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Carnitine transport in cultured muscle cells and skin fibroblasts from patients with primary systemic carnitine deficiency

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Summary

l-Carnitine transport was studied in cultured muscle cells and skin fibroblasts of patients with primary systemic carnitine deficiency and control subjects. In both cell culture types, two systems for carnitine transport were identified. The kinetic parameters for carnitine transport were remarkably similar in cultured muscle cells and skin fibroblasts. Normal rates and kinetic properties of carnitine transport were observed for both cell lines from patients with systemic carnitine deficiency. These studies do not rule out a defect in carnitine transport in vivo.

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Authors and Affiliations

  1. Neuromuscular Research Laboratory, Department of Neurology, Mayo Clinic and Mayo Foundation, 55905, Rochester, MN

    Charles J. Rebouche & Andrew G. Engel

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  1. Charles J. Rebouche
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  2. Andrew G. Engel
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Additional information

This study was supported by research grants AM27451 and NS06277 from the National Institutes of Health and by a Research Center Grant from the Muscular Dystrophy Association.

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Rebouche, C.J., Engel, A.G. Carnitine transport in cultured muscle cells and skin fibroblasts from patients with primary systemic carnitine deficiency. In Vitro Cell.Dev.Biol.-Plant 18, 495–500 (1982). https://doi.org/10.1007/BF02796479

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  • DOI: https://doi.org/10.1007/BF02796479

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