Abstract：
BACKGROUND:Myeloid sarcoma is a tumor mass that consists of myeloblasts or immature myeloid cells at an extramedullary site. Pathological diagnosis is very difficult based on morphology if systemic signs of disease are absent. The subtype of myeloid sarcoma is also minimally identifiable in the histological picture. FINDINGS:We investigated 18 paraffin-embedded myeloid sarcoma samples, and our immunohistochemical data confirmed the relevance of some key markers for the diagnosis and subclassification of myeloid sarcoma. CD34 was found as a marker in 67% of the myeloid sarcoma cases, and CD34 was positive in all immature types of myeloid sarcoma. CD68 was found in 83% of the myeloid sarcoma cases, but CD68 was most identified in the differentiated type of myeloid sarcoma. Myeloperoxidase (MPO) was positive in all myeloid sarcomas. Notably, the reactivity of MPO in the blastic subtype was much lower in myeloid sarcomas. CD117 reactivity was found in 67% of myeloid sarcomas. Ten-eleven translocation 2 (TET2) protein exhibited significant negative reactivity in 88% of the cases, and 5-methylcytosine (5-hmC) was significantly positive in the nucleus in 100% of the cases. CONCLUSIONS:Our findings indicated that an immunohistochemical panel that included MPO, CD68 and CD34 could be used for the detection of blastic, differentiated and immature types of myeloid sarcoma. Changes in novel epigenetic regulators, including the loss of TET2 and gain of 5-hmC, as characteristics of myeloid malignancies may be useful novel markers of myeloid sarcoma.
journal_name
Leuk Resjournal_title
Leukemia researchauthors
Xiao D,Shi Y,Fu C,Jia J,Pan Y,Jiang Y,Chen L,Liu S,Zhou W,Zhou J,Tao Ydoi
10.1016/j.leukres.2016.01.002subject
Has Abstractpub_date
2016-03-01 00:00:00pages
75-9eissn
0145-2126issn
1873-5835pii
S0145-2126(16)30002-9journal_volume
42pub_type
杂志文章abstract：BACKGROUND:Telomerase disfunction leads to short telometric overhangs, potentially resulting in chromosome instability. AIMS:To better understand the role of overhang length in the progression of myelodysplastic syndrome (MDS). METHODS:Bone marrow samples of 62 Chinese MDS patients were screened for TERT and TERC gen...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2013.06.011
更新日期：2013-10-01 00:00:00
abstract：:The resistance to all trans retinoic acid (ATRA) differentiating treatment is a consequence, in most of the cases, of either increased catabolism or down regulation of ATRA uptake. Recently, we have shown that ATRA efficiency to differentiate HL-60 cells was enhanced about 30 times after its incorporation into Low Den...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/s0145-2126(00)00019-9
更新日期：2000-06-01 00:00:00
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 l...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/0145-2126(95)00063-1
更新日期：1995-11-01 00:00:00
abstract：:The incidence of B cell chronic lymphocytic leukemia (B-CLL) is lower in Asian countries, including India, when compared with Western countries. The bcl-2 gene rearrangement was restricted to the 5' region and seen in only one of the 20 Indian patients analyzed. The incidence remains similar to that reported from West...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/0145-2126(96)00036-7
更新日期：1996-09-01 00:00:00
abstract：:Chronic B-lymphocytic leukemia (B-CLL) cells may be regulated by immune functions. In an attempt to analyze such functions, helper factors (IL-1 alpha, IL-1 beta and IL-6), T-cell products (sCD4 and sCD8) and sIL-2R and beta 2-microglobulin were measured in serum of patients at different stages of the disease. Patient...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/0145-2126(92)90009-v
更新日期：1992-06-01 00:00:00
abstract：BACKGROUND:For most cases of idiopathic acquired sideroblastic anemia (IASA), the molecular pathogenesis is unknown, despite the consistent morphological signature of abundant pathological ringed sideroblasts with their characteristic iron-engorged mitochondria. Moderately elevated free erythrocyte protoporphyrin (FEP)...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2006.06.005
更新日期：2007-05-01 00:00:00
abstract：:In-vitro infection of normal human lymphocytes with HTLV-I (human T-cell lymphotropic retrovirus type I) has been carried out to study the target cell specificity and the kinetics of infection. Cord blood (CBL) and adult peripheral blood lymphocytes (PBL) have been co-cultivated with irradiated HTLV-I donor cells (MT2...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/0145-2126(86)90056-1
更新日期：1986-01-01 00:00:00
abstract：:Although abnormalities in granulopoiesis detected by means of bone marrow cytology, culture and kinetic studies have provided prognostic data in preleukemic states and oligoblastic leukemias, this information cannot be applied to individual cases. In order to determine the indications for treatment and the form it sho...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/0145-2126(83)90018-8
更新日期：1983-01-01 00:00:00
abstract：BACKGROUND:Chronic Myeloid Leukemia (CML) is characterized by the overproduction of BCR-ABL, a tyrosine kinase with constitutive activity, in which the majority of CML patients have e13a2 or e14a2 transcripts. Reckoned the possible associations between the hematologic and molecular features of the disease, a profound u...
journal_title：Leukemia research
pub_type： 杂志文章,评审
doi：10.1016/j.leukres.2021.106512
更新日期：2021-01-19 00:00:00
abstract：:To elucidate the clinical and morphological differences between de novo acute myeloid leukemia (AML) with trilineage myelodysplasia (AML/TMDS) and AML developed from de novo myelodysplastic syndrome (MDS), we analyzed 12 and 13 cases, respectively. The median age of AML/TMDS patients was lower, but not significantly s...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/0145-2126(94)00134-v
更新日期：1995-02-01 00:00:00
abstract：:Aplastic anemia, myelodysplastic syndromes (MDS) and chronic myeloproliferative diseases (MPD) are stem cell disorders. There is no clear-cut demarcation of them. Hypoplastic MDS displays features of aplastic anemia and MDS, on the other side mixed myelodysplastic and myeloproliferative syndromes (MDS-MPS) develop. In...
journal_title：Leukemia research
pub_type： 杂志文章,多中心研究
doi：10.1016/0145-2126(96)00028-8
更新日期：1996-09-01 00:00:00
abstract：:Two white European males are reported with adult T-cell leukemia (ATL), a disease first described in Japan, but recently also in the U.K. and U.S.A. Both patients presented with lymphadenopathy, but without a mediastinal mass. In addition, one patient had skin infiltrates and the other had hepatosplenomegaly. Morpholo...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/0145-2126(83)90055-3
更新日期：1983-01-01 00:00:00
abstract：:A number of inborn errors of purine metabolism have been associated with immunodeficiency diseases. From studies to the possible mechanism(s) leading to the defects in the immune system, it appeared that the accumulation of deoxyATP and deoxyGTP and the subsequent inhibition of ribonucleotide reductase played an impor...
journal_title：Leukemia research
pub_type： 杂志文章,评审
doi：10.1016/0145-2126(83)90042-5
更新日期：1983-01-01 00:00:00
abstract：:Despite the evolution of effective frontline treatment strategies, many patients with myeloma inevitably relapse. Treatment can be complicated by the interplay of disease-, treatment-, and patient-related factors. Unfortunately, many patients eventually develop disease that is refractory to lenalidomide and bortezomib...
journal_title：Leukemia research
pub_type： 杂志文章,评审
doi：10.1016/j.leukres.2014.02.008
更新日期：2014-05-01 00:00:00
abstract：:Apoptosis resistance is an important mechanisms of drug resistance mediated by bone marrow stromal cells (BMSCs). BMSCs influence tumor cells survival through several mechanisms including direct cell-cell contact and the effects of soluble factors. In this research we investigated the role of X-linked inhibitor of apo...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2006.09.006
更新日期：2007-08-01 00:00:00
abstract：:Checkpoint genes code for a family of proteins which sense DNA damage in eukaryotic cells. They play an important role in the control of the cell cycle. The human CHK2 is a homolog of the yeast G(2) checkpoint kinases known as CDS1 and RAD53. The CHK2 may be a tumor suppressor gene because it was found to be mutated i...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/s0145-2126(00)00130-2
更新日期：2001-04-01 00:00:00
abstract：:Allogeneic hematopoietic stem cell transplantation provides curative therapy for some patients with advanced hematologic malignancies. Disease response after allogeneic transplant is, at least in part, mediated by donor immune cells. In this report we describe a cellular therapy using haploidentical peripheral blood s...
journal_title：Leukemia research
pub_type： 临床试验,杂志文章
doi：10.1016/j.leukres.2008.05.015
更新日期：2008-12-01 00:00:00
abstract：:A role for post-induction chemotherapy for adult patients with acute myeloblastic leukemia in remission has not been established. We have studied 125 patients with acute myeloblastic leukemia in complete remission to determine the effect on survival of remission maintenance therapy and of early reinduction therapy giv...
journal_title：Leukemia research
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1016/0145-2126(88)90136-1
更新日期：1988-01-01 00:00:00
abstract：:The frequency of chromosomal alterations was compared among four children groups: those with Down syndrome and acute leukemia (DS/AL), those with acute leukemia (AL), those with only Down syndrome (DS) and healthy children (NC). The frequency of acquired chromosome abnormalities was larger in the AL group, followed by...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2005.03.015
更新日期：2005-11-01 00:00:00
abstract：:We present our first experiences with determination of minimal residual disease (MRD) based on patient specific Flt3-ITD (internal tandem duplication) mutations. We analysed MRD status of 11 AML patients in a retrospective investigation and its potential impact on the follow up of these patients. In five out of six pa...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2004.12.001
更新日期：2005-07-01 00:00:00
abstract：:Analgesic use has been implicated in the chemoprevention of a number of solid tumors, but to date no previous research has focused on the role of analgesics in the etiology of multiple myeloma (MM). We conducted a hospital-based case-control study of 117 patients with primary, incident MM and 483 age and residence mat...
journal_title：Leukemia research
pub_type： 杂志文章,随机对照试验
doi：10.1016/j.leukres.2006.07.027
更新日期：2007-04-01 00:00:00
abstract：:In acute lymphoblastic leukemia (ALL) patients, automated fluorescence fragment analysis (ALF) has been reported to improve the monoclonality detection rate of immunoglobulin heavy chain genes (IgH) polymerase chain reaction (PCR) analysis. This study performed complementary determining region (CDR) I and III PCR on s...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/s0145-2126(01)00025-x
更新日期：2001-09-01 00:00:00
abstract：:The methylation inhibitor decitabine (DAC) has great therapeutic value for myelodysplastic syndrome (MDS) and acute myeloid leukemia (AML). However, DAC monotherapy is associated with relatively low rates of overall response and complete remission. Previous studies have shown promising results for combination treatmen...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2016.02.002
更新日期：2016-05-01 00:00:00
abstract：:Increasing evidence suggest that epigenetic mechanisms (e.g. histone modification by histone deacetylases) play a major role in the pathogenesis of Hodgkin's lymphoma (HL). We treated HL cell lines with the histone deacetylase inhibitor vorinostat and investigated the gene expression profile of these cells by using DN...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2012.02.021
更新日期：2012-06-01 00:00:00
abstract：:We investigated the effects of two sex steroids (17beta estradiol and testosterone) on five human leukemia cell lines. We observed a statistically significant inhibition of proliferation, dose and time dependent, of the human monoblastic leukemia cell line U937. This inhibition was associated with a dose dependent dec...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/s0145-2126(98)00101-5
更新日期：1998-11-01 00:00:00
abstract：:Mantle cell lymphoma (MCL) an incurable B-cell, non-Hodgkin lymphoma (NHL) urgently requires new treatments. We assessed reovirus mediated oncolysis in a panel of human MCL cell lines. In vitro, we found the cytopathic effect of reovirus infection ranged from high to very limited and correlated with levels of Ras acti...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2009.05.020
更新日期：2010-01-01 00:00:00
abstract：:Defective apoptosis is a hallmark of the progression of B chronic lymphocytic leukaemia (B-CLL). Smac-mimetics have been shown to induce apoptosis in several tumours. We describe the in vitro pro-apoptotic activity and regulation of the molecular pathway induced by new Smac-mimetics in B-CLL. The cytotoxic effect was ...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2013.03.016
更新日期：2013-07-01 00:00:00
abstract：:Blastic transformation of myeloproliferative neoplasms (MPN) is still poorly understood. We describe a cohort of 23 Roswell Park Cancer Institute (RPCI) patients and 89 additional cases from the English literature for whom biologic features were described. We initially compared our 23 patients to the 89 cases from the...
journal_title：Leukemia research
pub_type： 杂志文章,评审
doi：10.1016/j.leukres.2010.07.031
更新日期：2011-05-01 00:00:00
abstract：:This study focuses on the effect of chemotherapy on endocrinopathies and the metabolic syndrome in adult survivors of childhood acute myeloid leukemia (AML). Endocrine function and metabolic syndrome were evaluated in 12 AML survivors, treated with chemotherapy, and in 9 survivors of myeloid leukemias treated with ste...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/j.leukres.2012.12.008
更新日期：2013-04-01 00:00:00
abstract：:The glycosylation of beta-hexosaminidase was investigated in the transformed cell-line, CCRF/CEM, derived from a human acute lymphoblastic leukaemia, and comparisons were made with enzyme from normal human skin fibroblasts. A series of studies including neuraminidase sensitivity, lectin chromatography, Biogel P4 chrom...
journal_title：Leukemia research
pub_type： 杂志文章
doi：10.1016/0145-2126(88)90146-4
更新日期：1988-01-01 00:00:00
