Atlas One · Host Biology · Scale 07 — System

Sickle Cell Disease

Sickle cell disease (SCD; HbS β-globin E6V; chr11p15.4) is a haemoglobinopathy causing HbS polymerization → RBC sickling → haemolytic anaemia, vaso-occlusion, end-organ damage; hydroxyurea ↑ HbF and reduces crises; voxelotor and crizanlizumab are newer FDA-approved therapies.

Also known as: SCD, sickle cell disease, sickle cell anemia, sickle cell anaemia, HbSS, HbSC disease, haemoglobin S disease, sickle-cell anaemia, SCA

Scale 07 — SystemScale
draftStatus
2026-06-08Last Reviewed
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sickle-cell-disease

Sickle Cell Disease

Sickle cell disease (SCD; HbS β-globin E6V; chr11p15.4) is a haemoglobinopathy causing HbS polymerization → RBC sickling → haemolytic anaemia, vaso-occlusion, end-organ damage; hydroxyurea ↑ HbF and reduces crises; voxelotor and crizanlizumab are newer FDA-approved therapies.