Gene: Sec23 homolog B; SEC23B


Gene Symbol: SEC23B
OMIM: 610512
Chromosome location: 20p11.23

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Dyserythropoietic anemia, congenital, type II || c.325G>A

Phenotype:    Dyserythropoietic anemia, congenital, type II
Dna Change:    c.325G>A
Protein Change:    p.Glu109Lys
Mutation Type:    Substitution
Mutation Effect:    Missense
Location:    exon 4
Transcript:    NM_006363.4

PopulationEthnic GroupRegionMutation FrquencyCoalescence TimeReference
ItalyNANA28.0%2200 years agoRusso R et al., 2011Russo R, Gambale A, Esposito MR, Serra ML, Troiano A, De Maggio I, Capasso M, Luzzatto L, Delaunay J, Tamary H, Iolascon A, . Two founder mutations in the SEC23B gene account for the relatively high frequency of CDA II in the Italian population.. Am. J. Hematol.. 2011; 86(9):727-32
MoroccoJewsNA11 patients/8 families2400 years agoAmir A et al., 2011Amir A, Dgany O, Krasnov T, Resnitzky P, Mor-Cohen R, Bennett M, Berrebi A, Tamary H, . E109K is a SEC23B founder mutation among Israeli Moroccan Jewish patients with congenital dyserythropoietic anemia type II.. Acta Haematol.. 2011; 125(4):202-7

Dyserythropoietic anemia, congenital, type II || c.40C>T

Phenotype:    Dyserythropoietic anemia, congenital, type II
Dna Change:    c.40C>T
Protein Change:    p.Arg14Trp
Mutation Type:    Substitution
Mutation Effect:    Missense
Location:    exon 2
Transcript:    NM_032985.4

PopulationEthnic GroupRegionMutation FrquencyCoalescence TimeReference
ItalyNANA26.3%3000 years agoRusso R et al., 2011Russo R, Gambale A, Esposito MR, Serra ML, Troiano A, De Maggio I, Capasso M, Luzzatto L, Delaunay J, Tamary H, Iolascon A, . Two founder mutations in the SEC23B gene account for the relatively high frequency of CDA II in the Italian population.. Am. J. Hematol.. 2011; 86(9):727-32

References

Amir A, Dgany O, Krasnov T, Resnitzky P, Mor-Cohen R, Bennett M, Berrebi A, Tamary H, E109K is a SEC23B founder mutation among Israeli Moroccan Jewish patients with congenital dyserythropoietic anemia type II.Acta Haematol.. 2011; 125(4):202-7

Russo R, Gambale A, Esposito MR, Serra ML, Troiano A, De Maggio I, Capasso M, Luzzatto L, Delaunay J, Tamary H, Iolascon A, Two founder mutations in the SEC23B gene account for the relatively high frequency of CDA II in the Italian population.Am. J. Hematol.. 2011; 86(9):727-32