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goat anti human prox1  (R&D Systems)


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    R&D Systems goat anti human prox1
    Goat Anti Human Prox1, supplied by R&D Systems, used in various techniques. Bioz Stars score: 95/100, based on 323 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/goat+anti+human+prox1/Human+Prox1+Antibody/pm42810344-272-41-45
    Average 95 stars, based on 323 article reviews
    goat anti human prox1 - by Bioz Stars, 2026-10
    95/100 stars

    Images

    Related Articles

    Chromatin Immunoprecipitation:

    Article Title: A Prox1 enhancer represses haematopoiesis in the lymphatic vasculature.
    Article Snippet: Transcriptional enhancer elements are responsible for orchestrating the temporal and spatial control over gene expression that is crucial for programming cell identity during development.. Here we describe a novel enhancer element that is important for regulating the expression of Prox1 in lymphatic endothelial cells.. This evolutionarily conserved enhancer is bound by key lymphatic transcriptional regulators including GATA2, FOXC2, NFATC1 and PROX1.

    Immunostaining:

    Article Title: Cervical lymphadenectomy impairs brain lymphatic clearance and synaptic proteostasis.
    Article Snippet: .. The whole-mount immunostaining and microscopic image acquisition, processing and analysis of the LYVE1+/PROX1+ lymphatic vessels in dura mater was done as previously described.102 The following primary antibodies were used for immunostaining of mouse tissues: polyclonal rabbit anti-mouse LYVE1 (1:1000, produced inhouse), goat anti-human PROX1 (1:200, R&D Systems, AF2727, AB_2170716). .. The primary antibodies were detected with the corresponding Alexa Fluor 488, 594 or 647 conjugated secondary antibodies (1:500; Molecular Probes/Invitrogen)35.

    Analysis:

    Article Title: Cervical lymphadenectomy impairs brain lymphatic clearance and synaptic proteostasis.
    Article Snippet: .. The whole-mount immunostaining and microscopic image acquisition, processing and analysis of the LYVE1+/PROX1+ lymphatic vessels in dura mater was done as previously described.102 The following primary antibodies were used for immunostaining of mouse tissues: polyclonal rabbit anti-mouse LYVE1 (1:1000, produced inhouse), goat anti-human PROX1 (1:200, R&D Systems, AF2727, AB_2170716). .. The primary antibodies were detected with the corresponding Alexa Fluor 488, 594 or 647 conjugated secondary antibodies (1:500; Molecular Probes/Invitrogen)35.

    Produced:

    Article Title: Cervical lymphadenectomy impairs brain lymphatic clearance and synaptic proteostasis.
    Article Snippet: .. The whole-mount immunostaining and microscopic image acquisition, processing and analysis of the LYVE1+/PROX1+ lymphatic vessels in dura mater was done as previously described.102 The following primary antibodies were used for immunostaining of mouse tissues: polyclonal rabbit anti-mouse LYVE1 (1:1000, produced inhouse), goat anti-human PROX1 (1:200, R&D Systems, AF2727, AB_2170716). .. The primary antibodies were detected with the corresponding Alexa Fluor 488, 594 or 647 conjugated secondary antibodies (1:500; Molecular Probes/Invitrogen)35.

    Incubation:

    Article Title: Upregulation of VCAM-1 in lymphatic collectors supports dendritic cell entry and rapid migration to lymph nodes in inflammation
    Article Snippet: .. Subsequently, whole-mounts were incubated overnight with the following primary antibodies: rat anti-mouse CD31 (BD Bioscience), rabbit anti-mouse LYVE-1 (AngioBio), anti-αSMA coupled to Cy3 (Sigma-Aldrich), anti-αSMA eFluor660 (eBioscience), goat anti-human PROX1 (R&D Systems), hamster anti-mouse Podoplanin (clone 8.1.1; Developmental Studies Hybridoma Bank, University of Iowa), rabbit anti-mouse laminin (Sigma-Aldrich), goat anti-mouse VCAM-1 (R&D Systems), rabbit anti-mouse CX3CL1 (Thermo Fisher Scientific), rat anti-mouse VE-cadherin (R&D Systems), and goat anti-mouse CCL21 (R&D Systems). .. The next day, whole-mounts were incubated for 2 h with Alexa Fluor 488–, 594–, or 647–conjugated secondary antibodies (Invitrogen) and mounted in Mowiol (Sigma-Aldrich).

    Immunohistochemistry:

    Article Title: GATA2 regulates blood/lymph separation in a platelet-dependent and lymphovenous valve-independent manner.
    Article Snippet: .. Primary antibodies for immunohistochemistry were as follows: rabbit anti- PROX1 (11- 002; Angiobio, San Diego, CA, USA), goat anti- human PROX1 (AF2727; R&D Systems, Minneapolis, MN, USA), goat anti- mouse VEGFR3 (AF743; R&D Systems), rat anti- mouse CD31 (553370; BD Pharmingen, San Jose, CA, USA), hamster anti- mouse podoplanin (127401; BioLegend), rat antimouse TER- 119 (116201; BioLegend, San Diego, CA, USA), goat anti- mouse VEGFR2 (AF644; R&D Systems), and rat anti- mouse CD41 (133901; BioLegend). .. Secondary antibodies for immunohistochemistry were: Cy3conjugated donkey anti- rabbit, and Cy5- conjugated donkey anti- rat antibodies (Jackson ImmunoResearch Laboratories, West Grove, PA, USA), and Alexa 488- conjugated donkey anti- goat, Alexa 488- conjugated goat anti- chicken and Alexa 488- conjugated donkey anti- rat (Life Technologies).



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    goat anti human prox1  (R&D Systems)
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    R&D Systems goat anti human prox1
    Goat Anti Human Prox1, supplied by R&D Systems, used in various techniques. Bioz Stars score: 95/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/goat+anti+human+prox1/Human+Prox1+Antibody/pm42810344-272-41-45
    Average 95 stars, based on 1 article reviews
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    goat anti mouse prox1  (R&D Systems)
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    A-C Bulk RNA-seq analysis of tdTomato (TOM)+ and TOM- endothelial cells (ECs) from whole E12.5 Csf1r-iCre;Rosa tdTom mouse embryos (dataset GSE117978). A Volcano plot of significantly differentially expressed transcripts with more than 100 counts per transcript; relevant genes are named; grey and red data points represent transcripts with at least twofold over- or under-representation, respectively ( i.e. , red data points are over-represented and grey data points under-represented in TOM+ ECs compared to TOM-ECs). B,C Relative expression levels for markers typical of lymphatic endothelial cells (LECs) ( B ) or tdTomato and Csf1r ( C ); mean ± SD, n = 3 embryos; NS, not significant, *P < 0.05, **P < 0.01 (Benjamini–Hochberg’s multiple comparisons test for P value adjustment, Padj). D RT-qPCR expression analysis for the indicated genes relative to Actb , showing fold change expression in TOM+ ECs relative to TOM- ECs; mean ± SD, n = 3 embryos; *P < 0.05, **P < 0.01 (two-tailed unpaired t-test). E Immunofluorescence staining with the indicated markers of E15.5 Csf1r-iCre ; Rosa tdTom dorsal dermis (scale bar: 200 μm); the square indicates an area shown at higher magnification in the adjacent panels (scale bar: 25 μm), and shown for the different markers also in grey scale. F Immunofluorescence staining with the indicated markers for quantification of TOM+ LECs in E13.5 and E15.5 Csf1r-iCre ; Rosa tdTom dermis (scale bars: 100 μm); the squares indicate areas shown at higher magnification in the adjacent panels. The bar plot shows the fraction of TOM+ <t>PROX1+</t> cells in E13.5 and E15.5 Csf1r-iCre ; Rosa tdTom dermis. Mean ± SD, n = 4 embryos; each dot represents the value for one embryo. G Immunofluorescence staining with the indicated markers of adult Csf1r-iCre ; Rosa tdTom ear dermis (scale bar: 100 μm). The square indicates an area shown at higher magnification in the adjacent panel, and shown for the different markers also in grey scale. Arrows indicate TOM+ LECs; arrowheads indicate TOM+ macrophages; curved arrows indicate TOM+ BECs; empty symbols indicate lack of expression for the indicated marker.
    Goat Anti Mouse Prox1, supplied by R&D Systems, used in various techniques. Bioz Stars score: 95/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/goat+anti+human+prox1/Human+Prox1+Antibody/bio_rxiv__64898__2026__03__17__712362-30-51-54
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    ( a ) Representative images of control ( <t>Prox1</t> fl/fl ) and Prox1 Nes-cKO ( Nestin-CreER T2 ; Prox1 fl/fl ) hippocampus at P120 stained for Prox1 and NeuN (Neuronal nuclei), a pan-neuronal marker. Scale bar, 200 μm. ( b ) Representative swimming paths of the control and Prox1 Nes-cKO mice before and after training in Morris Water Maze test. ( c ) A schematic diagram showing CA and DG neuroepithelium near the ventricular surface, with the neurogenesis process (arrows) producing CA and DG neurons respectively. ( d–f ) Representative images of developing hippocampus at E13 stained for Prox1 and pH3 ( d , f ) and quantifications of the relative Prox1 expression levels from CA to DG ( e ; n =27 brain sections). High magnification of the boxed areas in ( d ) showing the distribution of Prox1 in dividing CA or DG NSCs ( f ). *p < 0.05, ****p < 0.0001; Student’s t-test. Scale bar, 50 μm ( d ); 25 μm ( f ). The cell body of CA and DG NSCs is encircled by dotted lines. ( g , h ) Sample images of CA and DG NSCs in interphase stained <t>with</t> <t>anti-Prox1</t> antibody and DAPI ( g ) and quantifications of Prox1 foci per NSC ( h ). n = 47, 60 cells; ****p < 0.0001; Student’s t-test. Scale bar, 5 μm. In this and subsequent micrographs, the cell body of CA and DG NSCs is encircled by dashed lines. ( i–k ) Representative images of metaphase (top) and anaphase (bottom) CA (left) and DG (right) NSCs at E13 stained with anti-Prox1, anti-pH3 and DAPI ( i ) and quantifications of Prox1 fluorescent intensity (F.I.) on the chromosomes (chro.) or in the cytosol (cyto.) ( j , k ). Arrowheads indicate Prox1 associating with chromosomes. n = 7, 9, 11, 14 cells, respectively; NS, not significant, ****p < 0.0001, ***p < 0.001; Student’s t-test. Scale bar, 5 μm. ( l ) A schematic diagram showing Prox1 (orange) mitotic retention in DG but not CA NSCs and progenitors.
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    goat polyclonal igg prox1  (R&D Systems)
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    ( a ) Representative images of control ( <t>Prox1</t> fl/fl ) and Prox1 Nes-cKO ( Nestin-CreER T2 ; Prox1 fl/fl ) hippocampus at P120 stained for Prox1 and NeuN (Neuronal nuclei), a pan-neuronal marker. Scale bar, 200 μm. ( b ) Representative swimming paths of the control and Prox1 Nes-cKO mice before and after training in Morris Water Maze test. ( c ) A schematic diagram showing CA and DG neuroepithelium near the ventricular surface, with the neurogenesis process (arrows) producing CA and DG neurons respectively. ( d–f ) Representative images of developing hippocampus at E13 stained for Prox1 and pH3 ( d , f ) and quantifications of the relative Prox1 expression levels from CA to DG ( e ; n =27 brain sections). High magnification of the boxed areas in ( d ) showing the distribution of Prox1 in dividing CA or DG NSCs ( f ). *p < 0.05, ****p < 0.0001; Student’s t-test. Scale bar, 50 μm ( d ); 25 μm ( f ). The cell body of CA and DG NSCs is encircled by dotted lines. ( g , h ) Sample images of CA and DG NSCs in interphase stained <t>with</t> <t>anti-Prox1</t> antibody and DAPI ( g ) and quantifications of Prox1 foci per NSC ( h ). n = 47, 60 cells; ****p < 0.0001; Student’s t-test. Scale bar, 5 μm. In this and subsequent micrographs, the cell body of CA and DG NSCs is encircled by dashed lines. ( i–k ) Representative images of metaphase (top) and anaphase (bottom) CA (left) and DG (right) NSCs at E13 stained with anti-Prox1, anti-pH3 and DAPI ( i ) and quantifications of Prox1 fluorescent intensity (F.I.) on the chromosomes (chro.) or in the cytosol (cyto.) ( j , k ). Arrowheads indicate Prox1 associating with chromosomes. n = 7, 9, 11, 14 cells, respectively; NS, not significant, ****p < 0.0001, ***p < 0.001; Student’s t-test. Scale bar, 5 μm. ( l ) A schematic diagram showing Prox1 (orange) mitotic retention in DG but not CA NSCs and progenitors.
    Goat Polyclonal Igg Prox1, supplied by R&D Systems, used in various techniques. Bioz Stars score: 95/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    ( a ) Representative images of control ( <t>Prox1</t> fl/fl ) and Prox1 Nes-cKO ( Nestin-CreER T2 ; Prox1 fl/fl ) hippocampus at P120 stained for Prox1 and NeuN (Neuronal nuclei), a pan-neuronal marker. Scale bar, 200 μm. ( b ) Representative swimming paths of the control and Prox1 Nes-cKO mice before and after training in Morris Water Maze test. ( c ) A schematic diagram showing CA and DG neuroepithelium near the ventricular surface, with the neurogenesis process (arrows) producing CA and DG neurons respectively. ( d–f ) Representative images of developing hippocampus at E13 stained for Prox1 and pH3 ( d , f ) and quantifications of the relative Prox1 expression levels from CA to DG ( e ; n =27 brain sections). High magnification of the boxed areas in ( d ) showing the distribution of Prox1 in dividing CA or DG NSCs ( f ). *p < 0.05, ****p < 0.0001; Student’s t-test. Scale bar, 50 μm ( d ); 25 μm ( f ). The cell body of CA and DG NSCs is encircled by dotted lines. ( g , h ) Sample images of CA and DG NSCs in interphase stained <t>with</t> <t>anti-Prox1</t> antibody and DAPI ( g ) and quantifications of Prox1 foci per NSC ( h ). n = 47, 60 cells; ****p < 0.0001; Student’s t-test. Scale bar, 5 μm. In this and subsequent micrographs, the cell body of CA and DG NSCs is encircled by dashed lines. ( i–k ) Representative images of metaphase (top) and anaphase (bottom) CA (left) and DG (right) NSCs at E13 stained with anti-Prox1, anti-pH3 and DAPI ( i ) and quantifications of Prox1 fluorescent intensity (F.I.) on the chromosomes (chro.) or in the cytosol (cyto.) ( j , k ). Arrowheads indicate Prox1 associating with chromosomes. n = 7, 9, 11, 14 cells, respectively; NS, not significant, ****p < 0.0001, ***p < 0.001; Student’s t-test. Scale bar, 5 μm. ( l ) A schematic diagram showing Prox1 (orange) mitotic retention in DG but not CA NSCs and progenitors.
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    Image Search Results


    A-C Bulk RNA-seq analysis of tdTomato (TOM)+ and TOM- endothelial cells (ECs) from whole E12.5 Csf1r-iCre;Rosa tdTom mouse embryos (dataset GSE117978). A Volcano plot of significantly differentially expressed transcripts with more than 100 counts per transcript; relevant genes are named; grey and red data points represent transcripts with at least twofold over- or under-representation, respectively ( i.e. , red data points are over-represented and grey data points under-represented in TOM+ ECs compared to TOM-ECs). B,C Relative expression levels for markers typical of lymphatic endothelial cells (LECs) ( B ) or tdTomato and Csf1r ( C ); mean ± SD, n = 3 embryos; NS, not significant, *P < 0.05, **P < 0.01 (Benjamini–Hochberg’s multiple comparisons test for P value adjustment, Padj). D RT-qPCR expression analysis for the indicated genes relative to Actb , showing fold change expression in TOM+ ECs relative to TOM- ECs; mean ± SD, n = 3 embryos; *P < 0.05, **P < 0.01 (two-tailed unpaired t-test). E Immunofluorescence staining with the indicated markers of E15.5 Csf1r-iCre ; Rosa tdTom dorsal dermis (scale bar: 200 μm); the square indicates an area shown at higher magnification in the adjacent panels (scale bar: 25 μm), and shown for the different markers also in grey scale. F Immunofluorescence staining with the indicated markers for quantification of TOM+ LECs in E13.5 and E15.5 Csf1r-iCre ; Rosa tdTom dermis (scale bars: 100 μm); the squares indicate areas shown at higher magnification in the adjacent panels. The bar plot shows the fraction of TOM+ PROX1+ cells in E13.5 and E15.5 Csf1r-iCre ; Rosa tdTom dermis. Mean ± SD, n = 4 embryos; each dot represents the value for one embryo. G Immunofluorescence staining with the indicated markers of adult Csf1r-iCre ; Rosa tdTom ear dermis (scale bar: 100 μm). The square indicates an area shown at higher magnification in the adjacent panel, and shown for the different markers also in grey scale. Arrows indicate TOM+ LECs; arrowheads indicate TOM+ macrophages; curved arrows indicate TOM+ BECs; empty symbols indicate lack of expression for the indicated marker.

    Journal: bioRxiv

    Article Title: A Csf1r lineage gives rise to dermal lymphatic endothelial cells

    doi: 10.64898/2026.03.17.712362

    Figure Lengend Snippet: A-C Bulk RNA-seq analysis of tdTomato (TOM)+ and TOM- endothelial cells (ECs) from whole E12.5 Csf1r-iCre;Rosa tdTom mouse embryos (dataset GSE117978). A Volcano plot of significantly differentially expressed transcripts with more than 100 counts per transcript; relevant genes are named; grey and red data points represent transcripts with at least twofold over- or under-representation, respectively ( i.e. , red data points are over-represented and grey data points under-represented in TOM+ ECs compared to TOM-ECs). B,C Relative expression levels for markers typical of lymphatic endothelial cells (LECs) ( B ) or tdTomato and Csf1r ( C ); mean ± SD, n = 3 embryos; NS, not significant, *P < 0.05, **P < 0.01 (Benjamini–Hochberg’s multiple comparisons test for P value adjustment, Padj). D RT-qPCR expression analysis for the indicated genes relative to Actb , showing fold change expression in TOM+ ECs relative to TOM- ECs; mean ± SD, n = 3 embryos; *P < 0.05, **P < 0.01 (two-tailed unpaired t-test). E Immunofluorescence staining with the indicated markers of E15.5 Csf1r-iCre ; Rosa tdTom dorsal dermis (scale bar: 200 μm); the square indicates an area shown at higher magnification in the adjacent panels (scale bar: 25 μm), and shown for the different markers also in grey scale. F Immunofluorescence staining with the indicated markers for quantification of TOM+ LECs in E13.5 and E15.5 Csf1r-iCre ; Rosa tdTom dermis (scale bars: 100 μm); the squares indicate areas shown at higher magnification in the adjacent panels. The bar plot shows the fraction of TOM+ PROX1+ cells in E13.5 and E15.5 Csf1r-iCre ; Rosa tdTom dermis. Mean ± SD, n = 4 embryos; each dot represents the value for one embryo. G Immunofluorescence staining with the indicated markers of adult Csf1r-iCre ; Rosa tdTom ear dermis (scale bar: 100 μm). The square indicates an area shown at higher magnification in the adjacent panel, and shown for the different markers also in grey scale. Arrows indicate TOM+ LECs; arrowheads indicate TOM+ macrophages; curved arrows indicate TOM+ BECs; empty symbols indicate lack of expression for the indicated marker.

    Article Snippet: Embryonic dorsal dermis was dissected from formaldehyde-fixed embryos and then incubated in PBS containing 2% serum-free protein block (DAKO), 2% bovine serum albumin and 0.4% Triton X-100 before staining with a combination of the following primary antibodies: goat anti-mouse NRP2 (R&D Systems #AF567, 1:100), rabbit anti-mouse PROX1 (Biolegend # 925202, 1:50), goat anti-mouse PROX1 (R&D Systems # AF2727, 1:100), rabbit anti-mouse LYVE1 (Angiobio # 11-034, 1:100), rat anti-mouse PECAM1 (BD Pharmigen # 553370, 1:50), rat anti-mouse EMCN (Santacruz # sc-65495, 1:50), goat anti-mouse FLT4 (R&D Systems # AF743, 1:100), rat anti-mouse TER119 (Biolegend # 116241, 1:100), rabbit anti-mouse GFP (MBL # 598, 1:200), goat anti-mouse TOM (Origene #AB1140-100, 1:250), or rat anti-mouse TOM (Chromotek #5F8, 1:200).

    Techniques: RNA Sequencing, Expressing, Quantitative RT-PCR, Two Tailed Test, Immunofluorescence, Staining, Marker

    A Representative immunofluorescence staining with the indicated markers and quantification of TOM+ LECs of E15.5 Csf1r-iCre ; Rosa tdTom dermis (scale bar: 100 μm) from mice with ( Spi1 +/+ ) or without ( Spi1 -/- ) differentiated myeloid cells. The square indicates an area shown at higher magnification in the adjacent panel. The bar plot shows the fraction of TOM+ PROX1+ cells; mean ± SD, n = 5 Spi1 -/- , n = 3 Spi1 +/+ embryos; each dot represents the value from one embryo. B Immunofluorescence staining with the indicated markers of E17.5 Spi1 -/- ; Csf1r-iCre ; Rosa Yfp dermis (scale bar: 100 μm); the square indicates an area shown at higher magnification in the adjacent panel, and shown for the different markers also in grey scale. Arrows indicate TOM+ LECs; arrowheads indicate TOM+ macrophages; curved arrows indicate TOM+ BECs; empty symbols indicate lack of expression for the indicated marker.

    Journal: bioRxiv

    Article Title: A Csf1r lineage gives rise to dermal lymphatic endothelial cells

    doi: 10.64898/2026.03.17.712362

    Figure Lengend Snippet: A Representative immunofluorescence staining with the indicated markers and quantification of TOM+ LECs of E15.5 Csf1r-iCre ; Rosa tdTom dermis (scale bar: 100 μm) from mice with ( Spi1 +/+ ) or without ( Spi1 -/- ) differentiated myeloid cells. The square indicates an area shown at higher magnification in the adjacent panel. The bar plot shows the fraction of TOM+ PROX1+ cells; mean ± SD, n = 5 Spi1 -/- , n = 3 Spi1 +/+ embryos; each dot represents the value from one embryo. B Immunofluorescence staining with the indicated markers of E17.5 Spi1 -/- ; Csf1r-iCre ; Rosa Yfp dermis (scale bar: 100 μm); the square indicates an area shown at higher magnification in the adjacent panel, and shown for the different markers also in grey scale. Arrows indicate TOM+ LECs; arrowheads indicate TOM+ macrophages; curved arrows indicate TOM+ BECs; empty symbols indicate lack of expression for the indicated marker.

    Article Snippet: Embryonic dorsal dermis was dissected from formaldehyde-fixed embryos and then incubated in PBS containing 2% serum-free protein block (DAKO), 2% bovine serum albumin and 0.4% Triton X-100 before staining with a combination of the following primary antibodies: goat anti-mouse NRP2 (R&D Systems #AF567, 1:100), rabbit anti-mouse PROX1 (Biolegend # 925202, 1:50), goat anti-mouse PROX1 (R&D Systems # AF2727, 1:100), rabbit anti-mouse LYVE1 (Angiobio # 11-034, 1:100), rat anti-mouse PECAM1 (BD Pharmigen # 553370, 1:50), rat anti-mouse EMCN (Santacruz # sc-65495, 1:50), goat anti-mouse FLT4 (R&D Systems # AF743, 1:100), rat anti-mouse TER119 (Biolegend # 116241, 1:100), rabbit anti-mouse GFP (MBL # 598, 1:200), goat anti-mouse TOM (Origene #AB1140-100, 1:250), or rat anti-mouse TOM (Chromotek #5F8, 1:200).

    Techniques: Immunofluorescence, Staining, Expressing, Marker

    A,B Strategy for the combined Csf1r-iCre -mediated lineage tracing and targeting of Prox1 ( A ) and representative immunofluorescence staining with the indicated markers of E15.5 dermis from a heterozygously targeted Csf1r-iCre ; Prox1 fl(Egfp)/+ mouse ( B ) (scale bars: 25 μm). C,D Representative images of E15.5 Prox1 fl/fl embryos with or without Csf1r-iCre (scale bars: 1 mm) ( C ) and table showing the frequency of embryos displaying the indicated phenotype ( D ); n = 20 Prox1 fl/+ , n = 22 Prox1 fl/fl , n = 22 Csf1r-iCre ; Prox1 fl/+ , n = 19 Csf1r-iCre ; Prox1 fl/fl from 11 litters. E Immunofluorescence staining with the indicated markers of E15.5 dermis of Csf1r-iCre ; Rosa tdTom ; Prox1 fl(Egfp)/+ and Csf1r-iCre ; Rosa tdTom ; Prox1 fl(Egfp)/fl(Egfp) littermate mice identifies erythrocytes in mutant dermal lymphatic vessels that are co-labelled for TOM and GFP (scale bars: 100 μm). F Representative immunofluorescence staining with the indicated markers of E15.5 Prox1 fl(Egfp)/fl(Egfp) (no Cre, normal PROX1 function), Csf1r-iCre ; Prox1 fl(Egfp)/+ (heterozygous PROX1 deficiency) and E15.5 Csf1r-iCre ; Prox1 fl(Egfp)/fl(Egfp) (homozygous PROX1 deficiency) dermis illustrates that TER119+ erythrocytes are located in NRP2+ lymphatic vessels of PROX1-deficient embryos. The square indicates an area shown at higher magnification in the adjacent panels and shown for the different markers also in grey scale (Scale bars: 100 μm). Arrows indicate TER119+ erythrocytes in lymphatic vessels.

    Journal: bioRxiv

    Article Title: A Csf1r lineage gives rise to dermal lymphatic endothelial cells

    doi: 10.64898/2026.03.17.712362

    Figure Lengend Snippet: A,B Strategy for the combined Csf1r-iCre -mediated lineage tracing and targeting of Prox1 ( A ) and representative immunofluorescence staining with the indicated markers of E15.5 dermis from a heterozygously targeted Csf1r-iCre ; Prox1 fl(Egfp)/+ mouse ( B ) (scale bars: 25 μm). C,D Representative images of E15.5 Prox1 fl/fl embryos with or without Csf1r-iCre (scale bars: 1 mm) ( C ) and table showing the frequency of embryos displaying the indicated phenotype ( D ); n = 20 Prox1 fl/+ , n = 22 Prox1 fl/fl , n = 22 Csf1r-iCre ; Prox1 fl/+ , n = 19 Csf1r-iCre ; Prox1 fl/fl from 11 litters. E Immunofluorescence staining with the indicated markers of E15.5 dermis of Csf1r-iCre ; Rosa tdTom ; Prox1 fl(Egfp)/+ and Csf1r-iCre ; Rosa tdTom ; Prox1 fl(Egfp)/fl(Egfp) littermate mice identifies erythrocytes in mutant dermal lymphatic vessels that are co-labelled for TOM and GFP (scale bars: 100 μm). F Representative immunofluorescence staining with the indicated markers of E15.5 Prox1 fl(Egfp)/fl(Egfp) (no Cre, normal PROX1 function), Csf1r-iCre ; Prox1 fl(Egfp)/+ (heterozygous PROX1 deficiency) and E15.5 Csf1r-iCre ; Prox1 fl(Egfp)/fl(Egfp) (homozygous PROX1 deficiency) dermis illustrates that TER119+ erythrocytes are located in NRP2+ lymphatic vessels of PROX1-deficient embryos. The square indicates an area shown at higher magnification in the adjacent panels and shown for the different markers also in grey scale (Scale bars: 100 μm). Arrows indicate TER119+ erythrocytes in lymphatic vessels.

    Article Snippet: Embryonic dorsal dermis was dissected from formaldehyde-fixed embryos and then incubated in PBS containing 2% serum-free protein block (DAKO), 2% bovine serum albumin and 0.4% Triton X-100 before staining with a combination of the following primary antibodies: goat anti-mouse NRP2 (R&D Systems #AF567, 1:100), rabbit anti-mouse PROX1 (Biolegend # 925202, 1:50), goat anti-mouse PROX1 (R&D Systems # AF2727, 1:100), rabbit anti-mouse LYVE1 (Angiobio # 11-034, 1:100), rat anti-mouse PECAM1 (BD Pharmigen # 553370, 1:50), rat anti-mouse EMCN (Santacruz # sc-65495, 1:50), goat anti-mouse FLT4 (R&D Systems # AF743, 1:100), rat anti-mouse TER119 (Biolegend # 116241, 1:100), rabbit anti-mouse GFP (MBL # 598, 1:200), goat anti-mouse TOM (Origene #AB1140-100, 1:250), or rat anti-mouse TOM (Chromotek #5F8, 1:200).

    Techniques: Immunofluorescence, Staining, Mutagenesis

    ( a ) Representative images of control ( Prox1 fl/fl ) and Prox1 Nes-cKO ( Nestin-CreER T2 ; Prox1 fl/fl ) hippocampus at P120 stained for Prox1 and NeuN (Neuronal nuclei), a pan-neuronal marker. Scale bar, 200 μm. ( b ) Representative swimming paths of the control and Prox1 Nes-cKO mice before and after training in Morris Water Maze test. ( c ) A schematic diagram showing CA and DG neuroepithelium near the ventricular surface, with the neurogenesis process (arrows) producing CA and DG neurons respectively. ( d–f ) Representative images of developing hippocampus at E13 stained for Prox1 and pH3 ( d , f ) and quantifications of the relative Prox1 expression levels from CA to DG ( e ; n =27 brain sections). High magnification of the boxed areas in ( d ) showing the distribution of Prox1 in dividing CA or DG NSCs ( f ). *p < 0.05, ****p < 0.0001; Student’s t-test. Scale bar, 50 μm ( d ); 25 μm ( f ). The cell body of CA and DG NSCs is encircled by dotted lines. ( g , h ) Sample images of CA and DG NSCs in interphase stained with anti-Prox1 antibody and DAPI ( g ) and quantifications of Prox1 foci per NSC ( h ). n = 47, 60 cells; ****p < 0.0001; Student’s t-test. Scale bar, 5 μm. In this and subsequent micrographs, the cell body of CA and DG NSCs is encircled by dashed lines. ( i–k ) Representative images of metaphase (top) and anaphase (bottom) CA (left) and DG (right) NSCs at E13 stained with anti-Prox1, anti-pH3 and DAPI ( i ) and quantifications of Prox1 fluorescent intensity (F.I.) on the chromosomes (chro.) or in the cytosol (cyto.) ( j , k ). Arrowheads indicate Prox1 associating with chromosomes. n = 7, 9, 11, 14 cells, respectively; NS, not significant, ****p < 0.0001, ***p < 0.001; Student’s t-test. Scale bar, 5 μm. ( l ) A schematic diagram showing Prox1 (orange) mitotic retention in DG but not CA NSCs and progenitors.

    Journal: bioRxiv

    Article Title: Mitotic bookmarking by Prox1 preserves mammalian neuronal lineage identity memory via promoting timely H3K27me3 restoration

    doi: 10.64898/2026.02.25.707603

    Figure Lengend Snippet: ( a ) Representative images of control ( Prox1 fl/fl ) and Prox1 Nes-cKO ( Nestin-CreER T2 ; Prox1 fl/fl ) hippocampus at P120 stained for Prox1 and NeuN (Neuronal nuclei), a pan-neuronal marker. Scale bar, 200 μm. ( b ) Representative swimming paths of the control and Prox1 Nes-cKO mice before and after training in Morris Water Maze test. ( c ) A schematic diagram showing CA and DG neuroepithelium near the ventricular surface, with the neurogenesis process (arrows) producing CA and DG neurons respectively. ( d–f ) Representative images of developing hippocampus at E13 stained for Prox1 and pH3 ( d , f ) and quantifications of the relative Prox1 expression levels from CA to DG ( e ; n =27 brain sections). High magnification of the boxed areas in ( d ) showing the distribution of Prox1 in dividing CA or DG NSCs ( f ). *p < 0.05, ****p < 0.0001; Student’s t-test. Scale bar, 50 μm ( d ); 25 μm ( f ). The cell body of CA and DG NSCs is encircled by dotted lines. ( g , h ) Sample images of CA and DG NSCs in interphase stained with anti-Prox1 antibody and DAPI ( g ) and quantifications of Prox1 foci per NSC ( h ). n = 47, 60 cells; ****p < 0.0001; Student’s t-test. Scale bar, 5 μm. In this and subsequent micrographs, the cell body of CA and DG NSCs is encircled by dashed lines. ( i–k ) Representative images of metaphase (top) and anaphase (bottom) CA (left) and DG (right) NSCs at E13 stained with anti-Prox1, anti-pH3 and DAPI ( i ) and quantifications of Prox1 fluorescent intensity (F.I.) on the chromosomes (chro.) or in the cytosol (cyto.) ( j , k ). Arrowheads indicate Prox1 associating with chromosomes. n = 7, 9, 11, 14 cells, respectively; NS, not significant, ****p < 0.0001, ***p < 0.001; Student’s t-test. Scale bar, 5 μm. ( l ) A schematic diagram showing Prox1 (orange) mitotic retention in DG but not CA NSCs and progenitors.

    Article Snippet: Antibodies used in this study include goat anti-Prox1 (1:50, R&D Systems, AF2727), goat anti-Sox2 (1:200, R&D Systems, AF2018), rabbit anti-Prox1 (1:200, Abcam, Ab101851), rat anti-Tbr2 (1:200, Thermo Fisher Scientific, 14-4875-82), rabbit anti-NeuroD1 (1:200, Abcam, Ab213725), rabbit anti-NeuN (1:200, Abcam, Ab177487), rabbit anti-NeuroD2 (1:200, Abcam, Ab104430), rabbit anti-NeuroD6 (1:200, Abcam, Ab85824), rabbit anti-FOXG1 (1:200, Abcam, Ab18259), rat anti-Ctip2 (1:200, Abcam, Ab18465), rabbit anti-Calb2 (Calretinin) (1:200, Abcam, Ab244299) and rabbit anti-Calb1 (Calbindin) (1:200, Abcam, Ab108404).

    Techniques: Control, Staining, Marker, Expressing