title: Globin gene studies create a puzzle.
mesh_terms: D000755:Anemia, Sickle Cell / Q000188:drug therapy*; D001374:Azacitidine / Q000494:pharmacology* / Q000627:therapeutic use; D002454:Cell Differentiation / Q000187:drug effects; D003561:Cytarabine / Q000494:pharmacology; D004247:DNA / Q000378:metabolism; D004920:Erythropoiesis; D005319:Fetal Hemoglobin / Q000096:biosynthesis / Q000235:genetics*; D005786:Gene Expression Regulation / Q000187:drug effects*; D006412:Hematopoietic Stem Cells / Q000187:drug effects; D006801:Humans; D006918:Hydroxyurea / Q000494:pharmacology; D007399:Interphase / Q000187:drug effects; D008745:Methylation
chemical_list: D003561:Cytarabine; D004247:DNA; D005319:Fetal Hemoglobin; D001374:Azacitidine; D006918:Hydroxyurea