mouse anti human gip (R&D Systems)
Structured Review
![Cellular responses to <t>GIP_HUMAN[22–51].</t> ( a, b ) Confocal laser-scanning microscopy images of the fluorescent GIP_HUMAN[22–51] peptides bound to cultured cells. Growing HAoECs ( a ) or THP1-derived macrophages deprived of serum for 16 h ( b ) were overlaid without (left panels) or with 10 –6 M FAM-GIP_HUMAN[22–51] (right panels) for 30 or 5 min, respectively. Cells were washed, fixed, nuclei counterstained with DAPI (blue) and the cell surface-bound green fluorescence visualised. Scale bar represents 50 μm. ( c, d ) Nuclear translocation of NF-κB. HAoECs ( c ) or THP1-derived macrophages ( d ) were incubated without (left panel) or with 10 –6 M GIP_HUMAN[22–51] for 60 min, and immunocytochemical staining was performed using an NF-κB p65 subunit antibody to detect its nuclear translocation. ( e, f ) Degradation of IκB-α. HAoECs ( e ) or THP1-derived macrophages ( f ) were stimulated with 10 –7 M GIP_HUMAN[22–51] for the indicated times and subjected to western blot analysis using the anti-IκB-α antibody to assess the time-course of IκB-α degradation. The panels show the cropped blots and the full-length blots are presented in the Supplementary Information. ( g–i ) Upregulation of MMP8 gene expression by GIP_HUMAN[22–51]. HAoECs were incubated with 10 –7 M GIP_HUMAN[22–51] for the indicated times ( g ) or with indicated doses for 48 h ( h ), and MMP8 mRNA and β-actin levels were quantified. Data represent the fold changes (mean ± S.E.M) of MMP8 mRNA copies relative to β-actin mRNA ( n = 5). * p < 0.05, ** p < 0.01, *** p < 0.001 compared with vehicle. ( i ) HAoECs pre-treated with or without MG132 (500 nM) for 30 min were incubated with 10 –7 M GIP_HUMAN[22–51] and MG132 (100 nM) for 24 h and MMP8 and β-actin mRNA levels were quantified. ** p < 0.01, *** p < 0.001, compared with vehicle. The relative mRNA levels are shown as fold changes (mean ± S.E.M; n = 5).](https://pub-med-central-images-cdn.bioz.com/pub_med_central_ids_ending_with_0211/pmc08280211/pmc08280211__41598_2021_93862_Fig2_HTML.jpg)
Mouse Anti Human Gip, supplied by R&D Systems, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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1) Product Images from "GIP_HUMAN[22–51] is a new proatherogenic peptide identified by native plasma peptidomics"
Article Title: GIP_HUMAN[22–51] is a new proatherogenic peptide identified by native plasma peptidomics
Journal: Scientific Reports
doi: 10.1038/s41598-021-93862-w
Figure Legend Snippet: Cellular responses to GIP_HUMAN[22–51]. ( a, b ) Confocal laser-scanning microscopy images of the fluorescent GIP_HUMAN[22–51] peptides bound to cultured cells. Growing HAoECs ( a ) or THP1-derived macrophages deprived of serum for 16 h ( b ) were overlaid without (left panels) or with 10 –6 M FAM-GIP_HUMAN[22–51] (right panels) for 30 or 5 min, respectively. Cells were washed, fixed, nuclei counterstained with DAPI (blue) and the cell surface-bound green fluorescence visualised. Scale bar represents 50 μm. ( c, d ) Nuclear translocation of NF-κB. HAoECs ( c ) or THP1-derived macrophages ( d ) were incubated without (left panel) or with 10 –6 M GIP_HUMAN[22–51] for 60 min, and immunocytochemical staining was performed using an NF-κB p65 subunit antibody to detect its nuclear translocation. ( e, f ) Degradation of IκB-α. HAoECs ( e ) or THP1-derived macrophages ( f ) were stimulated with 10 –7 M GIP_HUMAN[22–51] for the indicated times and subjected to western blot analysis using the anti-IκB-α antibody to assess the time-course of IκB-α degradation. The panels show the cropped blots and the full-length blots are presented in the Supplementary Information. ( g–i ) Upregulation of MMP8 gene expression by GIP_HUMAN[22–51]. HAoECs were incubated with 10 –7 M GIP_HUMAN[22–51] for the indicated times ( g ) or with indicated doses for 48 h ( h ), and MMP8 mRNA and β-actin levels were quantified. Data represent the fold changes (mean ± S.E.M) of MMP8 mRNA copies relative to β-actin mRNA ( n = 5). * p < 0.05, ** p < 0.01, *** p < 0.001 compared with vehicle. ( i ) HAoECs pre-treated with or without MG132 (500 nM) for 30 min were incubated with 10 –7 M GIP_HUMAN[22–51] and MG132 (100 nM) for 24 h and MMP8 and β-actin mRNA levels were quantified. ** p < 0.01, *** p < 0.001, compared with vehicle. The relative mRNA levels are shown as fold changes (mean ± S.E.M; n = 5).
Techniques Used: Confocal Laser Scanning Microscopy, Cell Culture, Derivative Assay, Fluorescence, Translocation Assay, Incubation, Staining, Western Blot, Expressing
Figure Legend Snippet: Proatherosclerotic effects of GIP_HUMAN[22–51] in ApoE −/− mice. The 17-week-old ApoE −/− mice were infused with saline alone ( a , e, and i , vehicle), GIP_HUMAN[22–51] ( b , c , f , g , j, and k , 0.6 nM/kg/h), and/or anti-GIP_HUMAN[22–51] IgG ( c , d , g , h , k, and l , 1.4 μg/kg/h) by osmotic mini-pumps for 4 weeks. The aortic surface was stained with oil red O ( a – d ). Cross sections of the aortic root were stained with oil red O ( e – h ) or anti-MOMA-2 antibody ( i – l ) and counterstained with hematoxylin. Surface area of the atherosclerotic lesions ( m ), cross sectional area of the atherosclerotic lesion ( n ), and macrophage accumulation ( o ) are expressed as means ± SEM ( n = 5–7). * p < 0.05, ** p < 0.01, *** p < 0.001 compared with vehicle.
Techniques Used: Saline, Staining
Figure Legend Snippet: Cytokine array screening of mice serum infused with GIP_HUMAN[22–51] for 4 weeks. ( a ) Layout of antibody arrays and abbreviated names of the 111 cytokine/chemokine probes, adapted from the manufacturer’s information. ( b – e ) Complete hybridisation signals after probing with serum samples obtained from ApoE−/− mice infused for 4 weeks with saline alone ( b ), GIP_HUMAN[22–51] ( c ), combined infusion with GIP_HUMAN[22–51] and anti-GIP_HUMAN[22–51] IgG ( d ), or anti-GIP_HUMAN[22–51] IgG ( e ). ( f , g ) Quantified signal intensities of the respective serum proteins in mice infused with GIP_HUMAN[22–51] ( f ) or anti-GIP_HUMAN[22–51] IgG ( g ) in terms of 2-spot mean values relative to untreated experiments are shown.
Techniques Used: Hybridization, Saline
Figure Legend Snippet: Systemic expression of GIP_HUMAN[22–51] and its negative colocalisation with GIP in major human organs. ( a–l , a ’– l ’) Human tissue array sections were immunohistochemically stained with either IgG purified from preimmune rabbit serum ( a–l ) or anti-GIP_HUMAN[22–51] IgG at 1:500 dilution ( a ’– l ’). Arrows indicate the positions of positive immunoreactivity. ( a” – l” ) Confocal microscopic images of immunofluorescent dual staining of GIP_HUMAN[22–51] and GIP. Human tissue array sections were double-stained with either the rabbit polyclonal anti-GIP_HUMAN[22–51] antibody (× 1000) or the mouse monoclonal anti-human GIP antibody (× 500). The red signals corresponding to the localisation of GIP were obtained with the Alexa Fluor 594 secondary antibody (× 1000) and the green signals representing GIP_HUMAN[22–51] were obtained with the Alexa Fluor 488 secondary antibody (× 500). The nuclei were counterstained with DAPI (blue). Overlay resulted in yellow signals indicative of colocalisation. ( a–a” ) cerebral cortex, ( b – b ”) cerebellum, ( c – c ”) tonsil, ( d – d ”) lymph node, ( e – e ”) heart, ( f – f ”) liver, ( g – g ”) stomach, ( h – h ”) kidney (glomerulus), ( i – i ”) kidney (tubule), ( j – j ”) small intestine, ( k – k ”) colon and ( l – l ”) testis (scale bar: 100 μm).
Techniques Used: Expressing, Staining, Purification
