Identification of B-cell epitopes for eliciting neutralizing antibodies against the SARS-CoV-2 spike protein through bioinformatics and monoclonal antibody targeting

HX Lim, M Masomian, K Khalid, AU Kumar… - International Journal of …, 2022 - mdpi.com
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused a global public
health crisis. Effective COVID-19 vaccines developed by Pfizer-BioNTech, Moderna, and …

Potent neutralization of SARS-CoV-2 variants by RBD nanoparticle and prefusion-stabilized spike immunogens

MC Miranda, E Kepl, MJ Navarro, C Chen, M Johnson… - npj Vaccines, 2024 - nature.com
We previously described a two-component protein nanoparticle vaccine platform that
displays 60 copies of the SARS-CoV-2 spike protein RBD (RBD-NP). The vaccine, when …

Neutralizing efficacy of encapsulin nanoparticles against SARS-CoV2 variants of concern

S Khaleeq, N Sengupta, S Kumar, UR Patel… - Viruses, 2023 - mdpi.com
Rapid emergence of the SARS-CoV-2 variants has dampened the protective efficacy of
existing authorized vaccines. Nanoparticle platforms offer a means to improve vaccine …

Mutations in S2 subunit of SARS-CoV-2 Omicron spike strongly influence its conformation, fusogenicity, and neutralization sensitivity

S Kumar, R Delipan, D Chakraborty, K Kanjo… - Journal of …, 2023 - Am Soc Microbiol
ABSTRACT SARS-CoV-2 has a remarkable ability to respond to and evolve against the
selection pressure by host immunity exemplified by the emergence of Omicron lineage …

Mechanistic insights into global suppressors of protein folding defects

G Chattopadhyay, J Bhowmick, K Manjunath… - PLoS …, 2022 - journals.plos.org
Most amino acid substitutions in a protein either lead to partial loss-of-function or are near
neutral. Several studies have shown the existence of second-site mutations that can rescue …

Identification of stabilizing point mutations through mutagenesis of destabilized protein libraries

S Ahmed, K Manjunath, G Chattopadhyay… - Journal of Biological …, 2022 - ASBMB
Although there have been recent transformative advances in the area of protein structure
prediction, prediction of point mutations that improve protein stability remains challenging. It …

Mammalian cell expressed recombinant trimeric spike protein is a potent vaccine antigen and confers near-complete protection against SARS-CoV-2 infection in …

BV Kumar, S Singh, G Verma, R Kumar, PM Mishra… - Vaccine, 2024 - Elsevier
Numerous vaccine candidates have emerged in the fight against SARS-CoV-2, yet the
challenges posed by viral evolution and the evasion of vaccine-induced immunity persist …

Scalable bioprocess for high-yield production of SARS-CoV-2 trimeric spike protein-based immunogen (IMT-CVAX) using suspension CHO cells

S Singh, BV Kumar, PM Mishra, G Verma, S Kumar… - Process …, 2024 - Elsevier
The COVID-19 pandemic has brought global attention towards the readiness of
biotechnology platforms for rapid development of immunogens to be used as vaccine …

Highly thermotolerant sars-cov-2 vaccine elicits neutralising antibodies against delta and omicron in mice

P Jansen van Vuren, AJ McAuley, MJ Kuiper… - Viruses, 2022 - mdpi.com
As existing vaccines fail to completely prevent COVID-19 infections or community
transmission, there is an unmet need for vaccines that can better combat SARS-CoV-2 …

Improved prediction of stabilizing mutations in proteins by incorporation of mutational effects on ligand binding

S Ganesan, N Mittal, A Bhat, RS Adiga… - Proteins: Structure …, 2025 - Wiley Online Library
While many computational methods accurately predict destabilizing mutations, identifying
stabilizing mutations has remained a challenge, because of their relative rarity. We tested …