Pituitary & hypothalamus

Gene expression profiling of subcutaneous adipose tissue reveals new biomarkers in acromegaly

Eur J EndocrinolPublished Mechanistic study

Authors' conclusion

AT in active acromegaly is associated with a gene expression profile of fibrosis and inflammation, which may corroborate the hyper-metabolic state and provide a means for identifying novel biomarkers.

Study context

Population
Patients with acromegaly; RNA sequencing of paired subcutaneous adipose tissue (SAT) biopsies in 6 patients; serum proteins in a larger cohort6 sequenced · serum proteins in a larger cohort 23
Comparison
SAT gene expression in active acromegaly vs after curative surgery
Outcome
SAT gene expression before vs after disease control
Methodological detailspaired biopsies before and after disease control, RNA sequencing
  • Paired biopsies before and after disease control
  • RNA sequencing

Main finding

As reported in the abstract

Genes significantly differentially expressed (P-adjusted < .05)
743

Further findings

OutcomeP value
Serum HTRA1, METRNL, S100A8/A9 and PDGFD · after disease controlSignificantly increased after disease controlP < 0.05

Correlation of visceral AT (VAT) with serum proteins

VAT vs HTRA1 (R)
0.73
VAT vs S100A8/A9 (R)
0.55
P for both
P < 0.05

Original publication

Gene expression profiling of subcutaneous adipose tissue reveals new biomarkers in acromegaly. Eur J Endocrinol. Published 10 March 2023. doi:10.1093/ejendo/lvad031

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