Bispecific antibody engineering, in which binding specificities toward 2 distinct epitopes are combined into a single molecule, can greatly enhance immunotherapeutic properties of monoclonal antibodies. While the bispecific antibody approach has been applied widely to targets for indications such as cancer and inflammation, the development of such agents for viral immunotherapy is only now emerging. Here, we review recent advances in the development of bispecific antibodies for viral immunotherapy, highlighting promising in vitro and in vivo results.
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http://dx.doi.org/10.1080/21645515.2016.1251536 | DOI Listing |
Narra J
December 2024
Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia.
The waning immunity following the COVID-19 vaccination become a significant concern and the immunological dynamics of vaccine-induced antibodies after vaccination need to be explored. The aim of this study was to compare anti-SARS-CoV-2 receptor-binding domain (RBD) antibody levels before and after a booster dose with heterologous COVID-19 vaccine and to identify factors influencing the levels after receiving the booster dose. A cross-sectional study was conducted in which individuals who received primary doses of CoronaVac and a booster dose with an mRNA-based vaccine were recruited using a purposive sampling technique.
View Article and Find Full Text PDFJ Viral Hepat
February 2025
Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
Dendritic cells are the most potent antigen-presenting cells in immune therapeutic approaches for chronic hepatitis B (CHB) infection. Here, we developed a clinical trial to evaluate the efficacy and safety of autologous HBV vaccine-pulsed DCs and their induced T cells (HPDCT) in CHB patients. This was a randomised, prospective, open-label, multicentre, superiority study and 309 treatment-naive CHB patients were divided into HPDCT plus nucleos(t)ide analogues (NAs) group (n = 84), NAs mono-therapy group (n = 82), HPDCT plus Peg-interferon (Peg-IFN) group (n = 69), Peg-IFN mono-therapy group (n = 74).
View Article and Find Full Text PDFNature
January 2025
Immuno-Oncology Service, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
Tertiary lymphoid structures (TLSs) are de novo ectopic lymphoid aggregates that regulate immunity in chronically inflamed tissues, including tumours. Although TLSs form due to inflammation-triggered activation of the lymphotoxin (LT)-LTβ receptor (LTβR) pathway, the inflammatory signals and cells that induce TLSs remain incompletely identified. Here we show that interleukin-33 (IL-33), the alarmin released by inflamed tissues, induces TLSs.
View Article and Find Full Text PDFEpidemiol Serv Saude
January 2025
Universidade de Brasília, Brasília, DF, Brazil.
Objective: To estimate measles-mumps-rubella vaccination coverage, delay and loss to follow-up in children up to 24 months old living in Brazilian cities.
Methods: Surveys and questionnaires with a retrospective cohort of live births in 2017-2018, analyzing vaccination coverage and sociodemographic data of children and families, based on vaccination card records and interviews.
Results: Valid coverage of first dose was 90.
Adv Sci (Weinh)
January 2025
School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China.
Cancer cells present sialylated glycoconjugates that modulate the activity of various immune cells within the tumor microenvironment through trans interaction with immunosuppressive Siglec receptors. Identifying counter receptors for Siglecs can provide valuable targets for cancer immunotherapy, but it presents significant challenges. Here, the identification of DSG2 (Desmoglein 2) as a dominant counter receptor of Siglec-9 in melanoma cells is reported, using a workflow that combines the strength of proximity labeling and the advantage of CRISPR knockout screening.
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