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SHR Neuro Krebs Kardio Lipid Stoffw Microb

Zulpaite, R; Miknevicius, P; Leber, B; Strupas, K; Stiegler, P; Schemmer, P.
Tryptophan Metabolism via Kynurenine Pathway: Role in Solid Organ Transplantation.
Int J Mol Sci. 2021; 22(4): Doi: 10.3390/ijms22041921 [OPEN ACCESS]
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Führende Autor*innen der Med Uni Graz

Stiegler Philipp

Co-Autor*innen der Med Uni Graz

Leber Bettina

Schemmer Peter

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Abstract:

Solid organ transplantation is a gold standard treatment for patients suffering from an end-stage organ disease. Patient and graft survival have vastly improved during the last couple of decades; however, the field of transplantation still encounters several unique challenges, such as a shortage of transplantable organs and increasing pool of extended criteria donor (ECD) organs, which are extremely prone to ischemia-reperfusion injury (IRI), risk of graft rejection and challenges in immune regulation. Moreover, accurate and specific biomarkers, which can timely predict allograft dysfunction and/or rejection, are lacking. The essential amino acid tryptophan and, especially, its metabolites via the kynurenine pathway has been widely studied as a contributor and a therapeutic target in various diseases, such as neuropsychiatric, autoimmune disorders, allergies, infections and malignancies. The tryptophan-kynurenine pathway has also gained interest in solid organ transplantation and a variety of experimental studies investigating its role both in IRI and immune regulation after allograft implantation was first published. In this review, the current evidence regarding the role of tryptophan and its metabolites in solid organ transplantation is presented, giving insights into molecular mechanisms and into therapeutic and diagnostic/prognostic possibilities.

Find related publications in this database (Keywords)

transplantation

ischemia-reperfusion

tolerance

rejection

tryptophan

kynurenine

indoleamine-2

3-dioxygenase

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