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相关概念视频

Preclinical Development: Overview01:28

Preclinical Development: Overview

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Preclinical development consists of a series of tests that ensure the safety and efficacy of a new therapeutic compound before it is tested in humans. There are four main phases to this process. First, safety pharmacology tests are conducted to ensure the drug does not produce any acutely harmful effects. These tests examine parameters such as bronchoconstriction, cardiac dysrhythmias, blood pressure changes, and ataxia. Next, preliminary toxicological testing is performed to determine the...
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Clinical Trials: Overview01:11

Clinical Trials: Overview

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Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
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Drug Discovery: Overview01:26

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Drug discovery is a multifaceted process involving extensive screening, testing, and optimization of lead compounds to identify potential new drugs for therapeutic use. It combines several approaches, including screening large numbers of natural products, chemical modification of known active molecules, identification of new drug targets, and rational design based on biological mechanisms and drug-receptor structure. These approaches are carried out in both academic research laboratories and...
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Drug Administration and Therapy Phases: Overview01:26

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Drugs, the chemical agents used in diagnosing, treating, or preventing diseases, undergo a four-phase process of development: pharmaceutic, pharmacokinetics, pharmacodynamics, and therapeutic.
The pharmaceutical phase focuses on leveraging the physicochemical properties of the drug to design and manufacture an effective product. Variants include orally administered tablets or capsules, topical creams or ointments, and parenteral-delivery solutions or emulsions.
The pharmacokinetic phase...
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In Vitro Drug Release Testing: Overview, Development and Validation01:10

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In vitro dissolution and drug release tests assess how quickly and how much of a drug is released from its dosage form into an aqueous medium under standardized laboratory conditions. These tests are essential tools in pharmaceutical development and quality assurance, offering insight into the drug's performance before clinical use.During formulation development, dissolution testing identifies incomplete or inconsistent drug release issues. It also supports decisions on selecting the optimal...
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Drug Regulation01:25

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Drug regulation encompasses the management of drug usage by evaluating its safety and efficacy through assessments conducted by regulatory authorities. Regrettably, the history of drug regulation is marred by several catastrophic events. One such incident is the Elixir Sulfanilamide tragedy, in which the toxic compound diethyl glycol was included in a sweet-tasting medication, leading to numerous fatalities. This event prompted the enactment of the Food, Drug, and Cosmetic Act in 1938. Under...
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Drug Repurposing Hypothesis Generation Using the "RE:fine Drugs" System
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药物开发 药物开发

Noah J Lorincz-Comi1, Feixiong Cheng2, Wenqiang Song3

  • 1Cleveland Clinic, Cleveland, OH, USA.

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概括

这项研究引入了一种新的基因测试,使用遗传和多原子数据找到阿尔茨海默病 (AD) 药物标. 它确定了151个潜在的目标,包括NTRK1,它在减少病理方面表现有前途.

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科学领域:

  • 遗传学 是一个遗传学.
  • 神经科学是一个神经科学.
  • 药理学 药理学是指药理学的学科.

背景情况:

  • 全基因组关联研究 (GWAS) 在确定阿尔茨海默病 (AD) 药物点方面存在局限性.
  • 基于基因的关联测试提供了比基于单核酸多态 (SNP) 的方法更大的统计能力.
  • 现有的基于基因的方法不能充分利用来自相关组织的功能数据.

研究的目的:

  • 开发和应用一种基于基因的新型关联测试 (GenT) 进行AD药物标的高效全基因组查.
  • 将多原子数据与大型GWAS数据集成,以加强目标识别.
  • 为了实验验证候选AD药物标.

主要方法:

  • 开发了GenT,一种基于基因的关联测试,将多原子数据 (eQTL,pQTL) 与AD GWAS数据集成在一起.
  • 应用GenT分析了多达18,273个基因,使用来自ROSMAP,MetaBrain和GTEx队伍的数据.
  • 实验验证的候选点在体外使用AD患者衍生的iPSC神经元.

主要成果:

  • 确定了151个可用药物的,可能导致AD的基因,包括RIPK2,NTRK1和RIOK1,SNP-based GWAS没有发现.
  • 发现了103个eQTL相关基因和74个pQTL相关基因,其中26个是共享的.
  • 证明了一种NTRK1抑制剂显著降低了AD iPSC神经元中的陶过酸化.

结论:

  • 基于基因的关联测试整合多原子数据是AD药物标发现的强大策略.
  • 这种方法比传统的基于SNP的推理提供了优势,其统计能力较低.
  • 这些发现支持使用人类遗传和基因组数据来识别和验证AD治疗方法.