RESUMEN
We evaluated cytotoxic activity of peripheral blood NK cells towards trophoblast cells. NK cells either isolated or in the composition of mononuclear cell fraction, caused death of trophoblast cells. In women with physiological pregnancy, the cytotoxic effect of NK cells present in mononuclear cell fraction preincubated with IL-2 was lower than in nonpregnant women, who had never been pregnant previously, and in fertile women. Cytotoxic activity of isolated NK cells preincubated with IL-2 in fertile women was lower than in nonpregnant women, who had never been pregnant previously.
Asunto(s)
Células Asesinas Naturales/citología , Trofoblastos/citología , Adulto , Proliferación Celular/fisiología , Femenino , Humanos , Interleucina-2/metabolismo , Células Asesinas Naturales/metabolismo , Leucocitos Mononucleares/citología , Leucocitos Mononucleares/metabolismo , Embarazo , Trofoblastos/metabolismo , Adulto JovenRESUMEN
We studied the effects of secretory products of the placenta obtained from women with normal pregnancy and preeclampsia on the expression of surface markers by THP-1 cells cultured on a 3D Matrigel scaffold. Secretory products of third trimester placentas obtained from women with normal pregnancy reduced the relative number of THP-1 cells expressing CD54 and CD14 molecules and expression of CD14 and CD95 molecules by THP-1 cells in comparison with the effect of secretory products first trimester placentas. In parallel, the intensity of CD49d expression by THP-1 cells increased in the presence of secretory products of third trimester placentas in comparison with the first trimester. No differences in the expression of the studied molecules by THP-1 cells under the effect of placentas from women with physiological pregnancy and patients with preeclampsia were found.