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This study found that overexpression of the enzyme spermidine/spermine N1-acetyltransferase in mice was associated with increased fat oxidation and a leaner phenotype, while knock-out mice exhibited increased fat accumulation.

This study found that transgenic mice overexpressing the SSAT gene under a metallothionein promoter suffered delayed hair loss and were highly sensitive to polyamine analogues, which led to significant liver changes and mortality.

In this study, transgenic mice overexpressing the SSAT gene were highly sensitive to polyamine analogues, leading to severe liver changes and high mortality rates after treatment.

This study suggests that activation of polyamine catabolism in K6-SSAT transgenic mice may significantly increase skin tumor development and progression to carcinomas following chemical induction.

This study suggests that increased putrescine levels may disrupt normal hair follicle development in transgenic mice, leading to hair loss and altered skin structure, yet these mice appear more resistant to skin tumorigenesis.