DNA-launched RNA replicon vaccines induce potent anti-SARS-CoV-2 immune responses in mice

I Szurgot, L Hanke, DJ Sheward, LP Vidakovics… - Scientific Reports, 2021 - nature.com
The outbreak of the SARS-CoV-2 virus and its rapid spread into a global pandemic made
the urgent development of scalable vaccines to prevent coronavirus disease (COVID-19) a …

An Alphavirus-derived replicon RNA vaccine induces SARS-CoV-2 neutralizing antibody and T cell responses in mice and nonhuman primates

JH Erasmus, AP Khandhar, MA O'Connor… - Science translational …, 2020 - science.org
The coronavirus disease 2019 (COVID-19) pandemic, caused by infection with the severe
acute respiratory syndrome coronavirus-2 (SARS-CoV-2), is having a deleterious impact on …

A simplified SARS-CoV-2 mouse model demonstrates protection by an oral replicon-based mRNA vaccine

V Jawalagatti, P Kirthika, C Hewawaduge… - Frontiers in …, 2022 - frontiersin.org
A mouse model of SARS-CoV-2 that can be developed in any molecular biology lab with
standard facilities will be valuable in evaluating drugs and vaccines. Here we present a …

Modified DNA vaccine confers improved humoral immune response and effective virus protection against SARS-CoV-2 delta variant

H Hayashi, J Sun, Y Yanagida, T Otera, M Sasai… - Scientific reports, 2022 - nature.com
Abstract Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2), has led to a global pandemic. New technologies …

Synthetic SARS-CoV-2 spike-based DNA vaccine elicits robust and long-lasting th1 humoral and cellular immunity in mice

SS Alamri, KA Alluhaybi, RY Alhabbab… - Frontiers in …, 2021 - frontiersin.org
The ongoing global pandemic of coronavirus disease 2019 (COVID-19) calls for an urgent
development of effective and safe prophylactic and therapeutic measures. The spike (S) …

A replicon RNA vaccine can induce durable protective immunity from SARS-CoV-2 in nonhuman primates after neutralizing antibodies have waned

MA O'Connor, DW Hawman, K Meade-White… - Plos …, 2023 - journals.plos.org
The global SARS-CoV-2 pandemic prompted rapid development of COVID-19 vaccines.
Although several vaccines have received emergency approval through various public health …

Construction and evaluation of a self-replicative RNA vaccine against SARS-CoV-2 using yellow fever virus replicon

A Nakamura, T Kotaki, Y Nagai, S Takazawa… - Plos one, 2022 - journals.plos.org
The coronavirus disease 2019 (COVID-19) pandemic caused by severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) infection is a global threat. To forestall the …

SARS-CoV2 variant-specific replicating RNA vaccines protect from disease following challenge with heterologous variants of concern

DW Hawman, K Meade-White, J Archer, SS Leventhal… - Elife, 2022 - elifesciences.org
Despite mass public health efforts, the SARS-CoV2 pandemic continues as of late 2021 with
resurgent case numbers in many parts of the world. The emergence of SARS-CoV2 variants …

Delineation of DNA and mRNA COVID-19 vaccine-induced immune responses in preclinical animal models

VM Andrade, I Maricic, R Kalia… - Human Vaccines & …, 2023 - Taylor & Francis
Nucleic acid vaccines are designed based on genetic sequences (DNA or mRNA) of a target
antigen to be expressed in vivo to drive a host immune response. In response to the COVID …

[HTML][HTML] Carrier-free mRNA vaccine induces robust immunity against SARS-CoV-2 in mice and non-human primates without systemic reactogenicity

S Abbasi, M Matsui-Masai, F Yasui, A Hayashi… - Molecular Therapy, 2024 - cell.com
Carrier-free naked mRNA vaccines may reduce the reactogenicity associated with delivery
carriers; however, their effectiveness against infectious diseases has been suboptimal. To …