The present invention relates to a plant cell culture from tissues or cells of a plant of the Centella genus, said plant cell culture shows great amounts of the compound madecassoside in respect of the total weight of centellosides. The invention also relates to a method for obtaining the plant cell culture and to pharmaceutical compositions comprising the plant cell culture. The plant cell culture of the invention can be used as a medicament, medical device and/or cosmetic in particular for use as a tissue repair agent.