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  • Title: Primary headaches: reduced circulating beta-lipotropin and beta-endorphin levels with impaired reactivity to acupuncture.
    Author: Facchinetti F, Nappi G, Savoldi F, Genazzani AR.
    Journal: Cephalalgia; 1981 Dec; 1(4):195-201. PubMed ID: 6290071.
    Abstract:
    Eleven patients affected by common migraine (CM), eleven affected by daily chronic headache (DCH), and eight healthy volunteers were studied. Plasma levels of beta-endorphin (beta EP), beta-lipotropin (beta LPH). ACTH and cortisol were measured in basal conditions and after traditional Chinese acupuncture (TCA). Basal beta LPH and beta EP plasma levels (pg/ml) in the DCH patients (57.6 +/- 9.5 and 16.8 +/- 2.5, respectively; M +/- SE) were lower than those found in the controls (83.6 +/- 13.7 and 26.0 +/- 6.1; p less than 0.001), while those found in the CM cases showed inter-mediate values (75.3 +/- 12.0 and 24.4 +/- 5.8). ACTH and cortisol concentrations in both the CM and DCH patients were in the same range as those of the control group. TCA caused an increase in beta LPH and beta EP plasma concentrations in the control group (beta LPH: 117 +/- 16.9; beta EP: 44.1 +/- 6.7). Opioid plasma levels, however, remained unmodified after TCA in both the CM and DCH groups. ACTH plasma levels remained stable after TCA in all three subject groups. Patients suffering from primary headache are characterized by low beta LPH and beta EP plasma levels and by a poor reactivity of circulating opioids to non-stressful stimuli.
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