Affiliation:
1. Departments of Surgery, Medicine, and Pathology, University of Minnesota Minneapolis, Minnesota
Abstract
In a series of 200 pancreas transplants with 6 mo to >9 yr of follow-up, recurrence of disease was identified as the cause of graft failure in 8 cases, all in non- or minimally immunosuppressed recipients of transplants from identical twin (n = 3) or HLA-identical sibling (n = 5) donors. Recurrence of disease was defined as selective loss of β-cells; other endocrine cell types persisted and appeared normal within the islets of the graft. Isletitis was present in islets with residual β-cells during the evolution of the process in all nonimmunosuppressed and in some immunosuppressed recipients, but isletitis resolved in all cases in which β-cell destruction was complete and also resolved in some cases in which residual β-cells were retained after the introduction of or an increase in immunosuppression. Recurrence of disease can be prevented by immunosuppression, and 2 recipients of identical twin grafts and 12 recipients of grafts from HLA-identical siblings had functioning grafts as of March 1988, the longest >7 yr. The process has not been observed in patients in whom full-dose immunosuppression has been used, including HLA-identical siblings, and this may be the reason no cases of recurrence of disease have been identified in recipients of cadaveric grafts. Alternatively, the observations are consistent with, but not proof of, the hypothesis that recurrence of disease (autoimmune isletitis leading to diabetes) is a major histocompatibility complex-restricted phenomenon.
Publisher
American Diabetes Association
Subject
Endocrinology, Diabetes and Metabolism,Internal Medicine
Cited by
210 articles.
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