Relation of PCSK9 mutations to serum low-density lipoprotein cholesterol in childhood and adulthood (from The Bogalusa Heart Study). 2007

D Michael Hallman, and Sathanur R Srinivasan, and Wei Chen, and Eric Boerwinkle, and Gerald S Berenson
Human Genetics Center, University of Texas Health Science Center, Houston, Texas, USA. d.michael.hallman@uth.tmc.edu

Specific mutations in the gene for proprotein convertase, subtilisin-kexin type 9 (PCSK9), that are associated with lower coronary heart disease risk may produce lifelong decreases in low-density lipoprotein (LDL) cholesterol levels, but data on their effects in younger subjects are lacking. We analyzed associations of 1 missense (R46L) and 2 nonsense (Y142X and C679X) PCSK9 mutations with serum LDL cholesterol in 478 African-Americans and 1,086 whites, 4 to 38 years of age, examined 3 to 8 times in the Bogalusa Heart Study. L46 allele frequency in whites was 0.017 +/- 0.003; the combined frequency of X142 or X679 alleles in African-Americans was 0.016 +/- 0.005. In whites, LDL cholesterol was lower in L46 carriers (78.9 +/- 21.8 mg/dl) than in noncarriers (89.7 +/- 24.9 mg/dl, p = 0.027) at their first examination (mean age 9.4 +/- 3.2 years). African-Americans carrying the X142 or X679 allele had lower LDL cholesterol levels than did noncarriers (77.3 +/- 15.1 vs 91.4 +/- 23.9 mg/dl, p = 0.043) at their first examination (mean age 9.0 +/- 3.0 years). Longitudinal LDL cholesterol profiles were significantly lower in whites with the L46 allele and in African-Americans with the X142 or X679 allele. In conclusion, our results show that these PCSK9 variants are associated with significantly lower LDL cholesterol levels starting in childhood.

UI MeSH Term Description Entries
D008078 Cholesterol, LDL Cholesterol which is contained in or bound to low density lipoproteins (LDL), including CHOLESTEROL ESTERS and free cholesterol. LDL Cholesterol,Cholesteryl Linoleate, LDL,LDL Cholesteryl Linoleate,Low Density Lipoprotein Cholesterol,beta-Lipoprotein Cholesterol,Cholesterol, beta-Lipoprotein,beta Lipoprotein Cholesterol
D008145 Louisiana State bounded by Arkansas on the north, by Mississippi on the east, the Gulf of Mexico on the south and Texas on the west.
D008297 Male Males
D001741 Black or African American A person having origins in any of the black racial groups of Africa (https://www.federalregister.gov/documents/1997/10/30/97-28653/revisions-to-the-standards-for-the classification-of-federal-data-on-race-and-ethnicity). In the United States it is used for classification of federal government data on race and ethnicity. Race and ethnicity terms are self-identified social construct and may include terms outdated and offensive in MeSH to assist users who are interested in retrieving comprehensive search results for studies such as in longitudinal studies. African American,African Americans,African-American,Afro-American,Afro-Americans,Black Americans,Blacks,Negroes,African-Americans,Negro,Afro American,Afro Americans,American, African,American, Black,Black American
D003327 Coronary Disease An imbalance between myocardial functional requirements and the capacity of the CORONARY VESSELS to supply sufficient blood flow. It is a form of MYOCARDIAL ISCHEMIA (insufficient blood supply to the heart muscle) caused by a decreased capacity of the coronary vessels. Coronary Heart Disease,Coronary Diseases,Coronary Heart Diseases,Disease, Coronary,Disease, Coronary Heart,Diseases, Coronary,Diseases, Coronary Heart,Heart Disease, Coronary,Heart Diseases, Coronary
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000071449 Proprotein Convertase 9 A proprotein convertase that is essential for CHOLESTEROL homeostasis. It binds to and is required for the lysosomal degradation of the LDL RECEPTOR (LDLR); the VLDL receptor, and the APOLIPOPROTEIN E RECEPTOR. It also regulates neuronal APOPTOSIS. NARC-1 Protein,Neural Apoptosis-Regulated Convertase 1,Proprotein Convertase, Subtilisin-Kexin Type 9,Convertase 9, Proprotein,NARC 1 Protein,Neural Apoptosis Regulated Convertase 1,Proprotein Convertase, Subtilisin Kexin Type 9
D000483 Alleles Variant forms of the same gene, occupying the same locus on homologous CHROMOSOMES, and governing the variants in production of the same gene product. Allelomorphs,Allele,Allelomorph
D012307 Risk Factors An aspect of personal behavior or lifestyle, environmental exposure, inborn or inherited characteristic, which, based on epidemiological evidence, is known to be associated with a health-related condition considered important to prevent. Health Correlates,Risk Factor Scores,Risk Scores,Social Risk Factors,Population at Risk,Populations at Risk,Correlates, Health,Factor, Risk,Factor, Social Risk,Factors, Social Risk,Risk Factor,Risk Factor Score,Risk Factor, Social,Risk Factors, Social,Risk Score,Score, Risk,Score, Risk Factor,Social Risk Factor

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