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10 protocols using sybr green pcr master mix

1

Quantitative Analysis of NEAT1, miR-370-3p, and Irak2 Expression

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Total RNA was extracted using the TRIzol reagent (Beyotime). Then RNA was reversely transcribed to complementary DNA (cDNA) by PrimeScript™ RT Master Mix kit (Beyotime). The qRT-PCR was conducted by SYBR Green PCR Master Mix (Beyotime) and data were analyzed using 2−ΔΔCt method. β-actin and U6 were introduced as the inner references. Primers used in this study:
NEAT1 (forward 5′-GTAATTTTCGCTCGGCCTGG-3′, reverse 5′-TACCCGAGACTACTTCCCCA-3′); miR-370-3p (forward, 5′-GCCTGCTGGGGTGGAACCTGGT-3′, reverse 5′-CTCAACTGGTGTCGTGGA-3′); Irak2 (forward, 5′-CATGGCTTGCTACATCTACC-3′, reverse 5′-ACGTTTGTCTGTCCAGTTGA-3′); β-actin (forward 5′-GCACCACACCTTCTACAATG-3′, reverse, 5′-TGCTTGCTGATCCACATCTG-3′); U6 (forward, 5′-TCCGGGTGATGCTTTTCCTAG-3′, reverse, 5′-CGCTTCACGAATTTGCGTGTCAT-3′).
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2

Quantitative Gene Expression Analysis

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Total RNA was isolated from testicular tissues by using the Trizol reagent and was reverse-transcribed by a PrimeScript™ RT reagent kit (TaKaRa, Tokyo, Japan). RT-PCR was conducted by using SYBR Green PCR Master Mix (Beyotime, Nanjing, China) in the CFX96 Real-Time PCR System (Bio-Rad, Hercules, CA, USA). The mRNA levels were determined using the 2−ΔΔCt method and glyceraldehyde-3-phosphate dehydrogenase (GAPDH) was used as an internal control. Primary sequences used in this study are shown in the Supplementary Information, Table S3.
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3

Quantifying Gene Expression using qPCR

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Total cell RNA was extracted using the TRIzol reagent (Beyotime Institute of Biotechnology, Shanghai, China) and reverse transcribed to cDNA using M-MLV reverse transcriptase (Beyotime Institute of Biotechnology, Shanghai, China). qPCR analysis was performed using the SYBR Green PCR Master Mix (Beyotime) with the CFX96 Real-Time PCR System. The data were analyzed following the 2−∆∆Ct method and calculated using β-actin as the normalization control. The sequences of primers used are presented in Table 2.
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4

Liver RNA Extraction and RT-qPCR Analysis

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Total RNA was extracted from the frozen liver tissues (15–20 mg) with the RNAeasyTM animal RNA isolation kit with spin columns (R0024FT, Beyotime, Shanghai, China). A RevertAid first-strand cDNA synthesis kit (K1622, Thermo Scientific, Waltham, MA, USA) was used to transcribe mRNA into cDNA. RT-qPCR was performed by using SYBR Green PCR Master Mix (Beyotime) and a CFX96 Real-Time PCR System (Bio-Rad, Hercules, CA, USA). The primers were synthesized by Sangon (Shanghai, China). The primer sequences were as follows: Fndc5 (F:5′-GGCTGGGAGTTCATGTGGAA-3′; R:5′-TGGGAAGCGGTTATCTTTGCT-3′), Gapdh (F:5′-CAGTGCCAGCCTCGTCTCAT-3′; R:5′-AGGGGCATCCACAGTCTTC-3′).
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5

Gene Expression Analysis by qPCR

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Total RNA was extracted using an RNA isolation kit (Beyotime) and reverse transcribed using an RT reagent kit (Beyotime) according to the manufacturer’s instructions. Quantitative PCR (qPCR) was performed using SYBR Green PCR master mix (Beyotime). The amplification program was as follows: pre-denaturation at 95°C for 5 min, followed by 40 cycles of 95°C for 10 s, 60°C for 20 s. The primer pairs of the following genes were used:
lncRNA-Gm5532,
miR-125a-3p,
U6,
carbonic anhydrase II (
Car2),
cathepsin K (
CTSK),
GAPDH,
integrin β3,
MMP9, and
vacuolar-type H
+-ATPase
(
V-ATPase). The sequences of the primers are listed in
Table 1.
GAPDH was used as an internal control for gene expression assays, and
U6 was used as an internal control for miRNA assays. The expression levels of mRNA and miR-125a-3p were analyzed using the 2
–ΔΔCt method.

Table 1 Sequences of primers used for quantitative real-time PCR

Gene

Forward primer (5′→3′)

Reverse primer (5′→3′)

lncRNA-Gm5532

GCCACCACTCACACTGCTCT

CCTCTATGCTGGCTGACACG

miR-125a-3p

ACACTCCAGCTGGGACAGGTGAGGTTCTTG

CTCAACTGGTGTCGTGGAGTCGGCAATTCAGTTGAGGGCTCCCA

U6

AGAGCCTGTGGTGTCCG

CATCTTCAAAGCACTTCCCT

Car2

CATTACTGTCAGCAGCGAGCA

GACGCCAGTTGTCCACCATC

CTSK

CAGCAGAACGGAGGCATTGA

CCTTTGCCGTGGCGTTATAC

GAPDH

TGCACCACCAACTGCTTAG

GGATGCAGGGATGATGTTC

integrin β3

CCACCTTCACCAATATCAC

CCAAATCCCACCCATACAC

MMP9

GCCCTGGAACTCACACGACA

TTGGAAACTCACACGCCAGAA

V-ATPase

CCACTGGAAGCCCAGTAAACAGA

GAACGTATGAGGCCAGTGAGCA

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6

qRT-PCR Analysis of Gene Expression

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Total RNA was extracted from LO2 cells using TRIzol reagent (Invitrogen, Carlsbad, CA, USA). A 1 μg aliquot of RNA was converted to cDNA. The sequences of primers used for PCR amplification are listed in Table 3. qRT-PCR was performed using SYBR Green PCR master mix (Beyotime, Haimen, China) on stepone™ quantitative RT-PCR system (Applied Biosystems, Waltham, MA, USA). A 20 μL reaction mixture was amplified using the following thermal parameters: denaturation at 95 °C for 2 min, 40 cycles of the amplification step (95 °C for 15 s and 60 °C for 15 s), and a final extension at 95 °C for 15 s and 60 °C for 15 s. Glyceraldehyde 3-phosphate dehydrogenase (GAPDH) was served as the endogenous control. Relative mRNA expression levels were analyzed by the 2−ΔΔCt method.
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7

Cardiac Total RNA Extraction and qRT-PCR

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Total RNA of mouse cardiac was extracted using Trizol reagent. Reverse transcription was performed with the PrimeScript TM RT-PCR kit (TaKaRa, Tokyo, Japan). RT-PCR was detectedusing Quantitative PCR with SYBR Green PCR Master Mix (Beyotime, Nanjing, China) and CFX96 Real-Time PCR System (Bio-Rad, Hercules, CA, USA). The quantitative data were obtained with the 2−ΔΔCt method and normalized to GAPDH. RT-PCR analysis was performed for fatty acid binding protein 1 (FABP1), fatty acid transporter 1 (FATP1), cluster of differentiation 36 (CD36), sterol regulatory element-binding factor 1 (SREBF1), fatty acid synthase (FAS), acetyl- CoA carboxylase α (ACCα), adipose triglyceride lipase (ATGL), lysosomal acid lipase (LAL), hormone-sensitive lipase (HSL), lipoprotein lipase (LPL), METTL3, METTL14, WTAP, FTO, ALKBH5, YTHDF1, YTHDF2, YTHDF3, YTHDC1, YTHDC2, and GAPDH. All primers were produced by Sangon (Shanghai, China), and the primers used in this study are shown in Table 1.
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8

Hoechst33342 Staining and qRT-PCR Analysis

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The apoptotic nucleuses were observed with Hoechst33342. Cell culture and groups were the same as DCFH-DA treatment. Cells were xed with 4% paraformaldehyde for 20 minutes and the plates were washed 3 times with PBS for 5 minutes each time. 10ul of Hoechst33342 (B2261, Sigma-Aldrich, US, 200ug/ml in PBS,) was added to each well and incubated 5 minutes in the dark. Finally, anti-fade mounting media was used to seal the coverslips. Staining was observed in the uorescence microscopy.
Total RNA extracted and quantitative real-time polymerase chain reaction analysis Total RNA was extracted with TRIzol reagent (15596026, Invitrogen, Thermo Scienti c, Massachusetts, US) following the manual and DNA was generated by RevertAid First Strand cDNA Synthesis Kit (K1622, thermo scienti c, Massachusetts, US). Quantitative real-time PCR was performed by SYBR green PCR master mix (D7260, Beyotime Biotechnology, Shanghai, China) on CFX96 instrument. The reaction procedure was as follows: heating at 95°C for 5minutes and magni cation over 40 cycles of 95°C for 15seconds, 60°C for 30seconds and 95°C for 15 seconds. The primer sequence was as follows:
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9

Quantitative PCR Expression Analysis

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Trizol reagent (Beyotime, Shanghai, China) was utilized to isolate total RNA from tissues and cells. The complementary DNA (cDNA) was assembled using the riboSCRIPT Reverse Transcription Kit (Ribobio, Guangzhou, China). Then the amplification reaction was carried out using SYBR Green Master PCR mix (Beyotime) through the ABI 7900 system (Applied Biosystems, Foster City, CA, USA). The relative expression was normalized using glyceraldehyde-3-phosphate dehydrogenase (GAPDH) or small nuclear RNA U6 and calculated using 2−ΔΔCt method. The primers used were listed as below:
circ_0005962, F: 5′-AACTCCCCAGAGAAAGCCTGC-3′ and R: 5′-TGCTTGTGAAGCATTGGGGAT-3′; YWHAZ, F: 5′-ACTTTTGGTACATTGTGGCTTCAA-3′ and R: 5′-CCGCCAGGACAAACCAGTAT-3′; PDK4, F: 5′-GGAGCATTTCTCGCGCTACA-3′ and R: 5′-ACAGGCAATTCTTGTCGCAAA-3′; GAPDH, F: 5′-CTGGGCTACACTGAGCACC-3′ and R: 5′-AAGTGGTCGTTGAGGGCAATG-3′; miR-382-5p, F: 5′-ATCCGTGAAGTTGTTCGTGG-3′ and R: 5′-TATGGTTGTAGAGGACTCCTTGAC-3′; U6, F: 5′-CTCGCTTCGGCAGCACATATACT-3′ and R: 5′-ACGCTTCACGAATTTGCGTGTC-3′.
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10

Circular RNA circ_0005962 Quantification

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Trizol reagent (Beyotime, Shanghai, China) was utilized to isolate total RNA from tissues and cells. The complementary DNA (cDNA) was assembled using the riboSCRIPT Reverse Transcription Kit (Ribobio, Guangzhou, China). Then the amplification reaction was carried out using SYBR Green Master PCR mix (Beyotime) through the ABI 7900 system (Applied Biosystems, Foster City, CA, USA). The relative expression was normalized by Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) or small nuclear RNA U6 and calculated using 2 -ΔΔCt method. The primers used were listed as below: circ_0005962, forward (F):
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