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Inicio Medicina Clínica (English Edition) The impact of single nucleotide polymorphisms on patterns of non-contact musculo...
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Vol. 144. Issue 3.
Pages 105-110 (February 2015)
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Vol. 144. Issue 3.
Pages 105-110 (February 2015)
Original article
The impact of single nucleotide polymorphisms on patterns of non-contact musculoskeletal soft tissue injuries in a football player population according to ethnicity
Impacto de los polimorfismos de nucleótido único en los patrones de lesiones de tejido muscular esqueletico, sin mecanismo de contacto, en una población de jugadores de fútbol según la etnia
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Ricard Prunaa,1, Jordi Ribasb,c, Jose Bruno Montorod,c, Rosa Artellsb,1,
Corresponding author
rosa_artells@hotmail.com

Corresponding author.
a Futbol Club Barcelona Medical Services, Barcelona, Spain
b Human Anatomy and Embryology Unit, School of Medicine, University of Barcelona, Barcelona, Spain
c School of Sports Medicine, School of Medicine, University of Barcelona, Barcelona, Spain
d Department of Pharmacy and Pharmaceutical Technology, School of Pharmacy, University of Barcelona, Barcelona, Spain
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Tables (4)
Table 1. Genes examined with the position of each SNP.
Table 2. Number and site of injuries in the three ethnic groups studied.
Table 3. Genotypic frequencies observed in the present study. Data were similar to those observed in NCBI dbSNP for European (HapMap CEU), Black African (HapMap YRI) and Hispanic (HISP1) populations.
Table 4. Injury pattern among Whites (A) and Hispanics (B) according to genotype. No differences according to genotype were observed among the Black African population (see supplementary files).
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Abstract
Background and objective

The prevention, diagnosis, and management of non-contact musculoskeletal soft tissue injuries (NCMSTIs) related to participation in sports are key components of sport and exercise medicine. Epidemiological data have demonstrated the existence of interindividual differences in the severity of NCMSTIs, indicating that these injuries occur as a consequence of both extrinsic and intrinsic factors, including genetic variations.

Subjects and methods

We have collected data on NCMSTIs suffered by 73 elite players of White, black African and Hispanic ethnicity of European football over the course of three consecutive seasons. We have also examined eight single nucleotide polymorphisms (SNPs) in genes related to tissue recovery and tissue repair in blood drawn from the players and correlated our findings with type and severity of injuries in each ethnic group.

Results

The frequency of the SNPs varied among the three ethnic sub-groups (p<0.0001). Among Whites, a significant relationship was observed between ligament injuries and ELN (p=0.001) and between tendinous injuries and ELN (p=0.05) and IGF2 (p=0.05). Among Hispanics, there was a significant relation between muscle injuries and ELN (p=0.032) and IGF2 (p=0.016).

Conclusions

Interracial genotypic differences may be important in the study of NCMSTIs. A genetic profile based on SNPs may be useful tool to describe each individual's injuribility risk and provide specific treatment and preventive care for football players.

Keywords:
Single nucleotide polymorphisms (SNPs)
Ethnicity
Non-contact musculoskeletal soft tissue injuries
Resumen
Fundamento y objetivo

La prevención, el diagnóstico y el tratamiento de las non-contact musculoskeletal soft tissue injuries (NCMSTI, «lesiones musculoesqueléticas producidas por el mecanismo de no contacto») son factores clave en el deporte y en la medicina deportiva. La interacción entre factores extrínsecos e intrínsecos, incluyendo en estos últimos los factores genéticos, es determinante en la causalidad de las NCMSTI.

Sujetos y métodos

Se han recogido las lesiones sufridas por 73 jugadores de fútbol profesional de diferentes razas (caucásicos, africanos subsaharianos e hispánicos), ocurridas durante 3 temporadas consecutivas. Se analizó la presencia de single nucleotide polymorphisms (SNP, «polimorfismos genéticos de un solo nucleótido») en un conjunto de genes relacionados con la reparación y la regeneración del tejido a partir de sangre obtenida de los jugadores, y se correlacionó con el tipo y grado de lesión en cada grupo racial.

Resultados

La frecuencia de aparición de los SNP varía en las 3 poblaciones estudiadas (p<0,0001). En cuanto a la población caucásica, se observa una relación estadísticamente significativa entre lesiones ligamentosas y ELN (p=0,001) y entre lesión tendinosa y ELN (p=0,05) e IGF2 (p=0,05). En cuanto a la población hispánica, existe una relación estadísticamente significativa entre la lesión muscular y ELN (p=0,032) e IGF2 (p=0,016).

Conclusiones

Las diferencias genotípicas interraciales pueden ser importantes en el estudio de las NCMSTI. Un perfil genético basado en los SNP podría ser una herramienta útil para describir el riesgo individual de un individuo a lesionarse y poder aplicar de esta manera los tratamientos preventivos adecuados.

Palabras clave:
Polimorfismos genéticos de un solo nucleótico
Raza
Lesiones musculoesqueléticas producidas por el mecanismo de no contacto

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