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Discordance between gut-derived appetite hormones and energy intake in humans

Hengist, A.; Sciarrillo, C. M.; Guo, J.; Walter, M.; Hall, K. D.

2023-05-11 nutrition
10.1101/2023.05.10.23289718 medRxiv
Show abstract

Gut-derived hormones affect appetite and are thought to play an important role in body weight regulation. Dietary macronutrient composition can influence gut-derived appetite hormone concentrations, thereby providing theoretical basis for why some diets might facilitate weight loss better than others. We investigated postprandial gut-derived appetite hormones in 20 inpatient adults after 2 weeks of eating either a low carbohydrate (LC) or a low fat (LF) diet followed by the alternate diet in random order. A LC meal resulted in significantly greater postprandial GLP-1, GIP, and PYY but lower ghrelin compared to an isocaloric LF meal (all p[&le;]0.02). However, differences in gut-derived appetite hormones were incommensurate with subsequent ad libitum energy intake over the rest of the day, which was 551{+/-}103 kcal (p<0.0001) greater with the LC as compared to the LF diet. The effects of gut-derived appetite hormones on ad libitum energy intake can be dominated by other diet-related factors, at least in the short-term. Graphical Abstract O_FIG O_LINKSMALLFIG WIDTH=199 HEIGHT=200 SRC="FIGDIR/small/23289718v2_ufig1.gif" ALT="Figure 1"> View larger version (49K): org.highwire.dtl.DTLVardef@d42aacorg.highwire.dtl.DTLVardef@13dafc3org.highwire.dtl.DTLVardef@de54e0org.highwire.dtl.DTLVardef@965316_HPS_FORMAT_FIGEXP M_FIG C_FIG

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