Omental 11beta-hydroxysteroid dehydrogenase 1 correlates with fat cell size independently of obesity
OBJECTIVES: In ideopathic obesity, there is evidence that enhanced cortisol regeneration within abdominal subcutaneous adipose tissue may contribute to adiposity and metabolic disease. Whether the cortisol regenerating enzyme, 11beta-hydroxysteroid dehydrogenase type 1 (11betaHSD1), or glucocorticoid receptor (GRalpha) levels are altered in other adipose depots remains uncertain. Our objective was to determine the association between 11betaHSD1 and GRalpha mRNA levels in four distinct adipose depots and measures of obesity and the metabolic syndrome.
RESEARCH METHODS AND PROCEDURES: Adipose tissue biopsies were collected from subcutaneous (abdominal, thigh, gluteal) and intra-abdominal (omental) adipose depots from 21 women. 11betaHSD1 and GRalpha mRNA levels were measured by real-time polymerase chain reaction. Body composition, fat distribution, fat cell size, and blood lipid, glucose, and insulin levels were measured.
RESULTS: 11betaHSD1 mRNA was highest in abdominal subcutaneous (p < 0.001) and omental (p < 0.001) depots and was positively correlated with BMI and visceral adiposity in all depots. Omental 11betaHSD1 correlated with percent body fat (R = 0.462, p < 0.05), fat cell size (R = 0.72, p < 0.001), and plasma triglycerides (R = 0.46, p < 0.05). Conversely, GRalpha mRNA was highest in omental fat (p < 0.001). GRalpha mRNA was negatively correlated with BMI in the abdominal subcutaneous (R = -0.589, p < 0.05) and omental depots (R = -0.627, p < 0.05). Omental GRalpha mRNA was inversely associated with visceral adiposity (R = -0.507, p < 0.05), fat cell size (R = -0.52, p < 0.01), and triglycerides (R = -0.50, p < 0.05).
DISCUSSION: Obesity was associated with elevated 11betaHSD1 mRNA in all adipose compartments. GRalpha mRNA is reduced in the omental depot with obesity. The novel correlation of 11betaHSD1 with omental fat cell size, independent of obesity, suggests that intracellular cortisol regeneration is a strong predictor of hypertrophy in the omentum.
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2007 |
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| Erschienen: |
2007 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:15 |
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| Enthalten in: |
Obesity (Silver Spring, Md.) - 15(2007), 5 vom: 11. Mai, Seite 1155-63 |
| Sprache: |
Englisch |
|---|
| Beteiligte Personen: |
Michailidou, Zoi [VerfasserIn] |
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| Anmerkungen: |
Date Completed 06.08.2007 Date Revised 10.04.2022 published: Print Citation Status MEDLINE |
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| Förderinstitution / Projekttitel: |
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| 100 | 1 | |a Michailidou, Zoi |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Omental 11beta-hydroxysteroid dehydrogenase 1 correlates with fat cell size independently of obesity |
| 264 | 1 | |c 2007 | |
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a ohne Hilfsmittel zu benutzen |b n |2 rdamedia | ||
| 338 | |a Band |b nc |2 rdacarrier | ||
| 500 | |a Date Completed 06.08.2007 | ||
| 500 | |a Date Revised 10.04.2022 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a OBJECTIVES: In ideopathic obesity, there is evidence that enhanced cortisol regeneration within abdominal subcutaneous adipose tissue may contribute to adiposity and metabolic disease. Whether the cortisol regenerating enzyme, 11beta-hydroxysteroid dehydrogenase type 1 (11betaHSD1), or glucocorticoid receptor (GRalpha) levels are altered in other adipose depots remains uncertain. Our objective was to determine the association between 11betaHSD1 and GRalpha mRNA levels in four distinct adipose depots and measures of obesity and the metabolic syndrome | ||
| 520 | |a RESEARCH METHODS AND PROCEDURES: Adipose tissue biopsies were collected from subcutaneous (abdominal, thigh, gluteal) and intra-abdominal (omental) adipose depots from 21 women. 11betaHSD1 and GRalpha mRNA levels were measured by real-time polymerase chain reaction. Body composition, fat distribution, fat cell size, and blood lipid, glucose, and insulin levels were measured | ||
| 520 | |a RESULTS: 11betaHSD1 mRNA was highest in abdominal subcutaneous (p < 0.001) and omental (p < 0.001) depots and was positively correlated with BMI and visceral adiposity in all depots. Omental 11betaHSD1 correlated with percent body fat (R = 0.462, p < 0.05), fat cell size (R = 0.72, p < 0.001), and plasma triglycerides (R = 0.46, p < 0.05). Conversely, GRalpha mRNA was highest in omental fat (p < 0.001). GRalpha mRNA was negatively correlated with BMI in the abdominal subcutaneous (R = -0.589, p < 0.05) and omental depots (R = -0.627, p < 0.05). Omental GRalpha mRNA was inversely associated with visceral adiposity (R = -0.507, p < 0.05), fat cell size (R = -0.52, p < 0.01), and triglycerides (R = -0.50, p < 0.05) | ||
| 520 | |a DISCUSSION: Obesity was associated with elevated 11betaHSD1 mRNA in all adipose compartments. GRalpha mRNA is reduced in the omental depot with obesity. The novel correlation of 11betaHSD1 with omental fat cell size, independent of obesity, suggests that intracellular cortisol regeneration is a strong predictor of hypertrophy in the omentum | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 7 | |a Apolipoprotein A-I |2 NLM | |
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| 650 | 7 | |a Dehydroepiandrosterone Sulfate |2 NLM | |
| 650 | 7 | |a 57B09Q7FJR |2 NLM | |
| 650 | 7 | |a 11-beta-Hydroxysteroid Dehydrogenase Type 1 |2 NLM | |
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| 700 | 1 | |a Jensen, Michael D |e verfasserin |4 aut | |
| 700 | 1 | |a Dumesic, Daniel A |e verfasserin |4 aut | |
| 700 | 1 | |a Chapman, Karen E |e verfasserin |4 aut | |
| 700 | 1 | |a Seckl, Jonathan R |e verfasserin |4 aut | |
| 700 | 1 | |a Walker, Brian R |e verfasserin |4 aut | |
| 700 | 1 | |a Morton, Nicholas M |e verfasserin |4 aut | |
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