Neutropenia, Severe Congenital, X-Linked, also known as x-linked severe congenital neutropenia, is related to wiskott-aldrich syndrome and neutropenia. An important gene associated with Neutropenia, Severe Congenital, X-Linked is WAS (WASP Actin Nucleation Promoting Factor), and among its related pathways/superpathways are Regulation of actin dynamics for phagocytic cup formation and Cytoskeletal Signaling. Affiliated tissues include neutrophil and bone marrow, and related phenotypes are neutropenia and recurrent bacterial infections