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Engineered antigen-specific T regulatory cells suppress autoreactivity to the anti-glomerular basement membrane disease antigen.
Kidney Int
January 2025
Centre for Inflammatory Diseases, Department of Medicine, School of Clinical Sciences, Monash University, Clayton, Australia. Electronic address:
Anti-glomerular basement membrane (anti-GBM) disease is accompanied by insufficient antigen-specific T regulatory cells (Tregs) and clonally expanded antigen-specific T conventional cells (Tconvs). In particular, this applied to the immunodominant T cell auto- epitope of type IV collagen, α3(IV)NC1135-145 , presented by HLA-DR15. Here, we investigated whether Tregs engineered to express GBM-T cell receptors (TCR) specific for α3(IV)NC1135- 145 better suppress autoimmunity.
View Article and Find Full Text PDFTargeting mutant p53: Evaluation of novel anti-p53 monoclonal antibodies as diagnostic tools.
Sci Rep
January 2025
Department of Microbiology, Tumor and Cell Biology, Science for Life Laboratory, Karolinska Institutet, Stockholm, Sweden.
About 50% of all cancers carry a mutation in p53 that impairs its tumor suppressor function. The p53 missense mutation p53 (p53 in mice) is a hotspot mutation in various cancer types. Therefore, monoclonal antibodies selectively targeting clinically relevant mutations like p53 could prove immensely value.
View Article and Find Full Text PDFCan interventions targeting MDSCs improve the outcome of vaccination in vulnerable populations?
Int Rev Immunol
December 2024
Saint-Petersburg Pasteur Institute, St. Petersburg, Russia.
Preventive vaccination is a crucial strategy for controlling and preventing infectious diseases, offering both effectiveness and cost-efficiency. However, despite the widespread success of vaccination programs, there are still certain population groups who struggle to mount adequate responses to immunization. These at-risk groups include but are not restricted to the elderly, overweight individuals, individuals with chronic infections and cancer patients.
View Article and Find Full Text PDFDNA tetrahedron nanoparticles service as a help carrier and adjvant of mRNA vaccine.
J Transl Med
November 2024
Department of Stomatology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan, China.
Aim Of The Study: To investigate the potential of DNA nanoparticles (DNPs) as carriers and adjuvants for mRNA vaccines.
Materials And Methods: Customized oligonucleotides were assembled into DNA tetrahedra (DNA-TH), which were subsequently complexed with streptavidin and mRNA encoding green fluorescent protein (GFP). Various assays were conducted to evaluat the stability of the DNPs, their cellular uptake, immune activation potential, and GFP mRNA transcription efficiency.
TYRP1 directed CAR T cells control tumor progression in preclinical melanoma models.
Mol Ther Oncol
September 2024
Roswell Park Cancer Center, Buffalo, NY 14203, USA.
Despite therapeutic efficacy observed with immune checkpoint blockade in advanced melanoma, many tumors do not respond to treatment, representing a need for new therapies. Here, we have generated chimeric antigen receptor (CAR) T cells targeting TYRP1, a melanoma differentiation antigen expressed on the surface of melanomas, including rare acral and uveal melanomas. TYRP1-targeted CAR T cells demonstrate antigen-specific activation and cytotoxic activity and against human melanomas independent of the MHC alleles and expression.
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