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renilla luciferase reporter vectors  (Addgene inc)


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    Addgene inc renilla luciferase reporter vectors
    Piezo1 suppresses Lcn2 expression and secretion via the inhibition of Ccl2-evoked NF-κB activation. BMMSCs were isolated from femurs and tibias of 10-week-old male PDGFRα-Piezo1 KO mice and WT controls. a Gene expression of Ccr2 in BMMSCs, as determined by real-time PCR. b–g Recombinant mouse Ccl2 protein (rmCcl2, 100 ng/mL) or the CCR2 antagonist INCB3344 (10 nM) was added to the adipogenic and osteogenic induction medium during BMMSC differentiation. The expression levels of osteogenic genes ( b–d ) and adipogenic genes ( e–g ) were determined via real-time qPCR. h–n WT and KO BMMSCs were treated with rmCcl2 (100 ng/mL) or the CCR2 antagonist INCB3344 (10 nM) for 24 h. h Sonicated BMMSCs were subjected to chromatin immunoprecipitation (ChIP) using an anti-p65 antibody. The ChIP DNA samples were then subjected to qPCR amplification using specific primers against the promoter region of Lcn2, as shown in supplementary Fig. . Representative gel images of end-point ChIP-qPCR products are shown. i Quantitative results are shown as the percentage of input DNA: % of Input = 2^(CT Input −CT IP )/dilution factor × 100%. j <t>Luciferase</t> reporter assay was performed in isolated WT and KO BMMSCs transfected with pGL3 constructs containing the mouse wild-type Lcn2 promoter (Lcn2-WT) or the mutated Lcn2 promoter with mutations in the NF-κB binding motif (Lcn2-Mut, sequence in supplementary Fig. ). The firefly luciferase activity was measured and normalized to <t>Renilla</t> luciferase activity. k Schematic diagram illustrating the actions of rmCcl2, the CCR2 antagonist, and the NF-κB-specific inhibitor QNZ on NF-κB translocation and Lcn2 expression; created with BioRender ( https://BioRender.com ). l ELISA analysis of total p65 in the nucleus and cytoplasm of BMMSCs. m Representative immunofluorescence images of intracellular p65 localization. Nuclei were stained with DAPI (blue). Scale bar, 50 μm. n P65 nuclear translocation was quantified by ImageJ software via Pearson’s correlation coefficient (PCC) between the p65 immunofluorescence signal and DAPI staining across segmented nuclear regions. o , p WT and KO BMMSCs were treated with the NF-κB-specific inhibitor QNZ (10 nM) for another 2 h after 24-h treatment of rmCcl2 (100 ng/mL) and INCB3344 (10 nM). o The mRNA level of Lcn2 . p Lcn2 levels in the culture medium were determined by ELISA. q Illustration of how the AP-1 inhibitor modulates Ccl2 gene expression; created with BioRender ( https://BioRender.com ). r–u WT and KO BMMSCs were treated with the AP-1-specific inhibitor T-5224 (10 μM) for 24 h. r Sonicated BMMSCs were subjected to ChIP assay using an anti-c-Jun antibody. Representative gel images of end-point ChIP-qPCR products are shown. s Quantitative results are shown as the percentage of input DNA. t The mRNA level of Ccl2 . u Ccl2 levels in the culture medium were determined by ELISA. v Luciferase reporter assay was performed in isolated WT and KO BMMSCs transfected with pGL3 constructs containing the mouse wild-type Ccl2 promoter (Ccl2-WT) or the mutated Ccl2 promoter with mutations in the c-Jun binding motif (Ccl2-Mut, sequence in supplementary Fig. ). The firefly luciferase activity was measured and normalized to Renilla luciferase activity. n = 5 for each group. The data are presented as the means ± SEMs; * p < 0.05, ** p < 0.01, *** p < 0.001. See also supplementary Figs. –
    Renilla Luciferase Reporter Vectors, supplied by Addgene inc, used in various techniques. Bioz Stars score: 93/100, based on 6 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/pgl3basic+vector/pGL3basic+luciferase+and+renilla_polyA+(Plasmid+%23128046)/pmc12559722-356-13-17
    Average 93 stars, based on 6 article reviews
    renilla luciferase reporter vectors - by Bioz Stars, 2026-10
    93/100 stars

    Images

    1) Product Images from "Piezo1 activation suppresses bone marrow adipogenesis to prevent osteoporosis by inhibiting a mechanoinflammatory autocrine loop"

    Article Title: Piezo1 activation suppresses bone marrow adipogenesis to prevent osteoporosis by inhibiting a mechanoinflammatory autocrine loop

    Journal: Signal Transduction and Targeted Therapy

    doi: 10.1038/s41392-025-02455-w

    Piezo1 suppresses Lcn2 expression and secretion via the inhibition of Ccl2-evoked NF-κB activation. BMMSCs were isolated from femurs and tibias of 10-week-old male PDGFRα-Piezo1 KO mice and WT controls. a Gene expression of Ccr2 in BMMSCs, as determined by real-time PCR. b–g Recombinant mouse Ccl2 protein (rmCcl2, 100 ng/mL) or the CCR2 antagonist INCB3344 (10 nM) was added to the adipogenic and osteogenic induction medium during BMMSC differentiation. The expression levels of osteogenic genes ( b–d ) and adipogenic genes ( e–g ) were determined via real-time qPCR. h–n WT and KO BMMSCs were treated with rmCcl2 (100 ng/mL) or the CCR2 antagonist INCB3344 (10 nM) for 24 h. h Sonicated BMMSCs were subjected to chromatin immunoprecipitation (ChIP) using an anti-p65 antibody. The ChIP DNA samples were then subjected to qPCR amplification using specific primers against the promoter region of Lcn2, as shown in supplementary Fig. . Representative gel images of end-point ChIP-qPCR products are shown. i Quantitative results are shown as the percentage of input DNA: % of Input = 2^(CT Input −CT IP )/dilution factor × 100%. j Luciferase reporter assay was performed in isolated WT and KO BMMSCs transfected with pGL3 constructs containing the mouse wild-type Lcn2 promoter (Lcn2-WT) or the mutated Lcn2 promoter with mutations in the NF-κB binding motif (Lcn2-Mut, sequence in supplementary Fig. ). The firefly luciferase activity was measured and normalized to Renilla luciferase activity. k Schematic diagram illustrating the actions of rmCcl2, the CCR2 antagonist, and the NF-κB-specific inhibitor QNZ on NF-κB translocation and Lcn2 expression; created with BioRender ( https://BioRender.com ). l ELISA analysis of total p65 in the nucleus and cytoplasm of BMMSCs. m Representative immunofluorescence images of intracellular p65 localization. Nuclei were stained with DAPI (blue). Scale bar, 50 μm. n P65 nuclear translocation was quantified by ImageJ software via Pearson’s correlation coefficient (PCC) between the p65 immunofluorescence signal and DAPI staining across segmented nuclear regions. o , p WT and KO BMMSCs were treated with the NF-κB-specific inhibitor QNZ (10 nM) for another 2 h after 24-h treatment of rmCcl2 (100 ng/mL) and INCB3344 (10 nM). o The mRNA level of Lcn2 . p Lcn2 levels in the culture medium were determined by ELISA. q Illustration of how the AP-1 inhibitor modulates Ccl2 gene expression; created with BioRender ( https://BioRender.com ). r–u WT and KO BMMSCs were treated with the AP-1-specific inhibitor T-5224 (10 μM) for 24 h. r Sonicated BMMSCs were subjected to ChIP assay using an anti-c-Jun antibody. Representative gel images of end-point ChIP-qPCR products are shown. s Quantitative results are shown as the percentage of input DNA. t The mRNA level of Ccl2 . u Ccl2 levels in the culture medium were determined by ELISA. v Luciferase reporter assay was performed in isolated WT and KO BMMSCs transfected with pGL3 constructs containing the mouse wild-type Ccl2 promoter (Ccl2-WT) or the mutated Ccl2 promoter with mutations in the c-Jun binding motif (Ccl2-Mut, sequence in supplementary Fig. ). The firefly luciferase activity was measured and normalized to Renilla luciferase activity. n = 5 for each group. The data are presented as the means ± SEMs; * p < 0.05, ** p < 0.01, *** p < 0.001. See also supplementary Figs. –
    Figure Legend Snippet: Piezo1 suppresses Lcn2 expression and secretion via the inhibition of Ccl2-evoked NF-κB activation. BMMSCs were isolated from femurs and tibias of 10-week-old male PDGFRα-Piezo1 KO mice and WT controls. a Gene expression of Ccr2 in BMMSCs, as determined by real-time PCR. b–g Recombinant mouse Ccl2 protein (rmCcl2, 100 ng/mL) or the CCR2 antagonist INCB3344 (10 nM) was added to the adipogenic and osteogenic induction medium during BMMSC differentiation. The expression levels of osteogenic genes ( b–d ) and adipogenic genes ( e–g ) were determined via real-time qPCR. h–n WT and KO BMMSCs were treated with rmCcl2 (100 ng/mL) or the CCR2 antagonist INCB3344 (10 nM) for 24 h. h Sonicated BMMSCs were subjected to chromatin immunoprecipitation (ChIP) using an anti-p65 antibody. The ChIP DNA samples were then subjected to qPCR amplification using specific primers against the promoter region of Lcn2, as shown in supplementary Fig. . Representative gel images of end-point ChIP-qPCR products are shown. i Quantitative results are shown as the percentage of input DNA: % of Input = 2^(CT Input −CT IP )/dilution factor × 100%. j Luciferase reporter assay was performed in isolated WT and KO BMMSCs transfected with pGL3 constructs containing the mouse wild-type Lcn2 promoter (Lcn2-WT) or the mutated Lcn2 promoter with mutations in the NF-κB binding motif (Lcn2-Mut, sequence in supplementary Fig. ). The firefly luciferase activity was measured and normalized to Renilla luciferase activity. k Schematic diagram illustrating the actions of rmCcl2, the CCR2 antagonist, and the NF-κB-specific inhibitor QNZ on NF-κB translocation and Lcn2 expression; created with BioRender ( https://BioRender.com ). l ELISA analysis of total p65 in the nucleus and cytoplasm of BMMSCs. m Representative immunofluorescence images of intracellular p65 localization. Nuclei were stained with DAPI (blue). Scale bar, 50 μm. n P65 nuclear translocation was quantified by ImageJ software via Pearson’s correlation coefficient (PCC) between the p65 immunofluorescence signal and DAPI staining across segmented nuclear regions. o , p WT and KO BMMSCs were treated with the NF-κB-specific inhibitor QNZ (10 nM) for another 2 h after 24-h treatment of rmCcl2 (100 ng/mL) and INCB3344 (10 nM). o The mRNA level of Lcn2 . p Lcn2 levels in the culture medium were determined by ELISA. q Illustration of how the AP-1 inhibitor modulates Ccl2 gene expression; created with BioRender ( https://BioRender.com ). r–u WT and KO BMMSCs were treated with the AP-1-specific inhibitor T-5224 (10 μM) for 24 h. r Sonicated BMMSCs were subjected to ChIP assay using an anti-c-Jun antibody. Representative gel images of end-point ChIP-qPCR products are shown. s Quantitative results are shown as the percentage of input DNA. t The mRNA level of Ccl2 . u Ccl2 levels in the culture medium were determined by ELISA. v Luciferase reporter assay was performed in isolated WT and KO BMMSCs transfected with pGL3 constructs containing the mouse wild-type Ccl2 promoter (Ccl2-WT) or the mutated Ccl2 promoter with mutations in the c-Jun binding motif (Ccl2-Mut, sequence in supplementary Fig. ). The firefly luciferase activity was measured and normalized to Renilla luciferase activity. n = 5 for each group. The data are presented as the means ± SEMs; * p < 0.05, ** p < 0.01, *** p < 0.001. See also supplementary Figs. –

    Techniques Used: Expressing, Inhibition, Activation Assay, Isolation, Gene Expression, Real-time Polymerase Chain Reaction, Recombinant, Sonication, Chromatin Immunoprecipitation, Amplification, ChIP-qPCR, Luciferase, Reporter Assay, Transfection, Construct, Binding Assay, Sequencing, Activity Assay, Translocation Assay, Enzyme-linked Immunosorbent Assay, Immunofluorescence, Staining, Software

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    Virus:


    Microscopy:


    Polymerase Chain Reaction:

    Article Title: MITF is a novel transcriptional regulator of the calcium sensor STIM1: Significance in physiological melanogenesis
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    Article Title: MITF is a novel transcriptional regulator of the calcium sensor STIM1: Significance in physiological melanogenesis.
    Article Snippet: This was followed by PCR amplification of the target region using Phusion High Fidelity Polymerase (F503, Thermo Fisher Scientific), which was further cloned into pGL4.23 luciferase reporter vector (Promega) at the KpnI/HindIII sites. .. Further truncated promoter fragments X2, X4, X6, and X8 were PCR amplified using STIM1P WT as template and cloned in pGL3basic luciferase and renilla-polyA (Addgene#129046) vector at KpnI/HindIII sites. ..

    Amplification:

    Article Title: MITF is a novel transcriptional regulator of the calcium sensor STIM1: Significance in physiological melanogenesis
    Article Snippet: This was followed by PCR amplification of the target region using Phusion High Fidelity Polymerase (F503, Thermo Fisher Scientific), which was further cloned into pGL4.23 luciferase reporter vector (Promega) at the KpnI/HindIII sites. .. Further truncated promoter fragments X2, X4, X6, and X8 were PCR amplified using STIM1P WT as template and cloned in pGL3basic luciferase and renilla-polyA (Addgene#129046) vector at KpnI/HindIII sites. ..

    Article Title: MITF is a novel transcriptional regulator of the calcium sensor STIM1: Significance in physiological melanogenesis.
    Article Snippet: This was followed by PCR amplification of the target region using Phusion High Fidelity Polymerase (F503, Thermo Fisher Scientific), which was further cloned into pGL4.23 luciferase reporter vector (Promega) at the KpnI/HindIII sites. .. Further truncated promoter fragments X2, X4, X6, and X8 were PCR amplified using STIM1P WT as template and cloned in pGL3basic luciferase and renilla-polyA (Addgene#129046) vector at KpnI/HindIII sites. ..

    Clone Assay:

    Article Title: MITF is a novel transcriptional regulator of the calcium sensor STIM1: Significance in physiological melanogenesis
    Article Snippet: This was followed by PCR amplification of the target region using Phusion High Fidelity Polymerase (F503, Thermo Fisher Scientific), which was further cloned into pGL4.23 luciferase reporter vector (Promega) at the KpnI/HindIII sites. .. Further truncated promoter fragments X2, X4, X6, and X8 were PCR amplified using STIM1P WT as template and cloned in pGL3basic luciferase and renilla-polyA (Addgene#129046) vector at KpnI/HindIII sites. ..

    Article Title: MITF is a novel transcriptional regulator of the calcium sensor STIM1: Significance in physiological melanogenesis.
    Article Snippet: This was followed by PCR amplification of the target region using Phusion High Fidelity Polymerase (F503, Thermo Fisher Scientific), which was further cloned into pGL4.23 luciferase reporter vector (Promega) at the KpnI/HindIII sites. .. Further truncated promoter fragments X2, X4, X6, and X8 were PCR amplified using STIM1P WT as template and cloned in pGL3basic luciferase and renilla-polyA (Addgene#129046) vector at KpnI/HindIII sites. ..

    Luciferase:

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    Article Title: MITF is a novel transcriptional regulator of the calcium sensor STIM1: Significance in physiological melanogenesis.
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    Article Title: Targeting miR-126 in inv(16) acute myeloid leukemia inhibits leukemia development and leukemia stem cell maintenance
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    Injection:

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    other:

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    Plasmid Preparation:

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    Control:

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    Derivative Assay:

    Article Title: Targeting miR-126 in inv(16) acute myeloid leukemia inhibits leukemia development and leukemia stem cell maintenance
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    93
    Addgene inc pgl3basic vector 212936 plasmid
    Piezo1 suppresses Lcn2 expression and secretion via the inhibition of Ccl2-evoked NF-κB activation. BMMSCs were isolated from femurs and tibias of 10-week-old male PDGFRα-Piezo1 KO mice and WT controls. a Gene expression of Ccr2 in BMMSCs, as determined by real-time PCR. b–g Recombinant mouse Ccl2 protein (rmCcl2, 100 ng/mL) or the CCR2 antagonist INCB3344 (10 nM) was added to the adipogenic and osteogenic induction medium during BMMSC differentiation. The expression levels of osteogenic genes ( b–d ) and adipogenic genes ( e–g ) were determined via real-time qPCR. h–n WT and KO BMMSCs were treated with rmCcl2 (100 ng/mL) or the CCR2 antagonist INCB3344 (10 nM) for 24 h. h Sonicated BMMSCs were subjected to chromatin immunoprecipitation (ChIP) using an anti-p65 antibody. The ChIP DNA samples were then subjected to qPCR amplification using specific primers against the promoter region of Lcn2, as shown in supplementary Fig. . Representative gel images of end-point ChIP-qPCR products are shown. i Quantitative results are shown as the percentage of input DNA: % of Input = 2^(CT Input −CT IP )/dilution factor × 100%. j <t>Luciferase</t> reporter assay was performed in isolated WT and KO BMMSCs transfected with pGL3 constructs containing the mouse wild-type Lcn2 promoter (Lcn2-WT) or the mutated Lcn2 promoter with mutations in the NF-κB binding motif (Lcn2-Mut, sequence in supplementary Fig. ). The firefly luciferase activity was measured and normalized to <t>Renilla</t> luciferase activity. k Schematic diagram illustrating the actions of rmCcl2, the CCR2 antagonist, and the NF-κB-specific inhibitor QNZ on NF-κB translocation and Lcn2 expression; created with BioRender ( https://BioRender.com ). l ELISA analysis of total p65 in the nucleus and cytoplasm of BMMSCs. m Representative immunofluorescence images of intracellular p65 localization. Nuclei were stained with DAPI (blue). Scale bar, 50 μm. n P65 nuclear translocation was quantified by ImageJ software via Pearson’s correlation coefficient (PCC) between the p65 immunofluorescence signal and DAPI staining across segmented nuclear regions. o , p WT and KO BMMSCs were treated with the NF-κB-specific inhibitor QNZ (10 nM) for another 2 h after 24-h treatment of rmCcl2 (100 ng/mL) and INCB3344 (10 nM). o The mRNA level of Lcn2 . p Lcn2 levels in the culture medium were determined by ELISA. q Illustration of how the AP-1 inhibitor modulates Ccl2 gene expression; created with BioRender ( https://BioRender.com ). r–u WT and KO BMMSCs were treated with the AP-1-specific inhibitor T-5224 (10 μM) for 24 h. r Sonicated BMMSCs were subjected to ChIP assay using an anti-c-Jun antibody. Representative gel images of end-point ChIP-qPCR products are shown. s Quantitative results are shown as the percentage of input DNA. t The mRNA level of Ccl2 . u Ccl2 levels in the culture medium were determined by ELISA. v Luciferase reporter assay was performed in isolated WT and KO BMMSCs transfected with pGL3 constructs containing the mouse wild-type Ccl2 promoter (Ccl2-WT) or the mutated Ccl2 promoter with mutations in the c-Jun binding motif (Ccl2-Mut, sequence in supplementary Fig. ). The firefly luciferase activity was measured and normalized to Renilla luciferase activity. n = 5 for each group. The data are presented as the means ± SEMs; * p < 0.05, ** p < 0.01, *** p < 0.001. See also supplementary Figs. –
    Pgl3basic Vector 212936 Plasmid, supplied by Addgene inc, used in various techniques. Bioz Stars score: 93/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    pgl3basic vector  (Promega)
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    Promega pgl3basic vector
    Piezo1 suppresses Lcn2 expression and secretion via the inhibition of Ccl2-evoked NF-κB activation. BMMSCs were isolated from femurs and tibias of 10-week-old male PDGFRα-Piezo1 KO mice and WT controls. a Gene expression of Ccr2 in BMMSCs, as determined by real-time PCR. b–g Recombinant mouse Ccl2 protein (rmCcl2, 100 ng/mL) or the CCR2 antagonist INCB3344 (10 nM) was added to the adipogenic and osteogenic induction medium during BMMSC differentiation. The expression levels of osteogenic genes ( b–d ) and adipogenic genes ( e–g ) were determined via real-time qPCR. h–n WT and KO BMMSCs were treated with rmCcl2 (100 ng/mL) or the CCR2 antagonist INCB3344 (10 nM) for 24 h. h Sonicated BMMSCs were subjected to chromatin immunoprecipitation (ChIP) using an anti-p65 antibody. The ChIP DNA samples were then subjected to qPCR amplification using specific primers against the promoter region of Lcn2, as shown in supplementary Fig. . Representative gel images of end-point ChIP-qPCR products are shown. i Quantitative results are shown as the percentage of input DNA: % of Input = 2^(CT Input −CT IP )/dilution factor × 100%. j <t>Luciferase</t> reporter assay was performed in isolated WT and KO BMMSCs transfected with pGL3 constructs containing the mouse wild-type Lcn2 promoter (Lcn2-WT) or the mutated Lcn2 promoter with mutations in the NF-κB binding motif (Lcn2-Mut, sequence in supplementary Fig. ). The firefly luciferase activity was measured and normalized to <t>Renilla</t> luciferase activity. k Schematic diagram illustrating the actions of rmCcl2, the CCR2 antagonist, and the NF-κB-specific inhibitor QNZ on NF-κB translocation and Lcn2 expression; created with BioRender ( https://BioRender.com ). l ELISA analysis of total p65 in the nucleus and cytoplasm of BMMSCs. m Representative immunofluorescence images of intracellular p65 localization. Nuclei were stained with DAPI (blue). Scale bar, 50 μm. n P65 nuclear translocation was quantified by ImageJ software via Pearson’s correlation coefficient (PCC) between the p65 immunofluorescence signal and DAPI staining across segmented nuclear regions. o , p WT and KO BMMSCs were treated with the NF-κB-specific inhibitor QNZ (10 nM) for another 2 h after 24-h treatment of rmCcl2 (100 ng/mL) and INCB3344 (10 nM). o The mRNA level of Lcn2 . p Lcn2 levels in the culture medium were determined by ELISA. q Illustration of how the AP-1 inhibitor modulates Ccl2 gene expression; created with BioRender ( https://BioRender.com ). r–u WT and KO BMMSCs were treated with the AP-1-specific inhibitor T-5224 (10 μM) for 24 h. r Sonicated BMMSCs were subjected to ChIP assay using an anti-c-Jun antibody. Representative gel images of end-point ChIP-qPCR products are shown. s Quantitative results are shown as the percentage of input DNA. t The mRNA level of Ccl2 . u Ccl2 levels in the culture medium were determined by ELISA. v Luciferase reporter assay was performed in isolated WT and KO BMMSCs transfected with pGL3 constructs containing the mouse wild-type Ccl2 promoter (Ccl2-WT) or the mutated Ccl2 promoter with mutations in the c-Jun binding motif (Ccl2-Mut, sequence in supplementary Fig. ). The firefly luciferase activity was measured and normalized to Renilla luciferase activity. n = 5 for each group. The data are presented as the means ± SEMs; * p < 0.05, ** p < 0.01, *** p < 0.001. See also supplementary Figs. –
    Pgl3basic Vector, supplied by Promega, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    dual-luciferase reporter vector pgl3basic  (Promega)
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    Promega dual-luciferase reporter vector pgl3basic
    Piezo1 suppresses Lcn2 expression and secretion via the inhibition of Ccl2-evoked NF-κB activation. BMMSCs were isolated from femurs and tibias of 10-week-old male PDGFRα-Piezo1 KO mice and WT controls. a Gene expression of Ccr2 in BMMSCs, as determined by real-time PCR. b–g Recombinant mouse Ccl2 protein (rmCcl2, 100 ng/mL) or the CCR2 antagonist INCB3344 (10 nM) was added to the adipogenic and osteogenic induction medium during BMMSC differentiation. The expression levels of osteogenic genes ( b–d ) and adipogenic genes ( e–g ) were determined via real-time qPCR. h–n WT and KO BMMSCs were treated with rmCcl2 (100 ng/mL) or the CCR2 antagonist INCB3344 (10 nM) for 24 h. h Sonicated BMMSCs were subjected to chromatin immunoprecipitation (ChIP) using an anti-p65 antibody. The ChIP DNA samples were then subjected to qPCR amplification using specific primers against the promoter region of Lcn2, as shown in supplementary Fig. . Representative gel images of end-point ChIP-qPCR products are shown. i Quantitative results are shown as the percentage of input DNA: % of Input = 2^(CT Input −CT IP )/dilution factor × 100%. j <t>Luciferase</t> reporter assay was performed in isolated WT and KO BMMSCs transfected with pGL3 constructs containing the mouse wild-type Lcn2 promoter (Lcn2-WT) or the mutated Lcn2 promoter with mutations in the NF-κB binding motif (Lcn2-Mut, sequence in supplementary Fig. ). The firefly luciferase activity was measured and normalized to <t>Renilla</t> luciferase activity. k Schematic diagram illustrating the actions of rmCcl2, the CCR2 antagonist, and the NF-κB-specific inhibitor QNZ on NF-κB translocation and Lcn2 expression; created with BioRender ( https://BioRender.com ). l ELISA analysis of total p65 in the nucleus and cytoplasm of BMMSCs. m Representative immunofluorescence images of intracellular p65 localization. Nuclei were stained with DAPI (blue). Scale bar, 50 μm. n P65 nuclear translocation was quantified by ImageJ software via Pearson’s correlation coefficient (PCC) between the p65 immunofluorescence signal and DAPI staining across segmented nuclear regions. o , p WT and KO BMMSCs were treated with the NF-κB-specific inhibitor QNZ (10 nM) for another 2 h after 24-h treatment of rmCcl2 (100 ng/mL) and INCB3344 (10 nM). o The mRNA level of Lcn2 . p Lcn2 levels in the culture medium were determined by ELISA. q Illustration of how the AP-1 inhibitor modulates Ccl2 gene expression; created with BioRender ( https://BioRender.com ). r–u WT and KO BMMSCs were treated with the AP-1-specific inhibitor T-5224 (10 μM) for 24 h. r Sonicated BMMSCs were subjected to ChIP assay using an anti-c-Jun antibody. Representative gel images of end-point ChIP-qPCR products are shown. s Quantitative results are shown as the percentage of input DNA. t The mRNA level of Ccl2 . u Ccl2 levels in the culture medium were determined by ELISA. v Luciferase reporter assay was performed in isolated WT and KO BMMSCs transfected with pGL3 constructs containing the mouse wild-type Ccl2 promoter (Ccl2-WT) or the mutated Ccl2 promoter with mutations in the c-Jun binding motif (Ccl2-Mut, sequence in supplementary Fig. ). The firefly luciferase activity was measured and normalized to Renilla luciferase activity. n = 5 for each group. The data are presented as the means ± SEMs; * p < 0.05, ** p < 0.01, *** p < 0.001. See also supplementary Figs. –
    Dual Luciferase Reporter Vector Pgl3basic, supplied by Promega, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    pgl3basic luciferase reporter vector  (Promega)
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    Promega pgl3basic luciferase reporter vector
    Piezo1 suppresses Lcn2 expression and secretion via the inhibition of Ccl2-evoked NF-κB activation. BMMSCs were isolated from femurs and tibias of 10-week-old male PDGFRα-Piezo1 KO mice and WT controls. a Gene expression of Ccr2 in BMMSCs, as determined by real-time PCR. b–g Recombinant mouse Ccl2 protein (rmCcl2, 100 ng/mL) or the CCR2 antagonist INCB3344 (10 nM) was added to the adipogenic and osteogenic induction medium during BMMSC differentiation. The expression levels of osteogenic genes ( b–d ) and adipogenic genes ( e–g ) were determined via real-time qPCR. h–n WT and KO BMMSCs were treated with rmCcl2 (100 ng/mL) or the CCR2 antagonist INCB3344 (10 nM) for 24 h. h Sonicated BMMSCs were subjected to chromatin immunoprecipitation (ChIP) using an anti-p65 antibody. The ChIP DNA samples were then subjected to qPCR amplification using specific primers against the promoter region of Lcn2, as shown in supplementary Fig. . Representative gel images of end-point ChIP-qPCR products are shown. i Quantitative results are shown as the percentage of input DNA: % of Input = 2^(CT Input −CT IP )/dilution factor × 100%. j <t>Luciferase</t> reporter assay was performed in isolated WT and KO BMMSCs transfected with pGL3 constructs containing the mouse wild-type Lcn2 promoter (Lcn2-WT) or the mutated Lcn2 promoter with mutations in the NF-κB binding motif (Lcn2-Mut, sequence in supplementary Fig. ). The firefly luciferase activity was measured and normalized to <t>Renilla</t> luciferase activity. k Schematic diagram illustrating the actions of rmCcl2, the CCR2 antagonist, and the NF-κB-specific inhibitor QNZ on NF-κB translocation and Lcn2 expression; created with BioRender ( https://BioRender.com ). l ELISA analysis of total p65 in the nucleus and cytoplasm of BMMSCs. m Representative immunofluorescence images of intracellular p65 localization. Nuclei were stained with DAPI (blue). Scale bar, 50 μm. n P65 nuclear translocation was quantified by ImageJ software via Pearson’s correlation coefficient (PCC) between the p65 immunofluorescence signal and DAPI staining across segmented nuclear regions. o , p WT and KO BMMSCs were treated with the NF-κB-specific inhibitor QNZ (10 nM) for another 2 h after 24-h treatment of rmCcl2 (100 ng/mL) and INCB3344 (10 nM). o The mRNA level of Lcn2 . p Lcn2 levels in the culture medium were determined by ELISA. q Illustration of how the AP-1 inhibitor modulates Ccl2 gene expression; created with BioRender ( https://BioRender.com ). r–u WT and KO BMMSCs were treated with the AP-1-specific inhibitor T-5224 (10 μM) for 24 h. r Sonicated BMMSCs were subjected to ChIP assay using an anti-c-Jun antibody. Representative gel images of end-point ChIP-qPCR products are shown. s Quantitative results are shown as the percentage of input DNA. t The mRNA level of Ccl2 . u Ccl2 levels in the culture medium were determined by ELISA. v Luciferase reporter assay was performed in isolated WT and KO BMMSCs transfected with pGL3 constructs containing the mouse wild-type Ccl2 promoter (Ccl2-WT) or the mutated Ccl2 promoter with mutations in the c-Jun binding motif (Ccl2-Mut, sequence in supplementary Fig. ). The firefly luciferase activity was measured and normalized to Renilla luciferase activity. n = 5 for each group. The data are presented as the means ± SEMs; * p < 0.05, ** p < 0.01, *** p < 0.001. See also supplementary Figs. –
    Pgl3basic Luciferase Reporter Vector, supplied by Promega, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Image Search Results


    Piezo1 suppresses Lcn2 expression and secretion via the inhibition of Ccl2-evoked NF-κB activation. BMMSCs were isolated from femurs and tibias of 10-week-old male PDGFRα-Piezo1 KO mice and WT controls. a Gene expression of Ccr2 in BMMSCs, as determined by real-time PCR. b–g Recombinant mouse Ccl2 protein (rmCcl2, 100 ng/mL) or the CCR2 antagonist INCB3344 (10 nM) was added to the adipogenic and osteogenic induction medium during BMMSC differentiation. The expression levels of osteogenic genes ( b–d ) and adipogenic genes ( e–g ) were determined via real-time qPCR. h–n WT and KO BMMSCs were treated with rmCcl2 (100 ng/mL) or the CCR2 antagonist INCB3344 (10 nM) for 24 h. h Sonicated BMMSCs were subjected to chromatin immunoprecipitation (ChIP) using an anti-p65 antibody. The ChIP DNA samples were then subjected to qPCR amplification using specific primers against the promoter region of Lcn2, as shown in supplementary Fig. . Representative gel images of end-point ChIP-qPCR products are shown. i Quantitative results are shown as the percentage of input DNA: % of Input = 2^(CT Input −CT IP )/dilution factor × 100%. j Luciferase reporter assay was performed in isolated WT and KO BMMSCs transfected with pGL3 constructs containing the mouse wild-type Lcn2 promoter (Lcn2-WT) or the mutated Lcn2 promoter with mutations in the NF-κB binding motif (Lcn2-Mut, sequence in supplementary Fig. ). The firefly luciferase activity was measured and normalized to Renilla luciferase activity. k Schematic diagram illustrating the actions of rmCcl2, the CCR2 antagonist, and the NF-κB-specific inhibitor QNZ on NF-κB translocation and Lcn2 expression; created with BioRender ( https://BioRender.com ). l ELISA analysis of total p65 in the nucleus and cytoplasm of BMMSCs. m Representative immunofluorescence images of intracellular p65 localization. Nuclei were stained with DAPI (blue). Scale bar, 50 μm. n P65 nuclear translocation was quantified by ImageJ software via Pearson’s correlation coefficient (PCC) between the p65 immunofluorescence signal and DAPI staining across segmented nuclear regions. o , p WT and KO BMMSCs were treated with the NF-κB-specific inhibitor QNZ (10 nM) for another 2 h after 24-h treatment of rmCcl2 (100 ng/mL) and INCB3344 (10 nM). o The mRNA level of Lcn2 . p Lcn2 levels in the culture medium were determined by ELISA. q Illustration of how the AP-1 inhibitor modulates Ccl2 gene expression; created with BioRender ( https://BioRender.com ). r–u WT and KO BMMSCs were treated with the AP-1-specific inhibitor T-5224 (10 μM) for 24 h. r Sonicated BMMSCs were subjected to ChIP assay using an anti-c-Jun antibody. Representative gel images of end-point ChIP-qPCR products are shown. s Quantitative results are shown as the percentage of input DNA. t The mRNA level of Ccl2 . u Ccl2 levels in the culture medium were determined by ELISA. v Luciferase reporter assay was performed in isolated WT and KO BMMSCs transfected with pGL3 constructs containing the mouse wild-type Ccl2 promoter (Ccl2-WT) or the mutated Ccl2 promoter with mutations in the c-Jun binding motif (Ccl2-Mut, sequence in supplementary Fig. ). The firefly luciferase activity was measured and normalized to Renilla luciferase activity. n = 5 for each group. The data are presented as the means ± SEMs; * p < 0.05, ** p < 0.01, *** p < 0.001. See also supplementary Figs. –

    Journal: Signal Transduction and Targeted Therapy

    Article Title: Piezo1 activation suppresses bone marrow adipogenesis to prevent osteoporosis by inhibiting a mechanoinflammatory autocrine loop

    doi: 10.1038/s41392-025-02455-w

    Figure Lengend Snippet: Piezo1 suppresses Lcn2 expression and secretion via the inhibition of Ccl2-evoked NF-κB activation. BMMSCs were isolated from femurs and tibias of 10-week-old male PDGFRα-Piezo1 KO mice and WT controls. a Gene expression of Ccr2 in BMMSCs, as determined by real-time PCR. b–g Recombinant mouse Ccl2 protein (rmCcl2, 100 ng/mL) or the CCR2 antagonist INCB3344 (10 nM) was added to the adipogenic and osteogenic induction medium during BMMSC differentiation. The expression levels of osteogenic genes ( b–d ) and adipogenic genes ( e–g ) were determined via real-time qPCR. h–n WT and KO BMMSCs were treated with rmCcl2 (100 ng/mL) or the CCR2 antagonist INCB3344 (10 nM) for 24 h. h Sonicated BMMSCs were subjected to chromatin immunoprecipitation (ChIP) using an anti-p65 antibody. The ChIP DNA samples were then subjected to qPCR amplification using specific primers against the promoter region of Lcn2, as shown in supplementary Fig. . Representative gel images of end-point ChIP-qPCR products are shown. i Quantitative results are shown as the percentage of input DNA: % of Input = 2^(CT Input −CT IP )/dilution factor × 100%. j Luciferase reporter assay was performed in isolated WT and KO BMMSCs transfected with pGL3 constructs containing the mouse wild-type Lcn2 promoter (Lcn2-WT) or the mutated Lcn2 promoter with mutations in the NF-κB binding motif (Lcn2-Mut, sequence in supplementary Fig. ). The firefly luciferase activity was measured and normalized to Renilla luciferase activity. k Schematic diagram illustrating the actions of rmCcl2, the CCR2 antagonist, and the NF-κB-specific inhibitor QNZ on NF-κB translocation and Lcn2 expression; created with BioRender ( https://BioRender.com ). l ELISA analysis of total p65 in the nucleus and cytoplasm of BMMSCs. m Representative immunofluorescence images of intracellular p65 localization. Nuclei were stained with DAPI (blue). Scale bar, 50 μm. n P65 nuclear translocation was quantified by ImageJ software via Pearson’s correlation coefficient (PCC) between the p65 immunofluorescence signal and DAPI staining across segmented nuclear regions. o , p WT and KO BMMSCs were treated with the NF-κB-specific inhibitor QNZ (10 nM) for another 2 h after 24-h treatment of rmCcl2 (100 ng/mL) and INCB3344 (10 nM). o The mRNA level of Lcn2 . p Lcn2 levels in the culture medium were determined by ELISA. q Illustration of how the AP-1 inhibitor modulates Ccl2 gene expression; created with BioRender ( https://BioRender.com ). r–u WT and KO BMMSCs were treated with the AP-1-specific inhibitor T-5224 (10 μM) for 24 h. r Sonicated BMMSCs were subjected to ChIP assay using an anti-c-Jun antibody. Representative gel images of end-point ChIP-qPCR products are shown. s Quantitative results are shown as the percentage of input DNA. t The mRNA level of Ccl2 . u Ccl2 levels in the culture medium were determined by ELISA. v Luciferase reporter assay was performed in isolated WT and KO BMMSCs transfected with pGL3 constructs containing the mouse wild-type Ccl2 promoter (Ccl2-WT) or the mutated Ccl2 promoter with mutations in the c-Jun binding motif (Ccl2-Mut, sequence in supplementary Fig. ). The firefly luciferase activity was measured and normalized to Renilla luciferase activity. n = 5 for each group. The data are presented as the means ± SEMs; * p < 0.05, ** p < 0.01, *** p < 0.001. See also supplementary Figs. –

    Article Snippet: The luciferase reporter assay was performed by transfecting 0.2 μg of firefly and Renilla luciferase reporter vectors (Addgene, #128046) driven by either the wild-type mouse Lcn2 or Ccl2 promoter (−1999/+1) or their respective mutants (in which the NF-κB or c-Jun DNA binding site was mutated) (Azenta) into BMMSCs seeded in 96-well plates using Lipofectamine 3000 transfection reagent (Thermo Fisher Scientific, #L3000001).

    Techniques: Expressing, Inhibition, Activation Assay, Isolation, Gene Expression, Real-time Polymerase Chain Reaction, Recombinant, Sonication, Chromatin Immunoprecipitation, Amplification, ChIP-qPCR, Luciferase, Reporter Assay, Transfection, Construct, Binding Assay, Sequencing, Activity Assay, Translocation Assay, Enzyme-linked Immunosorbent Assay, Immunofluorescence, Staining, Software