Información del artículo
Resumen
Las espondiloartritis son un grupo heterogéneo de enfermedades asociadas principalmente al complejo mayor de histocompatibilidad alelo HLA- B 27, y factores ambientales. La evidencia de esos desórdenes reflejan un origen autoinmune mediado por el sistema inmune adaptativo, en donde la composición de las lesiones inflamatorias está representada principalmente por macrófagos activados, linfocitos B y linfocitos T. El fenotipo y naturaleza de esas células T aún no están bien establecidos. Recientes estudios han demostrado que el clásico modelo de las células T CD4 efectoras Th-1/Th-2 en estas patologías debe ser reevaluado y darle espacio a las células Th-17 dentro de las patogenias inflamatorias articulares. Estudios preliminares dirigen la investigación hacia el eje IL-23/IL-17 en espondiloartropatías como una nueva propuesta. Considerar el bloqueo de las moléculas involucradas en esta vía podría ser interesante como nuevos blancos terapéuticos.
Palabras clave:
linfocitos Th-17
IL-17
IL-23
espondiloartritis
artritis inducida
inflamación
Abstract
Spondyloarthritides are a heterogeneous group of diseases which are mainly associated with HLA B 27 and environmental factors. The evidence for these disorders reflects an adaptive immune system-mediated autoimmune origin where inflammatory lesion composition is mainly represented by activated macrophages, B lymphocytes and T lymphocytes. These T-cells phenotype and nature has not been well established. Recent studies have shown that the classical CD4+ Th-1/Th-2 effector-cell model should be reevaluated and Th-17 cells should be introduced in inflammatory joint pathogenesis. Preliminary studies have directed research towards the IL-23/IL-17 axis in spondyloarthropathies as a new proposal. The intervention of the molecules involved in this pathway might be interesting as new therapeutic targets.
Key words:
lymphocyte Th-17
IL-17
IL-23
spondyloarthritis
arthritis induced
inflammation
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