A novel mutation identified in carnitine palmitoyltransferase II deficiency. 1998

B Z Yang, and J H Ding, and D Roe, and T Dewese, and D W Day, and C R Roe
Institute of Metabolic Disease, Baylor University Medical Center, Dallas, Texas 75226, USA.

Carnitine palmitoyltransferase II (CPT II) deficiency is an autosomal recessive disorder of mitochondrial fatty-acid oxidation which presents as three distinct phenotypes (neonatal, infantile, and adult onset). CPT II exons from an adult-onset CPT II-deficient patient were amplified and directly sequenced to further investigate the molecular basis of this disorder. A novel mutation, C471T, in exon 4 of the carnitine palmitoyltransferase II gene was found which created a stop codon, TGA, at residue 124 of the protein (R124Stop). This mutation would result in severe protein truncation. This unique mutation was found on one allele while the S113L mutation, previously reported, was present on the other allele.

UI MeSH Term Description Entries
D008052 Lipid Metabolism, Inborn Errors Errors in the metabolism of LIPIDS resulting from inborn genetic MUTATIONS that are heritable. Lipid Metabolism, Inborn Error
D008297 Male Males
D008928 Mitochondria Semiautonomous, self-reproducing organelles that occur in the cytoplasm of all cells of most, but not all, eukaryotes. Each mitochondrion is surrounded by a double limiting membrane. The inner membrane is highly invaginated, and its projections are called cristae. Mitochondria are the sites of the reactions of oxidative phosphorylation, which result in the formation of ATP. They contain distinctive RIBOSOMES, transfer RNAs (RNA, TRANSFER); AMINO ACYL T RNA SYNTHETASES; and elongation and termination factors. Mitochondria depend upon genes within the nucleus of the cells in which they reside for many essential messenger RNAs (RNA, MESSENGER). Mitochondria are believed to have arisen from aerobic bacteria that established a symbiotic relationship with primitive protoeukaryotes. (King & Stansfield, A Dictionary of Genetics, 4th ed) Mitochondrial Contraction,Mitochondrion,Contraction, Mitochondrial,Contractions, Mitochondrial,Mitochondrial Contractions
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
D010641 Phenotype The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment. Phenotypes
D002334 Carnitine O-Palmitoyltransferase An enzyme that catalyzes reversibly the conversion of palmitoyl-CoA to palmitoylcarnitine in the inner mitochondrial membrane. EC 2.3.1.21. Carnitine Palmitoyltransferase,CPT II,Carnitine Acyltransferase I,Carnitine Palmitoyltransferase I,Carnitine Palmitoyltransferase II,Palmitoylcarnitine Transferase,Palmitylcarnitine Acyltransferase,Acyltransferase I, Carnitine,Acyltransferase, Palmitylcarnitine,Carnitine O Palmitoyltransferase,II, Carnitine Palmitoyltransferase,O-Palmitoyltransferase, Carnitine,Palmitoyltransferase I, Carnitine,Palmitoyltransferase II, Carnitine,Palmitoyltransferase, Carnitine,Transferase, Palmitoylcarnitine
D005091 Exons The parts of a transcript of a split GENE remaining after the INTRONS are removed. They are spliced together to become a MESSENGER RNA or other functional RNA. Mini-Exon,Exon,Mini Exon,Mini-Exons
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D016133 Polymerase Chain Reaction In vitro method for producing large amounts of specific DNA or RNA fragments of defined length and sequence from small amounts of short oligonucleotide flanking sequences (primers). The essential steps include thermal denaturation of the double-stranded target molecules, annealing of the primers to their complementary sequences, and extension of the annealed primers by enzymatic synthesis with DNA polymerase. The reaction is efficient, specific, and extremely sensitive. Uses for the reaction include disease diagnosis, detection of difficult-to-isolate pathogens, mutation analysis, genetic testing, DNA sequencing, and analyzing evolutionary relationships. Anchored PCR,Inverse PCR,Nested PCR,PCR,Anchored Polymerase Chain Reaction,Inverse Polymerase Chain Reaction,Nested Polymerase Chain Reaction,PCR, Anchored,PCR, Inverse,PCR, Nested,Polymerase Chain Reactions,Reaction, Polymerase Chain,Reactions, Polymerase Chain

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