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Assays for the Specific Growth Rate and Cell-binding Ability of Rotavirus
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Molecular and biological characterization of the human-bovine rotavirus-based reassortant rotavirus

Ehsan Zafari1, Hoorieh Soleimanjahi1, Ashraf Mohammadi2

  • 1Department of Virology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.

Microbial Pathogenesis
|May 14, 2018
PubMed

Insights

This study developed a novel rotavirus vaccine candidate, assessing its stability and genetic characteristics. The research supports national vaccine production goals and herd protection strategies against infantile gastroenteritis.

Area of Science:

  • Virology
  • Vaccinology
  • Public Health

Background:

  • Rotaviruses (RV) are a primary cause of severe infantile gastroenteritis, particularly in low-income nations.
  • While RV gastroenteritis rates are declining, improving newborn quality of life remains a healthcare challenge.

Purpose of the Study:

  • To develop and evaluate a homemade reassortant human-bovine rotavirus candidate vaccine.
  • To assess the vaccine's biological activity, molecular characteristics, and stability for potential use.

Main Methods:

  • Reassortant human-bovine rotavirus strains were created.
  • Virus titration and purification were performed using plaque assays and electropherotyping.
  • Genetic stability was assessed through sequencing after multiple passages.

Main Results:

  • The study successfully developed a reassortant rotavirus candidate.
  • Biological activity and molecular characterization confirmed vaccine potential.
  • Genetic stability was demonstrated across serial passages.

Conclusions:

  • The developed rotavirus candidate shows promise for vaccine stability and efficacy.
  • This research contributes to national capacity building for affordable vaccine production.
  • Findings support global vaccination policies and herd protection against rotavirus infections.

Keywords:
Double-stranded RNA virusReassortant vaccineRotavirus

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