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26 protocols using platinum sybr green qpcr kit

1

Quantitative PCR Analysis of Liver mRNA

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Total RNA was isolated from 50 mg of liver tissue with TRIzol reagent, following the manufacturer's protocol. The RNA was reverse transcribed into cDNA using the SuperScript III First-Strand Synthesis System (Invitrogen, Carlsbad, CA, USA). Quantitative-PCR was performed using the DNA Engine with Chromo 4 Detector (MJ Research, Waltham, MA, USA). The reactions were set up in 20 μl total volumes with 1× SuperMix (Platinum SYBR Green qPCR Kit; Invitrogen), cDNA (2 μl) and 0.5 μM of each primer. The PCR cycle was as follows: 50°C for 2 min and 95°C for 5 min, followed by 50 cycles of 95°C for 15 s and 60°C for 30 s. The relative mRNA levels were normalized to the level of hypoxanthine-guanine phosphoribosyltransferase (HPRT) and calculated by using the 2−ΔΔCt method. All samples were run in duplicate to ensure amplification integrity.
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2

Quantitative RT-PCR Analysis of Mouse Genes

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Total RNA (2μg) was reverse-transcribed into cDNA using SuperScriptTM III First-Strand Synthesis System (Invitrogen, Carlsbad, CA). Quantitative-PCR was performed using the DNA Engine with Chromo 4 Detector (MJ Research, Waltham, MA). In a final reaction volume of 20 μl, the following were added: 1xSuperMix (Platinum SYBR Green qPCR Kit, Invitrogen, Carlsbad, CA), cDNA and 0.5 mM of each primer. Amplification conditions were: 50°C (2 min), 95°C (5 min) followed by 50 cycles of 95 °C (15 s), 60 °C (30 s). Primers used to amplify a specific mouse gene fragments are the same as described previously (53 (link)).
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3

Quantitative RT-PCR Protocol for Gene Expression

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RNA (1 μg), purified using an RNeasy Mini Kit (QIAGEN) was used to synthesize cDNA using SuperScript First-Strand Synthesis System (Invitrogen). Approximately 1/60 of the cDNA was amplified using a Platinum SYBR Green QPCR kit (Invitrogen) under the following conditions: 50°C for 2 min, then 95°C for 2 min followed by 40 cycles of 95°C for 15 s, then 60°C for 30 s, with a final cycle consisting of 95°C for 1 min, 60°C for 30 s, and 95°C for 15 s. Primer sequences are in Table S4.
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4

Quantitative RT-PCR Gene Expression Analysis

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Total RNA (2.5 μg) was reverse-transcribed into cDNA using SuperScriptTM III System (Invitrogen, Carlsbad, CA). Quantitative-PCR was performed using SuperMix (Platinum SYBR Green qPCR Kit, Invitrogen, Carlsbad, CA) in the DNA Engine with Chromo 4 Detector (MJ Research, Waltham, MA) as described previously (20 (link)). We used the comparative CT method (21 (link)) to quantitate gene expression levels, and target gene expressions were normalized using the HPRT gene expression level of the same samples.
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5

Quantitative Real-Time PCR Protocol

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Quantitative real-time PCR was performed using the DNA Engine with Chromo 4 Detector (MJ Research, Waltham, MA). In a final reaction volume of 25 μl, the following were added: 1× SuperMix (Platinum SYBR Green qPCR Kit; Invitrogen, San Diego, CA) cDNA and 10 μM of each primer. Amplification conditions were: 50 °C (2 min), 95 °C (5 min), followed by 40 cycles of 95 °C (15 s) and 60 °C (30 s). Primer sequences used for the amplification were shown in Supplementary Table 1.
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6

Quantitative Real-Time PCR Analysis of Inflammatory Markers

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The RT-PCR was performed as described [18 (link)]. Total RNA was purified from liver tissue or cell cultures using RNeasy Mini Kit (Qiagen, Chatsworth, CA) according to the manufacturer’s instructions. Quantitative real-time PCR was carried out using the QuantStudio 3 (Applied Biosystems by ThermoFisher Scientific). The following were added in the final reaction volume of 25 μl: 1 × SuperMix (Platinum SYBR Green qPCR Kit; Invitrogen) cDNA and 10 μM of each primer. Amplification conditions were: 50 °C (2 min), 95 °C (5 min), followed by 40 cycles of 95 °C (15 s) and 60 °C (30 s). Primer sequences used to amplify TNF-α, IL-1β, CCL-2, and CXCL-10 were shown in Additional file 2: Table S1.
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7

Quantitative Real-Time PCR for Gene Expression

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The total RNA (2.5 μg) was reverse-transcribed into cDNA using the SuperScript III System (Invitrogen, CA). Quantitative real-time PCR was performed using a Platinum SYBR Green qPCR Kit (Invitrogen). The amplification conditions were 50°C (2min), 95°C (5min), followed by 40 cycles of 95°C (15sec) and 60°C (30sec). Primer sequences used for the amplification were shown in Supplementary Table 1.
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8

Quantitative PCR Analysis of Immune and Endothelial Markers

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Total RNA (2.0μg) was reverse-transcribed into cDNA using SuperScriptTM III First-Strand Synthesis System (Invitrogen, Carlsbad, CA). Quantitative-PCR was performed using the DNA Engine with Chromo 4 Detector (MJ Research, Waltham, MA). In a final reaction volume of 20 μl, the following were added: 1xSuperMix (Platinum SYBR Green qPCR Kit, Invitrogen, Carlsbad, CA), cDNA and 0.5 mM of each primer. Amplification conditions were: 50°C (2 min), 95°C (5 min) followed by 50 cycles of 95 °C (15 s), 60 °C (30 s). The primers for mouse gene fragments, including TNF-a, IL-1b, IL-6, IL-10, IL-12p40 were as described previously (18 (link)). Additional primers to study LSECs are the followings: von Willebrand factor (vWF) F: GGGTTTTCTCTCCCTGGCTC; R: ACAGAGCCACAAAGGA CTCG; CD31 F:CAAGGCCAAACAGAAACCCG; R:TCGACCTTCCGGATCTCACT; vascular cell adhesion molecule 1 (VCAM-1) F:CTGGGAAGCTGGAACGAAGT; R:GCCAAACACTTGACCGTGAC.
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9

Quantitative Real-Time PCR Analysis of Liver mRNA

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Total RNA was isolated from liver tissues using TRIzol® reagent (Invitrogen; Thermo Fisher Scientific, Inc.) according to the manufacturer's protocol. RT of RNA (2.5 µg) into cDNA was performed using a SuperScript III first-strand synthesis system according to the manufacturer's protocol (Invitrogen; Thermo Fisher Scientific, Inc.). A DNA Engine with a Chromo 4 detector (MJ Research, Inc.; Bio-Rad Laboratories, Inc.) was used for qPCR. The final reaction volume was 20 µl and consisted of 1X super mix (Platinum SYBR-Green qPCR kit; Invitrogen; Thermo Fisher Scientific, Inc.), 2 µl cDNA and 0.5 µl each primer. The amplification conditions were as follows: Initial denaturation at 50°C (2 min), 95°C (5 min), followed by 50 cycles of 95°C (15 sec) and 60°C (30 sec). The mRNA expression levels were calculated using the 2−ΔΔCq method (24 (link)). The sequences of the PCR primers used are listed in Table I and were produced by Sangon Biotech, Co., Ltd.
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10

Quantitative RT-PCR of Mouse Genes

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Total RNA (2μg) was reverse-transcribed into cDNA using a SuperScript III First-Strand Synthesis System (Invitrogen, Carlsbad, CA). Quantitative PCR was performed using DNA Engine with 4 Detector (MJ Research, Waltham, MA). In a final reaction volume of 20 μl, the following were added: 1× SuperMix (Platinum SYBR Green qPCR Kit, Invitrogen), cDNA, and 0.5 mM of each primer. Amplification conditions were 50 °C for 2 min and 95 °C for 5 min, followed by 50 cycles of 95 °C for 15s and then 60 °C for 30s. Primers used to amplify specific mouse gene fragments were the same as described previously (31 (link)).
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