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Related Concept Videos

Protein Complex Assembly02:41

Protein Complex Assembly

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Proteins can form homomeric complexes with another unit of the same protein or heteromeric complexes with different types.  Most protein complexes self-assemble spontaneously via ordered pathways, while some proteins need assembly factors that guide their proper assembly. Despite the crowded intracellular environment, proteins usually interact with their correct partners and form functional complexes.
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Initiation of Translation02:33

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Initiating translation is complex because it involves multiple molecules. Initiator tRNA, ribosomal subunits, and eukaryotic initiation factors (eIFs) are all required to assemble on the initiation codon of mRNA. This process consists of several steps that are mediated by different eIFs.
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Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

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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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Leaky Scanning02:28

Leaky Scanning

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During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA.  Marilyn Kozak discovered that the sequence RCCAUGG (where R...
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Related Experiment Video

Updated: Nov 22, 2025

Production of E. coli-expressed Self-Assembling Protein Nanoparticles for Vaccines Requiring Trimeric Epitope Presentation
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Production of E. coli-expressed Self-Assembling Protein Nanoparticles for Vaccines Requiring Trimeric Epitope Presentation

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Self-assembled mRNA vaccines.

Jeonghwan Kim1, Yulia Eygeris1, Mohit Gupta1

  • 1Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Robertson Life Science Building, 2730 South Moody Avenue, Portland, Oregon 97201, USA.

Advanced Drug Delivery Reviews
|January 5, 2021
PubMed
Summary
This summary is machine-generated.

Messenger RNA (mRNA) vaccines are now leading the COVID-19 vaccine race. This review covers mRNA vaccine design, self-assembly into nanoparticles, and key factors for successful vaccination.

Keywords:
COVID-19Gene deliveryImmunizationLipid nanoparticlesSelf-assemblymRNA delivery

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Area of Science:

  • Vaccinology and Nanotechnology
  • RNA Therapeutics

Background:

  • Messenger RNA (mRNA) vaccines have transitioned from niche research to prominent COVID-19 vaccine candidates.
  • Advances in RNA technology, vaccinology, and nanotechnology are driving interest in safe and effective mRNA therapeutics.

Purpose of the Study:

  • To review the design and self-assembly principles of mRNA vaccines.
  • To highlight materials, optimization strategies, and administration considerations for mRNA delivery.
  • To examine current COVID-19 mRNA vaccines in clinical trials.

Main Methods:

  • Discussion of self-assembly for creating nanoparticles with tunable properties.
  • Review of commonly used materials for mRNA delivery and their characteristics.
  • Analysis of critical factors including mRNA optimization, administration routes, cellular fate, and immune response.

Main Results:

  • Self-assembly enables the creation of customizable nanoparticles for mRNA delivery.
  • Various materials and optimization techniques are crucial for effective mRNA vaccination.
  • Current COVID-19 mRNA vaccines demonstrate significant clinical promise.

Conclusions:

  • mRNA vaccines are clinically viable and show immense potential in combating COVID-19.
  • The development of mRNA vaccines represents a significant advancement in gene therapy.
  • Successful mRNA vaccination relies on careful consideration of vaccine design, delivery systems, and biological interactions.