IL6 and systemic lupus erythematosus: The association of particular blood AGEs with specific SLE clinical manifestations and biological alterations (e.g., pentosidine with pulmonary manifestations, carboxymethyllysine and carboxyethyllysine with anti-dsDNA antibodies and IL6) may eventually outline certain phenotypes of the disease, with the respective AGEs representing a strong predictor for the illness course [20,29].