CTCF and microcytic anemia: A series of network and pathway analyses were performed on genes with cell-type specific CTCF binding sites.[36] Interestingly, genes within 1kb of erythroid cell-specific CTCF sites were highly significantly enriched for Gene Ontogeny Biological Process terms associated with hematopoiesis including “regulation of erythrocyte differentiation” and were enriched for Mouse Phenotype terms including “microcytic anemia” and “decreased mean corpuscular volume.”