A Fundamental Tool for Efficient Recovery of RNA Viruses through Reverse Genetics

BSR T7/5 cells represent a foundational advancement in virology, offering a robust platform for the recovery of RNA viruses via reverse genetics. Established over 20 years ago, these cells have proven instrumental in the recovery of a wide array of RNA viruses, particularly those belonging to the mononegavirales order. By enabling the insertion of antigenome sequences into cDNA plasmids under a T7 RNA polymerase promoter, BSR T7/5 cells facilitate the transcription of RNA antigenomes and mRNA encoding RNP elements, leading to the assembly of infectious viruses.

Construction of Recombinant Baculoviruses Carrying the Gene Encoding the Major Capsid Protein, VP1, From Calicivirus Strains (Including Norovirus Strains Toronto, Hawaii, Desert Shield, Snow Mountain, and MD145-12)

The noroviruses (known as "Norwalk-like viruses") are associated with an estimated 23,000,000 cases of acute gastroenteritis in the United States each year. Norovirus illness often occurs in outbreaks, affecting large numbers of individuals, illustrated recently by well-publicized reports of gastroenteritis outbreaks on several recreational cruise ships and in settings such as hospitals and schools. Norovirus disease is clearly important in terms of medical costs and missed workdays, and accumulating data support its emerging recognition as important agents of diarrhea-related morbidity.

Combined RNA and DNA Vaccination Strategy for Improving the Vaccine Immune Response

Description of Technology:

The development of an effective HIV vaccine has been ongoing. HIV sequence diversity and immunodominance are major obstacles in the design of an effective vaccine. Researchers at the National Cancer Institute (NCI) developed a novel vaccine strategy combining both DNA and mRNA vaccination to induce an effective immune response. This combination strategy could also be used to develop vaccines against cancer or other infectious diseases (ex. SARS-CoV-2). 

Novel Human Immunogenic Epitopes of the Human Endogenous Retrovirus ERVMER34-1

Summary:

The National Cancer Institute (NCI) seeks research co-development partners and/or licensees for the clinical translation of novel peptide-based therapeutic cancer vaccines derived from ERVMER34-1, a human endogenous retrovirus (HERV) antigen, offering a unique opportunity to address a significant unmet need in the treatment of various carcinomas.

Advancements in Coronavirus Vaccine Development: Innovative Engineered RBD Antigens Redefining the Landscape

Novel Engineered RBD Antigens: Elevating Coronavirus Vaccine Efficiency and Efficacy. These groundbreaking antigens, derived from the spike protein's receptor-binding domain, are meticulously designed through a computational pipeline, resulting in superior attributes. They increase protein yield sevenfold, ensuring efficient large-scale manufacturing. With elevated thermal stability and a tenfold boost in antibody production, these antigens present a significant stride towards potent and globally accessible coronavirus vaccines.

 

Advancements in HIV-1 Treatment with Broadly Neutralizing Monoclonal Antibodies N6 and VRC07-523LS

The Vaccine Research Center has engineered two monoclonal antibodies, N6 and VRC07-523LS, as new contenders in the fight against HIV-1. These antibodies are designed to target the virus more effectively by removing certain glycans and modifying amino acids to enhance their neutralizing capability and reduce the risk of autoimmunity. The technology holds promise for improved HIV-1 treatments and may offer broader protection due to its potential coverage of various viral variants.

Enhanced Influenza Vaccination with Engineered Neuraminidase Antigens for Stabilization and Design

Engineered Influenza Neuraminidase Antigens represent a cutting-edge approach to revolutionize Influenza vaccine development. This technology harnesses the sequences of neuraminidase (NA) proteins, pivotal components of the Influenza virus, to create stabilized tetramers for multiple NA subtypes. By identifying specific mutations, the technology enables the control of NA protein conformations, particularly closed states, which significantly enhances their stability.

Advancements in RSV Vaccine Development for Enhanced Immune Response

This technology presents a groundbreaking approach to developing a vaccine for Respiratory Syncytial Virus (RSV), a major cause of severe pediatric respiratory illness. The method involves the creation of a live attenuated RSV vaccine candidate by removing the M2-2 protein, resulting in decreased viral replication. Surprisingly, this modification induces a stronger immune response. The vaccine, derived from LID M2-2 with minor mutations, effectively separates viral replication from immunogenicity.

Development and Licensing Strategies for Monoclonal Antibody CI.11B11.B4.C4 Targeting APOBEC3 in Retroviral Defense

The technology in focus involves monoclonal antibody CI.11B11.B4.C4, a pioneering biological tool designed to target and bind with high specificity to both isoforms of mouse APOBEC3, mA3 and mA3d5. APOBEC3 proteins play a crucial role in innate immune defense against retroviruses by inducing hypermutation in the viral genome, thereby hindering viral replication and infection.

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