期刊
TRANSPLANTATION
卷 69, 期 2, 页码 303-307出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/00007890-200001270-00018
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Background. A practical method of monitoring engraftment by transplanted hepatocytes for the purpose of bridging human liver failure to native regeneration is described. Methods. A previously healthy 37-year-old female with a a-week history of a febrile illness presented with fulminant liver failure. Findings on admission included the following: illicit drug use, serum hepatitis B surface antigen positive, grade 1 encephalopathy, prothrombin time (pt) >100 sec, F-7<1%, NH3 150 mu mol/L, alanine aminotransferase 4079 U/L, total bilirubin level 11.4 mg/dl, and glucose 70 mg/dl (on TV D-10). With immunosuppression, 8.8x10(8), 96% viable human hepatocytes were intraportally infused. Clinical chemistries, total sHLA class I, and ELISA to measure donor-specific sHLA-A(1) and -B-8 were recorded. Serial transjugular liver biopsies were performed and pooled for histological examination, DNA extraction, and HLA DNA typing. Results. The patient fully recovered. At months 3 and 4 with donor biopsy specimen class I HLA DNA no longer detectable, immunosuppression was tapered off. The patient is clinically normal, serum hepatitis B surface antigen negative at 10 months of follow-up. Conclusions. Bridging liver failure with donor hepatocytes with HLA class I antigen disparate from recipients is clinically feasible, and allows for a marker, combined with serial graft histology, to safely wean immunosuppression when native liver regeneration succeeds.
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