ICAM-1 expression on immune cells in chronic villitis
ICAM-1 expression on immune cells in chronic villitis
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DOI:
10.1016/j.placenta.2014.10.004
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发表时间:
2014-12-01
期刊:
影响因子:
3.8
通讯作者:
Altemani, A. M.
中科院分区:
文献类型:
--
作者:
Egal, E. S. A.;Mariano, F. V.;Altemani, A. M.
Introduction: ICAM-1 expression on the villous syncytiotrophoblast (ST) is believed to participate in migration of maternal cells into the inflamed villi regardless of villitis etiology. However, its expression on immune cells in chronic villitis (CV) has yet to be analyzed. ICAM-1 induces cell cell adhesion allowing intercellular communication, T cell-mediated defense mechanism, and inflammatory response.Material and methods: 21 cases of CV (all without an identifiable etiologic agent) and 3 control placentas were analyzed using ICAM-1, and for immune cells CD45, CD3 and CD68. These cells were subdivided according to their location in inflamed villi: a) within the inflamed villi and b) outside forming perivillous aggregates.Results: Large amounts of CD45, CD3 and CD68 were found within the inflamed villi and forming perivillous aggregates attached to areas of trophoblastic loss. Inflamed villi usually showed ICAM-1+ ST. The majority of immune cells surrounding areas of trophoblastic rupture presented marked expression of ICAM-1. In contrast, a small number of immune cells within the inflamed villi exhibited ICAM-1 expression. Only some (