title: Building complex tissues: high-throughput screening for molecules required in hair engineering.
abstract: A fully functional model of hair reconstitution remains elusive because of the complexity of cellular organization and the number of molecular interactions that must be approximated. In this issue, Havlickova et al. (2009) report a significant contribution to hair engineering with their human folliculoid microsphere assay.
authors.affiliation: Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA.
authors.forename: Lily F
authors.initials: LF
authors.lastname: Lee
authors.forename: Cheng-Ming
authors.initials: CM
authors.lastname: Chuong