Phenotypic characterization of the infiltrating immune cells in normal prostate, benign nodular prostatic hyperplasia and prostatic adenocarcinoma
Phenotypic characterization of the infiltrating immune cells in normal prostate, benign nodular prostatic hyperplasia and prostatic adenocarcinoma
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DOI:
10.1016/j.yexmp.2008.11.010
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发表时间:
2009-04-01
影响因子:
3.6
通讯作者:
Musalam, Adel O.
中科院分区:
文献类型:
--
作者:
Hussein, Mahmoud-Rezk A.;Al-Assiri, Mana;Musalam, Adel O.
Background: Immune cell infiltrate is a constant feature in normal prostate, benign nodular prostatic hyperplasia and prostatic adenocarcinoma. This study elaborates on the cells of the immune system present in normal prostate, benign nodular prostatic hyperplasia and prostatic adenocarcinoma.Hypothesis: Here, we hypothesized that "the development of benign nodular prostatic hyperplasia and prostatic adenocarcinoma is associated with numeric alterations of the immune cell infiltrate".Materials and methods: A total of 50 transurethral prostatic resection specimens, each entailing normal prostate, benign nodular prostatic hyperplasia and high grade prostatic adenocarcinoma were evaluated for the density and phenotype of the immune cells using immunohistological methods and mouse monoclonal antibodies decorating T cells (CD3), histiocytes (CD68) and B lymphocytes (CD20).Results: Immune cell infiltrate was composed of T cells, histiocytes and B-lymphocytes. CD(+)3 T lymphocytes and CD68(+) cells were the predominant cell populations. We observed variations in the density of the immune cells among the normal prostate, benign nodular prostatic hyperplasia and high grade prostatic adenocarcinoma. Compared with normal prostate, benign nodular prostatic hyperplasia had a statistically significant high density of immune cells (3.4 +/- 0.4versus 13.5 +/- 1.0, P