Abstract:
:Sphingosine-1-phosphate (S1P) is a potent lipid mediator that is produced during the metabolism of sphingolipid by sphingosine kinase. S1P has been implicated in the migration and trafficking of lymphocytes and several lymphoid malignancies through S1P receptors. Moreover, the overexpression of sphingosine-1-phosphate receptor 1 (S1PR1) has been correlated with the constitutive activation of signal transducer and activator of transcription (STAT)3 and poor prognosis of diffuse large B-cell lymphoma (DLBCL). Thus, in this study, we examined the expression of S1PR1 in 198 DLBCL samples collected from nodal and various extranodal sites and sub-classified formalin-fixed paraffin-embedded tissue samples into germinal centre B-cell-like (GCB) and non-GCB subgroups using immunohistochemistry. These analyses showed S1PR1 overexpression in 15·7% of all cases with DLBCL and in 54·2% of 24 cases with primary testicular (PT)-DLBCL; S1PR1 expression correlated with S1PR1mRNA expression and STAT3 phosphorylation in fresh samples. Analyses of data from a single institution suggested that S1PR1 overexpression was an independent negative prognostic marker in 68 patients with DLBCL of clinical stages I and II. The present high prevalence of S1PR1 overexpression warrants the consideration of PT-DLBCL as a distinct disease subtype and suggests the potential of the S1P/S1PR1 axis as a therapeutic target.
journal_name
Br J Haematoljournal_title
British journal of haematologyauthors
Koresawa R,Yamazaki K,Oka D,Fujiwara H,Nishimura H,Akiyama T,Hamasaki S,Wada H,Sugihara T,Sadahira Ydoi
10.1111/bjh.14054subject
Has Abstractpub_date
2016-07-01 00:00:00pages
264-74issue
2eissn
0007-1048issn
1365-2141journal_volume
174pub_type
杂志文章abstract::Heterozygous factor XI (FXI) deficiency is sometimes associated with a significant bleeding tendency. Fresh frozen plasma of FXI concentrates are the mainstay of treatment in patients with a clear bleeding history, especially prior to surgery. However, these treatments are not completely free of risk. Furthermore, thr...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.1996.d01-1758.x
更新日期:1996-07-01 00:00:00
abstract::The incidence, characteristics and risk factors for the development of osteonecrosis of the jaw (ONJ) were evaluated among 303 myeloma patients. Only patients who received bisphosphonates developed ONJ (28/254; 11%). Zoledronic acid produced 9.5-fold greater risk for developing ONJ than pamidronate alone (P = 0.042) a...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.2006.06230.x
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abstract::Human megakaryocytes have been isolated from marrow obtained from ribs removed at thoracotomy. All but one of the patients had normal pre-operative platelet and leucocyte counts. Megakaryocytes averaged 0.37% of all cells in marrow cell suspensions from nine consecutive subjects. A 283-fold purification (to 10.3%) was...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1980.tb07168.x
更新日期:1980-07-01 00:00:00
abstract::Minor histocompatibility antigens (mHAs) are major histocompatibility complex (MHC)-associated peptides, which trigger T-cell responses that mediate graft versus host disease (GVHD) and graft versus leukaemia effects. We recently identified a new mHA epitope, termed ACC-1, which is presented by HLA-A*2402 and encoded ...
journal_title:British journal of haematology
pub_type: 杂志文章
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journal_title:British journal of haematology
pub_type: 杂志文章,多中心研究,随机对照试验
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journal_title:British journal of haematology
pub_type: 杂志文章
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journal_title:British journal of haematology
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pub_type: 杂志文章
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pub_type: 杂志文章,多中心研究
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journal_title:British journal of haematology
pub_type: 杂志文章
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journal_title:British journal of haematology
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更新日期:2010-11-01 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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