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Adipose tissue morphology predicts improved insulin sensitivity following moderate or pronounced weight loss.

https://arctichealth.org/en/permalink/ahliterature272781
Source
Int J Obes (Lond). 2015 Jun;39(6):893-8
Publication Type
Article
Date
Jun-2015
Author
D. Eriksson-Hogling
D P Andersson
J. Bäckdahl
J. Hoffstedt
S. Rössner
A. Thorell
E. Arner
P. Arner
M. Rydén
Source
Int J Obes (Lond). 2015 Jun;39(6):893-8
Date
Jun-2015
Language
English
Publication Type
Article
Keywords
Adipocytes - metabolism - pathology
Adipose Tissue, White - metabolism - pathology
Adult
Bariatric Surgery
Blood Glucose - metabolism
Body mass index
Cell Enlargement
Cohort Studies
Diabetes Mellitus, Type 2 - etiology - metabolism - prevention & control
Diet, Reducing
Female
Humans
Inflammation - etiology - metabolism
Male
Obesity - complications - metabolism - pathology - surgery
Randomized Controlled Trials as Topic
Sweden
Weight Loss
Abstract
Cross-sectional studies show that white adipose tissue hypertrophy (few, large adipocytes), in contrast to hyperplasia (many, small adipocytes), associates with insulin resistance and increased risk of developing type 2 diabetes. We investigated if baseline adipose cellularity could predict improvements in insulin sensitivity following weight loss.
Plasma samples and subcutaneous abdominal adipose biopsies were examined in 100 overweight or obese individuals before and 10 weeks after a hypocaloric diet (7±3% weight loss) and in 61 obese subjects before and 2 years after gastric by-pass surgery (33±9% weight loss). The degree of adipose tissue hypertrophy or hyperplasia (termed the morphology value) in each individual was calculated on the basis of the relationship between fat cell volume and total fat mass. Insulin sensitivity was determined by homeostasis model assessment-estimated insulin resistance (HOMAIR).
In both cohorts at baseline, subjects with hypertrophy displayed significantly higher fasting plasma insulin and HOMAIR values than subjects with hyperplasia (P
PubMed ID
25666530 View in PubMed
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