Racial Variations in Appetite-Related Hormones, Appetite, and Laboratory-Based Energy Intake from the E-MECHANIC Randomized Clinical Trial

Dorling, James L.; Church, Timothy S.; Myers, Candice A.; Höchsmann, Christoph; White, Ursula A.; Hsia, Daniel S.; Martin, Corby K.; Apolzan, John W.

doi:10.3390/nu11092018

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Title:: Racial Variations in Appetite-Related Hormones, Appetite, and Laboratory-Based Energy Intake from the E-MECHANIC Randomized Clinical Trial
Document type:: Zeitschriftenaufsatz
Author(s):: Dorling, James L.; Church, Timothy S.; Myers, Candice A.; Höchsmann, Christoph; White, Ursula A.; Hsia, Daniel S.; Martin, Corby K.; Apolzan, John W.
Abstract:: African Americans (AAs) have a higher obesity risk than Whites; however, it is unclear if appetite-related hormones and food intake are implicated. We examined differences in appetite-related hormones, appetite, and food intake between AAs (n = 53) and Whites (n = 111) with overweight or obesity. Participants were randomized into a control group or into supervised, controlled exercise groups at 8 kcal/kg of body weight/week (KKW) or 20 KKW. Participants consumed lunch and dinner at baseline and follow-up, with appetite and hormones measured before and after meals (except leptin). At baseline, AAs had lower peptide YY (PYY; p < 0.01) and a blunted elevation in PYY after lunch (p = 0.01), as well as lower ghrelin (p = 0.02) and higher leptin (p < 0.01) compared to Whites. Despite desire to eat being lower and satisfaction being higher in AAs relative to Whites (p ≤ 0.03), no racial differences in food intake were observed. Compared to Whites, leptin increased in the 8 KKW group in AAs (p = 0.01), yet no other race-by-group interactions were evident. Differences in appetite-related hormones between AAs and Whites exist; however, their influence on racial disparities in appetite, food intake, and obesity within this trial was limited.
Dewey Decimal Classification:: 570 Biowissenschaften, Biologie; 610 Medizin und Gesundheit; 790 Sport, Spiele, Unterhaltung
Journal title:: Nutrients
Year:: 2019
Journal volume:: 11
Journal issue:: 9
Pages contribution:: 2018
Reviewed:: ja
Language:: en
Fulltext / DOI:: doi:10.3390/nu11092018
Pubmed ID:: http://view.ncbi.nlm.nih.gov/pubmed/31466276
Publisher:: MDPI AG
E-ISSN:: 2072-6643
Impact Factor:: 6,706
Scimago Quartil:: Q1
Submitted:: 20.06.2019
Accepted:: 24.08.2019
Date of publication:: 28.08.2019
Semester:: SS 19
TUM Institution:: Professur für Bewegung, Ernährung und Gesundheit
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mediaTUM Gesamtbestand Einrichtungen Schools TUM School of Medicine and Health Departments Health and Sport Sciences Professur für Bewegung, Ernährung und Gesundheit (Prof. Köhler)Autor: Höchsmann

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