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Título : Total and Biologically Active Serum-Soluble CD154 in Patients with Chronic Idiopathic Urticaria
Autor : Garmendia, Jenny V.
Zabaleta, Mercedes
Blanca, Isaac
Bianco Colmenares, Nicolás E.
De Sanctis, Juan B.
Palabras clave : Biologically Active Serum-Soluble
CD154
Chronic Idiopathic Urticaria
CIU
autoimmunity
autoimmune diseases
Fecha de publicación : 2004
Editorial : Allergy and asthma proceedings
Citación : Vol. 25;No. 2 pp 121-125
Resumen : The pathogenesis of chronic idiopathic urticaria (CIU) is not understood completely; however, autoimmunity has been implicated. Because membrane and soluble forms of CD154 have been reported to be increased, in several autoimmune diseases, we have quantified the soluble CD154 (sCD154) molecule by a sandwich enzyme-linked immunosorbent assay in serum samples of 32 patients with CIU (aged 32 +/- 12 years) and compared them with 32 age- and sex-matched nonallergic controls. A marked increase was observed in patients with CIU as compared with controls (4.8 +/- 2.6 ng/mL versus 2.9 +/- 0.9 ng/mL; p < 0.0005). No significant differences were found between groups of patients with positive or negative autologous serum skin test. A biological assay to determine sCD154 showed that patients with positive autologous serum skin test have the highest levels (4.9 +/- 1.2 ng/mL) of biologically active sCD154 as compared with their negative counterparts (2.2 +/- 1.3 ng/mL; p < .001) and controls (0.6 +/- 0.3 ng/mL; p < 0.001). Active sCD154 can be derived from mast cell activation or other leukocytes. It is concluded that active sCD154 may be involved in the immune activation observed in patients with CIU.
URI : http://hdl.handle.net/123456789/15170
ISSN : 1539-6304 (Electronic)
1088-5412 (Linking)
1088-5412 (Print)
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