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Poly d lysine coated 12 well plates

Manufactured by BD

Poly-D-lysine coated 12-well plates are a type of laboratory equipment used for cell culture. The plates are coated with the synthetic amino acid polymer poly-D-lysine, which promotes cell adhesion and growth.

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2 protocols using poly d lysine coated 12 well plates

1

Tau and MARK4 Regulation in 293T Cells

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293T cells were cultured at 37 °C in 5% CO2 with Dulbecco’s modification of Eagle’s medium (DMEM) (Gibco/Life Technologies) with 10% fetal bovine serum (FBS) (Gibco/Life Technologies), 100 units/ml penicillin and 100 μg/ml streptomycin (Gibco/Life Technologies). For transfection, cells were plated in poly-D-lysine coated 12-well plates (BD) at 2.2 × 105 cells/well. After 40 h incubation, each well were transfected with 1 μg of plasmid DNA encoding human 4R2N Tau and/or HA tagged human MARK4 (WT or KD) using lipofectamine 2000 (Life Technologies) according to manufacturer’s instruction. 24 h after transfection, cells were treated with AC, MB or OS at indicated final concentrations for 3 h at 37 °C. When MG132 was used to inhibit proteasomes, cells were pretreated with 500 nM MG132 for 1 h at 37 °C followed by drug treatment in the presence of MG132.
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2

Dissociation and Culture of Rat Hippocampal Neurons

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Dissociated hippocampal neurons were prepared from Sprague Dawley rat embryos on E18-E19 (Charles River Labs). Hippocampal tissue was dissected in ice-cold 1× HBSS. Hippocampal tissue was washed 3× with 20 mL of ice-cold HBSS and then digested at 37°C for 10min in 5 mL of HBSS with trypsin (Life Technologies). Hippocampal tissue were then washed 3 times with HBSS and gently triturated in 2 mL of HBSS and plated at 100,000 cells per well in poly-D-lysine-coated 12-well plates (BD Biosciences). Neurons were maintained in Neurobasal media (Life Technologies), supplemented with 1× B27 (Life Technologies), and 1% penicillin/streptomycin at 37°C with 5% CO2 incubation.
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