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Two different 5' splice site mutations in the growth hormone gene causing autosomal dominant growth hormone deficiency. 1997

C Missarelli, and L Herrera, and V Mericq, and P Carvallo
Departamento de Bioquimica, Facultad de Medicina, Universidad de Chile, Santiago, Chile.

Four distinct types of isolated growth hormone deficiency (IGHD) have been described to date. Of these IGHD type II has been defined as having a dominant mode of inheritance. We performed a molecular genetic analysis of two patients clinically characterized as IGHD type II. One of the patients and her father shared a heterozygous G-A transition in the first 5' donor splice site of intron III. The second father and daughter studied also showed a heterozygous G-A transition in the fifth base from the 5' donor splice site in the same intron. Both mutations altered the correct splicing of the growth hormone pre-mRNA when the corresponding genes were expressed in COS-7 cells. We propose that both inherited mutations are responsible for IGHD type II in these patients.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D007438 Introns Sequences of DNA in the genes that are located between the EXONS. They are transcribed along with the exons but are removed from the primary gene transcript by RNA SPLICING to leave mature RNA. Some introns code for separate genes. Intervening Sequences,Sequences, Intervening,Intervening Sequence,Intron,Sequence, Intervening
D008297 Male Males
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
D010375 Pedigree The record of descent or ancestry, particularly of a particular condition or trait, indicating individual family members, their relationships, and their status with respect to the trait or condition. Family Tree,Genealogical Tree,Genealogic Tree,Genetic Identity,Identity, Genetic,Family Trees,Genealogic Trees,Genealogical Trees,Genetic Identities,Identities, Genetic,Tree, Family,Tree, Genealogic,Tree, Genealogical,Trees, Family,Trees, Genealogic,Trees, Genealogical
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D003001 Cloning, Molecular The insertion of recombinant DNA molecules from prokaryotic and/or eukaryotic sources into a replicating vehicle, such as a plasmid or virus vector, and the introduction of the resultant hybrid molecules into recipient cells without altering the viability of those cells. Molecular Cloning
D005260 Female Females
D005799 Genes, Dominant Genes that influence the PHENOTYPE both in the homozygous and the heterozygous state. Conditions, Dominant Genetic,Dominant Genetic Conditions,Genetic Conditions, Dominant,Condition, Dominant Genetic,Dominant Gene,Dominant Genes,Dominant Genetic Condition,Gene, Dominant,Genetic Condition, Dominant
D006579 Heterozygote An individual having different alleles at one or more loci regarding a specific character. Carriers, Genetic,Genetic Carriers,Carrier, Genetic,Genetic Carrier,Heterozygotes

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