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相关概念视频

Drug Delivery: Overview01:16

Drug Delivery: Overview

708
The selection of a drug's delivery route depends upon its physicochemical properties, including lipid or water solubility and ionization, as well as the therapeutic requirement, such as immediate or sustained effect. These routes can be divided into three primary categories: enteral, parenteral, and topical.
Enteral delivery involves administering drugs directly through swallowing, sublingual placement, or buccal application. Orally administered drugs predominantly navigate the...
708
Drug Delivery: Miscellaneous Routes01:22

Drug Delivery: Miscellaneous Routes

699
Drug delivery methods like oral inhalation, nasal sprays, transdermal patches, eye drops, intravitreal injection,  and rectal administration provide localized effects with reduced toxicity.
Oral inhalation and nasal sprays swiftly transfer drugs across the respiratory epithelium's mucosal layer. Inhaled glucocorticoids and bronchodilators directly target lung conditions such as asthma, while fluticasone nasal spray mitigates allergic rhinitis.
Transdermal patches transport drugs...
699
Bioavailability Enhancement: Drug Stability Enhancement and GI Retention01:05

Bioavailability Enhancement: Drug Stability Enhancement and GI Retention

186
Body:Improving a drug's stability in the gastrointestinal (GI) tract is paramount for enhancing its bioavailability and therapeutic effectiveness. Various strategies are employed to protect the drug from the harsh gastric milieu and to ensure its release and absorption at the desired site within the GI tract.Polymer coatings are one such method used to shield drugs from the stomach's acidic environment. By preventing premature drug release, these coatings improve the bioavailability of unstable...
186

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相关实验视频

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模块化平台用于使用三功能生物直角宏分子合物的治疗药物输送.

Danmeng Luo1, Ning Wang1, Hannah Major-Monfried1,2

  • 1Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, New York 10021, United States.

Bioconjugate chemistry
|November 10, 2025
PubMed
概括
此摘要是机器生成的。

研究人员开发了一个模块化平台,用于创建多功能宏分子合物 (BMC). 这项技术可以为各种生物医学应用提供精确的治疗方法,包括基因编辑工具.

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Genetic Encoding of a Non-Canonical Amino Acid for the Generation of Antibody-Drug Conjugates Through a Fast Bioorthogonal Reaction
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科学领域:

  • 生物结合化学 生物结合化学
  • 药物输送系统 药物输送系统
  • 分子医学是分子医学.

背景情况:

  • 针对性地提供宏分子疗法在调节蛋白质-蛋白质相互作用和基因组编辑方面比小分子具有优势.
  • 这些大型分子的高效,安全和细胞特异性输送仍然是治疗开发的重大障碍.

研究的目的:

  • 开发一个模块化平台,用于合成异构三功能生物直角宏分子合物 (BMC).
  • 为了实现各种生物医学应用的多种生物活性货物的可定制和高效的交付.

主要方法:

  • 通过结合向配体,细胞透 (CPP) 和生物活性载体,设计异构三功能生物直角宏分子合物 (BMC).
  • 利用易于生物结合的化学方法合成BMC,提高产量,结构完整性和活性.
  • 纳入各种各样的组件,如抗体,受体连接体,CPP,光学探针,类模拟剂和CRISPR-Cas9核酶到BMC中.

主要成果:

  • 证明了BMCs能够促进光标记货物的内体体逃逸和细胞内积累的能力.
  • 展示了型MYB转录因子抑制剂BMCs对急性髓性白血病细胞的强有力的抗白血病活性.
  • 使用CRISPR-Cas9 BMCs在人类细胞中实现了快速传递和细胞类型特定的基因编辑.

结论:

  • 开发的模块化BMC平台允许可定制的功能性大分子的交付.
  • BMCs代表了一个广泛适用的平台,具有推动生物医学应用的巨大潜力,包括向治疗和基因编辑.