Summary
Somatostatin, substance P, cyclic AMP and cyclic GMP were determined in the cerebrospinal fluid of patients with Huntington's disease, in first generation relatives of choreic patients and in neurological control patients. Substance P levels were not significantly altered, but somatostatin levels were markedly decreased both in affected patients and symptom-free offspring. Cyclic AMP was decreased only in patients with advanced stages of the disease while cyclic GMP was normal. Evidence is discussed which may support a role of somatostatin deficiency in the pathophysiology of chorea.
Zusammenfassung
Bei 12 Patienten mit Chorea Huntington und 7 Nachkommen aus Chorea-Familien wurden im lumbalen Liquor die Konzentrationen von Somatostatin, Substanz P, zyklischem Adenosinmonophosphat und zyklischem Guanosinmonophosphat radioimmunologisch bestimmt und mit Werten neurologischer Kontrollpatienten verglichen. Während die Konzentration von Substanz P sich in allen Gruppen nicht signifikant voneinander unterschieden, waren die Konzentrationen von Somatostatin bei Patienten mit manifester Chorea und bei den Nachkommen hochsignifikant vermindert. Zyklisches Adenosinmonophosphat war nur bei weit fortgeschrittener Chorea signifikant herabgesetzt. Mögliche Beziehungen der Somatostatin-Verminderung zur Pathophysiologie der Chorea und der Verminderung des zyklischen Nukleotids zur Hirnatrophie werden diskutiert.
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Cramer, H., Kohler, J., Oepen, G. et al. Huntington's chorea—Measurements of somatostatin, substance P and Cyclic nucleotides in the cerebrospinal fluid. J Neurol 225, 183–187 (1981). https://doi.org/10.1007/BF00313747
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DOI: https://doi.org/10.1007/BF00313747