BMC pediatrics · 2024
A novel mutation in the SLCO2A1 gene presenting as persistent hypoproteinaemia and refractory iron deficiency anaemia due to chronic enteropathy: a case report.
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Mettananda Sachith, Bandara Pkbuc, Rajeindran Manissha, Padeniya Padmapani
Аннотация
BACKGROUND: The SLCO2A1 gene encodes a prostaglandin transporter and we report a novel mutation causing hypoproteinaemia and refractory anaemia due to chronic enteropathy.
CASE PRESENTATION: An 18-year-old boy of consanguineous parents was investigated for hypoproteinaemia and anaemia. He was short, pale and had generalised oedema. Investigations revealed haemoglobin 5.8 g/dL; hypochromic microcytic anaemia; low serum protein, albumin, globulin, ferritin and iron. Bone marrow aspiration revealed low iron stores. Upper and lower gastrointestinal endoscopies showed moderate gastritis, duodenitis, and non-specific patchy inflammation in the rectum. The whole exome sequencing revealed a homozygous missense mutation in SCLO2A1 gene (NP_005621.2:p.Arg97Cys; rs761212094). Sanger sequencing of the sibling with milder phenotype revealed same homozygous mutation, and carrier father was heterozygous.
CONCLUSION: We report a novel mutation of SLCO2A1 gene causing severe persistent hypoproteinaemia and refractory iron deficiency anaemia due to chronic enteropathy helping to delineate genotype-phenotype correlation of SLCO2A1 variants.
CASE PRESENTATION: An 18-year-old boy of consanguineous parents was investigated for hypoproteinaemia and anaemia. He was short, pale and had generalised oedema. Investigations revealed haemoglobin 5.8 g/dL; hypochromic microcytic anaemia; low serum protein, albumin, globulin, ferritin and iron. Bone marrow aspiration revealed low iron stores. Upper and lower gastrointestinal endoscopies showed moderate gastritis, duodenitis, and non-specific patchy inflammation in the rectum. The whole exome sequencing revealed a homozygous missense mutation in SCLO2A1 gene (NP_005621.2:p.Arg97Cys; rs761212094). Sanger sequencing of the sibling with milder phenotype revealed same homozygous mutation, and carrier father was heterozygous.
CONCLUSION: We report a novel mutation of SLCO2A1 gene causing severe persistent hypoproteinaemia and refractory iron deficiency anaemia due to chronic enteropathy helping to delineate genotype-phenotype correlation of SLCO2A1 variants.