Immunofocusing and enhancing autologous Tier-2 HIV-1 neutralization by displaying Env trimers on two-component protein nanoparticles

PJM Brouwer, A Antanasijevic, M de Gast, JD Allen… - npj Vaccines, 2021 - nature.com
The HIV-1 envelope glycoprotein trimer is poorly immunogenic because it is covered by a
dense glycan shield. As a result, recombinant Env glycoproteins generally elicit inadequate …

Closing and opening holes in the glycan shield of HIV-1 envelope glycoprotein SOSIP trimers can redirect the neutralizing antibody response to the newly unmasked …

RP Ringe, P Pugach, CA Cottrell… - Journal of …, 2019 - Am Soc Microbiol
In HIV-1 vaccine research, native-like, soluble envelope glycoprotein SOSIP trimers are
widely used for immunizing animals. The epitopes of autologous neutralizing antibodies …

Immunogenicity in rabbits of HIV-1 SOSIP trimers from clades A, B, and C, given individually, sequentially, or in combination

A Torrents de la Peña, SW de Taeye, K Sliepen… - Journal of …, 2018 - Am Soc Microbiol
Recombinant soluble HIV-1 envelope glycoprotein (Env) SOSIP trimers are a design
platform for inducing broadly neutralizing antibodies (bNAbs) by vaccination. To date, these …

Structure-based design of stabilized recombinant influenza neuraminidase tetramers

D Ellis, J Lederhofer, OJ Acton, Y Tsybovsky… - Nature …, 2022 - nature.com
Influenza virus neuraminidase (NA) is a major antiviral drug target and has recently
reemerged as a key target of antibody-mediated protective immunity. Here we show that …

New vaccine design and delivery technologies

M Kanekiyo, D Ellis, NP King - The Journal of Infectious …, 2019 - academic.oup.com
Technological advances in immunology, protein design, and genetic delivery have unlocked
new possibilities for vaccine concepts and delivery technologies that were previously …

Molecular architecture of the cleavage-dependent mannose patch on a soluble HIV-1 envelope glycoprotein trimer

AJ Behrens, DJ Harvey, E Milne, A Cupo… - Journal of …, 2017 - Am Soc Microbiol
The formation of a correctly folded and natively glycosylated HIV-1 viral spike is dependent
on protease cleavage of the gp160 precursor protein in the Golgi apparatus. Cleavage …

Automated design by structure-based stabilization and consensus repair to achieve prefusion-closed envelope trimers in a wide variety of HIV strains

R Rawi, L Rutten, YT Lai, AS Olia, S Blokland… - Cell reports, 2020 - cell.com
Soluble envelope (Env) trimers, stabilized in a prefusion-closed conformation, can elicit
neutralizing responses against HIV-1 strains closely related to the immunizing trimer …

[HTML][HTML] Immune control of HIV

M Balasubramaniam, J Pandhare… - Journal of life sciences …, 2019 - ncbi.nlm.nih.gov
The human immunodeficiency virus (HIV) infection of the immune cells expressing the
cluster of differentiation 4 cell surface glycoprotein (CD4+ cells) causes progressive decline …

cGMP production and analysis of BG505 SOSIP. 664, an extensively glycosylated, trimeric HIV‐1 envelope glycoprotein vaccine candidate

AK Dey, A Cupo, G Ozorowski… - Biotechnology and …, 2018 - Wiley Online Library
We describe the properties of BG505 SOSIP. 664 HIV‐1 envelope glycoprotein trimers
produced under current Good Manufacturing Practice (cGMP) conditions. These proteins are …

Env exceptionalism: why are HIV-1 Env glycoproteins atypical immunogens?

PJ Klasse, G Ozorowski, RW Sanders, JP Moore - Cell host & microbe, 2020 - cell.com
Recombinant HIV-1 envelope (Env) glycoproteins of ever-increasing sophistication have
been evaluated as vaccine candidates for over 30 years. Structurally defined mimics of …