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Cdna synthesis kit

Manufactured by Meridian Bioscience
Sourced in United Kingdom, United States, Australia

The cDNA Synthesis Kit is a laboratory instrument designed to synthesize complementary DNA (cDNA) from RNA samples. The kit provides the necessary reagents and protocols to convert RNA into a stable cDNA format, which can then be used for various downstream applications.

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24 protocols using cdna synthesis kit

1

Quantifying Gene Expression in Hypoxia

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RNA isolation was performed using Trizol (Sigma) and an RNeasy Mini Kit (Qiagen) according to the manufacturer’s instructions. cDNA was generated using a cDNA synthesis kit (Bioline) according to manufacturer’s protocol. Gene expression was analysed using TaqMan probe sets (Applied Biosystems) details of the TaqMan assays used can be found in Table 2. QPCR was performed on a StepOnePlus instrument (Applied Biosystems) to obtain comparative ΔΔCt values. Data was normalized to the non-hypoxia responsive housekeeping gene RPLP0.

TaqMan gene expression assay details.

GeneTaqMan Assay Number
RPLP0Mm00725448_s1
PTHrPMm00436057_m1
MEF2CMm01340842_m1
RUNX2Mm00501584 m1
Col10a1Mm00487041_m1
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2

Catechin Extract Enhances Glucose Uptake

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(+)–Catechin was from Uncaria gambir Roxb. The purity of (+)–catechin was approximately 99.9 % and were purchased from PT. Andalas Sitawa Fitolab, Padang, Indonesia (Code: RC-03401). Mouse 3T3-L1 fibroblast (CL-173) was kindly given by Prof. M. Taher. from International Islamic University Malaysia (IIUM). Glucose uptake kit was Promega Glucose Uptake-Glo™ J1342 (Madison, Wisconsin, USA). TRIzol reagent was purchased from Invitrogen (Waltham, Massachusetts, USA). cDNA Synthesis Kit was purchased from Bioline BIO-65054 (Tauton, MA, USA). cDNA was amplified using PCR Bioline SensiFAST SYBR No-ROX kit BIO-98005 (Tauton, MA, USA). All other chemicals were analytical grade and purchased from Sigma Aldrich, Singapore. The period of study was from February 2017 to September 2019.
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3

Quantitative PCR Analysis of Gene Expression

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After growth for 7 d in LD conditions, RNA was extracted from 100mg of seedling tissue using the Spectrum RNA kit (Sigma-Aldrich). A 1–2 μg aliquot of RNA was used to produce cDNA with a Superscript III (Life Technologies) or cDNA synthesis kit (Bioline). Non-quantitative PCR for mutant analysis was performed using Red-Hot Taq (Bioline). Real-time PCR was performed with SYBR-Green, Platinum Taq (Life Technologies), using primers for gene expression shown in Supplementary Table 2 at JXB online on an MJ Research Opticon 2 machine with Opticon Monitor 3 software. Quantification of expression was determined from ≥3 experiments and the values derived using the comparative CT method (2–ΔΔCt) (Schmittgen and Livak, 2008 ) with ACTIN7 (At5g09810) as the internal control. Control genes At4g33060 and At3g10040 were selected at random from a data set produced from study of the Arabidopsis hypoxia response (Licausi et al., 2011 (link)). From the microarray data described in Fig. 6, the fold change in log2 expression compared with Col-0 in At4g33060 is 0.054 (nup160-1) or 0.048 (nup62-2) and in At3g10040 is 0.144 (nup160-1) or 0.104 (nup62-2).
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4

Total RNA Extraction and Sanger Sequencing

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Total RNA was extracted with TRIzol reagent (Life Technologies, United States) and cDNA was generated by cDNA synthesis Kit (Bioline, United States), according to the manufacturer's instructions. Following RT-PCR and gel electrophoresis, purified DNA bands were sent for Sanger sequencing by Eton Bioscience INC (NC, United States).
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5

Phage Infection Kinetics and Transcriptional Analysis

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A similar approach was taken as previously described [85 (link),86 (link)]. Freshly grown host bacteria (strain DSM 30186) at an OD600 of 0.20–0.23 was infected with phage CB7 at an MOI of 5 × 10−4, in the same manner as described for the single-step growth curve assay above. At 15, 30, and 45 min intervals, 1 mL of infected cells was pelleted and resuspended in phosphate buffer saline (PBS). Next, total RNA was extracted using the High Pure RNA Roche extraction kit (Roche, Basel, Switzerland) and subsequently, RT-PCR was performed using the cDNA synthesis kit (Bioline, London, UK) according to the manufacturer protocol. PCRs were performed using RedTaq ReadyMix (Sigma-Aldrich, St. Louis, MO, USA) to amplify products using primers specific to regions situated at the 5′ and 3′ ends of HNH endonuclease(s) being examined, with cDNA and CB7 genomic DNA as controls. These products were then inspected by agarose gel electrophoresis and Sanger sequencing for the presence of splicing. Primers used in PCRs are detailed in Supplementary information 1, Table S13.
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6

Quantifying HER2 Gene Expression

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Total RNA was isolated from cultured cells using RNeasy® Mini Kit (Qiagen) according to the manufacturer's instructions, quantified using Thermo Scientific NanoDrop® ND-100, and then converted to cDNA using cDNA Synthesis Kit (Bioline, London, UK). HER2 expression was determined using 5′–AGTACCTGGGTCTGGACGTG–3′ (forward) and 5′–CTGGGAACTCAAGCAGGAAG -3′ (reverse) as primer sequences. PCR reactions were prepared using 2.0 μL of cDNA diluted in SensiMix™ SYBR kit (Bioline). qRT-PCR analysis was performed using the Applied Biosystems 7300-HT Real-Time PCR System. Levels of genes mRNA were expressed in relative copy numbers normalized against the housekeeping gene glyceraldehyde 3-phosphate dehydrogenase (comparative Ct method, 2–ΔΔCt).
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7

Quantifying Cytokine Expression in Murine Colon

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Snap frozen colon segments were homogenised using a Tissue lyzer II with a Stainless-Steel Bead (5 mm) and RNA was extracted using a RNeasy® Mini Kit (all Qiagen). cDNA was generated with a cDNA synthesis kit (Bioline). mRNA transcripts were quantified by quantitative PCR using TaqMan gene expression assays for IL-13 (Mm0043204_m1), IL-5 (Mm00439646_m1), IL-4 (Mm00445259_ m1), IFNγ (Mm01168134_m1) and IL-17A (Mn00439619_m1) (Applied Biosystems, Warrington, UK). Gene expression was normalised to the expression of β-actin (4352341E) to generate ΔCT values and relative abundance was quantified using the 2−ΔCT method.
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8

Quantitative RT-PCR Analysis of Gene Expression

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RNA was isolated from cells using ReliaPrep™ RNA Cell Miniprep System (Promega). Up to 2 μg RNA was used to generate cDNA, using a cDNA synthesis kit (Bioline). RT-qPCR analysis was carried out using CFX96/384 instruments (Bio-Rad) and the GoTaq qPCR Mastermix Kit (Promega). RT-qPCR primer sequences are listed in Supplementary Table 1 and were purchased from Eurofins. Due to very low expression levels, ADAMTS10 gene expression analysis was performed using TaqMan probes (Hs01548644_g1 (ADAMTS10), ThermoFisher Scientific), with matching reference gene primers. Expression analysis used CFX Manager Software v3.1 (Bio-Rad), with samples normalized to a combination of TATA box binding protein (TBP) and glyceraldehyde 3-phosphate dehydrogenase (GAPDH) expression. Gene expression data are in Supplemental Information.
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9

Quantifying Gene Expression in Mice Tissues

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Gene expression levels were quantified using real-time PCR assay. Mice TAMs were powdered under liquid nitrogen and homogenized using Fast prep-24 (MP Biomedicals, NSW, Australia) in Trizol (Invitrogen, Australia). Epididymal and subcutaneous adipose tissue and liver were homogenized as above. Total RNA was then extracted as per the manufacturer’s instructions and resuspended in nuclease-free water. Genomic DNA contamination of RNA preparations was eliminated by digestion with DNase I amplification grade (Invitrogen, Australia). cDNA was synthesized from 1 µg total RNA using cDNA synthesis kit (Bioline, NSW, Australia) and RT-PCR was performed using the SYBR Hi-ROX kit (Bioline) on a 7900HT Fast Real-time PCR system (Ambion Life Technologies). Results are quoted to the mRNA level compared to TATA box, the expression of which was unchanged by the treatments. Primer sequences are listed in Supplementary Table S1.
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10

Quantitative PCR for Cytokine Expression

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Snap frozen colon segments were homogenised using a Tissue lyzer II with a Stainless-Steel Bead (5 mm) and RNA was extracted using a RNeasy® Mini Kit (all Qiagen). cDNA was generated with a cDNA synthesis kit (Bioline). mRNA transcripts were quantified by quantitative PCR using TaqMan gene expression assays for IL-13 (Mm0043204_m1), IL-5 (Mm00439646_m1), IL-4 (Mm00445259_m1), IFNγ (Mm01168134_m1) and IL-17A (Mn00439619_m1) (Applied Biosystems, Warrington, UK). Gene expression was normalised to the expression of β-actin (4352341E) to generate ΔCT values and relative abundance was quantified using the 2−ΔCT method.
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