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Qiaamp viral rna columns

Manufactured by Qiagen

The QIAamp® viral RNA columns are lab equipment designed for the isolation and purification of viral RNA from various sample types. The columns utilize a silica-based membrane technology to efficiently capture and elute viral RNA for downstream analysis.

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3 protocols using qiaamp viral rna columns

1

Viral Sequence Analysis of Transmitted Founder HIV

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Viruses replicating in infected animals were identified by sequence analysis. Viral RNA was isolated from plasma using QIAamp viral RNA columns (Qiagen) according to the manufacturer’s protocol, and cDNA was generated using Superscript III Reverse Transcriptase (Invitrogen) with the primer GTGGGTACACAGGCATGTGTGG. cDNA was amplified by nested PCR using the Expand High Fidelity PCR System (Roche). PCR primers were designed to anneal in regions with the fewest possible primer mismatches to HIVJR-CSF, HIVCH040, HIVRHPA and HIVTHRO sequences. Primer sequences were as follows: outer forward primer, TGCATATTGTGAGTCTGTTACTATGTTTACT; reverse prime CAGGAGCAGATGATACAG; inner forward primer, GTAGGACCTACACCTGTCAAC; reverse primer CCTGCAAAGCTAGGTGAATTGC. Amplified viral DNA was sequenced and compared to sequences of transmitted/founder viruses.
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2

One-step RT-qPCR for HIV-RNA Quantification

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For tissue RNA analysis, RNA was extracted using QIAamp® viral RNA columns (Qiagen) according to the manufacturer’s protocol including an optional treatment with RNase-free DNase and analyzed using one-step reverse transcriptase real-time PCR [ABI custom TaqMan™ Assays-by-Design]42 (link). Known quantities of HIV gag RNA standards were run in parallel, creating a standard curve for HIV gag and sample RNA was quantified by extrapolation from the standard curve. All samples were run and analyzed on an ABI 7500 Fast Real-Time PCR System (Applied Biosystems™). Due to the relatively low number of human cells found in the brain, HIV-RNA levels were quantified for only three vehicle control and three AZD5582-treated animals.
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3

One-step RT-qPCR for HIV-RNA Quantification

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For tissue RNA analysis, RNA was extracted using QIAamp® viral RNA columns (Qiagen) according to the manufacturer’s protocol including an optional treatment with RNase-free DNase and analyzed using one-step reverse transcriptase real-time PCR [ABI custom TaqMan™ Assays-by-Design]42 (link). Known quantities of HIV gag RNA standards were run in parallel, creating a standard curve for HIV gag and sample RNA was quantified by extrapolation from the standard curve. All samples were run and analyzed on an ABI 7500 Fast Real-Time PCR System (Applied Biosystems™). Due to the relatively low number of human cells found in the brain, HIV-RNA levels were quantified for only three vehicle control and three AZD5582-treated animals.
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