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Apolipoprotein C3 and beta-cell dysfunction are linked in patients with systemic lupus erythematosus

Abstract: Objectives: Systemic lupus erythematosus (SLE) has been associated with insulin resistance and beta-cell dysfunction. Apolipoprotein C3 (ApoC3) is a component of very low-density lipoproteins. Since ApoC3 has been linked to beta-cell impairment in the general population, in this study we aimed to discover if this lipoprotein is related to glucose homeostasis disturbance in patients with SLE. Methods: One hundred and forty non diabetic patients with SLE who had a glycaemia lower than 110 mg/dl were recruited. Insulin, C-peptide, and ApoC3 were assessed. Insulin resistance and beta-cell function were calculated using the Homeostasis Model Assessment (HOMA2) indices. A multivariable regression analysis was performed to study the relationship of ApoC3 to those molecules and indices adjusting for classical factors associated with insulin resistance that included glucocorticoids. Results: In the multivariable regression analysis that included prednisone intake, a significant relation of ApoC3 to C-peptide was found (beta coef. 0.27 [95%CI 0.03-0.51) ng/ml, p=0.030). Similarly, ApoCa3 was associated with higher degree of beta-cell dysfunction (HOMA2-%B) although in this case statistical significance was not achieved (beta coef. 8 [95%CI-1-18], p=0.086). This relationship was not found with serum insulin levels or IR indices. Furthermore, in the univariable analysis, but not after multivariable adjustment, the disease damage score was found to significantly mediate the effect of ApoC3 on circulating C-peptide. and HOMA2-%B. Conclusions: Beta-cell dysfunction and ApoC3 are linked in patients with SLE.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Clinical and Experimental Rheumatology, 2022, 40(11), 2032-2037

Editorial: Clinical and Experimental Rheumatology

 Año de publicación: 2022

Nº de páginas: 6

Tipo de publicación: Artículo de Revista

 DOI: 10.55563/clinexprheumatol/cezjnr

ISSN: 0392-856X,1593-098X

Url de la publicación: https://www.doi.org/10.55563/clinexprheumatol/cezjnr

Autores/as

MARTÍN-GONZÁLEZ, CANDELARIA

FERRER-MOURE, CARMEN

QUEVEDO-ABELEDO, JUAN CARLOS

FERRAZ-AMARO, IVÁN