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CNGB3 encodes the beta subunit of a cyclic nucleotide-gated ion channel. Additionally we are shipping CNGB3 Proteins (7) and many more products for this protein.
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The degree of residual foveal cone structure varies greatly among subjects with CNGB3-associated ACHM.
Eight different mutations were detected in the CNGB3 gene in achromatopsia, including five novel mutations: two splice site mutations, one nonsense substitution, and two frame-shift mutations.
Genetic testing revealed a common homozygous mutation in CNGB3 in 5 patients with complete achromatopsia and heterozygous mutations in CNGA3 (show CNGA3 Antibodies) in 2 patients with incomplete achromatopsia.
Genetic testing performed at Carver lab at the University of Iowa confirmed a diagnosis of achromatopsia with identical mutations in the CNGB3 gene.
The majority (n = 12) of patients were either homozygotes or compound heterozygotes for known achromatopsia alleles, two in CNGB3 (p.T383fsX and p.T296YfsX9) and three in CNGA3 (show CNGA3 Antibodies) (p.R283Q, p.R427C and p.L527R).
Data found pathogenic DNA variants in the genes RP1 (show STK19 Antibodies), USH2A (show USH2A Antibodies), CNGB3, NMNAT1 (show NMNAT1 Antibodies), CHM (show CHM Antibodies), and ABCA4 (show ABCA4 Antibodies), responsible for retinitis pigmentosa, Usher syndrome, achromatopsia, Leber congenital amaurosis, choroideremia (show CHM Antibodies), or recessive Stargardt/cone-rod dystrophy cases.
Achromatopsia associated F525N and T383fsX mutations in the CNGB3 subunit of cone photoreceptor cyclic nucleotide-gated (CNG (show CNGA1 Antibodies)) channels increases susceptibility to cell death in photoreceptor-derived cells.
Subretinal administration of rAAV5-hCNGB3 with a long version of the red cone opsin (show RHO Antibodies) promoter in younger animals led to a stable therapeutic effect for at least 33 months.
Genetic analysis of two Pakistani families with retinal disease enabled the establishment of the correct diagnosis of achromatopsia. Two novel mutations were identified in CNGA3 (show CNGA3 Antibodies) and CNGB3 that are both specifically expressed in cone photoreceptors.
down-regulation of CNGA3 (show CNGA3 Antibodies) contributes to the pathogenic mechanism by which CNGB3 mutations lead to human cone disease.
CNGB3 regulates cone light response kinetics and the channel structural flexibility.
This work investigated the functional modulation of cone CNG (show CNGA1 Antibodies) channel by exploring the channel-interacting proteins.
Cone CNG (show CNGA1 Antibodies) channel is a heterotetrameric complex likely at a stoichiometry of three CNGA3 (show CNGA3 Antibodies) and one CNGB3.
RDS (show PRPH2 Antibodies) does not interact with the cone CNG (show CNGA1 Antibodies).
The heteromeric cyclic nucleotide-gated channel adopts a 3A:1B stoichiometry
This gene encodes the beta subunit of a cyclic nucleotide-gated ion channel. The encoded beta subunit appears to play a role in modulation of channel function in cone photoreceptors. This heterotetrameric channel is necessary for sensory transduction, and mutations in this gene have been associated with achromatopsia 3, progressive cone dystrophy, and juvenile macular degeneration, also known as Stargardt Disease.
cyclic nucleotide gated channel beta 3
, cyclic nucleotide-gated cation channel beta-3
, CNG channel beta-3
, cone photoreceptor cGMP-gated cation channel beta-subunit
, cyclic nucleotide-gated cation channel modulatory subunit
, cone photoreceptor cGMP-gated channel subunit beta
, cyclic nucleotide gated channel beta 6
, cyclic nucleotide-gated channel beta-3
, cyclic nucleotide-gated channel subunit CNG6
, cyclic nucleotide gated channel beta subunit