Inducible, Reversible Hair Loss in Transgenic Mice
June 2002
in “
Transgenic Research
”
Studysummary This study suggests that inducible transgenic mice showing hair follicle changes similar to telogen effluvium in humans might serve as a useful model for understanding this type of hair loss. Our plain-language summary of this paper — not a Tressless recommendation.
In 2002, researchers developed a transgenic mouse model that exhibited inducible and reversible hair loss, mimicking the human condition of telogen effluvium. The mice had high levels of tetracycline transactivator (tTA) and a luciferase reporter gene, which caused an increase in hair follicles in the telogen phase and a decrease in the anagen phase. The hair loss was reversed with doxycycline treatment. Although the number of mice used was not specified, the study suggested that this model could be valuable for understanding the molecular mechanisms of telogen effluvium and hair loss regulation. The researchers planned to further investigate gene expression profiles in these mice to identify genes associated with hair loss and recovery.