming MMPs as a potential therapeutic target in hEDS with the expectation to improve patients’ quality of life and alleviate their disabilities.
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Wang TJ, Stecco A. Fascial thickness and stiffness in hypermobile Ehlers-Danlos syndrome. AMERICAN JOURNAL OF MEDICAL GENETICS PART C-SEMINARS IN MEDICAL GENETICS 2021; 187:446-452. [PMID: 34741592 DOI: 10.1002/ajmg.c.31948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/23/2021] [Accepted: 10/16/2021] [Indexed: 11/05/2022]
Abstract
There is a high prevalence of myofascial pain in people with hypermobile Ehlers-Danlos Syndrome (hEDS). The fascial origin of pain may correspond to changes in the extracellular matrix. The objective of this study was to investigate structural changes in fascia in hEDS. A series of 65 patients were examined prospectively-26 with hEDS, and 39 subjects with chronic neck, knee, or back pain without hEDS. The deep fascia of the sternocleidomastoid, iliotibial tract, and iliac fascia were examined with B-mode ultrasound and strain elastography, and the thicknesses were measured. Stiffness (strain index) was measured semi-quantitatively using elastography comparing fascia to muscle. Differences between groups were compared using one-way analysis of variance. hEDS subjects had a higher mean thickness in the deep fascia of the sternocleidomastoid compared with non-hEDS subjects. There was no significant difference in thickness of the iliac fascia and iliotibial tract between groups. Non-hEDS subjects with pain had a higher strain index (more softening of the fascia with relative stiffening of the muscle) compared with hEDS subjects and non-hEDS subjects without back or knee pain. In myofascial pain, softening of the fascia may occur from increase in extracellular matrix content and relative increase in stiffness of the muscle; this change is not as pronounced in hEDS.
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Affiliation(s)
- Tina J Wang
- Department of Physical Medicine & Rehabilitation, Loma Linda University School of Medicine, Upland, California, USA
| | - Antonio Stecco
- Department of Rehabilitation Medicine, New York University Grossman School of Medicine, New York, New York, USA
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Caliogna L, Guerrieri V, Annunziata S, Bina V, Brancato AM, Castelli A, Jannelli E, Ivone A, Grassi FA, Mosconi M, Pasta G. Biomarkers for Ehlers-Danlos Syndromes: There Is a Role? Int J Mol Sci 2021; 22:ijms221810149. [PMID: 34576312 PMCID: PMC8469247 DOI: 10.3390/ijms221810149] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 09/16/2021] [Accepted: 09/17/2021] [Indexed: 02/05/2023] Open
Abstract
Ehlers-Danlos syndromes (EDS) are an inherited heterogeneous group of connective tissue disorders characterized by an abnormal collagen synthesis affecting skin, ligaments, joints, blood vessels, and other organs. It is one of the oldest known causes of bruising and bleeding, and it was described first by Hippocrates in 400 BC. In the last years, multiple gene variants involved in the pathogenesis of specific EDS subtypes have been identified; moreover, new clinical diagnostic criteria have been established. New classification models have also been studied in order to differentiate overlapping conditions. Moreover, EDS shares many characteristics with other similar disorders. Although distinguishing between these seemingly identical conditions is difficult, it is essential in ensuring proper patient care. Currently, there are many genetic and molecular studies underway to clarify the etiology of some variants of EDS. However, the genetic basis of the hypermobile type of EDS (hEDS) is still unknown. In this review, we focused on the study of two of the most common forms of EDS—classic and hypermobile—by trying to identify possible biomarkers that could be of great help to confirm patients’ diagnosis and their follow up.
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Affiliation(s)
- Laura Caliogna
- Orthopedic and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy; (L.C.); (V.G.); (A.M.B.); (A.C.); (E.J.); (A.I.); (F.A.G.); (M.M.); (G.P.)
| | - Viviana Guerrieri
- Orthopedic and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy; (L.C.); (V.G.); (A.M.B.); (A.C.); (E.J.); (A.I.); (F.A.G.); (M.M.); (G.P.)
| | - Salvatore Annunziata
- Orthopedic and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy; (L.C.); (V.G.); (A.M.B.); (A.C.); (E.J.); (A.I.); (F.A.G.); (M.M.); (G.P.)
- Correspondence: ; Fax: +39-0382-502806
| | - Valentina Bina
- Department of Molecular Medicine, University of Pavia, 27100 Pavia, Italy;
| | - Alice Maria Brancato
- Orthopedic and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy; (L.C.); (V.G.); (A.M.B.); (A.C.); (E.J.); (A.I.); (F.A.G.); (M.M.); (G.P.)
| | - Alberto Castelli
- Orthopedic and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy; (L.C.); (V.G.); (A.M.B.); (A.C.); (E.J.); (A.I.); (F.A.G.); (M.M.); (G.P.)
| | - Eugenio Jannelli
- Orthopedic and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy; (L.C.); (V.G.); (A.M.B.); (A.C.); (E.J.); (A.I.); (F.A.G.); (M.M.); (G.P.)
| | - Alessandro Ivone
- Orthopedic and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy; (L.C.); (V.G.); (A.M.B.); (A.C.); (E.J.); (A.I.); (F.A.G.); (M.M.); (G.P.)
| | - Federico Alberto Grassi
- Orthopedic and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy; (L.C.); (V.G.); (A.M.B.); (A.C.); (E.J.); (A.I.); (F.A.G.); (M.M.); (G.P.)
| | - Mario Mosconi
- Orthopedic and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy; (L.C.); (V.G.); (A.M.B.); (A.C.); (E.J.); (A.I.); (F.A.G.); (M.M.); (G.P.)
| | - Gianluigi Pasta
- Orthopedic and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy; (L.C.); (V.G.); (A.M.B.); (A.C.); (E.J.); (A.I.); (F.A.G.); (M.M.); (G.P.)
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Muscle Proteomic Profile before and after Enzyme Replacement Therapy in Late-Onset Pompe Disease. Int J Mol Sci 2021; 22:ijms22062850. [PMID: 33799647 PMCID: PMC8001152 DOI: 10.3390/ijms22062850] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/07/2021] [Accepted: 03/08/2021] [Indexed: 12/29/2022] Open
Abstract
Mutations in the acidic alpha-glucosidase (GAA) coding gene cause Pompe disease. Late-onset Pompe disease (LOPD) is characterized by progressive proximal and axial muscle weakness and atrophy, causing respiratory failure. Enzyme replacement therapy (ERT), based on recombinant human GAA infusions, is the only available treatment; however, the efficacy of ERT is variable. Here we address the question whether proteins at variance in LOPD muscle of patients before and after 1 year of ERT, compared withhealthy age-matched subjects (CTR), reveal a specific signature. Proteins extracted from skeletal muscle of LOPD patients and CTR were analyzed by combining gel based (two-dimensional difference gel electrophoresis) and label-free (liquid chromatography-mass spectrometry) proteomic approaches, and ingenuity pathway analysis. Upstream regulators targeting autophagy and lysosomal tethering were assessed by immunoblotting. 178 proteins were changed in abundance in LOPD patients, 47 of them recovered normal level after ERT. Defects in oxidative metabolism, muscle contractile protein regulation, cytoskeletal rearrangement, and membrane reorganization persisted. Metabolic changes, ER stress and UPR (unfolded protein response) contribute to muscle proteostasis dysregulation with active membrane remodeling (high levels of LC3BII/LC3BI) and accumulation of p62, suggesting imbalance in the autophagic process. Active lysosome biogenesis characterizes both LOPD PRE and POST, unparalleled by molecules involved in lysosome tethering (VAMP8, SNAP29, STX17, and GORASP2) and BNIP3. In conclusion this study reveals a specific signature that suggests ERT prolongation and molecular targets to ameliorate patient’s outcome.
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