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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

Drug Discovery: Overview

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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

Drug Administration and Therapy Phases: Overview

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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

In Vitro Drug Release Testing: Overview, Development and Validation

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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

Drug Regulation

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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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相关实验视频

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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

Noor Salaymeh1, Akash G Patel1, Pramod N Nehete2

  • 1NYU Grossman School of Medicine, New York, NY, USA.

Alzheimer's & dementia : the journal of the Alzheimer's Association
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概括
此摘要是机器生成的。

这项研究表明,CpG-ODN 1018是一种安全的免疫调节方法,用于治疗非人类灵长类动物 (NHPs) 的脑衰老和与痴呆相关的病理,如脑粉样血管病变 (CAA). 进一步的研究将验证其临床应用.

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In Vitro Three-Dimensional Sprouting Assay of Angiogenesis Using Mouse Embryonic Stem Cells for Vascular Disease Modeling and Drug Testing
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科学领域:

  • 神经科学是一个神经科学.
  • 免疫学 免疫学 免疫学
  • 老年学是一门学科.

背景情况:

  • 非人类灵长类动物 (NHPs) 是大脑衰老研究的关键模型,特别是对于在动物中不太代表的疾病.
  • 之前已经证明,患有偶发性阿尔茨海默病 (AD) 相关病理和脑粉样血管病变 (CAA) 的松鼠 (SQM) 从TLR9激动剂CpG-ODN 2006中受益.
  • CpG-ODN 1018在临床试验中具有良好的安全记录,被选中用于评估其在改善痴呆相关病理方面的有效性和安全性.

研究的目的:

  • 在NHP模型中评估CpG-ODN 1018的免疫刺激模式.
  • 通过行为测量和液体/成像生物标志物来监测疾病进展.
  • 评估CpG-ODN 1018在改善AD相关病理方面的安全性和有效性,特别是CAA.

主要方法:

  • 老年SQM每5周接受CpG-ODN或盐水注射一次.
  • 使用纳米链nCounter系统分析了免疫反应.
  • 使用SIMOA和Luminex测量了血和CSF生物标志物 (AD病变,神经退行,神经炎症).
  • 用基于触摸屏的自动认知测试系统 (ACTS) 评估认知功能.

主要成果:

  • 使用CpG-ODN可调节IFN诱导和细胞因子-化学因子基因 (例如IFIT2,Mx2/MxB,GBP1,MIG,IP10,MCP1).
  • 预先进行生物标志物分析 (Ab40,Ab42,NfL,GFAP等) 没有显示出群体之间或随着时间的推移有显著差异.
  • 在SQM中,ACTS显示了纵向认知监测的潜力;没有观察到与粉样蛋白相关的成像异常 (ARIA),证实了安全性.

结论:

  • CpG-ODN 1018表现出免疫刺激作用,在NHP中是安全的,没有观察到ARIA.
  • 这项研究支持免疫调节作为痴呆症相关病理,特别是CAA,安全治疗策略的概念.
  • 进一步验证CpG-ODN 1018在治疗痴呆症中的潜在临床应用是有必要的.