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Agilent sureselect v 4 kit

Manufactured by Agilent Technologies
Sourced in United States

The Agilent SureSelect v.4 kit is a targeted enrichment solution for next-generation sequencing. It allows for the selective capture and sequencing of specific regions of the genome, enabling in-depth analysis of genomic targets of interest.

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8 protocols using agilent sureselect v 4 kit

1

Targeted Exome Sequencing of Tumor and Normal

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Samples were prepared, sequenced and analyzed as described earlier (Bertotti et al., 2015 (link)). DNA was extracted from cells and xenograft tissues using the Qiagen DNeasy blood and tissue mini kit (Qiagen, CA). Fragmented genomic DNA from tumor and normal samples was used for Illumina TruSeq library construction (Illumina, San Diego, CA). Exonic regions or targeted regions (targeted genes-Table S3) were captured in solution using the Agilent SureSelect v.4 kit (Agilent, Santa Clara, CA) according to the manufacturer’s instructions as previously described (Bertotti et al., 2015 (link); Sausen et al., 2013 (link)). Paired-end sequencing, resulting in 100 or 150 bases from each end of the DNA fragments for the exome or targeted sequencing libraries, respectively, was performed using Illumina HiSeq 2000/2500 instrumentation (Illumina, San Diego, CA).
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2

Comparative Analysis of Exome Sequencing Techniques

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Exome sequencing samples were collected for two current mainstream technologies. We selected 2 × 12 exome libraries captured with the Agilent SureSelect V4 kit (Agilent, Santa Clara, CA) sequenced by the Beijing Genomics Institute (BGI) in Copenhagen on an Illumina HiSeq system (Illumina, San Diego, CA) with 101 bp paired‐end reads. The first set contained samples sequenced to an average coverage of 78x and the second set were different samples sequenced at 160x. An additional 12 libraries were captured with the latest Agilent SureSelect V5 capture kit and sequenced by the Charité university clinic Berlin to an average coverage of 100x on an Illumina HiSeq system using 100 bp paired‐end reads. For NimbleGen, we selected 12 libraries captured by the latest NimbleGen SeqCap V3 and sequenced on an Illumina HiSeq using 101 bp paired‐end reads at 95x average coverage at the Duke Genome Centre (Table 1). DNA from all samples was derived from blood.
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3

Whole Exome Sequencing of Tumor and Normal Samples

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Whole exome sequencing was performed on pre-treatment tumor and matched normal samples. DNA was extracted from patients’ tumors and matched peripheral blood using the QIAGEN DNA kit (QIAGEN, CA). Fragmented genomic DNA from tumor and normal samples was used for Illumina TruSeq library construction (Illumina, San Diego, CA) and exonic regions were captured in solution using the Agilent SureSelect v.4 kit (Agilent, Santa Clara, CA) according to the manufacturers’ instructions as previously described10 (link),47 . Paired-end sequencing, resulting in 100 bases from each end of the fragments for the exome libraries was performed using Illumina HiSeq 2000/2500 instrumentation (Illumina, San Diego, CA). The mean depth of total and distinct coverage for the pre-treatment tumors were 206x and 173x (Table S1O).
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4

Whole Exome Sequencing of Lung Cancer

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Whole exome sequencing was performed on the pre-treatment and post-progression tumor and matched normal samples. Tumor samples underwent pathological review for confirmation of lung cancer diagnosis and assessment of tumor purity. Slides from each FFPE block were macrodissected to remove contaminating normal tissue. Matched normal samples were provided as peripheral blood. DNA was extracted from patients’ tumors and matched peripheral blood using the Qiagen DNA FFPE and Qiagen DNA blood mini kit respectively (Qiagen, CA). Fragmented genomic DNA from tumor and normal samples was used for Illumina TruSeq library construction (Illumina, San Diego, CA) and exonic regions were captured in solution using the Agilent SureSelect v.4 kit (Agilent, Santa Clara, CA) according to the manufacturers’ instructions as previously described (16 (link), 23 (link), 35 (link)). Paired-end sequencing, resulting in 100 bases from each end of the fragments for the exome libraries was performed using Illumina HiSeq 2000/2500 instrumentation (Illumina, San Diego, CA). The mean depth of coverage for the pre-treatment and resistant tumors was 214x and 217x respectively, allowing us to identify sequence alterations and copy number changes in >20,000 genes (Supplementary Table S2).
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5

Whole-Exome Sequencing and Variant Filtering

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After obtaining written informed consent, whole‐exome sequencing was done using DNA isolated from blood, as described previously (Lelieveld et al., 2016). Briefly, exome capture was done using the Agilent SureSelect v4 Kit (Agilent, Santa Clara, CA). Exome libraries were sequenced on an Illumina HiSeq instrument (Illumina, San Diego, CA) with 101‐bp paired‐end reads at a median coverage of 75× and with >95% of exons having coverage >30×. Sequence reads were aligned to the hg19 reference genome using BWA version 0.5.9‐r16. Variants were subsequently called by the GATK unified genotyper, version 3.2‐2 and annotated using a custom diagnostic annotation pipeline. Variants were filtered for having less than 1% frequency in dbSNP, having <1% frequency in our in‐house database and having <1% frequency in the “Exome Aggregation Consortium” (ExAC) database (http://www.exac.broadinstitute.org).
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6

Trio-Based Whole Exome Sequencing

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For whole exome sequencing (WES), a parent–offspring trio approach was used as described by us previously [3 (link), 4 (link)]. Exomes were sequenced using DNA isolated from blood according to standard procedures. Exome capture was done using the Agilent SureSelect v4 kit (Agilent, Santa Clara, CA, USA). Exome libraries were sequenced on an Illumina HiSeq instrument (Illumina, San Diego, CA, USA) with 101 bp paired-end reads at a median coverage of 75x. Sequence reads were aligned to the hg19 reference genome using BWA version 0.5.9-r16. Variants were subsequently called by the GATK unified genotyper, version 3.2-2 and annotated using a custom diagnostic annotation pipeline. De novo variants in index patients were called as described by de Ligt et al. [4 (link)]. Standard Sanger sequencing of patient and parental DNA was used for validation de novo variants identified in WES data.
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7

Whole-Exome Sequencing of Lung Cancer

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Whole-exome sequencing was performed on preimmunotherapy tumor and matched normal samples, with the exception of three cases for which tumor from the time of resistance to therapy was analyzed (Supplementary Table 1). Tumor formalin-fixed paraffin-embedded (FFPE) blocks were retrieved and underwent pathological review for confirmation of lung cancer diagnosis and assessment of tumor cellularity. Slides from each FFPE block were macrodissected to remove contaminating normal tissue. Matched normal samples were provided as peripheral blood. DNA was extracted from patients’ tumors and matched peripheral blood using the Qiagen DNA FFPE and Qiagen DNA blood mini kit, respectively (Qiagen). Fragmented genomic DNA from tumor and normal samples used for Illumina TruSeq library construction (Illumina) and exonic regions were captured in solution using the Agilent SureSelect v.4 kit (Agilent) as previously described13 . Paired-end sequencing, resulting in 100 bases from each end of the fragments for the exome libraries was performed using Illumina HiSeq 2500 instrumentation (Illumina). The mean depth of total and distinct coverage for the pretreatment tumors were ×231 and ×144, respectively (Supplementary Tables 2, 3 and 6).
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8

Whole Exome Sequencing of HSCR

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In a trio design, patients with HSCR and their non-affected parents were analyzed by WES. The Agilent SureSelect V4 kit (Agilent Technologies, Santa Clara, USA) was used to prepare the sequencing library. Sequencing was performed on the Illumina HiSeq 2500 platform (Illumina, San Diego, USA) as described in the Supplementary (S1 Text). Filtered variants for both patients (patient I: 11 genes, patient II: 14 genes) are shown in S1 Table and S2 Table.
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