%0 Journal Article %T Zebrafish as a New Model to Study the Crosstalk between Tumor and Host Metabolism. %A Montal E %A White RM %J Trends Cancer %V 7 %N 8 %D 08 2021 %M 34244124 %F 19.161 %R 10.1016/j.trecan.2021.06.006 %X The mechanism of metabolic crosstalk between different tissues in the host remains poorly understood but is likely to play important roles in tumor growth and cachexia. A recent study from Naser, Jackstadt, et al. utilizes isotope tracing in a zebrafish melanoma model and finds that tumors secrete alanine into circulation, which is taken up by the liver and used for gluconeogenesis.