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Alakhdar Y, Cook J, Gallego D, Querol F, Chulvi-Medrano I, Alberola A, Hernández-Sánchez S. Association Between COL5a1, COL11a1, and COL11a2 Gene Variations and Rotator Cuff Tendinopathy in Young Athletes. Clin J Sport Med 2023; 33:e152-e156. [PMID: 34009784 DOI: 10.1097/jsm.0000000000000937] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Accepted: 03/25/2021] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Tendinopathy is a prevalent condition in young athletes and in older nonathletic people. Recent tendinopathy research has shown a growing interest in the role played by genetic factors, basically genes involved in collagen synthesis and regulation, in view of collagen disorganization typically present in tendon pathologies. DESIGN A case-control, genotype-phenotype association study. SETTING La Ribera Hospital, Valencia, Spain. PARTICIPANTS A group of 137 young athletes (49 with rotator cuff tendon pathology and 88 healthy counterparts) who played upper-limb-loading sports were clinically and ultrasound (US) assessed for rotator cuff tendinopathy were included. INTERVENTION Genetic analysis was performed to determine whether there was a relationship between rotator cuff pathology and the genotype. MAIN OUTCOME MEASURES We hypothesized that the following single nucleotide polymorphisms: COL5a1 rs12722, COL11a1 rs3753841, COL11a1 rs1676486, and COL11a2 rs1799907 would be associated with rotator cuff tendinopathy. RESULTS A direct relationship between CC genotype and bilateral US pathological images was statistically significant (χ 2 = 0.0051) and confirmed by the Fisher test, with a correlation coefficient of 0.345 and a Cramer's v of 0.26. CONCLUSION A significant association was found between COL5a1 rs12722 genotype and rotator cuff pathology, with the CC genotype conferring increased risk of tendon abnormalities and being associated with rotator cuff pathology.
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Affiliation(s)
- Yasser Alakhdar
- Department of Physiotherapy, University of Valencia, Valencia, Spain
| | - Jill Cook
- La Trobe Sport and Exercise Medicine Research Centre, Faculty of Health Science, La Trobe University, Victoria, Australia
| | - Diana Gallego
- Department of Physiotherapy, Faculty of Health, European University, Valencia, Spain
| | - Felipe Querol
- Department of Physiotherapy, University of Valencia, Valencia, Spain
| | - Iván Chulvi-Medrano
- Physical and Sports Education Department, Faculty of Physical Activity and Sport Sciences, University of Valencia, Valencia, Spain
| | - Antonio Alberola
- Department of Physiology, University de Valencia, Valencia, Spain ; and
| | - Sergio Hernández-Sánchez
- Center for Translational Research in Physiotherapy, Department of Pathology and Surgery, Physiotherapy Area, Miguel Hernandez University, San Juan, Alicante, Spain
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Abstract
Achilles tendinopathy is a common cause of disability. Despite the economic and social relevance of the problem, the causes and mechanisms of Achilles tendinopathy remain unclear. Tendon vascularity, gastrocnemius-soleus dysfunction, age, sex, body weight and height, pes cavus, and lateral ankle instability are considered common intrinsic factors. The essence of Achilles tendinopathy is a failed healing response, with haphazard proliferation of tenocytes, some evidence of degeneration in tendon cells and disruption of collagen fibers, and subsequent increase in noncollagenous matrix. Tendinopathic tendons have an increased rate of matrix remodeling, leading to a mechanically less stable tendon which is more susceptible to damage. The diagnosis of Achilles tendinopathy is mainly based on a careful history and detailed clinical examination. The latter remains the best diagnostic tool. Over the past few years, various new therapeutic options have been proposed for the management of Achilles tendinopathy. Despite the morbidity associated with Achilles tendinopathy, many of the therapeutic options described and in common use are far from scientifically based. New minimally invasive techniques of stripping of neovessels from the Kager's triangle of the tendo Achillis have been described, and seem to allow faster recovery and accelerated return to sports, rather than open surgery. A genetic component has been implicated in tendinopathies of the Achilles tendon, but these studies are still at their infancy.
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MicroRNA 148a-3p promotes Thrombospondin-4 expression and enhances angiogenesis during tendinopathy development by inhibiting Krüppel-like factor 6. Biochem Biophys Res Commun 2018; 502:276-282. [PMID: 29807011 DOI: 10.1016/j.bbrc.2018.05.167] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2018] [Accepted: 05/25/2018] [Indexed: 12/14/2022]
Abstract
Tendinopathy is a common musculoskeletal disorder with characteristic hypervascularity. The mechanism of angiogenesis in tendinopathy remains unclear. The present study aimed to investigate the roles of miR-148a-3p in angiogenesis development of tendinopathy. In this study, we demonstrated that miR-148a-3p expression was increased in tendinopathy tissues and positively correlated with CD34 levels which is a specific marker for angiogenesis. We identified Krüppel-like factor 6 (KLF6) as a direct target gene of miR-148a-3p in tenocytes. Furthermore, reduced levels of KLF6 in tendinopathy tissues was showed using qRT-PCR and immunohistochemical analysis, compared with controls. A negative correlation between the levels of KLF6 mRNA and miR-148a-3p was observed. Then, we verified that miR-148a-3p could regulate Tsp-4 expression by targeting KLF6 in tenocyte and was positively correlated with Tsp-4 levels in tendinopathy tissues. In a coculture system of tenocytes with endothelial cells (ECs), we observed that transfection of Lv-miR-148a-3p markedly upregulated EC angiogenesis. In summary, our data establish a novel molecular mechanism by which miR-148a-3p upregulates Tsp-4 expression in tenocytes to promote EC angiogenesis by targeting KLF6, which could be helpful for the treatment of tendinopathy in the future.
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Giai Via A, Papa G, Oliva F, Maffulli N. Tendinopathy. CURRENT PHYSICAL MEDICINE AND REHABILITATION REPORTS 2016. [DOI: 10.1007/s40141-016-0112-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Cai X, Cai M, Lou L. Identification of differentially expressed genes and small molecule drugs for the treatment of tendinopathy using microarray analysis. Mol Med Rep 2014; 11:3047-54. [PMID: 25502513 DOI: 10.3892/mmr.2014.3081] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2014] [Accepted: 11/25/2014] [Indexed: 01/18/2023] Open
Abstract
Tendinopathy is a critical clinical problem as it is often asymptomatic at onset and during development, and is only recognized upon rupture of the tendon. It is common among recreational and competitive athletes. The present study sought to examine the molecular mechanism of the progression of tendinopathy by screening out differentially expressed genes (DEGs) and investigating their functions. In addition, the present study aimed to identify the small molecules, which exhibit potential effects, which could be utilized for the treatment of tendinopathy. The gene expression profile of tendinopathy, GSE26051 was downloaded from the Gene Expression Omnibus database, which included 23 control samples and 18 samples of tendinopathy. The DEGs were identified using the Limma package in the R programming language, and gene ontology and pathway enrichment analysis were performed. In addition, the potential regulatory microRNAs and the target sites of the transcription factors were screened out based on the molecular signature database. In addition, the DEGs were mapped to the connectivity map database to identify the potential small molecule drugs. A total of 318 genes were filtered as DEGs between diseased samples and normal control tendons. Additionally, genes, including laminin, α4, platelet‑derived growth factor α, laminin γ1 and Src homology 2 transforming protein 1 may induce tendinopathy through the focal adhesion pathway. Furthermore, the transcription factor, lymphoid enhancer‑binding factor 1 and its target genes, pantothenate kinase 2 and G protein‑coupled receptor kinase 5 were identified. The most significant microRNA, miR‑499, was screened and was found to regulate specific genes, including CUGBP2 and MYB. Additionally, the small molecules, Prestwick‑1082 and viomycin were identified to have the potential to repair disordered metabolic pathways and furthermore to remedy tendinopathy. The results of the present study assessed the mechanism of tendinopathy and screened small molecule drugs as potential treatments for this condition. In addition, the present findings have the potential for use in a clinical setting for the treatment of tendinopathy in the future.
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Affiliation(s)
- Xinyu Cai
- Department of Orthopedics, Shanghai 10th People's Hospital, Tongji University, Shanghai 200072, P.R. China
| | - Ming Cai
- Department of Orthopedics, Shanghai 10th People's Hospital, Tongji University, Shanghai 200072, P.R. China
| | - Lieming Lou
- Department of Orthopedics, Shanghai 10th People's Hospital, Tongji University, Shanghai 200072, P.R. China
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Longo UG, Petrillo S, Berton A, Spiezia F, Loppini M, Maffulli N, Denaro V. Role of serum fibrinogen levels in patients with rotator cuff tears. Int J Endocrinol 2014; 2014:685820. [PMID: 24817887 PMCID: PMC4003788 DOI: 10.1155/2014/685820] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2013] [Accepted: 03/15/2014] [Indexed: 12/14/2022] Open
Abstract
Although rotator cuff (RC) tendinopathy is a frequent pathology of the shoulder, the real understanding of its aetiopathogenesis is still unclear. Several studies showed that RC tendinopathy is more frequent in patients with hyperglycemia, diabetes, obesity, or metabolic syndrome. This paper aims to evaluate the serum concentration of fibrinogen in patients with RC tears. Metabolic disorders have been related to high concentration of serum fibrinogen and the activity of fibrinogen has been proven to be crucial in the development of microvascular damage. Thus, it may produce progression of RC degeneration by reducing the vascular supply of tendons. We report the results of a cross-sectional frequency-matched case-control study comparing the serum concentration of fibrinogen of patients with RC tears with that of a control group of patients without history of RC tears who underwent arthroscopic meniscectomy. We choose to enrol in the control group patients with pathology of the lower limb with a likely mechanic, not metabolic, cause, different from tendon pathology. We found no statistically significant differences in serum concentration of fibrinogen when comparing patients with RC tears and patients who underwent arthroscopic meniscectomy (P = 0.5). Further studies are necessary to clarify the role of fibrinogen in RC disease.
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Affiliation(s)
- Umile Giuseppe Longo
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo 200, Trigoria, 00128 Rome, Italy
- Centro Integrato di Ricerca (CIR), Campus Bio-Medico University, Via Alvaro del Portillo 21, Trigoria, 00128 Rome, Italy
| | - Stefano Petrillo
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo 200, Trigoria, 00128 Rome, Italy
- Centro Integrato di Ricerca (CIR), Campus Bio-Medico University, Via Alvaro del Portillo 21, Trigoria, 00128 Rome, Italy
- *Stefano Petrillo:
| | - Alessandra Berton
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo 200, Trigoria, 00128 Rome, Italy
- Centro Integrato di Ricerca (CIR), Campus Bio-Medico University, Via Alvaro del Portillo 21, Trigoria, 00128 Rome, Italy
| | - Filippo Spiezia
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo 200, Trigoria, 00128 Rome, Italy
- Centro Integrato di Ricerca (CIR), Campus Bio-Medico University, Via Alvaro del Portillo 21, Trigoria, 00128 Rome, Italy
| | - Mattia Loppini
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo 200, Trigoria, 00128 Rome, Italy
- Centro Integrato di Ricerca (CIR), Campus Bio-Medico University, Via Alvaro del Portillo 21, Trigoria, 00128 Rome, Italy
| | - Nicola Maffulli
- Centre for Sports and Exercise Medicine, Mile End Hospital, Mann Ward, 275 Bancroft Road, London E1 4DG, UK
- Department of Musculoskeletal Medicine, University of Salerno, 84048 Salerno, Italy
| | - Vincenzo Denaro
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo 200, Trigoria, 00128 Rome, Italy
- Centro Integrato di Ricerca (CIR), Campus Bio-Medico University, Via Alvaro del Portillo 21, Trigoria, 00128 Rome, Italy
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Pruna R, Artells R, Ribas J, Montoro B, Cos F, Muñoz C, Rodas G, Maffulli N. Single nucleotide polymorphisms associated with non-contact soft tissue injuries in elite professional soccer players: influence on degree of injury and recovery time. BMC Musculoskelet Disord 2013; 14:221. [PMID: 23890452 PMCID: PMC3726514 DOI: 10.1186/1471-2474-14-221] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2013] [Accepted: 07/03/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The biological mechanisms involved in non-contact musculoskeletal soft tissue injuries (NCMSTI) are poorly understood. Genetic risk factors may be associated with susceptibility to injuries, and may exert marked influence on recovery times. METHODS Data on type and degree of injury and recovery time were collected in 73 male professional soccer players (43 White, 11 Black Africans and 19 Hispanics) who suffered total of 242 injuries (203 muscle, 24 ligament, and 15 tendon injuries). One single nucleotide polymorphism (SNPs) in the following genes were analyzed: Elastin (ELN); Titin (TTN); SRY-related HMG-box (SOX15); Insulin-like growth factor 2 (IGF2); Chemokine, CC motif, ligand 2 (CCL2); Collagen type 1 alpha 1(COL1A1); Collagen type 5 alpha 1 (COL5A1), and Tenascin C (TNC). RESULTS There was evidence of a statistically significant association between the degree of injury and the IGF2 genotype (P = 0.034). In addition, there was evidence of a statistically significant association between the degree of muscle injury and CCL2 (P = 0.026) Finally, there was evidence of a statistically significant association between ELN and degree of injury (p = 0.009) and recovery time (P = 0.043). There was no evidence of a statistically significant association between any of the genes studied and degree of injury or recovery time for tendon injuries. CONCLUSION SNPs in the IGF2, CCL2, and ELN genes may be associated to the degree and recovery time of NCMSTI.
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Abstract
Calcific tendinopathy (CT) of the tendons of the rotator cuff is common in white populations, with a reported prevalence varying from 2.7% to 22%, mostly affecting women between 30 and 50 years. Although CT shows a strong tendency toward self-healing by spontaneous resorption of the deposits, it does not always follow this typical pattern. The etiopathogenesis of CT is still unknown. Many pathogenetic theories have been proposed, and clinical associations between CT and diabetes and thyroid disorders have been reported. The choice of therapeutic approach should depend on the evolution of the condition.
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Reinking M. Tendinopathy in athletes. Phys Ther Sport 2011; 13:3-10. [PMID: 22261424 DOI: 10.1016/j.ptsp.2011.06.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2010] [Revised: 06/11/2011] [Accepted: 06/17/2011] [Indexed: 02/07/2023]
Abstract
Overuse related tendon pain is a significant problem in sport and can interfere with and, in some instances, end an athletic career. This article includes a consideration of the biology of tendon pain including a review of tendon anatomy and histopathology, risk factors for tendon pain, semantics of tendon pathology, and the pathogenesis of tendon pain. Evidence is presented to guide the physical therapist in clinical decision-making regarding the examination of and intervention strategies for athletes with tendon pain.
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Affiliation(s)
- Mark Reinking
- Saint Louis University, Department of Physical Therapy and Athletic Training, Doisy College of Health Sciences, 3437 Caroline Mall, Saint Louis, MO 63104, USA.
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Lower limb biomechanics during running in individuals with achilles tendinopathy: a systematic review. J Foot Ankle Res 2011; 4:15. [PMID: 21619710 PMCID: PMC3127828 DOI: 10.1186/1757-1146-4-15] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2010] [Accepted: 05/30/2011] [Indexed: 11/14/2022] Open
Abstract
Background Abnormal lower limb biomechanics is speculated to be a risk factor for Achilles tendinopathy. This study systematically reviewed the existing literature to identify, critique and summarise lower limb biomechanical factors associated with Achilles tendinopathy. Methods We searched electronic bibliographic databases (Medline, EMBASE, Current contents, CINAHL and SPORTDiscus) in November 2010. All prospective cohort and case-control studies that evaluated biomechanical factors (temporospatial parameters, lower limb kinematics, dynamic plantar pressures, kinetics [ground reaction forces and joint moments] and muscle activity) associated with mid-portion Achilles tendinopathy were included. Quality of included studies was evaluated using the Quality Index. The magnitude of differences (effect sizes) between cases and controls was calculated using Cohen's d (with 95% CIs). Results Nine studies were identified; two were prospective and the remaining seven case-control study designs. The quality of 9 identified studies was varied, with Quality Index scores ranging from 4 to 15 out of 17. All studies analysed running biomechanics. Cases displayed increased eversion range of motion of the rearfoot (d = 0.92 and 0.67 in two studies), reduced maximum lower leg abduction (d = -1.16), reduced ankle joint dorsiflexion velocity (d = -0.62) and reduced knee flexion during gait (d = -0.90). Cases also demonstrated a number of differences in dynamic plantar pressures (primarily the distribution of the centre of force), ground reaction forces (large effects for timing variables) and also showed reduced peak tibial external rotation moment (d = -1.29). Cases also displayed differences in the timing and amplitude of a number of lower limb muscles but many differences were equivocal. Conclusions There are differences in lower limb biomechanics between those with and without Achilles tendinopathy that may have implications for the prevention and management of the condition. However, the findings need to be interpreted with caution due to the limited quality of a number of the included studies. Future well-designed prospective studies are required to confirm these findings.
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Longo UG, Fazio V, Poeta ML, Rabitti C, Franceschi F, Maffulli N, Denaro V. Bilateral consecutive rupture of the quadriceps tendon in a man with BstUI polymorphism of the COL5A1 gene. Knee Surg Sports Traumatol Arthrosc 2010; 18:514-8. [PMID: 19956930 DOI: 10.1007/s00167-009-1002-y] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2009] [Accepted: 11/13/2009] [Indexed: 10/20/2022]
Abstract
A genetic component has been implicated in tendinopathies involving tendon rupture. Type V collagen, a quantitatively minor fibrillar collagen which forms heterotypic fibrils with type I collagen, plays a role in the regulation of the size and configuration of fibrils of the much more abundant component type I collagen. To date, no data on the genetic component of bilateral rupture of the quadriceps tendon have been reported. We describe the presence of BstUI polymorphism of the COL5A1 gene in a man with bilateral rupture of the quadriceps tendon. The COL5A1 (the variant rs12722, BstUI RFLP) can be a candidate gene associated with the development of bilateral quadriceps tendon rupture.
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Affiliation(s)
- Umile Giuseppe Longo
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Trigoria Rome, Italy
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Longo UG, Olivia F, Denaro V, Maffulli N. Oxygen species and overuse tendinopathy in athletes. Disabil Rehabil 2009; 30:1563-71. [DOI: 10.1080/09638280701785643] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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