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Methods Mol Med. 2002;63:123-41. doi: 10.1385/1-59259-140-X:123.

Long-term culture-initiating cell assays for human and murine cells.

Author information

1
StemCell Technologies Inc., Vancouver, British Columbia, Canada.

Abstract

In normal adults, the majority of primitive hematopoietic cells are concentrated in the bone marrow, where they are in contact with a variety of molecules that influence their cell-cycle status, viability, motility, and differentiation. These include components of the extracellular matrix, soluble and bound growth-promoting factors and inhibitors, and adhesion molecules that mediate direct interactions between cells. The long-term culture (LTC) system initially developed to support the continued production of myeloid cells, (1-3) and subsequently for the production of lymphoid cells (4-7) has provided a unique approach for the investigation of the regulation and maintenance of early hematopoietic progenitors under conditions that reproduce many aspects of the marrow microenvironment. The LTC system has also provided a basis for the development of powerful assay procedures for quantitating and distinguishing cells at discrete stages of early hematopoietic cell differentiation.

PMID:
21437804
DOI:
10.1385/1-59259-140-X:123

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