Monoclonal antibody against CD11b/CD18 inhibits endotoxin-induced uveitis

To examine the serial expression of cell adhesion molecules in C3H/HeN mice with endotoxin-induced uveitis, and to study the effect of treatment with a monoclonal antibody against Mac-1 on the development of endotoxin-induced uveitis. Immunohistochemical staining was used to document the serial expr...

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Veröffentlicht in:Investigative ophthalmology & visual science 1993-03, Vol.34 (3), p.673-681
Hauptverfasser: Whitcup, SM, DeBarge, LR, Rosen, H, Nussenblatt, RB, Chan, CC
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container_title Investigative ophthalmology & visual science
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creator Whitcup, SM
DeBarge, LR
Rosen, H
Nussenblatt, RB
Chan, CC
description To examine the serial expression of cell adhesion molecules in C3H/HeN mice with endotoxin-induced uveitis, and to study the effect of treatment with a monoclonal antibody against Mac-1 on the development of endotoxin-induced uveitis. Immunohistochemical staining was used to document the serial expression of Mac-1, intercellular adhesion molecule-1 (ICAM-1), and lymphocyte function-associated antigen-1 (LFA-1) in eyes of C3H/HeN mice with endotoxin-induced uveitis. Then, in two separate experiments, endotoxin-induced uveitis was produced in a total of 48 mice by injecting Salmonella typhimurium endotoxin into one hind footpad. At the time of endotoxin injection, 24 mice received an intraperitoneal injection of anti-Mac-1 antibody and 24 control mice received an intraperitoneal injection of rat IgG. Histopathologic sections of eyes taken 24 hours after endotoxin injection were graded by two masked observers on a scale of 0 to 4. Intercellular adhesion molecule-1 was first expressed on the ciliary body epithelium 6 hr after endotoxin injection and Mac-1 and LFA-1 were expressed on infiltrating inflammatory cells 12 hr after endotoxin injection. Treatment with anti-MAC-1 antibody significantly inhibited the development of ocular inflammation when compared with treatment with control IgG (P < 0.001). Intercellular adhesion molecule-1 is expressed in the eye before clinical or histologic signs of inflammation. Furthermore, treatment with antibody against Mac-1 significantly inhibits the development of endotoxin-induced uveitis in mice and suggests that anti-Mac-1 antibody may be useful for treating acute ocular inflammation.
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Immunohistochemical staining was used to document the serial expression of Mac-1, intercellular adhesion molecule-1 (ICAM-1), and lymphocyte function-associated antigen-1 (LFA-1) in eyes of C3H/HeN mice with endotoxin-induced uveitis. Then, in two separate experiments, endotoxin-induced uveitis was produced in a total of 48 mice by injecting Salmonella typhimurium endotoxin into one hind footpad. At the time of endotoxin injection, 24 mice received an intraperitoneal injection of anti-Mac-1 antibody and 24 control mice received an intraperitoneal injection of rat IgG. Histopathologic sections of eyes taken 24 hours after endotoxin injection were graded by two masked observers on a scale of 0 to 4. Intercellular adhesion molecule-1 was first expressed on the ciliary body epithelium 6 hr after endotoxin injection and Mac-1 and LFA-1 were expressed on infiltrating inflammatory cells 12 hr after endotoxin injection. Treatment with anti-MAC-1 antibody significantly inhibited the development of ocular inflammation when compared with treatment with control IgG (P &lt; 0.001). Intercellular adhesion molecule-1 is expressed in the eye before clinical or histologic signs of inflammation. 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Treatment with anti-MAC-1 antibody significantly inhibited the development of ocular inflammation when compared with treatment with control IgG (P &lt; 0.001). Intercellular adhesion molecule-1 is expressed in the eye before clinical or histologic signs of inflammation. 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Treatment with anti-MAC-1 antibody significantly inhibited the development of ocular inflammation when compared with treatment with control IgG (P &lt; 0.001). Intercellular adhesion molecule-1 is expressed in the eye before clinical or histologic signs of inflammation. Furthermore, treatment with antibody against Mac-1 significantly inhibits the development of endotoxin-induced uveitis in mice and suggests that anti-Mac-1 antibody may be useful for treating acute ocular inflammation.</abstract><cop>Rockville, MD</cop><pub>ARVO</pub><pmid>8095493</pmid><tpages>9</tpages></addata></record>
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source MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects Animals
Antibodies, Monoclonal - therapeutic use
Antigens, CD - immunology
Bacterial Toxins
Biological and medical sciences
CD18 Antigens
Cell Adhesion Molecules - immunology
Ciliary Body - immunology
Endotoxins
Female
Immunoenzyme Techniques
Immunotherapy
Macrophage-1 Antigen - immunology
Medical sciences
Mice
Mice, Inbred C3H
Ophthalmology
Pigment Epithelium of Eye - immunology
Uvea diseases
Uveitis, Anterior - pathology
Uveitis, Anterior - prevention & control
title Monoclonal antibody against CD11b/CD18 inhibits endotoxin-induced uveitis
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