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2. Do white adipose adipocytes express receptors for gut hormones? Suha S Al-Naimi
4. Characteristics of GIP and GLP-1
5. Did you ever wonder why you can tell it’s meal time without a clock?
9. Q. Are GLP-1R, GIPR, GHSR and GPR39 present in WAT?
10. WAT recognised as energy storage organ
The discovery of leptin in 1994 revealed an endocrine role in the regulation of energy balance and other physiological processes
In addition to leptin WAT secretes a wide range of protein factors - adipokines
12. Expressions in 2 human WAT depots
14. GHSR and GIPRs are expressed in both visceral and subcutaneous while GLP-1R was mainly visceral
GPR39 mRNA and protein expressed both in omental and subcutaneous fat in obese subjects.
Summary of Results (1)
15. Q. Are GLP-1R, GIPR, GHSR and GPR39 present in the Adipocytes?
16. Materials and Methods
SGBS cells were cultured as in vitro models of human white adipocytes
RNA isolation and RT-PCR
Western blotting using commercial receptor antibodies
17. Time course of expression of genes through development of SGBS
19. In the differentiation process of SGBS adipocyte, GLP-1R and GHSR mRNA expression was late. While GIPR and especially GPR39 mRNA expression was early.
Western blot studies confirmed early expression of GPR39 protein in SGBS adipocyte cultures similar to mRNA data.
Summary of Results (2)
20. Q. Gut hormone receptor (s) Expression in Obese human Subjects ?
21. Gut Hormone Receptor expression in SC WAT depot of obese human subjects
25. Acknowledgements
27. Cell culture method