Abstract:
AIM:The immunoproteasome is a specific proteasome isoform whose proteolytic activity enhances the generation of antigenic peptides to be presented by major histocompatibility complex class I molecules to CD8+ T cells. Physiologically, it is expressed abundantly in immune cells and is induced in somatic cells by cytokines, especially interferon-γ. Recently, variable expression of immunoproteasomes has been demonstrated in different types of cancers. However, the clinical significance of immunoproteasome expression in malignant tumours is poorly understood. In this study, we performed clinicopathological evaluation of immunoproteasome subunit β5i in non-small cell lung carcinomas (NSCLCs). METHODS:Tumour tissues were collected from 155 patients with NSCLCs, and immunohistochemical analysis for β5i was performed in relation to the prognosis of patients. RESULTS:High expression of β5i was found in about 20% of all NSCLCs and was found significantly more frequently (40%) in the adenocarcinoma subset. High expression of β5i was associated with a better 5-year relative survival rate in patients with pStage I to II adenocarcinoma and was also a significant and independent favourable prognostic factor in adenocarcinoma patients. In addition, when we performed in vitro analysis using NSCLC cell lines, combined treatment with the immunoproteasome-specific inhibitor ONX0914 and the proteasome inhibitor MG132 enhanced cell death in β5i-expressing NSCLC cell lines. CONCLUSION:The expression of immunoproteasome can be explored as both a prognostic factor and a potential therapeutic target in NSCLCs. Since immunoproteasomes have crucial role in the antigen presentation, further studies may help to provide essential knowledge for therapeutic strategies in anticancer immunotherapy.
journal_name
J Clin Patholjournal_title
Journal of clinical pathologyauthors
Kiuchi T,Tomaru U,Ishizu A,Imagawa M,Iwasaki S,Suzuki A,Otsuka N,Ohhara Y,Kinoshita I,Matsuno Y,Dosaka-Akita H,Kasahara Mdoi
10.1136/jclinpath-2020-206618subject
Has Abstractpub_date
2020-09-17 00:00:00eissn
0021-9746issn
1472-4146pii
jclinpath-2020-206618pub_type
杂志文章abstract::The development of sensitive reagents and detection systems, together with the introduction of heat-induced antigen retrieval, has rapidly entrenched immunohistology as an indispensable adjunct to routine histological examination, contributing to diagnosis, prognosis and treatment. New antibodies continue to be produc...
journal_title:Journal of clinical pathology
pub_type: 杂志文章,评审
doi:10.1136/jcp.2005.031179
更新日期:2006-11-01 00:00:00
abstract::Sperm-agglutinating antibodies were present in three (2-6%) of 117 fertile men and in 19 (33-9%) of 56 men who had been vasectomized. Twenty-four of the 56 vasectomized men had been studied before vasectomy; sperm-agglutinating antibodies were present in one (4-3%) compared with eight (33-3%) after vasectomy. No sperm...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.29.12.1127
更新日期:1976-12-01 00:00:00
abstract:BACKGROUND:Breast-conserving surgery currently focuses on improving margin clearance and excision volume, the main pathology report parameters for oncological and cosmetic outcomes. AIM:To quantitatively evaluate discrepancies in surgical and pathological estimates of breast specimen sizes, including the influence of ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章,多中心研究
doi:10.1136/jclinpath-2011-200392
更新日期:2012-03-01 00:00:00
abstract::The Kallestad Corporation recently suggested that their new buffer system for the nephelometric detection of rheumatoid factor conferred advantages over existing systems. Two rate nephelometric procedures, the Kallestad QM-300 and the Beckman ICS-II (RF), were therefore compared. Sera (n = 157) were selected on the ba...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.43.3.243
更新日期:1990-03-01 00:00:00
abstract::The number and density of argyrophil endocrine cells were morphometrically calculated in gastric fundal mucosal biopsy specimens taken from 64 patients with pernicious anaemia (five with gastric carcinoids, 15 with nodular argyrophil cell hyperplasia, 44 with diffuse argyrophil cell hyperplasia) and from 14 healthy co...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.42.4.371
更新日期:1989-04-01 00:00:00
abstract::An indirect immunoperoxidase technique has been used for visualisation of cellular immunoglobulins in chronic lymphocytic leukaemia. Baker's formol calcium was used as fixative. Monoclonal light and heavy chain patterns were demonstrated in 24 out of 27 cases. Only one case did not have any demonstrable immunoglobulin...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.36.12.1391
更新日期:1983-12-01 00:00:00
abstract::A technique, using indirect immunoperoxidase antibody (IPA), was developed for the detection of IgG antibody to Chlamydia trachomatis. The IPA technique employs glass slides with air-dried and acetone-fixed C trachomatis infected cells, which can be stored at -70 degrees C and used for several months. Antibody titres ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.36.3.353
更新日期:1983-03-01 00:00:00
abstract:AIMS:To document the features of the so-called aplastic presentation of childhood acute lymphoblastic leukaemia (ALL) and to determine whether this prodrome can be distinguished from aplasia. METHODS:The peripheral blood and bone marrow appearances of all cases of childhood ALL presenting in one health region of Engla...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.45.8.697
更新日期:1992-08-01 00:00:00
abstract:BACKGROUND:Many patients with advanced cancer are malnourished. Anorexia is common, as is the use of chemotherapy, which may cause nausea and poor appetite. Ten per cent of these patients experience haemorrhagic events. AIM:Since vitamin K deficiency (VKD) causes bleeding, to establish the prevalence of VKD in patient...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.2007.052498
更新日期:2008-04-01 00:00:00
abstract:BACKGROUND/AIMS:The programmed cell death receptor 1 (PD-1) checkpoint inhibitor, nivolumab, has been approved for the treatment of metastatic renal cell carcinoma (RCC). However, the understanding of the expression and distribution of PD ligand 1 (PD-L1) in the tumour immune microenvironment and its prognostic role in...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jclinpath-2019-206092
更新日期:2020-08-01 00:00:00
abstract:AIMS:To develop a readily applicable polymerase chain reaction (PCR) based technique which would permit the identification of Mycobacterium tuberculosis complex isolates from Bactec phials at an earlier stage than currently available methods. METHODS:Mycobacterial cells cultured in Bactec 12B medium were harvested by ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.45.7.601
更新日期:1992-07-01 00:00:00
abstract::Rhombencephalitis is not a rare presentation of listerial central nervous system infections in healthy adults. This report describes a case with several management difficulties linked to antibiotic related adverse events, pointing to alternative solutions to aminopenicillins. In addition, the role of dexamethasone in ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.2003.014738
更新日期:2004-06-01 00:00:00
abstract:AIMS:To evaluate aspects of the current practice of sentinel lymph node (SLN) pathology in breast cancer via a questionnaire based survey, to recognise major issues that the European guidelines for mammography screening should address in the next revision. METHODS:A questionnaire was circulated by mail or electronical...
journal_title:Journal of clinical pathology
pub_type: 杂志文章,多中心研究
doi:10.1136/jcp.2003.013599
更新日期:2004-07-01 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::A case is reported of a patient with plasmacytoma which assumed different clinicopathological features over seven years. The tumour first presented as a subcutaneous mass which was misdiagnosed as anaplastic carcinoma. Complete response to radiotherapy ensued but recurrence took the form of an intracerebral tumour. Fu...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.47.10.951
更新日期:1994-10-01 00:00:00
abstract:BACKGROUND:In primary aldosteronism (PA) the main source of aldosterone hypersecretion is an aldosterone-producing adenoma (APA) or a bilateral hyperplasia. Histopathology of the adrenal gland from patients with PA has been difficult, as there are no morphological criteria to ascertain which are the cells that produce ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jclinpath-2012-201287
更新日期:2013-04-01 00:00:00
abstract:AIMS:To investigate staining patterns for mannan binding protein (MBP) by immunocytochemistry in liver biopsy specimens from patients with various hepatic disorders; to measure the serum MBP concentration in the patients at the time of biopsy; and to compare these to define further the role of MBP in disease. METHODS:...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.46.3.259
更新日期:1993-03-01 00:00:00
abstract:BACKGROUND:Some uterine endometrioid adenocarcinomas exhibit a distinctive morphological phenotype characterised by the formation of microcystic, elongated and fragmented (MELF) glands. Immunohistochemical studies have suggested that MELF-type changes represent an epithelial-mesenchymal transition which has been associ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.2009.069500
更新日期:2010-07-01 00:00:00
abstract::HeLa 229 cells were infected with genital tract strains of Chlamydia trachomatis. After incubation for varying times the infected cells were fixed and stained with the fluorescent DNA binding dyes Hoechst 33258 or DAPI for comparison with conventional Giemsa stain. Fluorochrome-treated preparations were examined by in...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.32.11.1155
更新日期:1979-11-01 00:00:00
abstract::A quantitative method of estimating heparin co-factor in terms of percentage activity is presented. The activity in sera from 75 normal subjects varied little from 100%. Low results were obtained in sera from 50 cases of varying types of malignancy. ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.16.2.115
更新日期:1963-03-01 00:00:00
abstract::Normal haemoglobin is a tetramer molecule, consisting of two α and β haemoglobin chains. Haemoglobinopathies occur when abnormalities in these proteins are present. More than 1000 naturally occurring human haemoglobin variants with single amino acid substitution throughout the molecule have been identified and can be ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章,评审
doi:10.1136/jclinpath-2018-205616
更新日期:2019-07-01 00:00:00
abstract::The urinary excretion of the renal proximal tubular enzyme, gamma-glutamyltransferase (gamma-GT), has been studied in 41 patients receiving tobramycin, gentamicin or streptomycin for a variety of infections. All patients receiving tobramycin or gentamicin have shown increased excretion of gamma-GT in the urine. Only 4...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.30.5.432
更新日期:1977-05-01 00:00:00
abstract::A Cyto-Tek staining machine designed for Papanicolau staining of cervical smears has been adapted for auramine staining of smears of sputum and other clinical specimens for acid-fast bacilli. The results compared favourably with those obtained by a manual method of staining. Contamination of negative smears by acid-fa...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.31.2.185
更新日期:1978-02-01 00:00:00
abstract::A histochemical method is described of differentiating between normal and neoplastic cells in plasma using the activity of various enzymes characteristic of plasma cells. It was found that in both types of cell increased or diminished activity of cytoenzymes is a useful means of distinguishing between normal and abnor...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.18.3.345
更新日期:1965-05-01 00:00:00
abstract:CLINICAL QUESTION:A 45-year-old woman presented with painless vaginal bleeding for 2 months. A biopsy was taken from the uterine cervix, and poorly differentiated adenocarcinoma was suspected. After three cycles of neoadjuvant chemotherapy treatment, the patient underwent radical hysterectomy with bilateral salpingo-oo...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jclinpath-2018-205081
更新日期:2018-11-01 00:00:00
abstract::We present the pathological findings in a case of acquired immunodeficiency syndrome (AIDS) in a patient with no known risk factor. Postmortem examination showed klebsiella lung abscess, generalised cytomegalovirus infection, cerebral toxoplasmosis, and a primary cerebral lymphoma. An additional feature was the presen...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.37.4.471
更新日期:1984-04-01 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:BACKGROUND:Primary biliary cirrhosis (PBC) is an autoimmune liver disease characterised by the presence of various laboratory abnormalities but the precise role of laboratory staff in initiating clinical referral and subsequent biopsy is not clear. OBJECTIVE:To examine the impact of laboratory abnormalities in the inv...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.2005.028936
更新日期:2006-04-01 00:00:00
abstract:AIMS:Primary cilia play an important role in the regulation of cell signalling pathways and are thought to have a role in cancer but have seldom been studied in human cancer samples. METHODS:Primary cilia were visualised by dual immunofluorescence for anti-CROCC (ciliary rootlet coiled-coil) and anti-tubulin in a rang...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jclinpath-2016-204103
更新日期:2017-07-01 00:00:00
abstract:AIM:To evaluate a new enzyme immunoassay (EIA) method for detection of Clostridium difficile toxin by comparing it to cytotoxicity assay. To investigate the nature of false negative and false positive EIA results by evaluating clinical and therapeutic parameters. METHODS:737 consecutive diarrhoeal specimens collected ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.50.12.996
更新日期:1997-12-01 00:00:00