WFRF:(Holmberg Ellinor)
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03647naa a2200409 4500 | |
| 001 | oai:DiVA.org:umu-79224 | |
| 003 | SwePub | |
| 008 | 130813s2013 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-792242 URI |
| 024 | 7 | a https://doi.org/10.1111/apha.121002 DOI |
| 040 | a (SwePub)umu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Holmberg, Ellinoru Umeå universitet,Obstetrik och gynekologi,UNC4 aut0 (Swepub:umu)elrhog00 |
| 245 | 1 0 | a Allopregnanolone induces a diurnally dependent hyperphagic effect and alters feeding latency and duration in male Wistar rats |
| 264 | c 2013-04-17 | |
| 264 | 1 | b John Wiley & Sons,c 2013 |
| 338 | a print2 rdacarrier | |
| 520 | a Aim: Gamma-aminobutyric acid (GABA)-ergic transmission from the hypothalamus is essential for normal feeding regulation, and hyperphagia can be induced by local application of GABA(A)-receptor agonists to different feeding-associated brain areas. The food intake in rats varies diurnally and that may influence the effect of GABA(A)-receptor active compounds. The progesterone metabolite allopregnanolone is a highly potent endogenous positive modulator of the GABA(A) receptor. Therefore, it is easy to envisage that allopregnanolone would have a hyperphagic effect, but earlier reports in rat have given ambiguous results. However, a contributing factor for the discrepancy may be the time point of the diurnal cycle in which the experiments were performed. The aim of this study was to investigate the effect of allopregnanolone on intake of standard chow in male Wistar rats at different time points of the day.Methods: Chow intake was measured after acute administration of allopregnanolone, and feeding behaviour was analysed to detect meal patterns.Results: We found that allopregnanolone increased chow intake by up to four times in the dark part of the 24-h cycle. The rats ate significantly more, and the effect of allopregnanolone was more prominent in the active (dark) compared with the inactive (light) period. Allopregnanolone also reduced feeding latency and prolonged the meal duration compared with vehicle.Conclusion: Allopregnanolone seems to act at several levels of feeding regulation, that is, to initiate feeding and to prolong the duration of a meal, thereby increasing the meal size, especially in the dark period of the 24-h cycle. | |
| 650 | 7 | a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Reproduktionsmedicin och gynekologi0 (SwePub)302202 hsv//swe |
| 650 | 7 | a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Obstetrics, Gynaecology and Reproductive Medicine0 (SwePub)302202 hsv//eng |
| 653 | a allopregnanolone | |
| 653 | a diurnal rhythm | |
| 653 | a food intake | |
| 653 | a Gamma-aminobutyric acid | |
| 653 | a hyperphagia | |
| 653 | a neurosteroids | |
| 700 | 1 | a Bäckström, Torbjörn,d 1948-u Umeå universitet,Obstetrik och gynekologi,UNC4 aut0 (Swepub:umu)toba0001 |
| 700 | 1 | a Johansson, Majau Umeå universitet,Obstetrik och gynekologi,UNC4 aut0 (Swepub:umu)injo0002 |
| 700 | 1 | a Löfgren, Magnusu Umeå universitet,Obstetrik och gynekologi,UNC4 aut0 (Swepub:umu)malo0017 |
| 700 | 1 | a Haage, Davidu Umeå universitet,Obstetrik och gynekologi,UNC4 aut0 (Swepub:umu)daha0002 |
| 710 | 2 | a Umeå universitetb Obstetrik och gynekologi4 org |
| 773 | 0 | t Acta Physiologicad : John Wiley & Sonsg 208:4, s. 400-409q 208:4<400-409x 1748-1708x 1748-1716 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-79224 |
| 856 | 4 8 | u https://doi.org/10.1111/apha.12100 |
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