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  • Title: Inversion of T/TMP ratio in ALS: a specific finding?
    Author: Poloni M, Mazzarello P, Patrini C, Pinelli P.
    Journal: Ital J Neurol Sci; 1986 Jun; 7(3):333-5. PubMed ID: 3015835.
    Abstract:
    Thiamine (T) and thiamine monophosphate (TMP) levels were determined by an electrophoretic fluorometric method in the CSF of patients with typical sporadic ALS (50 cases), in other motor neuron diseases (MND) (14 cases) and in patients with upper and/or lower motor neuron lesions of varying origin (disseminated sclerosis, polyneuropathy, spondylotic myelopathy). T/TMP ratio was greater than or equal to 1 in a high percentage of patients with typical sporadic ALS (94%), in 35.7% of cases with other MND, while it was below 1 in the all other patients. The decrease of TMP with the inversion of the T/TMP ratio is a finding highly specific to typical sporadic ALS.
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