Related Experiment Video
Updated: Jun 21, 2026
10:32
Surgical Tips and Tricks for Performing Porcine Pancreas Transplantation
Published on: July 20, 2022
Plasma complement 3d levels in the early phase after pancreas transplantation
Angela Suermann1, Oliver Vonend, Peter Schenker
1Department of Surgery, Knappschaftkrankenhaus, Ruhr-University Bochum, Bochum-Langendreer, Germany.
Annals of Transplantation
|August 1, 2009
Summary
Plasma complement 3d (C3d) levels rise during pancreas transplant rejection but fall during thrombosis. However, C3d levels alone cannot predict these early pancreas transplant complications.
Area of Science:
- Transplant immunology
- Clinical chemistry
- Biomarker research
Background:
- Early graft loss after pancreas transplantation is primarily due to rejection and thrombosis.
- Identifying predictive markers for these complications is crucial for patient outcomes.
- Complement activation, indicated by split products like C3d, is implicated in rejection and thrombosis.
Observation:
- Plasma C3d levels were prospectively analyzed in pancreas transplant recipients (PTx) within 40 days post-transplant.
- C3d levels were significantly elevated in PTx and kidney transplant patients compared to controls.
- C3d levels increased post-PTx but decreased post-isolated kidney transplant (IKT).
Findings:
- Elevated C3d levels were observed during pancreas rejection episodes (14.0+/-3.5 mg/l) compared to thrombosis (9.1+/-1.6 mg/l) or normal function (10.6+/-1.9 mg/l).
- A slight C3d elevation was noted during kidney rejection in simultaneous pancreas and kidney transplantation (SPKT) but not in IKT.
- Single C3d measurements lack predictive diagnostic value in SPKT.
Implications:
- Plasma C3d levels correlate with pancreas rejection and thrombosis, offering insights into graft status.
- While C3d levels change with rejection and thrombosis, they are not standalone predictors for SPKT.
- Further research may explore combined biomarkers for improved early detection of pancreas transplant complications.
