Journal: Nature Medicine
Article Title: Multi-antigen-targeting T cells in pediatric central nervous system tumors: a phase 1 trial
doi: 10.1038/s41591-026-04449-9
Figure Lengend Snippet: Flow immunophenotyping release testing data are presented in A-G and IFNγ ELISpot data presented in H-K (Arm A: n = 12; Arms B/C: n = 27). Each data point represents a separate TAA-T cell product infused into patients (biological replicates). Lower whisker is defined as the minima, upper whisker is defined as the maxima, center is defined as median, lower bound of box is defined as Q1 (25th percentile), and upper bound of box is defined as Q3 (75th percentile). a ) % Total T cells (CD3 + ). Arm A: Minima=51, Maxima=99, Median=97, 25th Percentile=95, 75th Percentile=99; Arms B/C: Minima=31, Maxima=100, Median=97, 25th Percentile=94, 75th Percentile=98. b ) % CD4 + T cells (CD3 + CD4+ of CD45 + ). Arm A: Minima=0.50, Maxima=88, Median=16, 25th Percentile=2.6, 75th Percentile=38; Arms B/C: Minima=0.40, Maxima=55, Median=9.9, 25th Percentile=6.1, 75th Percentile=17. c ) %CD8 + T cells (% CD3 + CD8+ of CD45 + ). Arm A: Minima=4.3, Maxima=88, Median=37, 25th Percentile=22, 75th Percentile=47; Arms B/C: Minima=19, Maxima=91, Median=51, 25th Percentile=36, 75th Percentile=71. d ) % αβ T cells (% TCRαβ+ of CD3 + ). Arm A: Minima=8.2, Maxima=94, Median=69, 25th Percentile=28, 75th Percentile=86; Arms B/C: Minima=32, Maxima=98, Median=71, 25th Percentile=48, 75th Percentile=84. e ) % γδ T cells (% TCRγδ+ of CD3 + ). Arm A: Minima=5.1, Maxima=79, Median=28, 25th Percentile=8.4, 75th Percentile=67; Arms B/C: Minima=1.1, Maxima=83, Median=25, 25th Percentile=10, 75th Percentile=53. f ) % CD3 + CD16 + CD56+ of CD45 + . Arm A: Minima=2.8, Maxima=25, Median=11, 25th Percentile=7.2, 75th Percentile=17; Arms B/C: Minima=3.4, Maxima=64, Median=16, 25th Percentile=8.1, 75th Percentile=28. g ) % NK cells (CD16/CD56 + CD3- of CD45 + ). Arm A: Minima=0.40, Maxima=48, Median=1.0, 25th Percentile=0.48, 75th Percentile=4.6; Arms B/C: Minima=0.10, Maxima=62, Median=1.6, 25th Percentile=0.60, 75th Percentile=6.1. h - i ) IFNγ ELISpot with background correction for Arm A ( h ) and Arms B/C ( i ). Negative values after background normalization have been normalized to zero for visual representation.
Article Snippet: Antibodies for the TCR/DC panel included TCRγδ Vio Blue (Miltenyi Biotec, cat. no.1 30-119-619), TCRαβ FITC (Miltenyi Biotec, cat. no. 130-113-538), CD83 PE (Miltenyi Biotec, cat. no. 130-110-503), CD3 Per CP Vio-770 (Miltenyi Biotec, cat. no. 130-113-141) and CD45 APC (Miltenyi Biotec, cat. no. 130-110-633).
Techniques: Enzyme-linked Immunospot, Whisker Assay
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