Marked decrease of plasma neuroactive steroids during alcohol withdrawal. 1996

E Romeo, and A Brancati, and A De Lorenzo, and P Fucci, and C Furnari, and E Pompili, and G F Sasso, and G Spalletta, and A Troisi, and A Pasini
Department of Physiology, Tor Vergata University, Rome, Italy.

The neuroactive steroids allopregnanolone (ALLO) and allotet-rahydrodeoxycorticosterone (THDOC) are the most potent endogens positive modulators of gamma-aminobutyric acid (GABA) on GABAA receptors, a receptor system presumably responsible for some behavioral responses to alcohol withdrawal. In a group of nine alcoholic subjects, the levels of plasma ALLO and THDOC were markedly lower than those of control subjects during the early withdrawal phase (day 4 and 5), when anxiety and depression scores were higher. In contrast ALLO and THDOC plasma levels did not differ from those of control subjects during the late withdrawal phase when anxiety and depression scores were low. These results suggest that the decrease of neuroactive steroid biosynthesis may contribute to the withdrawal symptoms.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000431 Ethanol A clear, colorless liquid rapidly absorbed from the gastrointestinal tract and distributed throughout the body. It has bactericidal activity and is used often as a topical disinfectant. It is widely used as a solvent and preservative in pharmaceutical preparations as well as serving as the primary ingredient in ALCOHOLIC BEVERAGES. Alcohol, Ethyl,Absolute Alcohol,Grain Alcohol,Alcohol, Absolute,Alcohol, Grain,Ethyl Alcohol
D001007 Anxiety Feelings or emotions of dread, apprehension, and impending disaster but not disabling as with ANXIETY DISORDERS. Angst,Anxiousness,Hypervigilance,Nervousness,Social Anxiety,Anxieties, Social,Anxiety, Social,Social Anxieties
D013256 Steroids A group of polycyclic compounds closely related biochemically to TERPENES. They include cholesterol, numerous hormones, precursors of certain vitamins, bile acids, alcohols (STEROLS), and certain natural drugs and poisons. Steroids have a common nucleus, a fused, reduced 17-carbon atom ring system, cyclopentanoperhydrophenanthrene. Most steroids also have two methyl groups and an aliphatic side-chain attached to the nucleus. (From Hawley's Condensed Chemical Dictionary, 11th ed) Steroid,Catatoxic Steroids,Steroids, Catatoxic
D013375 Substance Withdrawal Syndrome Physiological and psychological symptoms associated with withdrawal from the use of a drug after prolonged administration or habituation. The concept includes withdrawal from smoking or drinking, as well as withdrawal from an administered drug. Drug Withdrawal Symptoms,Withdrawal Symptoms,Drug Withdrawal Symptom,Substance Withdrawal Syndromes,Symptom, Drug Withdrawal,Symptom, Withdrawal,Symptoms, Drug Withdrawal,Symptoms, Withdrawal,Syndrome, Substance Withdrawal,Syndromes, Substance Withdrawal,Withdrawal Symptom,Withdrawal Symptom, Drug,Withdrawal Symptoms, Drug,Withdrawal Syndrome, Substance,Withdrawal Syndromes, Substance

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