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7 protocols using takara primescript 1st strand cdna synthesis kit

1

Quantifying miR-27b-3p and PPARG Expression

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TRIzol reagent was employed to extract miR-27b-3p and PPARG from the H9C2 cell line. The TaKaRa PrimeScript 1st Strand cDNA Synthesis Kit (TaKaRa Bio Inc, Japan) was adopted to reverse-transcribe miR-27b-3p and PPARG into cDNA. SYBR Green qPCR Master Mix (MedChemExpress, NJ, USA) and the IQ5 Multicolor qRT-PCR Detection System (Bio-Rad, USA) were utilized for real-time fluorescent quantitative PCR. The relative expression was calculated based on the 2−ΔΔCT value of each gene, and all experiments were repeated 3 times. GAPDH and U6 were taken as the internal parameters of PPARG and miR-27b-3p, respectively [23 (link)]. The primer sequences are detailed in Table 1.

The sequence of each molecular primer

GenesPrimer sequences (5’‐3’)
PPARGForwardTTTCCTGTCAAGATCGCCCT
ReverseTTGCAGTGGGGATGTCTCAT
miR-27b-3pForwardAGGGTTCACAGTGGCTAAG
ReverseGAGAGGAGAGGAAGAGGGAA
GAPDHForwardTGTGTCCGTCGTGGATCTGA
ReverseTTGCTGTTGAAGTCGCAGGAG
U6ForwardCTCGCTTCGGCAGCACA
ReverseAACGCTCTCACGAATTTGCGT
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2

Quantitative RNA Expression Analysis

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Total RNA was extracted using TRIzol (Life Technologies, Carlsbad, CA, USA) according to the manufacturer’s instructions. RNA was quantified and used to generate cDNA using the Takara PrimeScript 1st strand cDNA Synthesis Kit (Takara Bio Inc, Seoul, Korea). qRT-PCR was performed using a Power-up SYBR Green Master Mix (Thermo Fisher Scientific, Waltham, MA, USA), while mRNA detection was performed using an ABI Step One Real-time PCR System (Applied Biosystems, Foster City, CA, USA). The comparative CT method was used to determine the relative expression in each sample using β actin as normalized control. Primers were obtained from Macrogen (Macrogen, Inc., Seoul, Korea).
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3

Quantifying HIF-1α and Prion Protein Expression

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Total RNA was extracted from HCT116 cells using the Easy-spin™ Total RNA Extraction kit (iNtRON Biotechnology, Daejeon, Korea). cDNA was synthesized using the TaKaRa Prime Script™ 1st strand cDNA synthesis kit (Takara Bio Inc., Shiga, Japan) following the manufacturer's instructions. The following primers were designed:
HIF-1α: forward 5′-CGCAAGTCCTCA AAGCAC AG-3′; reverse 5′-TGGTAGTGGTGGCATTAGCA-3′;
Prnp: forward, 5′-GTGCACGACTGCGTCAAT-3′; reverse, 5′-CCTTCCTCATCCCACTATCA-3′;
β-actin: forward, 5′-GCAAGCAGGAGTATGACG AG-3′; reverse, 5′-CAAATAAAGCCATGCCAATC-3′.
All Thunderbire™ SYBR qPCR mix reactions (TOYOBO, Tokyo, Japan) were performed on the CFX96 real-time PCR detection system (Bio-Rad, Hercules, CA, USA).
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4

Quantitative RT-PCR Analysis of PIK3CA

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Total RNA was extracted from the cells using TRIzol (Life Technologies). Total RNA was reverse transcribed to cDNA using the Takara prime script 1st strand cDNA synthesis kit (catalog no. 6110A, Takara Bio Inc.), according to the manufacturer’s instructions. qRT-PCR was performed using an ABI StepOne Real-Time PCR System (Applied Biosystems, Warrington, UK) and a Power-up SYBR Green Master Mix (catalog no. A25741, Thermo-Fisher Scientific). The expression of the target gene was normalized to that of glyceraldehyde 3-phosphate dehydrogenase (GAPDH). Primer sequences for GAPDH were as follows: 5′-CAGCCTCAAGATCATCAGCA-3′ (forward) and 5′-TGTGGTCATGAGTCCTTCCA-3′ (reverse). PIK3CA primers were as follows: 5′-AACAATGCCTCCACGACCAT-3′ (forward) and 5′-TCACGGTTGCCTACTGGTTC-3′ (reverse).
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5

Total RNA Extraction from T. wilfordii

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Total RNA was extracted from 100 mg of T. wilfordii roots using the plant total RNA extraction kit (TIANGEN Biotech Co., Ltd., Beijing, China). The RNA quality and concentration were measured by gel electrophoresis (1% agarose) and spectrophotometer analysis. The total RNA was reverse transcribed into cDNA template using Takara PrimeScript™ 1st strand cDNA synthesis kit (TaKaRa Biotechnology, Dalian, China).
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6

Granulosa Cell Transcriptome Profiling

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CCs were collected on the day of oocyte retrieval. In particular, the cells were segregated from cumulus-oocyte complexes (COCs) through the process of stripping using the mechanical method. Granulosa cells surrounding oocytes were collected from 18 patients (59 COCs) and stored in −80°C before RNA extraction. Total RNA from these cells was extracted using NucleoSpin RNA XS [12 ] (MACHEREY-NAGEL GmbH and Co. KG, Dϋren, Germany) and Qiagen RNeasy Micro Kit [13 ] (Qiagen, Hilden, Germany). cDNA was converted from extracted total RNA using TaKaRa PrimeScript 1st strand cDNA Synthesis Kit [14 ] (TaKaRa, Japan) and Qiagen Quantitect RT Kit [15 ] (Qiagen, Hilden, Germany) with Bio-Rad T100 thermocycler (Bio-Rad Laboratories, Hercules, CA)[16 ] following manufacturer protocols.
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7

Quantitative Analysis of Gene Expression

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Total RNA was extracted from SK cells using Easy-spin Total RNA Extraction Kit (iNtRON Biotechnology, Seoul, Korea). cDNA synthesis was carried out using TaKaRa Prime Script 1st Strand cDNA synthesis kit (TaKaRa Bio, Tokyo, Japan). For quantitative real-time PCR, 1 μl of gene-speci c primers and SYBR Green Supermix (Bio-Rad Laboratories, Hercules, CA) were used in 20 μl of reaction volume. The primers were as follows: TNF-α, forward = 5′TCT CCT TCC TGA TCG TGG C′ and reverse = 5′ GGT TCA GCC ACT GGA GCT 3′; COX-2, forward = 5′ AAA TTC GGT ACA TCC TCG AC 3′ and reverse = 5′ CAG GAA CTG GAT CAG GAC TT 3′; glyceraldehyde-3-phosphate dehydrogenase (as an internal control): forward = 5′ TGC CTC CTG CAC CAA CT3′ and reverse = 5′CGC CTG CTT CAC CTT C 3′. All quantitative PCR reactions were performed on a CFX96 real-time PCR detection system (Bio-Rad).
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