Tryptophan metabolism-derived prognostic signature: A potential biomarker for risk stratification and exploratory immunotherapy relevance analysis in prostate cancer.
ObjectiveProstate cancer (PCa) lacks reliable biomarkers to distinguish indolent from aggressive tumors. Tryptophan metabolism (TM) participates in regulating tumor immunity and malignant progression, yet its prognostic relevance in PCa remains poorly characterized.MethodsTranscriptomic and clinical data of TCGA-PRAD c...