The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.
Regulation of Adiponectin Expression in Human Adipocytes: Effects of Adiposity, Glucocorticoids, and Tumor Necrosis Factor α
Abstract
Objective: Adiponectin mRNA expression in isolated subcutaneous and omental adipocytes was examined across a wide range of adiposity to determine whether adiponectin synthesis is impaired in these adipose tissue depots in obese humans. Tumor necrosis factor (TNF)α and dexamethasone were tested for inhibitory effects on adiponectin release from human adipocytes in vitro. Research Methods and Procedures: Adipocytes were isolated by collagenase digestion of abdominal adipose tissue obtained from subjects undergoing surgical procedures or outpatient needle biopsy. Adiponectin and leptin mRNA were quantitated by real‐time reverse transcriptase‐polymerase chain reaction. Adiponectin and leptin secretion from isolated adipocytes treated with dexamethasone or TNFα were determined by radioimmunoassay. Results: There was a significant negative correlation between adiponectin gene expression and BMI in subcutaneous adipocytes from 32 women (r = 0.420; p = 0.02). Adiponectin mRNA was also significantly correlated with serum adiponectin (r = 0.44; p = 0.03; n = 25). There was no correlation between adiponectin mRNA expression and BMI in omental adipocytes from 29 women. Leptin mRNA was significantly and positively correlated (r = 0.484; p = 0.01) with BMI in the same omental adipocyte mRNA preparations. In subcutaneous adipocytes from lean subjects, TNFα inhibited adiponectin release by 7.4 ± 1.2% (n = 9, p < 0.05) but had no effect on adiponectin release from subcutaneous or omental adipocytes from obese subjects. Dexamethasone significantly inhibited adiponectin release with 24 hours of treatment. Discussion: The data suggest that reduced adiponectin synthesis in subcutaneous adipocytes contributes to lower serum adiponectin levels in obesity and that glucocorticoids regulate adiponectin gene expression in human adipocytes. TNFα does not seem to directly inhibit adiponectin synthesis in human adipocytes.
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Cites
Paradoxical Decrease of an Adipose-Specific Protein, Adiponectin, in Obesity
Arita, Y., Kihara, S., Ouchi, N., Takahashi, M., Maeda, K., Miyagawa, J.-I., Hotta, K., Shimomura, I., Nakamura, T., Miyaoka, K., et al. (1999) · Biochemical and Biophysical Research Communications · doi:10.1006/bbrc.1999.0255 · Cited by 4,856
Weyer, C., Funahashi, T., Tanaka, S., Hotta, K., Matsuzawa, Y., Pratley, R. E., & Tataranni, P. A. (2001) · The Journal of Clinical Endocrinology & Metabolism · doi:10.1210/jcem.86.5.7463 · Cited by 3,541
Adiponectin Expression From Human Adipose Tissue
Kern, P. A., Di Gregorio, G. B., Lu, T., Rassouli, N., & Ranganathan, G. (2003) · Diabetes · doi:10.2337/diabetes.52.7.1779 · Cited by 875
Increased obese mRNA expression in omental fat cells from massively obese humans
Hamilton, B. S., Paglia, D., Kwan, A. Y. M., & Deitel, M. (1995) · Nature Medicine · doi:10.1038/nm0995-953 · Cited by 526
Cited by
Relationship between Adipocyte Size and Adipokine Expression and Secretion
Skurk, T., Alberti-Huber, C., Herder, C., & Hauner, H. (2007) · The Journal of Clinical Endocrinology & Metabolism · doi:10.1210/jc.2006-1055 · Cited by 1,288
The role of adipose tissue dysfunction in the pathogenesis of obesity-related insulin resistance
Goossens, G. H. (2008) · Physiology & Behavior · doi:10.1016/j.physbeh.2007.10.010 · Cited by 591
The effects of glucocorticoids on adipose tissue lipid metabolism
Peckett, A. J., Wright, D. C., & Riddell, M. C. (2011) · Metabolism · doi:10.1016/j.metabol.2011.06.012 · Cited by 548
Koerner, A., Kratzsch, J., & Kiess, W. (2005) · Best Practice & Research Clinical Endocrinology & Metabolism · doi:10.1016/j.beem.2005.07.008 · Cited by 471
Stress hormones: physiological stress and regulation of metabolism
Kyrou, I., & Tsigos, C. (2009) · Current Opinion in Pharmacology · doi:10.1016/j.coph.2009.08.007 · Cited by 431
Metadata
- Authors
- Degawa‐Yamauchi, M., Moss, K. A., Bovenkerk, J. E., Shankar, S. S., Morrison, C. L., Lelliott, C. J., Vidal‐Puig, A., Jones, R., & Considine, R. V.
- Venue
- Obesity Research
- Publisher
- Wiley
- Published
- 2005-04
- Volume
- 13
- Issue
- 4
- Pages
- 662-669
- ISSN
- 1071-7323 (ISSN-L)
- 1550-8528
- OpenAlex
- W2025196819
- Cited by
- 204
- References
- 4
- FWCI
- 12.65
- Type
- journal article
- Language
- en
- Open access
- closed
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