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2013 ; 3
(4
): a011601
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Erythropoiesis: development and differentiation
#MMPMID23545573
Dzierzak E
; Philipsen S
Cold Spring Harb Perspect Med
2013[Apr]; 3
(4
): a011601
PMID23545573
show ga
Through their oxygen delivery function, red blood cells are pivotal to the
healthy existence of all vertebrate organisms. These cells are required during
all stages of life--embryonic, fetal, neonatal, adolescent, and adult. In the
adult, red blood cells are the terminally differentiated end-product cells of a
complex hierarchy of hematopoietic progenitors that become progressively
restricted to the erythroid lineage. During this stepwise differentiation
process, erythroid progenitors undergo enormous expansion, so as to fulfill the
daily requirement of ~2 × 10(11) new erythrocytes. How the erythroid lineage is
made has been a topic of intense research over the last decades. Developmental
studies show that there are two types of red blood cells--embryonic and adult.
They develop from distinct hemogenic/hematopoietic progenitors in different
anatomical sites and show distinct genetic programs. This article highlights the
developmental and differentiation events necessary in the production of
hemoglobin-producing red blood cells.