title: An A to T transversion at position -5 of the factor IX promoter results in hemophilia B.
abstract: The molecular pathology that results in hemophilia B has been determined by many studies to be highly variable. Several point mutations have been identified in a 40-bp region within the Factor IX promoter. These include mutations at nucleotides -20, -6, +8, and +13. Here we report an A to T transversion at position -5 of the Factor IX gene. There is strong circumstantial evidence to support an important role for this region of the Factor IX promoter in the developmental regulation of the gene through the binding of specific transcription factors.
authors.affiliation: Department of Pathology, Queen's University, Kingston, Ontario, Canada.
authors.forename: D J
authors.initials: DJ
authors.lastname: Picketts
authors.forename: C
authors.initials: C
authors.lastname: D'Souza
authors.forename: P J
authors.initials: PJ
authors.lastname: Bridge
authors.forename: D
authors.initials: D
authors.lastname: Lillicrap
mesh_terms: D004252:DNA Mutational Analysis; D004591:Electrophoresis, Polyacrylamide Gel; D005164:Factor IX / Q000235:genetics*; D005260:Female; D002836:Hemophilia B / Q000235:genetics*; D006801:Humans; D008297:Male; D009154:Mutation; D016133:Polymerase Chain Reaction; D011401:Promoter Regions, Genetic
chemical_list: D005164:Factor IX