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2-aminoethyl Dihydrog.n Phosphate as a Modulator of Proliferative and Apoptotic Effects in Breast Cancer Cell Lines

Journal of Pharmacy and Pharmacology 2021年第3期9卷 83-97页

作者： Manuela garcia Laveli da Silva Laertty garcia de Sousa Cabral monique g.nçalves.alves.thais.deoliveira conceição Henrique Hesse Rosa Andrea nogueira Laiso Daniel da conceição Rabelo Durvanei Augusto Maria Development and Innovation Laboratory Butantan InstituteSao PauloSP 05503-900Brazil Faculty of Medicine University of São PauloSao PauloSP 01246-000Brazil

Background: Breast cancer is a type of cancer that affects more women throughout the world, in developing anddeveloped countries. 2-AEH2P is a phospholipid analog of cellular membrane, which makes it different from existing molecules fortheir absorption, stability and display anti-inflammatory, anti-proliferative and pro-apoptotic properties. Methods: MCF-7 humanbreast adenocarcinoma cells were treated with 2-AEH2P. The viability and adhesion cells were evaluated by MTT assay. Cell cyclephases, apoptosis, markers and mitochondrial potential were assessed by flow cytometry. Morphological ultrastructural analyzeswere performed by laser confocal microscopy. Results: MCF-7 Tumor cells acquired round shapes, lost cytoplasmic expansions,formed clusters in suspension and decreased significantly viability. There were changes in the morphology, membrane fragmentationand loss of cytoplasmic projection. The obtained concentrations for IC50% were 37.2;25.8;1.8 mM for periods of 24, 48 and 72 h,respectively. Changes in the distribution of cell population phases of the cell cycle showed an increase in fragmented DnA and anincrease in the g2/M phase. The expression β-gal showed proliferative reduction induced by 2-AEH2P. Laser confocal microscopyshowed changes in the mitochondrial membrane and alteration in distribution. Proliferative index of MCF-7 tumor cells treated with2-AEH2P decreased significantly when compared to fibroblast normal cells. The compound 2-AEH2P is a phospholipid withantiproliferative potential and apoptosis modulator.

关键词： Human Breast Adenocarcinoma MCF-7 2-AEH2P Antitumor Apoptosis Cell cycle Senescence

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