ArticleAdvances in experimental medicine and biology2021
Metabolic Stress and Immunity: Nutrient-Sensing Kinases and Tryptophan Metabolism.
Article in Advances in experimental medicine and biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed, 2 citations in OpenAlex.
- Role of amino acid metabolism in tumor immune microenvironment of colorectal cancer.American journal of cancer research · 2025Review
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3 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The tryptophan catabolizing enzyme indoleamine 2,3-dioxygenase (IDO-1) has gained major attention due the immunoregulatory nature of this pathway. Both depletion of tryptophan concentrations as well as the accumulation of downstream metabolites are relevant for the mediation of the manifold consequences of increased tryptophan metabolism. Increased tryptophan catabolism is indicative for several chronic inflammatory disorders such as infections, autoimmune diseases or cancer. Low tryptophan availability is likely to be involved in the manifestation of a variety of comorbidities such as anemia, cachexia, depression and neurocognitive disturbances.Several nutrient sensing kinases are implicated in the downstream effects of dysregulated tryptophan metabolism. These include mechanisms that were conserved during evolution but have gained special features in multicellular eukaryotes, such as pathways regulated by eukaryotic translation initiation factor 2 (eIF-2)-alpha kinase (GCN2, also named general control nonderepressible 2 kinase), 5'-adenosine monophosphate (AMP)-activated protein kinase (AMPK) and target of rapamycin (TOR).The interplay between IDO-1 and above-mentioned pathway seems to be highly context dependent. A better understanding of the crosstalk is necessary to support the search for druggable targets for the treatment of inflammatory and autoimmune disorders.
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