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5 protocols using pcdna empty vector

1

Overexpression and Inhibition of miR-107 in PC12 Cells

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miR-107 mimic (miR-107), mimic negative control (miR-NC), miR-107 inhibitor (anti-miR-107), inhibitor negative control (anti-miR-NC), pcDNA-ZNF217 overexpression vector (ZNF217) and pcDNA empty vector were obtained from Genepharma (Shanghai, China). PC12 cells were maintained in 6-well plates to reach 70% confluence and then transfected with 40 nM oligonucleotides or vectors using Lipofectamine 2000 (Invitrogen, Carlsbad, CA, USA). After transfection of 24 h, transfection efficacy was analyzed by quantitative real-time polymerase chain reaction (qRT-PCR) or Western blot.
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2

MicroRNA-381-3p Regulates Neuroinflammation

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The pcDNA empty vector (NC, 5 μg/ml), pcDNA-CCR2 (CCR2, 5 μg/ml), the miRNA control (miR-NC, 50 nM), miR-381-3p mimics (miR-381-3p, 50 nM), the miRNA inhibitor (miR-in, 100 nM), and the miR-381-3p inhibitor (miR-381-3p-in, 100 nM) were supplied by GenePharma Co., Ltd. (Shanghai, China). OGD-elicited BV2 microglia and HT22 hippocampal neurons were seeded into 24-well cell culture plates with a density of 3 × 105 cells/well. Transfection was conducted after they were cultivated in an environment of 37°C and 5% CO2 for 24 hours. The above-mentioned RNAs were transfected into OGD-induced BV2 microglia and HT22 neurons employing Lipofectamine® 3000 (Invitrogen; ThermoFisherScientific, Inc.). qRT-PCR was carried out to determine the efficiency of the transfection [20 (link)]. The cells were incubated under the conditions of 37°C and 5% CO2 for 24 hours in preparation for further analysis.
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3

Regulation of HMGA2 by miR-195

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EC109 and EC9706 cells were seeded in 6-well plates and transfected with miR-195 mimics, miR-control, anti-miR-195, anti-miR-control, pcDNA-HMGA2, pcDNA empty vector, si-HMGA2, or si-control (GenePharma, Shanghai, China) by Lipofectamine™ 2000 (Invitrogen, Carlsbad, CA, USA) following the manufacturer's protocol when the cells were grown to 80% confluency.
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4

Targeting KLF5 and HIF-1α in Cells

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siRNAs specifically against KLF5 (si-KLF5#1 and si-KLF5#2), siRNA scrambled control (si-NC), pcDNA-KLF5, pcDNA-HIF-1α, and pcDNA empty vector (Vector) were purchased from GenePharma (Shanghai, China). Cells were plated in 6-well plates at a density of 2.5 × 105 cells/well and grown to 80% confluence. Subsequently, cell transfection with these oligonucleotides or plasmids was performed using Lipofectamine 2000 (Invitrogen, Carlsbad, CA, USA). At 48 h post-transfection, cells were harvested for further analysis.
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5

LINC01089 Overexpression in HCC Cells

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Human HCC cell lines, Huh-7 and LM3, were purchased from the Cell Bank of Chinese Academy of Sciences (Shanghai, China). Cell lines were cultured in DMEM supplemented with 10% fetal bovine serum (FBS) and kept in a humidified atmosphere at 37 °C with 5% CO2.
The pcDNA empty vector (Vector), pcDNA-LINC01089 overexpression vector (LINC01089), siRNA negative control (si-NC), and siRNAs against LINC01089 (si-LINC01089) were provided by GenePharma (Shanghai, China). Cell transfection was carried out according to the manufacturer’s instructions. After 6 h post-transfection, cells were cultured in fresh complete medium for subsequent experiments.
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