Argentina
| info:eu-repo/semantics/article
δ-Aminolevulinic acid transport in murine mammary adenocarcinoma cells is mediated by beta transporters
Fecha
2002-08Registro en:
Bermudez Moretti, Mariana; Correa Garcia, Susana Raquel; Perotti, Cristian; Batlle, Alcira María del C.; Casas, Adriana Gabriela; δ-Aminolevulinic acid transport in murine mammary adenocarcinoma cells is mediated by beta transporters; Nature Publishing Group; British Journal Of Cancer; 87; 4; 8-2002; 471-474
0007-0920
CONICET Digital
CONICET
Autor
Bermudez Moretti, Mariana
Correa Garcia, Susana Raquel
Perotti, Cristian
Batlle, Alcira María del C.
Casas, Adriana Gabriela
Resumen
Delta-aminolevulinic acid, the precursor of porphyrin biosynthesis has been used to induce the endogenous synthesis of the photosensitiser protoporphyrin IX for photodynamic therapy in the treatment of various tumours. The aim of this work was to characterise the delta-aminolevulinic acid transport system in the murine mammary adenocarcinoma cell line LM3 using (14)C-delta-aminolevulinic acid, to finally improve delta-aminolevulinic acid incorporation in mammalian cells. Our results showed that delta-aminolevulinic acid is incorporated into these cells by two different mechanisms, passive diffusion which is important at the beginning of the incubation, and active transport. Specificity assays suggested that the transporter involved in delta-aminolevulinic acid incorporation is a BETA transporter, probably GAT-2.