Abstract：
:Thermal stress induces expression of a family of heat shock proteins which may regulate the synthesis of various cellular genes. We investigated the effect of heat shock on polyadenylation in Epstein-Barr Virus (EBV) negative and EBV transformed human Burkitt's lymphoma (BL) B-cell lines. Incubation of the BL B-cell line P3HR-1, carrying the defective EBV genome [EBV nuclear antigen-2 gene deletion] at 46 degrees C for 15 min increased nuclear poly(A) polymerase (PAP) activity. Thereafter, enzymatic activity declined and at 60 min it was reduced to about 50% of that observed in cells incubated at 37 degrees C. In contrast, no significant increase in PAP activity was observed at 15 min or thereafter in an EBV- BL cell line, ST-486, in response to elevated temperature. Furthermore, no heat shock mediated change in nuclear poly(A)-specific endonuclease activity was observed in either P3HR-1 or ST-486 cells suggesting a specific effect on PAP activity. However, thermal stress dependent increase in c-myc expression was detected only in P3HR-I cells. These results suggest an association between EBV transformation and enhanced expression of c-myc and PAP activity. To further determine the role of EBV, and EBV- BL cell line, BL-30, and BL-30 cells infected in vitro with a wild type strain of EBV, BL-30/B95-8, were investigated. BL-30/B-95-8, unlike the parental BL-30 cells, exhibited c-myc and PAP gene upregulation at 15 min but were downregulated at 60 min following exposure of cells to elevated temperatures. These results suggest that infection of human B-cells with EBV is associated with their ability to respond to thermal stress by increased PAP activity which may stabilize mRNA through enhanced polyadenylation.
journal_name
Leuk Resjournal_title
Leukemia researchauthors
Kumar A,Kurl RN,Kryworuchko M,Diaz-Mitoma F,Sharma Sdoi
10.1016/0145-2126(95)00063-1subject
Has Abstractpub_date
1995-11-01 00:00:00pages
831-40issue
11eissn
0145-2126issn
1873-5835pii
0145-2126(95)00063-1journal_volume
19pub_type
杂志文章abstract：:We compared 2-[fluorine-18] fluoro-2-deoxy-d-glucose PET-CT and contrast-enhanced computed tomography (CECT) in 62 consecutive patients with newly diagnosed Hodgkin Lymphoma (HL), aiming to provide evidences that may spare CECT from the staging procedures of HL patients. Among a total of 1448 nodal sites examined, dis...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2018.11.018
更新日期：2019-01-01 00:00:00
abstract：:Despite advances in understanding the complexities of acute myeloid leukaemia (AML), the treatment of refractory or relapsed AML (rrAML) remains a daunting clinical challenge. Numerous clinical trials have failed to identify new treatments or combinations of existing therapies that substantially improve outcomes and s...
journal_title：Leukemia research
pub_type： 杂志文章,评审
doi：10.1016/j.leukres.2016.05.025
更新日期：2016-08-01 00:00:00
abstract：:There is resurgent interest in glucocorticoids (GCs) in the treatment of poor prognosis chronic lymphocytic leukemia (CLL). Little is known however on how GCs induce apoptosis in CLL. Methylprednisolone (MP) induces apoptosis in ZAP-70 positive CLL more readily than in ZAP-70 negative CLL, which is in contrast to the ...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2009.02.022
更新日期：2009-10-01 00:00:00
abstract：:IL-3 stimulated the production of IL-6 from a bone marrow-adherent cell population, macrophages and from hemopoietic supportive stromal cell lines. It also induced IL-6 production from a stem cell-enriched population of bone marrow cells which did not produce IL-6 without stimulation. In contrast, stimulation with IL-...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/0145-2126(91)90180-2
更新日期：1991-01-01 00:00:00
abstract：:The efficiency of gene transfer into human leukemia cell lines by electroporation was investigated. For both transient expression (beta-galactosidase gene) and stable transformation (neomycin resistance gene), the transfer efficiency into leukemia cell lines using a square wave pulse was superior to that using an expo...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/0145-2126(91)90062-x
更新日期：1991-01-01 00:00:00
abstract：:In adult T-cell leukemia/lymphoma (ATL), it is difficult to achieve remission and the reason for the resistance to chemotherapeutic agents may be linked to the presence of multidrug resistance (MDR) proteins. Lung resistance-related protein (LRP), multidrug resistance-associated protein and P-glycoprotein are three MD...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2006.10.012
更新日期：2007-04-01 00:00:00
abstract：:Overexpression of the Wilms' tumor gene 1 (WT1) was observed in most leukemia cells. In addition to four major isoforms of WT1, an N-terminally truncated isoforms (sWT1) has been identified. We separately quantified the transcript levels of sWT1 and full-length WT1 (fWT1) in 237 patients with acute myeloid leukemia (A...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2011.01.002
更新日期：2011-05-01 00:00:00
abstract：:Differentiation between reactive bone marrow suppression due to viral infection and early stages of leukemia can be difficult particularly in young infants. We report on a 2-month-old girl presenting with pancytopenia and positive markers for congenital cytomegalovirus (CMV) infection. Definitive diagnosis of coexisti...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2006.05.020
更新日期：2007-04-01 00:00:00
abstract：:The present study explored the effects of Forkhead box Q1 (FOXQ1) on cell proliferation, cell cycle and apoptosis via the Sonic hedgehog (Shh) pathway in Natural killer/T-cell lymphoma (NKTCL). Quantitative real time-polymerase chain reaction (qRT-PCR) was performed to detect FOXQ1 expression in 117 NKTCL patients and...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2017.11.001
更新日期：2018-01-01 00:00:00
abstract：:Many evidences have shown that dietary intake of cruciferous vegetables could protect against the risk of various types of malignancies. Benzyl isothiocyanate (BITC), one of the compounds from cruciferous vegetables, had shown induced cell cycle arrest and apoptosis in cancer cells. However, there is no available info...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2009.01.030
更新日期：2009-11-01 00:00:00
abstract：:Hybrid (C56BL/6 x DBA) (BDF1; H-2b/H-2d) mice bearing the P815 leukemia (H-2d) were grafted with a (CBA x C57BL/6)F1 (CBF1; H-2k/H-2b) cell suspension, comprising bone marrow cells (BMC; 25 x 10(6)/mouse) and spleen cells (SC; 55 x 10(6)/mouse) on day-4, then treated with cyclophosphamide (200 mg/kg) on day-2 and fina...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/s0145-2126(97)00011-8
更新日期：1997-10-01 00:00:00
abstract：:A single patient who had a leukemic relapse six months after receiving a syngeneic bone marrow transplant was given "adoptive chemoimmunotherapy." Lymphocytes from the patients identical twin were alloactivated and grown in T cell growth factor in vitro. After receiving chemotherapy to reduce the number of relapsed le...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/0145-2126(84)90110-3
更新日期：1984-01-01 00:00:00
abstract：:Homoharringtonine combined aclarubicin and cytarabine (HAA) has been demonstrated to achieve a high remission rate and provide a survival advantage in acute myeloid leukemia (AML). To investigate whether HAA is an ideal induction regimen for t(8;21)AML, we retrospectively analyzed the data of 140 patients from the las...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2016.02.012
更新日期：2016-05-01 00:00:00
abstract：:This study evaluated the association of -401C/T and +452C/T polymorphisms of gamma-glutamyl hydrolase and the risk of relapse to acute lymphoblastic leukemia. Genotyping was performed in 70 children with acute lymphoblastic leukemia and 140 healthy children. An association between the -401C/T polymorphism and the risk...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2009.11.027
更新日期：2010-06-01 00:00:00
abstract：BACKGROUND:T- cell prolymphocytic leukemia (T- PLL) is a rare aggressive hematological malignancy. Alemtuzumab, an anti-CD52 humanized monoclonal antibody, is the treatment of choice for remission induction. Allogeneic hematopoietic cell transplantation (allo-HCT) has been described to induce durable remissions and imp...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2018.01.009
更新日期：2018-04-01 00:00:00
abstract：:We evaluated the cytotoxicity of dimethylsphingosine (DMS) against four human leukemia cell lines: two acute (HL60 and a multi-drug resistance MDR-positive derivative HL60-dox) and two blast crisis chronic myelogenous leukemias (JFP1, from a treatment refractory patient and K562), and against blasts isolated from 11 l...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/s0145-2126(01)00129-1
更新日期：2002-03-01 00:00:00
abstract：:Cell-mediated natural cytotoxicity (CMNC) of fresh or long-term cultured lymphocytes collected from HTLV-positive patients or infected in vitro with the virus, was tested against K562 target cells. Severe depression of reactivity was found in fresh lymphocytes of three patients with advanced disease, in 12 in vitro es...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/0145-2126(85)90056-6
更新日期：1985-01-01 00:00:00
abstract：:Two AML patients, whose leukemic clonogenic cells totally reacted to the anti-lactofucopentaose III S4-7 monoclonal antibody (MoAb), underwent autologous bone marrow transplantation, in first complete remission, after in-vitro purging with S4-7 MoAb and complement. After ablative chemotherapy (BAVC regimen) and reinfu...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/0145-2126(87)90050-6
更新日期：1987-01-01 00:00:00
abstract：:Serial samples of peripheral blood were obtained from 75 children with acute lymphoblastic leukemia in remission. An immunofluorescence assay was used to quantitate TdT-containing (terminal deoxynucleotidyl transferase-containing) cells in the mononuclear leukocyte fraction of these specimens. Nine relapses in 8 patie...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/0145-2126(87)90089-0
更新日期：1987-01-01 00:00:00
abstract：:We report a unique case of chronic myelocytic leukemia (CML) with the Philadelphia (Ph) chromosome. The patient obtained cytogenetic complete remission (CR) after treatment with interferon (IFN). When he transformed to acute lymphocytic leukemia (ALL), cytogenetic analysis showed that the karyotype was normal and fluo...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/s0145-2126(02)00175-3
更新日期：2003-04-01 00:00:00
abstract：:In biology, the term "clone" is most widely used to designate genetically identical cells or organisms that are asexually descended from a common progenitor. The concept of clonality in hematology-oncology has received much attention in recent years, as the advent of next-generation sequencing platforms has provided n...
journal_title：Leukemia research
pub_type： 历史文章,杂志文章
doi：10.1016/j.leukres.2017.03.004
更新日期：2017-06-01 00:00:00
abstract：:Normal human peripheral blood polymorphonuclear leukocytes (PMNs) and cells from a human acute promyelocytic leukemia line (HL-60) were tested for cytotoxic potential against two human glioma and one normal fibroblast line. Both the PMNs and HL-60 exhibited significant cytotoxicity against the tumor targets while spar...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/0145-2126(84)90101-2
更新日期：1984-01-01 00:00:00
abstract：:Acute lymphoblastic leukemia (ALL) is the most common childhood malignancy. Although several clinical characteristics can be associated with worse prognosis, more robust biological markers still remains uncovered. SMYD2, a member of SMYD protein family, regulates the activity of several proteins through methylation. I...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2014.01.013
更新日期：2014-04-01 00:00:00
abstract：:A primary mitochondrial defect may be pivotal in the pathogenesis of acquired idiopathic sideroblastic anemia (AISA). The mitochondrial respiratory chain is involved in mitochondrial iron uptake and supply of ferrous iron (Fe2+) for heme synthesis. Mitochondrial DNA (mtDNA) comes into play because several subunits of ...
journal_title：Leukemia research
pub_type： 杂志文章,评审
doi：10.1016/s0145-2126(99)00160-5
更新日期：2000-02-01 00:00:00
abstract：:A t(14;18) translocation is closely associated with the follicular lymphoma but is also seen in diffuse B cell lymphomas with a previous history of a follicular lymphoma as well as de novo diffuse lymphomas. Estimation of the frequency of t(14;18) in follicular lymphoma vary widely from 33 to 89%. Furthermore, no exte...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/s0145-2126(00)00009-6
更新日期：2000-06-01 00:00:00
abstract：:In previous studies, HL60 AML cells treated with tumor necrosis factor-alpha (TNF), interferon-gamma (IFN), and lipopolysaccharides (LPS) displayed decreased growth and viability, enhanced monocytic pathway differentiation and endogenous TNF release. Endogenous TNF release by LPS/TNF/IFN treated HL60 cells was postula...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/0145-2126(94)90004-3
更新日期：1994-01-01 00:00:00
abstract：:We have studied 35 adult patients with morphologically undifferentiated peroxidase-negative acute leukemia that failed to meet the criteria for acute lymphoblastic leukemia and compared them to patients with FAB M1-M7 seen by the same physicians. The diagnosis of minimally differentiated acute leukemia (MD-AL) was ass...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/0145-2126(93)90002-3
更新日期：1993-03-01 00:00:00
abstract：BACKGROUND:Therapy strategies for myelodysplastic syndromes (MDS) and juvenile myelomonocytic leukemia (JMML) vary considerably. OBJECTIVE:To review the treatment of Brazilian children who were diagnosed with MDS or JMML in the past decade and reported to the Brazilian Cooperative Group on Pediatric Myelodysplastic Sy...
journal_title：Leukemia research
pub_type： 杂志文章,多中心研究
doi：10.1016/j.leukres.2004.01.008
更新日期：2004-09-01 00:00:00
abstract：:We studied differentiation inducing effects of retinoic acid (RA), 1 alpha, 25-dihydroxyvitamin D3 (D3) and interferons (IFNs), alone and in combination, on fresh myeloid leukemic cells from 8 patients. RA not only induced the differentiation of leukemic cells in 5/8 cases, but potentiated differentiation by IFNs eith...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/0145-2126(90)90072-h
更新日期：1990-01-01 00:00:00
abstract：:In a previous study we reported that a new anthracycline derivative (moflomycin) exhibited a higher antileukemic activity compared to other anthracyclines, such as daunorubicin and doxorubicin. To explain the superior antileukemic effect of moflomycin and to disclose a possible structure-activity relationship, we inve...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/0145-2126(95)00155-7
更新日期：1996-02-01 00:00:00
