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pubmed-article:2643587pubmed:dateCreated1989-2-28lld:pubmed
pubmed-article:2643587pubmed:abstractTextThe feline model of induced rejection of corneal allografts was employed to define the changes in the concentrations of immunoglobulins and albumin in the anterior chamber prior to, and concomitant with the rejection of the transplanted cornea. Fourteen animals received unilateral exchange corneal allografts. Aqueous humor obtained by anterior chamber paracentesis at regular intervals prior to and following the performance of the penetrating keratoplasties was analyzed for IgG, IgM and albumin concentrations using the micro enzyme-linked immunosorbant assay (ELISA). Two patterns of anterior chamber protein modulation were observed. Eight of the animals demonstrated a biphasic pattern in which both immunoglobulin and albumin concentrations were elevated two- to five-fold above presurgical values 14 days postkeratoplasty, returning to preoperative values by day 42. Three to 5 weeks after corneal rejection was induced increases in protein concentrations were observed that correlated with the appearance of clinical signs of rejection. A second, monophasic pattern of anterior chamber protein modulation following keratoplasty was observed in four of the animals. It was distinguishable from the biphasic pattern in that levels did not return to baseline values after the initial rise following keratoplasty until the rejection process was completed. The monophasic response was found to be characteristic of more rapid and vigorous corneal rejection. Examination of albumin to immunoglobulin ratios suggested that all changes in protein levels following keratoplasty were a result of increased influx of serum proteins into the anterior chamber, rather than due to local immunoglobulin synthesis.lld:pubmed
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pubmed-article:2643587pubmed:authorpubmed-author:MeyerR FRFlld:pubmed
pubmed-article:2643587pubmed:authorpubmed-author:MacCallumD...lld:pubmed
pubmed-article:2643587pubmed:authorpubmed-author:LillieJ HJHlld:pubmed
pubmed-article:2643587pubmed:authorpubmed-author:LopatinD EDElld:pubmed
pubmed-article:2643587pubmed:authorpubmed-author:Van PoperinNNlld:pubmed
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pubmed-article:2643587pubmed:volume30lld:pubmed
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pubmed-article:2643587pubmed:pagination122-31lld:pubmed
pubmed-article:2643587pubmed:dateRevised2007-11-14lld:pubmed
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pubmed-article:2643587pubmed:year1989lld:pubmed
pubmed-article:2643587pubmed:articleTitleChanges in aqueous immunoglobulin and albumin levels following penetrating keratoplasty.lld:pubmed
pubmed-article:2643587pubmed:affiliationDepartment of Oral Biology, School of Dentistry, University of Michigan, Ann Arbor 48109-0402.lld:pubmed
pubmed-article:2643587pubmed:publicationTypeJournal Articlelld:pubmed
pubmed-article:2643587pubmed:publicationTypeResearch Support, U.S. Gov't, P.H.S.lld:pubmed