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dapi staining solution  (Beyotime)


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    Structured Review

    Beyotime dapi staining solution
    CuPaeNs bound to FSCN1. A) Bubble chart of GO enrichment analysis top 10 of cellular component after CuPaeNs treatment. B) <t>Immunofluorescence</t> <t>staining</t> of B16 cells in different groups. <t>DAPI</t> (blue), FSCN1 (green), and F‐actin (red). C) Molecular simulation of CuPaeNs. D) Computational model of active sites related to the potential key target of FSCN1 with paeonol, a single paeonol‐Cu 2+ unit, and CuPaeNs. The residues of the ligand‐binding domain proteins, involved in hydrogen bonds, were illustrated and marked with yellow dotted lines. E) Molecular simulation illustrating the binding affinity and detailed intermolecular binding interactions of FSCN1 with paeonol, a single Cu 2+ ‐paeonol unit, and CuPaeNs, focusing on main hydrogen bonds and hydrophobic interactions. F) Isothermal titration calorimetry result demonstrating the direct binding of CuPaeNs to FSCN1. G) CLSM images showing intracellular FSCN1 binding with CuPaeNs in B16 cells (scale bar = 20 µm) and H) responding pixel intensity plot. I) Assessment of CuPaeNs's impact on FSCN1's actin‐bundling activity using the Co‐IP assay. (J) Protein expression of FSCN1, F‐actin, and β‐actin with B16 cells in different groups, along with quantitative analysis ( n = 3). Statistically significant differences are indicated with their respective p ‐values ( *** p < 0.001).
    Dapi Staining Solution, supplied by Beyotime, used in various techniques. Bioz Stars score: 99/100, based on 2060 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/buffer+a+itc/DAPI+Staining+Solution/pmc13042531-249-2-44
    Average 99 stars, based on 2060 article reviews
    dapi staining solution - by Bioz Stars, 2026-10
    99/100 stars

    Images

    1) Product Images from "Beyond Catalytic Therapy: Copper‐Paeonol Nanozymes Disrupt Fascin‐Mediated Actin Bundling to Suppress Tumor Growth and Metastasis"

    Article Title: Beyond Catalytic Therapy: Copper‐Paeonol Nanozymes Disrupt Fascin‐Mediated Actin Bundling to Suppress Tumor Growth and Metastasis

    Journal: Advanced Science

    doi: 10.1002/advs.202512186

    CuPaeNs bound to FSCN1. A) Bubble chart of GO enrichment analysis top 10 of cellular component after CuPaeNs treatment. B) Immunofluorescence staining of B16 cells in different groups. DAPI (blue), FSCN1 (green), and F‐actin (red). C) Molecular simulation of CuPaeNs. D) Computational model of active sites related to the potential key target of FSCN1 with paeonol, a single paeonol‐Cu 2+ unit, and CuPaeNs. The residues of the ligand‐binding domain proteins, involved in hydrogen bonds, were illustrated and marked with yellow dotted lines. E) Molecular simulation illustrating the binding affinity and detailed intermolecular binding interactions of FSCN1 with paeonol, a single Cu 2+ ‐paeonol unit, and CuPaeNs, focusing on main hydrogen bonds and hydrophobic interactions. F) Isothermal titration calorimetry result demonstrating the direct binding of CuPaeNs to FSCN1. G) CLSM images showing intracellular FSCN1 binding with CuPaeNs in B16 cells (scale bar = 20 µm) and H) responding pixel intensity plot. I) Assessment of CuPaeNs's impact on FSCN1's actin‐bundling activity using the Co‐IP assay. (J) Protein expression of FSCN1, F‐actin, and β‐actin with B16 cells in different groups, along with quantitative analysis ( n = 3). Statistically significant differences are indicated with their respective p ‐values ( *** p < 0.001).
    Figure Legend Snippet: CuPaeNs bound to FSCN1. A) Bubble chart of GO enrichment analysis top 10 of cellular component after CuPaeNs treatment. B) Immunofluorescence staining of B16 cells in different groups. DAPI (blue), FSCN1 (green), and F‐actin (red). C) Molecular simulation of CuPaeNs. D) Computational model of active sites related to the potential key target of FSCN1 with paeonol, a single paeonol‐Cu 2+ unit, and CuPaeNs. The residues of the ligand‐binding domain proteins, involved in hydrogen bonds, were illustrated and marked with yellow dotted lines. E) Molecular simulation illustrating the binding affinity and detailed intermolecular binding interactions of FSCN1 with paeonol, a single Cu 2+ ‐paeonol unit, and CuPaeNs, focusing on main hydrogen bonds and hydrophobic interactions. F) Isothermal titration calorimetry result demonstrating the direct binding of CuPaeNs to FSCN1. G) CLSM images showing intracellular FSCN1 binding with CuPaeNs in B16 cells (scale bar = 20 µm) and H) responding pixel intensity plot. I) Assessment of CuPaeNs's impact on FSCN1's actin‐bundling activity using the Co‐IP assay. (J) Protein expression of FSCN1, F‐actin, and β‐actin with B16 cells in different groups, along with quantitative analysis ( n = 3). Statistically significant differences are indicated with their respective p ‐values ( *** p < 0.001).

    Techniques Used: Immunofluorescence, Staining, Ligand Binding Assay, Binding Assay, Isothermal Titration Calorimetry, Activity Assay, Co-Immunoprecipitation Assay, Expressing

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    Real-time Polymerase Chain Reaction:

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    Lysis:

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    Staining:

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    Incubation:

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    Enzyme-linked Immunosorbent Assay:

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    Activity Assay:

    Article Title: Geometry-driven immunomodulation in 3D-printed bioceramics: Negative curvature promotes macrophage M2 polarization via Ras-MAPK/HIF-1α signaling for vascularized osteogenesis
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    ( a ) Characterisation of BRD4 mutants that disrupt binding to CDK9-cyclin T1. Mutation of residues Gln1350, Leu1354 and Phe1357, highlighted by the FragLite map and AlphaFold3 model disrupt BRD4 binding to CDK9-Cyclin T1. ( b ) Mutation of BRD4 residues Leu1354 and Phe1357, leads to a loss of BRD4 binding to CDK9-cyclin T2 in a fluorescence polarisation (FP) assay. ( c ) The cyclin T1 Tyr175Ala mutation reduces the Homogenous Time-Resolved Fluorescence (HTRF) signal, whereas the Trp210Ala mutation, previously identified as important for AFF4 interaction and adjacent to Tyr175, shows signals comparable to wild-type. ( d-g ) <t>Isothermal</t> <t>Titration</t> <t>Calorimetry</t> <t>(ITC)</t> plots of CDK9-cyclin T2 complexes with BRD4. Representative titration plots for (d) CDK9-cyclin T2 (e) CDK9-cyclin T2 Tyr174Ala, (f) CDK9-cyclin T2 Phe175Ala (negative control), and (g) CDK9-cyclin T2 Trp206Ala vs the BRD4 P-TEFb Interaction Domain (PID). The top panels show the raw heat signal, and the bottom panels show the integrated heat per injection fitted to a single-site binding model. HTRF experiments were carried out in triplicate and repeated on three separate days. The error bars indicate SD. FP experiments were carried out in triplicate and repeated on three separate days. ITC thermodynamic parameters (K d ) were derived from three independent biological replicates. Derived K d values are compiled in . Related to and Supplementary Figure 11.
    Itc Buffer, supplied by Thermo Fisher, used in various techniques. Bioz Stars score: 99/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    ( a ) Characterisation of BRD4 mutants that disrupt binding to CDK9-cyclin T1. Mutation of residues Gln1350, Leu1354 and Phe1357, highlighted by the FragLite map and AlphaFold3 model disrupt BRD4 binding to CDK9-Cyclin T1. ( b ) Mutation of BRD4 residues Leu1354 and Phe1357, leads to a loss of BRD4 binding to CDK9-cyclin T2 in a fluorescence polarisation (FP) assay. ( c ) The cyclin T1 Tyr175Ala mutation reduces the Homogenous Time-Resolved Fluorescence (HTRF) signal, whereas the Trp210Ala mutation, previously identified as important for AFF4 interaction and adjacent to Tyr175, shows signals comparable to wild-type. ( d-g ) <t>Isothermal</t> <t>Titration</t> <t>Calorimetry</t> <t>(ITC)</t> plots of CDK9-cyclin T2 complexes with BRD4. Representative titration plots for (d) CDK9-cyclin T2 (e) CDK9-cyclin T2 Tyr174Ala, (f) CDK9-cyclin T2 Phe175Ala (negative control), and (g) CDK9-cyclin T2 Trp206Ala vs the BRD4 P-TEFb Interaction Domain (PID). The top panels show the raw heat signal, and the bottom panels show the integrated heat per injection fitted to a single-site binding model. HTRF experiments were carried out in triplicate and repeated on three separate days. The error bars indicate SD. FP experiments were carried out in triplicate and repeated on three separate days. ITC thermodynamic parameters (K d ) were derived from three independent biological replicates. Derived K d values are compiled in . Related to and Supplementary Figure 11.
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    ( a ) Characterisation of BRD4 mutants that disrupt binding to CDK9-cyclin T1. Mutation of residues Gln1350, Leu1354 and Phe1357, highlighted by the FragLite map and AlphaFold3 model disrupt BRD4 binding to CDK9-Cyclin T1. ( b ) Mutation of BRD4 residues Leu1354 and Phe1357, leads to a loss of BRD4 binding to CDK9-cyclin T2 in a fluorescence polarisation (FP) assay. ( c ) The cyclin T1 Tyr175Ala mutation reduces the Homogenous Time-Resolved Fluorescence (HTRF) signal, whereas the Trp210Ala mutation, previously identified as important for AFF4 interaction and adjacent to Tyr175, shows signals comparable to wild-type. ( d-g ) <t>Isothermal</t> <t>Titration</t> <t>Calorimetry</t> <t>(ITC)</t> plots of CDK9-cyclin T2 complexes with BRD4. Representative titration plots for (d) CDK9-cyclin T2 (e) CDK9-cyclin T2 Tyr174Ala, (f) CDK9-cyclin T2 Phe175Ala (negative control), and (g) CDK9-cyclin T2 Trp206Ala vs the BRD4 P-TEFb Interaction Domain (PID). The top panels show the raw heat signal, and the bottom panels show the integrated heat per injection fitted to a single-site binding model. HTRF experiments were carried out in triplicate and repeated on three separate days. The error bars indicate SD. FP experiments were carried out in triplicate and repeated on three separate days. ITC thermodynamic parameters (K d ) were derived from three independent biological replicates. Derived K d values are compiled in . Related to and Supplementary Figure 11.
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    ( a ) Characterisation of BRD4 mutants that disrupt binding to CDK9-cyclin T1. Mutation of residues Gln1350, Leu1354 and Phe1357, highlighted by the FragLite map and AlphaFold3 model disrupt BRD4 binding to CDK9-Cyclin T1. ( b ) Mutation of BRD4 residues Leu1354 and Phe1357, leads to a loss of BRD4 binding to CDK9-cyclin T2 in a fluorescence polarisation (FP) assay. ( c ) The cyclin T1 Tyr175Ala mutation reduces the Homogenous Time-Resolved Fluorescence (HTRF) signal, whereas the Trp210Ala mutation, previously identified as important for AFF4 interaction and adjacent to Tyr175, shows signals comparable to wild-type. ( d-g ) <t>Isothermal</t> <t>Titration</t> <t>Calorimetry</t> <t>(ITC)</t> plots of CDK9-cyclin T2 complexes with BRD4. Representative titration plots for (d) CDK9-cyclin T2 (e) CDK9-cyclin T2 Tyr174Ala, (f) CDK9-cyclin T2 Phe175Ala (negative control), and (g) CDK9-cyclin T2 Trp206Ala vs the BRD4 P-TEFb Interaction Domain (PID). The top panels show the raw heat signal, and the bottom panels show the integrated heat per injection fitted to a single-site binding model. HTRF experiments were carried out in triplicate and repeated on three separate days. The error bars indicate SD. FP experiments were carried out in triplicate and repeated on three separate days. ITC thermodynamic parameters (K d ) were derived from three independent biological replicates. Derived K d values are compiled in . Related to and Supplementary Figure 11.
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    ( a ) Characterisation of BRD4 mutants that disrupt binding to CDK9-cyclin T1. Mutation of residues Gln1350, Leu1354 and Phe1357, highlighted by the FragLite map and AlphaFold3 model disrupt BRD4 binding to CDK9-Cyclin T1. ( b ) Mutation of BRD4 residues Leu1354 and Phe1357, leads to a loss of BRD4 binding to CDK9-cyclin T2 in a fluorescence polarisation (FP) assay. ( c ) The cyclin T1 Tyr175Ala mutation reduces the Homogenous Time-Resolved Fluorescence (HTRF) signal, whereas the Trp210Ala mutation, previously identified as important for AFF4 interaction and adjacent to Tyr175, shows signals comparable to wild-type. ( d-g ) <t>Isothermal</t> <t>Titration</t> <t>Calorimetry</t> <t>(ITC)</t> plots of CDK9-cyclin T2 complexes with BRD4. Representative titration plots for (d) CDK9-cyclin T2 (e) CDK9-cyclin T2 Tyr174Ala, (f) CDK9-cyclin T2 Phe175Ala (negative control), and (g) CDK9-cyclin T2 Trp206Ala vs the BRD4 P-TEFb Interaction Domain (PID). The top panels show the raw heat signal, and the bottom panels show the integrated heat per injection fitted to a single-site binding model. HTRF experiments were carried out in triplicate and repeated on three separate days. The error bars indicate SD. FP experiments were carried out in triplicate and repeated on three separate days. ITC thermodynamic parameters (K d ) were derived from three independent biological replicates. Derived K d values are compiled in . Related to and Supplementary Figure 11.
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    ( a ) Characterisation of BRD4 mutants that disrupt binding to CDK9-cyclin T1. Mutation of residues Gln1350, Leu1354 and Phe1357, highlighted by the FragLite map and AlphaFold3 model disrupt BRD4 binding to CDK9-Cyclin T1. ( b ) Mutation of BRD4 residues Leu1354 and Phe1357, leads to a loss of BRD4 binding to CDK9-cyclin T2 in a fluorescence polarisation (FP) assay. ( c ) The cyclin T1 Tyr175Ala mutation reduces the Homogenous Time-Resolved Fluorescence (HTRF) signal, whereas the Trp210Ala mutation, previously identified as important for AFF4 interaction and adjacent to Tyr175, shows signals comparable to wild-type. ( d-g ) Isothermal Titration Calorimetry (ITC) plots of CDK9-cyclin T2 complexes with BRD4. Representative titration plots for (d) CDK9-cyclin T2 (e) CDK9-cyclin T2 Tyr174Ala, (f) CDK9-cyclin T2 Phe175Ala (negative control), and (g) CDK9-cyclin T2 Trp206Ala vs the BRD4 P-TEFb Interaction Domain (PID). The top panels show the raw heat signal, and the bottom panels show the integrated heat per injection fitted to a single-site binding model. HTRF experiments were carried out in triplicate and repeated on three separate days. The error bars indicate SD. FP experiments were carried out in triplicate and repeated on three separate days. ITC thermodynamic parameters (K d ) were derived from three independent biological replicates. Derived K d values are compiled in . Related to and Supplementary Figure 11.

    Journal: bioRxiv

    Article Title: FragLite mapping to identify the BRD4 recruitment site of P-TEFb

    doi: 10.64898/2026.04.09.717428

    Figure Lengend Snippet: ( a ) Characterisation of BRD4 mutants that disrupt binding to CDK9-cyclin T1. Mutation of residues Gln1350, Leu1354 and Phe1357, highlighted by the FragLite map and AlphaFold3 model disrupt BRD4 binding to CDK9-Cyclin T1. ( b ) Mutation of BRD4 residues Leu1354 and Phe1357, leads to a loss of BRD4 binding to CDK9-cyclin T2 in a fluorescence polarisation (FP) assay. ( c ) The cyclin T1 Tyr175Ala mutation reduces the Homogenous Time-Resolved Fluorescence (HTRF) signal, whereas the Trp210Ala mutation, previously identified as important for AFF4 interaction and adjacent to Tyr175, shows signals comparable to wild-type. ( d-g ) Isothermal Titration Calorimetry (ITC) plots of CDK9-cyclin T2 complexes with BRD4. Representative titration plots for (d) CDK9-cyclin T2 (e) CDK9-cyclin T2 Tyr174Ala, (f) CDK9-cyclin T2 Phe175Ala (negative control), and (g) CDK9-cyclin T2 Trp206Ala vs the BRD4 P-TEFb Interaction Domain (PID). The top panels show the raw heat signal, and the bottom panels show the integrated heat per injection fitted to a single-site binding model. HTRF experiments were carried out in triplicate and repeated on three separate days. The error bars indicate SD. FP experiments were carried out in triplicate and repeated on three separate days. ITC thermodynamic parameters (K d ) were derived from three independent biological replicates. Derived K d values are compiled in . Related to and Supplementary Figure 11.

    Article Snippet: CDK9-cyclin T2 was buffer exchanged using a HiTrap desalting column (5 mL) (Cytiva) into ITC buffer (50 mM HEPES, 300 mM NaCl, 0.5 mM TCEP, pH 7.4) and protein concentration was then determined using a Nanodrop 2000 at an absorbance of 280 nm with sequence derived extinction coefficients ( http://web.expasy.org/ protparam/).

    Techniques: Binding Assay, Mutagenesis, Fluorescence, FP Assay, Isothermal Titration Calorimetry, Titration, Negative Control, Injection, Derivative Assay