BSU Seminar: "Statistical approaches for differential analyses on transcriptomics data"

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• Dr Simone Tiberi, Universita di Bologna
• Tuesday 10 January 2023, 14:00-15:00
• Large Seminar Room, East Forvie Building, Forvie Site, Robinson Way, Cambridge CB2 0SR.

If you have a question about this talk, please contact Alison Quenault.

This will be a free hybrid seminar. To register to attend virtually, please click here: https://us02web.zoom.us/meeting/register/tZYkfuivpj0jEta0t6wA4iKlz8YOaojvNwdt

Transcriptomics data (notably, RNA -sequencing), allow measuring the mRNA abundance of genes and transcripts. Frequently, interest lies in identifying genes and transcripts displaying differences between experimental conditions (e.g., healthy vs. diseased or treated vs. untreated). Such differences refer to particular aspects of the data, such as overall gene abundance (i.e., differential gene expression) or splicing (i.e., differential splicing). Analyzing transcriptomics data presents several challenges, due to biological noise (e.g., between transcripts, cells and samples), and technical limitations in the measurement process. For instance, most RNA -sequencing reads are compatible with multiple transcripts, making it difficult to estimate transcript abundance and, hence, to study transcript-level processes such as splicing. In this seminar, I will illustrate three statistical methods, distributed as Bioconductor R packages, to perform various types of differential analyses from transcriptomics data.

This talk is part of the MRC Biostatistics Unit Seminars series.

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