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相关概念视频

The JAK-STAT Signaling Pathway01:20

The JAK-STAT Signaling Pathway

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Several cytokine receptors have tightly bound Janus kinase or JAK proteins attached at their cytosolic tail. Small signaling molecules such as cytokines, growth hormones, or prolactins bind to the cytokine receptors and initiate their dimerization. The dimerization brings the cytosolic JAKs together that trans-phosphorylate and activates each other. The activated JAKs now phosphorylate cytosolic tails of the cytokine receptors, which serve as binding sites for adaptor proteins such as  SH2...
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Combining two or more treatment methods increases the life span of cancer patients while reducing damage to vital organs or tissue from the overuse of a single treatment. Combination therapy also targets different cancer-inducing pathways, thus reducing the chances of developing resistance to treatment.
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
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The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
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相关实验视频

Updated: Jul 12, 2025

A Method for Screening and Validation of Resistant Mutations Against Kinase Inhibitors
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A Method for Screening and Validation of Resistant Mutations Against Kinase Inhibitors

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将机器学习与分子模拟相结合的工作流揭示了针对BTK和JAK3的潜在双重目标抑制剂.

Lu Liu1, Risong Na2, Lianjuan Yang3

  • 1Institute of Theoretical Chemistry, Jilin University, Changchun 130061, China.

Molecules (Basel, Switzerland)
|October 28, 2023
PubMed
概括

这项研究引入了一种新的计算管道,用于发现针对B细胞淋巴瘤的多目标药物. 该方法确定了一种有前途的双重抑制剂,针对布鲁顿.

关键词:
在BTK中,BTK是BTK.这就是JAK3的原因.这就是 SHAP SHAP 的意思.机器学习是机器学习.分子动力学模拟模拟虚拟选是虚拟的选.

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Incorporating Target Protein Structure Flexibility and Dynamics in Computational Drug Discovery Using Ensemble-Based Docking Analysis
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相关实验视频

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Incorporating Target Protein Structure Flexibility and Dynamics in Computational Drug Discovery Using Ensemble-Based Docking Analysis
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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
  • 药理学 药理学是指药理学的学科.

背景情况:

  • 传统药物开发面临着低成功率和多因素疾病的挑战.
  • 对于复杂的疾病,一种药物-一种标方法往往是不够的.
  • 多向药物提供了提高疗效和减少不良反应的潜力.

研究的目的:

  • 开发和验证用于识别多目标抑制剂的计算管道.
  • 发现布鲁顿氨酸激酶 (BTK) 和雅努斯激酶3 (JAK3) 的新型双抑制剂,作为B细胞淋巴瘤的治疗策略.

主要方法:

  • 采用了结合机器学习,SHapley添加式扩展 (SHAP) 和分子动力学模拟的管道.
  • 自然产品数据库被选为潜在的双重抑制剂.
  • 候选抑制剂被评估为药物吸收,分布,新陈代谢,分泌和毒性 (ADMET) 特性.

主要成果:

  • 管道成功确定了BTK和JAK3.3的潜在双重抑制剂.
  • 选了三种具有可接受ADMET特性的候选抑制剂.
  • 化合物CNP0266747被选为最佳选择,表现出有利的结合自由能量和针对BTK和JAK3.3的特定构造.

结论:

  • 开发的计算管道对于发现多目标抑制剂是有效的.
  • CNP0266747显示出作为B细胞淋巴瘤治疗的双重抑制剂的显著潜力.
  • 确定了促进抑制BTK和JAK3的关键残留物和分子特征.