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  • Title: REM sleep dependent release of vasotocin into cerebrospinal fluid of narcoleptics.
    Author: Popoviciu L, Corfariu O, Földes A, Farkas E, Goldstein R, Pavel S.
    Journal: Waking Sleeping; 1979; 3(4):341-6. PubMed ID: 232795.
    Abstract:
    The lumbar cerebrospinal fluid (CSF) collected from 6 narcoleptic patients (three males and three females) aged between 31 and 47 years, as well as from 2 patients having Pickwickian syndromes with hypersomnia attacks (two males), aged 43-51 years, contained relatively high amounts of arginine vasotocin (AVT) only if the CSF was removed after a REM sleep period. The release was not induced by darkness since the same release of AVT occurred when the CSF was removed after a REM sleep period during daylight hours. No detectable AVT levels have been found in the CSF samples of four narcoleptics collected after a NREM period of sleep, either during night or daylight hours. The present results suggest a possible alteration of the rhythmical release of AVT both in narcolepsy and in narcoleptic syndromes.
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