CCKAR
Cholecystokinin receptor type A (CCK-A receptor) (CCK-AR) (Cholecystokinin-1 receptor) (CCK1-R) [CCKRA]
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Phenotypes of various genes related to geriatric diseases and the aging process were assessed in the National Institute for Longevity Sciences, Longitudinal Study of Aging (NILS-LSA). The subjects were 1,297 participants in the NILS-LSA. They were community-living males and females aged 40 to 79 years who were randomly selected from the area of the NILS. Genotypic and allelic frequencies of genes in the subjects were analyzed. Age and gender differences in the distribution of genotypes were also tested. The genotypic frequencies were as follows: (1) Angiotensin I-converting enzyme (ACE) genotype was I/I 46.2%, I/D 38.3% and D/D 15.5%. (2) alpha 1-adrenoreceptor genotype was C/C 84.4%, C/T 12.7%, and T/T 3.0%. (3) Apolipoprotein E genotype was epsilon 2/epsilon 2 0%, epsilon 2/epsilon 3 7.9%, epsilon 3/epsilon 3 70.0%, epsilon 3/epsilon 4 20.8%, epsilon 2/epsilon 4 0%, and epsilon 4/epsilon 4 1.4%. (4) Cholecystokinin type-A receptor (CCKAR) nucleotide-81 (nt-81) genotype was A/A 59.1%, A/G 35.1%, and G/G 5.9%. The CCKAR nucleotide-128 genotype (nt-128) was G/G 74.3%, G/T 23.6%, and T/T 2.2%. The combination of nucleotide (nt-81, nt-128) was (A/A, G/G) 59.1%, (A/G, G/G) 14.1%, (G/G, G/G) 1.1%, (A/G, G/T) 21.0%, (G/G, G/T) 2.6%, and (G/G, T/T) 2.1%. There were no subjects with (A/A, G/T), (A/A, T/T) or (A/G, T/T) genotypic combinations. (5) beta 3-adrenoreceptor genotype was T/T 66.8%, T/A 28.5%, and A/A 4.7%. (6) Dihydrolipoamide succinyltransferase (DLST) nucleotide 19117 genotype was A/A 25.1%, A/G 49.7%, and G/G 25.1%. The DLST nucleotide 19183 genotype was C/C 55.8%, C/T 38.2%, and T/T 5.9%. The combination of nucleotide (nt19117, nt19183) was (A/A, C/C) 6.7%, (A/G, C/C) 24.1%, (G/G, C/C) 25.1%, (A/G, C/T) 25.6%, (A/A, T/T) 5.9%, and (A/A, C/T) 12.6%. There were no subjects with (A/G, T/T), (G/G, T/T) or (G/G, T/C) genotypic combinations. (7) Transforming growth factor-beta 1 genotype T/T 35.2%, T/C 44.6%, and C/C 20.2%. (8) The platelet-activating factor acetylhydrolase genotype was M/M 71.7%, M/m 27.2%, and m/m 1.2%. The mitochondria DNA 5178 genotype A was 42.1% and C was 57.9%. There were no significant gender or age differences in tested genotypic and allelic distribution except for the DLST and apolipoprotein E. Differences in the genotypic frequencies of distribution using the Hardy-Weinberg equilibrium were significant in the ACE and alpha 1-adrenoreceptor genotypes.
MeSH Terms
- Adult
- Age Distribution
- Aged
- Aging
- Alleles
- Apolipoproteins E
- Female
- Genotype
- Geriatric Assessment
- Geriatrics
- Humans
- Japan
- Longitudinal Studies
- Male
- Middle Aged
- Molecular Epidemiology
- Peptidyl-Dipeptidase A
- Receptors, Purinergic P1
- Sex Distribution