Haematopoietic stem cells depend on Galpha(s)-mediated signalling to engraft bone marrow.
Haematopoietic stem cells depend on Galpha(s)-mediated signalling to engraft bone marrow.
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DOI:
10.1038/nature07859
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发表时间:
2009-05-07
期刊:
影响因子:
64.8
通讯作者:
Scadden, David T.
中科院分区:
文献类型:
--
作者:
Adams, Gregor B.;Alley, Ian R.;Chung, Ung-il;Chabner, Karissa T.;Jeanson, Nathaniel T.;Lo Celso, Cristina;Marsters, Emily S.;Chen, Min;Weinstein, Lee S.;Lin, Charles P.;Kronenberg, Henry M.;Scadden, David T.
Hematopoietic stem/progenitor cells (HSPC) transition in location during development and circulate in mammals throughout life, moving into and out of the bloodstream to engage bone marrow (BM) niches in sequential steps of homing, engraftment and retention. We show here that HSPC engraftment of BM in fetal development is dependent upon the guanine nucleotide binding protein stimulatory alpha subunit (Gsα). Adult Gsα−/− HSPCs differentiate and undergo chemotaxis, but also do not home to or engraft in the BM in adult mice and demonstrate marked inability to engage the marrow microvasculature. If deleted after engraftment, Gsα did not lead to lack of retention in the marrow, rather cytokine-induced mobilization into the blood was impaired. Testing whether activation of Gsα affects HSPC, pharmacologic activators enhanced homing and engraftment in vivo. Gsα governs specific aspects of HSPC localization under physiologic conditions in vivo and may be pharmacologically targeted to improve transplantation efficiency.
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DOI:
10.1073/pnas.95.16.9448
发表时间:
1998-08-04
影响因子:
11.1
作者:
Ma, Q;Jones, D;Springer, TA
通讯作者:
Springer, TA
影响因子:
56.9
作者:
Cheng, T;Rodrigues, N;Scadden, DT
通讯作者:
Scadden, DT
DOI:
10.1084/jem.188.3.465
发表时间:
1998-08-03
期刊:
The Journal of experimental medicine
影响因子:
--
作者:
Mazo IB;Gutierrez-Ramos JC;Frenette PS;Hynes RO;Wagner DD;von Andrian UH
通讯作者:
von Andrian UH
影响因子:
20.3
作者:
Foudi, A;Jarrier, P;Louache, F
通讯作者:
Louache, F
影响因子:
20.3
作者:
Papayannopoulou, T;Priestley, GV;Scott, LM
通讯作者:
Scott, LM