Congenital dyserythropoietic anemia in China: a case report from two families and a review.
Ru, Y Liu, G Bai, J Dong, S Nie, N Zhang, H Zhao, S Zheng, Y Zhu, X Nie, G
Ru, Y
Liu, G
Bai, J
Dong, S
Nie, N
Zhang, H
Zhao, S
Zheng, Y
Zhu, X
Nie, G
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Abstract
Congenital dyserythropoietic anemias (CDAs) are a group of hereditary disorders characterized by ineffective erythropoiesis and distinct morphological abnormalities of erythroblasts in the bone marrow. Most cases of CDA, caused by a wide spectrum of mutations, have been reported from Europe and Mediterranean countries, while a few cases have been described in China. Here, we present three cases of CDA, one from one family and two from a second unrelated family, with typical morphologic features and clinical presentations. Sequence analysis of CDA-related genes revealed that the proband with CDA Ι in the first family was a compound heterozygote of CDAN1 with mutation IVS-12+2T>C and c. 3389C>T, while both probands with CDA ΙΙ in the second family were a homozygote of the SEC23B gene with mutation c.938G>A (R313H). This study suggests that more patients with CDA, sharing a phenotype and genetic background like those of European and Mediterranean origin, remain to be diagnosed and reported in China.
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Date
2014-05
Publisher
Collections
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Article
Citation
Congenital dyserythropoietic anemia in China: a case report from two families and a review. 2014, 93 (5):773-7 Ann Hematol