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8 protocols using mesa fast qpcr

1

Quantitative Gene Expression Analysis in Mouse Tissues

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Total RNA was isolated using TRI reagent (Sigma). Quantification and integrity analysis of total RNA was performed by running 1 μl of each sample on an Agilent 2100 Bioanalyzer (Agilent RNA 6000 Nano Kit, Agilent). RNA was purified using an RNeasy Mini Kit (Qiagen) and reverse transcribed using a high-capacity cDNA reverse transcription kit (Life technologies). Gene expression of POMC, NPY, AgRP, Pax4, Pax6, Foxa1, and Foxa2 was quantified using 7900HT Fast Real-Time PCR System and TaqMan fluorogenic detection system (Applied Biosystems). Validated primers were purchased from Applied Biosystems. Comparative real-time PCR was performed in triplicate and data was analyzed according to the 2−ΔCT method normalized to 18S.
Real-time PCRs of ZO1 and Occludin were performed with the StepOnePlus™ real-time PCR system and software (Applied Biosystems) using Mesa Fast qPCR™ (Eurogentec) for detection according to the manufacturer's instructions. RPL19 RNA was chosen as the housekeeping gene. All samples were run in duplicate and data were analyzed according to the 2−ΔCT method. The identity and purity of the amplified product was checked through analysis of the melting curve carried out at the end of amplification. Primer sequences for the targeted mouse genes are presented.
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2

Quantitative Real-Time PCR Analysis of Gene Expression

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Total RNA was prepared from tissues using TriPure reagent (Roche). Quantification and integrity analysis of total RNA were performed by analysing 1 μl of each sample in an Agilent 2100 Bioanalyzer (Agilent RNA 6000 Nano Kit, Agilent). cDNA was prepared by reverse transcription of 1 μg total RNA using a Reverse Transcription System kit (Promega, Leiden, The Netherlands). Real-time PCR was performed with the StepOnePlus™ real-time PCR system and software (Applied Biosystems, Den Ijssel, The Netherlands) using Mesa Fast qPCR™ (Eurogentec, Seraing, Belgium) for detection according to the manufacturer’s instructions. RPL19 RNA was chosen as the housekeeping gene. All samples were performed in duplicate in a single 96-well reaction plate, and data were analysed according to the 2−ΔΔCT method. The identity and purity of the amplified product was assessed by melting curve analysis at the end of amplification. The primer sequences for the targeted mouse genes are presented in Supplementary Table 4.
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3

Quantitative Gene Expression Analysis via RT-qPCR

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Total RNA was prepared from tissues using TriPure reagent (Roche). Quantification and integrity analysis of total RNA were performed by analyzing 1 μl of each sample in an Agilent 2100 Bioanalyzer (Agilent RNA 6000 Nano Kit, Agilent, Santa Clara, California, USA). cDNA was prepared by reverse transcription of 1 μg total RNA using a Reverse Transcription System kit (Promega, Madison, Wisconsin, USA). Real-time PCR was performed with the CFX96 real-time PCR system and CFX Manager 3.1 software (Bio-Rad, Hercules, California, USA) using Mesa Fast qPCR (Eurogentec, Liège, Belgium) for detection according to the manufacturer’s instructions. Rpl19 RNA was chosen as the housekeeping gene. All samples were performed in duplicate, and data were analyzed according to the 2−ΔΔCT method. The identity and purity of the amplified product were assessed by melting curve analysis at the end of amplification. The primer sequences for the targeted mouse genes are presented in Supplementary Table 3.
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4

RNA Extraction and Real-time PCR Analysis

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Total RNA was prepared from tissues using TriPure reagent (Roche). Quantification and integrity analysis of total RNA were performed by analysing 1 μl of each sample in an Agilent 2100 Bioanalyzer (Agilent RNA 6000 Nano Kit, Agilent). cDNA was prepared by reverse transcription of 1 μg total RNA using a Reverse Transcription System kit (Promega, Leiden, The Netherlands). Real-time PCR was performed with the StepOnePlus™ real-time PCR system and software (Applied Biosystems, Den Ijssel, The Netherlands) using Mesa Fast qPCR™ (Eurogentec, Seraing, Belgium) for detection according to the manufacturer’s instructions. RPL19 RNA was chosen as the housekeeping gene. All samples were performed in duplicate in a single 96-well reaction plate, and data were analysed according to the 2-ΔCT method. The identity and purity of the amplified product was assessed by melting curve analysis at the end of amplification. The primer sequences for the targeted mouse genes are presented in Supplementary Table S4.
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5

Quantitative Real-Time PCR for Gene Expression

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Total RNA was prepared from tissues using TriPure reagent (Roche). Quantification and integrity analysis of total RNA were performed by analysing 1 μl of each sample in an Agilent 2100 Bioanalyzer (Agilent RNA 6000 Nano Kit, Agilent). cDNA was prepared by reverse transcription of 1 μg total RNA using a Reverse Transcription System kit (Promega). Real-time PCR was performed with the StepOnePlus real-time PCR system and software (Applied Biosystems) using Mesa Fast qPCR (Eurogentec) for detection according to the manufacturer’s instructions. RPL19 RNA was chosen as the housekeeping gene. All samples were performed in duplicate in a single 96-well reaction plate, and data were analysed according to the 2−ΔΔCT method. The identity and purity of the amplified product were assessed by melting curve analysis at the end of amplification. The primer sequences for the targeted mouse genes are presented in Supplementary Table 4.
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6

Quantitative Real-Time PCR Protocol

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Total RNA was prepared from tissues using TriPure reagent (Roche Diagnostics, Mannheim, Germany). Quantification and integrity analysis of total RNA were performed by analysing 1 μl of each sample in an Agilent 2100 Bioanalyzer (Agilent RNA 6000 Nano Kit; Agilent, Waghaeusel-Wiesental, Belgium). cDNA was prepared by reverse transcription of 1 μg total RNA using a Reverse Transcription System kit (Promega, Leiden, The Netherlands). Real-time PCR was performed with the StepOnePlus real-time PCR system and software (Applied Biosystems, Den Ijssel, The Netherlands) using Mesa Fast qPCR (Eurogentec, Seraing, Belgium) for detection according to the manufacturer's instructions. RPL19 RNA was chosen as the housekeeping gene. All samples were performed in duplicate in a single 96-well reaction plate, and data were analysed according to the 2−ΔCT method. The identity and purity of the amplified product was assessed by melting curve analysis at the end of amplification. The primer sequences for the targeted mouse genes are presented in Supplementary Table S4.
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7

Quantifying Yeast and Saccharomyces in Cecal Content

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Yeast cells were quantified using the primers YEASTF (5′ GAGTCGAGTTGTTTGGGAATGC 3′) and YEASTR (5′ TCTCTTTCCAAAGTTCTTTTCATCTTT 3′) following the method described by Hierro et al. (64 (link)). Saccharomyces was quantified using primers SC1 (5′ GAAAACTCCACAGTGTGTTG 3′) and SC2 (5′ GCTTAAGTGCGCGGTCTTG 3′) according to the method described by Zott et al. (65 (link)). Detection was achieved with the StepOnePlus real-time PCR system and software (Applied Biosystems) and Mesa Fast qPCR (Eurogentec) according to the manufacturer’s instructions. Each assay was performed in duplicate in the same run. The cycle threshold (CT) of each sample was then compared with a standard curve (performed in triplicate) made by diluting genomic DNA (5-fold serial dilution) extracted from a pure culture of S. boulardii (Biocodex). The data are expressed as the log10 of bacteria per g of cecal content.
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8

Quantitative RT-PCR Analysis of Mouse Genes

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Total RNA was prepared from tissues using TriPure reagent (Roche). Quantification and integrity analysis of total RNA were performed by analyzing 1 l of each sample in an Agilent 2100 Bioanalyzer (Agilent RNA 6000 Nano Kit, Agilent, Santa Clara, CA). cDNA was prepared by reverse transcription of 1 g total RNA using a reverse transcription system kit (Promega, Madison, WI). Real-time PCR was performed with the CFX96 real-time PCR system and CFX Manager 3.1 software (Bio-Rad, Hercules, CA) using Mesa Fast qPCR (Eurogentec, Liège, Belgium) for detection, according to the manufacturer's instructions. RPL19 was chosen as the housekeeping gene. All samples were performed in duplicate, and data were analyzed according to the 2 Ϫ⌬⌬CT method. The identity and purity of the amplified product were assessed by melting curve analysis at the end of amplification. The primer sequences for the targeted mouse genes are presented in Table 1.
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