Pancytopenia is related to aplastic anemia and fanconi anemia, complementation group a. An important gene associated with Pancytopenia is TCN2 (Transcobalamin 2), and among its related pathways/superpathways are Hematopoietic Stem Cells and Lineage-specific Markers and Validated targets of C-MYC transcriptional activation. The drugs Oprelvekin and Nandrolone decanoate have been mentioned in the context of this disorder. Affiliated tissues include bone marrow and monocytes, and related phenotypes are homeostasis/metabolism and immune system