Meal patterns and plasma liver enzymes and metabolites after total liver denervations

Physiology & Behavior
L L Bellinger, F E Williams

Abstract

The liver by way of afferent nerves has been suggested to be a controller of food intake. However, long term meal pattern analysis of chow intake by rats has revealed that total liver denervation (TLD) did not affect the patterns. Nevertheless, these studies have been criticized because they may have missed initial subtle difference in meal patterns that were corrected later by redundant mechanisms. TLD also can alter physiological regulator mechanisms that could secondarily affect feeding behavior. Furthermore, the TLD procedure itself can produce pathologic changes if extreme care is not taken; if pathology does occur it could subsequently affect food intake measurements. In Experiment 1, male rats were given TLD or sham operations (SHAM) at the beginning of the light phase and food withheld until the onset of the dark period. Using a computer operated system, postsurgery onset on feeding, meal size, duration, and frequency were found to be comparable between the groups from the first meal onward. In Experiment 2, 21 days after TLD or SHAM feeding patterns were recorded; all meal parameters were similar between the groups. The rats were then killed and plasma analyzed for liver enzymes (a reflection of liver damage), nutrient...Continue Reading

References

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Citations

Dec 1, 1996·Physiology & Behavior·K GillB R Smith
Sep 1, 1997·Physiology & Behavior·L L BellingerB S Husberg
May 22, 2003·Pharmacology, Biochemistry, and Behavior·C A KerinsL L Bellinger
Jul 28, 2004·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Carolyn KerinsLarry Bellinger
Sep 24, 2004·The Anatomical Record. Part A, Discoveries in Molecular, Cellular, and Evolutionary Biology·Isabelle ColleBernard De Hemptinne
Apr 24, 1999·Journal of the American Society of Nephrology : JASN·A H MamounJ Bergström

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