Bioinformatics (Oxford, England) · 2026
hoodscanR: profiling single-cell neighborhoods in spatial transcriptomics data.
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Liu Ning, Martin Jarryd, Bhuva Dharmesh D, Chen Jinjin, Li Mengbo, Lee Samuel C, Kharbanda Malvika, Cheng Jinming, Mohamed Ahmed, Kulasinghe Arutha, Chen Yunshun, Tan Chin Wee, Li Fuyi, Polo Jose M, Davis Melissa J
Аннотация
MOTIVATION: Understanding complex cellular neighborhoods has provided new insights into tissue biology. Accurate neighborhood identification is crucial, yet existing methods often focus on hard assignment and do not generate cell-specific neighborhood profiles at single-cell level.
RESULTS: We developed hoodscanR, a Bioconductor package identifying and analyzing cellular neighborhoods in spatial data. The central output of hoodscanR is a cell-level neighborhood probability profile, which represents partial membership of each cell across multiple annotation-defined neighborhoods. This probabilistic representation supports downstream analyses including neighborhood visualization, uncertainty assessment, neighborhood-based clustering and neighborhood-aware differential expression. Applying hoodscanR to breast and lung cancer datasets, we showcase its ability to characterize mixed tissue environments and identify transcriptional changes in tumor cells from distinct spatial neighborhoods.
AVAILABILITY: The hoodscanR package is publicly available in Bioconductor at https://bioconductor.org/packages/release/bioc/html/hoodscanR.html.
RESULTS: We developed hoodscanR, a Bioconductor package identifying and analyzing cellular neighborhoods in spatial data. The central output of hoodscanR is a cell-level neighborhood probability profile, which represents partial membership of each cell across multiple annotation-defined neighborhoods. This probabilistic representation supports downstream analyses including neighborhood visualization, uncertainty assessment, neighborhood-based clustering and neighborhood-aware differential expression. Applying hoodscanR to breast and lung cancer datasets, we showcase its ability to characterize mixed tissue environments and identify transcriptional changes in tumor cells from distinct spatial neighborhoods.
AVAILABILITY: The hoodscanR package is publicly available in Bioconductor at https://bioconductor.org/packages/release/bioc/html/hoodscanR.html.