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cd4 cd62l t cell isolation kit  (Miltenyi Biotec)


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    Structured Review

    Miltenyi Biotec cd4 cd62l t cell isolation kit
    C57BL/6 mice were treated with CPT-11, and immune responses were determined by flow cytometry (FCM). a Total number of immune cells in spleen and lymph nodes (LNs) of mice treated with PBS (control) or CPT-11 ( n = 4 mice per group). b , c Bar graphs show the frequency of Ki67 + <t>CD4</t> + and Ki67 + CD8 + T cells in the indicated groups. d Representative fluorescence-activated cell sorting (FACS) plots of indicated groups. e – j Bar graphs showing frequencies of IFN-γ + CD4 + T (Th1) cells, T-bet + CD4 + T (Th1) cells, IFN-γ + CD8 + T cells, IL-17 + CD4 + T (Th17) cells, IL-4 + CD4 + T (Th2) cells, and FoxP3 + CD4 + Treg cells in indicated groups. Data are representative of two independent experiments. Summary data are presented as mean ± s.d. * p < 0.05, ** p < 0.01, *** p < 0.001, **** p < 0.0001; by unpaired two-tailed Student’s t-tests. See also Supplementary Fig. .
    Cd4 Cd62l T Cell Isolation Kit, supplied by Miltenyi Biotec, used in various techniques. Bioz Stars score: 96/100, based on 52 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/cd4+kit/CD4%2BCD62L%2B+T+Cell+Isolation+Kit%2C+mouse/pmc11069576-253-77-86
    Average 96 stars, based on 52 article reviews
    cd4 cd62l t cell isolation kit - by Bioz Stars, 2026-10
    96/100 stars

    Images

    1) Product Images from "CPT-11 mitigates autoimmune diseases by suppressing effector T cells without affecting long-term anti-tumor immunity"

    Article Title: CPT-11 mitigates autoimmune diseases by suppressing effector T cells without affecting long-term anti-tumor immunity

    Journal: Cell Death Discovery

    doi: 10.1038/s41420-024-01983-8

    C57BL/6 mice were treated with CPT-11, and immune responses were determined by flow cytometry (FCM). a Total number of immune cells in spleen and lymph nodes (LNs) of mice treated with PBS (control) or CPT-11 ( n = 4 mice per group). b , c Bar graphs show the frequency of Ki67 + CD4 + and Ki67 + CD8 + T cells in the indicated groups. d Representative fluorescence-activated cell sorting (FACS) plots of indicated groups. e – j Bar graphs showing frequencies of IFN-γ + CD4 + T (Th1) cells, T-bet + CD4 + T (Th1) cells, IFN-γ + CD8 + T cells, IL-17 + CD4 + T (Th17) cells, IL-4 + CD4 + T (Th2) cells, and FoxP3 + CD4 + Treg cells in indicated groups. Data are representative of two independent experiments. Summary data are presented as mean ± s.d. * p < 0.05, ** p < 0.01, *** p < 0.001, **** p < 0.0001; by unpaired two-tailed Student’s t-tests. See also Supplementary Fig. .
    Figure Legend Snippet: C57BL/6 mice were treated with CPT-11, and immune responses were determined by flow cytometry (FCM). a Total number of immune cells in spleen and lymph nodes (LNs) of mice treated with PBS (control) or CPT-11 ( n = 4 mice per group). b , c Bar graphs show the frequency of Ki67 + CD4 + and Ki67 + CD8 + T cells in the indicated groups. d Representative fluorescence-activated cell sorting (FACS) plots of indicated groups. e – j Bar graphs showing frequencies of IFN-γ + CD4 + T (Th1) cells, T-bet + CD4 + T (Th1) cells, IFN-γ + CD8 + T cells, IL-17 + CD4 + T (Th17) cells, IL-4 + CD4 + T (Th2) cells, and FoxP3 + CD4 + Treg cells in indicated groups. Data are representative of two independent experiments. Summary data are presented as mean ± s.d. * p < 0.05, ** p < 0.01, *** p < 0.001, **** p < 0.0001; by unpaired two-tailed Student’s t-tests. See also Supplementary Fig. .

    Techniques Used: Flow Cytometry, Control, Fluorescence, FACS, Two Tailed Test

    C57BL/6 mice were challenged with CFA (subcutaneous injection) and treated with CPT-11 or PBS, and immune responses in spleen and LNs were determined using FCM. a Total number of immune cells in the spleen and LNs of mice treated with PBS (control) or CPT-11. ( n = 4 mice per group). b Representative FACS plots of indicated groups. c – g Bar graphs showing frequencies of Ki67 + CD4 + and Ki67 + CD8 + T cells, IFN-γ + CD4 + Th1 cells, IL-17 + CD4 + Th17 cells, and IFN-γ + CD8 + cells from indicated mice. Data are representative of two independent experiments. Summary data are presented as mean ± s.d. ** p < 0.01, *** p < 0.001, **** p < 0.0001; by unpaired two-tailed Student’s t-tests. See also Supplementary Fig. .
    Figure Legend Snippet: C57BL/6 mice were challenged with CFA (subcutaneous injection) and treated with CPT-11 or PBS, and immune responses in spleen and LNs were determined using FCM. a Total number of immune cells in the spleen and LNs of mice treated with PBS (control) or CPT-11. ( n = 4 mice per group). b Representative FACS plots of indicated groups. c – g Bar graphs showing frequencies of Ki67 + CD4 + and Ki67 + CD8 + T cells, IFN-γ + CD4 + Th1 cells, IL-17 + CD4 + Th17 cells, and IFN-γ + CD8 + cells from indicated mice. Data are representative of two independent experiments. Summary data are presented as mean ± s.d. ** p < 0.01, *** p < 0.001, **** p < 0.0001; by unpaired two-tailed Student’s t-tests. See also Supplementary Fig. .

    Techniques Used: Injection, Control, Two Tailed Test

    CD4 + CD25 − CD62L high (naive) T cells isolated from spleen and LNs of C57BL/6 mice were cultured with anti-CD3 and anti-CD28, with or without CPT-11 for 1-3 d. Cell proliferation, cell apoptosis, and cell differentiation were determined using FCM ( n = 3). a , b Representative FACS plots ( a ) and bar graph ( b ) showing non-proliferative T cell frequencies in T cells cultured for 3 d. c , d Representative FACS plots ( c ) and bar graph ( d ) showing apoptotic T cell frequencies in T cells cultured for 24 h. e , f Representative FACS plots ( e ) and bar graph ( f ) showing the frequency of Th1 cells in T cells cultured for 3 d in the presence of IL-12. g , h Representative FACS plots ( g ) and bar graph ( h ) showing frequencies of Th17 cells among T cells cultured for 3 d in the presence of TGF-β and IL-6. Data are representative of three independent experiments ( a , c , e , g ) or are pooled from three independent experiments ( b , d , f , h ). Summary data are presented as mean ± s.d. * p < 0.05, ** p < 0.01, *** p < 0.001, **** p < 0.0001; by unpaired two-tailed Student’s t-tests. See also Supplementary Fig. .
    Figure Legend Snippet: CD4 + CD25 − CD62L high (naive) T cells isolated from spleen and LNs of C57BL/6 mice were cultured with anti-CD3 and anti-CD28, with or without CPT-11 for 1-3 d. Cell proliferation, cell apoptosis, and cell differentiation were determined using FCM ( n = 3). a , b Representative FACS plots ( a ) and bar graph ( b ) showing non-proliferative T cell frequencies in T cells cultured for 3 d. c , d Representative FACS plots ( c ) and bar graph ( d ) showing apoptotic T cell frequencies in T cells cultured for 24 h. e , f Representative FACS plots ( e ) and bar graph ( f ) showing the frequency of Th1 cells in T cells cultured for 3 d in the presence of IL-12. g , h Representative FACS plots ( g ) and bar graph ( h ) showing frequencies of Th17 cells among T cells cultured for 3 d in the presence of TGF-β and IL-6. Data are representative of three independent experiments ( a , c , e , g ) or are pooled from three independent experiments ( b , d , f , h ). Summary data are presented as mean ± s.d. * p < 0.05, ** p < 0.01, *** p < 0.001, **** p < 0.0001; by unpaired two-tailed Student’s t-tests. See also Supplementary Fig. .

    Techniques Used: Isolation, Cell Culture, Cell Differentiation, Two Tailed Test

    C57BL/6 mice were administered IMQ cream on a 2.5 cm × 2.5 cm patch of shaved back skin daily for 7 consecutive days, and were injected with CPT-11 or PBS intraperitoneally once per day ( n = 12 mice per group). a Statistical analysis of epidermal thickness. b Representative histological skin images. c – k Bar graphs showing frequencies of Ki67 + CD4 + T cells ( c ), Ki67 + CD8 + T cells ( d ), IL-17 + CD4 + Th17 cells ( e ), RORγt + CD4 + Th17 cells ( f ), IFN-γ + CD4 + Th1 cells ( g ), T-bet + CD4 + Th1 cells ( h ), IFN-γ + CD8 + T cells ( i ), IL-4 + CD4 + Th2 cells ( j ) and FoxP3 + CD4 + Treg cells ( k ) in the spleen (SPL) and draining lymph nodes (DLN) of indicated groups. Data are representative of three independent experiments ( a , b ) or are pooled from three independent experiments ( c – k ). Summary data are presented as mean ± s.d. * p < 0.05, ** p < 0.01, *** p < 0.001, **** p < 0.0001; by a one-way analysis of variance (ANOVA) with Tukey’s post hoc test. See also Supplementary Fig. .
    Figure Legend Snippet: C57BL/6 mice were administered IMQ cream on a 2.5 cm × 2.5 cm patch of shaved back skin daily for 7 consecutive days, and were injected with CPT-11 or PBS intraperitoneally once per day ( n = 12 mice per group). a Statistical analysis of epidermal thickness. b Representative histological skin images. c – k Bar graphs showing frequencies of Ki67 + CD4 + T cells ( c ), Ki67 + CD8 + T cells ( d ), IL-17 + CD4 + Th17 cells ( e ), RORγt + CD4 + Th17 cells ( f ), IFN-γ + CD4 + Th1 cells ( g ), T-bet + CD4 + Th1 cells ( h ), IFN-γ + CD8 + T cells ( i ), IL-4 + CD4 + Th2 cells ( j ) and FoxP3 + CD4 + Treg cells ( k ) in the spleen (SPL) and draining lymph nodes (DLN) of indicated groups. Data are representative of three independent experiments ( a , b ) or are pooled from three independent experiments ( c – k ). Summary data are presented as mean ± s.d. * p < 0.05, ** p < 0.01, *** p < 0.001, **** p < 0.0001; by a one-way analysis of variance (ANOVA) with Tukey’s post hoc test. See also Supplementary Fig. .

    Techniques Used: Cream, Injection

    C57BL/6 mice were subcutaneously immunized with MOG peptide 35–55 emulsified in complete Freund’s adjuvant to induce EAE, and treated with CPT-11 or PBS daily from day 9. a EAE clinical scores of the indicated groups ( n = 10 mice per group). b Representative Luxol Fast Blue (LFB) staining of cervical spinal cord sections. c Representative histological images of cervical spinal cord sections. d , e Representative FACS plots ( d ) and bar graph ( e ) showing frequencies of CD3 + T cells in the brain and spinal cord. f , g Representative FACS plots ( f ) and bar graph ( g ) showing frequencies of IFN-γ + CD4 + Th1 cells in brain and spinal cord. h – k Representative FACS plots ( h , j ) and bar graphs ( l , k ) showing frequencies of Th17 cells in brain and spinal cord. l Bar graph showing frequencies of Foxp3 + Treg cells in brain and spinal cord. Data are representative of two independent experiments ( a – c ) or are pooled from two independent experiments ( d – l ). Summary data are presented as mean ± s.d. * p < 0.05, ** p < 0.01, *** p < 0.001, **** p < 0.0001; by unpaired two-tailed Student’s t-tests. See also Supplementary Fig. .
    Figure Legend Snippet: C57BL/6 mice were subcutaneously immunized with MOG peptide 35–55 emulsified in complete Freund’s adjuvant to induce EAE, and treated with CPT-11 or PBS daily from day 9. a EAE clinical scores of the indicated groups ( n = 10 mice per group). b Representative Luxol Fast Blue (LFB) staining of cervical spinal cord sections. c Representative histological images of cervical spinal cord sections. d , e Representative FACS plots ( d ) and bar graph ( e ) showing frequencies of CD3 + T cells in the brain and spinal cord. f , g Representative FACS plots ( f ) and bar graph ( g ) showing frequencies of IFN-γ + CD4 + Th1 cells in brain and spinal cord. h – k Representative FACS plots ( h , j ) and bar graphs ( l , k ) showing frequencies of Th17 cells in brain and spinal cord. l Bar graph showing frequencies of Foxp3 + Treg cells in brain and spinal cord. Data are representative of two independent experiments ( a – c ) or are pooled from two independent experiments ( d – l ). Summary data are presented as mean ± s.d. * p < 0.05, ** p < 0.01, *** p < 0.001, **** p < 0.0001; by unpaired two-tailed Student’s t-tests. See also Supplementary Fig. .

    Techniques Used: Adjuvant, Staining, Two Tailed Test

    C57BL/6 mice were administered IMQ cream on shaved 2.5 cm × 2.5 cm patches of back skin daily for 7 consecutive days and were injected with CPT-11 or PBS intraperitoneally once per day. Approximately 5 weeks after psoriasis induction and treatment, the mice were injected with B16 cells to establish a tumor-bearing model ( n = 7 mice per group). a Experimental scheme of the B16 tumor-bearing model after psoriasis induction and treatment. b Tumor growth curves. c – j Representative FACS plots ( c , e , g , i ) and Bar graphs ( d , f , h , j ) showing frequencies of Ki67 + CD4 + T cells ( c , d ), IFN-γ + CD4 + Th1 cells ( e , f ), IFN-γ + CD8 + cells ( g , h ), and FoxP3 + CD4 + Treg cells ( i , j ). Data are representative of two independent experiments ( b – d ) or are pooled from two independent experiments ( e – j ). Summary data are presented as mean ± s.d. * p < 0.05, ** p < 0.01, **** p < 0.0001; by unpaired two-tailed Student’s t-tests. See also Supplementary Fig. .
    Figure Legend Snippet: C57BL/6 mice were administered IMQ cream on shaved 2.5 cm × 2.5 cm patches of back skin daily for 7 consecutive days and were injected with CPT-11 or PBS intraperitoneally once per day. Approximately 5 weeks after psoriasis induction and treatment, the mice were injected with B16 cells to establish a tumor-bearing model ( n = 7 mice per group). a Experimental scheme of the B16 tumor-bearing model after psoriasis induction and treatment. b Tumor growth curves. c – j Representative FACS plots ( c , e , g , i ) and Bar graphs ( d , f , h , j ) showing frequencies of Ki67 + CD4 + T cells ( c , d ), IFN-γ + CD4 + Th1 cells ( e , f ), IFN-γ + CD8 + cells ( g , h ), and FoxP3 + CD4 + Treg cells ( i , j ). Data are representative of two independent experiments ( b – d ) or are pooled from two independent experiments ( e – j ). Summary data are presented as mean ± s.d. * p < 0.05, ** p < 0.01, **** p < 0.0001; by unpaired two-tailed Student’s t-tests. See also Supplementary Fig. .

    Techniques Used: Cream, Injection, Two Tailed Test

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    Cell Isolation:

    Article Title: IL-4 triggers salivary duct dilatation via SHH signaling and exacerbates Sjögren's disease.
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    Article Title: Protective effects of an Fc-engineered PD-L1 fusion protein in a spontaneous abortion model and a Th17 cell–induced pregnancy loss model
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    Article Title: Mechanism of Babao Dan on fluorouracil-induced bone marrow suppression and T cell immune disorder through MAPK pathway.
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    Selection:

    Article Title: Protective effects of an Fc-engineered PD-L1 fusion protein in a spontaneous abortion model and a Th17 cell–induced pregnancy loss model
    Article Snippet: .. To develop the passive transfer of the Th17 cell model, immune cells were isolated from the spleens of virgin female C57BL/6 mice, and naïve CD4 + T cells were obtained by the positive selection of D62L + cells (CD4 + CD62L + T Cell Isolation Kit II; Miltenyi Biotec). ..

    Purification:

    Article Title: PDLIM4 promotes dephosphorylation of STAT transcription factors by recruiting PTP-BL and inhibits Th1, Th2, and Th17 cell differentiation.
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    Cell Culture:

    Article Title: Enhancing effects of Mycoplasma pneumoniae antigens on Th2-attracting chemokine responses by murine splenocytes.
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    Miltenyi Biotec human cd4 cd25 regulatory t cell isolation kit
    PBA-0111 demonstrates potent ADCC against GARP and GARP/TGF-β1 positive tumor cells and Tregs, accompanied by NK cell activation. (A) Raji-GARP target cells were treated with serial dilutions (0.00001-100 nM) of PBA-0111, DS-1055a-like antibody, or afucosylated isotype control and subjected to NK cell-mediated lysis for 4 h at 37 °C at an Effector: Target ratio of 10:1. Cell killing was analyzed by flow cytometry using live/dead stain. Data are shown as mean ± SD from a representative pool of three independent donors tested in duplicate. (B) ADCC was performed against Raji-GARP/TGF-β1 target cells (n=6, from 3 independent donors) using the same conditions as in (A) . (C) ADCC against the L-428 lymphoma cell line (n=6, from 3 independent donors). (D) ADCC against in vitro differentiated Tregs. <t>CD4+CD25high</t> T cells isolated from healthy donor PBMCs were stimulated with anti-CD3/CD28 beads to generate regulatory T cells, then subjected to autologous NK-mediated cellular lysis overnight at 37 °C in the presence of indicated anti-GARP antibodies. Data represent pooled results from three independent donors tested in duplicate, mean ± SD. (E) PBMCs (n=3 donors, in 2 replicates) were co-incubated with Raji-GARP/TGF-β1 cells and either PBA-0111, DS-1055a-like antibody, or afucosylated isotype control (IgG.aF) at 5 nM for 4 hours. NK cells were then analyzed by flow cytometry for CD107a expression in the presence of Golgi stop. (F) The same NK cells were analyzed for IFN-γ and (G) TNF-α production. Data are expressed as fold change relative to the afucosylated isotype control. Statistical significance versus IgG1.aF was assessed by Kruskal-Wallis with Dunn´s multiple comparison, *p< 0.05, **p< 0.01, ***p< 0.001.
    Human Cd4 Cd25 Regulatory T Cell Isolation Kit, supplied by Miltenyi Biotec, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/cd4+kit/CD4%2BCD25%2B+Regulatory+T+Cell+Isolation+Kit%2C+human/pmc13627347-100-19-29
    Average 96 stars, based on 1 article reviews
    human cd4 cd25 regulatory t cell isolation kit - by Bioz Stars, 2026-10
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    97
    Miltenyi Biotec mouse naïve cd4 t cell isolation kit

    Mouse Naïve Cd4 T Cell Isolation Kit, supplied by Miltenyi Biotec, used in various techniques. Bioz Stars score: 97/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/cd4+kit/Naive+CD4%2B+T+Cell+Isolation+Kit%2C+mouse/pmc13639900-1243-0-8
    Average 97 stars, based on 1 article reviews
    mouse naïve cd4 t cell isolation kit - by Bioz Stars, 2026-10
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    Image Search Results


    (A) Representative dot plots of isolated peripheral blood mononuclear cells (PBMCs) before (upper row) and after (lower row) total CD4 + cells magnetic‐activated cell sorting (MACS) from a young donor. Cells are gated on the living population and checked for CD4 vs. CD8 (left panels), CD45RA vs. CD28 expression (middle panels), and for CD127 vs. CD25 (right panels) expression. Frequencies of CD4 + Foxp3 + (B) and CD25 + of CD4 + Foxp3 + (C) cells are shown after 4 days of in vitro induction of Treg cells in the presence of 10% fetal calf serum (FCS) containing medium RPMI or in serum‐free medium XVivo‐15 (MEAN; n = 2, young donors).

    Journal: FEBS Open Bio

    Article Title: In vitro generation of regulatory T cells: A challenging tool for studying immune aging in humans

    doi: 10.1002/2211-5463.70349

    Figure Lengend Snippet: (A) Representative dot plots of isolated peripheral blood mononuclear cells (PBMCs) before (upper row) and after (lower row) total CD4 + cells magnetic‐activated cell sorting (MACS) from a young donor. Cells are gated on the living population and checked for CD4 vs. CD8 (left panels), CD45RA vs. CD28 expression (middle panels), and for CD127 vs. CD25 (right panels) expression. Frequencies of CD4 + Foxp3 + (B) and CD25 + of CD4 + Foxp3 + (C) cells are shown after 4 days of in vitro induction of Treg cells in the presence of 10% fetal calf serum (FCS) containing medium RPMI or in serum‐free medium XVivo‐15 (MEAN; n = 2, young donors).

    Article Snippet: For the purification of total CD4 + T cells, we used the Miltenyi Biotec CD4 T‐cell Kit (130‐096‐533) according to the manufacturer's protocol.

    Techniques: Isolation, FACS, Expressing, In Vitro

    Frequency of Foxp3 + CD4 + cells (A) and CD25 expression in Foxp3 + cells (B) after 6 days of induction in TCR‐stimulated cells in the presence of IL‐2 (iTreg IL‐2 ) only or IL‐2 + TGF‐β (iTreg TGFβ ) in young and older individuals. (Mean ± SEM; n ≥ 3). Statistical significance P < 0.05*, and P < 0.01** (two‐way ANOVA with Sidak's post hoc test).

    Journal: FEBS Open Bio

    Article Title: In vitro generation of regulatory T cells: A challenging tool for studying immune aging in humans

    doi: 10.1002/2211-5463.70349

    Figure Lengend Snippet: Frequency of Foxp3 + CD4 + cells (A) and CD25 expression in Foxp3 + cells (B) after 6 days of induction in TCR‐stimulated cells in the presence of IL‐2 (iTreg IL‐2 ) only or IL‐2 + TGF‐β (iTreg TGFβ ) in young and older individuals. (Mean ± SEM; n ≥ 3). Statistical significance P < 0.05*, and P < 0.01** (two‐way ANOVA with Sidak's post hoc test).

    Article Snippet: For the purification of total CD4 + T cells, we used the Miltenyi Biotec CD4 T‐cell Kit (130‐096‐533) according to the manufacturer's protocol.

    Techniques: Expressing

    PBA-0111 demonstrates potent ADCC against GARP and GARP/TGF-β1 positive tumor cells and Tregs, accompanied by NK cell activation. (A) Raji-GARP target cells were treated with serial dilutions (0.00001-100 nM) of PBA-0111, DS-1055a-like antibody, or afucosylated isotype control and subjected to NK cell-mediated lysis for 4 h at 37 °C at an Effector: Target ratio of 10:1. Cell killing was analyzed by flow cytometry using live/dead stain. Data are shown as mean ± SD from a representative pool of three independent donors tested in duplicate. (B) ADCC was performed against Raji-GARP/TGF-β1 target cells (n=6, from 3 independent donors) using the same conditions as in (A) . (C) ADCC against the L-428 lymphoma cell line (n=6, from 3 independent donors). (D) ADCC against in vitro differentiated Tregs. CD4+CD25high T cells isolated from healthy donor PBMCs were stimulated with anti-CD3/CD28 beads to generate regulatory T cells, then subjected to autologous NK-mediated cellular lysis overnight at 37 °C in the presence of indicated anti-GARP antibodies. Data represent pooled results from three independent donors tested in duplicate, mean ± SD. (E) PBMCs (n=3 donors, in 2 replicates) were co-incubated with Raji-GARP/TGF-β1 cells and either PBA-0111, DS-1055a-like antibody, or afucosylated isotype control (IgG.aF) at 5 nM for 4 hours. NK cells were then analyzed by flow cytometry for CD107a expression in the presence of Golgi stop. (F) The same NK cells were analyzed for IFN-γ and (G) TNF-α production. Data are expressed as fold change relative to the afucosylated isotype control. Statistical significance versus IgG1.aF was assessed by Kruskal-Wallis with Dunn´s multiple comparison, *p< 0.05, **p< 0.01, ***p< 0.001.

    Journal: Frontiers in Immunology

    Article Title: A fully human afucosylated anti-GARP antibody PBA-0111 drives anti-tumor immunity through combined ADCC induction and TGF-β1 pathway blockade

    doi: 10.3389/fimmu.2026.1921265

    Figure Lengend Snippet: PBA-0111 demonstrates potent ADCC against GARP and GARP/TGF-β1 positive tumor cells and Tregs, accompanied by NK cell activation. (A) Raji-GARP target cells were treated with serial dilutions (0.00001-100 nM) of PBA-0111, DS-1055a-like antibody, or afucosylated isotype control and subjected to NK cell-mediated lysis for 4 h at 37 °C at an Effector: Target ratio of 10:1. Cell killing was analyzed by flow cytometry using live/dead stain. Data are shown as mean ± SD from a representative pool of three independent donors tested in duplicate. (B) ADCC was performed against Raji-GARP/TGF-β1 target cells (n=6, from 3 independent donors) using the same conditions as in (A) . (C) ADCC against the L-428 lymphoma cell line (n=6, from 3 independent donors). (D) ADCC against in vitro differentiated Tregs. CD4+CD25high T cells isolated from healthy donor PBMCs were stimulated with anti-CD3/CD28 beads to generate regulatory T cells, then subjected to autologous NK-mediated cellular lysis overnight at 37 °C in the presence of indicated anti-GARP antibodies. Data represent pooled results from three independent donors tested in duplicate, mean ± SD. (E) PBMCs (n=3 donors, in 2 replicates) were co-incubated with Raji-GARP/TGF-β1 cells and either PBA-0111, DS-1055a-like antibody, or afucosylated isotype control (IgG.aF) at 5 nM for 4 hours. NK cells were then analyzed by flow cytometry for CD107a expression in the presence of Golgi stop. (F) The same NK cells were analyzed for IFN-γ and (G) TNF-α production. Data are expressed as fold change relative to the afucosylated isotype control. Statistical significance versus IgG1.aF was assessed by Kruskal-Wallis with Dunn´s multiple comparison, *p< 0.05, **p< 0.01, ***p< 0.001.

    Article Snippet: Regulatory T cells were isolated from PBMCs from the same donor as NK cells by immunomagnetic two-step procedure with human CD4 + CD25 + Regulatory T Cell Isolation Kit (Miltenyi Biotec, 130-091-301) according to the manufacturer’s protocol.

    Techniques: Activation Assay, Control, Lysis, Flow Cytometry, Staining, In Vitro, Isolation, Incubation, Expressing, Comparison

    PBA-0111 activates T cells leading to anti-tumor efficacy. (A–D) CD34 + HSC humanized NSG-hIL15 mice (n=6-7/group) were inoculated subcutaneously with Raji-GARP/TGF-β1 and treated with vehicle or six doses of PBA-0111 or DS-1055a-like antibody at 10 mg/kg twice weekly, initiated when the tumor volumes reached 80-150 mm 3 . At study termination, tumors, spleens and terminal blood were collected and processed for FACS analysis. (A) Proportion of CD8 + cells within the tumor (B) Intratumoral CD8 + /Treg ratio. (C) Activation status of intratumoral CD8 + T cells. (D) NK cell activation in peripheral blood. (E–I) CD34 + HSC humanized NCG-hIL15 mice (n=8/group) were inoculated subcutaneously with HT-29 colon carcinoma cells and treated as above. At study termination, tumors and terminal blood were processed for FACS analysis (n=4-8/group). (E) Proportion of intratumoral CD8 + T cells. (F) Intratumoral CD8+/Treg ratio. (G) CD8 + T cell infiltration confirmed by immunohistochemistry (IHC). (H) Granzyme B expression detected by IHC. (I) Representative IHC images showing CD8 + (green) and Granzyme B + (magenta) cells in immune-positive clusters at the tumor periphery (rim) of HT-29 tumors. Scale bar = 100 µm. Statistical significance was assessed by Kruskal-Wallis test with Dunn´s multiple comparisons. **p < 0.01.

    Journal: Frontiers in Immunology

    Article Title: A fully human afucosylated anti-GARP antibody PBA-0111 drives anti-tumor immunity through combined ADCC induction and TGF-β1 pathway blockade

    doi: 10.3389/fimmu.2026.1921265

    Figure Lengend Snippet: PBA-0111 activates T cells leading to anti-tumor efficacy. (A–D) CD34 + HSC humanized NSG-hIL15 mice (n=6-7/group) were inoculated subcutaneously with Raji-GARP/TGF-β1 and treated with vehicle or six doses of PBA-0111 or DS-1055a-like antibody at 10 mg/kg twice weekly, initiated when the tumor volumes reached 80-150 mm 3 . At study termination, tumors, spleens and terminal blood were collected and processed for FACS analysis. (A) Proportion of CD8 + cells within the tumor (B) Intratumoral CD8 + /Treg ratio. (C) Activation status of intratumoral CD8 + T cells. (D) NK cell activation in peripheral blood. (E–I) CD34 + HSC humanized NCG-hIL15 mice (n=8/group) were inoculated subcutaneously with HT-29 colon carcinoma cells and treated as above. At study termination, tumors and terminal blood were processed for FACS analysis (n=4-8/group). (E) Proportion of intratumoral CD8 + T cells. (F) Intratumoral CD8+/Treg ratio. (G) CD8 + T cell infiltration confirmed by immunohistochemistry (IHC). (H) Granzyme B expression detected by IHC. (I) Representative IHC images showing CD8 + (green) and Granzyme B + (magenta) cells in immune-positive clusters at the tumor periphery (rim) of HT-29 tumors. Scale bar = 100 µm. Statistical significance was assessed by Kruskal-Wallis test with Dunn´s multiple comparisons. **p < 0.01.

    Article Snippet: Regulatory T cells were isolated from PBMCs from the same donor as NK cells by immunomagnetic two-step procedure with human CD4 + CD25 + Regulatory T Cell Isolation Kit (Miltenyi Biotec, 130-091-301) according to the manufacturer’s protocol.

    Techniques: Analysis, Activation Assay, Immunohistochemistry, Expressing

    PBA-0111 shows signs of T cell activation in soft tissue sarcoma patients following intratumoral administration. (A) CIVO workflow. PBA-0111 was co-formulated with fluorescent microspheres and loaded into the CIVO injector, which delivers eight individual columns of drug directly into the patient tumor (left). STS patients receiving the multiplexed microinjection were evaluated immediately following the procedure by visualization of individual injection sites using a blue light and yellow filter that illuminates the CIVO GLO fluorescent microspheres with an ultraviolet flashlight (center). Following a pre-scheduled surgical resection 2-96 hours later, the tumors were sectioned transverse to the drug columns, yielding 2-4 sections of FFPE tissue for downstream IHC and ISH staining and image analysis. (B) GARP expression assessed by ISH. Representative injection site images from vehicle and PBA-0111-treated sites in Patient 5, with summary data showing the median percentage of GARP + cells across all evaluable injection sites in all patients (n=6). (C) Regulatory T cell infiltration assessed by IHC. Representative injection site images for vehicle and PBA-0111-treated sites in Patient 5, with summary data showing the median percentage of CD4+ T cells that are FoxP3 + across all evaluable injection sites in all patients. (D) . CD8 + cytotoxic T cell activity assessed by IHC. Representative injection site images for vehicle and PBA-0111-treated sites in Patient 5, with summary data showing the median percentage of CD8 + T cells that are Granzyme B + across all evaluable injection sites in all patients.

    Journal: Frontiers in Immunology

    Article Title: A fully human afucosylated anti-GARP antibody PBA-0111 drives anti-tumor immunity through combined ADCC induction and TGF-β1 pathway blockade

    doi: 10.3389/fimmu.2026.1921265

    Figure Lengend Snippet: PBA-0111 shows signs of T cell activation in soft tissue sarcoma patients following intratumoral administration. (A) CIVO workflow. PBA-0111 was co-formulated with fluorescent microspheres and loaded into the CIVO injector, which delivers eight individual columns of drug directly into the patient tumor (left). STS patients receiving the multiplexed microinjection were evaluated immediately following the procedure by visualization of individual injection sites using a blue light and yellow filter that illuminates the CIVO GLO fluorescent microspheres with an ultraviolet flashlight (center). Following a pre-scheduled surgical resection 2-96 hours later, the tumors were sectioned transverse to the drug columns, yielding 2-4 sections of FFPE tissue for downstream IHC and ISH staining and image analysis. (B) GARP expression assessed by ISH. Representative injection site images from vehicle and PBA-0111-treated sites in Patient 5, with summary data showing the median percentage of GARP + cells across all evaluable injection sites in all patients (n=6). (C) Regulatory T cell infiltration assessed by IHC. Representative injection site images for vehicle and PBA-0111-treated sites in Patient 5, with summary data showing the median percentage of CD4+ T cells that are FoxP3 + across all evaluable injection sites in all patients. (D) . CD8 + cytotoxic T cell activity assessed by IHC. Representative injection site images for vehicle and PBA-0111-treated sites in Patient 5, with summary data showing the median percentage of CD8 + T cells that are Granzyme B + across all evaluable injection sites in all patients.

    Article Snippet: Regulatory T cells were isolated from PBMCs from the same donor as NK cells by immunomagnetic two-step procedure with human CD4 + CD25 + Regulatory T Cell Isolation Kit (Miltenyi Biotec, 130-091-301) according to the manufacturer’s protocol.

    Techniques: Activation Assay, Tissue, Microinjection, Injection, Staining, Analysis, Expressing, Activity Assay

    Journal: Cell host & microbe

    Article Title: Defined human Clostridia consortia reverse colitis via dual effects of tryptophan metabolites on microbiota and immunity

    doi: 10.1016/j.chom.2026.08.003

    Figure Lengend Snippet:

    Article Snippet: Mouse Naïve CD4+ T Cell Isolation Kit , Miltenyi Biotec , Cat# 130–104-453.

    Techniques: Blocking Assay, Control, Isolation, Variant Assay, Recombinant, Yeast, Starch, Electron Microscopy, Bacteria, Enzyme-linked Immunosorbent Assay, DNA Extraction, cDNA Synthesis, Cell Isolation, Staining, Sample Prep, Software, Sequencing, Qubit, Mass Spectrometry

    (A and B) Germ-free (GF) Il10 -eGFP reporter mice were colonized with vehicle (Eggerth-Gagnon media), the 11- or 17-mix Clostridium strain consortia (2 × 10 7 CFU in 200 μL) for 2 weeks. cLP GFP (IL-10) + , FOXP3 + CD4 + T, and FOXP3 neg CD4 + T cells were analyzed by flow cytometry. N = 5−7/group. (B) Representative plots. (C) cLP RORγt+FOXP3+CD4+ T cells in GF WT mice 2 weeks after vehicle, 11-mix, or 17-mix. N = 4−5/group. (D) Cecal luminal metabolites from GF Il10 -eGFP reporter mice treated with vehicle, 11-mix, or 17-mix were analyzed by GC/MS and LC-MS/MS. Heat map shows log2-transformed, Z-scored metabolite abundance with FDR-corrected ANOVA q < 0.05 and Tukey post-hoc comparisons. Colored boxes indicate p < 0.05 red (Dn: decreased); green (Up: increased) boxes or p ≥ 0.05 white denotes no significant change (N.S.) compared with vehicle. N = 5−7/group. Arrows indicate AhR agonists/activators. (E) Selected metabolites. Data are mean ± SE; each point represents one mouse. One-way ANOVA with Tukey test, *p < 0.05, ***p < 0.001, ****p < 0.0001.

    Journal: Cell host & microbe

    Article Title: Defined human Clostridia consortia reverse colitis via dual effects of tryptophan metabolites on microbiota and immunity

    doi: 10.1016/j.chom.2026.08.003

    Figure Lengend Snippet: (A and B) Germ-free (GF) Il10 -eGFP reporter mice were colonized with vehicle (Eggerth-Gagnon media), the 11- or 17-mix Clostridium strain consortia (2 × 10 7 CFU in 200 μL) for 2 weeks. cLP GFP (IL-10) + , FOXP3 + CD4 + T, and FOXP3 neg CD4 + T cells were analyzed by flow cytometry. N = 5−7/group. (B) Representative plots. (C) cLP RORγt+FOXP3+CD4+ T cells in GF WT mice 2 weeks after vehicle, 11-mix, or 17-mix. N = 4−5/group. (D) Cecal luminal metabolites from GF Il10 -eGFP reporter mice treated with vehicle, 11-mix, or 17-mix were analyzed by GC/MS and LC-MS/MS. Heat map shows log2-transformed, Z-scored metabolite abundance with FDR-corrected ANOVA q < 0.05 and Tukey post-hoc comparisons. Colored boxes indicate p < 0.05 red (Dn: decreased); green (Up: increased) boxes or p ≥ 0.05 white denotes no significant change (N.S.) compared with vehicle. N = 5−7/group. Arrows indicate AhR agonists/activators. (E) Selected metabolites. Data are mean ± SE; each point represents one mouse. One-way ANOVA with Tukey test, *p < 0.05, ***p < 0.001, ****p < 0.0001.

    Article Snippet: Mouse Naïve CD4+ T Cell Isolation Kit , Miltenyi Biotec , Cat# 130–104-453.

    Techniques: Flow Cytometry, Gas Chromatography-Mass Spectrometry, Liquid Chromatography with Mass Spectroscopy, Transformation Assay

    (A) Germ-free Rag2 −/− mice were colonized with donor-A human stool, received naïve CD4 + T cells 2 weeks later, and were treated with vehicle, 11-mix, or 17-mix (2 × 10 7 CFU in 200 μL) beginning 4 weeks after transfer. N = 7−8/group. (B) Stool images and scores. (C) Serial f-Lcn. The y-axis break retains an outlier while showing lower-range data. (D) Representative photomicrographs and histological score of 3 combined segments (cecum, proximal colon (Pro-colon), and rectum). Yellow arrowheads indicate infiltrating cells. Bar = 100 μm. (E) Colonic mRNA by qPCR relative to vehicle. N = 4/group. (F) Significant family- and genus-level stool microbiota changes by 16S rRNA sequencing. N = 4/group. Data are mean ± SE; each point represents one mouse. One-way ANOVA with Tukey test for B, D-F; Kruskal-Wallis with Dunn’s test for C. *p < 0.05, **p < 0.01, ***p < 0.001.

    Journal: Cell host & microbe

    Article Title: Defined human Clostridia consortia reverse colitis via dual effects of tryptophan metabolites on microbiota and immunity

    doi: 10.1016/j.chom.2026.08.003

    Figure Lengend Snippet: (A) Germ-free Rag2 −/− mice were colonized with donor-A human stool, received naïve CD4 + T cells 2 weeks later, and were treated with vehicle, 11-mix, or 17-mix (2 × 10 7 CFU in 200 μL) beginning 4 weeks after transfer. N = 7−8/group. (B) Stool images and scores. (C) Serial f-Lcn. The y-axis break retains an outlier while showing lower-range data. (D) Representative photomicrographs and histological score of 3 combined segments (cecum, proximal colon (Pro-colon), and rectum). Yellow arrowheads indicate infiltrating cells. Bar = 100 μm. (E) Colonic mRNA by qPCR relative to vehicle. N = 4/group. (F) Significant family- and genus-level stool microbiota changes by 16S rRNA sequencing. N = 4/group. Data are mean ± SE; each point represents one mouse. One-way ANOVA with Tukey test for B, D-F; Kruskal-Wallis with Dunn’s test for C. *p < 0.05, **p < 0.01, ***p < 0.001.

    Article Snippet: Mouse Naïve CD4+ T Cell Isolation Kit , Miltenyi Biotec , Cat# 130–104-453.

    Techniques: Adoptive Transfer Assay, Sequencing