GH1 and obesity due to melanocortin 4 receptor deficiency: However, previous studies of LT from DBDs using a genetically induced obesity model of liver steatosis and without associated inflammation reported that steatotic livers subjected to 6 h of cold ischaemia (CI) had altered GH levels and an exacerbation of damage after exogenous GH administration (Álvarez-Mercado et al., 2019).