eISSN: 2299-0046
ISSN: 1642-395X
Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii
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SCImago Journal & Country Rank
3/2019
vol. 36
 
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abstract:
Original paper

Clinical associations of serum leptin and leptin/adiponectin ratio in systemic sclerosis

Małgorzata Michalska-Jakubus, Karolina Sawicka, Emilia Potembska, Małgorzata Kowal, Dorota Krasowska

Adv Dermatol Allergol 2019; XXXVI (3): 325–338
Online publish date: 2018/05/16
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Introduction
Leptin and adiponectin have recently received the attention of researchers as attractive biomarkers in systemic sclerosis (SSc) because of their role in the inflammatory process, vascular function and fibrosis. We hypothesized that leptin and adiponectin may be associated with disease activity and severity in patients with SSc.

Aim
To compare serum leptin, adiponectin and leptin/adiponectin levels in patients with SSc and healthy controls and to evaluate their possible relationship with frequently used laboratory markers and clinical findings.

Material and methods
The study included 48 Caucasian female patients with SSc and 38 healthy controls. Serum concentrations of leptin and adiponectin were measured in patients and controls using commercially available ELISA Kits (Quantikine ELISA Kit R&D Systems, Minneapolis, MN, USA). The results were assessed by the Mann-Whitney U-test and Spearman’s correlation test.

Results
Leptin and adiponectin levels correlated with body mas index in SSc patients (r = 0.495, p = 0.000398 and r = –0.306; p = 0.0342) in contrast to healthy controls (p = 0.070 and p = 0.256, respectively), and, in SSc patients only, a strong negative correlation was observed between leptin and adiponectin serum levels (r = –0.314; p = 0.0312). Diffuse form of the disease (dcSSc) was associated with significantly lower serum adiponectin levels (8638.62 ±10382.62). Active disease was associated with significantly lower leptin concentration (13700.49 ±18293.32) and there was a significant negative correlation between leptin serum level and activity index score (r = –0.342; p = 0.0185).

Conclusions
The results of our study indicate that leptin levels might correlate with disease activity and subtype in SSc patients.

keywords:

leptin, adiponectin, systemic sclerosis, disease activity

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