However , recent data shows that leptomycin causes G1 cell cycle arrest in mammalian cells and is a potent anti-tumor agent against murine experimental tumors in combination therapy .
Since then this elongation effect has been used for the bioassay of leptomycin .
Recent data shows that leptomycin causes G1 cell cycle arrest in mammalian cells and is a potent anti-tumor agent against murine experimental tumors in combination therapy .
Since then this elongation effect has been used for the bioassay of leptomycin .