Abstract:
:In this study we compared rates of apoptosis, survival and metabolic activity from CML peripheral blood neutrophils with peripheral blood and bone marrow neutrophils from healthy volunteer donors and studied the influence of the disease stage and of cytokines including G-CSF, GM-CSF and IL-1beta on these parameters. Quantification of apoptosis by morphology, diphenylamine DNA fragmentation assay and by gel electrophoresis showed similar rates of apoptosis in chronic phase CML and normal peripheral blood neutrophils when the cells were incubated in RPMI + FCS or in serum-free medium. However, there were lower rates of apoptosis in accelerated and blast phase CML neutrophils (p < .001) and in normal bone marrow neutrophils (p < .001) compared to normal peripheral blood neutrophils (incubated in RPMI + FCS). Survival among neutrophils from chronic phase or accelerated/blast phase CML patients was significantly longer (p < 0.002 and p < 0.001, respectively) than among normal peripheral blood neutrophils but neutrophils purified from normal bone marrow had a survival rate which fell between that of normal peripheral blood and chronic phase CML patients. When the cells were incubated in RPMI + autologous sera, neutrophils from chronic phase CML patients showed markedly lower rates of apoptosis (p < 0.001) and maintained higher metabolic activities (p < 0.002) compared to normal neutrophils. G-CSF and GM-CSF were found to considerably decrease the rate of apoptosis in chronic phase CML neutrophils (p < 0.001 and p = 0.008 respectively) while IL-1beta did not show any antiapoptotic effect. It is suggested that the endogenous production of growth factors may therefore participate in delaying apoptotic cell death, during the progression of CML.
journal_name
Leuk Lymphomajournal_title
Leukemia & lymphomaauthors
Gisslinger H,Kurzrock R,Wetzler M,Tucker S,Kantarjian H,Robertson B,Talpaz Mdoi
10.3109/10428199709042502subject
Has Abstractpub_date
1997-03-01 00:00:00pages
121-33issue
1-2eissn
1042-8194issn
1029-2403journal_volume
25pub_type
杂志文章abstract::We prospectively investigated the use of [18F]fluorodeoxyglucose (FDG)-positron emission tomography (PET) to kinetically monitor cell activation in six follicular lymphoma patients vaccinated with tumor lysate-pulsed autologous dendritic cells. PET revealed additional initial nodes suggestive of lymphoma, that were of...
journal_title:Leukemia & lymphoma
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abstract::This case is of an unusual florid reactive CD4+ T Cell lymphocytosis involving lymph node (LN) and overshadowing residual B chronic lymphocytic leukemia (CLL). A 65 year old female with a 9 year history of untreated B-CLL presented with weight loss, splenomegaly and lymphadenopathy. B-CLL was confirmed on the basis of...
journal_title:Leukemia & lymphoma
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abstract::Denaturing high-performance liquid chromatography (dHPLC) was developed to screen DNA variations by separating heteroduplex and homoduplex DNA fragments by ion-pair reverse-phase liquid chromatography. In this study, we have evaluated the dHPLC screening method and direct sequencing for the detection of GATA1 mutation...
journal_title:Leukemia & lymphoma
pub_type: 信件
doi:10.1080/10428190902829433
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abstract::Apoptosis, the caspase-mediated cell death, plays an important role in the etiology, pathogenesis and therapy of a variety of diseases. Abnormalities of apoptosis regulation, resulting in either its inhibition or enhancement, play a key role in the development of various malignant hematological disorders. Several rout...
journal_title:Leukemia & lymphoma
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abstract::Pixantrone is a potentially more effective, less cardiotoxic alternative to doxorubicin for patients with aggressive non-Hodgkin lymphoma (aNHL). This phase I/II non-comparative study evaluated pixantrone in place of doxorubicin in the standard CHOP regimen (cyclophosphamide, doxorubicin, vincristine, and prednisone),...
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
pub_type: 临床试验,杂志文章,多中心研究
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abstract::Diffuse large B-cell lymphoma (DLBCL) is a heterogeneous disease with an association with inflammation and viral infections. We hypothesize that environmental factors may be involved in the pathogenesis of DLBCL. In this study, we compared gene expression profiles of lymph node tissues from patients with DLBCL from tw...
journal_title:Leukemia & lymphoma
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abstract::Immunotherapy in the form of allogeneic stem cell transplantation (SCT) plays an instrumental role in the treatment of acute myeloid leukemia (AML), with non-transplant modalities of immunotherapy including checkpoint blockade now being actively explored. Here, we provide an overview of the graft versus leukemia (GVL)...
journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
pub_type: 杂志文章
doi:10.3109/10428194.2011.580475
更新日期:2011-09-01 00:00:00
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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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doi:10.3109/10428199709039037
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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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abstract::Conditions associated with abnormal B-cell proliferation have an increased incidence in the HIV-infected population. A longitudinal study conducted at the Tulane Regional Primate Research Center has followed more than 1,000 rhesus macaques infected with simian-immunodeficiency virus (SIV) since 1984. While spontaneous...
journal_title:Leukemia & lymphoma
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