Molecular analysis of adrenergic receptor genes and interleukin-4/interleukin-4 receptor genes in patients with interstitial cystitis. 2002

Kimio Sugaya, and Saori Nishijima, and Tetsuo Yamada, and Minoru Miyazato, and Tadashi Hatano, and Yoshihide Ogawa
Department of Urology, University of the Ryukyus, Nishihara, Okinawa, Japan.

OBJECTIVE Interstitial cystitis is a chronic and sterile inflammatory disease of the bladder. Clinically many patients with interstitial cystitis also have allergic or autoimmune diseases. Recent studies have suggested that allelic variations in the adrenergic receptor beta2 gene, the interleukin (IL)-4 gene and its receptor gene are closely associated with immune diseases. Therefore, we studied adrenergic receptor genes alpha1d (ADRA1d), beta2 (ADRB2) and beta3 (ADRB3), and IL-4/IL-4 receptor genes in patients with interstitial cystitis. METHODS We studied 55 patients with interstitial cystitis and 228 controls. Genomic DNA was extracted from a whole blood sample collected from each subject. We analyzed 5 gene polymorphisms (G404781T, Arg16Gly, Trp64Arg, C589T and Ile50Val) per gene (ADRA1d, ADRB2, ADRB3, IL-4 and IL-4 receptor, respectively) and their relationship to interstitial cystitis. RESULTS The frequency of the Arg/Arg genotype of the ADRB2 gene and the TT genotype of the IL-4 gene were significantly higher in patients with interstitial cystitis than in controls. A significant difference of ADRA1d genotype prevalence was also observed. However, there were no remarkable differences of IL-4 receptor or ADRB3 genotype prevalences. CONCLUSIONS Variants of the ADRB2, ADRA1d and IL-4 genes may be related to a predisposition to interstitial cystitis.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011110 Polymorphism, Genetic The regular and simultaneous occurrence in a single interbreeding population of two or more discontinuous genotypes. The concept includes differences in genotypes ranging in size from a single nucleotide site (POLYMORPHISM, SINGLE NUCLEOTIDE) to large nucleotide sequences visible at a chromosomal level. Gene Polymorphism,Genetic Polymorphism,Polymorphism (Genetics),Genetic Polymorphisms,Gene Polymorphisms,Polymorphism, Gene,Polymorphisms (Genetics),Polymorphisms, Gene,Polymorphisms, Genetic
D011941 Receptors, Adrenergic Cell-surface proteins that bind epinephrine and/or norepinephrine with high affinity and trigger intracellular changes. The two major classes of adrenergic receptors, alpha and beta, were originally discriminated based on their cellular actions but now are distinguished by their relative affinity for characteristic synthetic ligands. Adrenergic receptors may also be classified according to the subtypes of G-proteins with which they bind; this scheme does not respect the alpha-beta distinction. Adrenergic Receptors,Adrenoceptor,Adrenoceptors,Norepinephrine Receptor,Receptors, Epinephrine,Receptors, Norepinephrine,Adrenergic Receptor,Epinephrine Receptors,Norepinephrine Receptors,Receptor, Adrenergic,Receptor, Norepinephrine
D005260 Female Females
D005838 Genotype The genetic constitution of the individual, comprising the ALLELES present at each GENETIC LOCUS. Genogroup,Genogroups,Genotypes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D015810 Linkage Disequilibrium Nonrandom association of linked genes. This is the tendency of the alleles of two separate but already linked loci to be found together more frequently than would be expected by chance alone. Disequilibrium, Linkage,Disequilibriums, Linkage,Linkage Disequilibriums
D015847 Interleukin-4 A soluble factor produced by activated T-LYMPHOCYTES that induces the expression of MHC CLASS II GENES and FC RECEPTORS on B-LYMPHOCYTES and causes their proliferation and differentiation. It also acts on T-lymphocytes, MAST CELLS, and several other hematopoietic lineage cells. B-Cell Growth Factor-I,B-Cell Stimulatory Factor-1,Binetrakin,IL-4,Mast Cell Growth Factor-2,B Cell Stimulatory Factor-1,B-Cell Growth Factor-1,B-Cell Proliferating Factor,B-Cell Stimulating Factor-1,B-Cell Stimulatory Factor 1,BCGF-1,BSF-1,IL4,MCGF-2,B Cell Growth Factor 1,B Cell Growth Factor I,B Cell Proliferating Factor,B Cell Stimulating Factor 1,B Cell Stimulatory Factor 1,Interleukin 4,Mast Cell Growth Factor 2
D018340 Receptors, Adrenergic, alpha-1 A subclass of alpha-adrenergic receptors that mediate contraction of SMOOTH MUSCLE in a variety of tissues such as ARTERIOLES; VEINS; and the UTERUS. They are usually found on postsynaptic membranes and signal through GQ-G11 G-PROTEINS. Adrenergic alpha-1 Receptors,Receptors, alpha-1 Adrenergic,alpha-1 Adrenergic Receptors,Adrenergic Receptor, alpha-1,Adrenergic alpha-1A Receptors,Adrenergic alpha-1B Receptors,Adrenergic alpha-1D Receptors,Receptor, Adrenergic, alpha-1,Receptor, Adrenergic, alpha-1A,Receptor, Adrenergic, alpha-1B,Receptor, Adrenergic, alpha-1D,Receptors, Adrenergic, alpha-1A,Receptors, Adrenergic, alpha-1B,Receptors, Adrenergic, alpha-1D,alpha 1 Adrenergic Receptor,alpha-1A Adrenergic Receptor,alpha-1B Adrenergic Receptor,alpha-1C Adrenergic Receptor,alpha-1D Adrenergic Receptor,Adrenergic Receptor, alpha 1,Adrenergic Receptor, alpha-1A,Adrenergic Receptor, alpha-1B,Adrenergic Receptor, alpha-1C,Adrenergic Receptor, alpha-1D,Adrenergic Receptors, alpha-1,Adrenergic alpha 1 Receptors,Adrenergic alpha 1A Receptors,Adrenergic alpha 1B Receptors,Adrenergic alpha 1D Receptors,Receptor, alpha-1 Adrenergic,Receptor, alpha-1A Adrenergic,Receptor, alpha-1B Adrenergic,Receptor, alpha-1C Adrenergic,Receptor, alpha-1D Adrenergic,Receptors, Adrenergic alpha-1,Receptors, Adrenergic alpha-1A,Receptors, Adrenergic alpha-1B,Receptors, Adrenergic alpha-1D,Receptors, alpha 1 Adrenergic,alpha 1 Adrenergic Receptors,alpha 1A Adrenergic Receptor,alpha 1B Adrenergic Receptor,alpha 1C Adrenergic Receptor,alpha 1D Adrenergic Receptor,alpha-1 Adrenergic Receptor,alpha-1 Receptors, Adrenergic,alpha-1A Receptors, Adrenergic,alpha-1B Receptors, Adrenergic,alpha-1D Receptors, Adrenergic

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