ONGOING CHROMOSOMAL INSTABILITY ACROSS ANEUPLOID SUBTYPES OF CHILDHOOD B-CELL ACUTE LYMPHOBLASTIC LEUKEMIA ASSOCIATES WITH DISEASE PROGRESSION

Dr Narcis Fuentes
nfernandez@carrerasresearch.org

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Dataset ID	Description	Technology	Samples
EGAD50000000029	Single-cells from primary cB-ALL samples were isolated using an inverted microscope coupled to a micromanipulator equipped with glass capillary for cell collection. A minimum of 20 cells were isolated per sample in microdrops of 2.5 μl of phosphate buffered saline (PBS) with 0.5% polyvinylpyrrolidone. Cell lysis and DNA amplification was performed using the SurePlex DNA Amplification System (Illumina). Genomic DNA was subsequently fragmented and tagged with the VeriSeq PGS transposome and the TruSeq Index adapters by PCR for library preparation (VeriSeq PGS Library Prep Kit, Illumina). Equal volumes of normalized libraries were pooled and sequenced on an Illumina MySeq platform with 1×75-bp single-end sequencing. Reads were subsequently aligned to the human reference genome (GRCh38/hg38) using Bowtie2 (version 2.2.4).	Illumina MiSeq	9
EGAD50000000268	We performed WGS on AutoMACS-separated BM leukemic blasts (CD34 + CD33+) to characterize the breakpoint and genes involved in the translocation. Additionally, we performed RNA-seq of the bone marrow blast cells to explore the functional consequences of the t(7;12) translocation	Illumina NovaSeq 6000	3