invivomab anti mouse cd40 (Bio X Cell)
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![(A) Representative images and quantification of CCR7 + DCs (panCK − HLA-DR + LAMP3 + , yellow) near BVs (CD31 + PDPN − , magenta), or LVs (CD31 + PDPN + , cyan) in human tumors (HNSCC, NSCLC, and EC). Scale bar represents 20 μm. Whole-tumor sections were analyzed for EC and NSCLC. Numbers of fields of view (FOVs) analyzed per HNSCC sample are as follows: HNSCC1–04 n = 7; HNSCC1–06 n = 16; HNSCC1–07 n = 11; HNSCC2–01 n = 126; HNSCC2–06 n = 455; HNSCC2–09 n = 180; HNSCC2–11 n = 122; HNSCC2–12 n = 79; HNSCC2–15 n = 205; HNSCC2–26 n = 293; HNSCC2–35 n = 175. One bar = one patient . (B) Representative images and quantification of CCR7 + DCs (FSCN1 + ; yellow) located near BVs (CD31 + LYVE-1 − ; magenta) or LVs (CD31 + LYVE-1 + ; cyan) in mouse tumors (MC38, B16F10, and D4M3.A-OVA). Scale bar represents 10 μm. Whole-tumor sections were analyzed. One bar = one mouse. (C) Frequencies of BV-, LV- and non-vessel-associated CCR7 + DCs in mouse MC38 tumors 3 days post <t>anti-CD40</t> or anti-PD-1 treatment. Whole-tumor sections were analyzed. One bar = one mouse. (D) (Left) Representative images of CCR7 + DCs (FSCN1 + ; yellow) located near BVs (CD31 + LYVE-1 − ; magenta) in MC38 tumors inoculated in Ccr7 ko/wt and Ccr7 ko/ko mice, 3 days post anti-PD-1 treatment. (Right) Distribution of the area of CCR7 + DC surfaces in clusters relative to their distance to closest BVs and plotted as percentage of total CCR7 + DC cluster area. CCR7 + DC surfaces from clusters associated with LVs and those not in clusters were excluded from the analysis. Scale bar represents 20 μm. Whole-tumor sections were analyzed. One dot = average value of all clusters in each genotype ( Ccr7 ko/ko n = 5 mice, 56 clusters; Ccr7 wt /ko n = 6 mice, 28 clusters; and Ccr7 wt /wt n = 3 mice, 19 clusters). Two-way ANOVA with multiple comparisons, mean with SEM; **** p < 0.0001 for comparison at 10 and 20 μm from closest BVs. (E) (Left) Representative images of CCR7 + DCs (FSCN1 + ; yellow) located near BVs (CD31 + LYVE-1 − ; magenta) and Ccl19 ( Ccl19 -eYFP + Tomato + ; white) in Ccl19 -ieYFP reporter mice (left image) or CCL21 (white, right image) in MC38 tumors. (Right) Frequencies of perivascular CCR7 + DC clusters associated with Ccl19 -covered BVs or within CCL21 + areas of the tumors among total perivascular CCR7 + DC clusters. Scale bar represents 20 μm. Whole-tumor sections were analyzed. One dot = one mouse. Unpaired t test, mean with SEM; *** p < 0.001. (F) (Left) Representative images of CCR7 + DCs (FSCN1 + ; yellow) located near BVs (CD31 + LYVE-1 − ; magenta) in MC38 tumors inoculated in Ccl19 wt/wt and Ccl19 ko/ko mice, 2 days post anti-PD-1treatment. (Right) Quantification of BV- or LV-associated CCR7 + DC clusters in MC38 tumors from Ccl19 wt/wt and Ccl19 ko/ko mice. Scale bar represents 20 μm. Whole-tumor sections were analyzed. One dot = one mouse, whiskers represent min to max. Unpaired t test; * p < 0.05. (G) Heatmap depicts log 2 -transformed averaged expression of Ccl19 in indicated immune and non-immune populations in the TME of multiple mouse tumor models (breast, , lung [and GSE201247 ], and pancreatic , ). (H) (Left) Synthetic images of CCR7 + DCs (yellow), blood endothelial cells (BECs; magenta), lymphatic endothelial cells (LECs; cyan), and CCL19 + fibroblasts (green) in one representative NSCLC patient analyzed by spatial transcriptomics. (Right) Box plots depict the enrichment scores of CCL19 + fibroblasts within the neighborhood of BV-associated CCR7 + DCs, in four human NSCLC. Data are shown for both permuted (median enrichment scores from 1,000 permutations) and observed datasets. Scale bar represents 20 μm. Whole-tumor sections were analyzed. One dot = one sample. Paired t test, whiskers represent mean to max; * p < 0.05. (I) Heatmap depicts log 2 -transformed averaged expression of CCL19 in indicated immune and non-immune populations in the TME of multiple human cancer types (HNSCC, n = 40, n = 18 patients; CRC, n = 23, n = 64 patients; ESCC, n = 58 patients ; NSCLC, n = 32, n = 7 patients; BRCA, n = 29 patients ; and PRCA, n = 18 patients ). A cross indicates that the cellular population was not detected. See also – .](https://pub-med-central-images-cdn.bioz.com/pub_med_central_ids_ending_with_2814/pmc12882814/pmc12882814__nihms-2134284-f0002.jpg)
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1) Product Images from "Positioning and reversible suppression of CCR7 + dendritic cells in perivascular tumor niches shape cancer immunity"
Article Title: Positioning and reversible suppression of CCR7 + dendritic cells in perivascular tumor niches shape cancer immunity
Journal: Immunity
doi: 10.1016/j.immuni.2025.11.020
Figure Legend Snippet: (A) Representative images and quantification of CCR7 + DCs (panCK − HLA-DR + LAMP3 + , yellow) near BVs (CD31 + PDPN − , magenta), or LVs (CD31 + PDPN + , cyan) in human tumors (HNSCC, NSCLC, and EC). Scale bar represents 20 μm. Whole-tumor sections were analyzed for EC and NSCLC. Numbers of fields of view (FOVs) analyzed per HNSCC sample are as follows: HNSCC1–04 n = 7; HNSCC1–06 n = 16; HNSCC1–07 n = 11; HNSCC2–01 n = 126; HNSCC2–06 n = 455; HNSCC2–09 n = 180; HNSCC2–11 n = 122; HNSCC2–12 n = 79; HNSCC2–15 n = 205; HNSCC2–26 n = 293; HNSCC2–35 n = 175. One bar = one patient . (B) Representative images and quantification of CCR7 + DCs (FSCN1 + ; yellow) located near BVs (CD31 + LYVE-1 − ; magenta) or LVs (CD31 + LYVE-1 + ; cyan) in mouse tumors (MC38, B16F10, and D4M3.A-OVA). Scale bar represents 10 μm. Whole-tumor sections were analyzed. One bar = one mouse. (C) Frequencies of BV-, LV- and non-vessel-associated CCR7 + DCs in mouse MC38 tumors 3 days post anti-CD40 or anti-PD-1 treatment. Whole-tumor sections were analyzed. One bar = one mouse. (D) (Left) Representative images of CCR7 + DCs (FSCN1 + ; yellow) located near BVs (CD31 + LYVE-1 − ; magenta) in MC38 tumors inoculated in Ccr7 ko/wt and Ccr7 ko/ko mice, 3 days post anti-PD-1 treatment. (Right) Distribution of the area of CCR7 + DC surfaces in clusters relative to their distance to closest BVs and plotted as percentage of total CCR7 + DC cluster area. CCR7 + DC surfaces from clusters associated with LVs and those not in clusters were excluded from the analysis. Scale bar represents 20 μm. Whole-tumor sections were analyzed. One dot = average value of all clusters in each genotype ( Ccr7 ko/ko n = 5 mice, 56 clusters; Ccr7 wt /ko n = 6 mice, 28 clusters; and Ccr7 wt /wt n = 3 mice, 19 clusters). Two-way ANOVA with multiple comparisons, mean with SEM; **** p < 0.0001 for comparison at 10 and 20 μm from closest BVs. (E) (Left) Representative images of CCR7 + DCs (FSCN1 + ; yellow) located near BVs (CD31 + LYVE-1 − ; magenta) and Ccl19 ( Ccl19 -eYFP + Tomato + ; white) in Ccl19 -ieYFP reporter mice (left image) or CCL21 (white, right image) in MC38 tumors. (Right) Frequencies of perivascular CCR7 + DC clusters associated with Ccl19 -covered BVs or within CCL21 + areas of the tumors among total perivascular CCR7 + DC clusters. Scale bar represents 20 μm. Whole-tumor sections were analyzed. One dot = one mouse. Unpaired t test, mean with SEM; *** p < 0.001. (F) (Left) Representative images of CCR7 + DCs (FSCN1 + ; yellow) located near BVs (CD31 + LYVE-1 − ; magenta) in MC38 tumors inoculated in Ccl19 wt/wt and Ccl19 ko/ko mice, 2 days post anti-PD-1treatment. (Right) Quantification of BV- or LV-associated CCR7 + DC clusters in MC38 tumors from Ccl19 wt/wt and Ccl19 ko/ko mice. Scale bar represents 20 μm. Whole-tumor sections were analyzed. One dot = one mouse, whiskers represent min to max. Unpaired t test; * p < 0.05. (G) Heatmap depicts log 2 -transformed averaged expression of Ccl19 in indicated immune and non-immune populations in the TME of multiple mouse tumor models (breast, , lung [and GSE201247 ], and pancreatic , ). (H) (Left) Synthetic images of CCR7 + DCs (yellow), blood endothelial cells (BECs; magenta), lymphatic endothelial cells (LECs; cyan), and CCL19 + fibroblasts (green) in one representative NSCLC patient analyzed by spatial transcriptomics. (Right) Box plots depict the enrichment scores of CCL19 + fibroblasts within the neighborhood of BV-associated CCR7 + DCs, in four human NSCLC. Data are shown for both permuted (median enrichment scores from 1,000 permutations) and observed datasets. Scale bar represents 20 μm. Whole-tumor sections were analyzed. One dot = one sample. Paired t test, whiskers represent mean to max; * p < 0.05. (I) Heatmap depicts log 2 -transformed averaged expression of CCL19 in indicated immune and non-immune populations in the TME of multiple human cancer types (HNSCC, n = 40, n = 18 patients; CRC, n = 23, n = 64 patients; ESCC, n = 58 patients ; NSCLC, n = 32, n = 7 patients; BRCA, n = 29 patients ; and PRCA, n = 18 patients ). A cross indicates that the cellular population was not detected. See also – .
Techniques Used: Comparison, Transformation Assay, Expressing, Spatial Transcriptomics
Figure Legend Snippet: (A) (Left) Scheme outlining the experimental setup for bulk RNA-seq analyses of tumor-derived CCR7 + DCs. (Right) GO pathway enrichment analyses performed on differentially expressed genes (DEGs) in CCR7 + DCs in MC38 tumors ( n = 4) from Treg-depleted ( FoxP3 -DTR) compared with Treg-sufficient (WT) mice. Bar plot indicates the −log 10 raw binomial p -values of the top 10 most enriched pathways in CCR7 + DCs. (B) (Left) Experimental setup for ex vivo stimulation of OT-I CD8 + T cells with tumor CCR7 + DCs. (Right) Percentage of OT-I CD8 + T cells that proliferated after 5-day culture with OVA 257–264 peptides-loaded CCR7 + DCs isolated from WT or Treg-depleted tumors. As a control, CCR7 + DCs without OVA 257–264 peptides were used. Two-way ANOVA with multiple comparisons, whiskers represent min to max; ** p < 0.01. (C) (Left) Relative gene expression levels analyzed by bulk RNA-seq. Each dot represents one mouse ( n = 4), whiskers represent mean to max. Unpaired t test with multiple comparisons; * p < 0.05. (Right) Representative histogram of CD40 protein expression and relative mean fluorescence intensity (MFI) measured by FACS and expressed both as normalized values and absolute MFI. Each dot represents one mouse ( n = 18), whiskers represent min to max. Unpaired t test; ** p < 0.01. (D) Analyses of cDCs in tumor-draining lymph nodes. Absolute cell counts (left, n = 10) and MFI of CD40 expression (right, n = 18) measured by FACS in migratory cDCs (CCR7 + CD8α − ) from WT or Treg-depleted mice. Whiskers represent mean to max. (E) (Left) Experimental setup for ex vivo analyses of tumor CCR7 + DCs isolated from anti-PD-1-treated mice that received or not αCD25 NIB mAbs. (Right) CD40 protein expression measured by FACS and expressed both as normalized values and absolute MFI. Each dot represents one mouse ( n = 4 WT and n = 6 FoxP3-DTR), whiskers represent min to max. Unpaired t test; ** p < 0.01. (F) (Left) Overall survival analyses of MC38 tumor-bearing mice treated, or not treated, with αPD-1 and αCD25 NIB mAbs, and in which CD4 + or CD8 + cells were depleted or not ( n = 8 or 9 mice/group). Log-rank Mantel-Cox test; * p < 0.05, *** p < 0.001, and *** p < 0.0001. (Right) Percentage of tumor-free mice on day 60 in the indicated treatment groups. (G) (Left) Experimental setup for ex vivo stimulation of OT-I CD8 + T cells with tumor CCR7 + DCs as in (B). The DCs were obtained from mice receiving anti-PD-1 immunotherapy and that were treated or not with αCD25 NIB mAbs. (Right) Percentage of OT-I CD8 + T cells that proliferated after 5-day culture with OVA 257–264 peptide-loaded CCR7 + DCs. Each dot represents one mouse ( n = 8 and n = 7), whiskers represent min to max. Two-way ANOVA with multiple comparisons; * p < 0.05. (H) (Left) Scheme outlining bone marrow chimeras with inducible Cd40 -deficiency in cDCs and the treatment schedule. (Right) Growth curves of MC38 tumors inoculated in zDC iDTR : Cd40 WT and zDC iDTR : Cd40 KO bone marrow chimeras treated with αPD-1, αCD25 NIB , or αPD-1 + αCD25NIB combination ( n = 8–10 mice/group). Mean with SEM. Two-way ANOVA with multiple comparisons; * p < 0.05 and **** p < 0.0001. See also and .
Techniques Used: RNA Sequencing, Derivative Assay, Ex Vivo, Isolation, Control, Gene Expression, Expressing, Fluorescence
