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marker 4  (Beyotime)


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    Structured Review

    Beyotime marker 4
    Marker 4, supplied by Beyotime, used in various techniques. Bioz Stars score: 99/100, based on 31805 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/nuclear+marker+dapi/DAPI/pmc11033159-239-19-22
    Average 99 stars, based on 31805 article reviews
    marker 4 - by Bioz Stars, 2026-09
    99/100 stars

    Images

    Related Articles

    Staining:

    Article Title: Immunomodulatory effects of biodegradable Mg–Cu–Zn alloy in esophageal cancer
    Article Snippet: .. After treatment, all cells were washed twice with PBS, and fixed with 4% paraformaldehyde for 15 min. After permeabilization with 0.5% Triton X-100 for 10 min, cells were stained with 4′,6-diamidino-2-phenylindole (DAPI, Beyotime, China) for 10 min at room temperature in the dark. .. Images from ten random fields were captured using a fluorescence microscope (CKX53, Olympus, Japan) and analyzed using ImageJ software.

    Article Title: A nature-derived, strong adhesive hydrogel microsphere for wet tissue repair: Multifunctional and clinical potential
    Article Snippet: In short, the cells were washed twice with PBS, fixed in 4 % paraformaldehyde (PFA, Solarbio, China) for 15 min, and then washed with PBS again. .. The cells were permeabilized with 0.2 %Triton X-100 solution for 15 min, followed by incubation with FITC-phalloidin dye (Yeasen, China) in the dark for 30 min, and then stained with 4’, 6-diamidino-2-phenylindole (DAPI, Beyotime, China) for 8 min. ..

    Article Title: A dual-functional hydrogel integrating adhesive and lubricating interfaces for mitochondrial protection–Driven cartilage regeneration
    Article Snippet: Proliferation was assessed using an EdU fluorescence kit (Beyotime, C0078S) according to the manufacturer's instructions: cells were incubated with 10 μM EdU for 2 h, fixed with 4% paraformaldehyde (Beyotime, P0099), and sequentially stained with Apollo® 567 (Ribobio, C10310 ) and Hoechst 33342 (Beyotime, C1022); fluorescence images were acquired on a microscope (Olympus BX53, Japan), and EdU-positive percentages were calculated from five randomly selected fields. .. Apoptosis was evaluated by TUNEL staining (Beyotime, C1088) after identical pretreatment, with fixation and permeabilization followed by incubation with the TUNEL reaction mixture at 37 °C for 1 h in the dark and DAPI (Beyotime, P0131) counterstaining; images were collected on the same microscope and quantified in ImageJ. .. For quantitative apoptosis analysis by flow cytometry, chondrocytes were seeded in 6-well plates (1 × 10 6 cells per well), subjected to the same LPS induction and hydrogel treatment, harvested, washed twice with cold PBS, resuspended in 1 × binding buffer, and stained with Annexin V-APC/7-AAD (Beyotime, C1063L) for 15 min at room temperature in the dark; apoptotic fractions were determined on a BD LSRFortessa X-20 (USA).

    Article Title: Microenvironment-educated MSC-EVs loaded injectable smart hydrogel for targeting senescent nucleus pulposus cells and inhibiting ferroptosis against intervertebral disc degeneration
    Article Snippet: The pelleted EVs were pre-labeled with 10 μM PHK26 dye (Beyotime, C2017S) and then co-cultured with NPCs for 12 h, respectively. .. After fixation with 4% paraformaldehyde for 15 min, the Actin-tracker was used for cytoskeleton staining (Beyotime, C2201S), and the nucleus was stained with DAPI (Beyotime, C1002). .. The internalization of EVs was observed using confocal microscope (Olympus, FV3000).

    Article Title: Small extracellular vesicle-integrated by herbal hydrogels for spatiotemporal immunomodulation and neurovascular repair following traumatic brain injury
    Article Snippet: .. The following were used: Nissl staining (G1036, Servicebio, China), One Step TUNEL Apoptosis Assay Kit (MA0224, Meilunbio, China), anti-Fluorescence Quencher (Contains DAPI) (P0131, Beyotime Biotechnology, China), Polymer-HRP Anti-Rabbit Secondary Antibody Kit (AFIHC003, AiFang biological, China), DAB Chromogenic Reagent Kit (ZLI-9019, ZSGB-BIO, China), RaPure Total RNA Kit (MD021, Magen, China), RNA Reversing Reagent Kit (RR047A, TaKaRa, Japan), ChamQTM Universal SYBR® qPCR Master Mix (Q711, Vazyme, China), Polymerase Chain Reaction Anti-Mouse IgG-HRP Kit (SV0001, Boster Biological Technology, China), Mouse IL-6 MPCLIA Kit (GLM0004, Boster Biological Technology, China) Isolation and purification of sEV by differential ultracentrifugation. ..

    Article Title: Gut microbiota-derived taurolithocholic acid modulates myofiber-type switching via p38 MAPK/PGC-1α signaling underlying breed differences between Arbor Acres and Taoyuan chickens
    Article Snippet: Following blocking with 1% BSA, the sections were incubated with the primary antibody MYH1A (1:100, F59, DSHB, USA) and the AF647-labeled goat anti-mouse secondary antibody (1:500, A0473, Beyotime), with the primary antibody MYH7B (1:100, S58, DSHB) and the FITC-labeled goat anti-mouse secondary antibody (1:500, A0568, Beyotime). .. Cell nuclei were stained with DAPI (C1002, Beyotime). .. Finally, the sections were observed under a fluorescence microscope (Leica, Wetzlar, Germany) and the fluorescence area was calculated using ImageJ software.

    Incubation:

    Article Title: A nature-derived, strong adhesive hydrogel microsphere for wet tissue repair: Multifunctional and clinical potential
    Article Snippet: In short, the cells were washed twice with PBS, fixed in 4 % paraformaldehyde (PFA, Solarbio, China) for 15 min, and then washed with PBS again. .. The cells were permeabilized with 0.2 %Triton X-100 solution for 15 min, followed by incubation with FITC-phalloidin dye (Yeasen, China) in the dark for 30 min, and then stained with 4’, 6-diamidino-2-phenylindole (DAPI, Beyotime, China) for 8 min. ..

    Article Title: A dual-functional hydrogel integrating adhesive and lubricating interfaces for mitochondrial protection–Driven cartilage regeneration
    Article Snippet: Proliferation was assessed using an EdU fluorescence kit (Beyotime, C0078S) according to the manufacturer's instructions: cells were incubated with 10 μM EdU for 2 h, fixed with 4% paraformaldehyde (Beyotime, P0099), and sequentially stained with Apollo® 567 (Ribobio, C10310 ) and Hoechst 33342 (Beyotime, C1022); fluorescence images were acquired on a microscope (Olympus BX53, Japan), and EdU-positive percentages were calculated from five randomly selected fields. .. Apoptosis was evaluated by TUNEL staining (Beyotime, C1088) after identical pretreatment, with fixation and permeabilization followed by incubation with the TUNEL reaction mixture at 37 °C for 1 h in the dark and DAPI (Beyotime, P0131) counterstaining; images were collected on the same microscope and quantified in ImageJ. .. For quantitative apoptosis analysis by flow cytometry, chondrocytes were seeded in 6-well plates (1 × 10 6 cells per well), subjected to the same LPS induction and hydrogel treatment, harvested, washed twice with cold PBS, resuspended in 1 × binding buffer, and stained with Annexin V-APC/7-AAD (Beyotime, C1063L) for 15 min at room temperature in the dark; apoptotic fractions were determined on a BD LSRFortessa X-20 (USA).

    Article Title: Mechanically sensitized hydrogel microspheres trigger membrane receptor switch for cartilage repair
    Article Snippet: .. The OBNC microspheres were added to the working solution according to the manufacturer's instructions, incubated for 30 min in the dark, and an anti-fluorescence quencher containing DAPI dye was added (No. P0131, Beyotime Biotechnology Co., LTD., China). .. F-actin was observed and images were acquired using a confocal laser microscope (STELLARIS5, Leica, GRE).

    TUNEL Assay:

    Article Title: A dual-functional hydrogel integrating adhesive and lubricating interfaces for mitochondrial protection–Driven cartilage regeneration
    Article Snippet: Proliferation was assessed using an EdU fluorescence kit (Beyotime, C0078S) according to the manufacturer's instructions: cells were incubated with 10 μM EdU for 2 h, fixed with 4% paraformaldehyde (Beyotime, P0099), and sequentially stained with Apollo® 567 (Ribobio, C10310 ) and Hoechst 33342 (Beyotime, C1022); fluorescence images were acquired on a microscope (Olympus BX53, Japan), and EdU-positive percentages were calculated from five randomly selected fields. .. Apoptosis was evaluated by TUNEL staining (Beyotime, C1088) after identical pretreatment, with fixation and permeabilization followed by incubation with the TUNEL reaction mixture at 37 °C for 1 h in the dark and DAPI (Beyotime, P0131) counterstaining; images were collected on the same microscope and quantified in ImageJ. .. For quantitative apoptosis analysis by flow cytometry, chondrocytes were seeded in 6-well plates (1 × 10 6 cells per well), subjected to the same LPS induction and hydrogel treatment, harvested, washed twice with cold PBS, resuspended in 1 × binding buffer, and stained with Annexin V-APC/7-AAD (Beyotime, C1063L) for 15 min at room temperature in the dark; apoptotic fractions were determined on a BD LSRFortessa X-20 (USA).

    Article Title: Small extracellular vesicle-integrated by herbal hydrogels for spatiotemporal immunomodulation and neurovascular repair following traumatic brain injury
    Article Snippet: .. The following were used: Nissl staining (G1036, Servicebio, China), One Step TUNEL Apoptosis Assay Kit (MA0224, Meilunbio, China), anti-Fluorescence Quencher (Contains DAPI) (P0131, Beyotime Biotechnology, China), Polymer-HRP Anti-Rabbit Secondary Antibody Kit (AFIHC003, AiFang biological, China), DAB Chromogenic Reagent Kit (ZLI-9019, ZSGB-BIO, China), RaPure Total RNA Kit (MD021, Magen, China), RNA Reversing Reagent Kit (RR047A, TaKaRa, Japan), ChamQTM Universal SYBR® qPCR Master Mix (Q711, Vazyme, China), Polymerase Chain Reaction Anti-Mouse IgG-HRP Kit (SV0001, Boster Biological Technology, China), Mouse IL-6 MPCLIA Kit (GLM0004, Boster Biological Technology, China) Isolation and purification of sEV by differential ultracentrifugation. ..

    Microscopy:

    Article Title: A dual-functional hydrogel integrating adhesive and lubricating interfaces for mitochondrial protection–Driven cartilage regeneration
    Article Snippet: Proliferation was assessed using an EdU fluorescence kit (Beyotime, C0078S) according to the manufacturer's instructions: cells were incubated with 10 μM EdU for 2 h, fixed with 4% paraformaldehyde (Beyotime, P0099), and sequentially stained with Apollo® 567 (Ribobio, C10310 ) and Hoechst 33342 (Beyotime, C1022); fluorescence images were acquired on a microscope (Olympus BX53, Japan), and EdU-positive percentages were calculated from five randomly selected fields. .. Apoptosis was evaluated by TUNEL staining (Beyotime, C1088) after identical pretreatment, with fixation and permeabilization followed by incubation with the TUNEL reaction mixture at 37 °C for 1 h in the dark and DAPI (Beyotime, P0131) counterstaining; images were collected on the same microscope and quantified in ImageJ. .. For quantitative apoptosis analysis by flow cytometry, chondrocytes were seeded in 6-well plates (1 × 10 6 cells per well), subjected to the same LPS induction and hydrogel treatment, harvested, washed twice with cold PBS, resuspended in 1 × binding buffer, and stained with Annexin V-APC/7-AAD (Beyotime, C1063L) for 15 min at room temperature in the dark; apoptotic fractions were determined on a BD LSRFortessa X-20 (USA).

    Laser-Scanning Microscopy:

    Article Title: Spatiotemporally engineered microneedle for microenvironment remodeling propels mucosal regeneration after tracheal mucosal injury
    Article Snippet: Cells were then incubated overnight at 4 °C with rabbit polyclonal antibodies against CD86 or CD206 (1:200, Proteintech), followed by 1 h incubation with Alexa Fluor 488-conjugated or CoraLite Plus 594-conjugated goat anti-rabbit IgG secondary antibodies (1:200, Proteintech). .. Nuclei were counterstained with DAPI (1:100, Beyotime) for 5 min, and images were acquired using a confocal laser scanning microscope. .. Flow cytometry (Beckman Coulter, USA) was further employed to analyze the phenotypic changes of RAW264.7 cells.

    Apoptosis Assay:

    Article Title: Small extracellular vesicle-integrated by herbal hydrogels for spatiotemporal immunomodulation and neurovascular repair following traumatic brain injury
    Article Snippet: .. The following were used: Nissl staining (G1036, Servicebio, China), One Step TUNEL Apoptosis Assay Kit (MA0224, Meilunbio, China), anti-Fluorescence Quencher (Contains DAPI) (P0131, Beyotime Biotechnology, China), Polymer-HRP Anti-Rabbit Secondary Antibody Kit (AFIHC003, AiFang biological, China), DAB Chromogenic Reagent Kit (ZLI-9019, ZSGB-BIO, China), RaPure Total RNA Kit (MD021, Magen, China), RNA Reversing Reagent Kit (RR047A, TaKaRa, Japan), ChamQTM Universal SYBR® qPCR Master Mix (Q711, Vazyme, China), Polymerase Chain Reaction Anti-Mouse IgG-HRP Kit (SV0001, Boster Biological Technology, China), Mouse IL-6 MPCLIA Kit (GLM0004, Boster Biological Technology, China) Isolation and purification of sEV by differential ultracentrifugation. ..

    Polymer:

    Article Title: Small extracellular vesicle-integrated by herbal hydrogels for spatiotemporal immunomodulation and neurovascular repair following traumatic brain injury
    Article Snippet: .. The following were used: Nissl staining (G1036, Servicebio, China), One Step TUNEL Apoptosis Assay Kit (MA0224, Meilunbio, China), anti-Fluorescence Quencher (Contains DAPI) (P0131, Beyotime Biotechnology, China), Polymer-HRP Anti-Rabbit Secondary Antibody Kit (AFIHC003, AiFang biological, China), DAB Chromogenic Reagent Kit (ZLI-9019, ZSGB-BIO, China), RaPure Total RNA Kit (MD021, Magen, China), RNA Reversing Reagent Kit (RR047A, TaKaRa, Japan), ChamQTM Universal SYBR® qPCR Master Mix (Q711, Vazyme, China), Polymerase Chain Reaction Anti-Mouse IgG-HRP Kit (SV0001, Boster Biological Technology, China), Mouse IL-6 MPCLIA Kit (GLM0004, Boster Biological Technology, China) Isolation and purification of sEV by differential ultracentrifugation. ..

    Real-time Polymerase Chain Reaction:

    Article Title: Small extracellular vesicle-integrated by herbal hydrogels for spatiotemporal immunomodulation and neurovascular repair following traumatic brain injury
    Article Snippet: .. The following were used: Nissl staining (G1036, Servicebio, China), One Step TUNEL Apoptosis Assay Kit (MA0224, Meilunbio, China), anti-Fluorescence Quencher (Contains DAPI) (P0131, Beyotime Biotechnology, China), Polymer-HRP Anti-Rabbit Secondary Antibody Kit (AFIHC003, AiFang biological, China), DAB Chromogenic Reagent Kit (ZLI-9019, ZSGB-BIO, China), RaPure Total RNA Kit (MD021, Magen, China), RNA Reversing Reagent Kit (RR047A, TaKaRa, Japan), ChamQTM Universal SYBR® qPCR Master Mix (Q711, Vazyme, China), Polymerase Chain Reaction Anti-Mouse IgG-HRP Kit (SV0001, Boster Biological Technology, China), Mouse IL-6 MPCLIA Kit (GLM0004, Boster Biological Technology, China) Isolation and purification of sEV by differential ultracentrifugation. ..

    Polymerase Chain Reaction:

    Article Title: Small extracellular vesicle-integrated by herbal hydrogels for spatiotemporal immunomodulation and neurovascular repair following traumatic brain injury
    Article Snippet: .. The following were used: Nissl staining (G1036, Servicebio, China), One Step TUNEL Apoptosis Assay Kit (MA0224, Meilunbio, China), anti-Fluorescence Quencher (Contains DAPI) (P0131, Beyotime Biotechnology, China), Polymer-HRP Anti-Rabbit Secondary Antibody Kit (AFIHC003, AiFang biological, China), DAB Chromogenic Reagent Kit (ZLI-9019, ZSGB-BIO, China), RaPure Total RNA Kit (MD021, Magen, China), RNA Reversing Reagent Kit (RR047A, TaKaRa, Japan), ChamQTM Universal SYBR® qPCR Master Mix (Q711, Vazyme, China), Polymerase Chain Reaction Anti-Mouse IgG-HRP Kit (SV0001, Boster Biological Technology, China), Mouse IL-6 MPCLIA Kit (GLM0004, Boster Biological Technology, China) Isolation and purification of sEV by differential ultracentrifugation. ..

    Isolation:

    Article Title: Small extracellular vesicle-integrated by herbal hydrogels for spatiotemporal immunomodulation and neurovascular repair following traumatic brain injury
    Article Snippet: .. The following were used: Nissl staining (G1036, Servicebio, China), One Step TUNEL Apoptosis Assay Kit (MA0224, Meilunbio, China), anti-Fluorescence Quencher (Contains DAPI) (P0131, Beyotime Biotechnology, China), Polymer-HRP Anti-Rabbit Secondary Antibody Kit (AFIHC003, AiFang biological, China), DAB Chromogenic Reagent Kit (ZLI-9019, ZSGB-BIO, China), RaPure Total RNA Kit (MD021, Magen, China), RNA Reversing Reagent Kit (RR047A, TaKaRa, Japan), ChamQTM Universal SYBR® qPCR Master Mix (Q711, Vazyme, China), Polymerase Chain Reaction Anti-Mouse IgG-HRP Kit (SV0001, Boster Biological Technology, China), Mouse IL-6 MPCLIA Kit (GLM0004, Boster Biological Technology, China) Isolation and purification of sEV by differential ultracentrifugation. ..

    Purification:

    Article Title: Small extracellular vesicle-integrated by herbal hydrogels for spatiotemporal immunomodulation and neurovascular repair following traumatic brain injury
    Article Snippet: .. The following were used: Nissl staining (G1036, Servicebio, China), One Step TUNEL Apoptosis Assay Kit (MA0224, Meilunbio, China), anti-Fluorescence Quencher (Contains DAPI) (P0131, Beyotime Biotechnology, China), Polymer-HRP Anti-Rabbit Secondary Antibody Kit (AFIHC003, AiFang biological, China), DAB Chromogenic Reagent Kit (ZLI-9019, ZSGB-BIO, China), RaPure Total RNA Kit (MD021, Magen, China), RNA Reversing Reagent Kit (RR047A, TaKaRa, Japan), ChamQTM Universal SYBR® qPCR Master Mix (Q711, Vazyme, China), Polymerase Chain Reaction Anti-Mouse IgG-HRP Kit (SV0001, Boster Biological Technology, China), Mouse IL-6 MPCLIA Kit (GLM0004, Boster Biological Technology, China) Isolation and purification of sEV by differential ultracentrifugation. ..



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    Expression of key genes at mRNA and protein levels in the hippocampus of TLE animal model. (A) Construction of the TLE mouse model. It primarily illustrates the process of animal anesthesia and fixation, kainic acid injection localization, brain tissue separation on ice, and hippocampus extraction. (B) Expression levels of core genes' corresponding mRNA in the hippocampus of NC and TLE groups identified by qPCR. Data are shown as mean ± SE. (C) Western blot analysis of hippocampal lysates displaying the protein levels of Dnmt1, Cdc25b, Ssh2, Fgd3, Gzma, Raf1, and Mx1 with Actin serving as a loading control. <t>Approximate</t> <t>molecular</t> weights are indicated. (D) Quantification of Western blot analysis of the protein bands in Figure C, through relative gray values compared across NC and TLE hippocampus samples. (E) Quantitative analyses of immunofluorescence staining showing the fluorescence intensity between NC and TLE in Figure F. (F) Representative immunofluorescence images showing the hippocampal localization of Cdc25b, Raf1, Fgd3, Dnmt1, Mx1, and Ssh2 (red) with <t>DAPI</t> staining the nuclei (blue) in NC and TLE groups (Scale bar, 100 μm). (TLE, temporal lobe epilepsy; NC, normal control. * p < 0.05, ** p < 0.01, *** p < 0.001, ns, not significant.)
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    Image Search Results


    Expression of key genes at mRNA and protein levels in the hippocampus of TLE animal model. (A) Construction of the TLE mouse model. It primarily illustrates the process of animal anesthesia and fixation, kainic acid injection localization, brain tissue separation on ice, and hippocampus extraction. (B) Expression levels of core genes' corresponding mRNA in the hippocampus of NC and TLE groups identified by qPCR. Data are shown as mean ± SE. (C) Western blot analysis of hippocampal lysates displaying the protein levels of Dnmt1, Cdc25b, Ssh2, Fgd3, Gzma, Raf1, and Mx1 with Actin serving as a loading control. Approximate molecular weights are indicated. (D) Quantification of Western blot analysis of the protein bands in Figure C, through relative gray values compared across NC and TLE hippocampus samples. (E) Quantitative analyses of immunofluorescence staining showing the fluorescence intensity between NC and TLE in Figure F. (F) Representative immunofluorescence images showing the hippocampal localization of Cdc25b, Raf1, Fgd3, Dnmt1, Mx1, and Ssh2 (red) with DAPI staining the nuclei (blue) in NC and TLE groups (Scale bar, 100 μm). (TLE, temporal lobe epilepsy; NC, normal control. * p < 0.05, ** p < 0.01, *** p < 0.001, ns, not significant.)

    Journal: CNS Neuroscience & Therapeutics

    Article Title: Integrated Mendelian Randomization and Single‐Cell Transcriptomics Analysis Identifies Critical Blood Biomarkers and Potential Mechanisms in Epilepsy

    doi: 10.1111/cns.70172

    Figure Lengend Snippet: Expression of key genes at mRNA and protein levels in the hippocampus of TLE animal model. (A) Construction of the TLE mouse model. It primarily illustrates the process of animal anesthesia and fixation, kainic acid injection localization, brain tissue separation on ice, and hippocampus extraction. (B) Expression levels of core genes' corresponding mRNA in the hippocampus of NC and TLE groups identified by qPCR. Data are shown as mean ± SE. (C) Western blot analysis of hippocampal lysates displaying the protein levels of Dnmt1, Cdc25b, Ssh2, Fgd3, Gzma, Raf1, and Mx1 with Actin serving as a loading control. Approximate molecular weights are indicated. (D) Quantification of Western blot analysis of the protein bands in Figure C, through relative gray values compared across NC and TLE hippocampus samples. (E) Quantitative analyses of immunofluorescence staining showing the fluorescence intensity between NC and TLE in Figure F. (F) Representative immunofluorescence images showing the hippocampal localization of Cdc25b, Raf1, Fgd3, Dnmt1, Mx1, and Ssh2 (red) with DAPI staining the nuclei (blue) in NC and TLE groups (Scale bar, 100 μm). (TLE, temporal lobe epilepsy; NC, normal control. * p < 0.05, ** p < 0.01, *** p < 0.001, ns, not significant.)

    Article Snippet: Subsequently, slices were briefly rinsed in PBS for 5 min and stained with the DAPI nuclear marker (# D1306, 1:10000, Molecular Probes) for 5 min. After a final PBS rinse, slices were mounted on gel‐coated slides, cover‐slipped with Prolong gold anti‐fade (# P36930, Vector Laboratories), and stored at 4°C until further analysis.

    Techniques: Expressing, Animal Model, Injection, Extraction, Western Blot, Control, Immunofluorescence, Staining, Fluorescence