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相关概念视频

Ribosome Profiling02:24

Ribosome Profiling

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Ribosome profiling or ribo-sequencing is a deep sequencing technique that produces a snapshot of active translation in a cell. It selectively sequences the mRNAs protected by ribosomes to get an insight into a cell’s translation landscape at any given point in time.
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
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In eukaryotes, transcription and translation are compartmentalized; an mRNA is first synthesized in the nucleus and then selectively transported to the cytoplasm for protein synthesis. Before transport, a pre-mRNA undergoes several steps of post-transcriptional modifications including splicing, 5' capping, and the addition of a poly-adenine tail. Various proteins bind to the pre-mRNA during these modifications. The mRNA transport takes place with the help of multiple proteins playing...
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RNA-seq03:21

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RNA sequencing, or RNA-Seq, is a high-throughput sequencing technology used to study the transcriptome of a cell. Transcriptomics helps to interpret the functional elements of a genome and identify the molecular constituents of an organism. Additionally, it also helps in understanding the development of an organism and the occurrence of diseases. 
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Experimental RNAi02:15

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RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. The mechanism was discovered by Andrew Fire and Craig Mello in 1998 in plants. Today, it is observed in almost all eukaryotes, including protozoa, flies, nematodes, insects, parasites, and mammals. This precise cellular mechanism of gene silencing has been developed into a technique that provides an efficient way to identify and determine the...
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相关实验视频

Updated: Jun 24, 2025

Author Spotlight: Impact of Intergenic Interactions on Disease-Identifying Dark Biomarkers
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HE2Gene:通过多任务学习进行图像到RNA的翻译,用于空间转录组学数据.

Xingjian Chen1,2, Jiecong Lin3,4, Yuchen Wang2

  • 1Cutaneous Biology Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02129, USA.

Bioinformatics (Oxford, England)
|June 5, 2024
PubMed
概括
此摘要是机器生成的。

HE2Gene从H&E图像中预测成千上万的基因表达和病理注释,推进空间分子分析. 这种方法为生物标志物发现和癌症诊断提供了具有成本效益和效率的方法.

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Spatial Profiling of Protein and RNA Expression in Tissue: An Approach to Fine-Tune Virtual Microdissection
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Real-time Imaging of Single Engineered RNA Transcripts in Living Cells Using Ratiometric Bimolecular Beacons
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Spatial Profiling of Protein and RNA Expression in Tissue: An Approach to Fine-Tune Virtual Microdissection
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Real-time Imaging of Single Engineered RNA Transcripts in Living Cells Using Ratiometric Bimolecular Beacons
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科学领域:

  • 计算生物学是一种计算生物学.
  • 基因组学就是基因组学.
  • 病理学 病理学 病理学

背景情况:

  • 空间分子分析将组织形态和基因表达联系起来,但成本高且耗时.
  • 现有的计算工具具有有限的基因预测能力,并且通常是为批量RNA-seq.设计的.

研究的目的:

  • 介绍HE2Gene,一种新的多任务学习方法,用于从H&E染色图像中预测基因表达和病理注释.
  • 在成本,时间和分析范围方面克服当前空间分子分析技术的局限性.

主要方法:

  • HE2Gene利用多任务学习来预测数以万计的点级基因表达.
  • 该方法分析了标准的血素和 (H&E) 染色图像.
  • 它将病理学注释与基因表达预测相结合.

主要成果:

  • HE2Gene的性能与最先进的方法相美.
  • 该模型在没有重新培训的情况下对外部数据集进行了强有力的概括.
  • 它成功地保存了注释的空间域,并识别了潜在的生物标志物.

结论:

  • HE2Gene提供了一种强大且易于使用的工具,用于从组织学图像中预测空间基因表达.
  • 该方法在推进癌症诊断和探索基因疾病关联方面具有重大潜力.
  • 它通过利用标准基因病理学数据来民主化空间转录学分析.