Citius and longius (faster and longer) with no α-actinin-3 in skeletal muscles?

Lucía Mulas, Alejandro; Oliván Mallén, Jesús; Gómez Gallego, Félix; Santiago Dorrego, Catalina; Montil Jiménez, Marta Matilde; Foster, Carl

doi:10.1136/bjsm.2006.034199

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Citius and longius (faster and longer) with no α-actinin-3 in skeletal muscles?

Lucía Mulas, Alejandro; Oliván Mallén, Jesús; Gómez Gallego, Félix; Santiago Dorrego, Catalina; Montil Jiménez, Marta Matilde; Foster, Carl

Use este identificador para citar o enlazar este ítem: http://hdl.handle.net/11268/5459

Fecha: 2007

Materia UNESCO: Genética humana
Materia UNESCO: Deportes

Tipo: article

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Resumen:

The muscle protein α-actinin-3 (ACTN3) is normally thought to be expressed in type II muscle fibres and to be necessary for high-power, high-velocity muscle contractions, such as those typically seen in speed/power athletes. The authors report the case of a Spanish elite long jumper (two times Olympian, personal best of 8.26 m) whose genotype for the ACTN3 gene is 577XX (ACTN3 deficient). These data suggest that there might be notable exceptions to the concept that ACTN3 is the “gene for speed”.

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