  We introduce a particle-based model of self-replicating cells on a deformable
substrate composed of the dermis and the basement membrane and investigate the
relationship between dermal deformations and stem cell pattering on it. We show
that our model reproduces the formation of dermal papillae, protuberances
directing from the dermis to the epidermis, and the preferential stem cell
distributions on the tips of the dermal papillae, which the basic buckling
mechanism fails to explain. We argue that cell-type-dependent adhesion strength
of the cells to the basement membrane is crucial factors of these patterns.
