Adipocyte Fatty Acid‐Binding Protein as a Novel Marker of Psoriasis and Clinical Response to Acitretin
2019
Baran, Anna | Kiluk, Paulina | Świderska, Magdalena | Maciaszek, Magdalena | Myśliwiec, Hanna | Flisiak, Iwona
Psoriasis is a systemic disease associated with metabolic syndrome and cardiometabolic diseases. Adipocyte fatty acid‐binding protein (A‐FABP, FABP4) is a relevant mediator of lipid metabolism and several comorbidities development. Aim of the study was to explore the possible role of FABP4 in psoriasis and assess its relationship with disease activity, inflammation or metabolic disturbances, and impact of systemic treatment. Fasting blood samples were obtained from 33 patients with active plaque‐type psoriasis before and after 12 weeks of therapy and from 11 healthy volunteers. Serum FABP4 concentrations were analyzed by the enzyme‐linked immunosorbent assay (ELISA) and statistically analyzed for their correlations with clinical outcomes and the treatment introduced. Serum FABP4 levels were significantly increased in psoriatics compared to controls (p = 0.03). No relationship between the protein and psoriasis severity expressed through psoriasis area and severity index (PASI) was noted (p = 0.57). FABP4 did not correlate with CRP (p = 0.41), lipid profile, and body mass index (BMI) nor the glucose level or liver enzyme activity. FABP4 significantly correlated with morphotic blood elements. After total therapy, FABP4 did not statistically change (p = 0.07), but significantly decreased after administering acitretin (p = 0.03). FABP4 is a potential marker of psoriasis and clinical outcome after therapy with acitretin. Adipocyte‐type FABP may be related to hematological disorders or obesity‐mediated comorbidities in psoriasis.
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