The DOI matches its Crossref record; 70 of the 70 references it cites were found in a registry or an index.
Deletion of α4 Integrins from Adult Hematopoietic Cells Reveals Roles in Homeostasis, Regeneration, and Homing
Open accessAbstract
We have explored the functional implications of inducible alpha4 integrin deletion during adult hematopoiesis by generating a conditional-knockout mouse model, and we show that alpha4 integrin-deficient hematopoietic progenitor cells accumulate in the peripheral blood soon after interferon-induced gene deletion. Although their numbers gradually stabilize at a lower level, progenitor cell influx into the circulation continues at above-normal levels for more than 50 weeks. Concomitantly, a progressive accumulation of progenitors occurs within the spleen. In addition, the regeneration of erythroid and myeloid progenitor cells is delayed during stress hematopoiesis induced by phenylhydrazine or by 5-fluorouracil, suggesting impairment in early progenitor expansion in the absence of alpha4 integrin. Moreover, in transplantation studies, homing of alpha4(-/-) cells to the bone marrow, but not to the spleen, is selectively impaired, and short-term engraftment is critically delayed in the early weeks after transplantation. Thus, conditional deletion of alpha4 integrin in adult mice is accompanied by a novel hematopoietic phenotype during both homeostasis and recovery from stress, a phenotype that is distinct from the ones previously described in alpha4 integrin-null chimeras and beta1 integrin-conditional knockouts.
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Pietras, E. M., Warr, M. R., & Passegué, E. (2011) · Journal of Cell Biology · doi:10.1083/jcb.201102131 · Cited by 447
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Metadata
- Authors
- Scott, L. M., Priestley, G. V., & Papayannopoulou, T.
- Venue
- Molecular and Cellular Biology
- Publisher
- Informa UK Limited
- Published
- 2003-12-01
- Volume
- 23
- Issue
- 24
- Pages
- 9349-9360
- ISSN
- 0270-7306 (ISSN-L)
- 1098-5549
- OpenAlex
- W2099186644
- Cited by
- 301
- References
- 70
- FWCI
- 7.73
- Type
- journal article
- Language
- en
- Open access
- green
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- Scott, L. M., Priestley, G. V., & Papayannopoulou, T. (2003). Deletion of α4 Integrins from Adult Hematopoietic Cells Reveals Roles in Homeostasis, Regeneration, and Homing. Molecular and Cellular Biology. https://doi.org/10.1128/mcb.23.24.9349-9360.2003
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