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相关概念视频

Predicting Molecular Geometry02:27

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The interval estimate of any variable is known as the prediction interval. It helps decide if a point estimate is dependable.
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Immunoglobulin-like cell adhesion molecules or Ig-CAMs are a versatile group of cell surface glycoproteins belonging to the immunoglobulin protein superfamily. Ig-CAMs possess the characteristic immunoglobulin protein domains and other domains such as the fibronectin type III domain. The Ig domains are glycosylated to varying degrees in different Ig-CAMs.
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计数细胞可以准确预测小分子生物活性基准.

Srijit Seal1,2, William Dee3, Adit Shah4

  • 1Department of Chemistry, University of Cambridge, Cambridge, UK. srijit@understanding.bio.

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概括
此摘要是机器生成的。

许多生物活性测定被细胞健康人工物所损害,使它们对药物开发不可靠. 我们建议过这些测试,并使用细胞计数基线来准确评估预测模型,发现细胞绘画配置文件优越.

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科学领域:

  • 计算化学是一种计算化学.
  • 药物发现 药物发现
  • 生物信息学是一种生物信息学.

背景情况:

  • 准确预测化学生物活性对于有效的药物开发至关重要.
  • 广泛使用的生物活性测试的基准数据集通常包含与细胞健康和细胞毒性相关的测试.
  • 许多表型分析被影响细胞数量的活性化合物所混,而非活性化合物则没有.

研究的目的:

  • 为了识别和减轻生物活性测试基准中的偏差.
  • 为了评估表型特征 (mRNA,细胞绘制) 的附加值,而不仅仅是简单的细胞计数.
  • 建议在药物发现中对机器学习模型进行基准测试的最佳实践.

主要方法:

  • 建议对基准数据集进行过,以排除细胞健康和细胞毒性测试.
  • 实施细胞计数基线模型进行比较.
  • 使用24个蛋白质标测试的基准.
  • 使用基于图像的Cell Painting配置文件对细胞计数基线进行模型性能比较.

主要成果:

  • 细胞计数在许多现有基准测试中提供了意想不到的高性能,掩盖了其他特征的真正预测能力.
  • 利用 Cell Painting 基于图像的配置文件的模型在 24 个蛋白质标测试的基准测试中显著超过了细胞计数基线.
  • 这项研究强调了需要仔细的基准策划和基线纳入的需要.

结论:

  • 标准生物活性测试基准要求过以删除混的细胞健康和细胞毒性测试.
  • 基于Cell Painting图像的配置文件提供了比简单的细胞计数之外的生物活性有价值的预测信息.
  • 提供了对机器学习模型在药物发现中的强大基准测试的建议,以评估各种数据类型的实用性.