Protocol to denoise spatially resolved transcriptomics data utilizing optimal transport-based gene filtering algorithm

Summary: Spatially resolved transcriptomics (SRT) data contain intricate noise due to the diffusion of transcripts caused by tissue fixation, permeabilization, and cell lysis during the experiment. Here, we present a protocol for denoising SRT data using SpotGF, an optimal transport-based gene filte...

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Main Authors: Lin Du, Jingmin Kang, Jie Li, Hua Qin, Yong Hou, Hai-Xi Sun
Format: Article
Language:English
Published: Elsevier 2025-03-01
Series:STAR Protocols
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Online Access:http://www.sciencedirect.com/science/article/pii/S2666166725000310
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author Lin Du
Jingmin Kang
Jie Li
Hua Qin
Yong Hou
Hai-Xi Sun
author_facet Lin Du
Jingmin Kang
Jie Li
Hua Qin
Yong Hou
Hai-Xi Sun
author_sort Lin Du
collection DOAJ
description Summary: Spatially resolved transcriptomics (SRT) data contain intricate noise due to the diffusion of transcripts caused by tissue fixation, permeabilization, and cell lysis during the experiment. Here, we present a protocol for denoising SRT data using SpotGF, an optimal transport-based gene filtering algorithm, without modifying the raw gene expression. We describe steps for data preparation, SpotGF score calculation, filtering threshold determination, denoised data generation, and visualization. Our protocol enhances SRT quality and improves the performance of downstream analyses.For complete details on the use and execution of this protocol, please refer to Du et al.1 : Publisher’s note: Undertaking any experimental protocol requires adherence to local institutional guidelines for laboratory safety and ethics.
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institution Kabale University
issn 2666-1667
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publishDate 2025-03-01
publisher Elsevier
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series STAR Protocols
spelling doaj-art-4ddaef7deb9c4303b1de977bf2bcb9fb2025-02-06T05:12:49ZengElsevierSTAR Protocols2666-16672025-03-0161103625Protocol to denoise spatially resolved transcriptomics data utilizing optimal transport-based gene filtering algorithmLin Du0Jingmin Kang1Jie Li2Hua Qin3Yong Hou4Hai-Xi Sun5College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China; BGI Research, Beijing 102601, ChinaBGI Research, Beijing 102601, China; BGI Research, Shenzhen 518083, ChinaBGI Research, Beijing 102601, ChinaBGI Research, Beijing 102601, ChinaCollege of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China; BGI Research, Shenzhen 518083, ChinaCollege of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China; BGI Research, Beijing 102601, China; BGI Research, Shenzhen 518083, China; Corresponding authorSummary: Spatially resolved transcriptomics (SRT) data contain intricate noise due to the diffusion of transcripts caused by tissue fixation, permeabilization, and cell lysis during the experiment. Here, we present a protocol for denoising SRT data using SpotGF, an optimal transport-based gene filtering algorithm, without modifying the raw gene expression. We describe steps for data preparation, SpotGF score calculation, filtering threshold determination, denoised data generation, and visualization. Our protocol enhances SRT quality and improves the performance of downstream analyses.For complete details on the use and execution of this protocol, please refer to Du et al.1 : Publisher’s note: Undertaking any experimental protocol requires adherence to local institutional guidelines for laboratory safety and ethics.http://www.sciencedirect.com/science/article/pii/S2666166725000310BioinformaticsHealth SciencesSystems biologyComputer sciences
spellingShingle Lin Du
Jingmin Kang
Jie Li
Hua Qin
Yong Hou
Hai-Xi Sun
Protocol to denoise spatially resolved transcriptomics data utilizing optimal transport-based gene filtering algorithm
STAR Protocols
Bioinformatics
Health Sciences
Systems biology
Computer sciences
title Protocol to denoise spatially resolved transcriptomics data utilizing optimal transport-based gene filtering algorithm
title_full Protocol to denoise spatially resolved transcriptomics data utilizing optimal transport-based gene filtering algorithm
title_fullStr Protocol to denoise spatially resolved transcriptomics data utilizing optimal transport-based gene filtering algorithm
title_full_unstemmed Protocol to denoise spatially resolved transcriptomics data utilizing optimal transport-based gene filtering algorithm
title_short Protocol to denoise spatially resolved transcriptomics data utilizing optimal transport-based gene filtering algorithm
title_sort protocol to denoise spatially resolved transcriptomics data utilizing optimal transport based gene filtering algorithm
topic Bioinformatics
Health Sciences
Systems biology
Computer sciences
url http://www.sciencedirect.com/science/article/pii/S2666166725000310
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