Abstract:
AIMS:The purpose of this study was to compare the DNA-methylation signature in classic chronic Philadelphia negative myeloproliferative neoplasms (MPN), polycythaemia vera (PV) and essential thrombocythaemia (ET), in order to obtain a global insight into DNA-methylation changes associated with these malignancies. METHODS:Thirty-five MPN samples from 11 ET JAK2 V617F, 12 ET JAK2 wild type (WT) and 12 PV JAK2 V617F patients as well as 12 from healthy donors were analysed. DNA samples extracted from whole peripheral blood were hybridised to the 'HumanMethylation27 DNA Analysis BeadChip.' RESULTS:All groups showed a very homogeneous methylation pattern. Only the ZNF577 gene showed a differential methylation profile between PV JAK2 V617F positive and controls. This aberrant methylation was correlated with a differential gene expression of ZNF577. No aberrant hypermethylation was found in the SOCS-1 and SOCS-3 genes. CONCLUSIONS:According to our results, an aberrant methylation pattern does not seem to play a crucial role in MPN pathogenesis; nor does it justify phenotypical differences between PV and ET.
journal_name
J Clin Patholjournal_title
Journal of clinical pathologyauthors
Barrio S,Gallardo M,Albizua E,Jimenez A,Rapado I,Ayala R,Gilsanz F,Martin-Subero JI,Martinez-Lopez Jdoi
10.1136/jclinpath-2011-200175subject
Has Abstractpub_date
2011-11-01 00:00:00pages
1010-3issue
11eissn
0021-9746issn
1472-4146pii
jclinpath-2011-200175journal_volume
64pub_type
杂志文章abstract::As part of a quality assurance programme at the Aga Khan University Medical Centre, Karachi, Pakistan, all hysterectomy specimens were reviewed from January 1986 to December 1989. Adenomyosis was found in 237 of the 419 (56.5%) specimens studied. Of these 237 patients, 232 (97.9%) were parous and 196 (82.8%) were in t...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.43.10.817
更新日期:1990-10-01 00:00:00
abstract:AIMS:To assess the significance of flat epithelial atypia (FEA) on core biopsy by evaluating the proportion of cases upgraded to in-situ and invasive carcinoma on further sampling with vacuum-assisted biopsy (VAB) or diagnostic surgical biopsy. METHODS:A retrospective analysis was performed of all core biopsies contai...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jclinpath-2011-200176
更新日期:2011-11-01 00:00:00
abstract:AIMS:Use of the polymerase chain reaction for the detection of Mycobacterium tuberculosis (TB PCR) as a basis for making clinical decisions on the initiation of antituberculosis treatment was studied. METHODS:A retrospective study involving a cohort of 155 patients being investigated for tuberculosis in an infectious ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.2003.012658
更新日期:2004-03-01 00:00:00
abstract:AIMS:To evaluate the Questor automated bacteriuria and pyuria screening system; to compare its performance with that of a reference method; and to assess its usefulness in a routine clinical laboratory. METHODS:The Questor urine screening system was compared with a comprehensive regimen to detect urinary tract infecti...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.46.9.817
更新日期:1993-09-01 00:00:00
abstract:AIMS:Evidence suggests that the presence of tumour necrosis is an adverse prognostic factor in renal cell carcinoma (RCC). However, it has also been shown that tumour regression, a microscopic feature associated with necrosis, may be a favourable short term prognostic factor in RCC. METHODS:Pathology reports of 253 RC...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.2004.018846
更新日期:2005-01-01 00:00:00
abstract::The adhesion molecule E-cadherin is essential for maintaining epithelial intercellular adhesion. Loss or reduced expression of E-cadherin has been related to invasive behaviour in a wide range of carcinomas. Using immunoblotting techniques, the existence of multiple soluble forms of E-cadherin was demonstrated in urin...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.48.2.179
更新日期:1995-02-01 00:00:00
abstract::It is found that serum antifibrinolytic activity is inhibitory both to the spontaneous fibrinolytic activity and to the activity of streptokinase-activated plasminogen. The titres of serum antiplasmin activity during gestation, labour, and the puerperium are all of the same order and do not differ from those in non-pr...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.13.3.220
更新日期:1960-05-01 00:00:00
abstract::Investigations into the immunological functions of three patients with chronic mucocutaneous candidiasis were carried out. Phagocytosis of Candida albicans, nitroblue tetrazolium dye reduction, complement, and immunoglobulin levels were normal. Candidacidal assays using the neutrophils of the patients in autologous se...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.33.4.370
更新日期:1980-04-01 00:00:00
abstract::Polymorphous low-grade adenocarcinoma (PLGA) is a rare tumour that mostly affects oral minor salivary glands. Our review of the literature found that there are only two reported cases of PLGA originating in the nasopharynx. Another nasopharyngeal PLGA in a 14-year-old boy is reported, focusing on the histopathological...
journal_title:Journal of clinical pathology
pub_type: 杂志文章,评审
doi:10.1136/jcp.2008.059642
更新日期:2008-10-01 00:00:00
abstract::A method is described for the quantitative separation of radioactive bile acids and neutral sterols in human faeces on a potassium hydroxide-treated silicic acid column. Results obtained with faecal extracts containing metabolites derived from radioactive cholesterol, cholic acid, and chenodeoxycholic acid show that t...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.18.1.105
更新日期:1965-01-01 00:00:00
abstract::Experience gained in the last four years concerning the capabilities and limitations of an 8K Elliott 903 (18-bit word) computer with magnetic tape backing store in the routine operation of a clinical chemistry laboratory is described. Designed as a total system, routine operation has latterly had to be confined to da...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.26.7.480
更新日期:1973-07-01 00:00:00
abstract::The sensitivity of 12 commonly used anti-HIV-1/HIV-2 enzyme immunoassays was evaluated. The assays, each of which utilises at least one synthetic HIV antigen, were tested against a panel of 1092 specimens previously designated anti-HIV positive. In a total of 13 104 tests there were eight false negative results attrib...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.48.5.490
更新日期:1995-05-01 00:00:00
abstract:AIMS:It has been suggested that adenocarcinomas of the lower oesophagus and gastric cardia should be reclassified as oesophagogastric junction (OGJ) cancers. This study aimed to define the frequency of OGJ cancers in a geographically defined population of 4.3 million people. METHODS:All cases of oesophageal and gastri...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.55.3.191
更新日期:2002-03-01 00:00:00
abstract::Two cases of Wegener's granulomatosis are described in which the early and predominating lesions were found in the breast. The histological features of breast necrosis with granulomatous inflammation and widespread vasculitis in the breast in the absence of any demonstrable pathogens enabled a presumptive diagnosis to...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.24.4.343
更新日期:1971-05-01 00:00:00
abstract:AIMS:To determine the sensitivity of commercially available diagnostic assays for Chlamydia trachomatis using a simple method. METHODS:Nine commercial assays and an "in-house" polymerase chain reaction (PCR) were evaluated using serial dilutions of a laboratory grown H serovar--four of them using a laboratory grown E ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.46.5.408
更新日期:1993-05-01 00:00:00
abstract:OBJECTIVES:To determine whether antibiotics are prescribed appropriately for acute tonsillitis in an emergency department (ED). METHODS:Cross-sectional observational study in large district general hospital in London. Patients diagnosed and coded with 'acute tonsillitis' in the ED over a 3-month period in 2015. Medica...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jclinpath-2016-203808
更新日期:2016-09-01 00:00:00
abstract::Thirteen meningiomas of varying light microscopic features were studied immunohistologically using a panel of monoclonal antibodies directed against epithelial, mesenchymal, and neural components. All 13 meningiomas showed expression of epithelial membrane antigen, vimentin, and S100 protein, as did normal meninges. F...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.39.4.435
更新日期:1986-04-01 00:00:00
abstract::The clinical and pathological findings in 23 patients with ischaemic lesions of the alimentary tract (ischaemic enterocolitis) are described. These are compared with findings in 13 patients with occlusive thrombosis of the superior mesenteric artery. The pathological features distinguishing the two conditions are disc...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.25.2.99
更新日期:1972-02-01 00:00:00
abstract::Serum labelled with (59)Fe for ferrokinetic studies should contain only [(59)Fe] transferrin. [(59)Fe] ferric citrate was incubated at 37 degrees C for up to 24 hours with sera having an excess latent iron-binding capacity. The results showed that unbound [(59)Fe] ferric citrate may be present for several hours. An an...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.24.5.472
更新日期:1971-07-01 00:00:00
abstract:INTRODUCTION/METHODS:After the recognition of contaminating algae on histopathological sections stained by periodic acid Schiff (PAS) and Grocott methods, a detailed audit was undertaken to assess the extent of contamination and its possible source. RESULTS:The contaminating organism was a member of the staurastrum ge...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.2005.026187
更新日期:2005-10-01 00:00:00
abstract:BACKGROUND:Ewing's sarcoma and peripheral primitive neuroectodermal tumour (pPNET) are now regarded as two morphological ends of a spectrum of neoplasms, characterised by a t(11;22) or other related chromosomal translocation involving the EWS gene on chromosome 22 and referred to as Ewing family of tumours (EFTs). EFTs...
journal_title:Journal of clinical pathology
pub_type: 杂志文章,评审
doi:10.1136/jcp.2006.040931
更新日期:2007-06-01 00:00:00
abstract::Immune and non-immune rubella sera were examined in the haemagglutination inhibition (HAI) test to evaluate the removal of lipoprotein non-specific inhibitors (NSI) of haemagglutination after kaolin and manganous chloride/heparin treatments. The sera were titrated fresh or after lipoprotein deterioration brought about...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.30.5.409
更新日期:1977-05-01 00:00:00
abstract:AIM:To examine a model for the evaluation of appropriateness of testing in an emergency biochemistry laboratory. METHODS:A model was devised in which incoming emergency test requests were categorised as appropriate or inappropriate. Explicit criteria were used to define eight minor categories, which were chosen to ref...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.48.12.1126
更新日期:1995-12-01 00:00:00
abstract::A blood group change from A2 to Ax is described in a boy who had Fallot's tetralogy, oesophageal atresia, and a tracheo-oesophageal fistula. The change of blood group created a transfusion problem. The unusual serology is discussed. ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.28.12.962
更新日期:1975-12-01 00:00:00
abstract:AIM:To develop a simple but reliable polymerase chain reaction (PCR) method to determine the HIV-1 status of patients on formalin fixed, paraffin wax embedded lymph node tissue. METHODS:Fifty lymph node specimens, 20 from HIV-1 seropositive and 30 from HIV-1 seronegative patients, were analysed. Lymph nodes with a var...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.48.8.733
更新日期:1995-08-01 00:00:00
abstract:AIM:Lymphocytic infiltration in the portal triads usually conceals the detection--in haematoxylin and eosin (H&E) stained sections--of bile ducts in two liver diseases: chronic hepatitis and primary biliary cirrhosis. The aim was to assess the number and the characteristics of the bile ducts in those diseases with the ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.53.10.765
更新日期:2000-10-01 00:00:00
abstract:AIMS:Caucasian patients with disorders of sex development (DSD) are at a high risk of developing germ cell cancer (GCC). GCC is prominent in young adults in Western countries, while the incidence is significantly lower in Asia. So far, the risk of GCC in Asian DSD patients is unknown. METHODS AND RESULTS:A detailed st...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jclinpath-2012-201062
更新日期:2013-03-01 00:00:00
abstract::In an attempt to confirm the presence or absence of central nervous tissue in commercially prepared beefburgers, four burgers were processed and stained using routine histological laboratory techniques. Constituent parts of the burgers could be identified readily. In this small sample no central nervous tissue was fou...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.44.2.164
更新日期:1991-02-01 00:00:00
abstract:BACKGROUND:Helicobacter pylori related gastric intestinal metaplasia (IM) is considered to be a precancerous lesion. AIMS:To identify the effects of H pylori eradication on K-ras mutations, cell kinetics in IM and histological changes in patients with and without gastric cancers in a one-year prospective study. METHO...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.2006.041939
更新日期:2007-08-01 00:00:00
abstract:AIMS:To determine the possible histogenesis of the intracranial variant of olfactory neuroblastoma. METHODS:Four specimens from three cases of intracranial olfactory neuroblastoma were studied by light microscopy and immuno-histochemistry, and electron microscopy in two cases. RESULTS:Light microscopical examination ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.45.4.299
更新日期:1992-04-01 00:00:00