High levels of interleukin-12 in the aqueous humor and vitreous of patients with uveitis

被引:42
作者
El-Shabrawi, Y
Livir-Rallatos, C
Christen, W
Baltatzis, S
Foster, CS [1 ]
机构
[1] Harvard Univ, Massachusetts Eye & Ear Infirm, Sch Med, Uveitis & Immunol Serv, Boston, MA 02114 USA
[2] Harvard Univ, Brigham & Womens Hosp, Sch Med, Boston, MA 02115 USA
关键词
D O I
10.1016/S0161-6420(98)99035-2
中图分类号
R77 [眼科学];
学科分类号
100212 ;
摘要
Objective: This study aimed to investigate the role of interleukin-12 (IL-12) and interleukin-10 (IL-10) in initiation and maintenance of intraocular inflammation. Design: Case series. Participants: Aqueous humor and vitreous levels of IL-12 and IL-10 were measured in 22 patients with uveitis undergoing cataract surgery, paracentesis of the anterior chamber, and/or vitrectomy for diagnostic reasons, and in 4 patients with cataract only. Intervention: Aqueous humor and vitreous levels of IL-12 and IL-10 were measured with specific enzyme-linked immunosorbent assays. Main Outcome Measures: Disease activity was correlated to IL-12 levels in the aqueous humor and the vitreous of patients with uveitis. Results: Cytokine levels found in the anterior chamber and the vitreous are presented in picogram/milliliter (medium; range). The highest IL-12 levels were found in patients with active uveitis (108.5 pg/ml; 72-293 pg/ml). Interleukin-12 in patients with moderate uveitis or with their disease in remission was lower (32 pg/ml; 15-94 pg/ml) than in patients with active disease (P > 0.001) but higher than in the control group (10.5 pg/ml; 9-14 pg/ml). Interleukin-10 was detectable in only 3 of 22 patients with uveitis (12 pg/ml; 9-23 pg/ml). Conclusion: The authors found statistically significant differences of IL-12 levels in the various patient groups (active vs, inactive vs. control), These results support the idea that these uveitis cases represent type 1 (Th1)-T lymphocyte-mediated diseases in which IL-12 plays a pivotal role in the initiation and maintenance of the intraocular inflammation. The high levels of IL-12 in the vitreous and/or aqueous humor of the patients with uveitis suggest that susceptibility or resistance to ocular autoimmunity may be connected to a genetic predisposition to an elevated Th1 response.
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收藏
页码:1659 / 1663
页数:5
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