Abstract:
AIMS:Pim-1 is a serine/threonine kinase that has been shown to play an integral role in the development of a number of human cancers, such as haematolymphoid malignancies. Recently, evidence has shown Pim-1 to be important in prostatic carcinogenesis. In order to further our understanding of its role in prostate cancer, we investigated Pim-1 expression in normal, premalignant, and malignant prostate tissue. METHODS:Using immunohistochemistry, Pim-1 expression was analysed in prostate tissue from 120 radical prostatectomy specimens. In each case, Pim-1 staining was evaluated in benign prostatic epithelium, high grade prostatic intraepithelial neoplasia (PIN), and prostatic adenocarcinoma. The number of positively staining cells was estimated, and the intensity of staining was scored on a scale of 0 to 3+. RESULTS:Pim-1 immunoreactivity was identified in 120 cases (100%) of adenocarcinoma, 120 cases (100%) of high grade PIN, and 62 cases (52%) of benign glands. The number of cells staining in benign epithelium (mean 34%) was much lower than that in high grade PIN (mean 80%; p<0.0001) or adenocarcinoma (mean, 84%; p<0.0001). There was no significant difference between high grade PIN and adenocarcinoma in the percentage of cells staining positively for Pim-1 (p = 0.34). The staining intensity for Pim-1 was significantly lower in benign prostatic epithelium than in PIN and adenocarcinoma (p<0.001). There was no statistically significant correlation between the level of Pim-1 expression and Gleason score, patient age, tumour stage, lymph node metastasis, perineural invasion, vascular invasion, surgical margin status, extraprostatic extension, or seminal vesicle invasion. CONCLUSIONS:Pim-1 expression is elevated in PIN and prostatic adenocarcinoma compared with benign prostatic epithelium. This finding suggests that upregulation of Pim-1 may play a role in prostatic neoplasia.
journal_name
J Clin Patholjournal_title
Journal of clinical pathologyauthors
Cibull TL,Jones TD,Li L,Eble JN,Ann Baldridge L,Malott SR,Luo Y,Cheng Ldoi
10.1136/jcp.2005.027672keywords:
subject
Has Abstractpub_date
2006-03-01 00:00:00pages
285-8issue
3eissn
0021-9746issn
1472-4146pii
59/3/285journal_volume
59pub_type
杂志文章abstract::Serum alanine aminotransferase (ALT) and gamma-glutamyltransferase (gamma-GT) activities were measured in over 2000 north London blood donors. The results were compared with those from the United States. The percentage of the total donor population with ALT activities above 40 IU/l in 1986 was greater than that found ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.40.11.1340
更新日期:1987-11-01 00:00:00
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journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.39.6.672
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journal_title:Journal of clinical pathology
pub_type: 杂志文章
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更新日期:1988-11-01 00:00:00
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journal_title:Journal of clinical pathology
pub_type: 杂志文章,评审
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journal_title:Journal of clinical pathology
pub_type: 杂志文章
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journal_title:Journal of clinical pathology
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doi:10.1136/jcp.30.10.948
更新日期:1977-10-01 00:00:00
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journal_title:Journal of clinical pathology
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更新日期:1986-09-01 00:00:00
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journal_title:Journal of clinical pathology
pub_type: 杂志文章
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journal_title:Journal of clinical pathology
pub_type: 杂志文章,评审
doi:10.1136/jcp.2007.048470
更新日期:2009-04-01 00:00:00
abstract:AIMS:To validate the Singapore nomogram for outcome prediction in breast phyllodes tumours in a large cohort of Singaporean patients, as previous validation studies were conducted on small numbers of patients. We also investigate the association of fibroadenomas and phyllodes tumours within a subset of our cohort. MET...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jclinpath-2017-204568
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journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.17.6.680
更新日期:1964-11-01 00:00:00
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pub_type: 杂志文章
doi:10.1136/jcp.52.7.494
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journal_title:Journal of clinical pathology
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journal_title:Journal of clinical pathology
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更新日期:2008-03-01 00:00:00
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journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.51.3.204
更新日期:1998-03-01 00:00:00
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journal_title:Journal of clinical pathology
pub_type: 杂志文章
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更新日期:1988-09-01 00:00:00
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journal_title:Journal of clinical pathology
pub_type: 杂志文章
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更新日期:1985-07-01 00:00:00