Complex sentence: CD14 positive (CD14 +) monocytes can differentiate into a host of different cells, including dendritic cells, a differentiation pathway encouraged by cytokines, including GM-CSF and IL-4.
Split into simpler sentences: CD14 positive (CD14 +) monocytes can differentiate into a host of different cells. One type of them is the dendritic cell, differentiation towards which is encouraged by cytokines, including GM-CSF and IL-4.