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Review
. 2013 Oct 1;3(10):a011783.
doi: 10.1101/cshperspect.a011783.

The natural history of sickle cell disease

Graham R Serjeant  1
Affiliations
Review

The natural history of sickle cell disease

Graham R Serjeant. Cold Spring Harb Perspect Med. .

Abstract

The term sickle cell disease embraces a group of genetic conditions in which pathology results from the inheritance of the sickle cell gene either homozygously or as a double heterozygote with another interacting gene. The spectrum of resulting conditions is therefore influenced by the geography of individual hemoglobin genes, but in most populations, the commonest genotype at birth is homozygous sickle cell (SS) disease. Because this genotype generally manifests a greater mortality, the relative proportion of sickle cell genotypes is influenced by age as well as the geographical distribution of individual genes.

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