Hematopoiesis leading to a diversity of dendritic antigen-presenting cell types

Sawang Petvises, Helen C O'Neill

Research output: Contribution to journalArticleResearchpeer-review

5 Citations (Scopus)

Abstract

Hematopoietic stem cells (HSCs) undergo expansion and differentiation, giving rise to all terminally differentiated blood cells throughout life. HSCs are found in distinct anatomical sites during development, and in adults, hematopoiesis occurs predominantly on the luminal side of the bone cavity in bone marrow. Millions of newly formed blood cells are generated per second to accommodate the short half-life of hematopoietic cells. For this to happen, HSCs must sustain their self-renewal capacity as well as their capability to commit and differentiate toward multiple cell lineages. Development of the hematopoietic system is finely regulated as the animal ages, so that it does not become exhausted or misdirected. This review covers aspects of hematopoietic development from the embryonic period through adult life in relation to development of dendritic cells. It also considers a role for HSCs in extramedullary sites and their possible role in myelopoiesis, with formation of tissue-specific antigen-presenting cells.

Original languageEnglish
Pages (from-to)372-8
Number of pages7
JournalImmunology and Cell Biology
Volume90
Issue number4
DOIs
Publication statusPublished - Apr 2012
Externally publishedYes

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Hematopoiesis
Antigen-Presenting Cells
Hematopoietic Stem Cells
Dendritic Cells
Blood Cells
Myelopoiesis
Hematopoietic System
Cell Lineage
Embryonic Development
Half-Life
Bone Marrow
Bone and Bones

Cite this

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abstract = "Hematopoietic stem cells (HSCs) undergo expansion and differentiation, giving rise to all terminally differentiated blood cells throughout life. HSCs are found in distinct anatomical sites during development, and in adults, hematopoiesis occurs predominantly on the luminal side of the bone cavity in bone marrow. Millions of newly formed blood cells are generated per second to accommodate the short half-life of hematopoietic cells. For this to happen, HSCs must sustain their self-renewal capacity as well as their capability to commit and differentiate toward multiple cell lineages. Development of the hematopoietic system is finely regulated as the animal ages, so that it does not become exhausted or misdirected. This review covers aspects of hematopoietic development from the embryonic period through adult life in relation to development of dendritic cells. It also considers a role for HSCs in extramedullary sites and their possible role in myelopoiesis, with formation of tissue-specific antigen-presenting cells.",
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Hematopoiesis leading to a diversity of dendritic antigen-presenting cell types. / Petvises, Sawang; O'Neill, Helen C.

In: Immunology and Cell Biology, Vol. 90, No. 4, 04.2012, p. 372-8.

Research output: Contribution to journalArticleResearchpeer-review

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