Abstract:
:The expression level of Mac-1 on the surface of neutrophils is an important indicator of neutrophil activation. Under pathological conditions, Mac-1 is believed a key adhesion molecule that facilitates cancer progression and mediates the adhesion of tumour cells to the endothelium of blood vessels. Our previous findings indicated that circulating peripheral blood neutrophils in patients with advanced epithelial ovarian cancer (EOC) expressed enhanced levels of Mac-1, which was functionally associated with an increased adhesive function of neutrophils. The objective of the current study was to analyse whether the value of individual components of the differential white cell count, including the neutrophil and lymphocyte ratios, which are markers of blood neutrophil activation, might be associated with certain types of ovarian cancer. We showed the increase in Mac-1 expression along with a parallel decrease of L-selectin and PSGL-1 on peripheral blood neutrophils of patients with EOC of early and advanced FIGO stages, which indicates an activated state of neutrophils in comparison to neutrophils of individuals without cancer. Despite a significant difference between Mac-1 expression in patients with and without cancer, a dramatic increase in Mac-1 expression was observed in the blood of patients with undifferentiated carcinomas compared with patients with other histological types of EOC. Moreover, the expression level of Mac-1 correlated with the number of neutrophils in patients with serous, endometrioid and undifferentiated EOC. The results of an ROC analysis demonstrated that the patients with the undifferentiated type of EOC form a distinct group with regard to Mac-1 expression on blood neutrophils. The results suggested a diverse biological cadre of immune cells in patients with undifferentiated ovarian carcinomas compared with patients with other histological types of EOC.
journal_name
Immunobiologyjournal_title
Immunobiologyauthors
Bednarska K,Klink M,Wilczyński JR,Szyłło K,Malinowski A,Sułowska Z,Nowak Mdoi
10.1016/j.imbio.2015.10.003subject
Has Abstractpub_date
2016-02-01 00:00:00pages
323-32issue
2eissn
0171-2985issn
1878-3279pii
S0171-2985(15)30079-6journal_volume
221pub_type
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