کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9075191 | 1143805 | 2005 | 12 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Mucosal Immunity and Self-Tolerance in the Ocular Surface System
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کلمات کلیدی
موضوعات مرتبط
علوم پزشکی و سلامت
پزشکی و دندانپزشکی
چشم پزشکی
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چکیده انگلیسی
This paper articulates a new working hypothesis that explains many of the pathophysiological conditions described under the common rubric “dry eye” as altered states of mucosal immune regulation. A central principle of mucosal immune physiology is that the parenchymal tissues at the effector sites, i.e., the sites at which secretory antibodies are produced, maintain local signaling milieus that support differentiation of IgA+ plasmablasts and survival of IgA+ plasmacytes. These local signaling milieus also support robust regulatory networks that maintain tolerance to commensual microbes, benign antigens, and parenchymal autoantigens. The regulatory networks are mediated by cycles of interactions between successive generations of dendritic cells, which normally mature with tolerogenic functions, and regulatory T cells, which normally reinforce the system's ability to generate new tolerogenic dendritic cells. The systemic endocrine environment controls expression of the local signaling milieu in the mammary gland and in the prostate and male urethral glands. Emerging evidence indicates that the local signaling milieu in the lacrimal gland also is determined, in part, by the systemic endocrine environment. This working hypothesis suggests explanations for the excess incidence of Sjogren syndrome among women and for the mechanisms of several different immunophysiological states in addition to Sjogren syndrome that, like Sjogren syndrome, are associated with the classical symptoms and signs of dry eye. It also comprises a promising rationale for specific new approaches to therapy.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: The Ocular Surface - Volume 3, Issue 4, October 2005, Pages 182-193
Journal: The Ocular Surface - Volume 3, Issue 4, October 2005, Pages 182-193
نویسندگان
Austin K. PhD, Yanru MD, PhD, Magdalena MD, PhD, Chuanqing MD, PhD, Melvin D. PhD, Sarah F. PhD, Joel E. PhD,