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Thalidomide modulates renal inflammation induced by brain death experimental model.
Alexandre Chagas Santana1, Wellington Andraus2, Filipe Miranda Oliveira Silva3
1Neurological Surgery Department, University of São Paulo, School of Medicine, São Paulo, Brazil; Organ Procurement Organization, Hospital das Clínicas, University of São Paulo, School of Medicine, São Paulo, Brazil.
Thalidomide effectively reduced the inflammatory response and improved kidney function in a rat model of brain death (BD). This suggests thalidomide may be a potential therapeutic strategy for organ donors experiencing BD.
Area of Science:
- Immunology
- Nephrology
- Transplantation
Background:
- Brain death (BD) triggers inflammation, increasing organ immunogenicity and impacting transplant viability.
- Cytokines play a crucial role in amplifying the immune response during BD.
Purpose of the Study:
- To investigate the inflammatory response in an animal model of BD.
- To analyze the effects of thalidomide, an immunomodulatory drug, on the inflammatory response and renal function in BD.
Main Methods:
- Brain death was induced in Lewis rats, with groups including control, BD, and BD treated with thalidomide.
- Serum urea and creatinine, systemic and renal TNF-α and IL-6 levels, ET-1 mRNA expression, and macrophage infiltration were analyzed.
Main Results:
- BD significantly increased plasma and renal cytokines (TNF-α, IL-6), ET-1 expression, and macrophage infiltration, leading to impaired renal function (elevated urea and creatinine).
- Thalidomide treatment significantly reduced these inflammatory markers and protected kidney function, decreasing urea and creatinine levels.
Conclusions:
- Thalidomide's immunomodulatory effects mitigated systemic and local inflammation in BD.
- Thalidomide treatment diminished renal damage and may represent a viable strategy for improving the quality of organs from BD donors.
