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作者:

Huo, Yuying (Huo, Yuying.) | Guo, Yilang (Guo, Yilang.) | Wang, Jiakang (Wang, Jiakang.) | Xue, Huijie (Xue, Huijie.) | Feng, Yujuan (Feng, Yujuan.) | Chen, Weizheng (Chen, Weizheng.) | Li, Xiangyu (Li, Xiangyu.)

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Scopus SCIE

摘要:

Recent advances in spatially resolved transcriptomic technologies have enabled unprecedented opportunities to elucidate tissue architecture and function in situ. Spatial transcriptomics can provide multimodal and complementary information simultaneously, including gene expression profiles, spatial locations, and histology images. However, most existing methods have limitations in efficiently utilizing spatial information and matched high-resolution histology images. To fully leverage the multi-modal information, we propose a SPAtially embedded Deep Attentional graph Clustering (SpaDAC) method to identify spatial domains while reconstructing denoised gene expression profiles. This method can efficiently learn the low- dimensional embeddings for spatial transcriptomics data by constructing multi-view graph modules to capture both spatial location connectives and morphological connectives. Benchmark results demonstrate that SpaDAC outperforms other algorithms on several recent spatial transcriptomics datasets. SpaDAC is a valuable tool for spatial domain detection, facilitating the comprehension of tissue architecture and cellular microenvironment. The source code of SpaDAC is freely available at Github (https://github.com/huoyuying/SpaDAC. git).

关键词:

Graph attention network Multi-modal integration Spatial transcriptomics Spatial domain detection

作者机构:

  • [ 1 ] [Huo, Yuying]Beijing Jiaotong Univ, Sch Software Engn, Beijing 100044, Peoples R China
  • [ 2 ] [Guo, Yilang]Beijing Jiaotong Univ, Sch Software Engn, Beijing 100044, Peoples R China
  • [ 3 ] [Wang, Jiakang]Beijing Jiaotong Univ, Sch Software Engn, Beijing 100044, Peoples R China
  • [ 4 ] [Xue, Huijie]Beijing Jiaotong Univ, Sch Software Engn, Beijing 100044, Peoples R China
  • [ 5 ] [Li, Xiangyu]Beijing Jiaotong Univ, Sch Software Engn, Beijing 100044, Peoples R China
  • [ 6 ] [Feng, Yujuan]Beijing Univ Technol, Sch Software Engn, Beijing 100124, Peoples R China
  • [ 7 ] [Chen, Weizheng]Baidu Inc, Beijing 100193, Peoples R China

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来源 :

JOURNAL OF GENETICS AND GENOMICS

ISSN: 1673-8527

年份: 2023

期: 9

卷: 50

页码: 720-733

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