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androgen independent prostate cell line tramp c2  (ATCC)


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    ATCC androgen independent prostate cell line tramp c2
    Combination therapy with docetaxel and mSTAR1302 elicits antitumor effects in triple negative breast cancer (4T1) and androgen-independent prostate cancer <t>(TRAMP-C2)</t> mouse models. (A–E) 8–12-week-old female Balb/c mice were inoculated subcutaneously with 5x10 4 4T1 in the mammary fat pad (n=8–10 per group). (A) pictogram depicts experimental design. When the tumors reached 40-70mm 3 , mice were administered 3 doses of mSTAR1302 (1 mg/kg, i.p.) once per week on days 9, 16, and 23 and 3 doses of docetaxel (500 µg, i.p.), every other day, 7 days post-initial mSTAR1302 treatment, on days 16, 18, and 20. Primary tumors were measured in terms of mean (B) and individual (C) tumor volumes, as depicted. Inset numbers are tumor-free mice. In two additional cohorts, to assess metastatic growth, lungs were removed from 4T1 tumor-bearing mice 28 days post-tumor inoculation following the same treatment schedule. Lungs were dissociated, cultured in medium (2x FBS with 6-thioguanine) and incubated at 37 °C with 5% CO 2 for 12 days. (D) a meta-analysis from two separate studies is depicted with closed and opened circles differentiating data collected from each study. Cell colonies representing lung metastases were stained with 0.05% methylene blue and counted for each treatment group (n=14–20 per group total). Survival (E) was measured over time with inset numbers depicting median overall survival (mOS) and shaded bands depicting 95% confidence intervals. (F–I) 8–12-week-old male C57bl/6 mice were inoculated subcutaneously with 2.5x10 6 TRAMP-C2, on the right flank (n=8–10 per group). (F) pictogram depicts experimental design. Mice were administered mSTAR1302 (1 mg/kg, i.p.) when tumors reached 70–100mm 3 on days 22, 29, and 36, and docetaxel (500 µg, i.p.) on days 29, 31, and 33. Tumors were measured with mean (G) and individual (H) tumor volumes depicted. Inset numbers are tumor-free mice. Survival (I) was measured over time with mOS and 95% confidence intervals (shaded bands) depicted. Statistical tests: tumor growth: two-way ANOVA with Tukey’s post hoc test; comparison between groups: one-way ANOVA with Tukey’s post hoc test; survival; Mantel-Cox test. Error bars, SEM. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001. ANOVA, analysis of variance; FBS, fetal bovine serum; i.p., intraperitoneal; mets, metastases; s.c., subcutaneously.
    Androgen Independent Prostate Cell Line Tramp C2, supplied by ATCC, used in various techniques. Bioz Stars score: 96/100, based on 290 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/tramp+c2+cell+line+crl+2731/TRAMP-C2/pmc13272395-36-7-16
    Average 96 stars, based on 290 article reviews
    androgen independent prostate cell line tramp c2 - by Bioz Stars, 2026-11
    96/100 stars

    Images

    1) Product Images from "Docetaxel enhances Vβ-directed T-cell activation and antitumor immunity mediated by a bifunctional TCR agonist in breast and prostate cancer models"

    Article Title: Docetaxel enhances Vβ-directed T-cell activation and antitumor immunity mediated by a bifunctional TCR agonist in breast and prostate cancer models

    Journal: Frontiers in Immunology

    doi: 10.3389/fimmu.2026.1850760

    Combination therapy with docetaxel and mSTAR1302 elicits antitumor effects in triple negative breast cancer (4T1) and androgen-independent prostate cancer (TRAMP-C2) mouse models. (A–E) 8–12-week-old female Balb/c mice were inoculated subcutaneously with 5x10 4 4T1 in the mammary fat pad (n=8–10 per group). (A) pictogram depicts experimental design. When the tumors reached 40-70mm 3 , mice were administered 3 doses of mSTAR1302 (1 mg/kg, i.p.) once per week on days 9, 16, and 23 and 3 doses of docetaxel (500 µg, i.p.), every other day, 7 days post-initial mSTAR1302 treatment, on days 16, 18, and 20. Primary tumors were measured in terms of mean (B) and individual (C) tumor volumes, as depicted. Inset numbers are tumor-free mice. In two additional cohorts, to assess metastatic growth, lungs were removed from 4T1 tumor-bearing mice 28 days post-tumor inoculation following the same treatment schedule. Lungs were dissociated, cultured in medium (2x FBS with 6-thioguanine) and incubated at 37 °C with 5% CO 2 for 12 days. (D) a meta-analysis from two separate studies is depicted with closed and opened circles differentiating data collected from each study. Cell colonies representing lung metastases were stained with 0.05% methylene blue and counted for each treatment group (n=14–20 per group total). Survival (E) was measured over time with inset numbers depicting median overall survival (mOS) and shaded bands depicting 95% confidence intervals. (F–I) 8–12-week-old male C57bl/6 mice were inoculated subcutaneously with 2.5x10 6 TRAMP-C2, on the right flank (n=8–10 per group). (F) pictogram depicts experimental design. Mice were administered mSTAR1302 (1 mg/kg, i.p.) when tumors reached 70–100mm 3 on days 22, 29, and 36, and docetaxel (500 µg, i.p.) on days 29, 31, and 33. Tumors were measured with mean (G) and individual (H) tumor volumes depicted. Inset numbers are tumor-free mice. Survival (I) was measured over time with mOS and 95% confidence intervals (shaded bands) depicted. Statistical tests: tumor growth: two-way ANOVA with Tukey’s post hoc test; comparison between groups: one-way ANOVA with Tukey’s post hoc test; survival; Mantel-Cox test. Error bars, SEM. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001. ANOVA, analysis of variance; FBS, fetal bovine serum; i.p., intraperitoneal; mets, metastases; s.c., subcutaneously.
    Figure Legend Snippet: Combination therapy with docetaxel and mSTAR1302 elicits antitumor effects in triple negative breast cancer (4T1) and androgen-independent prostate cancer (TRAMP-C2) mouse models. (A–E) 8–12-week-old female Balb/c mice were inoculated subcutaneously with 5x10 4 4T1 in the mammary fat pad (n=8–10 per group). (A) pictogram depicts experimental design. When the tumors reached 40-70mm 3 , mice were administered 3 doses of mSTAR1302 (1 mg/kg, i.p.) once per week on days 9, 16, and 23 and 3 doses of docetaxel (500 µg, i.p.), every other day, 7 days post-initial mSTAR1302 treatment, on days 16, 18, and 20. Primary tumors were measured in terms of mean (B) and individual (C) tumor volumes, as depicted. Inset numbers are tumor-free mice. In two additional cohorts, to assess metastatic growth, lungs were removed from 4T1 tumor-bearing mice 28 days post-tumor inoculation following the same treatment schedule. Lungs were dissociated, cultured in medium (2x FBS with 6-thioguanine) and incubated at 37 °C with 5% CO 2 for 12 days. (D) a meta-analysis from two separate studies is depicted with closed and opened circles differentiating data collected from each study. Cell colonies representing lung metastases were stained with 0.05% methylene blue and counted for each treatment group (n=14–20 per group total). Survival (E) was measured over time with inset numbers depicting median overall survival (mOS) and shaded bands depicting 95% confidence intervals. (F–I) 8–12-week-old male C57bl/6 mice were inoculated subcutaneously with 2.5x10 6 TRAMP-C2, on the right flank (n=8–10 per group). (F) pictogram depicts experimental design. Mice were administered mSTAR1302 (1 mg/kg, i.p.) when tumors reached 70–100mm 3 on days 22, 29, and 36, and docetaxel (500 µg, i.p.) on days 29, 31, and 33. Tumors were measured with mean (G) and individual (H) tumor volumes depicted. Inset numbers are tumor-free mice. Survival (I) was measured over time with mOS and 95% confidence intervals (shaded bands) depicted. Statistical tests: tumor growth: two-way ANOVA with Tukey’s post hoc test; comparison between groups: one-way ANOVA with Tukey’s post hoc test; survival; Mantel-Cox test. Error bars, SEM. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001. ANOVA, analysis of variance; FBS, fetal bovine serum; i.p., intraperitoneal; mets, metastases; s.c., subcutaneously.

    Techniques Used: Cell Culture, Incubation, Staining, Comparison

    Docetaxel induces upregulation of death receptors TRAIL-R2 and FAS in 4T1 and TRAMP-C2 cells. (A) 4T1 and TRAMP-C2 cells were treated in vitro with either no drug or docetaxel (250 ng/mL) for 48 hours and analyzed for surface expression of FAS and TRAIL-R2 via flow cytometry. Histograms indicating frequency and gMFI are shown. Experiment repeated twice with similar results. (B) 4T1 and TRAMP-C2 cells were treated as described in <xref ref-type=Figure 1A and then co-cultured with TRAIL ligand or FAS ligand and protein G and measured for relative cell lysis compared to cells alone. (C, D) tumors harvested on day 28, after treatment as described in Figure 1A , were fixed for multiplex immunofluorescence staining and quantified for CD8 (green) and TRAIL-R2 or FAS (red) expression. (E) differential gene expression was interrogated using NanoString murine PanCancer immune profiling panel on tumors harvested on day 23 from 4T1 tumor-bearing Balb/c female mice, following treatment as previously described. Fold change compared to untreated tumors reported for TRAIL and FAS ligands. (F) 4T1 cells were exposed to docetaxel (250 ng/mL) for 48 hours and co-cultured with NK cells isolated from tumor-free Balb/c mice (E:T = 25:1) and monitored for relative NK-specific lysis of tumor cells for up to 8 hours post-effector addition. Statistical tests: comparison between groups: One-way ANOVA with Tukey’s post hoc test. comparison between two groups: unpaired T-test. Error bars, SEM. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001. ANOVA, analysis of variance; FoV, field of view; gMFI, geometric mean fluorescence intensity; NK, natural killer. " title="... of death receptors TRAIL-R2 and FAS in 4T1 and TRAMP-C2 cells. (A) 4T1 and TRAMP-C2 cells were ..." property="contentUrl" width="100%" height="100%"/>
    Figure Legend Snippet: Docetaxel induces upregulation of death receptors TRAIL-R2 and FAS in 4T1 and TRAMP-C2 cells. (A) 4T1 and TRAMP-C2 cells were treated in vitro with either no drug or docetaxel (250 ng/mL) for 48 hours and analyzed for surface expression of FAS and TRAIL-R2 via flow cytometry. Histograms indicating frequency and gMFI are shown. Experiment repeated twice with similar results. (B) 4T1 and TRAMP-C2 cells were treated as described in Figure 1A and then co-cultured with TRAIL ligand or FAS ligand and protein G and measured for relative cell lysis compared to cells alone. (C, D) tumors harvested on day 28, after treatment as described in Figure 1A , were fixed for multiplex immunofluorescence staining and quantified for CD8 (green) and TRAIL-R2 or FAS (red) expression. (E) differential gene expression was interrogated using NanoString murine PanCancer immune profiling panel on tumors harvested on day 23 from 4T1 tumor-bearing Balb/c female mice, following treatment as previously described. Fold change compared to untreated tumors reported for TRAIL and FAS ligands. (F) 4T1 cells were exposed to docetaxel (250 ng/mL) for 48 hours and co-cultured with NK cells isolated from tumor-free Balb/c mice (E:T = 25:1) and monitored for relative NK-specific lysis of tumor cells for up to 8 hours post-effector addition. Statistical tests: comparison between groups: One-way ANOVA with Tukey’s post hoc test. comparison between two groups: unpaired T-test. Error bars, SEM. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001. ANOVA, analysis of variance; FoV, field of view; gMFI, geometric mean fluorescence intensity; NK, natural killer.

    Techniques Used: In Vitro, Expressing, Flow Cytometry, Cell Culture, Lysis, Multiplex Assay, Immunofluorescence, Staining, Gene Expression, Isolation, Comparison, Fluorescence

    Antitumor activity of docetaxel and mSTAR1302 attenuated in TRAIL-R2 knockdown tumor mouse models. (A) TRAIL-R2 was knocked down via CRISPR in TRAMP-C2 and 4T1 cell lines. Flow cytometry was used to confirm expression in clones and WT cell lines. (B) 8–12-week-old male C57bl/6 mice were implanted with 2.5x10 6 TRAMP-C2 (n=10–12 per group) or TRAMP-C2 TRAIL-KO (n=7–9 per group) cells in the right flank. Treatment schedules for each group are depicted. Mean tumor volumes graphed. (C) 8–12-week-old female Balb/c mice were implanted with 5x10 4 4T1 (n=18–20 per group) or 4T1 TRAIL KO cells (n=10) in the mammary fat pad. WT 4T1 mice from this study were assessed concurrently in the study from <xref ref-type=Figure 7 and mean tumor volumes displayed in Figure 7C are the same tumor volumes displayed in Figure 7B . Statistical tests: tumor growth: two-way ANOVA with Tukey’s post hoc test. Error bars, SEM. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001. WT, wild type; KO, knockouts; CRISPR, clustered regularly interspaced short palindromic repeats; i.p., intraperitoneal; s.c., subcutaneously; ns, not significant. " title="... models. (A) TRAIL-R2 was knocked down via CRISPR in TRAMP-C2 and 4T1 cell lines. Flow cytometry was ..." property="contentUrl" width="100%" height="100%"/>
    Figure Legend Snippet: Antitumor activity of docetaxel and mSTAR1302 attenuated in TRAIL-R2 knockdown tumor mouse models. (A) TRAIL-R2 was knocked down via CRISPR in TRAMP-C2 and 4T1 cell lines. Flow cytometry was used to confirm expression in clones and WT cell lines. (B) 8–12-week-old male C57bl/6 mice were implanted with 2.5x10 6 TRAMP-C2 (n=10–12 per group) or TRAMP-C2 TRAIL-KO (n=7–9 per group) cells in the right flank. Treatment schedules for each group are depicted. Mean tumor volumes graphed. (C) 8–12-week-old female Balb/c mice were implanted with 5x10 4 4T1 (n=18–20 per group) or 4T1 TRAIL KO cells (n=10) in the mammary fat pad. WT 4T1 mice from this study were assessed concurrently in the study from Figure 7 and mean tumor volumes displayed in Figure 7C are the same tumor volumes displayed in Figure 7B . Statistical tests: tumor growth: two-way ANOVA with Tukey’s post hoc test. Error bars, SEM. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001. WT, wild type; KO, knockouts; CRISPR, clustered regularly interspaced short palindromic repeats; i.p., intraperitoneal; s.c., subcutaneously; ns, not significant.

    Techniques Used: Activity Assay, Knockdown, CRISPR, Flow Cytometry, Expressing, Clone Assay

    Related Articles

    other:

    Article Title: Single-cell clonal lineage tracing identifies the transcriptional program controlling the cell-fate decisions by neoantigen-specific CD8 + T cells
    Article Snippet: The TRAMP-C2 cell line (CRL-2731) (RRID: CVCL_3615) was purchased from the American Type Culture Collection (ATCC) in 2020 and has not been re-authenticated since purchase.



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    tramp c2 cell line  (ATCC)
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    Combination therapy with docetaxel and mSTAR1302 elicits antitumor effects in triple negative breast cancer (4T1) and androgen-independent prostate cancer <t>(TRAMP-C2)</t> mouse models. (A–E) 8–12-week-old female Balb/c mice were inoculated subcutaneously with 5x10 4 4T1 in the mammary fat pad (n=8–10 per group). (A) pictogram depicts experimental design. When the tumors reached 40-70mm 3 , mice were administered 3 doses of mSTAR1302 (1 mg/kg, i.p.) once per week on days 9, 16, and 23 and 3 doses of docetaxel (500 µg, i.p.), every other day, 7 days post-initial mSTAR1302 treatment, on days 16, 18, and 20. Primary tumors were measured in terms of mean (B) and individual (C) tumor volumes, as depicted. Inset numbers are tumor-free mice. In two additional cohorts, to assess metastatic growth, lungs were removed from 4T1 tumor-bearing mice 28 days post-tumor inoculation following the same treatment schedule. Lungs were dissociated, cultured in medium (2x FBS with 6-thioguanine) and incubated at 37 °C with 5% CO 2 for 12 days. (D) a meta-analysis from two separate studies is depicted with closed and opened circles differentiating data collected from each study. Cell colonies representing lung metastases were stained with 0.05% methylene blue and counted for each treatment group (n=14–20 per group total). Survival (E) was measured over time with inset numbers depicting median overall survival (mOS) and shaded bands depicting 95% confidence intervals. (F–I) 8–12-week-old male C57bl/6 mice were inoculated subcutaneously with 2.5x10 6 TRAMP-C2, on the right flank (n=8–10 per group). (F) pictogram depicts experimental design. Mice were administered mSTAR1302 (1 mg/kg, i.p.) when tumors reached 70–100mm 3 on days 22, 29, and 36, and docetaxel (500 µg, i.p.) on days 29, 31, and 33. Tumors were measured with mean (G) and individual (H) tumor volumes depicted. Inset numbers are tumor-free mice. Survival (I) was measured over time with mOS and 95% confidence intervals (shaded bands) depicted. Statistical tests: tumor growth: two-way ANOVA with Tukey’s post hoc test; comparison between groups: one-way ANOVA with Tukey’s post hoc test; survival; Mantel-Cox test. Error bars, SEM. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001. ANOVA, analysis of variance; FBS, fetal bovine serum; i.p., intraperitoneal; mets, metastases; s.c., subcutaneously.
    Tramp C2 Cell Line, supplied by ATCC, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    cell lines murine prostate adenocarcinoma tramp c2  (ATCC)
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    Combination therapy with docetaxel and mSTAR1302 elicits antitumor effects in triple negative breast cancer (4T1) and androgen-independent prostate cancer <t>(TRAMP-C2)</t> mouse models. (A–E) 8–12-week-old female Balb/c mice were inoculated subcutaneously with 5x10 4 4T1 in the mammary fat pad (n=8–10 per group). (A) pictogram depicts experimental design. When the tumors reached 40-70mm 3 , mice were administered 3 doses of mSTAR1302 (1 mg/kg, i.p.) once per week on days 9, 16, and 23 and 3 doses of docetaxel (500 µg, i.p.), every other day, 7 days post-initial mSTAR1302 treatment, on days 16, 18, and 20. Primary tumors were measured in terms of mean (B) and individual (C) tumor volumes, as depicted. Inset numbers are tumor-free mice. In two additional cohorts, to assess metastatic growth, lungs were removed from 4T1 tumor-bearing mice 28 days post-tumor inoculation following the same treatment schedule. Lungs were dissociated, cultured in medium (2x FBS with 6-thioguanine) and incubated at 37 °C with 5% CO 2 for 12 days. (D) a meta-analysis from two separate studies is depicted with closed and opened circles differentiating data collected from each study. Cell colonies representing lung metastases were stained with 0.05% methylene blue and counted for each treatment group (n=14–20 per group total). Survival (E) was measured over time with inset numbers depicting median overall survival (mOS) and shaded bands depicting 95% confidence intervals. (F–I) 8–12-week-old male C57bl/6 mice were inoculated subcutaneously with 2.5x10 6 TRAMP-C2, on the right flank (n=8–10 per group). (F) pictogram depicts experimental design. Mice were administered mSTAR1302 (1 mg/kg, i.p.) when tumors reached 70–100mm 3 on days 22, 29, and 36, and docetaxel (500 µg, i.p.) on days 29, 31, and 33. Tumors were measured with mean (G) and individual (H) tumor volumes depicted. Inset numbers are tumor-free mice. Survival (I) was measured over time with mOS and 95% confidence intervals (shaded bands) depicted. Statistical tests: tumor growth: two-way ANOVA with Tukey’s post hoc test; comparison between groups: one-way ANOVA with Tukey’s post hoc test; survival; Mantel-Cox test. Error bars, SEM. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001. ANOVA, analysis of variance; FBS, fetal bovine serum; i.p., intraperitoneal; mets, metastases; s.c., subcutaneously.
    Cell Lines Murine Prostate Adenocarcinoma Tramp C2, supplied by ATCC, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    cell lines tramp c2 atcc cat  (ATCC)
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    Combination therapy with docetaxel and mSTAR1302 elicits antitumor effects in triple negative breast cancer (4T1) and androgen-independent prostate cancer <t>(TRAMP-C2)</t> mouse models. (A–E) 8–12-week-old female Balb/c mice were inoculated subcutaneously with 5x10 4 4T1 in the mammary fat pad (n=8–10 per group). (A) pictogram depicts experimental design. When the tumors reached 40-70mm 3 , mice were administered 3 doses of mSTAR1302 (1 mg/kg, i.p.) once per week on days 9, 16, and 23 and 3 doses of docetaxel (500 µg, i.p.), every other day, 7 days post-initial mSTAR1302 treatment, on days 16, 18, and 20. Primary tumors were measured in terms of mean (B) and individual (C) tumor volumes, as depicted. Inset numbers are tumor-free mice. In two additional cohorts, to assess metastatic growth, lungs were removed from 4T1 tumor-bearing mice 28 days post-tumor inoculation following the same treatment schedule. Lungs were dissociated, cultured in medium (2x FBS with 6-thioguanine) and incubated at 37 °C with 5% CO 2 for 12 days. (D) a meta-analysis from two separate studies is depicted with closed and opened circles differentiating data collected from each study. Cell colonies representing lung metastases were stained with 0.05% methylene blue and counted for each treatment group (n=14–20 per group total). Survival (E) was measured over time with inset numbers depicting median overall survival (mOS) and shaded bands depicting 95% confidence intervals. (F–I) 8–12-week-old male C57bl/6 mice were inoculated subcutaneously with 2.5x10 6 TRAMP-C2, on the right flank (n=8–10 per group). (F) pictogram depicts experimental design. Mice were administered mSTAR1302 (1 mg/kg, i.p.) when tumors reached 70–100mm 3 on days 22, 29, and 36, and docetaxel (500 µg, i.p.) on days 29, 31, and 33. Tumors were measured with mean (G) and individual (H) tumor volumes depicted. Inset numbers are tumor-free mice. Survival (I) was measured over time with mOS and 95% confidence intervals (shaded bands) depicted. Statistical tests: tumor growth: two-way ANOVA with Tukey’s post hoc test; comparison between groups: one-way ANOVA with Tukey’s post hoc test; survival; Mantel-Cox test. Error bars, SEM. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001. ANOVA, analysis of variance; FBS, fetal bovine serum; i.p., intraperitoneal; mets, metastases; s.c., subcutaneously.
    Cell Lines Tramp C2 Atcc Cat, supplied by ATCC, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Combination therapy with docetaxel and mSTAR1302 elicits antitumor effects in triple negative breast cancer (4T1) and androgen-independent prostate cancer (TRAMP-C2) mouse models. (A–E) 8–12-week-old female Balb/c mice were inoculated subcutaneously with 5x10 4 4T1 in the mammary fat pad (n=8–10 per group). (A) pictogram depicts experimental design. When the tumors reached 40-70mm 3 , mice were administered 3 doses of mSTAR1302 (1 mg/kg, i.p.) once per week on days 9, 16, and 23 and 3 doses of docetaxel (500 µg, i.p.), every other day, 7 days post-initial mSTAR1302 treatment, on days 16, 18, and 20. Primary tumors were measured in terms of mean (B) and individual (C) tumor volumes, as depicted. Inset numbers are tumor-free mice. In two additional cohorts, to assess metastatic growth, lungs were removed from 4T1 tumor-bearing mice 28 days post-tumor inoculation following the same treatment schedule. Lungs were dissociated, cultured in medium (2x FBS with 6-thioguanine) and incubated at 37 °C with 5% CO 2 for 12 days. (D) a meta-analysis from two separate studies is depicted with closed and opened circles differentiating data collected from each study. Cell colonies representing lung metastases were stained with 0.05% methylene blue and counted for each treatment group (n=14–20 per group total). Survival (E) was measured over time with inset numbers depicting median overall survival (mOS) and shaded bands depicting 95% confidence intervals. (F–I) 8–12-week-old male C57bl/6 mice were inoculated subcutaneously with 2.5x10 6 TRAMP-C2, on the right flank (n=8–10 per group). (F) pictogram depicts experimental design. Mice were administered mSTAR1302 (1 mg/kg, i.p.) when tumors reached 70–100mm 3 on days 22, 29, and 36, and docetaxel (500 µg, i.p.) on days 29, 31, and 33. Tumors were measured with mean (G) and individual (H) tumor volumes depicted. Inset numbers are tumor-free mice. Survival (I) was measured over time with mOS and 95% confidence intervals (shaded bands) depicted. Statistical tests: tumor growth: two-way ANOVA with Tukey’s post hoc test; comparison between groups: one-way ANOVA with Tukey’s post hoc test; survival; Mantel-Cox test. Error bars, SEM. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001. ANOVA, analysis of variance; FBS, fetal bovine serum; i.p., intraperitoneal; mets, metastases; s.c., subcutaneously.

    Journal: Frontiers in Immunology

    Article Title: Docetaxel enhances Vβ-directed T-cell activation and antitumor immunity mediated by a bifunctional TCR agonist in breast and prostate cancer models

    doi: 10.3389/fimmu.2026.1850760

    Figure Lengend Snippet: Combination therapy with docetaxel and mSTAR1302 elicits antitumor effects in triple negative breast cancer (4T1) and androgen-independent prostate cancer (TRAMP-C2) mouse models. (A–E) 8–12-week-old female Balb/c mice were inoculated subcutaneously with 5x10 4 4T1 in the mammary fat pad (n=8–10 per group). (A) pictogram depicts experimental design. When the tumors reached 40-70mm 3 , mice were administered 3 doses of mSTAR1302 (1 mg/kg, i.p.) once per week on days 9, 16, and 23 and 3 doses of docetaxel (500 µg, i.p.), every other day, 7 days post-initial mSTAR1302 treatment, on days 16, 18, and 20. Primary tumors were measured in terms of mean (B) and individual (C) tumor volumes, as depicted. Inset numbers are tumor-free mice. In two additional cohorts, to assess metastatic growth, lungs were removed from 4T1 tumor-bearing mice 28 days post-tumor inoculation following the same treatment schedule. Lungs were dissociated, cultured in medium (2x FBS with 6-thioguanine) and incubated at 37 °C with 5% CO 2 for 12 days. (D) a meta-analysis from two separate studies is depicted with closed and opened circles differentiating data collected from each study. Cell colonies representing lung metastases were stained with 0.05% methylene blue and counted for each treatment group (n=14–20 per group total). Survival (E) was measured over time with inset numbers depicting median overall survival (mOS) and shaded bands depicting 95% confidence intervals. (F–I) 8–12-week-old male C57bl/6 mice were inoculated subcutaneously with 2.5x10 6 TRAMP-C2, on the right flank (n=8–10 per group). (F) pictogram depicts experimental design. Mice were administered mSTAR1302 (1 mg/kg, i.p.) when tumors reached 70–100mm 3 on days 22, 29, and 36, and docetaxel (500 µg, i.p.) on days 29, 31, and 33. Tumors were measured with mean (G) and individual (H) tumor volumes depicted. Inset numbers are tumor-free mice. Survival (I) was measured over time with mOS and 95% confidence intervals (shaded bands) depicted. Statistical tests: tumor growth: two-way ANOVA with Tukey’s post hoc test; comparison between groups: one-way ANOVA with Tukey’s post hoc test; survival; Mantel-Cox test. Error bars, SEM. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001. ANOVA, analysis of variance; FBS, fetal bovine serum; i.p., intraperitoneal; mets, metastases; s.c., subcutaneously.

    Article Snippet: The murine TNBC cell line 4T1 and androgen-independent prostate cell line TRAMP-C2 were obtained from the American Type Culture Collection (ATCC; Manassas, VA, USA) and cultured according to ATCC recommendations.

    Techniques: Cell Culture, Incubation, Staining, Comparison

    Docetaxel induces upregulation of death receptors TRAIL-R2 and FAS in 4T1 and TRAMP-C2 cells. (A) 4T1 and TRAMP-C2 cells were treated in vitro with either no drug or docetaxel (250 ng/mL) for 48 hours and analyzed for surface expression of FAS and TRAIL-R2 via flow cytometry. Histograms indicating frequency and gMFI are shown. Experiment repeated twice with similar results. (B) 4T1 and TRAMP-C2 cells were treated as described in <xref ref-type=Figure 1A and then co-cultured with TRAIL ligand or FAS ligand and protein G and measured for relative cell lysis compared to cells alone. (C, D) tumors harvested on day 28, after treatment as described in Figure 1A , were fixed for multiplex immunofluorescence staining and quantified for CD8 (green) and TRAIL-R2 or FAS (red) expression. (E) differential gene expression was interrogated using NanoString murine PanCancer immune profiling panel on tumors harvested on day 23 from 4T1 tumor-bearing Balb/c female mice, following treatment as previously described. Fold change compared to untreated tumors reported for TRAIL and FAS ligands. (F) 4T1 cells were exposed to docetaxel (250 ng/mL) for 48 hours and co-cultured with NK cells isolated from tumor-free Balb/c mice (E:T = 25:1) and monitored for relative NK-specific lysis of tumor cells for up to 8 hours post-effector addition. Statistical tests: comparison between groups: One-way ANOVA with Tukey’s post hoc test. comparison between two groups: unpaired T-test. Error bars, SEM. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001. ANOVA, analysis of variance; FoV, field of view; gMFI, geometric mean fluorescence intensity; NK, natural killer. " width="100%" height="100%">

    Journal: Frontiers in Immunology

    Article Title: Docetaxel enhances Vβ-directed T-cell activation and antitumor immunity mediated by a bifunctional TCR agonist in breast and prostate cancer models

    doi: 10.3389/fimmu.2026.1850760

    Figure Lengend Snippet: Docetaxel induces upregulation of death receptors TRAIL-R2 and FAS in 4T1 and TRAMP-C2 cells. (A) 4T1 and TRAMP-C2 cells were treated in vitro with either no drug or docetaxel (250 ng/mL) for 48 hours and analyzed for surface expression of FAS and TRAIL-R2 via flow cytometry. Histograms indicating frequency and gMFI are shown. Experiment repeated twice with similar results. (B) 4T1 and TRAMP-C2 cells were treated as described in Figure 1A and then co-cultured with TRAIL ligand or FAS ligand and protein G and measured for relative cell lysis compared to cells alone. (C, D) tumors harvested on day 28, after treatment as described in Figure 1A , were fixed for multiplex immunofluorescence staining and quantified for CD8 (green) and TRAIL-R2 or FAS (red) expression. (E) differential gene expression was interrogated using NanoString murine PanCancer immune profiling panel on tumors harvested on day 23 from 4T1 tumor-bearing Balb/c female mice, following treatment as previously described. Fold change compared to untreated tumors reported for TRAIL and FAS ligands. (F) 4T1 cells were exposed to docetaxel (250 ng/mL) for 48 hours and co-cultured with NK cells isolated from tumor-free Balb/c mice (E:T = 25:1) and monitored for relative NK-specific lysis of tumor cells for up to 8 hours post-effector addition. Statistical tests: comparison between groups: One-way ANOVA with Tukey’s post hoc test. comparison between two groups: unpaired T-test. Error bars, SEM. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001. ANOVA, analysis of variance; FoV, field of view; gMFI, geometric mean fluorescence intensity; NK, natural killer.

    Article Snippet: The murine TNBC cell line 4T1 and androgen-independent prostate cell line TRAMP-C2 were obtained from the American Type Culture Collection (ATCC; Manassas, VA, USA) and cultured according to ATCC recommendations.

    Techniques: In Vitro, Expressing, Flow Cytometry, Cell Culture, Lysis, Multiplex Assay, Immunofluorescence, Staining, Gene Expression, Isolation, Comparison, Fluorescence

    Antitumor activity of docetaxel and mSTAR1302 attenuated in TRAIL-R2 knockdown tumor mouse models. (A) TRAIL-R2 was knocked down via CRISPR in TRAMP-C2 and 4T1 cell lines. Flow cytometry was used to confirm expression in clones and WT cell lines. (B) 8–12-week-old male C57bl/6 mice were implanted with 2.5x10 6 TRAMP-C2 (n=10–12 per group) or TRAMP-C2 TRAIL-KO (n=7–9 per group) cells in the right flank. Treatment schedules for each group are depicted. Mean tumor volumes graphed. (C) 8–12-week-old female Balb/c mice were implanted with 5x10 4 4T1 (n=18–20 per group) or 4T1 TRAIL KO cells (n=10) in the mammary fat pad. WT 4T1 mice from this study were assessed concurrently in the study from <xref ref-type=Figure 7 and mean tumor volumes displayed in Figure 7C are the same tumor volumes displayed in Figure 7B . Statistical tests: tumor growth: two-way ANOVA with Tukey’s post hoc test. Error bars, SEM. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001. WT, wild type; KO, knockouts; CRISPR, clustered regularly interspaced short palindromic repeats; i.p., intraperitoneal; s.c., subcutaneously; ns, not significant. " width="100%" height="100%">

    Journal: Frontiers in Immunology

    Article Title: Docetaxel enhances Vβ-directed T-cell activation and antitumor immunity mediated by a bifunctional TCR agonist in breast and prostate cancer models

    doi: 10.3389/fimmu.2026.1850760

    Figure Lengend Snippet: Antitumor activity of docetaxel and mSTAR1302 attenuated in TRAIL-R2 knockdown tumor mouse models. (A) TRAIL-R2 was knocked down via CRISPR in TRAMP-C2 and 4T1 cell lines. Flow cytometry was used to confirm expression in clones and WT cell lines. (B) 8–12-week-old male C57bl/6 mice were implanted with 2.5x10 6 TRAMP-C2 (n=10–12 per group) or TRAMP-C2 TRAIL-KO (n=7–9 per group) cells in the right flank. Treatment schedules for each group are depicted. Mean tumor volumes graphed. (C) 8–12-week-old female Balb/c mice were implanted with 5x10 4 4T1 (n=18–20 per group) or 4T1 TRAIL KO cells (n=10) in the mammary fat pad. WT 4T1 mice from this study were assessed concurrently in the study from Figure 7 and mean tumor volumes displayed in Figure 7C are the same tumor volumes displayed in Figure 7B . Statistical tests: tumor growth: two-way ANOVA with Tukey’s post hoc test. Error bars, SEM. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001. WT, wild type; KO, knockouts; CRISPR, clustered regularly interspaced short palindromic repeats; i.p., intraperitoneal; s.c., subcutaneously; ns, not significant.

    Article Snippet: The murine TNBC cell line 4T1 and androgen-independent prostate cell line TRAMP-C2 were obtained from the American Type Culture Collection (ATCC; Manassas, VA, USA) and cultured according to ATCC recommendations.

    Techniques: Activity Assay, Knockdown, CRISPR, Flow Cytometry, Expressing, Clone Assay