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A plant-based meal affects thalamus perfusion differently than an energy- and macronutrient-matched conventional meal in men with type 2 diabetes, overweight/obese, and healthy men: A three-group randomized crossover study*

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00023001%3A_____%2F21%3A00081007" target="_blank" >RIV/00023001:_____/21:00081007 - isvavai.cz</a>

  • Alternative codes found

    RIV/00023761:_____/21:N0000013

  • Result on the web

    <a href="https://www.clinicalnutritionjournal.com/article/S0261-5614(20)30532-X/pdf" target="_blank" >https://www.clinicalnutritionjournal.com/article/S0261-5614(20)30532-X/pdf</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.clnu.2020.10.005" target="_blank" >10.1016/j.clnu.2020.10.005</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    A plant-based meal affects thalamus perfusion differently than an energy- and macronutrient-matched conventional meal in men with type 2 diabetes, overweight/obese, and healthy men: A three-group randomized crossover study*

  • Original language description

    Background &amp; aims: Reward circuitry in the brain plays a key role in weight regulation. We tested the effects of a plant-based meal on these brain regions. Methods: A randomized crossover design was used to test the effects of two energy-and macronutrientmatched meals: a vegan (V-meal) and a conventional meat (M-meal) on brain activity, gastrointestinal hormones, and satiety in participants with type 2 diabetes (T2D; n = 20), overweight/obese participants (O; n = 20), and healthy controls (H; n = 20). Brain perfusion was measured, using arterial spin labeling functional brain imaging; satiety was assessed using a visual analogue scale; and plasma concentrations of gut hormones were determined at 0 and 180 min. Repeated-measures ANOVA was used for statistical analysis. Bonferroni correction for multiple comparisons was applied. The Hedge&apos;s g statistic was used to measure the effect size for means of paired difference between the times (180-0 min) and meal types (M-V meal) for each group. Results: Thalamus perfusion was the highest in patients with T2D and the lowest in overweight/obese individuals (p = 0.001). Thalamus perfusion decreased significantly after ingestion of the M-meal in men with T2D (p = 0.04) and overweight/obese men (p = 0.004), and it decreased significantly after ingestion of the V-meal in healthy controls (p &lt; 0.001; Group x Meal x Time: F = 3.4; p = 0.035). The effect size was-0.41 (95% CI,-1.14 to 0.31; p = 0.26) for men with diabetes;-0.72 (95% CI,-1.48 to 0.01; p = 0.05) for overweight/obese men; and 0.82 (95% CI, 0.09 to 1.59; p = 0.03) for healthy men. Postprandial secretion of active GLP-1 increased after the V-meal compared with the M-meal by 42% (95% CI 25-62%; p = 0.003) in men with T2D and by 41% (95% CI 24-61%; p = 0.002) in healthy controls. Changes in thalamus perfusion after ingestion of both test meals correlated with changes in satiety (r = +0.68; p &lt; 0.01), fasting plasma insulin (r = +0.40; p &lt; 0.01), C-peptide (r = +0.48; p &lt; 0.01) and amylin (r = +0.55; p &lt; 0.01), and insulin secretion at 5 mmol/l (r = +0.77; p &lt; 0.05). Conclusions: The higher postprandial GLP-1 secretion after the V-meal in men with T2D, with concomitant greater satiety and changes in thalamus perfusion, suggest a potential use of plant-based meals in addressing the key pathophysiologic mechanisms of food intake regulation. Trial registration ClinicalTrials.gov number, NCT02474147. 0 2021 Published by Elsevier Ltd.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    30308 - Nutrition, Dietetics

Result continuities

  • Project

    <a href="/en/project/NV15-27338A" target="_blank" >NV15-27338A: Effects of processed meat on brain regions related to reward and craving in patients with type 2 diabetes, obese subjects and healthy controls</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2021

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Clinical nutrition

  • ISSN

    0261-5614

  • e-ISSN

  • Volume of the periodical

    40

  • Issue of the periodical within the volume

    4

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    12

  • Pages from-to

    1822-1833

  • UT code for WoS article

    000640403100042

  • EID of the result in the Scopus database

    2-s2.0-85092792414