Zhao, Y., Tian, X., Jiang, J., Dong, H., Feng, H., Liu, X., Shang, L., Wu, N. (2026). Metabolomics-based and functional validation to explore the effect of the gut microbe-associated metabolite guanidinoacetic acid on rectal adenocarcinoma. Scientific Reports. https://doi.org/10.1038/s41598-026-45564-4