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Related Experiment Videos

Carnitine-palmityl-transferase deficiency.

W J Cumming, M Hardy, P Hudgson

    Journal of the Neurological Sciences
    |December 1, 1976
    PubMed
    Summary
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    Carnitine palmityl transferase deficiency can cause muscle cramps and myoglobinuria. A high carbohydrate diet helped a patient with this condition, suppressing exercise-induced symptoms.

    Area of Science:

    • Biochemistry
    • Muscle Physiology
    • Metabolic Myopathies

    Background:

    • Disordered lipid metabolism causes myopathies, categorized by clinical and biochemical profiles.
    • Carnitine deficiency leads to progressive proximal weakness, sometimes responsive to steroids.
    • Carnitine palmityl transferase deficiency presents with exertional cramps and myoglobinuria.

    Observation:

    • A patient with documented carnitine palmityl transferase deficiency experienced symptoms triggered by intense exercise after fasting.
    • Muscle biopsy revealed variable lipid accumulation and ultrastructural changes.
    • The patient's symptoms were mitigated by a high-carbohydrate diet.

    Findings:

    • This case highlights a specific presentation of carnitine palmityl transferase deficiency.

    Related Experiment Videos

  • Exercise and fasting can precipitate symptoms in susceptible individuals.
  • Dietary modification, specifically high carbohydrate intake, can manage symptoms.

    • Implications:

    • Understanding metabolic pathways is crucial for diagnosing and managing myopathies.
    • Dietary interventions show promise for treating certain metabolic myopathies.
    • Further research into lipid metabolism disorders in muscle is warranted.