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相关概念视频

Vaccinations01:51

Vaccinations

Overview
Tumor Immunotherapy01:27

Tumor Immunotherapy

Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
Drug Delivery: Miscellaneous Routes01:22

Drug Delivery: Miscellaneous Routes

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 through the...
Drug Accumulation During Multiple Dosing: Repetitive IV Injections01:21

Drug Accumulation During Multiple Dosing: Repetitive IV Injections

Calculating drug dosage and accumulation in multiple-dose regimens is crucial for achieving therapeutic efficacy while avoiding toxicity. This involves determining the plasma drug concentrations over time to optimize dosing schedules. The principle of superposition is fundamental in this process, allowing for the prediction of drug concentration in plasma following multiple doses based on single-dose data.The principle of superposition asserts that the plasma concentration-time curves from...
Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
Vaccines01:21

Vaccines

Vaccines are among the most effective tools in preventive medicine, designed to prepare the immune system to recognize and combat infectious agents. By introducing antigens—substances that the immune system identifies as foreign—vaccines stimulate an adaptive immune response that leads to immunological memory. This immunological memory enables the body to mount a faster and more effective response upon future exposures to the actual pathogen.Vaccines can be categorized based on the type of...

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相关实验视频

Updated: May 13, 2026

Myeloid Cell Isolation from Mouse Skin and Draining Lymph Node Following Intradermal Immunization with Live Attenuated Plasmodium Sporozoites
08:46

Myeloid Cell Isolation from Mouse Skin and Draining Lymph Node Following Intradermal Immunization with Live Attenuated Plasmodium Sporozoites

Published on: May 18, 2016

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与常规注射相容的核心外微囊可通过单次注射实现针对疟疾的首发/增强免疫.

Romain Guyon1,2, Sören Reinke1, Adam Truby1

  • 1Jenner Institute, Old Road Campus Research Building, University of Oxford, Roosevelt Drive, Oxford, OX3 7DQ, UK.

Science translational medicine
|June 25, 2025
PubMed
概括

一个新型的微流体平台使得R21疟疾疫苗的单次注射主要增强疫苗接种成为可能. 这种方法有望提高免疫运动的成功率和全球卫生干预措施.

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科学领域:

  • 免疫学 免疫学 免疫学
  • 疫苗技术技术 疫苗技术
  • 疟疾研究 疟疾研究

背景情况:

  • 增剂疫苗的接种对于免疫运动的成功至关重要,如R21疟疾疫苗的挑战所示.
  • 在一次注射中注射初级剂量和强剂量将显著提高疫苗接种效率和患者的结果.

研究的目的:

  • 开发一个可扩展的平台,用于延迟R21疟疾疫苗的提升剂量.
  • 评估使用微封装疫苗技术的单次注射主要提升策略的有效性.

主要方法:

  • 利用基于芯片的微流体来封装R21疟疾疫苗在设计用于延迟释放的聚合物微囊中.
  • 在小鼠模型中,与原始疫苗剂量同时注射微囊.
  • 评估了抗体反应和抗疟疾保护功效.

主要成果:

  • 同时注射微囊和R21疫苗在小鼠中引起了强大的抗体反应.
  • 单次注射主要提升策略提供了标准主要提升计划提供的85%的保护.
  • 微囊平台展示了可扩展性和易于注射的功能.

结论:

  • 一个基于微流体的延迟释放平台为R21疟疾疫苗的一次性首发激活疫苗接种提供了可行的解决方案.
  • 这项技术有可能提高疟疾疫苗宣传活动的有效性,并加速全球卫生干预.
  • 需要进一步的研究来证实这些发现在人体试验中.