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ADRB1
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Beta-1 adrenergic receptor (Beta-1 adrenoreceptor) (Beta-1 adrenoceptor) [ADRB1R] [B1AR] ==Publications== {{medline-entry |title=Common genetic variants of the β2-adrenergic receptor affect its translational efficiency and are associated with human longevity. |pubmed-url=https://pubmed.ncbi.nlm.nih.gov/23020224 |abstract=β-adrenoceptors are the common pharmacological targets for the treatment of cardiovascular diseases and asthma. Genetic modifications of β-adrenergic system in engineered mice affect their lifespan. Here, we tested whether genes encoding for key components of the β-adrenergic signaling pathway are associated with human longevity. We performed a 10-year follow-up study of the Chinese longitudinal healthy longevity survey. The Han Chinese population in this study consisted of 963 long-lived and 1028 geography-matched young individuals. Sixteen SNPs from [[ADRB1]], [[ADRB2]], [[ADCY5]], [[ADCY6]], and [[MAPK1]] were selected and genotyped. Two SNPs, rs1042718 (C/A) and rs1042719 (G/C), of [[ADRB2]] in linkage disequilibrium (D' = 1.0; r2 = 0.67) were found to be associated with enhanced longevity in men in two geographically isolated populations. Bonferroni-corrected P-values in a combined analysis were 0.00053-0.010. Men with haplotype A-C showed an increased probability to become centenarians (the frequency of A-C in long-lived and young individuals are 0.332 and 0.250, respectively, OR = 1.49, CI 95% = 1.17-1.88, P = 0.0007), in contrast to those with haplotype C-G (the frequency of C-G in long-lived and young individuals are 0.523 and 0.635, respectively, OR = 0.63, CI 95% = 0.51-0.78, P = 0.000018). The permuted P-values were 0.00005 and 0.0009, respectively. [[ADRB2]] encodes the β2-adrenergic receptor; the haplotype A-C markedly reduced its translational efficiency compared with C-G (P = 0.002) in transfected HEK293 cells. Thus, our data indicate that enhanced production of β2-adrenergic receptors caused by genetic variants is inversely associated with human lifespan. |mesh-terms=* Adenylyl Cyclases * Aged, 80 and over * Aging * Asian Continental Ancestry Group * Case-Control Studies * Female * Follow-Up Studies * Genes, Reporter * HEK293 Cells * Haplotypes * Humans * Linkage Disequilibrium * Longevity * Luciferases, Renilla * Male * Mitogen-Activated Protein Kinase 1 * Polymorphism, Single Nucleotide * Protein Biosynthesis * Receptors, Adrenergic, beta-1 * Receptors, Adrenergic, beta-2 * Surveys and Questionnaires * Transfection |full-text-url=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3633790 }} {{medline-entry |title=Polymorphism of beta-adrenergic receptors and susceptibility to open-angle glaucoma. |pubmed-url=https://pubmed.ncbi.nlm.nih.gov/16785856 |abstract=The human trabecular meshwork and ciliary body, which express beta-adrenergic receptors ([[ADRB1]] and [[ADRB2]]), control aqueous humor dynamics. We investigated associations of ADRB polymorphisms with open-angle glaucoma (OAG), because ADRB gene polymorphisms alter receptor function. We studied 240 Japanese controls and 505 Japanese OAG patients including 211 with primary open-angle glaucoma (POAG), and 294 with normal-tension glaucoma (NTG). Associations of four polymorphisms (Ser49Gly and Arg389Gly in the [[ADRB1]] gene; Arg16Gly and Gln27Glu in the [[ADRB2]] gene) were compared between patients and controls. Age, intraocular pressure (IOP), and visual field defects at diagnosis were examined for associations with polymorphisms. The Arg389Gly polymorphism in the [[ADRB1]] gene showed significantly different allele and genotype frequencies in patients with NTG than in controls (p = 0.004 and 0.006, respectively). Other polymorphisms did not show a significant frequency difference. In POAG patients, carriers of Gly16 in the [[ADRB2]] gene were significantly younger at diagnosis than noncarriers (p<0.001). The IOP at diagnosis was significantly higher in OAG patients carrying 27Glu in the [[ADRB2]] gene than in patients without this allele (p<0.001). Clinical characteristics of OAG patients did not differ significantly in relation to other polymorphisms. Certain polymorphisms of the [[ADRB1]] and [[ADRB2]] genes influence the pathophysiology of OAG in Japanese patients. |mesh-terms=* Aged * Aging * Asian Continental Ancestry Group * Case-Control Studies * Female * Gene Frequency * Genes, Dominant * Genes, Recessive * Genetic Predisposition to Disease * Genotype * Glaucoma, Open-Angle * Heterozygote * Humans * Intraocular Pressure * Male * Middle Aged * Polymorphism, Genetic * Polymorphism, Single Nucleotide * Receptors, Adrenergic, beta-1 * Receptors, Adrenergic, beta-2 }}
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