Quantitative gene expression analysis in a brain slice model: influence of temperature and incubation media |
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Authors: | Dos-Anjos Severiano Martínez-Villayandre Beatriz Montori Sheyla Salas Alberto Pérez-García Carlos César Fernández-López Arsenio |
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Institution: | a Área de Biología Celular, Dpt. Biología Molecular. Instituto de Biomedicina. Universidad de León. 24071. León. Spain b Área de Bioquímica. Dpt. Biología Molecular. Instituto de Biomedicina. Universidad de León. 24071. León. Spain c Dpt. de Medicina, Cirugía y Anatomía Veterinaria, Universidad de León, 24071 León, Spain |
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Abstract: | We describe the RNA integrity (28S/18S ratio) and the messenger RNA (mRNA) expression of genes encoding glyceraldehyde 3-phosphate dehydrogenase (GAPDH), microtubule-associated serine/threonine kinase 2 (Mast2), and β-actin in cortical brain slices incubated for up to 24 h in Ringer’s solution and Dulbecco’s modified Eagle’s medium (DMEM) at 25 and 37 °C. Our data reveal an optimal temporal working window between 1 and 6 h when slices are incubated in Ringer’s solution at 25 °C that allows experiments related to gene expression dynamics to be performed more suitably than those carried out at 37 °C. In addition, we show that reference gene expression may be modified in dynamic experiments and may compromise studies of gene expression. |
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