№ files_lp_4_process_1_50374
Supplementary scientific material presenting flow cytometry gating strategies, cytokine measurements, and phenotypic analyses of proliferating CD4+ T cells and regulatory T-cell populations in PBMC samples from young and older adults after stimulation with pneumococcal substrate-binding lipoproteins.
Document type: Supplementary scientific figures
Scientific field: Immunology
Experimental material: Peripheral blood mononuclear cells (PBMCs)
Cell type analyzed: CD4+ T cells and regulatory T cells (Tregs)
Proteins studied: AmiA, AliA, AliB, AliC, AliD
Experimental techniques: Flow cytometry gating strategy, CellTrace proliferation assay, cytokine measurement, viSNE clustering
Cytokines measured: IL-9, TNF, IL-6, IL-21
Markers analyzed: CD25, CD127, TIGIT, Helios, PD-1, CTLA-4, FoxP3
Population groups: Young adults (20–35 years) and older adults (60–75 years)
Sample size: 12 young donors and 12 older donors (cytokine and phenotype analysis); 5 donors for immunogenicity screening
Stimulation condition: Seven-day or six-day in vitro stimulation with substrate-binding lipoproteins, particularly AliB
Statistical analysis: Mann–Whitney U-test
Measured outcomes: T-cell proliferation, cytokine production, marker expression frequency and intensity
Price: 8 / 10 USD
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