text:  Tmprss6 KO, saline injected 1 mouse liver_Tmprss6 KO, saline injected strain: mixed 129/Ola × C57BL/6; tissue: liver; genotype/variation: Tmprss6 KO; growth protocol: 4 week old mice maintained on iron replete diet for 3 weeks; stress: control; age: 7 weeks old