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[Cystic fibrosis in Asturias: an elevated frequency of the delta F508 mutation]. 1994

E Coto, and C Bousoño, and M J Menéndez, and R Cue, and J F Toral, and A Benavides, and I Hernando, and A Plasencia, and C López-Larrea
Laboratorio de Genética Molecular (Servicio de Inmunología), Hospital Central Universitario de Asturias, Oviedo.

BACKGROUND Cystic fibrosis (CF) is the most common autosomic-recessive inherited disorder. More than 300 different mutations in the CF gene (CFTR) have been described, being delta F508 and G542X the most common in the Spanish population. The frequencies of these mutations vary between the different European populations. METHODS We have studied the delta F508 and G542X mutations in 20 CF-patients from Asturias. These mutations were analysed through the polymerase chain reaction (PCR). RESULTS The frequency of the delta F508 mutation in Asturias was 77.5%, higher than those found in most of the other Spanish populations. The frequency found in Asturias is close to the frequency described for the Basque Country population. Patients homozygous for the delta F508 mutation showed clinical symptoms similar to those described in studies on other populations. CONCLUSIONS The high frequency of two mutations in the CFTR gene in Asturias makes possible the direct diagnostic in most families. The delta F508 mutation is associated to severe clinical manifestations, like early pancreatic insufficiency and Pseudomonas infection.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D009154 Mutation Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations. Mutations
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D003550 Cystic Fibrosis An autosomal recessive genetic disease of the EXOCRINE GLANDS. It is caused by mutations in the gene encoding the CYSTIC FIBROSIS TRANSMEMBRANE CONDUCTANCE REGULATOR expressed in several organs including the LUNG, the PANCREAS, the BILIARY SYSTEM, and the SWEAT GLANDS. Cystic fibrosis is characterized by epithelial secretory dysfunction associated with ductal obstruction resulting in AIRWAY OBSTRUCTION; chronic RESPIRATORY INFECTIONS; PANCREATIC INSUFFICIENCY; maldigestion; salt depletion; and HEAT PROSTRATION. Mucoviscidosis,Cystic Fibrosis of Pancreas,Fibrocystic Disease of Pancreas,Pancreatic Cystic Fibrosis,Pulmonary Cystic Fibrosis,Cystic Fibrosis, Pancreatic,Cystic Fibrosis, Pulmonary,Fibrosis, Cystic,Pancreas Fibrocystic Disease,Pancreas Fibrocystic Diseases
D004591 Electrophoresis, Polyacrylamide Gel Electrophoresis in which a polyacrylamide gel is used as the diffusion medium. Polyacrylamide Gel Electrophoresis,SDS-PAGE,Sodium Dodecyl Sulfate-PAGE,Gel Electrophoresis, Polyacrylamide,SDS PAGE,Sodium Dodecyl Sulfate PAGE,Sodium Dodecyl Sulfate-PAGEs
D005787 Gene Frequency The proportion of one particular in the total of all ALLELES for one genetic locus in a breeding POPULATION. Allele Frequency,Genetic Equilibrium,Equilibrium, Genetic,Allele Frequencies,Frequencies, Allele,Frequencies, Gene,Frequency, Allele,Frequency, Gene,Gene Frequencies
D006720 Homozygote An individual in which both alleles at a given locus are identical. Homozygotes

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