STK11 and Cachexia: Tissue-specific Cre-Lox LKB1 murine knockout models have identified many pathologies driven by mutational inactivation of LKB1 including cardiac defects,78 metabolic disorders,79 cachexia,80 kidney disease,81 hormonal imbalances,82 and tumorigenesis2,83, 84, 85 (Table 1).