LCN2 and infection: However, with Tc infection, the mean transcriptional expression of proteins similar to lipocalins 2 and 3 (R. prolixus) showed 64 and 16-fold decrease, respectively, whereas proteins similar to AI-6 precursor (P. plagipennis) showed 4-fold increase on day 2 compared to those in prolonged fasting, with values only recovering to this level on day 9.