Collaborative Research: Cross Species Analysis of Biological Systems Using Expression Data

合作研究:使用表达数据对生物系统进行跨物种分析

基本信息

  • 批准号:
    0965316
  • 负责人:
  • 金额:
    $ 72.11万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2010
  • 资助国家:
    美国
  • 起止时间:
    2010-07-01 至 2014-06-30
  • 项目状态:
    已结题

项目摘要

Cross species analysis of biological systems using expression dataCarnegie Mellon University and the University of Pittsburgh are awarded a grant to develop and implement algorithms and software tools for the analysis of gene expression experiments that study the same biological system in multiple species. Biological systems, including the cell division process which plays a major role in development and cancer, immune response and circadian rhythm (which governs our behavior over the course of a day) are similarly activated across many different species. Indeed, much of the progress in understanding these systems was achieved by studying their behavior in model organisms. When using expression experiments, which measure the level of genes at different time points and in different conditions, to study these systems, researchers often identify hundreds, or even thousands, of genes as being expressed in each of the species. This makes it hard to analyze the resulting sets and to accurately identify genes that control key aspects of the system. In addition, our ability to correctly detect interactions among these genes is greatly reduced since many potential interactions can be used to explain the observed expression values. This joint computational-experimental project will allow us to identify a core set of genes; genes which are conserved in both sequence and expression across multiple species. These genes represent key components of the biological system, are essential to its proper maintenance and function and would be used for further studies and for initial modeling. Predictions made by our method for these systems will be validated by new biological experiments which will in turn be used to further refine the computational model leading to a computational-experimental loop. As part of the proposal we will also develop an open source software package for cross species expression analysis. We will also develop and offer a new class on the analysis and use of cross species genomics data.
使用表达数据进行生物系统的跨物种分析卡内基梅隆大学和匹兹堡大学获得了一笔赠款,用于开发和实施用于分析基因表达实验的算法和软件工具,这些实验研究多个物种中的相同生物系统。生物系统,包括在发育和癌症中起主要作用的细胞分裂过程,免疫反应和昼夜节律(控制我们一天中的行为)在许多不同的物种中也被类似地激活。事实上,理解这些系统的大部分进展都是通过研究它们在模式生物中的行为来实现的。当使用表达实验来测量不同时间点和不同条件下的基因水平来研究这些系统时,研究人员通常会识别出数百甚至数千个基因在每个物种中表达。这使得分析结果集和准确识别控制系统关键方面的基因变得困难。此外,我们正确检测这些基因之间相互作用的能力大大降低,因为许多潜在的相互作用可以用来解释观察到的表达值。 这个联合计算实验项目将使我们能够确定一组核心基因;在多个物种中序列和表达都保守的基因。这些基因代表了生物系统的关键组成部分,对生物系统的正常维护和功能至关重要,将用于进一步研究和初步建模。我们的方法对这些系统的预测将通过新的生物实验进行验证,这些实验将用于进一步完善计算模型,从而形成计算-实验循环。作为提案的一部分,我们还将开发一个用于跨物种表达分析的开源软件包。我们还将开发和提供一个新的类对跨物种基因组学数据的分析和使用。

项目成果

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Ziv Bar-Joseph其他文献

Identifying indications for novel drugs using electronic health records
  • DOI:
    10.1016/j.compbiomed.2024.109158
  • 发表时间:
    2024-12-01
  • 期刊:
  • 影响因子:
  • 作者:
    Lukas Adamek;Greg Padiasek;Chaorui Zhang;Ingrid O’Dwyer;Nicolas Capit;Flavio Dormont;Ramon Hernandez;Ziv Bar-Joseph;Brandon Rufino
  • 通讯作者:
    Brandon Rufino
Studying and modelling dynamic biological processes using time-series gene expression data
利用时间序列基因表达数据研究和模拟动态生物过程
  • DOI:
    10.1038/nrg3244
  • 发表时间:
    2012-07-18
  • 期刊:
  • 影响因子:
    52.000
  • 作者:
    Ziv Bar-Joseph;Anthony Gitter;Itamar Simon
  • 通讯作者:
    Itamar Simon
Computational discovery of gene modules and regulatory networks
基因模块和调控网络的计算发现
  • DOI:
    10.1038/nbt890
  • 发表时间:
    2003-10-12
  • 期刊:
  • 影响因子:
    41.700
  • 作者:
    Ziv Bar-Joseph;Georg K Gerber;Tong Ihn Lee;Nicola J Rinaldi;Jane Y Yoo;François Robert;D Benjamin Gordon;Ernest Fraenkel;Tommi S Jaakkola;Richard A Young;David K Gifford
  • 通讯作者:
    David K Gifford

Ziv Bar-Joseph的其他文献

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{{ truncateString('Ziv Bar-Joseph', 18)}}的其他基金

Collaborative Research: RECODE: Directed Differentiation of Human Liver Organoids via Computational Analysis and Engineering of Gene Regulatory Networks
合作研究:RECODE:通过基因调控网络的计算分析和工程定向分化人类肝脏类器官
  • 批准号:
    2134998
  • 财政年份:
    2022
  • 资助金额:
    $ 72.11万
  • 项目类别:
    Standard Grant
Collaborative Research: ABI Innovation: BCSP: Understanding the design and usage of distributed biological networks
合作研究:ABI 创新:BCSP:了解分布式生物网络的设计和使用
  • 批准号:
    1356505
  • 财政年份:
    2014
  • 资助金额:
    $ 72.11万
  • 项目类别:
    Continuing Grant
2nd Workshop on Biological Distributed Algorithms (BDA 2014)
第二届生物分布式算法研讨会(BDA 2014)
  • 批准号:
    1443291
  • 财政年份:
    2014
  • 资助金额:
    $ 72.11万
  • 项目类别:
    Standard Grant
I-Corps: ExpressionBlast
I军团:ExpressionBlast
  • 批准号:
    1242525
  • 财政年份:
    2012
  • 资助金额:
    $ 72.11万
  • 项目类别:
    Standard Grant
CAREER: Modeling Dynamic Systems in the Cell
职业:细胞内动态系统建模
  • 批准号:
    0448453
  • 财政年份:
    2005
  • 资助金额:
    $ 72.11万
  • 项目类别:
    Continuing Grant

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