Imaging ocular immune responses by intravital microscopy. 2002

James T Rosenbaum, and Stephen R Planck, and Tammy M Martin, and Isabel Crane, and Heping Xu, and John V Forrester
Casey Eye Institute, Department of Medicine-Division of Allergy, Immunology and Rheumatic Diseases, Department of Cell & Developmental Biology, Oregon Health and Science Center, Portland, Oregon, USA.

The eye offers excellent opportunities to observe cellular interactions in vivo. This applies especially to the immune response in which discrete events can be studied, including cell trafficking, transendothelial migration, adhesion, antigen presentation, and T cell activation. Intravital microscopy has allowed study of immune cell interactions in tissues such as the conjunctiva, the inflamed cornea, and the iris. Thus the realtime observation of presentation of antigen injected into the anterior chamber of the eye can be imaged using fluorescently labelled antigen and cells. Application of the scanning laser ophthalmoscope to the rat and mouse eye allows analysis of leukocyte-endothelial interactions in the retinal and choroidal circulations. These studies have provided important information on rolling and adhesion of leukocytes in real time in different microvascular beds that have not been manipulated in any way and has, for instance, provided quantitation to the effects of shear stress on leukocyte-endothelial adhesion. In addition, the model permits an accurate analysis of the timing of trafficking of T cells into the eye and the possibility of determining which cells, if any, may be responsible for antigen presentation in the tissues as opposed to the secondary lymphoid organs. Finally, these experimental methods are now being applied to the human eye and should prove valuable in determining the nature of tissue damage events in the eye as well as evaluating the response to treatments.

UI MeSH Term Description Entries
D007113 Immunity, Innate The capacity of a normal organism to remain unaffected by microorganisms and their toxins. It results from the presence of naturally occurring ANTI-INFECTIVE AGENTS, constitutional factors such as BODY TEMPERATURE and immediate acting immune cells such as NATURAL KILLER CELLS. Immunity, Native,Immunity, Natural,Immunity, Non-Specific,Resistance, Natural,Innate Immune Response,Innate Immunity,Immune Response, Innate,Immune Responses, Innate,Immunity, Non Specific,Innate Immune Responses,Native Immunity,Natural Immunity,Natural Resistance,Non-Specific Immunity
D007962 Leukocytes White blood cells. These include granular leukocytes (BASOPHILS; EOSINOPHILS; and NEUTROPHILS) as well as non-granular leukocytes (LYMPHOCYTES and MONOCYTES). Blood Cells, White,Blood Corpuscles, White,White Blood Cells,White Blood Corpuscles,Blood Cell, White,Blood Corpuscle, White,Corpuscle, White Blood,Corpuscles, White Blood,Leukocyte,White Blood Cell,White Blood Corpuscle
D003231 Conjunctivitis INFLAMMATION of the CONJUNCTIVA. Pink Eye,Conjunctivitides,Pink Eyes
D005123 Eye The organ of sight constituting a pair of globular organs made up of a three-layered roughly spherical structure specialized for receiving and responding to light. Eyes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D017951 Antigen Presentation The process by which antigen is presented to lymphocytes in a form they can recognize. This is performed by antigen presenting cells (APCs). Some antigens require processing before they can be recognized. Antigen processing consists of ingestion and partial digestion of the antigen by the APC, followed by presentation of fragments on the cell surface. (From Rosen et al., Dictionary of Immunology, 1989) Antigen Processing,Antigen Presentations,Antigen Processings
D018715 Microscopy, Video Microscopy in which television cameras are used to brighten magnified images that are otherwise too dark to be seen with the naked eye. It is used frequently in TELEPATHOLOGY. Video Microscopy,Videomicrography,Videomicroscopy,Microscopies, Video,Video Microscopies,Videomicrographies,Videomicroscopies
D021621 Imaging, Three-Dimensional The process of generating three-dimensional images by electronic, photographic, or other methods. For example, three-dimensional images can be generated by assembling multiple tomographic images with the aid of a computer, while photographic 3-D images (HOLOGRAPHY) can be made by exposing film to the interference pattern created when two laser light sources shine on an object. Computer-Assisted Three-Dimensional Imaging,Imaging, Three-Dimensional, Computer Assisted,3-D Image,3-D Imaging,Computer-Generated 3D Imaging,Three-Dimensional Image,Three-Dimensional Imaging, Computer Generated,3 D Image,3 D Imaging,3-D Images,3-D Imagings,3D Imaging, Computer-Generated,3D Imagings, Computer-Generated,Computer Assisted Three Dimensional Imaging,Computer Generated 3D Imaging,Computer-Assisted Three-Dimensional Imagings,Computer-Generated 3D Imagings,Image, 3-D,Image, Three-Dimensional,Images, 3-D,Images, Three-Dimensional,Imaging, 3-D,Imaging, Computer-Assisted Three-Dimensional,Imaging, Computer-Generated 3D,Imaging, Three Dimensional,Imagings, 3-D,Imagings, Computer-Assisted Three-Dimensional,Imagings, Computer-Generated 3D,Imagings, Three-Dimensional,Three Dimensional Image,Three Dimensional Imaging, Computer Generated,Three-Dimensional Images,Three-Dimensional Imaging,Three-Dimensional Imaging, Computer-Assisted,Three-Dimensional Imagings,Three-Dimensional Imagings, Computer-Assisted
D023421 Models, Animal Non-human animals, selected because of specific characteristics, for use in experimental research, teaching, or testing. Experimental Animal Models,Laboratory Animal Models,Animal Model,Animal Model, Experimental,Animal Model, Laboratory,Animal Models,Animal Models, Experimental,Animal Models, Laboratory,Experimental Animal Model,Laboratory Animal Model,Model, Animal,Model, Experimental Animal,Model, Laboratory Animal,Models, Experimental Animal,Models, Laboratory Animal

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