The present invention relates to in vitro methods of producing mature dendritic cells, a dendritic yell maturation cocktail, a method of producing mature antigen presenting dendritic cells in vitro, methods of manufacturing vaccines containing mature dendritic cells, antigen-presenting mature dendritic cells produced according to the methods described, vaccines containing the mature antigen-presenting dendritic cells and methods of treatment and used of mature antigen-presenting cells of the invention.