Nature, Volume 429Sir Norman Lockyer Macmillan Journals Limited, 2004 |
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Página 41
... cells is a fundamental problem in biology . In principle , tissue turnover can occur by the differentiation of stem cells , as is well documented for blood , skin and intestine , or by the duplication of existing differentiated cells ...
... cells is a fundamental problem in biology . In principle , tissue turnover can occur by the differentiation of stem cells , as is well documented for blood , skin and intestine , or by the duplication of existing differentiated cells ...
Página 43
... cells 100- 75 50 Islets Small clusters 100 80 60 Percentage of B - cells - 6 5 88 expressing HPAP 40 0 4 6 9 12 ( n = 7 ) ( n = 2 ) ( n = 3 ) ( n = 3 ) ( n = 3 ) Months after tamoxifen injection Figure 3 Analysis of islets and B - cells ...
... cells 100- 75 50 Islets Small clusters 100 80 60 Percentage of B - cells - 6 5 88 expressing HPAP 40 0 4 6 9 12 ( n = 7 ) ( n = 2 ) ( n = 3 ) ( n = 3 ) ( n = 3 ) Months after tamoxifen injection Figure 3 Analysis of islets and B - cells ...
Página 44
... cells are generated in the adult mouse primarily by the replication of pre - existing B - cells . B - cell regeneration Although the above experiments do not provide any evidence for the existence of stem or progenitor cells in the ...
... cells are generated in the adult mouse primarily by the replication of pre - existing B - cells . B - cell regeneration Although the above experiments do not provide any evidence for the existence of stem or progenitor cells in the ...
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