OLD Category: methods
February 27, 2024 / Nat Genet
BANKSY unifies cell typing and tissue domain segmentation for scalable spatial omics data analysis
Spatial omics data are clustered to define both cell types and tissue domains. We present Building Aggregates with a Neighborhood Kernel and Spatial Yardstick (BANKSY), an algorithm that unifies these…
January 13, 2024 / Nat Commun
BIDCell: Biologically-informed self-supervised learning for segmentation of subcellular spatial transcriptomics data
Recent advances in subcellular imaging transcriptomics platforms have enabled high-resolution spatial mapping of gene expression, while also introducing significant analytical challenges in accurately identifying cells and assigning transcripts. Existing methods…
January 12, 2024 / Genome Biol
Niche-DE: niche-differential gene expression analysis in spatial transcriptomics data identifies context-dependent cell-cell interactions
Existing methods for analysis of spatial transcriptomic data focus on delineating the global gene expression variations of cell types across the tissue, rather than local gene expression changes driven by…
December 8, 2023 / Nat Genet
CellCharter reveals spatial cell niches associated with tissue remodeling and cell plasticity
Tissues are organized in cellular niches, the composition and interactions of which can be investigated using spatial omics technologies. However, systematic analyses of tissue composition are challenged by the scale…
November 28, 2023 / BMC Genomics
A machine learning one-class logistic regression model to predict stemness for single cell transcriptomics and spatial omics
Cell annotation is a crucial methodological component to interpreting single cell and spatial omics data. These approaches were developed for single cell analysis but are often biased, manually curated and…
November 11, 2023 / Nucleic Acids Res
standR: spatial transcriptomic analysis for GeoMx DSP data
To gain a better understanding of the complexity of gene expression in normal and diseased tissues it is important to account for the spatial context and identity of cells in…
October 24, 2023 / Biomedicines
Empowering Renal Cancer Management with AI and Digital Pathology: Pathology, Diagnostics and Prognosis
Renal cell carcinoma is a significant health burden worldwide, necessitating accurate and efficient diagnostic methods to guide treatment decisions. Traditional pathology practices have limitations, including interobserver variability and time-consuming evaluations.…
October 20, 2023 / Diagnostic Molecular Pathology (2nd ed)
Translational and clinical applications of the GeoMx digital spatial profiling platform
Spatial biology is emerging as a new field of research as technological advancements allow investigators to characterize high-plex profiles of RNA transcripts and proteins in the tissue isolated from patients…
October 5, 2023 / Brief Bioinform
SpaRx: elucidate single-cell spatial heterogeneity of drug responses for personalized treatment
Spatial cellular authors heterogeneity contributes to differential drug responses in a tumor lesion and potential therapeutic resistance. Recent emerging spatial technologies such as CosMx, MERSCOPE and Xenium delineate the spatial…
September 15, 2023 / Oncol Res
Progress in research on tumor microenvironment-based spatial omics technologies
Spatial omics technology integrates the concept of space into omics research and retains the spatial information of tissues or organs while obtaining molecular information. It is characterized by the ability…
September 12, 2023 / Nat Commun
SiGra: single-cell spatial elucidation through an image-augmented graph transformer
Recent advances in high-throughput molecular imaging have pushed spatial transcriptomics technologies to subcellular resolution, which surpasses the limitations of both single-cell RNA-seq and array-based spatial profiling. The multichannel immunohistochemistry images…
September 11, 2023 / Biomed Pharmacother
Translational strategies and systems biology insights for blood-brain barrier opening and delivery in brain tumors and Alzheimer’s disease
The blood-brain barrier (BBB) plays a critical role in determining the effectiveness of systemic treatments for brain diseases. Over the years, several innovative approaches in BBB opening and drug delivery…