Pleiotropic effects of positively charged liposomes on immune functions |
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Authors: | Hélène-Marie Thérien Julian Gruda |
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Affiliation: | (1) Départment Chimie-Biologie, Université du Québec à Trois-Rivière, C.P. 500 Trois-Rivières, Québec, G9A 5H7, Canada |
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Abstract: | Summary Positively charged liposomes have been shown to inhibit the proliferation of lymphocytes induced by various polyclonal activators. We demonstrated that this inhibition is essentially restricted to early phases of activation. B cell proliferation, induction of suppressor cells, and cytotoxic activities are all profoundly inhibited, whereas T4+ cells response to mitogenic stimulation is only moderately affected. The results are discussed in terms of membrane perturbations potentially induced by liposome-lymphocyte interactions. This work has been supported by grants from the National Sciences and Engineering Council of Canada. |
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Keywords: | liposome lymphocyte proliferation suppression cytotoxicity |
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