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9 protocols using sybr green qpcr master mix low rox

1

Quantitative Analysis of Chondrocyte Gene Expression

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The primary chondrocytes cultured in vitro were added with 500 μL Trizol solution, and RNA was extracted and reverse transcribed according to the operating instructions of RNeasy Mini Kit (QIAGEN) and All-in-One cDNA Synthesis SuperMix (Bimake). Then, qPCR detection was performed with 2x SYBR Green qPCR Master Mix (Low ROX) (Bimake) reagent. Quantitative analysis was performed using β-actin as a control gene. Table 1 showed the primer sequences of target genes used in the current study.

Primer Sequences for Quantitative RT-PCR

Primer NamePrimer Sequence (5’→3’)
Aggrecan ForwardCAGTGCGATGCAGGCTGGCT
Aggrecan ReverseCCTCCGGCACTCGTTGGCTG
TNFα ForwardCCCTCACACTCAGATCATCTTCT
TNFα ReverseGCTACGACGTGGGCTACAG
Mmp-13 ForwardTTTGAGAACACGGGGAAGA
Mmp-13 ReverseACTTTGTTGCCAATTCCAGG
Col2 ForwardTGGTCCTCT GGGCATCTCAGGC
Col2 ReverseGGTGAACCTGCTGTTGCCCTCA
β-actin ForwardGGAGATTACTGCCCTGGCTCCTA
β-actin ReverseGACTCATCGTACTCCTGCTTGCTG
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2

Quantification of AMOTL2 Gene Expression

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Total RNA from cells was extracted by TRIzol (cat. no. 15596018; Thermo Fisher Scientific, Inc.) and reverse-transcribed using GoTaq® Reverse Transcription system (cat. no. A3500; Promega Corporation), according to the manufacturer's instructions. Moreover, 2X SYBR Green qPCR Master mix (low ROX) was purchased from Bimake, and the reaction conditions used were according to the manufacturer's instructions (denaturation: 95°C for 15 sec; annealing/extension: 60°C for 30–60 sec; 40 cycles). Comparative quantification was performed using the 2−ΔΔCq method with GAPDH as the endogenous control (25 (link)). All primers were synthesized by Beijing Tianyi Huiyuan Bioscience & Technology Inc. The primer sequences used were as follows: GAPDH forward, 5′-GGAGCGAGATCCCTCCAAAAT-3′ and reverse, 5′-GGCTGTTGTCATACTTCTCATGG-3′; AMOTL2 forward, 5′-TGGAGAAGACCATGCGGAAC-3′ and reverse, 5′-CTTCTCTTGCTCCTGCTGCT-3′.
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3

Quantitative Analysis of CTHRC1 Expression in Glioma

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Total RNA was extracted from glioma tissues and cell lines using TRIzol reagent (Thermo Fisher Scientific, USA). Using a reverse transcription kit (Promega, USA), the RNA (3 μg) was reverse transcribed into cDNAs with a reverse transcription system of 20 μL. Quantitative polymerase chain reaction (qPCR) was conducted using 2 × SYBR Green qPCR Master Mix (Low ROX) (Cat #: B21702, Bimake, USA). The reaction mixture volume was 20 μL, including 10 μL of 2 × SYBR Green qPCR Master Mix (Low ROX), 6 μL of nuclease-free water, 0.2 μM of each primer and 2 μL of cDNA products. The PCR cycling conditions were as follows: 95 °C for 3 min, 95 °C for 15 s, and 60 °C for 40 s for 1 cycle and 95 °C for 15 s, 60 °C for 1 min, and 95 °C for 1 s for 40 cycles followed by the melting curve stage. Relative gene expression was obtained using the 2−ΔΔCT method. A t test was used for statistical analyses, and P < 0.05 was considered statistically significant.
The following primer sequences were used:
GAPDH
Forward: 5′-GGTGGTCTCCTCTGACTTCAACA-3′,
Reverse: 5′-GTTGCTGTAGCCAAATTCGTTGT-3’,
CTHRC1
Forward: 5′-GGACCAAGGAAGCCCTGAAAT-3’, and.
Reverse: 5’-AGCAACATCCACTAATCCAGCA-3’.
The relative standard curve method was used to analyze the data, which were normalized to GAPDH.
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4

Quantification of Inflammatory Markers in Bone Tissue

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Lumbar vertebral bone tissue stored in − 80 °C refrigerator was ground into powder form with liquid nitrogen, and then, a portion was added to 1 mL of Trizol solution. The primary chondrocytes cultured in vitro were added to 500μLTrizol solution. Bone tissue RNA was extracted and reverse transcribed according to the operating instructions of RNeasy Mini Kit (QIAGEN) and All-in-One cDNA Synthesis SuperMix (Bimake). The qPCR assay was then performed with 2 × SYBR Green qPCR Master Mix (Low ROX) (Bimake) reagent. And β-actin was used as a control gene for quantitative analysis. The target gene primer sequences were as follows:
Primer namePrimer sequences (5’ → 3’)
IL-1β ForwardGCAACTGTTCCTGAACTCAACT
IL-1β ReverseATCTTTTGGGGTCCGTCAACT
TNFα ForwardCCCTCACACTCAGATCATCTTCT
TNFα ReverseGCTACGACGTGGGCTACAG
Mmp13 ForwardTTTGAGAACACGGGGAAGA
Mmp13 ReverseACTTTGTTGCCAATTCCAGG
Col2 ForwardTGGTCCTCT GGGCATCTCAGGC
Col2 ReverseGGTGAACCTGCTGTTGCCCTCA
RELA ForwardAGGCTTCTGGGCCTTATGTG
RELA ReverseTGCTTCTCTCGCCAGGAATAC
β-actin ForwardGGAGATTACTGCCCTGGCTCCTA
β-actin ReverseGACTCATCGTACTCCTGCTTGCTG
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5

Gene Expression Analysis of BMSCs

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After a culture period of 7 days, the total RNA from the BMSCs seeded on 6-well plates, at a density of 2*10^5 cells per well, was extracted using TRIzol reagent (Invitrogen, 15596018, USA) following the manufacturer’s instructions. The concentration of total RNA was measured using a NanoDrop ND-1000 Spectrophotometer (Thermo Fisher Scientific, USA), and 1000 ng of the extracted RNA was reverse transcribed to cDNA using PrimeScript Master Mix (TaKaRa, RR036A, Japan). For the qRT-PCR reaction, 2× SYBR Green qPCR Master Mix (Low ROX) (Bimake, B21703, China) and Applied Biosystems 7500 Real-Time PCR System (Applied Biosystems, Foster City, CA, USA) were used. Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) was used as the quantitative control for normalization. The 2−DDCt method was used to calculate the relative mRNA levels. The primers used in this study are listed in Table 1.
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6

Fullerenol Modulates Inflammation in Cells

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For inflammation induction and fullerenol treatment, TCs were treated by 50 ng/mL IL-1β combined with aqueous fullerenol. Then, total RNA was extracted using TRIzol reagent (Thermo Scientific, United States). A NanoDrop 1,000 spectrophotometer (Thermo Scientific, United States) was used to evaluate RNA purity and quantification. 1,000 ng of the extracted RNA was reverse transcribed to cDNA using PrimeScript Master Mix (Takara, RR036A, Japan). The qRT-PCR reaction was performed with 2× SYBR Green qPCR Master Mix (Low ROX) (Bimake, B21703, China) and Applied Biosystems 7,500 Real-Time PCR System (Applied Biosystems, Foster City, CA, United States). The relative mRNA levels were calculated with 2−ΔΔCT method. Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) was used as internal control. The primers used in this study are listed in Table 1.
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7

Gene Expression Analysis by qRT-PCR

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Total RNAs were isolated from cell lines or lung tissues using Trizol reagent and then converted to cDNA by using the Hifair® II 1st Strand cDNA Synthesis Kit (gDNA digester plus) (Yeasen, Shanghai, China). Realtime qPCR was performed by using the 2× SYBR Green qPCR Master Mix (Low ROX) (Bimake, Shanghai, China) on the LightCycler® 96 Instrument according to the manufacturer’s guidelines. The relative levels of target genes were normalized to that of GAPDH (an internal control) to calculate the 2−ΔΔCt value. The primers used in the study are listed in Supplementary Table 2.
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8

Quantitative Real-Time PCR Analysis

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Quantitative real‐time PCR was performed using 2×SYBR Green qPCR Master Mix (Low ROX) (Bimake, USA) with an ABI Prism System (Applied Biosystems, Carlsbad, CA). All qRT‐PCRs were performed in triplicate, and the final volume of the reaction was 10 µL. Relative mRNA levels were calculated by the 2−ΔΔCt method with L19 as an internal control. Primer sequences are listed in Table S6 (Supporting Information).
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9

Quantitative PCR Analysis of Gene Expression

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Total RNA was extracted using Tissue RNA Purification Plus Kit Plus (YiShan Biotechnology, China). Total RNA (1 μg) was used to synthesize cDNA by reverse transcription using the HiScript III All-in-one RT SuperMix Perfect for qPCR Kit (Vazyme, China). Quantitative real-time PCR (qPCR) test was conducted with 2× SYBR Green qPCR Master Mix (Low ROX; Bimake, USA) using a real-time PCR Detection System (ABI 7500, Life Technologies, USA). The cycling conditions included a 10-min initial denaturation step at 95 °C followed by 40 cycles of 15 s at 95 °C, 30 s at 60 °C and 30 s at 72 °C. Target gene expression was normalized to that of the housekeeping gene GAPDH. Relative fold difference in expression was calculated using the 2−ΔΔCt method after normalization to GAPDH expression. Primers (Genewiz and Sangon Biotech, China) are shown in Supplementary Data 1. Experiments and quantifications were performed by an independent researcher who was blinded to the group allocation and the stimulation conditions.
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