Abstract:
:Akt (protein kinase B) is a serine/threonine kinase involved in the regulation of cell survival signals. Akt is expressed in T- and B-lymphocytes and is activated in response to cytokine and antigen-receptor stimulation. Three isoforms of Akt have been identified, Akt-1, -2 and -3, but the expression pattern and specific functions of each have not yet been determined for many cell types. To determine whether Akt signaling is enhanced in human malignant lymphomas and to analyse the expression pattern of Akt isoforms in these neoplasms, Akt-1, -2 and -3 expression was studied in 38 cell lines derived from hematopoietic neoplasms, by RT-PCR and western blot analysis. The level of phosphorylated (active) Akt was also analysed in cell lines as well as in 72 human malignant non-Hodgkin's lymphoma tissues. The results suggest that there is constitutive activation of Akt in the majority of primary human lymphomas and hematopoietic cell lines and support its proposed key role in lymphoma cell survival.
journal_name
Leuk Lymphomajournal_title
Leukemia & lymphomaauthors
Fillmore GC,Wang Q,Carey MJ,Kim CH,Elenitoba-Johnson KS,Lim MSdoi
10.1080/10428190500159944keywords:
subject
Has Abstractpub_date
2005-12-01 00:00:00pages
1765-73issue
12eissn
1042-8194issn
1029-2403pii
L22837N0X5551QN5journal_volume
46pub_type
杂志文章abstract::We evaluated the recovery of human hematopoietic progenitors in long-term bone marrow culture (LTBMC) initiated in tissue culture (TC) flasks to that in "Lifecell" bags, which are gas-permeable plastic bags in which feeder-layer cells cannot adhere. Cells were incubated in presence of IL-1 and IL-3. Our experiments re...
journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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abstract::In chronic lymphocytic leukemia (CLL), strategies to overcome drug resistance due to p53 dysfunction are highly needed. Platinum-based compounds such as cisplatinum (CDDP) are active in fludarabine-refractory CLL through a largely unknown mechanism. We analyzed the mechanism of action of CDDP in the context of p53 dys...
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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pub_type: 杂志文章,随机对照试验
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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