ReviewJournal of advanced research2026
Tryptophan metabolism in tumor microenvironment and therapeutic implications.
Review in Journal of advanced research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
9 citing papers in PubMed.
- Aegle marmelos neuroprotective potential in demyelination rat model through modulation of BDNF, GDNF, HSP-90 and HSP-60.Inflammopharmacology · 2026Article
- Beyond Supportive Care: Mitochondria as a Strategic Therapeutic Avenue in Acute Pancreatitis.Digestive diseases and sciences · 2026Review
- Bidirectional Modulation of the Tumor Immune Microenvironment by Gut Microbiota-Derived Indoles: Mechanisms and Therapeutic Potential.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2026Review
- Antipathogenic carbon dots synthesized from fluorescent amino acids and their photodynamic activity.Discover nano · 2026Article
- Genetic mapping and identification of a major quantitative trait locus associated with the high fiber strength introgressed from Gossypium barbadense.Plant cell reports · 2026Article
- Ferroptosis as a Pathogenic Mechanism and Therapeutic Target in Autoimmune and Inflammatory Skin Diseases.Clinical reviews in allergy & immunology · 2026Review
- Alternative approaches in combating antimicrobial resistance in animals.Archives of microbiology · 2026Review
- The symbiotic axis between the acidic tumor microenvironment and cancer stem cells: a driver of malignancy and therapeutic resistance.Frontiers in oncology · 2026Review
- An alpha/beta-hydrolase-like gene (GhABH) is identified to be responsible for fiber quality from a multi-effect quantitative trait locus (QTL) on chromosome A06 of upland cotton.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundTryptophan (Trp) catabolism has been recognized as a key immunosuppressive axis in cancer. However, this largely centered on indoleamine-2,3-dioxygenase 1 (IDO1). The clinical failure of IDO1 inhibitors has exposed the limitations of this reductionist view. AIM OF REVIEW: To re-synthesize current knowledge into a further understanding of Trp metabolism, and propose biomarker-guided, multi-node intervention strategies that can resurrect Trp metabolism as a precision immuno-oncology target. Key Scientific Concepts of Review: This review comprehensively describes the pathways of Trp metabolism in the human body and the key enzymes that can serve as therapeutic targets, thus proposing the possibility of multi enzyme combined inhibition. Second, we synthesize how Trp metabolites can modulate the functionality of immune cells, mainly T cells, within the tumor microenvironment, thereby affecting tumor immune surveillance and the efficacy of immunotherapy. Then we discuss how tumor cells manipulate Trp metabolic pathways to enhance their survival and metastasis. We also propose a new framework for targeting Trp metabolism, such as combining enzymes inhibitors or Aryl hydrocarbon receptor (AhR) antagonists with immune checkpoint blockade. By shifting from "IDO1-focus" paradigms to comprehensive metabolic interventions, we may release more potential of Trp modulation in cancer immunotherapy.
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