ArticleVaccine2019
Recombinant hemagglutinin produced from Chinese Hamster Ovary (CHO) stable cell clones and a PELC/CpG combination adjuvant for H7N9 subunit vaccine development.
Article in Vaccine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 12 citations in OpenAlex.
- Trimeric hemagglutinin vaccine provides chickens complete protection against lethal H5 subtype avian influenza virus from clade 2.3.4.4b.Emerging microbes & infections · 2026Article
- Article
- Immunogenic and Protective Properties of Recombinant Hemagglutinin of Influenza A (H5N8) Virus.Vaccines · 2024Article
- Article
- A novel CpG ODN compound adjuvant enhances immune response to spike subunit vaccines of porcine epidemic diarrhea virus.Frontiers in immunology · 2024Article
- Article
- Supplementation of H7N9 Virus-Like Particle Vaccine With Recombinant Epitope Antigen Confers Full Protection Against Antigenically Divergent H7N9 Virus in Chickens.Frontiers in immunology · 2022Article
- A recombinant subunit vaccine candidate produced in plants elicits neutralizing antibodies against SARS-CoV-2 variants in macaques.Frontiers in plant science · 2022Article
- Effects of Adjuvants on the Immunogenicity and Efficacy of a Zika Virus Envelope Domain III Subunit Vaccine.Vaccines · 2019Article
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The novel H7N9 avian influenza A virus has caused human infections in China since 2013; some isolates from the fifth wave of infections have emerged as highly pathogenic avian influenza viruses. Recombinant hemagglutinin proteins of H7N9 viruses can be rapidly and efficiently produced with low-level biocontainment facilities. In this study, recombinant H7 antigen was obtained from engineered stable clones of Chinese Hamster Ovary (CHO) cells for subsequent large-scale production. The stable CHO cell clones were also adapted to grow in serum-free suspension cultures. To improve the immunogenicity of the recombinant H7 antigens, we evaluated the use of a novel combination adjuvant of PELC and CpG (PELC/CpG) to augment the anti-H7N9 immune responses in mice. We compared the effects with other adjuvants such as alum, AddaVax (MF59-like), and several Toll-like receptor ligands such as R848, CpG, and poly (I:C). With the PELC/CpG combination adjuvant, CHO cell-expressed rH7 antigens containing terminally sialylated complex type N-glycans were able to induce high titers of neutralizing antibodies in sera and conferred protection following live virus challenges. These data indicate that the CHO cell-expressed recombinant H7 antigens and a PELC/CpG combination adjuvant can be used for H7N9 subunit vaccine development.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.