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STGNET: extending panel coverage in imaging-based spatial transcriptomics using deep generative adversarial networks

delete2026-03-01
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PRE
AI
T
Tao Wang *
W
Wang, Bingtao
H
Han Shu
P
Peimeng Zhen
J
Jialu Hu
Y
Yongtian Wang
J
Jiajie Peng
S
Shang, Xuequn
W
Wu, Zhiyuan *
X
Xiao, Bing *
J
Jing Chen *
DOI:10.1093/bib/bbag122delete
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摘要

摘要

En 中文
基于成像的空间转录组学(ST)技术为在完整组织中绘制基因表达提供了无与伦比的分辨率,但其根本受限于基因面板尺寸的有限性。这一限制通过忽略分析中可能至关重要的基因,阻碍了全面的生物学发现。为克服此限制,我们引入了STGNET,一种通过整合生成对抗网络(GAN)与图神经网络来扩展基因面板覆盖范围的深度学习框架。STGNET采用多阶段GAN从单细胞RNA测序数据中学习全局转录组分布,随后利用具备空间感知的图卷积网络,通过建模物理细胞邻近性和转录相似性来优化数据补充。我们在九个不同的ST数据集上严格地将STGNET与七种最先进方法进行了基准测试。STGNET始终表现出更优性能,显示出在基因补充方面更高的准确性,并出色地保留了细胞拓扑结构。我们进一步展示了其生物学应用价值:在准确重建小鼠胚胎发育的发育标记模式、揭示乳腺癌进展中的新型过渡细胞状态以及揭示小鼠大脑中广泛且先前被遮蔽的细胞间通讯网络方面。STGNET为释放靶向ST检测的潜力提供了强大且稳健的解决方案,从而实现更深入和更全面的空间生物学研究。STGNET可免费访问于https://github.com/wuyuanwuhuii/STGNET。
Keyword:
imaging-based spatial transcriptomics
generative adversarial networks
graph convolutional network
gene panel imputation

期刊

Briefings in Bioinformatics 封面图
Briefings in Bioinformatics
IF:
7.7
论文数:
5.8K
被引数:
2.7W

机构

N
northwestern polytechnical university
学者数:
1.3W
论文数: 4.6K
被引数: 0
B
beijing hospital
学者数:
453
论文数: 157
被引数: 8
C
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