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Stepone plus quantitative real time pcr detection system

Manufactured by Thermo Fisher Scientific

The StepOne Plus™ quantitative Real Time PCR Detection System is a compact, flexible instrument designed for real-time PCR analysis. It enables precise gene expression analysis and quantification of nucleic acid samples.

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3 protocols using stepone plus quantitative real time pcr detection system

1

Cartilage-specific Gene Expression Analysis

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To determine the cartilage-specific genes expression, RNA extraction (three samples per group) was done using TRIzol reagents (Invitrogen). In the following, RNA was reverse transcribed using Revert Aid First Strand cDNA Synthesis Kit (Fermentase) with oligo (dT) primers, and then real-time polymerase chain reaction (PCR) was performed using SYBR Green PCR Master Mix (Fermentase) and the Step One Plus™ quantitative real-time PCR detection system (Applied Biosystems). Primers were designed for each gene using the Allele ID software (Primer Biosoft), which generated the following sequences: Collagen II (Forward: CTGGTGATGATGGTGAAG, Reverse: CCTGGATAACCTCTGTGA), collagen X (Forward: AGAATCCATCTGAGAATATGC, Reverse: CCTCTTACTGCTATACCTTTAC), SOX9 (Forward: TTCAGCAGCCAATAAGTG, Reverse: GTGGAATGTCTTGAAGGTTA), aggrecan (Forward: GTGGGACTGAAGTTCTTG, Reverse: GTTGTCATGGTCTGAAGTT). In addition, GAPDH primer was used as an internal control within these sequences: Forward: AAGCTCATTTCCTGGTATG, Reverse: CTTCTTCTTGTGCTCTTG.
Finally, all data were analyzed using one-way analysis of variance (ANOVA). In addition, Data are presented as mean ± standard error of the mean and P ≤ 0.05 was considered to be statistically significant.
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2

Profiling Neuronal and Glial Markers in Rat Sciatic Nerve

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The level of S100, MBP, GFAP and Nestin expression in the rat sciatic nerve tissue were assessed using real time RT-PCR. Total RNA was isolated using the Total RNA Prep Kit (BIOFACT). RNA was reverse transcribed using the BioFact™ 5X RT Pre-Mix cDNA Synthesis Kit (BIOFACT) according to the manufacturer’s protocol. The expression of target genes was evaluated using BioFact™ 2X Real-Time PCR Master Mix Kit (BIOFACT) through StepOne Plus™ quantitative Real Time PCR Detection System (Applied Biosystems). The level of β-actin was used as the control housekeeping gene. Table 2 lists the sequence of the used primers (metabion, Germany) [23 (link)].

The list of primer sequences of S100; Schwann cell marker, Nestin; Marker of neuronal progenitor cells, Gfap; Glial fibrillary acidic protein, Mbp; Myelin basic protein, β-actin; As the control housekeeping gene for Real time RT-PCR analysis

GenePrimer (forward (top) reverse (bottom))
S1005′-ATAGCACCTCCGTTGGACAG-3′
5′-TCGTTTGCACAGAGGACAAG-3′
Nestin5′-CCGGGTCAAGACGCTAGAAGA-3′
5′-CTCCAGCTCTTCCGCAAGGTTGT-3′
Gfap5′-CTCCTATGCCTCCTCCGAGACGAT-3′
5′-GCTCGCTGGCCCGAGTCTCTT-3′
Mbp5′-CACAGAAGAGACCCTCACAGCGAC-3′
5′-CCGCTAAAGAAGCGCCCGATGGA-3′
β-actin5′-GTTGTCGACGACGAGCG-3′
5′-GCACAGAGCCTCGCCTT-3′
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3

Quantitative Analysis of Sciatic Nerve Markers

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The level of S100, MBP, GFAP and Nestin expression in the rat sciatic nerve tissue in were assessed using real time RT-PCR. Total RNA was isolated using the Total RNA Prep Kit (BIOFACT). RNA was reverse transcribed using the BioFact™ 5X RT Pre-Mix cDNA Synthesis Kit (BIOFACT) according to the manufacturer's protocol.
The real-time PCR was performed using BioFact™ 2X Real-Time PCR Master Mix Kit (BIOFACT) and the StepOne Plus™ quantitative Real Time PCR Detection System (Applied Biosystems). The level of β-actin was used as the control housekeeping gene. Table 1 lists the sequence of the used primers (metabion, Germany) [23] (link).
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