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rabbit monoclonal anti proliferating cell nuclear antigen pcna  (Proteintech)


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    Proteintech rabbit monoclonal anti proliferating cell nuclear antigen pcna
    hfNCSC-sEVs are taken up by PCs in vitro and enhance their proliferation and migration. (A) Primary cultures of hfNCSCs were established from male Sprague–Dawley rats. (B) Immunofluorescence staining of the neural crest cell marker p75 (red) and the stem cell marker nestin (green) in hfNCSCs, with 4′,6-diamidino-2-phenylindole (DAPI) staining indicating the nuclei. (C) Western blot analysis demonstrated the presence of surface markers (cluster of differentiation [CD]9, CD81, and tumor susceptibility gene 101 protein [TSG101]) and the absence of an endoplasmic reticulum marker (calnexin) in hfNCSC-sEVs. (D) Nanoparticle tracking analysis was used to quantify the concentration and size distribution of hfNCSC-sEVs. (E) Transmission electron microscopy was used to visualize the characteristic morphology of hfNCSC-sEVs. (F) Immunofluorescence staining indicated that the third-generation PCs cultured in vitro were positive for claudin-1, zonula occludens 1 (ZO1), and glucose transporter 1 (GLUT1) but negative for S100, with DAPI staining marking the nuclei. (G) The internalization of PKH26-labeled hfNCSC-sEVs (red) by ZO1-positive PCs (green) was visualized using immunofluorescence staining, with DAPI staining to mark the nuclei. (H) The Cell Counting Kit-8 assay was used to evaluate the cell viability of PCs across concentrations of 0, 2 × 10 8 , 5 × 10 8 , and 10 × 10 8 particles/mL hfNCSC-sEVs at 3, 5, and 7 days of in vitro culture ( n = 5 per group). (I) The Transwell assay was used to quantify the number of migrating PCs at 6, 12, and 18 hours post-treatment with the aforementioned concentrations of hfNCSC-sEVs, in in vitro culture ( n = 6 per group). (J) Western blot and (K) statistical analyses revealed the relative protein expression levels of proliferating cell nuclear antigen <t>(PCNA)</t> and vimentin in PCs from the phosphate-buffered saline (PBS) and hfNCSC-sEVs groups on day 5 of in vitro culture (normalized to β-actin, n = 3 per group). Data are expressed as the mean ± SEM. * P < 0.05, ** P < 0.01, *** P < 0.001 (one-way analysis of variance and Tukey’s multiple comparison test for H and I; Student’s t -test for K). The data were from at least three separate and independent studies. CCK-8: Cell counting kit-8; GLUT1: glucose transporter 1; hfNCSCs: hair follicle neural crest stem cells; ns: not significant; PCNA: proliferating cell nuclear antigen; PCs: perineurial cells; sEVs: small extracellular vesicles; ZO1: zonula occludens 1.
    Rabbit Monoclonal Anti Proliferating Cell Nuclear Antigen Pcna, supplied by Proteintech, used in various techniques. Bioz Stars score: 96/100, based on 1348 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/anti+proliferating+cell+nuclear+antigen/PCNA+Antibody/pmc12694726-94-6-17
    Average 96 stars, based on 1348 article reviews
    rabbit monoclonal anti proliferating cell nuclear antigen pcna - by Bioz Stars, 2026-10
    96/100 stars

    Images

    1) Product Images from "Small extracellular vesicles derived from hair follicle neural crest stem cells enhance perineurial cell proliferation and migration via the TGF-β/SMAD/HAS2 pathway"

    Article Title: Small extracellular vesicles derived from hair follicle neural crest stem cells enhance perineurial cell proliferation and migration via the TGF-β/SMAD/HAS2 pathway

    Journal: Neural Regeneration Research

    doi: 10.4103/NRR.NRR-D-25-00127

    hfNCSC-sEVs are taken up by PCs in vitro and enhance their proliferation and migration. (A) Primary cultures of hfNCSCs were established from male Sprague–Dawley rats. (B) Immunofluorescence staining of the neural crest cell marker p75 (red) and the stem cell marker nestin (green) in hfNCSCs, with 4′,6-diamidino-2-phenylindole (DAPI) staining indicating the nuclei. (C) Western blot analysis demonstrated the presence of surface markers (cluster of differentiation [CD]9, CD81, and tumor susceptibility gene 101 protein [TSG101]) and the absence of an endoplasmic reticulum marker (calnexin) in hfNCSC-sEVs. (D) Nanoparticle tracking analysis was used to quantify the concentration and size distribution of hfNCSC-sEVs. (E) Transmission electron microscopy was used to visualize the characteristic morphology of hfNCSC-sEVs. (F) Immunofluorescence staining indicated that the third-generation PCs cultured in vitro were positive for claudin-1, zonula occludens 1 (ZO1), and glucose transporter 1 (GLUT1) but negative for S100, with DAPI staining marking the nuclei. (G) The internalization of PKH26-labeled hfNCSC-sEVs (red) by ZO1-positive PCs (green) was visualized using immunofluorescence staining, with DAPI staining to mark the nuclei. (H) The Cell Counting Kit-8 assay was used to evaluate the cell viability of PCs across concentrations of 0, 2 × 10 8 , 5 × 10 8 , and 10 × 10 8 particles/mL hfNCSC-sEVs at 3, 5, and 7 days of in vitro culture ( n = 5 per group). (I) The Transwell assay was used to quantify the number of migrating PCs at 6, 12, and 18 hours post-treatment with the aforementioned concentrations of hfNCSC-sEVs, in in vitro culture ( n = 6 per group). (J) Western blot and (K) statistical analyses revealed the relative protein expression levels of proliferating cell nuclear antigen (PCNA) and vimentin in PCs from the phosphate-buffered saline (PBS) and hfNCSC-sEVs groups on day 5 of in vitro culture (normalized to β-actin, n = 3 per group). Data are expressed as the mean ± SEM. * P < 0.05, ** P < 0.01, *** P < 0.001 (one-way analysis of variance and Tukey’s multiple comparison test for H and I; Student’s t -test for K). The data were from at least three separate and independent studies. CCK-8: Cell counting kit-8; GLUT1: glucose transporter 1; hfNCSCs: hair follicle neural crest stem cells; ns: not significant; PCNA: proliferating cell nuclear antigen; PCs: perineurial cells; sEVs: small extracellular vesicles; ZO1: zonula occludens 1.
    Figure Legend Snippet: hfNCSC-sEVs are taken up by PCs in vitro and enhance their proliferation and migration. (A) Primary cultures of hfNCSCs were established from male Sprague–Dawley rats. (B) Immunofluorescence staining of the neural crest cell marker p75 (red) and the stem cell marker nestin (green) in hfNCSCs, with 4′,6-diamidino-2-phenylindole (DAPI) staining indicating the nuclei. (C) Western blot analysis demonstrated the presence of surface markers (cluster of differentiation [CD]9, CD81, and tumor susceptibility gene 101 protein [TSG101]) and the absence of an endoplasmic reticulum marker (calnexin) in hfNCSC-sEVs. (D) Nanoparticle tracking analysis was used to quantify the concentration and size distribution of hfNCSC-sEVs. (E) Transmission electron microscopy was used to visualize the characteristic morphology of hfNCSC-sEVs. (F) Immunofluorescence staining indicated that the third-generation PCs cultured in vitro were positive for claudin-1, zonula occludens 1 (ZO1), and glucose transporter 1 (GLUT1) but negative for S100, with DAPI staining marking the nuclei. (G) The internalization of PKH26-labeled hfNCSC-sEVs (red) by ZO1-positive PCs (green) was visualized using immunofluorescence staining, with DAPI staining to mark the nuclei. (H) The Cell Counting Kit-8 assay was used to evaluate the cell viability of PCs across concentrations of 0, 2 × 10 8 , 5 × 10 8 , and 10 × 10 8 particles/mL hfNCSC-sEVs at 3, 5, and 7 days of in vitro culture ( n = 5 per group). (I) The Transwell assay was used to quantify the number of migrating PCs at 6, 12, and 18 hours post-treatment with the aforementioned concentrations of hfNCSC-sEVs, in in vitro culture ( n = 6 per group). (J) Western blot and (K) statistical analyses revealed the relative protein expression levels of proliferating cell nuclear antigen (PCNA) and vimentin in PCs from the phosphate-buffered saline (PBS) and hfNCSC-sEVs groups on day 5 of in vitro culture (normalized to β-actin, n = 3 per group). Data are expressed as the mean ± SEM. * P < 0.05, ** P < 0.01, *** P < 0.001 (one-way analysis of variance and Tukey’s multiple comparison test for H and I; Student’s t -test for K). The data were from at least three separate and independent studies. CCK-8: Cell counting kit-8; GLUT1: glucose transporter 1; hfNCSCs: hair follicle neural crest stem cells; ns: not significant; PCNA: proliferating cell nuclear antigen; PCs: perineurial cells; sEVs: small extracellular vesicles; ZO1: zonula occludens 1.

    Techniques Used: In Vitro, Migration, Immunofluorescence, Staining, Marker, Western Blot, Concentration Assay, Transmission Assay, Electron Microscopy, Cell Culture, Labeling, Cell Counting, Transwell Assay, Expressing, Saline, Comparison, CCK-8 Assay

    miR-21-5p in hfNCSC-sEVs augments cell proliferation and migration by enhancing HAS2 expression in PCs. (A, B) Western blot (A) and statistical analyses (B) revealed the relative protein expression levels of HAS2, proliferating cell nuclear antigen (PCNA), and vimentin in PCs across the –/–, –/si- Has2 , hfNCSC-sEVs/–, and hfNCSC-sEVs/si- Has2 groups on day 5 of in vitro culture (normalized to β-actin, n = 3 per group). (C, D) The wound healing assay (C) and statistical analysis (D) demonstrated the migration rates of PCs in the aforementioned groups ( n = 3 per group). (E) The Cell Counting Kit-8 assay was used to assess cell viability in PCs across the same groups on day 5 of in vitro culture ( n = 5 per group). (F, G) Western blot (F) and statistical analyses (G) indicated the relative protein expression levels of HAS2, PCNA, and vimentin in PCs treated with phosphate-buffered saline (PBS), hfNCSC-sEVs, or hfNCSC-sEVs + miR-21-5p inhibitor on day 5 of in vitro culture (normalized to β-actin, n = 3 per group). (H–J) Immunofluorescence staining visualized the expression of HAS2 (red) and 5-ethynyl-2′-deoxyuridine (EdU; green) in PCs (H), and statistical analysis revealed the integrated optical density (IOD) of zonula occludens 1 (ZO1; I) and the cell proliferation rates (J) in the PBS, hfNCSC-sEVs, and hfNCSC-sEVs + miR-21-5p inhibitor groups on day 5 of in vitro culture ( n = 3 per group). (K, L) Western blot (K) and statistical analyses (L) showed the relative protein expression levels of HAS2, PCNA, and vimentin in regenerated tissue from the PBS, hfNCSC-sEVs, and hfNCSC-sEVs + miR-21-5p inhibitor groups on day 5 post-operation (normalized to β-tubulin, n = 3 per group). Data are expressed as the mean ± SEM. ** P < 0.01, *** P < 0.001 (one-way analysis of variance and Tukey’s multiple comparison test for B, D, E, G, I, J, and L). The data were from at least three separate and independent studies. CCK-8: Cell counting kit-8; EdU: 5-ethynyl-2′-deoxyuridine; HAS2: hyaluronan synthase 2; hfNCSCs: hair follicle neural crest stem cells; IOD: integrated optical density; PCNA: proliferating cell nuclear antigen; PCs: perineurial cells; sEVs: small extracellular vesicles; ZO1: zonula occludens 1.
    Figure Legend Snippet: miR-21-5p in hfNCSC-sEVs augments cell proliferation and migration by enhancing HAS2 expression in PCs. (A, B) Western blot (A) and statistical analyses (B) revealed the relative protein expression levels of HAS2, proliferating cell nuclear antigen (PCNA), and vimentin in PCs across the –/–, –/si- Has2 , hfNCSC-sEVs/–, and hfNCSC-sEVs/si- Has2 groups on day 5 of in vitro culture (normalized to β-actin, n = 3 per group). (C, D) The wound healing assay (C) and statistical analysis (D) demonstrated the migration rates of PCs in the aforementioned groups ( n = 3 per group). (E) The Cell Counting Kit-8 assay was used to assess cell viability in PCs across the same groups on day 5 of in vitro culture ( n = 5 per group). (F, G) Western blot (F) and statistical analyses (G) indicated the relative protein expression levels of HAS2, PCNA, and vimentin in PCs treated with phosphate-buffered saline (PBS), hfNCSC-sEVs, or hfNCSC-sEVs + miR-21-5p inhibitor on day 5 of in vitro culture (normalized to β-actin, n = 3 per group). (H–J) Immunofluorescence staining visualized the expression of HAS2 (red) and 5-ethynyl-2′-deoxyuridine (EdU; green) in PCs (H), and statistical analysis revealed the integrated optical density (IOD) of zonula occludens 1 (ZO1; I) and the cell proliferation rates (J) in the PBS, hfNCSC-sEVs, and hfNCSC-sEVs + miR-21-5p inhibitor groups on day 5 of in vitro culture ( n = 3 per group). (K, L) Western blot (K) and statistical analyses (L) showed the relative protein expression levels of HAS2, PCNA, and vimentin in regenerated tissue from the PBS, hfNCSC-sEVs, and hfNCSC-sEVs + miR-21-5p inhibitor groups on day 5 post-operation (normalized to β-tubulin, n = 3 per group). Data are expressed as the mean ± SEM. ** P < 0.01, *** P < 0.001 (one-way analysis of variance and Tukey’s multiple comparison test for B, D, E, G, I, J, and L). The data were from at least three separate and independent studies. CCK-8: Cell counting kit-8; EdU: 5-ethynyl-2′-deoxyuridine; HAS2: hyaluronan synthase 2; hfNCSCs: hair follicle neural crest stem cells; IOD: integrated optical density; PCNA: proliferating cell nuclear antigen; PCs: perineurial cells; sEVs: small extracellular vesicles; ZO1: zonula occludens 1.

    Techniques Used: Migration, Expressing, Western Blot, In Vitro, Wound Healing Assay, Cell Counting, Saline, Immunofluorescence, Staining, Comparison, CCK-8 Assay

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    Cell Signaling Technology Inc anti proliferating cell nuclear antigen pcna
    hfNCSC-sEVs are taken up by PCs in vitro and enhance their proliferation and migration. (A) Primary cultures of hfNCSCs were established from male Sprague–Dawley rats. (B) Immunofluorescence staining of the neural crest cell marker p75 (red) and the stem cell marker nestin (green) in hfNCSCs, with 4′,6-diamidino-2-phenylindole (DAPI) staining indicating the nuclei. (C) Western blot analysis demonstrated the presence of surface markers (cluster of differentiation [CD]9, CD81, and tumor susceptibility gene 101 protein [TSG101]) and the absence of an endoplasmic reticulum marker (calnexin) in hfNCSC-sEVs. (D) Nanoparticle tracking analysis was used to quantify the concentration and size distribution of hfNCSC-sEVs. (E) Transmission electron microscopy was used to visualize the characteristic morphology of hfNCSC-sEVs. (F) Immunofluorescence staining indicated that the third-generation PCs cultured in vitro were positive for claudin-1, zonula occludens 1 (ZO1), and glucose transporter 1 (GLUT1) but negative for S100, with DAPI staining marking the nuclei. (G) The internalization of PKH26-labeled hfNCSC-sEVs (red) by ZO1-positive PCs (green) was visualized using immunofluorescence staining, with DAPI staining to mark the nuclei. (H) The Cell Counting Kit-8 assay was used to evaluate the cell viability of PCs across concentrations of 0, 2 × 10 8 , 5 × 10 8 , and 10 × 10 8 particles/mL hfNCSC-sEVs at 3, 5, and 7 days of in vitro culture ( n = 5 per group). (I) The Transwell assay was used to quantify the number of migrating PCs at 6, 12, and 18 hours post-treatment with the aforementioned concentrations of hfNCSC-sEVs, in in vitro culture ( n = 6 per group). (J) Western blot and (K) statistical analyses revealed the relative protein expression levels of proliferating cell nuclear antigen <t>(PCNA)</t> and vimentin in PCs from the phosphate-buffered saline (PBS) and hfNCSC-sEVs groups on day 5 of in vitro culture (normalized to β-actin, n = 3 per group). Data are expressed as the mean ± SEM. * P < 0.05, ** P < 0.01, *** P < 0.001 (one-way analysis of variance and Tukey’s multiple comparison test for H and I; Student’s t -test for K). The data were from at least three separate and independent studies. CCK-8: Cell counting kit-8; GLUT1: glucose transporter 1; hfNCSCs: hair follicle neural crest stem cells; ns: not significant; PCNA: proliferating cell nuclear antigen; PCs: perineurial cells; sEVs: small extracellular vesicles; ZO1: zonula occludens 1.
    Anti Proliferating Cell Nuclear Antigen Pcna, supplied by Cell Signaling Technology Inc, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    anti proliferating cell nuclear antigen pcna  (Proteintech)
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    Herb pair restored abnormal epithelial proliferation in colitis mice. A and B: Western blotting analysis of protein expression of leucine-rich repeat-containing G-protein coupled receptor 5 (Lgr5) in colon tissues; C: Quantitative polymerase chain reaction analysis of mRNA expression of Lgr5, SRY-box transcription factor 9, homeodomain-only protein homeobox, achaete scute-like 2, telomerase reverse transcriptase, Mucin 2, lysozyme 1, and Chromogranin A in colon tissues; D: Representative images of immunohistochemical (IHC) of Lgr5, proliferating cell nuclear antigen, Ki67 in colon tissues; E-G: Quantitative analysis of IHC results of Lgr5, proliferating cell nuclear antigen, Ki67. For western blotting analysis: n = 3, for quantitative polymerase chain reaction analysis: n = 5-6, for IHC measurement: n = 3. a P < 0.05 vs dextran sulfate sodium group, b P < 0.01 vs dextran sulfate sodium group, c P < 0.001 vs dextran sulfate sodium group. Lgr5 : Leucine-rich repeat-containing G-protein coupled receptor 5; Sox9 : SRY-box transcription factor 9; Hopx : Homeodomain-only protein homeobox; Ascl2 : Achaete scute-like 2; Tert : Telomerase reverse transcriptase; Muc2 : Mucin 2; Lyz1 : Lysozyme 1; Chga : Chromogranin A; DSS: Dextran sulfate sodium; <t>PCNA:</t> Proliferating cell nuclear antigen.
    Anti Proliferating Cell Nuclear Antigen Pcna, supplied by Proteintech, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    anti proliferating cell nuclear antigen  (Cell Signaling Technology Inc)
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    Cell Signaling Technology Inc anti proliferating cell nuclear antigen
    Herb pair restored abnormal epithelial proliferation in colitis mice. A and B: Western blotting analysis of protein expression of leucine-rich repeat-containing G-protein coupled receptor 5 (Lgr5) in colon tissues; C: Quantitative polymerase chain reaction analysis of mRNA expression of Lgr5, SRY-box transcription factor 9, homeodomain-only protein homeobox, achaete scute-like 2, telomerase reverse transcriptase, Mucin 2, lysozyme 1, and Chromogranin A in colon tissues; D: Representative images of immunohistochemical (IHC) of Lgr5, proliferating cell nuclear antigen, Ki67 in colon tissues; E-G: Quantitative analysis of IHC results of Lgr5, proliferating cell nuclear antigen, Ki67. For western blotting analysis: n = 3, for quantitative polymerase chain reaction analysis: n = 5-6, for IHC measurement: n = 3. a P < 0.05 vs dextran sulfate sodium group, b P < 0.01 vs dextran sulfate sodium group, c P < 0.001 vs dextran sulfate sodium group. Lgr5 : Leucine-rich repeat-containing G-protein coupled receptor 5; Sox9 : SRY-box transcription factor 9; Hopx : Homeodomain-only protein homeobox; Ascl2 : Achaete scute-like 2; Tert : Telomerase reverse transcriptase; Muc2 : Mucin 2; Lyz1 : Lysozyme 1; Chga : Chromogranin A; DSS: Dextran sulfate sodium; <t>PCNA:</t> Proliferating cell nuclear antigen.
    Anti Proliferating Cell Nuclear Antigen, supplied by Cell Signaling Technology Inc, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Herb pair restored abnormal epithelial proliferation in colitis mice. A and B: Western blotting analysis of protein expression of leucine-rich repeat-containing G-protein coupled receptor 5 (Lgr5) in colon tissues; C: Quantitative polymerase chain reaction analysis of mRNA expression of Lgr5, SRY-box transcription factor 9, homeodomain-only protein homeobox, achaete scute-like 2, telomerase reverse transcriptase, Mucin 2, lysozyme 1, and Chromogranin A in colon tissues; D: Representative images of immunohistochemical (IHC) of Lgr5, proliferating cell nuclear antigen, Ki67 in colon tissues; E-G: Quantitative analysis of IHC results of Lgr5, proliferating cell nuclear antigen, Ki67. For western blotting analysis: n = 3, for quantitative polymerase chain reaction analysis: n = 5-6, for IHC measurement: n = 3. a P < 0.05 vs dextran sulfate sodium group, b P < 0.01 vs dextran sulfate sodium group, c P < 0.001 vs dextran sulfate sodium group. Lgr5 : Leucine-rich repeat-containing G-protein coupled receptor 5; Sox9 : SRY-box transcription factor 9; Hopx : Homeodomain-only protein homeobox; Ascl2 : Achaete scute-like 2; Tert : Telomerase reverse transcriptase; Muc2 : Mucin 2; Lyz1 : Lysozyme 1; Chga : Chromogranin A; DSS: Dextran sulfate sodium; <t>PCNA:</t> Proliferating cell nuclear antigen.
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    Herb pair restored abnormal epithelial proliferation in colitis mice. A and B: Western blotting analysis of protein expression of leucine-rich repeat-containing G-protein coupled receptor 5 (Lgr5) in colon tissues; C: Quantitative polymerase chain reaction analysis of mRNA expression of Lgr5, SRY-box transcription factor 9, homeodomain-only protein homeobox, achaete scute-like 2, telomerase reverse transcriptase, Mucin 2, lysozyme 1, and Chromogranin A in colon tissues; D: Representative images of immunohistochemical (IHC) of Lgr5, proliferating cell nuclear antigen, Ki67 in colon tissues; E-G: Quantitative analysis of IHC results of Lgr5, proliferating cell nuclear antigen, Ki67. For western blotting analysis: n = 3, for quantitative polymerase chain reaction analysis: n = 5-6, for IHC measurement: n = 3. a P < 0.05 vs dextran sulfate sodium group, b P < 0.01 vs dextran sulfate sodium group, c P < 0.001 vs dextran sulfate sodium group. Lgr5 : Leucine-rich repeat-containing G-protein coupled receptor 5; Sox9 : SRY-box transcription factor 9; Hopx : Homeodomain-only protein homeobox; Ascl2 : Achaete scute-like 2; Tert : Telomerase reverse transcriptase; Muc2 : Mucin 2; Lyz1 : Lysozyme 1; Chga : Chromogranin A; DSS: Dextran sulfate sodium; <t>PCNA:</t> Proliferating cell nuclear antigen.
    Mouse Anti Proliferating Cell Nuclear Antigen, supplied by Novocastra, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Image Search Results


    hfNCSC-sEVs are taken up by PCs in vitro and enhance their proliferation and migration. (A) Primary cultures of hfNCSCs were established from male Sprague–Dawley rats. (B) Immunofluorescence staining of the neural crest cell marker p75 (red) and the stem cell marker nestin (green) in hfNCSCs, with 4′,6-diamidino-2-phenylindole (DAPI) staining indicating the nuclei. (C) Western blot analysis demonstrated the presence of surface markers (cluster of differentiation [CD]9, CD81, and tumor susceptibility gene 101 protein [TSG101]) and the absence of an endoplasmic reticulum marker (calnexin) in hfNCSC-sEVs. (D) Nanoparticle tracking analysis was used to quantify the concentration and size distribution of hfNCSC-sEVs. (E) Transmission electron microscopy was used to visualize the characteristic morphology of hfNCSC-sEVs. (F) Immunofluorescence staining indicated that the third-generation PCs cultured in vitro were positive for claudin-1, zonula occludens 1 (ZO1), and glucose transporter 1 (GLUT1) but negative for S100, with DAPI staining marking the nuclei. (G) The internalization of PKH26-labeled hfNCSC-sEVs (red) by ZO1-positive PCs (green) was visualized using immunofluorescence staining, with DAPI staining to mark the nuclei. (H) The Cell Counting Kit-8 assay was used to evaluate the cell viability of PCs across concentrations of 0, 2 × 10 8 , 5 × 10 8 , and 10 × 10 8 particles/mL hfNCSC-sEVs at 3, 5, and 7 days of in vitro culture ( n = 5 per group). (I) The Transwell assay was used to quantify the number of migrating PCs at 6, 12, and 18 hours post-treatment with the aforementioned concentrations of hfNCSC-sEVs, in in vitro culture ( n = 6 per group). (J) Western blot and (K) statistical analyses revealed the relative protein expression levels of proliferating cell nuclear antigen (PCNA) and vimentin in PCs from the phosphate-buffered saline (PBS) and hfNCSC-sEVs groups on day 5 of in vitro culture (normalized to β-actin, n = 3 per group). Data are expressed as the mean ± SEM. * P < 0.05, ** P < 0.01, *** P < 0.001 (one-way analysis of variance and Tukey’s multiple comparison test for H and I; Student’s t -test for K). The data were from at least three separate and independent studies. CCK-8: Cell counting kit-8; GLUT1: glucose transporter 1; hfNCSCs: hair follicle neural crest stem cells; ns: not significant; PCNA: proliferating cell nuclear antigen; PCs: perineurial cells; sEVs: small extracellular vesicles; ZO1: zonula occludens 1.

    Journal: Neural Regeneration Research

    Article Title: Small extracellular vesicles derived from hair follicle neural crest stem cells enhance perineurial cell proliferation and migration via the TGF-β/SMAD/HAS2 pathway

    doi: 10.4103/NRR.NRR-D-25-00127

    Figure Lengend Snippet: hfNCSC-sEVs are taken up by PCs in vitro and enhance their proliferation and migration. (A) Primary cultures of hfNCSCs were established from male Sprague–Dawley rats. (B) Immunofluorescence staining of the neural crest cell marker p75 (red) and the stem cell marker nestin (green) in hfNCSCs, with 4′,6-diamidino-2-phenylindole (DAPI) staining indicating the nuclei. (C) Western blot analysis demonstrated the presence of surface markers (cluster of differentiation [CD]9, CD81, and tumor susceptibility gene 101 protein [TSG101]) and the absence of an endoplasmic reticulum marker (calnexin) in hfNCSC-sEVs. (D) Nanoparticle tracking analysis was used to quantify the concentration and size distribution of hfNCSC-sEVs. (E) Transmission electron microscopy was used to visualize the characteristic morphology of hfNCSC-sEVs. (F) Immunofluorescence staining indicated that the third-generation PCs cultured in vitro were positive for claudin-1, zonula occludens 1 (ZO1), and glucose transporter 1 (GLUT1) but negative for S100, with DAPI staining marking the nuclei. (G) The internalization of PKH26-labeled hfNCSC-sEVs (red) by ZO1-positive PCs (green) was visualized using immunofluorescence staining, with DAPI staining to mark the nuclei. (H) The Cell Counting Kit-8 assay was used to evaluate the cell viability of PCs across concentrations of 0, 2 × 10 8 , 5 × 10 8 , and 10 × 10 8 particles/mL hfNCSC-sEVs at 3, 5, and 7 days of in vitro culture ( n = 5 per group). (I) The Transwell assay was used to quantify the number of migrating PCs at 6, 12, and 18 hours post-treatment with the aforementioned concentrations of hfNCSC-sEVs, in in vitro culture ( n = 6 per group). (J) Western blot and (K) statistical analyses revealed the relative protein expression levels of proliferating cell nuclear antigen (PCNA) and vimentin in PCs from the phosphate-buffered saline (PBS) and hfNCSC-sEVs groups on day 5 of in vitro culture (normalized to β-actin, n = 3 per group). Data are expressed as the mean ± SEM. * P < 0.05, ** P < 0.01, *** P < 0.001 (one-way analysis of variance and Tukey’s multiple comparison test for H and I; Student’s t -test for K). The data were from at least three separate and independent studies. CCK-8: Cell counting kit-8; GLUT1: glucose transporter 1; hfNCSCs: hair follicle neural crest stem cells; ns: not significant; PCNA: proliferating cell nuclear antigen; PCs: perineurial cells; sEVs: small extracellular vesicles; ZO1: zonula occludens 1.

    Article Snippet: The following primary antibodies were used: rabbit monoclonal anti-proliferating cell nuclear antigen (PCNA) antibody (1:2000, Cat# 60097-1-Ig, Proteintech, Wuhan, China), rabbit monoclonal anti-vimentin antibody (1:1000, Cat# 5741, Cell Signaling Technology, Danvers, MA, USA), rabbit polyclonal anti-claudin-1 antibody (1:1000, Cat# 13050-1-AP, Proteintech), rabbit polyclonal anti-zonula occludens 1 (ZO1) antibody (1:10 000, Cat# 21773-1-AP, Proteintech), rabbit polyclonal anti-mothers against decapentaplegic homolog (SMAD)7 antibody (1:500, Cat# WL02975, Wanleibio, Shenyang, China), rabbit polyclonal anti-SMAD2/3 antibody (1:1000, Cat# WL01520, Wanleibio), rabbit polyclonal anti-p-SMAD2/3 antibody (1:500, Cat# WL02305, Wanleibio), rabbit recombinant anti-hyaluronan synthase 2 (HAS2) antibody (1:500, Cat# DF13702, Affinity, Cincinnati, OH, USA), rabbit monoclonal anti-β-actin antibody (1:1000, Cat# 4970, Cell Signaling Technology), and mouse monoclonal anti-β-tubulin antibody (1:5000, Cat# M20005 , Abmart, Shanghai, China).

    Techniques: In Vitro, Migration, Immunofluorescence, Staining, Marker, Western Blot, Concentration Assay, Transmission Assay, Electron Microscopy, Cell Culture, Labeling, Cell Counting, Transwell Assay, Expressing, Saline, Comparison, CCK-8 Assay

    miR-21-5p in hfNCSC-sEVs augments cell proliferation and migration by enhancing HAS2 expression in PCs. (A, B) Western blot (A) and statistical analyses (B) revealed the relative protein expression levels of HAS2, proliferating cell nuclear antigen (PCNA), and vimentin in PCs across the –/–, –/si- Has2 , hfNCSC-sEVs/–, and hfNCSC-sEVs/si- Has2 groups on day 5 of in vitro culture (normalized to β-actin, n = 3 per group). (C, D) The wound healing assay (C) and statistical analysis (D) demonstrated the migration rates of PCs in the aforementioned groups ( n = 3 per group). (E) The Cell Counting Kit-8 assay was used to assess cell viability in PCs across the same groups on day 5 of in vitro culture ( n = 5 per group). (F, G) Western blot (F) and statistical analyses (G) indicated the relative protein expression levels of HAS2, PCNA, and vimentin in PCs treated with phosphate-buffered saline (PBS), hfNCSC-sEVs, or hfNCSC-sEVs + miR-21-5p inhibitor on day 5 of in vitro culture (normalized to β-actin, n = 3 per group). (H–J) Immunofluorescence staining visualized the expression of HAS2 (red) and 5-ethynyl-2′-deoxyuridine (EdU; green) in PCs (H), and statistical analysis revealed the integrated optical density (IOD) of zonula occludens 1 (ZO1; I) and the cell proliferation rates (J) in the PBS, hfNCSC-sEVs, and hfNCSC-sEVs + miR-21-5p inhibitor groups on day 5 of in vitro culture ( n = 3 per group). (K, L) Western blot (K) and statistical analyses (L) showed the relative protein expression levels of HAS2, PCNA, and vimentin in regenerated tissue from the PBS, hfNCSC-sEVs, and hfNCSC-sEVs + miR-21-5p inhibitor groups on day 5 post-operation (normalized to β-tubulin, n = 3 per group). Data are expressed as the mean ± SEM. ** P < 0.01, *** P < 0.001 (one-way analysis of variance and Tukey’s multiple comparison test for B, D, E, G, I, J, and L). The data were from at least three separate and independent studies. CCK-8: Cell counting kit-8; EdU: 5-ethynyl-2′-deoxyuridine; HAS2: hyaluronan synthase 2; hfNCSCs: hair follicle neural crest stem cells; IOD: integrated optical density; PCNA: proliferating cell nuclear antigen; PCs: perineurial cells; sEVs: small extracellular vesicles; ZO1: zonula occludens 1.

    Journal: Neural Regeneration Research

    Article Title: Small extracellular vesicles derived from hair follicle neural crest stem cells enhance perineurial cell proliferation and migration via the TGF-β/SMAD/HAS2 pathway

    doi: 10.4103/NRR.NRR-D-25-00127

    Figure Lengend Snippet: miR-21-5p in hfNCSC-sEVs augments cell proliferation and migration by enhancing HAS2 expression in PCs. (A, B) Western blot (A) and statistical analyses (B) revealed the relative protein expression levels of HAS2, proliferating cell nuclear antigen (PCNA), and vimentin in PCs across the –/–, –/si- Has2 , hfNCSC-sEVs/–, and hfNCSC-sEVs/si- Has2 groups on day 5 of in vitro culture (normalized to β-actin, n = 3 per group). (C, D) The wound healing assay (C) and statistical analysis (D) demonstrated the migration rates of PCs in the aforementioned groups ( n = 3 per group). (E) The Cell Counting Kit-8 assay was used to assess cell viability in PCs across the same groups on day 5 of in vitro culture ( n = 5 per group). (F, G) Western blot (F) and statistical analyses (G) indicated the relative protein expression levels of HAS2, PCNA, and vimentin in PCs treated with phosphate-buffered saline (PBS), hfNCSC-sEVs, or hfNCSC-sEVs + miR-21-5p inhibitor on day 5 of in vitro culture (normalized to β-actin, n = 3 per group). (H–J) Immunofluorescence staining visualized the expression of HAS2 (red) and 5-ethynyl-2′-deoxyuridine (EdU; green) in PCs (H), and statistical analysis revealed the integrated optical density (IOD) of zonula occludens 1 (ZO1; I) and the cell proliferation rates (J) in the PBS, hfNCSC-sEVs, and hfNCSC-sEVs + miR-21-5p inhibitor groups on day 5 of in vitro culture ( n = 3 per group). (K, L) Western blot (K) and statistical analyses (L) showed the relative protein expression levels of HAS2, PCNA, and vimentin in regenerated tissue from the PBS, hfNCSC-sEVs, and hfNCSC-sEVs + miR-21-5p inhibitor groups on day 5 post-operation (normalized to β-tubulin, n = 3 per group). Data are expressed as the mean ± SEM. ** P < 0.01, *** P < 0.001 (one-way analysis of variance and Tukey’s multiple comparison test for B, D, E, G, I, J, and L). The data were from at least three separate and independent studies. CCK-8: Cell counting kit-8; EdU: 5-ethynyl-2′-deoxyuridine; HAS2: hyaluronan synthase 2; hfNCSCs: hair follicle neural crest stem cells; IOD: integrated optical density; PCNA: proliferating cell nuclear antigen; PCs: perineurial cells; sEVs: small extracellular vesicles; ZO1: zonula occludens 1.

    Article Snippet: The following primary antibodies were used: rabbit monoclonal anti-proliferating cell nuclear antigen (PCNA) antibody (1:2000, Cat# 60097-1-Ig, Proteintech, Wuhan, China), rabbit monoclonal anti-vimentin antibody (1:1000, Cat# 5741, Cell Signaling Technology, Danvers, MA, USA), rabbit polyclonal anti-claudin-1 antibody (1:1000, Cat# 13050-1-AP, Proteintech), rabbit polyclonal anti-zonula occludens 1 (ZO1) antibody (1:10 000, Cat# 21773-1-AP, Proteintech), rabbit polyclonal anti-mothers against decapentaplegic homolog (SMAD)7 antibody (1:500, Cat# WL02975, Wanleibio, Shenyang, China), rabbit polyclonal anti-SMAD2/3 antibody (1:1000, Cat# WL01520, Wanleibio), rabbit polyclonal anti-p-SMAD2/3 antibody (1:500, Cat# WL02305, Wanleibio), rabbit recombinant anti-hyaluronan synthase 2 (HAS2) antibody (1:500, Cat# DF13702, Affinity, Cincinnati, OH, USA), rabbit monoclonal anti-β-actin antibody (1:1000, Cat# 4970, Cell Signaling Technology), and mouse monoclonal anti-β-tubulin antibody (1:5000, Cat# M20005 , Abmart, Shanghai, China).

    Techniques: Migration, Expressing, Western Blot, In Vitro, Wound Healing Assay, Cell Counting, Saline, Immunofluorescence, Staining, Comparison, CCK-8 Assay

    Herb pair restored abnormal epithelial proliferation in colitis mice. A and B: Western blotting analysis of protein expression of leucine-rich repeat-containing G-protein coupled receptor 5 (Lgr5) in colon tissues; C: Quantitative polymerase chain reaction analysis of mRNA expression of Lgr5, SRY-box transcription factor 9, homeodomain-only protein homeobox, achaete scute-like 2, telomerase reverse transcriptase, Mucin 2, lysozyme 1, and Chromogranin A in colon tissues; D: Representative images of immunohistochemical (IHC) of Lgr5, proliferating cell nuclear antigen, Ki67 in colon tissues; E-G: Quantitative analysis of IHC results of Lgr5, proliferating cell nuclear antigen, Ki67. For western blotting analysis: n = 3, for quantitative polymerase chain reaction analysis: n = 5-6, for IHC measurement: n = 3. a P < 0.05 vs dextran sulfate sodium group, b P < 0.01 vs dextran sulfate sodium group, c P < 0.001 vs dextran sulfate sodium group. Lgr5 : Leucine-rich repeat-containing G-protein coupled receptor 5; Sox9 : SRY-box transcription factor 9; Hopx : Homeodomain-only protein homeobox; Ascl2 : Achaete scute-like 2; Tert : Telomerase reverse transcriptase; Muc2 : Mucin 2; Lyz1 : Lysozyme 1; Chga : Chromogranin A; DSS: Dextran sulfate sodium; PCNA: Proliferating cell nuclear antigen.

    Journal: World Journal of Gastroenterology

    Article Title: Danggui-Baishao herb pair protects against dextran sulfate sodium-induced colitis by modulating the Wnt/β-catenin pathway

    doi: 10.3748/wjg.v32.i5.113024

    Figure Lengend Snippet: Herb pair restored abnormal epithelial proliferation in colitis mice. A and B: Western blotting analysis of protein expression of leucine-rich repeat-containing G-protein coupled receptor 5 (Lgr5) in colon tissues; C: Quantitative polymerase chain reaction analysis of mRNA expression of Lgr5, SRY-box transcription factor 9, homeodomain-only protein homeobox, achaete scute-like 2, telomerase reverse transcriptase, Mucin 2, lysozyme 1, and Chromogranin A in colon tissues; D: Representative images of immunohistochemical (IHC) of Lgr5, proliferating cell nuclear antigen, Ki67 in colon tissues; E-G: Quantitative analysis of IHC results of Lgr5, proliferating cell nuclear antigen, Ki67. For western blotting analysis: n = 3, for quantitative polymerase chain reaction analysis: n = 5-6, for IHC measurement: n = 3. a P < 0.05 vs dextran sulfate sodium group, b P < 0.01 vs dextran sulfate sodium group, c P < 0.001 vs dextran sulfate sodium group. Lgr5 : Leucine-rich repeat-containing G-protein coupled receptor 5; Sox9 : SRY-box transcription factor 9; Hopx : Homeodomain-only protein homeobox; Ascl2 : Achaete scute-like 2; Tert : Telomerase reverse transcriptase; Muc2 : Mucin 2; Lyz1 : Lysozyme 1; Chga : Chromogranin A; DSS: Dextran sulfate sodium; PCNA: Proliferating cell nuclear antigen.

    Article Snippet: They were incubated with anti-CD11b (1:500, ab133357, ABCAM, United Kingdom), anti-F4/80 (1:500, ab111101, ABCAM, United Kingdom), anti-Lgr5 (1:500, ab75850, ABCAM, United Kingdom), anti-proliferating cell nuclear antigen (PCNA) (1:500, 60097-1-Ig, Proteintech, IL, United States), anti-Ki67 (1:100, MA514520 , Thermo Fisher Scientific, MA, United States), and anti-β-catenin (1:500, ab32572, ABCAM, United Kingdom) overnight at 4 °C.

    Techniques: Western Blot, Expressing, Real-time Polymerase Chain Reaction, Reverse Transcription, Immunohistochemical staining