Abstract:
:Granulocyte colony-stimulating factor (G-CSF)-induced alteration of phosphoprotein during differentiation of HL-60 cells was studied. From the two-dimensional gel electrophoresis analysis of phosphoproteins, a 45 kD phosphoprotein in the cytosolic fraction of DMSO-pretreated HL-60 cells was rapidly dephosphorylated by the addition of G-CSF. This 45 kD phosphoprotein migrated into four or five spots between 4.5 and 5.5 pI. The dephosphorylation of 45 kD protein was observed within at least 10 min and reached a maximum at 60 min. Phosphoamino acid analysis showed that only serine residue of 45 kD phosphoprotein was phosphorylated, suggesting that G-CSF induced an activation of serine phosphatase. Furthermore, Staurosporine and calphostin C inhibited the phosphorylation of 45 kD protein, suggesting that protein kinase C or its downstream kinase(s) is involved in the phosphorylation of 45 kD protein. These results indicate that G-CSF causes dephosphorylation of a 45 kD cytosolic phosphoprotein which may play a role in signal transduction of G-CSF.
journal_name
Br J Haematoljournal_title
British journal of haematologyauthors
Yamaguchi T,Oshizawa T,Yamaguchi T,Suzuki K,Yamamoto Y,Hayakawa Tdoi
10.1046/j.1365-2141.1998.00829.xsubject
Has Abstractpub_date
1998-08-01 00:00:00pages
798-803issue
3eissn
0007-1048issn
1365-2141journal_volume
102pub_type
杂志文章abstract::Cytokines and chemokines determine mobilisation of Langerhans cells and their dysregulation is implicated in the pathogenesis of Langerhans cell histiocytosis (LCH). Twenty point mutations of 12 different cytokine genes were studied in 41 Italian children, 15 with single-system (SS) and 26 with multi-system disease. T...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.2005.05922.x
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journal_title:British journal of haematology
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abstract::Four children with acute lymphoblastic leukaemia (ALL) who relapsed after allogeneic bone marrow transplantation (BMT) were treated with donor lymphocyte infusion (DLI) without prior conditioning. Three patients had previously received a non-T-cell-depleted matched sibling BMT and the fourth had a T-cell-depleted matc...
journal_title:British journal of haematology
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journal_title:British journal of haematology
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journal_title:British journal of haematology
pub_type: 杂志文章
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更新日期:1982-10-01 00:00:00
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journal_title:British journal of haematology
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journal_title:British journal of haematology
pub_type: 杂志文章
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abstract::High-dose cytosine arabinoside (AraC)-containing regimens have shown the highest antileukaemic efficacy of all currently used regimens in the treatment of acute myeloid leukaemia (AML). This study aimed at increasing the antileukaemic potential of high-dose AraC by raising intracellular levels of AraC triphosphate (Ar...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.2000.02056.x
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abstract::T-cell large granular lymphocytic leukaemia (T-LGLL) is a chronic clonal lymphoproliferative disorder of cytotoxic T lymphocytes which commonly occurs in older patients and is often associated with autoimmune diseases. Among 246 patients with T-LGLL seen at our institution over the last 10 years, we encountered 15 cas...
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.2002.03790.x
更新日期:2002-10-01 00:00:00
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1995.tb08369.x
更新日期:1995-03-01 00:00:00
abstract::Adult T cell leukaemia/lymphoma (ATL) is a human T cell leukaemia virus type-I (HTLV-I)-infected T cell malignancy with poor prognosis. We herein developed a novel therapeutic vaccine designed to augment an HTLV-I Tax-specific cytotoxic T lymphocyte (CTL) response that has been implicated in anti-ATL effects, and cond...
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:
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journal_title:British journal of haematology
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journal_title:British journal of haematology
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1988.tb02406.x
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journal_title:British journal of haematology
pub_type: 杂志文章,评审
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journal_title:British journal of haematology
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journal_title:British journal of haematology
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更新日期:2013-10-01 00:00:00