New and Updated Topics and Pathways. In V85, Topics with new or revised pathways include Developmental Biology ( Cardiogenesis , Formation of intermediate mesoderm , Formation of paraxial mesoderm , Somitogenesis , Specification of primordial germ cells ), Cell-Cell communication ( Regulation of Expression and Function of Type II Classical Cadherins , Regulation of CDH11 Expression and Function , and Regulation of CDH19 Expression and Function ), Cellular responses to stimuli ( ATF6B (ATF6-beta) activates chaperones ), Immune System ( IFNG signaling activates MAPKs and Interferon gamma signali