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Available online 9 June 2024
Association between adipophilin expression and risk of dyslipidaemia in patients with granuloma annulare
Asociación entre la expresión de adipofilina y el riesgo de dislipidemia en pacientes con granuloma anular
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Javier Antoñanzasa, Jorge María Núñez-Córdobab, Rafael Salido-Vallejoa, Laura Álvarez-Giglic, Ramón Robledanoc, Agustín Españaa,
Corresponding author
aespana@unav.es

Corresponding author.
a Department of Dermatology, University Clinic of Navarra, Pamplona, Spain
b Research Support Service, Central Clinical Trials Unit, University Clinic of Navarra, Pamplona, Spain
c Department of Pathology, University Clinic of Navarra, Pamplona, Spain
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Table 1. Baseline characteristics of patients with granuloma annulare.
Table 2. Association between adipophilin and dyslipidaemia in patients with granuloma annulare.
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Abstract
Background

An association between granuloma annulare (GA) and dyslipidaemia has been reported. Adipophilin expression may play a plausible role as a cutaneous biomarker for dyslipidaemia in patients with GA; however, this potential link remains to be explored.

Methods

Patients with GA were identified at our hospital between January 1, 1990, and December 31, 2021, with a thorough review of their clinical and histological characteristics. Adipophilin staining was assessed in biopsies of GA lesions.

Results

A total of 107 patients with GA were included. The prevalence of dyslipidaemia in patients with positive adipophilin staining was clearly higher than in those with negative labelling (62.3% vs 13.3%). Relative to the dyslipidaemia risk for patients with negative adipophilin expression, the odds for patients with positive adipophilin expression were increased 10-fold (OR: 10.8; p-value<.01). We identified 23 incident cases of dyslipidaemia over a median follow-up period of 91 months among 54 patients with no history of dyslipidaemia. The patients with positive adipophilin expression showed a higher risk of developing dyslipidaemia (HR: 8.9; p-value<.01).

Conclusions

Patients with positive adipophilin staining in their GA biopsies were found to be associated with a higher risk for both baseline and incident dyslipidaemia.

Keywords:
Granuloma annulare
Dyslipidemia
Biomarker
Metabolic disease
Resumen
Antecedentes

Se ha descrito una asociación entre el granuloma anular (GA) y la dislipidemia. La expresión de adipofilina en las biopsias de GA podría desempeñar un papel como biomarcador de riesgo de dislipidemia; sin embargo, este posible vínculo aún no ha sido explorado.

Métodos

Se identificaron pacientes con GA en nuestro hospital entre el 1 de enero de 1990 y el 31 de diciembre de 2021, mediante una revisión exhaustiva de sus características clínicas e histológicas. Se evaluó la tinción de adipofilina en las biopsias de lesiones de GA.

Resultados

Se incluyeron un total de 107 pacientes con GA. La prevalencia de dislipidemia en pacientes con tinción positiva de adipofilina fue notablemente mayor que en aquellos con tinción negativa (62,3% vs. 13,3%). En comparación con el riesgo de dislipidemia en pacientes con expresión negativa de adipofilina, las probabilidades para pacientes con expresión positiva de adipofilina aumentaron 10 veces (OR: 10,8; valor de p <0,01). Identificamos 23 casos incidentes de dislipidemia durante un período de seguimiento medio de 91 meses entre 54 pacientes sin antecedentes de dislipidemia. Los pacientes con expresión positiva de adipofilina mostraron un mayor riesgo de desarrollar dislipidemia (HR: 8,9; valor de p <0,01).

Conclusiones

Se encontró que los pacientes con tinción positiva de adipofilina en sus biopsias de GA estaban asociados con un mayor riesgo tanto de dislipidemia basal como incidente.

Palabras clave:
Granuloma anular
Dislipemia
Biomarcador
Enfermedad metabólica

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