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Taqman fast reagents

Manufactured by Thermo Fisher Scientific
Sourced in United States

Taqman Fast Reagents are a set of reagents designed for use in real-time PCR (polymerase chain reaction) assays. These reagents are optimized for fast thermal cycling protocols, enabling rapid and efficient amplification of target DNA sequences.

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5 protocols using taqman fast reagents

1

Quantifying HCV Viral Load by RT-PCR

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rt‐PCR was performed with the TaqMan fast 7500 system using TaqMan fast reagents (Thermo Fisher Scientific). An rt‐PCR targeting the 5′ UTR was used to quantify the HCV viral load21 using a dilution series prepared from known concentrations of JFH‐1 replicon transcripts. Genotype‐specific rt‐PCR was performed using newly designed primers and probes targeting the NS5B region (Table 1).
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2

Intestinal mRNA Extraction and Analysis

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For mRNA extraction, intestinal samples from jejunum and colon were homogenized in TRIzol (Invitrogen, Carlsbad, CA) and isolated according to manufacturer’s protocols. mRNA quality and concentrations were determined using a NanoDrop 2000 spectrophotometer (Thermo Scientific, Waltham, MA). Complementary DNA was generated using the AMV reverse transcription system (Promega, Madison, MI) following manufacturer’s protocols. Expression of inflammatory, metabolic, and gut health markers were determined via quantitative qPCR utilizing Taqman fast reagents (Thermo Scientific, Waltham, MA) in an CFX96 Real-Time PCR system (Bio-Rad, Hercules, CA). β-actin was used as the housekeeping gene for jejunum and 18S was used as the housekeeping gene for colon. Differences in gene expression were calculated using ΔΔCt relative quantification compared to control animals.
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3

Mouse Tissue RNA Expression Analysis

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RNA was isolated from various mouse tissues (30 mg), homogenized, and then extracted using EZNA Total RNA Kit extraction kit (Omega Bio‐tek, Norcross, GA). The complementary DNA was generated from 2 μg of RNA using qScript XLT cDNA Supermix (Quantabio, Beverly, MA). Real‐time reverse transcriptase polymerase chain reaction was performed with TaqMan probes (Thermo Fisher Scientific, Waltham, MA) and TaqMan Fast reagents. Reactions were carried out in triplicate and normalized to glyceraldehyde 3‐phosphate dehydrogenase.
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4

Hepatic mRNA Expression Analysis

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Liver samples were homogenized in TRIzol (Invitrogen, Carlsbad, CA) and mRNA was extracted according to manufacturer’s instructions. Quality and concentrations were quantitated using a NanoDrop 2000 spectrophotometer (Thermo Scientific, Waltham, MA) as conducted in previous studies (Petriello, 2018 (link); Petriello et al., 2018 (link); Wahlang et al., 2017a (link)). Complimentary DNA was generated utilizing qScript cDNA SuperMix with genomic DNA wipeout (Quantabio, Beverly, MA). Gene expression was determined via qPCR utilizing Taqman fast reagents (Thermo Scientific, Waltham, MA) in a CFX96 Real-Time PCR system (Bio-Rad, Hercules, CA). The Taqman primers used were Tnfa (Mm00443258_m1), Lbp (Mm00493139_m1), Tlr4 (Mm00445273_m1), Mrp2 (Mm00445273_m1), Pklr (Mm00443090_m1), Gck (Mm00439129_m1), Pck1 (Mm00439129_m1), G6pc (Mm00839363_m1) 18S was used as the housekeeping gene after determination that expression values varied fairly tightly in line with Actb measures and based on previous validated use in a similar animal model (Petriello et al., 2016 (link)). The ΔΔCt relative quantification method was used to calculate fold differences in gene expression.
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5

Isolation and Quantification of Cardiac and Renal RNA

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RNA was isolated from adult or neonatal wild-type hearts and kidneys (30 mg) as well as from cardiomyocyte cells isolated from wild-type and MATE1-deficient mice. Tissues and cardiomyocytes were homogenized and then RNA was extracted using an EZNA Total RNA Kit extraction kit (Cat# R6834-02, Omega Bio-tek, Norcross, GA, USA). cDNA was generated from 2 μg of RNA using qScript XLT cDNA Supermix (Cat# 95161-100, Quantabio, Beverly, MA, USA). Real-time reverse transcriptase PCR (RT-PCR) was performed with TaqMan primer (Mm00840361_m1, Thermo Fisher Scientific, Waltham, MA, USA) and TaqMan Fast reagents. Reactions were carried out in triplicate, and normalized to Gapdh (Mm99999915_g1, Thermo Fisher Scientific, Waltham, MA, USA).
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