Institut for Biomedicin

Lars Bolund

Epidermolysis bullosa simplex keratinocytes with extended lifespan established by ectopic expression of telomerase

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As part of a strategy to develop somatic gene therapy of epidermolysis bullosa simplex (EBS) we have established patient keratinocytes with expanded lifespan by ectopic expression of the human telomerase gene (hTert). The presence of an active telomerase enzyme was demonstrated by the telomerase repeat amplification protocol (TRAP). The hTert(+) cells have a normal karyotype and the cells have, until now, undergone more than 80 population doublings (PDs) after hTert retroviral transduction while control cells exhibited senescence-associated proliferation arrest after 8 PDs. In organotypic culture the hTert(+) cells are capable of forming a stratified epidermis illustrating their preserved ability to differentiate.

OriginalsprogEngelsk
TidsskriftExperimental Dermatology Online
Vol/bind12
Nummer1
Sider (fra-til)71-7
Antal sider7
ISSN0906-6705
StatusUdgivet - feb. 2003

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