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相关概念视频

Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

1
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.
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Vaccinations01:51

Vaccinations

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Cancer Vaccines01:30

Cancer Vaccines

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Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
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Issues And Trends In Healthcare Delivery System01:29

Issues And Trends In Healthcare Delivery System

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The issues and trends in healthcare delivery are constantly changing. The COVID-19 pandemic is one recent issue that wreaked havoc on healthcare systems, causing a shortage of healthcare workers, high demand for medicines and supplies, and increased medical expenditure due to a lack of insurance. Other issues include rising healthcare costs and care fragmentation.
Cost Containment
Payment for healthcare services has historically promoted adoption of costly and often unnecessary or inefficient...
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Cross-reactivity00:42

Cross-reactivity

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Conjugated Proteins02:50

Conjugated Proteins

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Simple proteins and protein complexes contain only amino acids. In contrast, many other proteins, called conjugated proteins, covalently bond with non-protein moieties.
Nucleoproteins are protein complexes that contain nucleic acids, categorized as deoxyribonucleoproteins (DNPs) or ribonucleoproteins (RNPs) respectively. The nucleosome is a typical example of a DNP where nuclear DNA is associated with histone proteins. The major antigen for the Covid-19 virus SARS-CoV is an RNP that is critical...
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相关实验视频

Updated: Jun 7, 2025

Synthesis and Characterization of mRNA-Loaded PolyBeta Aminoesters Nanoparticles for Vaccination Purposes
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Synthesis and Characterization of mRNA-Loaded PolyBeta Aminoesters Nanoparticles for Vaccination Purposes

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COVID-19疫苗:当前和未来的挑战

Davood Mohammadi1, Matin Ghasemi2, Nahid Manouchehrian3

  • 1Isfahan University of Medical Sciences, Isfahan, Iran.

Frontiers in pharmacology
|November 21, 2024
PubMed
概括

本综述审查了COVID-19疫苗,包括其机制,好处和缺点. 它强调了实现群体免疫的挑战,并讨论了2019年新冠肺炎疫苗接种策略的未来.

关键词:
在 COVID-19 疫情中,冠状病毒病毒疾病 (COVID) -19免疫力是一种免疫力.接种疫苗 接种疫苗疫苗 疫苗 疫苗 疫苗

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科学领域:

  • 免疫学 免疫学 免疫学
  • 疫苗学 疫苗学 疫苗学
  • 公共卫生 公共卫生

背景情况:

  • 截至2020年12月,超过200种冠状病毒疾病2019 (COVID-19) 疫苗候选人正在开发中.
  • 多种疫苗平台,包括核酸,病毒载体,无活化,蛋白质子单元和活衰减,正在用于COVID-19疫苗开发.
  • SARS-CoV-2的尖端蛋白质是大多数COVID-19疫苗的主要目标.

研究的目的:

  • 审查目前可用的COVID-19疫苗的作用机制.
  • 介绍各种COVID-19疫苗模式的优缺点的基本数据.
  • 讨论COVID-19疫苗接种的未来前景,包括实现群体免疫的挑战.

主要方法:

  • 关于COVID-19疫苗的科学出版物和临床试验数据的文献综述.
  • 分析疫苗平台,有效性,安全性概况和部署策略.
  • 综合有关疫苗接种免疫反应和潜在需要增强剂的信息.

主要成果:

  • 几种COVID-19疫苗候选药物已经进入市场,证明了重要的科学成就.
  • 关键问题仍然是关于保护的持续时间,年龄特定的有效性,保护免受再感染,以及需要强剂的必要性.
  • 尽管疫苗开发迅速,全球群体免疫仍然是一个重大挑战.

结论:

  • 了解COVID-19疫苗的多种机制和特征对于有效的公共卫生战略至关重要.
  • 需要继续进行研究,以解决关于疫苗有效性和长期免疫力的剩余问题.
  • 解决疫苗获取和分发方面的挑战对于全球流行病控制至关重要.