Molecular skin changes in Cushing syndrome and the effects of treatment

Karaca, Z., Taheri, S., Firat, S. T., Borlu, M., Zararsiz, G., Mehmetbeyoglu, E., Caglar, A. Sezgin, Hacioglu, A., Tanriverdi, F., Unluhizarci, K. and Kelestimur, F. 2021. Molecular skin changes in Cushing syndrome and the effects of treatment. Journal of Endocrinological Investigation 44 (1) , pp. 153-163. 10.1007/s40618-020-01285-7

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Abstract

Objective: We investigated newly diagnosed patients with endogenous CS for molecular changes in skin by biopsy before and a year after treatment of CS. Patients and methods: 26 Patients with CS and 23 healthy controls were included. All the patients were evaluated before and a year after treatment. Skin biopsies were obtained from abdominal region before and a year after treatment in patients with CS and once from healthy volunteers. Total RNA was isolated from the skin biopsy samples and the real-time PCR system was used to determine the expression levels of 23 genes in the skin biopsy. Results: Skin expression levels of HAS 1, 2 and 3 mRNAs were lower and COL1A2, COL2A1, COL3A1 mRNAs were higher in patients with CS than in normal controls. MMP-9, TIMP-1 and elastin mRNA expression levels were similar in two groups. Skin IL-1β mRNA expression level was significantly higher in patients with CS. None of these parameters changed significantly 12 months after treatment. Patients with CS showed higher skin GH and HSD11B1 mRNA expressions and lower GHR and IGF-1R mRNA expression compared to control. Expression levels of IGF-1, GR and HSD11B2 mRNA were similar in two groups. None of these parameters changed significantly 12 months after treatment. Conclusion: CS is associated with increased expression levels of skin COL1A2, COL2A1, COL3A1 mRNAs (which are correlated with increased expression level of skin GH mRNA). Decreased skin HAS may cause decreased synthesis of HA that contributes to thinning of skin in CS. Increased local inflammatory cytokine and HSD11B1 mRNAs may be related to the acne formation in CS. Treatment of CS was not able to reverse these changes and ongoing changes were detected after treatment.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine
ISSN:	0391-4097
Last Modified:	06 Dec 2022 13:48
URI:	https://orca.cardiff.ac.uk/id/eprint/154367

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