Diamond-Blackfan Anemia 16

A number sign (#) is used with this entry because of evidence that Diamond-Blackfan anemia-16 (DBA16) is caused by heterozygous mutation in the RPL27 gene (607526) on chromosome 17q21. One such patient has been reported.

For a general phenotypic description and discussion of genetic heterogeneity of Diamond-Blackfan anemia, see DBA1 (105650).

Clinical Features

Wang et al. (2015) studied a 2-year-old Japanese girl (patient 95) who was diagnosed with Diamond-Blackfan anemia at birth. She also had an atrial septal defect and pulmonary stenosis. She responded to corticosteroid treatment, and she had been in remission for 2 years. There was no family history of anemia.

Molecular Genetics

In 48 Japanese patients with DBA in whom screening for mutations or large deletions in 8 of the known DBA-associated genes was negative, Wang et al. (2015) performed whole-exome sequencing and identified heterozygosity for a de novo splice site mutation in the RPL27 gene (607526.0001) in an affected 2-year-old girl (patient 95).