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DeST-OT:时间空间转录学数据的对齐.

Peter Halmos1, Xinhao Liu1, Julian Gold2

  • 1Department of Computer Science, Princeton University, 35 Olden St., Princeton, NJ 08544, USA.

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|January 28, 2025
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概括
此摘要是机器生成的。

我们开发了一种新的方法,发育时空最佳运输 (DeST-OT),以在不同发育时间点对基因表达数据进行对齐. 这种工具有助于了解细胞如何在发育中的组织中生长和变化.

关键词:
调整对齐的情况发展发展发展发展发展.发育生物学是发展生物学.增长率是指增长率的增长率.最佳的运输最佳的运输.半放松的最佳运输方式空间分辨率的转录学时间空间时间空间.轨迹推断的推断是指轨迹的推断.

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科学领域:

  • 计算生物学是一种计算生物学.
  • 发育生物学是发展生物学.
  • 基因组学就是基因组学.

背景情况:

  • 空间解析转录组学 (SRT) 在组织内提供高分辨率的基因表达数据.
  • 来自不同发育阶段的SRT数据对于理解组织发育至关重要,但难以调整.
  • 现有的方法很难准确地模拟发育过程中发生的动态细胞过程.

研究的目的:

  • 引入一种新的计算方法,发育时空最佳传输 (DeST-OT),用于对齐时空转录学数据.
  • 为了使生物体发育过程中基因表达动态的分析.
  • 量化细胞过程,如生长,死亡和分化在发育的组织.

主要方法:

  • 开发了DeST-OT,一种利用半放松的最佳传输 (OT) 来调整时空转录学数据的方法.
  • 将细胞生长,死亡和分化纳入OT框架中的建模.
  • 导出了生长扭曲和细胞迁移的定量指标,以评估对齐的可信性.

主要成果:

  • DeST-OT成功地对准了来自发育中的小鼠脏和轴突大脑的时空转录学数据.
  • 与现有的对齐技术相比,该方法显示出更高的性能.
  • 来自DeST-OT的估计增长率为推动发展的基因表达程序提供了新的见解.

结论:

  • DeST-OT是一种有效的计算工具,用于分析发育转录组学数据.
  • 该方法准确地模拟细胞动态,并提供发育过程的定量测量.
  • DeST-OT有助于更深入地了解在发育过程中基因表达的空间和时间调节.