Analysis of skeletal muscle function in the C57BL6/SV129 syncoilin knockout mouse

K.J.A. Mccullagh, B. Edwards, Matthew Kemp, L.C. Giles, M. Burgess, K.E. Davies

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Syncoilin is a 64-kDa intermediate filamentprotein expressed in skeletal muscle and enriched atthe perinucleus, sarcolemma, and myotendinous andneuromuscular junctions. Due to its pattern of cellularlocalization and binding partners, syncoilin is an idealcandidate to be both an important structural component ofmyocytes and a potential mediator of inherited myopathies.Here we present a report of a knockout mouse model forsyncoilin and the results of an investigation into the effectof a syncoilin null state on striated muscle function in 6–8-week-old mice. An analysis of proteins known to associatewith syncoilin showed that ablation of syncoilin had noeffect on absolute expression or spatial localization ofdesmin or alpha dystrobrevin. Our syncoilin-null animalexhibited no differences in cardiotoxin-induced muscleregeneration, voluntary wheel running, or enforced treadmillexercise capacity, relative to wild-type controls.Finally, a mechanical investigation of isolated soleus andextensor digitorum longus indicated a potential differentialreduction in muscle strength and resilience. We are the firstto present data identifying an increased susceptibility tomuscle damage in response to an extended forced exerciseregime in syncoilin-deficient muscle. This study establishesa second viable syncoilin knockout model and highlightsthe importance of further investigations to determine therole of syncoilin in skeletal muscle.
Original languageEnglish
Pages (from-to)339-351
JournalMammalian Genome
Volume19
Issue number5
DOIs
Publication statusPublished - 2008

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Knockout Mice
Skeletal Muscle
Cardiotoxins
Sarcolemma
Striated Muscle
Muscle Strength
Muscular Diseases
Running
Muscles
Proteins
dystrobrevin

Cite this

Mccullagh, K. J. A., Edwards, B., Kemp, M., Giles, L. C., Burgess, M., & Davies, K. E. (2008). Analysis of skeletal muscle function in the C57BL6/SV129 syncoilin knockout mouse. Mammalian Genome, 19(5), 339-351. https://doi.org/10.1007/s00335-008-9120-2
Mccullagh, K.J.A. ; Edwards, B. ; Kemp, Matthew ; Giles, L.C. ; Burgess, M. ; Davies, K.E. / Analysis of skeletal muscle function in the C57BL6/SV129 syncoilin knockout mouse. In: Mammalian Genome. 2008 ; Vol. 19, No. 5. pp. 339-351.
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Mccullagh, KJA, Edwards, B, Kemp, M, Giles, LC, Burgess, M & Davies, KE 2008, 'Analysis of skeletal muscle function in the C57BL6/SV129 syncoilin knockout mouse' Mammalian Genome, vol. 19, no. 5, pp. 339-351. https://doi.org/10.1007/s00335-008-9120-2

Analysis of skeletal muscle function in the C57BL6/SV129 syncoilin knockout mouse. / Mccullagh, K.J.A.; Edwards, B.; Kemp, Matthew; Giles, L.C.; Burgess, M.; Davies, K.E.

In: Mammalian Genome, Vol. 19, No. 5, 2008, p. 339-351.

Research output: Contribution to journalArticle

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AU - Mccullagh, K.J.A.

AU - Edwards, B.

AU - Kemp, Matthew

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AU - Burgess, M.

AU - Davies, K.E.

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AB - Syncoilin is a 64-kDa intermediate filamentprotein expressed in skeletal muscle and enriched atthe perinucleus, sarcolemma, and myotendinous andneuromuscular junctions. Due to its pattern of cellularlocalization and binding partners, syncoilin is an idealcandidate to be both an important structural component ofmyocytes and a potential mediator of inherited myopathies.Here we present a report of a knockout mouse model forsyncoilin and the results of an investigation into the effectof a syncoilin null state on striated muscle function in 6–8-week-old mice. An analysis of proteins known to associatewith syncoilin showed that ablation of syncoilin had noeffect on absolute expression or spatial localization ofdesmin or alpha dystrobrevin. Our syncoilin-null animalexhibited no differences in cardiotoxin-induced muscleregeneration, voluntary wheel running, or enforced treadmillexercise capacity, relative to wild-type controls.Finally, a mechanical investigation of isolated soleus andextensor digitorum longus indicated a potential differentialreduction in muscle strength and resilience. We are the firstto present data identifying an increased susceptibility tomuscle damage in response to an extended forced exerciseregime in syncoilin-deficient muscle. This study establishesa second viable syncoilin knockout model and highlightsthe importance of further investigations to determine therole of syncoilin in skeletal muscle.

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