1994
DOI: 10.3109/15419069409004441
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Depressed Immune Surveillance Against Cancer: Role of Deficient T Cell: Extracellular Matrix Interactions

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Cited by 15 publications
(5 citation statements)
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“…T cells for proliferation and adhesion tests were purified as described previously [30, 31] and were > 95% pure. Proliferative responses to coimmobilized OKT3 antibody and ECM proteins, and adhesion to ECM proteins following short‐term stimulation with phytohaemagglutinin (PHA) were assessed as reported previously [30, 31]. The results were expressed, respectively, as the arithmetic means of [ 3 H]thymidine (cpm) incorporated by triplicate cell cultures and optical density units of crystal violet bound by adhering cells.…”
Section: Methodsmentioning
confidence: 99%
“…T cells for proliferation and adhesion tests were purified as described previously [30, 31] and were > 95% pure. Proliferative responses to coimmobilized OKT3 antibody and ECM proteins, and adhesion to ECM proteins following short‐term stimulation with phytohaemagglutinin (PHA) were assessed as reported previously [30, 31]. The results were expressed, respectively, as the arithmetic means of [ 3 H]thymidine (cpm) incorporated by triplicate cell cultures and optical density units of crystal violet bound by adhering cells.…”
Section: Methodsmentioning
confidence: 99%
“…12 In our hands, stimulation with PHA offers more reproducible and reliable measure of T cell adhesion in comparison with stimulation with PMA. 16 Phorbol esters in 6itro induce a rapid b1 integrin-mediated T cell adhesion to fibronectin and this T cell adhesion is regulated by the activation of protein kinase C, since phytohemaglutinin as a mitogen promote multipoint, also integrin-mediated T cell activation involving tyrosine phosphorylation of focal adhesion kinase. 17,18 Therefore, PHA-activated T cell adhesion to ECM may be more appropriate to mimic placental T cell activation in 6i6o.…”
Section: Discussionmentioning
confidence: 99%
“…Those severe functional deficits of T-cell-ECM interactions could not be explained by phenotypic deficiencies of T-cell integrin and nonintegrin receptors for ECM proteins. Those novel findings point to the possible role of deficient T-cell-ECM interactions in the disturbances of immune surveillance in patients with cancer (20).…”
Section: Abnormalities Of T-cell-ecm Protein Interactions and Diseasesmentioning
confidence: 90%