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Cohen C, Figueiredo EA, Belangero PS, Andreoli CV, Leal MF, Ejnisman B. Genetic Aspects in Shoulder Disorders. Rev Bras Ortop 2020; 55:537-542. [PMID: 33093716 PMCID: PMC7575388 DOI: 10.1055/s-0040-1702955] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Accepted: 11/12/2019] [Indexed: 12/17/2022] Open
Abstract
The influence of genetic inheritance has been increasingly investigated in shoulder disorders, such as rotator cuff injury, instability and frozen shoulder. Although the initial findings are enlightening, it is necessary to progressively build a database of genetic markers to catalog genomic profiles that, later, may contribute for predicting the risk of the disease, as well as to the development of better diagnostic and treatment tools. The present article seeks to update what is evidence of genetic studies in the literature for these diseases, from polymorphism analyses, expression of candidate genes in tissues and broad genomic association studies (GWAS). However, it is necessary to point out that there is great difficulty in replicating and using the findings, mainly due to the lack of statistical power, the high rate of false-positive results and the large number of variables involved.
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Affiliation(s)
- Carina Cohen
- Disciplina de Medicina do Esporte e Atividade Física , Centro de Traumatologia do Esporte, Universidade Federal de São Paulo, São Paulo, SP, Brasil
| | - Eduardo A. Figueiredo
- Disciplina de Medicina do Esporte e Atividade Física , Centro de Traumatologia do Esporte, Universidade Federal de São Paulo, São Paulo, SP, Brasil
| | - Paulo S. Belangero
- Disciplina de Medicina do Esporte e Atividade Física , Centro de Traumatologia do Esporte, Universidade Federal de São Paulo, São Paulo, SP, Brasil
| | - Carlos Vicente Andreoli
- Disciplina de Medicina do Esporte e Atividade Física , Centro de Traumatologia do Esporte, Universidade Federal de São Paulo, São Paulo, SP, Brasil
| | - Mariana Ferreira Leal
- Departamento de Morfologia e Genética, Universidade Federal de São Paulo, São Paulo, SP, Brasil
| | - Benno Ejnisman
- Disciplina de Medicina do Esporte e Atividade Física , Centro de Traumatologia do Esporte, Universidade Federal de São Paulo, São Paulo, SP, Brasil
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Abstract
PURPOSE OF REVIEW The purpose of this review is to outline the natural history and best clinical practices for nonoperative management of anterior shoulder instability. RECENT FINDINGS Recent studies continue to demonstrate a role for nonoperative treatment in the successful long-term management of anterior glenohumeral instability. The success of different positions of shoulder immobilization is reviewed as well. There are specific patients who may be best treated with nonoperative means after anterior glenohumeral instability. There are also patients who are not good nonoperative candidates based on a number of factors that are outlined in this review. There continues to be no definitive literature regarding the return to play of in-season athletes. Successful management requires a thorough understanding of the epidemiology, pathoanatomy, history, physical examination, diagnostic imaging modalities, and natural history of operative and nonoperative treatment.
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Affiliation(s)
- Tanujan Thangarajah
- John Scales Centre for Biomedical Engineering, Institute of Orthopaedics and Musculoskeletal Science, Division of Surgery and Interventional Science, University College London, Royal National Orthopaedic Hospital, Stanmore, HA7 4LP, UK
| | - Simon Lambert
- Shoulder and Elbow Service, Royal National Orthopaedic Hospital, Stanmore, UK
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Belangero PS, Leal MF, Figueiredo EA, Cohen C, Andreoli CV, Smith MC, Pochini ADC, Ejnisman B, Cohen M. Differential expression of extracellular matrix genes in glenohumeral capsule of shoulder instability patients. Connect Tissue Res 2016; 57:290-8. [PMID: 27093129 DOI: 10.3109/03008207.2016.1173034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Anterior shoulder instability is a common orthopedic problem. After a traumatic shoulder dislocation, patients present a plastic deformation of the capsule. The shoulder instability biology remains poorly understood. We evaluated the expression of genes that encode the cartilage oligomeric matrix protein (COMP), fibronectin 1 (FN1), tenascin C (TNC) and tenascin XB (TNXB) in the glenohumeral capsule of anterior shoulder instability patients and controls. Moreover, we investigated the associations between gene expression and clinical parameters. The gene expression was evaluated by quantitative reverse transcription-polymerase chain reaction in the antero-inferior (macroscopically injured region), antero-superior and posterior regions of the capsule of 29 patients with shoulder instability and 8 controls. COMP expression was reduced and FN1 and TNC expression was increased in the antero-inferior capsule region of cases compared to controls (p < 0.05). TNC expression was increased in the posterior capsule portion of shoulder instability patients (p = 0.022). COMP expression was reduced in the antero-inferior region compared to the posterior region of shoulder instability patients (p = 0.007). In the antero-inferior region, FN1 expression was increased in the capsule of patients with more than one year of symptoms (p = 0.003) and with recurrent dislocations (p = 0.004) compared with controls. FN1 and TNXB expression was correlated with the duration of symptoms in the posterior region (p < 0.05). Thus, COMP, FN1, TNC and TNXB expression was altered across the capsule of shoulder instability patients. Dislocation episodes modify FN1, TNC and TNXB expression in the injured tissue. COMP altered expression may be associated with capsule integrity after shoulder dislocation, particularly in the macroscopically injured portion.
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Affiliation(s)
- Paulo Santoro Belangero
- a Departamento de Ortopedia e Traumatologia , Universidade Federal de São Paulo , São Paulo , Brazil
| | - Mariana Ferreira Leal
- a Departamento de Ortopedia e Traumatologia , Universidade Federal de São Paulo , São Paulo , Brazil.,b Departamento de Morfologia e Genética , Universidade Federal de São Paulo , São Paulo , Brazil
| | | | - Carina Cohen
- a Departamento de Ortopedia e Traumatologia , Universidade Federal de São Paulo , São Paulo , Brazil
| | - Carlos Vicente Andreoli
- a Departamento de Ortopedia e Traumatologia , Universidade Federal de São Paulo , São Paulo , Brazil
| | - Marília Cardoso Smith
- b Departamento de Morfologia e Genética , Universidade Federal de São Paulo , São Paulo , Brazil
| | - Alberto de Castro Pochini
- a Departamento de Ortopedia e Traumatologia , Universidade Federal de São Paulo , São Paulo , Brazil
| | - Benno Ejnisman
- a Departamento de Ortopedia e Traumatologia , Universidade Federal de São Paulo , São Paulo , Brazil
| | - Moises Cohen
- a Departamento de Ortopedia e Traumatologia , Universidade Federal de São Paulo , São Paulo , Brazil
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Cohen C, Leal MF, Belangero PS, Figueiredo EA, Smith MC, Andreoli CV, de Castro Pochini A, Cohen M, Ejnisman B, Faloppa F. The roles of Tenascin C and Fibronectin 1 in adhesive capsulitis: a pilot gene expression study. Clinics (Sao Paulo) 2016; 71:325-31. [PMID: 27438566 PMCID: PMC4930668 DOI: 10.6061/clinics/2016(06)07] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Accepted: 03/21/2016] [Indexed: 01/06/2023] Open
Abstract
OBJECTIVES We evaluated mRNA expression levels of genes that encode TGF-β1; the TGF-β1 receptor; the collagen-modifying enzymes LOX, PLOD1, and PLOD2; and the extracellular matrix proteins COMP, FN1, TNC and TNXB in synovial/capsule specimens from patients with idiopathic adhesive capsulitis. Possible associations between the measured mRNA levels and clinical parameters were also investigated. METHODS We obtained glenohumeral joint synovium/capsule specimens from 9 patients with idiopathic adhesive capsulitis who had not shown improvement in symptoms after 5 months of physiotherapy. Adhesive capsulitis was confirmed in all patients by magnetic resonance imaging. We also obtained specimens from 8 control patients who had underwent surgery for acute acromioclavicular joint dislocation and who had radiological indication of glenohumeral capsule alteration based on arthroscopic evaluation. mRNA expression in the synovium/capsule specimens was analyzed by quantitative reverse transcription PCR. The B2M and HPRT1 genes were used as references to normalize target gene expression in the shoulder tissue samples. RESULTS The synovium/capsule samples from the patients with adhesive capsulitis had significantly higher TNC and FN1 expression than those from the controls. Additionally, symptom duration directly correlated with expression of TGFβ1 receptor I. CONCLUSION Elevated levels of TNC and FN1 expression may be a marker of capsule injury. Upregulation of TGFβ1 receptor I seems to be dependent on symptom duration; therefore, TGFβ signaling may be involved in adhesive capsulitis. As such, TNC, FN1 and TGFβ1 receptor I may also play roles in adhesive capsulitis by contributing to capsule inflammation and fibrosis.
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Affiliation(s)
- Carina Cohen
- Universidade Federal de São Paulo, Departamento de Ortopedia e Traumatologia
- #contributed equally to this work
| | - Mariana Ferreira Leal
- Universidade Federal de São Paulo, Departamento de Ortopedia e Traumatologia
- Departamento de Morfologia e Genética, Disciplina de Genética, São Paulo/SP, Brazil
- E-mail:
| | | | | | | | | | | | - Moises Cohen
- Universidade Federal de São Paulo, Departamento de Ortopedia e Traumatologia
| | - Benno Ejnisman
- Universidade Federal de São Paulo, Departamento de Ortopedia e Traumatologia
| | - Flávio Faloppa
- Universidade Federal de São Paulo, Departamento de Ortopedia e Traumatologia
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Belangero PS, Leal MF, Cohen C, Figueiredo EA, Smith MC, Andreoli CV, de Castro Pochini A, Ejnisman B, Cohen M. Expression analysis of genes involved in collagen cross-linking and its regulation in traumatic anterior shoulder instability. J Orthop Res 2016; 34:510-7. [PMID: 26185036 DOI: 10.1002/jor.22984] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Accepted: 07/14/2015] [Indexed: 02/04/2023]
Abstract
The molecular alterations involved in the capsule deformation presented in shoulder instability patients are poorly understood. Increased TGFβ1 acts as a signal for production of matrix macromolecules by fibrogenic cells at joint injury sites. TGFβ1, through its receptor TGFβR1, regulates genes involved in collagen cross-linking, such as LOX, PLOD1, and PLOD2. We evaluated TGFβ1, TGFβR1, LOX, PLOD1, and PLOD2 gene expression in the antero-inferior (macroscopically injured region), antero-superior and posterior regions of the glenohumeral capsule of 29 shoulder instability patients and eight controls. We observed that PLOD2 expression was increased in the anterior-inferior capsule region of the patients compared to controls. LOX expression tended to be increased in the posterior portion of patients. Patients with recurrent shoulder dislocation presented upregulation of TGFβR1 in the antero-inferior capsule portion and of PLOD2 in the posterior region. Conversely, LOX was increased in the posterior portion of the capsule of patients with a single shoulder dislocation episode. In the antero-inferior, LOX expression was inversely correlated and TGFβR1 was directly correlated with the duration of symptoms. In the posterior region, PLOD2, TGFβ1, and TGFβR1 were directly correlated with the duration of symptoms. In conclusion, PLOD2 expression was increased in the macroscopically injured region of the capsule of patients. Upregulation of TGFβ1, TGFβR1, and PLOD2 seems to be related with the maintenance of disease symptoms, especially in the posterior region. LOX upregulation seems to occur only in the initial phase of the affection. Therefore, TGFβ1, TGFβR1, LOX, and PLOD2 may play a role in shoulder instability.
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Affiliation(s)
- Paulo Santoro Belangero
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, São Paulo, 04038-031, Brazil
| | - Mariana Ferreira Leal
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, São Paulo, 04038-031, Brazil.,Disciplina de Genética, Departamento de Morfologia e Genética, Universidade Federal de São Paulo, São Paulo, São Paulo, 04023-001, Brazil
| | - Carina Cohen
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, São Paulo, 04038-031, Brazil
| | - Eduardo Antônio Figueiredo
- Disciplina de Genética, Departamento de Morfologia e Genética, Universidade Federal de São Paulo, São Paulo, São Paulo, 04023-001, Brazil
| | - Marília Cardoso Smith
- Disciplina de Genética, Departamento de Morfologia e Genética, Universidade Federal de São Paulo, São Paulo, São Paulo, 04023-001, Brazil
| | - Carlos Vicente Andreoli
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, São Paulo, 04038-031, Brazil
| | - Alberto de Castro Pochini
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, São Paulo, 04038-031, Brazil
| | - Benno Ejnisman
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, São Paulo, 04038-031, Brazil
| | - Moises Cohen
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, São Paulo, 04038-031, Brazil
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Leal MF, Belangero PS, Figueiredo EA, Cohen C, Loyola LC, Andreoli CV, Smith MC, de Castro Pochini A, Ejnisman B, Cohen M. Identification of suitable reference genes for gene expression studies in tendons from patients with rotator cuff tear. PLoS One 2015; 10:e0118821. [PMID: 25768100 PMCID: PMC4358921 DOI: 10.1371/journal.pone.0118821] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Accepted: 01/09/2015] [Indexed: 01/17/2023] Open
Abstract
Rotator cuff tear is one of the most common causes of shoulder dysfunction. Gene expression analysis may be a useful tool for understanding tendon tears and the failure of cuff healing, and reverse-transcription quantitative polymerase chain reaction (RT-qPCR) has become an effective method for such studies. However, this technique requires the use of suitable reference genes for data normalization. Here, we evaluate the suitability of six reference genes (18S, ACTB, B2M, GAPDH, HPRT1 and TBP) using samples from the rotator cuff tendons of 28 individuals with tendon tears (3 tendons regions) and 8 controls (2 tendon regions); for the tear patients, we evaluated ruptured and non-ruptured tendon samples. The stability of the candidate reference genes was determined using the NormFinder, geNorm, BestKeeper and DataAssist software packages. Overall, HPRT1 was the best single reference gene, and HPRT1+TBP composed the best pair and HPRT1+TBP+ACTB composed the best trio of reference genes from the analysis of different groups, including the simultaneous analysis of all tissue samples. To identify the optimal combination of reference genes, we evaluated the expression of COL1A1 and COL3A1, and no obvious differences were observed when using 2, 3 or 4 reference genes for most of the analyses. However, COL3A1 expression differed between ruptured and non-ruptured (posterior superior region) tendons of patients only when normalized by HPRT1+TBP+B2M and HPRT1+TBP. On the other hand, the comparison between these two groups using the best trio of reference genes (HPRT1+TBP+ACTB) and 4 reference genes did not revealed a significant difference in COL3A1 expression. Consequently, the use of suitable reference genes for a reliable gene expression evaluation by RT-qPCR should consider the type of tendon samples investigated. HPRT1+TBP+ACTB seems to be the best combination of reference genes for the analysis of involving different tendon samples of individuals with rotator cuff tears.
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Affiliation(s)
- Mariana Ferreira Leal
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, SP, Brazil
- Disciplina de Genética, Departamento de Morfologia e Genética, Universidade Federal de São Paulo, São Paulo, SP, Brazil
- * E-mail:
| | - Paulo Santoro Belangero
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | | | - Carina Cohen
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Leonor Casilla Loyola
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, SP, Brazil
- Disciplina de Genética, Departamento de Morfologia e Genética, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Carlos Vicente Andreoli
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Marília Cardoso Smith
- Disciplina de Genética, Departamento de Morfologia e Genética, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | | | - Benno Ejnisman
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Moises Cohen
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, São Paulo, SP, Brazil
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