Abstract:
:Apoptosis can be induced in response to hypoxia. The severity of hypoxia determines whether cells become apoptotic or adapt to hypoxia and survive. A hypoxic environment devoid of nutrients prevents the cell undergoing energy dependent apoptosis and cells become necrotic. Apoptosis regulatory proteins are delicately balanced. In solid tumours, hypoxia is a common phenomenon. Cells adapt to this environmental stress, so that after repeated periods of hypoxia, selection for resistance to hypoxia induced apoptosis occurs. These resistant tumours probably have a more aggressive phenotype and may have decreased responsiveness to treatment. The key regulator of this process, hypoxia inducible factor 1 (HIF-1), can initiate apoptosis by inducing high concentrations of proapoptotic proteins, such as BNIP3, and can cause stabilisation of p53. However, during hypoxia, antiapoptotic proteins, such as IAP-2, can be induced, whereas the proapoptotic protein Bax can be downregulated. During hypoxia, an intricate balance exists between factors that induce or counteract apoptosis, or even stimulate proliferation. Understanding the regulation of apoptosis during hypoxia and the mechanisms of resistance to apoptosis might lead to more specific treatments for solid tumours.
journal_name
J Clin Patholjournal_title
Journal of clinical pathologyauthors
Greijer AE,van der Wall Edoi
10.1136/jcp.2003.015032keywords:
subject
Has Abstractpub_date
2004-10-01 00:00:00pages
1009-14issue
10eissn
0021-9746issn
1472-4146pii
57/10/1009journal_volume
57pub_type
杂志文章,评审abstract::A rapid and reproducible technique for in situ hybridisation, using biotin labelled probes for the Y chromosome, human DNA, hepatitis B virus DNA and cytomegalovirus DNA on formalin fixed, paraffin embedded liver tissue, was developed. The degree of proteolytic digestion of tissue specimens is critical to ensure adequ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.41.7.793
更新日期:1988-07-01 00:00:00
abstract::Liver diseases are associated with complex haemostasis defects, in which platelets, coagulation, and fibrinolysis may all be affected. The low plasma concentrations of clotting factors often found can be the result of many changes such as impaired synthesis, increased catabolism due to intravascular coagulation, or al...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.37.5.523
更新日期:1984-05-01 00:00:00
abstract:OBJECTIVE:To study the expression of nuclear beta-catenin and Ki-67 in patients with normal gestation products (NGP), complete hydatidiform moles (CHM), and choriocarcinoma to elucidate their roles in carcinogenesis and their interrelations. METHODS:Expression of nuclear beta-catenin and Ki-67 was studied by immunohis...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.2005.026666
更新日期:2006-04-01 00:00:00
abstract::Escherichia coli O157:H7 was isolated from a fatal case of haemorrhagic colitis with haemolytic uraemic syndrome and neurological symptoms. This strain induced diarrhoea and neurological symptoms including incoordination, ataxia, and convulsions in piglets after oral inoculation. Similar neurological signs were seen i...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.41.10.1099
更新日期:1988-10-01 00:00:00
abstract::The histological appearances of the breast in a patient with mucoviscidosis are those of complete lobular agenesis. Ducts and ductules are well developed, and there is abundant fibrous tissue giving the breast a normal contour. The appearances are contrasted with those of gynaecomastia, and the aetiology is discussed....
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.25.2.119
更新日期:1972-02-01 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:AIMS:To assess A103 (melan-A) immunoreactivity in a range of ovarian sex cord stromal tumours and to evaluate it for the differential diagnosis of other neoplasms. METHODS:Paraffin embedded tissue sections from 45 sex cord stromal tumours and 44 potential histological mimics were examined immunohistochemically using t...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.53.3.206
更新日期:2000-03-01 00:00:00
abstract::A case of idiopathic acquired sideroblastic anaemia transforming to acute myelofibrosis is reported. The appearance of atypical megakaryocytic proliferation in idiopathic acquired sideroblastic anaemia may presage the development of an acute myelofibrotic phase of this usually chronic disease. ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.37.9.1032
更新日期:1984-09-01 00:00:00
abstract:AIMS:Accurate assessment of HER2 status is essential for selection of patients for HER2-targeted treatment such as trastuzumab. This study investigated the hypothesis that delayed fixation impairs HER2 assessment. METHODS:9 carcinomas were received fresh, and samples were fixed immediately or put in fixative at time i...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jclinpath-2013-201978
更新日期:2014-07-01 00:00:00
abstract::The macrophage markers non-specific esterase, alpha 1-antitrypsin, alpha 1-antichymotrypsin, and lysozyme were compared with conventional microglial and macrophage stains in the human central nervous system. In a series of specimens from cases of head trauma, conventionally fixed and embedded, the modified Weil-Davenp...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.37.2.150
更新日期:1984-02-01 00:00:00
abstract:AIMS:To investigate the expression of catenins (alpha, beta, and gamma) in non-small cell lung carcinoma (NSCLC) and its relation to clinicopathological factors and prognosis. METHODS:The expression of catenins was analysed immunohistochemically in 261 patients with resected NSCLC, diagnosed between 1978 and 1996 in e...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.54.5.391
更新日期:2001-05-01 00:00:00
abstract:AIMS/BACKGROUND:Telomerase, an enzyme associated with cellular immortality, is expressed by most malignant tumours, but is inactive in normal somatic cells except for male germ cells and proliferating stem cells. Thus, the measurement of telomerase activity in tissue samples may provide useful diagnostic and prognostic...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.50.2.110
更新日期:1997-02-01 00:00:00
abstract:AIM:To investigate the association between the quantity of gastric chemokine mRNA expression, severity of gastritis, and cagA positivity in Helicobacter pylori associated gastritis. METHODS:In 83 dyspeptic patients, antral and corpus biopsies were taken for semiquantitative reverse transcription polymerase chain react...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.51.10.765
更新日期:1998-10-01 00:00:00
abstract::A post-mortem examination, in the case of a 34-year-old man dying suddenly from head injuries sustained in a road accident, showed early cirrhosis of the liver and associated splenomegaly 17 years after an attack of infective hepatitis. The histology of the thymus showed abnormal changes in the medulla, consisting of ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.16.5.445
更新日期:1963-09-01 00:00:00
abstract:AIMS:The assessment of lymphatic vessel density (LVD) has been suggested as a tool to determine the metastatic risk of neoplasias. On this premise, the authors aimed to verify whether progression risk of stage I colorectal cancer may be related to LVD. The authors also evaluated and correlated vascular endothelial grow...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.2010.083550
更新日期:2011-01-01 00:00:00
abstract:INTRODUCTION:Whole slide images (WSI) have been used in many pathology applications such as teleconsultation, teaching and research, but not in primary diagnostics. The aim of this study was to test the feasibility of using WSI in primary diagnostics of paediatric pathology specimens and placental tissue. MATERIALS AN...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jclinpath-2012-201104
更新日期:2013-03-01 00:00:00
abstract:AIM:To assess the topographical relation between gastric glands, using the minimum spanning tree (MST), to derive both a model of neighbourhood and quantitative representation of the tissue's architecture, to assess the characteristic features of gastric atrophy, and to assess the grades of gastric atrophy. METHODS:Ha...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.51.12.895
更新日期:1998-12-01 00:00:00
abstract:BACKGROUND:Prognostic factors in predicting outcomes in patients with head and neck squamous-cell carcinoma (HNSCC) are limited to the clinical-pathological parameters, including lymph node metastasis, location, grade and stage of the disease. AIM:To determine whether the expression of these proteins has a value in pr...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.2006.036624
更新日期:2007-02-01 00:00:00
abstract:BACKGROUND:Periostin is a secreted adhesion protein, normally expressed in mesenchime-derived cells. Aberrant expression of the periostin gene in epithelial tumours seems to play a role in angiogenesis and metastases. AIMS:To investigate periostin expression in a consecutive series of breast carcinomas and correlate i...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.2007.052506
更新日期:2008-04-01 00:00:00
abstract::Three adults with alpha 1-antitrypsin deficiency are described. In two of the cases the deficiency was genetically determined (cases 1 and 2), and each demonstrated unusual features of the disease. The liver in case 1 (homozygous) showed cholangiolar hyperplasia which has been recorded only once before. Case 2 (hetero...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.28.8.613
更新日期:1975-08-01 00:00:00
abstract::Several DNA extraction techniques were quantitatively and qualitatively compared using both fresh and paraffin wax embedded tissue and their suitability investigated for providing DNA and RNA for the polymerase chain reaction (PCR). A one hour incubation with proteinase K was the most efficient DNA extraction procedur...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.43.6.499
更新日期:1990-06-01 00:00:00
abstract::The diagnostic value of the Becton Dickinson Radioassay Kit (125I) for the the assay of red cell folate has been investigated. The assay was acceptable with regards to precision but was non-linear with changing packed cell volume. Sensitivity of the assay was satisfactory, with 24 of 25 folate deficient patients givin...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.37.8.888
更新日期:1984-08-01 00:00:00
abstract::The biochemical classification of the Klebsiella proposed by Cowan, Steel, Shaw, and Duguid (1960) has been applied to 50 strains isolated as the pure or predominant growth from sputum, and Klebsiella species have been correlated with the severity of the chest infection in the patient. A modification in nomenclature i...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.15.5.478
更新日期:1962-09-01 00:00:00
abstract::Three hundred specimens of oesophagus obtained at necropsy from infants and children aged from 0 to 14 years, dying from a variety of causes, were examined prospectively for evidence of gastric heterotopia. Gastric heterotopia was observed in 63 (21%) of the whole series, representing a much higher incidence than repo...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.41.7.742
更新日期:1988-07-01 00:00:00
abstract::Two newborn babies with an intact atrial septum are described. In one, the two components of the atrial septum appeared to have become fused after relatively normal initial development; the left side of this heart was hypoplastic. In the other baby the formation of the atrial septum appeared to have been completely an...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.19.6.549
更新日期:1966-11-01 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:AIMS:To assess the prevalence of gastric giardiasis in patients undergoing upper gastrointestinal endoscopy, and to define the clinicopathological correlates of gastric Giardia lamblia infection. METHODS:Consecutive gastric biopsy specimens (n = 15,023) from 11,085 patients, taken at Feltre City Hospital (north easter...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.45.11.964
更新日期:1992-11-01 00:00:00
abstract::Rates of urinary excretion concomitant with the molecular size distribution of filtered polymer fragments were determined in five normovolaemic men dosed with 30 g/m2 BSA of a species of HES (HES 350/0.60) possessing a M-W of 350 000 combined with an MS of 0.60. Approximately 13% of the total injected dose of HES 350/...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.34.4.361
更新日期:1981-04-01 00:00:00
abstract::Nasal biopsy findings in malignant histiocytosis presenting clinically as lethal midline granuloma are characterised by necrosis and infiltration of atypical histiocytic cells with a diffuse positive reaction for non-specific esterase. This cellular character was common to midline malignant reticulosis, and midline ma...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.35.6.599
更新日期:1982-06-01 00:00:00
abstract::Two aspects of handwashing in hospital were considered. A study was carried out to examine the contamination of bar soap and containers, and the use of antiseptic soaps in reducing the resident flora of the skin. Swabs were collected from soap dishes on six wards and from a bacteriology laboratory on four consecutive ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.32.7.732
更新日期:1979-07-01 00:00:00