Publications by authors named "Alicja Raczkowska"

Article Synopsis
  • Spatial transcriptomics allows researchers to see where genes are expressed in tissues, but it complicates the process of identifying different cell types due to the mixing of cells at measurement spots.
  • The proposed model, Celloscope, uses prior knowledge of marker genes to accurately deconvolute the mixed signals from spatial transcriptomics data.
  • Celloscope shows superior performance compared to other methods on simulated data and can effectively identify brain structures and distinguish neuron types in mouse brain tissue, as well as analyze immune cell composition in prostate tissue.
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Background: Despite the fact that tumor microenvironment (TME) and gene mutations are the main determinants of progression of the deadliest cancer in the world - lung cancer, their interrelations are not well understood. Digital pathology data provides a unique insight into the spatial composition of the TME. Various spatial metrics and machine learning approaches were proposed for prediction of either patient survival or gene mutations from this data.

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Article Synopsis
  • Advances in microfluidics and low sequencing costs have revolutionized single-cell sequencing technology, allowing for the analysis of thousands to millions of cells in one experiment.
  • This rapid data generation presents unique challenges in data science, which the text identifies as central to the future of single-cell biology.
  • The article provides an overview of eleven key challenges, including motivating research questions and open problems, making it relevant for both experienced researchers and newcomers to the field.
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Machine learning algorithms hold the promise to effectively automate the analysis of histopathological images that are routinely generated in clinical practice. Any machine learning method used in the clinical diagnostic process has to be extremely accurate and, ideally, provide a measure of uncertainty for its predictions. Such accurate and reliable classifiers need enough labelled data for training, which requires time-consuming and costly manual annotation by pathologists.

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