Area A: High Precision Single Cell Genomes: Linear Amplification and Digital Haplotypes
Harvard University, Cambridge MA
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Abstract
Project Summary/Abstract This proposal brings together four research teams with expertise in cancer genome sequencing, single-cell sequencing, and cancer cell biology to advance single-cell sequencing technology to tackle compelling questions in basic and translational cancer research. It responds to RFA-CA-17-023, Cancer Moonshot Initiative, and proposes to create and validate a platform of experimental and analytical approaches for precise single-cell sequencing of human samples based on the most recent advance in single-cell whole-genome amplification, Linear Amplification after Transposon Insertion (LIANTI), developed by the Xie laboratory. The immediate goal is to further develop LIANTI and augment bioinformatic analysis for single-cell LIANTI sequencing. Aim 1 focuses on developing a high throughput version of LIANTI. Aim 2 focuses on developing computational methods that utilize the digital and linear nature of LIANTI sequencing data. Aim 3 describes strategies and experimental models that will be used to validate and benchmark single-cell LIANTI sequencing performance and demonstrate its applicability to tumor analysis. Overall, our goal is to optimize and implement the most precise single-cell sequencing technology for variant detection in single cancer or somatic cells. Success of the project will result in an integrated platform that overcomes prevailing impediments in single-cell analysis and can have a transformative impact in multiple areas of cancer research, including tumor genetic heterogeneity, circulating tumor cells, primary/metastasis relationship, drug resistance, and benign-to- malignancy transformation.
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