Transfusion · 2006
Antibodies against glutathione S-transferase T1 in non-solid organ transplanted patients.
Сравнительное исследованиеСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Wichmann Ingeborg, Aguilera Isabel, Sousa José M, Bernardos Angel, García Núñez Emilio J, Vigil Eduardo, Magariño Rosario, Magariño Isabel, Torres Antonia, Núñez-Roldán Antonio
Аннотация
BACKGROUND: This article describes the presence of antibodies against glutathione S-transferase T1 (GSTT1) in a group of patients who never received a solid organ graft. These antibodies have been previously detected in liver and kidney transplant subjects with donor-recipient mismatch for this enzyme at the genetic level. In liver-grafted subjects, the appearance of these antibodies correlated with de novo immune hepatitis.
STUDY DESIGN AND METHODS: To obtain some insights in this phenomenon, the clinical records of these patients were reviewed, and the possible causes leading to the production of these antibodies and possible clinical consequences were analyzed.
RESULTS: The clinical situation of these patients was very heterogeneous, but they had in common the need for transfusions or a previous pregnancy. GSTT1 antigen is present in red blood cells, liver, kidney, and other tissues. Because the presence of the GSTT1-null allele in seven of these patients has been demonstrated, it can be hypothesized that both GSTT1-positive transfusions or pregnancy of a GSTT1-positive fetus could induce these antibodies. Because the recipient is allele-null, no adverse effects in the host are expected to occur. The longest follow-up (5 years) shows no antibody-derived diseases.
CONCLUSION: It is concluded that anti-GSTT1 can appear in a context different from the previously published alloreactivity after liver and kidney transplantation, as a consequence of transfusions and pregnancies. So far, no adverse clinical outcomes in our patients have been observed.
STUDY DESIGN AND METHODS: To obtain some insights in this phenomenon, the clinical records of these patients were reviewed, and the possible causes leading to the production of these antibodies and possible clinical consequences were analyzed.
RESULTS: The clinical situation of these patients was very heterogeneous, but they had in common the need for transfusions or a previous pregnancy. GSTT1 antigen is present in red blood cells, liver, kidney, and other tissues. Because the presence of the GSTT1-null allele in seven of these patients has been demonstrated, it can be hypothesized that both GSTT1-positive transfusions or pregnancy of a GSTT1-positive fetus could induce these antibodies. Because the recipient is allele-null, no adverse effects in the host are expected to occur. The longest follow-up (5 years) shows no antibody-derived diseases.
CONCLUSION: It is concluded that anti-GSTT1 can appear in a context different from the previously published alloreactivity after liver and kidney transplantation, as a consequence of transfusions and pregnancies. So far, no adverse clinical outcomes in our patients have been observed.