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| Författare |
Kajsa Sjöholm Jenny Palming Ted Lystig Eva Jennische Teresa K Woodruff Björn Carlsson Lena M S Carlsson |
|---|---|
| Publicerad i | Biochemical and biophysical research communications |
| Volym | 344 |
| Nummer/häfte | 4 |
| Sidor | 1308-14 |
| ISSN | 0006-291X |
| Publiceringsår | 2006 |
| Publicerad vid |
Institutionen för biomedicin, avdelningen för medicinsk kemi och cellbiologi Institutionen för medicin, avdelningen för molekylär och klinisk medicin |
| Sidor | 1308-14 |
| Språk | en |
| Länkar |
dx.doi.org/10.1016/j.bbrc.2006.04.0... |
| Ämnesord | Adipocytes, chemistry, metabolism, Cells, Cultured, Female, Gene Expression Regulation, Humans, Inhibin-beta Subunits, analysis, genetics, metabolism, Male, Metabolic Syndrome X, genetics, Oligonucleotide Array Sequence Analysis, RNA, Messenger, analysis, metabolism, Weight Loss, genetics |
| Ämneskategorier | Medicin och Hälsovetenskap |
Adipose tissue is an endocrine organ that produces and secretes adipokines. The aim of this study was to identify genes predominantly expressed in human subcutaneous adipocytes. For this purpose, an algorithm was developed and DNA microarray expression profiles from 33 human tissues and cell types were used to select genes. Inhibin beta B (INHBB; coding for the activin betaB subunit) was identified and high expression in adipocytes was confirmed by real-time PCR and immunohistochemistry. INHBB expression in adipose tissue was down regulated by diet-induced weight loss (p<0.001). Furthermore, INHBB expression was positively correlated to total (p<0.001) and subcutaneous (p<0.01) adipose tissue areas and serum levels of fasting insulin (p<0.01) and cholesterol (p<0.05). In conclusion, INHBB expression was high in human adipocytes, reduced by weight loss and adipose tissue INHBB mRNA levels correlated to metabolic risk factors. This suggests that activin B produced in adipocytes may play a role in the metabolic syndrome.
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