Deprecated: Implicit conversion from float 235.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 235.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Nature 2021 ; 594 (7864): 553-559 Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Neutralizing antibody vaccine for pandemic and pre-emergent coronaviruses #MMPMID33971664
Saunders KO; Lee E; Parks R; Martinez DR; Li D; Chen H; Edwards RJ; Gobeil S; Barr M; Mansouri K; Alam SM; Sutherland LL; Cai F; Sanzone AM; Berry M; Manne K; Bock KW; Minai M; Nagata BM; Kapingidza AB; Azoitei M; Tse LV; Scobey TD; Spreng RL; Rountree RW; DeMarco CT; Denny TN; Woods CW; Petzold EW; Tang J; Oguin TH 3rd; Sempowski GD; Gagne M; Douek DC; Tomai MA; Fox CB; Seder R; Wiehe K; Weissman D; Pardi N; Golding H; Khurana S; Acharya P; Andersen H; Lewis MG; Moore IN; Montefiori DC; Baric RS; Haynes BF
Nature 2021[Jun]; 594 (7864): 553-559 PMID33971664show ga
Betacoronaviruses caused the outbreaks of severe acute respiratory syndrome (SARS) and Middle East respiratory syndrome, as well as the current pandemic of SARS coronavirus 2 (SARS-CoV-2)(1-4). Vaccines that elicit protective immunity against SARS-CoV-2 and betacoronaviruses that circulate in animals have the potential to prevent future pandemics. Here we show that the immunization of macaques with nanoparticles conjugated with the receptor-binding domain of SARS-CoV-2, and adjuvanted with 3M-052 and alum, elicits cross-neutralizing antibody responses against bat coronaviruses, SARS-CoV and SARS-CoV-2 (including the B.1.1.7, P.1 and B.1.351 variants). Vaccination of macaques with these nanoparticles resulted in a 50% inhibitory reciprocal serum dilution (ID(50)) neutralization titre of 47,216 (geometric mean) for SARS-CoV-2, as well as in protection against SARS-CoV-2 in the upper and lower respiratory tracts. Nucleoside-modified mRNAs that encode a stabilized transmembrane spike or monomeric receptor-binding domain also induced cross-neutralizing antibody responses against SARS-CoV and bat coronaviruses, albeit at lower titres than achieved with the nanoparticles. These results demonstrate that current mRNA-based vaccines may provide some protection from future outbreaks of zoonotic betacoronaviruses, and provide a multimeric protein platform for the further development of vaccines against multiple (or all) betacoronaviruses.