Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0020505 (hyperphagia)
 6,116 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Evidence suggests that endogenous sugar acids 3,4-dihydroxybutanoic acid (2-deoxytetronic acid, 2-DTA) and 2,4,5-trihydroxypentanoic acid (3-deoxypentonic acid, 3-DPA) may participate in the regulation of feeding. To study the effect of 2-buten-4-olide, a 2-DTA synthetic derivative, on food intake, male Wistar rats were subjected to various applications. Intraperitoneal administration of 2-buten-4-olide in doses of 30 to 100 mg/kg, decreased food intake dose-dependently by reducing meal frequency, meal size and eating rate, and prolonging meal duration, latency to eat the first meal after injection and post-prandial intermeal intervals. Drinking patterns and locomotor activity were not significantly affected. Administration of 2-buten-4-olide intragastrically in doses of 50 to 300 mg/kg, and intra-third cerebroventricularly in doses of 1.2 to 5.0 mumol/rat, dose-dependently reduced food intake. This and previous evidence suggest that: 2-DTA and its derivatives that share its bioactive components suppress food intake in the rat; They might represent a new category of potential therapeutic agents for hyperphagia and obesity.
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PMID:Endogenous sugar acid derivative acting as a feeding suppressant. 378 17

Antiepileptic drugs (AEDs) require daily ingestion for maximal seizure prophylaxis. Adverse psychiatric consequences of AEDs present as: (i) reversible changes in mood, anxiety, anger and/or irritability that often necessitate drug discontinuation, and (ii) autism and/or cognitive/psychomotor delays following fetal exposure. Technical advances in quantifying naturalistic rodent behaviors may provide sensitive preclinical estimates of AED psychiatric tolerability and neuropsychiatric teratogenicity. In this study, we applied instrumented home-cage monitoring to assess how valproic acid (VPA, dissolved in sweetened drinking water) alters home-cage behavior in adult C57BL/6J mice and in the adult offspring of VPA-exposed breeder pairs. Through a pup open field assay, we also examined how prenatal VPA exposure impacts early spontaneous exploratory behavior. At 500-600 mg/kg/d, chronic VPA produced hyperphagia and increased wheel-running without impacting sleep, activity and measures of risk aversion. When applied to breeder pairs of mice throughout gestation, VPA prolonged the latency to viable litters without affecting litter size. Two-weeks old VPA-exposed pups displayed open field hypoactivity without alterations in thigmotaxis. As adults, prenatal VPA-exposed mice displayed active state fragmentation, hypophagia and increased wheel running, together with subtle alterations in home-cage dyadic behavior. Together, these data illustrate how automated home-cage assessments of spontaneous behavior capture an ethologically centered psychopharmacological profile of enterally administered VPA that is aligned with human clinical experience. By characterizing the effects of pangestational VPA exposure, we discover novel murine expressions of pervasive neurodevelopment. Incorporating such rigorous assessments of psychological tolerability may inform the design of future AEDs with improved neuropsychiatric safety profiles, both for patients and their offspring.
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PMID:On the Digital Psychopharmacology of Valproic Acid in Mice. 3324 40