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Bio-Rad rat cd68
Rat Cd68, supplied by Bio-Rad, used in various techniques. Bioz Stars score: 96/100, based on 3261 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/anti-cd68/Rat+anti+Mouse+CD68/pmc13051718-411-41-44
Average 96 stars, based on 3261 article reviews

rat cd68 - by Bioz Stars, 2026-09

96/100 stars

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Article Title: Neonatal immune challenge poses a sex-specific risk for epigenetic microglial reprogramming and behavioral impairment.
Article Snippet: The following primary antibodies were added overnight at 4 °C to label: Iba‐1 for microglia (1:500, WAKO, Japan), DCX for immature neurons (1:250, Santa Cruz Biotechnology, USA), Ki67 (1:100, Invitrogen, USA) to detect proliferating cells, CD68 (1:100, BioRad, UK) to detect macrophages/activated microglia andcleavedcaspase-3 (1:100,Cell SignalingTechnology,USA), which is involved in the activation cascade of caspases responsible for apoptosis execution.

Article Title: Long-term retention of gold nanoparticles in the liver is not affected by their physicochemical characteristics.
Article Snippet: For subcellular localisation, the following antibodies were used: anti-CD68 (1 : 200, Serotec, Kidlington, UK) was used to label lysosomes and endosome membranes of macrophages, Lyve-1 (1 : 300, Biotechne) was used to label lysosomal endothelial cells and Hoechst-33258 (1 μg mL−1 in PBS, Thermo Fisher Scientific) to label nuclei.

Article Title: Mycobacterium tuberculosis resides in lysosome-poor monocyte-derived lung cells during chronic infection
Article Snippet: Primary antibodies used in this study were: antiTFEB (Bethyl Laboratories, A303-673A), anti-LAMP1 (Invitrogen, 14-1071-82), anti-CTSB (Proteintech, 12216-1-AP), anti-ATP6V0D2 (Sigma, SAB2103221), anti-F4/80 (eBioscience, 14-4801-81), anti-CD68 (Bio-Rad, MCA1957T) and anti-TFE3 (Sigma, HPA023881).

Article Title: Perineural treatment with anti-TNF-α antibody ameliorates persistent allodynia and edema in novel mouse models with complex regional pain syndrome.
Article Snippet: After the slides were dried, tissue sections were blocked with 3% (w/v) bovine serum albumin (Sigma-Aldrich, USA) in phosphate buffer solution for 1 h and incubated with primary polyclonal or monoclonal anti-TNF-a (1:100, Novus Biologicals, USA), anti-CD68 (1:100, Bio-Rad, USA), anti-CD206 (1:100, Santa Cruz Biotechnology, USA), anti-Iba-1 (1:100, Fujifilm Wako Pure Chemicals, Japan), or anti-S100b (1:1000, Sigma-Aldrich) antibodies for 30 min and were then incubated with a secondary antibody conjugated with Alexa Fluor 488 or 594 (1:200) (Thermo Fisher Scientific).

Article Title: P-tau217 correlates with neurodegeneration in Alzheimer's disease, and targeting p-tau217 with immunotherapy ameliorates murine tauopathy.
Article Snippet: Article

Article Title: Mmp17- deficient mice exhibit heightened goblet cell effector expression in the colon and increased resistance to chronic Trichuris muris infection
Article Snippet: The following anti-mouse primary antibodies were used: anti-RELM-beta (1:500, rabbit polyclonal antibody, Peprotech, 500-p215), anti-MUC2 (1:200, Santa Cruz Biotechnology, sc-15334), anti-CLCA1 (1:200, rabbit monoclonal antibody, Abcam, ab180851), anti-CD68 (1:200, BioRad, MCA1957T), anti-Ki67 (1:200, rabbit monoclonal antibody, Invitrogen, MA5-14520) anti-SMAD4 (for frozen sections, dilution 1:400, Cell signaling, 46535), anti-βGalactosidase (for frozen sections, dilution 1:100, Rabbit polyclonal antibody, Abcam, ab4761), anti-PDGFR-alpha (15 μg/mL, goat polyclonal antibody, R&D systems, AF1062).

Article Title: APOE4-promoted gliosis and degeneration in tauopathy are ameliorated by pharmacological inhibition of HMGB1 release.
Article Snippet: After M.O.M. block, sections were incubated in primary antibody at 4 C overnight after being diluted to optimal concentrations: anti-CD68 1:100 (Bio-Rad); anti-GFAP 1:800 (Millipore Sigma); anti-HMGB1 1:100 (Abcam); anti-Iba1 (rbt) 1:200 (Wako); anti-Iba1 (goat) 1:100 (Abcam); anti-MAP2 1:200 (Abcam); anti-MBP 1:500 (Abcam); anti-S100b 1:200 (Abcam); anti-SIRT1 1:100 (Abcam).

Article Title: An eNAMPT-neutralizing mAb reduces post-infarct myocardial fibrosis and left ventricular dysfunction.
Article Snippet: These sections were then incubated overnight at 4 ◦C with primary antibodies: anti-CD68 (Bio-Rad, MCA341R) for macrophage detection, and anti-CD8 (Invitrogen, MA1–70003) for lymphocyte detection, all at a 1:100 dilution.

Incubation:

Article Title: P-tau217 correlates with neurodegeneration in Alzheimer's disease, and targeting p-tau217 with immunotherapy ameliorates murine tauopathy.
Article Snippet: Article

Staining:

Article Title: P-tau217 correlates with neurodegeneration in Alzheimer's disease, and targeting p-tau217 with immunotherapy ameliorates murine tauopathy.
Article Snippet: Article

Image Search Results

The cellular uptake and anti-inflammatory effect of HPSL in vitro . (A) Flow cytometry analysis and (B) semi-quantitative analysis of cellular uptake of PSL and blank NPs by M1 macrophages. n = 3. (C) Representative Giemsa staining images of LPS and high glucose-stimulated RAW 264.7 cells with different formulations, scale bar = 50 μm. (D) Immunofluorescence staining and semi-quantitative analysis of CD68 (red) and iNOS (green) in RAW 264.7 cells from different treatment groups, scale bar = 50 μm. n = 6. (E) Immunofluorescence staining and semi-quantitative analysis of CD68 (green) and Arg-1 (red) in RAW 264.7 cells from different treatment groups, scale bar = 50 μm. n = 6. Western blotting analysis and corresponding semi-quantitative analysis of (F) STING/ p -STING, (G) TBK1/ p -TBK1, (H) IRF3/ p -IRF3, (I) NF-κB, (J) TNF-α, and (K) IL-6, Lane 1: Normal group, Lane 2: Model group, Lane 3: PSL group, Lane 4: Free H151 group, Lane 5: HPSL group. n = 3. All data are shown as mean ± SEM.

Journal: Bioactive Materials

Article Title: Glucose/ROS-responsive and redox-gated adaptive hydrogel dressing for accelerating diabetic wound repair via synergistic cGAS/STING pathway inhibition and oxidative stress alleviation

doi: 10.1016/j.bioactmat.2026.03.025

Figure Lengend Snippet: The cellular uptake and anti-inflammatory effect of HPSL in vitro . (A) Flow cytometry analysis and (B) semi-quantitative analysis of cellular uptake of PSL and blank NPs by M1 macrophages. n = 3. (C) Representative Giemsa staining images of LPS and high glucose-stimulated RAW 264.7 cells with different formulations, scale bar = 50 μm. (D) Immunofluorescence staining and semi-quantitative analysis of CD68 (red) and iNOS (green) in RAW 264.7 cells from different treatment groups, scale bar = 50 μm. n = 6. (E) Immunofluorescence staining and semi-quantitative analysis of CD68 (green) and Arg-1 (red) in RAW 264.7 cells from different treatment groups, scale bar = 50 μm. n = 6. Western blotting analysis and corresponding semi-quantitative analysis of (F) STING/ p -STING, (G) TBK1/ p -TBK1, (H) IRF3/ p -IRF3, (I) NF-κB, (J) TNF-α, and (K) IL-6, Lane 1: Normal group, Lane 2: Model group, Lane 3: PSL group, Lane 4: Free H151 group, Lane 5: HPSL group. n = 3. All data are shown as mean ± SEM.

Article Snippet: CD68-specific antibodies were purchased from Proteintech Group, Inc. (Wuhan, China).

Techniques: In Vitro, Flow Cytometry, Staining, Immunofluorescence, Western Blot

The study design is presented in six sequential steps. (1) Patient enrollment: a total of 1228 patients with gastric cancer who underwent curative gastrectomy between 2016 and 2020 were screened according to predefined inclusion and exclusion criteria. (2) PSM-based cohort construction: to reduce baseline imbalance between MLM and non-MLM groups, 1:2 propensity score matching (PSM) was performed, resulting in a matched cohort of 233 patients (86 MLM and 147 non-MLM cases). (3) Tissue staining and digitalization: formalin-fixed paraffin-embedded sections were stained with CD68 and CD163 antibodies, followed by whole-slide scanning. (4) QuPath-based digital pathology: tissue segmentation and annotation were performed in QuPath, and artificial neural network (ANN) learning was applied to extract macrophage morphological features (area and perimeter) in different histological regions. (5) Model development: the matched cohort was randomly divided into a 70% training set and a 30% validation set, and a predictive nomogram was constructed based on macrophage morphological parameters. (6) Model evaluation: the performance of the nomogram was assessed using receiver operating characteristic (ROC) analysis, calibration curves, and decision curve analysis (DCA). MLM, metachronous liver metastasis; IHC, immunohistochemistry.

Journal: Frontiers in Immunology

Article Title: Macrophage morphology in the tumor microenvironment predicts metachronous liver metastasis in gastric cancer: establishment and validation of a predictive model

doi: 10.3389/fimmu.2026.1770436

Figure Lengend Snippet: The study design is presented in six sequential steps. (1) Patient enrollment: a total of 1228 patients with gastric cancer who underwent curative gastrectomy between 2016 and 2020 were screened according to predefined inclusion and exclusion criteria. (2) PSM-based cohort construction: to reduce baseline imbalance between MLM and non-MLM groups, 1:2 propensity score matching (PSM) was performed, resulting in a matched cohort of 233 patients (86 MLM and 147 non-MLM cases). (3) Tissue staining and digitalization: formalin-fixed paraffin-embedded sections were stained with CD68 and CD163 antibodies, followed by whole-slide scanning. (4) QuPath-based digital pathology: tissue segmentation and annotation were performed in QuPath, and artificial neural network (ANN) learning was applied to extract macrophage morphological features (area and perimeter) in different histological regions. (5) Model development: the matched cohort was randomly divided into a 70% training set and a 30% validation set, and a predictive nomogram was constructed based on macrophage morphological parameters. (6) Model evaluation: the performance of the nomogram was assessed using receiver operating characteristic (ROC) analysis, calibration curves, and decision curve analysis (DCA). MLM, metachronous liver metastasis; IHC, immunohistochemistry.

Article Snippet: Subsequently, the slides were incubated overnight at 4 °C with primary antibodies targeting human CD68 (1:500, Servicebio, China) and CD163 (1:500, Servicebio, China).

Techniques: Staining, Formalin-fixed Paraffin-Embedded, Biomarker Discovery, Construct, Immunohistochemistry

MMP12 silencing inhibited M2 macrophage polarization. THP-1 cells were differentiated into M0 macrophages (THP-1 M0) by treatment with 100 ng/mL PMA for 24 h. (A) Flow cytometry was used to quantify the number of CD68-positive cells. Subsequently, KYSE150 cells were co-cultured with the THP-1-derived macrophages using a Transwell system. (B) The mRNA levels of IL-10, Arg-1, and TGF-β were detected by qRT-PCR. (C) Flow cytometry was used to quantify the number of CD206-positive macrophages. (D) Cell migration analysis by transwell migration assay. ∗ P < 0.05, ∗∗ P < 0.01 and ∗∗∗ P < 0.001.

Journal: Regenerative Therapy

Article Title: WTAP stabilizes MMP12 expression to promote the malignant phenotypes of esophageal cancer cells

doi: 10.1016/j.reth.2026.101101

Figure Lengend Snippet: MMP12 silencing inhibited M2 macrophage polarization. THP-1 cells were differentiated into M0 macrophages (THP-1 M0) by treatment with 100 ng/mL PMA for 24 h. (A) Flow cytometry was used to quantify the number of CD68-positive cells. Subsequently, KYSE150 cells were co-cultured with the THP-1-derived macrophages using a Transwell system. (B) The mRNA levels of IL-10, Arg-1, and TGF-β were detected by qRT-PCR. (C) Flow cytometry was used to quantify the number of CD206-positive macrophages. (D) Cell migration analysis by transwell migration assay. ∗ P < 0.05, ∗∗ P < 0.01 and ∗∗∗ P < 0.001.

Article Snippet: For immunophenotyping, single-cell suspensions of both THP-1 and THP-1-M0 cells were labeled with an anti-CD68 antibody (E-AB-F1299L, Elabscience, Wuhan, China).

Techniques: Flow Cytometry, Cell Culture, Derivative Assay, Quantitative RT-PCR, Migration, Transwell Migration Assay

Involvement of profibrotic macrophages in vascular regeneration after graft implantation in vivo . (a) UMAP of macrophages in native aortas and regenerated aortas across different time points after graft implantation in vivo . (b) Dot plots of profibrotic macrophage marker genes (Ctsd, Spp1, Gpnmb, Lgals3, and Fabp5) expressed in different subgroups of macrophages. (c) Percentage of cluster 2 (C2) macrophages in native aortas and regenerated aortas across different time points after graft implantation in vivo . (d) UMAP of expression of Ctsd, Spp1, Gpnmb, Lgals3, and Fabp5 in macrophages in native aortas and regenerated aortas across different time points after graft implantation in vivo . (e) Immunofluorescence staining of CD68 and CTSD in regenerated aortas across different time points after graft implantation in vivo . L indicates lumens. Arrow heads indicate double positively stained cells. (f) WB results of levels of CTSD and SPP1 in native and regenerated aortas across different time points after graft implantation in vivo and quantification of the levels of CTSD and SPP1. ∗∗ indicates p < 0.01, Tukey's post-hoc test. For each time point and each group, five different samples from five different animals were analyzed (n = 5).

Journal: Bioactive Materials

Article Title: Apolipoprotein E knockout attenuates vascular graft fibrosis by reducing profibrotic macrophage formation through low-density lipoprotein receptor related protein 1

doi: 10.1016/j.bioactmat.2026.01.029

Figure Lengend Snippet: Involvement of profibrotic macrophages in vascular regeneration after graft implantation in vivo . (a) UMAP of macrophages in native aortas and regenerated aortas across different time points after graft implantation in vivo . (b) Dot plots of profibrotic macrophage marker genes (Ctsd, Spp1, Gpnmb, Lgals3, and Fabp5) expressed in different subgroups of macrophages. (c) Percentage of cluster 2 (C2) macrophages in native aortas and regenerated aortas across different time points after graft implantation in vivo . (d) UMAP of expression of Ctsd, Spp1, Gpnmb, Lgals3, and Fabp5 in macrophages in native aortas and regenerated aortas across different time points after graft implantation in vivo . (e) Immunofluorescence staining of CD68 and CTSD in regenerated aortas across different time points after graft implantation in vivo . L indicates lumens. Arrow heads indicate double positively stained cells. (f) WB results of levels of CTSD and SPP1 in native and regenerated aortas across different time points after graft implantation in vivo and quantification of the levels of CTSD and SPP1. ∗∗ indicates p < 0.01, Tukey's post-hoc test. For each time point and each group, five different samples from five different animals were analyzed (n = 5).

Article Snippet: The following primary antibodies were used in this study: APOE (Invitrogen, PA5-78803, 1:200 dilution), COL I (abcam, ab270993, 1:200 dilution), COL III (abcam, ab6310, 1:200 dilution), LUM (abcam, ab252925, 1:200 dilution), elastin (abcam, ab307150, ab307150, 1:200 dilution), eNOS (abcam, ab5589, 1:200 dilution), αSMA (abcam, ab7817, 1:200 dilution), Fibronectin (FN, abcam, ab268020, 1:200 dilution), CTSD (CST, 74089S, 1:200 dilution), CD68 (BioRad, MCA341GA, 1:100 dilution), LRP1 (Invitrogen, PA5-101013, 1:200 dilution), Ki67 (Servicebio, GB111141 , 1:200 dilution), and IGF1 (Invitrogen, MA5-18035, 1:200 dilution).

Techniques: In Vivo, Marker, Expressing, Immunofluorescence, Staining

APOE KO reducing profibrotic macrophage formation during vascular regeneration. (a) UMAP of macrophages in native aortas from WT and Apoe −/− rats, heatmap of C2 scores in the UMAP of macrophages in the native aortas, and percentage of C2 cells in macrophages in the native aortas. UMAP of macrophages in regenerated aortas after graft implantation in WT and Apoe −/− rats, heatmap of C2 scores in the UMAP of macrophages in the regenerated aortas, and percentage of C2 cells in macrophages in the regenerated aortas on Day 30 (b) and Day 90 (c). (d) Immunofluorescence staining of CD68 and CTSD in regenerated aortas 30 and 90 days after graft implantation in WT and Apoe−/− rats. (e) Quantification of CD68 and CTSD double positive cells in regenerated aortas on Day 30 and Day 90. ∗∗ indicates p < 0.01, Tukey's post-hoc test. For each time point and each group, five different images from five different samples were analyzed (n = 5). (f) WB results of APOE, CTSD and SPP1 levels in regenerated aortas after graft implantation in WT and Apoe −/− rats for 30 and 90 days. (g) Quantification of levels of APOE, CTSD and SPP1 in regenerated aortas on Day 30 and Day 90. ∗∗ indicates p < 0.01, Tukey's post-hoc test. For each time point and each group, five different samples from five different animals were analyzed (n = 5). (h) WB results of APOE, CTSD and SPP1 levels in WT and APOE KO macrophages after their culture on PCL scaffolds for 48 h. (i) Quantification of levels of APOE, CTSD and SPP1 in WT and APOE KO macrophages after their culture on PCL scaffolds for 48 h ∗ indicates p < 0.05, ∗∗ indicates p < 0.01, unpaired t -test. For each time point and each group, three different samples were analyzed (n = 3). (j) Immunofluorescence staining of APOE and CD68, CTSD and CD68, SPP1 and CD68, respectively, in WT and APOE KO macrophages after their culture on PCL scaffolds for 48 h.

Journal: Bioactive Materials

Article Title: Apolipoprotein E knockout attenuates vascular graft fibrosis by reducing profibrotic macrophage formation through low-density lipoprotein receptor related protein 1

doi: 10.1016/j.bioactmat.2026.01.029

Figure Lengend Snippet: APOE KO reducing profibrotic macrophage formation during vascular regeneration. (a) UMAP of macrophages in native aortas from WT and Apoe −/− rats, heatmap of C2 scores in the UMAP of macrophages in the native aortas, and percentage of C2 cells in macrophages in the native aortas. UMAP of macrophages in regenerated aortas after graft implantation in WT and Apoe −/− rats, heatmap of C2 scores in the UMAP of macrophages in the regenerated aortas, and percentage of C2 cells in macrophages in the regenerated aortas on Day 30 (b) and Day 90 (c). (d) Immunofluorescence staining of CD68 and CTSD in regenerated aortas 30 and 90 days after graft implantation in WT and Apoe−/− rats. (e) Quantification of CD68 and CTSD double positive cells in regenerated aortas on Day 30 and Day 90. ∗∗ indicates p < 0.01, Tukey's post-hoc test. For each time point and each group, five different images from five different samples were analyzed (n = 5). (f) WB results of APOE, CTSD and SPP1 levels in regenerated aortas after graft implantation in WT and Apoe −/− rats for 30 and 90 days. (g) Quantification of levels of APOE, CTSD and SPP1 in regenerated aortas on Day 30 and Day 90. ∗∗ indicates p < 0.01, Tukey's post-hoc test. For each time point and each group, five different samples from five different animals were analyzed (n = 5). (h) WB results of APOE, CTSD and SPP1 levels in WT and APOE KO macrophages after their culture on PCL scaffolds for 48 h. (i) Quantification of levels of APOE, CTSD and SPP1 in WT and APOE KO macrophages after their culture on PCL scaffolds for 48 h ∗ indicates p < 0.05, ∗∗ indicates p < 0.01, unpaired t -test. For each time point and each group, three different samples were analyzed (n = 3). (j) Immunofluorescence staining of APOE and CD68, CTSD and CD68, SPP1 and CD68, respectively, in WT and APOE KO macrophages after their culture on PCL scaffolds for 48 h.

Techniques: Immunofluorescence, Staining

APOE/LRP1 interaction promoting profibrotic macrophage formation during vascular regeneration after graft implantation in vivo . (a) Immunoprecipitation (IP) following mass spectrometry (MS) to screen potential receptors of APOE on surfaces of macrophages. (b) Co-immunoprecipitation (Co-IP) to confirm interaction between APOE and LRP1. (c) Immunofluorescence staining of CD68 and LRP1 in regenerated aortas across different time points. (d) Immunofluorescence staining of APOE and LRP1 in WT macrophages 48 h after their culture on PCL scaffolds. (e) WB results of LRP1, APOE, CTSD and SPP1 levels in WT macrophages cultured on tissue culture plates (negative control, NC) or PCL scaffolds (PCL) for 48 h prior to treatment with shRNA ADV-shRNA(NC) or ADV-shRNA(Lrp1) for 24 h. Quantification of levels of LRP1 (f), APOE (g), CTSD (h) and SPP1 (i) in WT macrophages cultured on tissue culture plates or PCL scaffolds treated with shRNA ADV-shRNA(NC) or ADV-shRNA(Lrp1). ∗ indicates p < 0.05, ∗∗ indicates p < 0.01, N.S. indicates non-significant. Tukey's post-hoc test. For each group, three different samples were analyzed (n = 3). (j) Flow cytometry analysis of CTSD positive cells in WT macrophages cultured on tissue culture plates (negative control, NC) or PCL scaffolds (PCL) for 48 h prior to treatment with ADV-shRNA(NC) or ADV-shRNA(Lrp1) for 24 h and quantification of percentage of CTSD positive cells in WT macrophages in each group. ∗ indicates p < 0.05, Tukey's post-hoc test. For each group, three independent experiments were repeated, and results were analyzed (n = 3).

Journal: Bioactive Materials

Article Title: Apolipoprotein E knockout attenuates vascular graft fibrosis by reducing profibrotic macrophage formation through low-density lipoprotein receptor related protein 1

doi: 10.1016/j.bioactmat.2026.01.029

Figure Lengend Snippet: APOE/LRP1 interaction promoting profibrotic macrophage formation during vascular regeneration after graft implantation in vivo . (a) Immunoprecipitation (IP) following mass spectrometry (MS) to screen potential receptors of APOE on surfaces of macrophages. (b) Co-immunoprecipitation (Co-IP) to confirm interaction between APOE and LRP1. (c) Immunofluorescence staining of CD68 and LRP1 in regenerated aortas across different time points. (d) Immunofluorescence staining of APOE and LRP1 in WT macrophages 48 h after their culture on PCL scaffolds. (e) WB results of LRP1, APOE, CTSD and SPP1 levels in WT macrophages cultured on tissue culture plates (negative control, NC) or PCL scaffolds (PCL) for 48 h prior to treatment with shRNA ADV-shRNA(NC) or ADV-shRNA(Lrp1) for 24 h. Quantification of levels of LRP1 (f), APOE (g), CTSD (h) and SPP1 (i) in WT macrophages cultured on tissue culture plates or PCL scaffolds treated with shRNA ADV-shRNA(NC) or ADV-shRNA(Lrp1). ∗ indicates p < 0.05, ∗∗ indicates p < 0.01, N.S. indicates non-significant. Tukey's post-hoc test. For each group, three different samples were analyzed (n = 3). (j) Flow cytometry analysis of CTSD positive cells in WT macrophages cultured on tissue culture plates (negative control, NC) or PCL scaffolds (PCL) for 48 h prior to treatment with ADV-shRNA(NC) or ADV-shRNA(Lrp1) for 24 h and quantification of percentage of CTSD positive cells in WT macrophages in each group. ∗ indicates p < 0.05, Tukey's post-hoc test. For each group, three independent experiments were repeated, and results were analyzed (n = 3).

Techniques: In Vivo, Immunoprecipitation, Mass Spectrometry, Co-Immunoprecipitation Assay, Immunofluorescence, Staining, Cell Culture, Negative Control, shRNA, Flow Cytometry

Downregulation of APOE by AAV ameliorating fibrosis during vascular regeneration after graft implantation in vivo . (a) Illustration of a strategy of adventitial delivery of AAV-shRNA(Apoe) to inhibit APOE levels in regenerated aortas after graft implantation in vivo . Two weeks after graft implantation in vivo , AAV-shRNA(Apoe) were injected into the adventitia of the regenerated aortas, which were then harvested for analysis three weeks later. (b) M mode images of ultrasound detection of regenerated aortas treated with PBS, AAV-shRNA(NC), and AAV-shRNA(Apoe) for 3 weeks. Arrow heads indicate movement of vascular walls. (c) Tensile tests of regenerated aortas treated with PBS, AAV-shRNA(NC), and AAV-shRNA(Apoe) for 3 weeks. (d) Quantification of RI, PI, and compliance of regenerated aortas treated with PBS, AAV-shRNA(NC), and AAV-shRNA(Apoe) for 3 weeks. ∗∗ indicates p < 0.01, Tukey's post-hoc test. For each group, six different images from six different animals were analyzed (n = 6). (e) Quantification of elastic modulus of regenerated aortas treated with PBS, AAV-shRNA(NC), and AAV-shRNA(Apoe) for 3 weeks. ∗∗ indicates p < 0.01, Tukey's post-hoc test. For each group, six different images from six different animals were analyzed (n = 6). (f) H&E, MTC and EVG staining of regenerated aortas treated with PBS, AAV-shRNA(NC), and AAV-shRNA(Apoe) for 3 weeks. (g) Immunofluorescence staining of COL I, COL III, elastin, αSMA, and eNOS in regenerated aortas treated with PBS, AAV-shRNA(NC), and AAV-shRNA(Apoe) for 3 weeks. L indicates lumens. Arrow heads indicate capillaries. Quantification of adventitia thickness (h), collagen positive areas according to MTC staining (i), elastin positive areas according to EVG staining (j), COL I positive areas (k), COL III positive areas (l), and number of capillaries (m) in adventitial areas of regenerated aortas. (n) Immunofluorescence staining of CTSD and CD68 in regenerated aortas treated with PBS, AAV-shRNA(NC), and AAV-shRNA(Apoe) for 3 weeks. (o) CD68 and CTSD double positive cells in regenerated aortas. ∗∗ indicates p < 0.01, Tukey's post-hoc test. For each group, six different samples from six different animals were analyzed (n = 6). (p) WB results of APOE, CTSD and SPP1 levels in regenerated aortas treated with PBS, AAV-shRNA(NC), and AAV-shRNA(Apoe) for 3 weeks and quantification of levels of APOE, CTSD and SPP1 in regenerated aortas. ∗∗ indicates p < 0.01, Tukey's post-hoc test. For each group, six different samples from six different animals were analyzed (n = 6). (q) Quantification of IGF-1 concentrations in regenerated aortas treated with PBS, AAV-shRNA(NC), and AAV-shRNA(Apoe) for 3 weeks by ELISA. ∗∗ indicates p < 0.01, Tukey's post-hoc test. For each group, six different samples from six different animals were analyzed (n = 3).

Journal: Bioactive Materials

Article Title: Apolipoprotein E knockout attenuates vascular graft fibrosis by reducing profibrotic macrophage formation through low-density lipoprotein receptor related protein 1

doi: 10.1016/j.bioactmat.2026.01.029

Figure Lengend Snippet: Downregulation of APOE by AAV ameliorating fibrosis during vascular regeneration after graft implantation in vivo . (a) Illustration of a strategy of adventitial delivery of AAV-shRNA(Apoe) to inhibit APOE levels in regenerated aortas after graft implantation in vivo . Two weeks after graft implantation in vivo , AAV-shRNA(Apoe) were injected into the adventitia of the regenerated aortas, which were then harvested for analysis three weeks later. (b) M mode images of ultrasound detection of regenerated aortas treated with PBS, AAV-shRNA(NC), and AAV-shRNA(Apoe) for 3 weeks. Arrow heads indicate movement of vascular walls. (c) Tensile tests of regenerated aortas treated with PBS, AAV-shRNA(NC), and AAV-shRNA(Apoe) for 3 weeks. (d) Quantification of RI, PI, and compliance of regenerated aortas treated with PBS, AAV-shRNA(NC), and AAV-shRNA(Apoe) for 3 weeks. ∗∗ indicates p < 0.01, Tukey's post-hoc test. For each group, six different images from six different animals were analyzed (n = 6). (e) Quantification of elastic modulus of regenerated aortas treated with PBS, AAV-shRNA(NC), and AAV-shRNA(Apoe) for 3 weeks. ∗∗ indicates p < 0.01, Tukey's post-hoc test. For each group, six different images from six different animals were analyzed (n = 6). (f) H&E, MTC and EVG staining of regenerated aortas treated with PBS, AAV-shRNA(NC), and AAV-shRNA(Apoe) for 3 weeks. (g) Immunofluorescence staining of COL I, COL III, elastin, αSMA, and eNOS in regenerated aortas treated with PBS, AAV-shRNA(NC), and AAV-shRNA(Apoe) for 3 weeks. L indicates lumens. Arrow heads indicate capillaries. Quantification of adventitia thickness (h), collagen positive areas according to MTC staining (i), elastin positive areas according to EVG staining (j), COL I positive areas (k), COL III positive areas (l), and number of capillaries (m) in adventitial areas of regenerated aortas. (n) Immunofluorescence staining of CTSD and CD68 in regenerated aortas treated with PBS, AAV-shRNA(NC), and AAV-shRNA(Apoe) for 3 weeks. (o) CD68 and CTSD double positive cells in regenerated aortas. ∗∗ indicates p < 0.01, Tukey's post-hoc test. For each group, six different samples from six different animals were analyzed (n = 6). (p) WB results of APOE, CTSD and SPP1 levels in regenerated aortas treated with PBS, AAV-shRNA(NC), and AAV-shRNA(Apoe) for 3 weeks and quantification of levels of APOE, CTSD and SPP1 in regenerated aortas. ∗∗ indicates p < 0.01, Tukey's post-hoc test. For each group, six different samples from six different animals were analyzed (n = 6). (q) Quantification of IGF-1 concentrations in regenerated aortas treated with PBS, AAV-shRNA(NC), and AAV-shRNA(Apoe) for 3 weeks by ELISA. ∗∗ indicates p < 0.01, Tukey's post-hoc test. For each group, six different samples from six different animals were analyzed (n = 3).

Techniques: In Vivo, shRNA, Injection, Staining, Immunofluorescence, Enzyme-linked Immunosorbent Assay

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