Product datasheet Anti-CNPase antibody [11-5B] ab6319 27 Abreviews 26 References 12 Images Overview Product name Anti-CNPase antibody [11-5B] Description Mouse monoclonal [11-5B] to CNPase Specificity Reacts specifically with CNPase. In an immunoblotting assay, the antibody localizes both CNP1 (46kD) and CNP2 (48kD) bands. Immunohistochemical staining of paraffin, cryostat or vibratome sections of rat brain reveals selective staining of oligodendrocytes in the grey and white matter. Nerve cells and axons are not stained and astroglial cells do not appear to be labelled. Tested applications IHC-FoFr, Flow Cyt, Conjugation, Dot Blot, ELISA, ICC, IHC-P, IHC-Fr, WB, ICC/IF Species reactivity Reacts with: Mouse, Rat, Dog, Human, Rhesus monkey Predicted to work with: Sheep, Rabbit, Cow, Pig Does not react with: Chicken, Guinea pig Immunogen Full length native protein (purified) (Human). Positive control This antibody gave a positive signal in Western Blot, when tested against Human, Mouse and Rat Spinal Cord and Brain tissue lysates. This antibody gave a positive result when used in the following formaldehyde fixed cell lines: SKNSH IHC-P: FFPE human cerebral cortex tissue sections. General notes Alternative versions available: Anti-CNPase antibody (HRP) [11-5B] (ab201678) Properties Form Liquid Storage instructions Shipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C or 80°C. Avoid freeze / thaw cycle. Storage buffer pH: 7.40 Preservative: 0.02% Sodium azide Constituent: PBS Batches contain 0.4M arginine. Purity IgG fraction Clonality Monoclonal Clone number 11-5B Isotype IgG1 1 Applications Our Abpromise guarantee covers the use of ab6319 in the following tested applications. The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user. Application Abreviews Notes IHC-FoFr 1/250. PubMed: 19259393 Flow Cyt Use 1µg for 106 cells. ab170190-Mouse monoclonal IgG1, is suitable for use as an isotype control with this antibody. Conjugation Use at an assay dependent concentration. Dot Blot Use at an assay dependent concentration. ELISA Use at an assay dependent concentration. ICC Use at an assay dependent concentration. IHC-P 1/2000 - 1/1000. Perform heat mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol. IHC-Fr Use at an assay dependent concentration. WB Use a concentration of 5 µg/ml. Detects a band of approximately 48 kDa (predicted molecular weight: 48 kDa). ICC/IF 1/200. PubMed: 17464316 Target Sequence similarities Belongs to the cyclic nucleotide phosphodiesterase family. Cellular localization Membrane. Melanosome. Firmly bound to membrane structures of brain white matter. Identified by mass spectrometry in melanosome fractions from stage I to stage IV. Anti-CNPase antibody [11-5B] images 2 IHC-P image of CNPase staining on rat brain sections using ab6319 (1:1600). heat mediated antigen retrieval on paraffin embedded sections was performed using citric acid. The sections were then blocked with 1% BSA for 10 min at 21°C. The primary antibody was incubated for 16 hours at 21°C. The sections were then incubated in Goat anti-mouse (Biotin) at 1:200. Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-CNPase antibody [11-5B] - Oligodendrocyte Marker (ab6319) Carl Hobbs, King`s College London, United Kingdom All lanes : Anti-CNPase antibody [11-5B] (ab6319) at 1/100 dilution Lane 1 : Spinal Cord (Human) Tissue Lysate - adult normal tissue (ab29188) Lane 2 : Brain (Human) Tissue Lysate - adult normal tissue (ab29466) Lane 3 : Spinal Cord (Mouse) Tissue Lysate Lane 4 : Brain (Mouse) Tissue Lysate Lane 5 : Spinal Cord (Rat) Tissue Lysate Lane 6 : Brain (Rat) Tissue Lysate Western blot - Anti-CNPase antibody [11-5B] Oligodendrocyte Marker (ab6319) Lysates/proteins at 20 µg per lane. Secondary Goat polyclonal to Mouse IgG - H&L - PreAdsorbed (HRP) at 1/3000 dilution developed using the ECL technique Performed under reducing conditions. Predicted band size : 48 kDa Exposure time : 1 minuteThis antibody was raised against full length native CNPase and is predicted to recognize both isoforms. The predicted molecular weights of isoforms CNPI and CNPII are 45- and 48-kDa respectively. 3 ab6319 staining CNPase in rat oligodendrocytes by Immunocytochemistry/ Immunofluorescence. Cells were fixed in paraformaldehyde, blocked using 5% serum for 10 minutes at 25°C, then incubated with ab6319 at a 1/200 dilution for 2 hours at 25°C. The secondary used was a goat anti-mouse Cy3 conjugated polyclonal at a 1/100 dilution. Immunocytochemistry/ Immunofluorescence CNPase antibody [11-5B] - Oligodendrocyte Marker (ab6319) Image courtesy of an anonymous Abreview. Overlay histogram showing SH-SY5Y cells stained with ab6319 (red line). The cells were fixed with 80% methanol (5 min) and then permeabilized with 0.1% PBS-Tween for 20 min. The cells were then incubated in 1x PBS / 10% normal goat serum / 0.3M glycine to block non-specific protein-protein interactions followed by the antibody (ab6319, 2µg/1x106 Flow Cytometry-Anti-CNPase antibody [11-5B] - cells) for 30 min at 22ºC. The secondary Oligodendrocyte Marker(ab6319) antibody used was DyLight® 488 goat antimouse IgG (H+L) (ab96879) at 1/500 dilution for 30 min at 22ºC. Isotype control antibody (black line) was mouse IgG1 [ICIGG1] (ab91353, 2µg/1x106 cells) used under the same conditions. Acquisition of >5,000 events was performed. This antibody gave a positive signal in SH-SY5Y cells fixed with 4% paraformaldehyde (10 min)/permeabilized with 0.1% PBS-Tween for 20 min used under the same conditions. 4 IHC image of CNPase staining in human cerebral cortex formalin fixed paraffin embedded tissue section, performed on a Leica Bond™ system using the standard protocol F. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH6, epitope retrieval solution 1) for 20 mins. The section was then incubated with ab6319, 5µg/ml, for 15 mins at Immunohistochemistry (Formalin/PFA-fixed room temperature and detected using an paraffin-embedded sections) - Anti-CNPase HRP conjugated compact polymer system. antibody [11-5B] (ab6319) DAB was used as the chromogen. The section was then counterstained with haematoxylin and mounted with DPX. For other IHC staining systems (automated and non-automated) customers should optimize variable parameters such as antigen retrieval conditions, primary antibody concentration and antibody incubation times. ab6319 staining CNPase in Mouse brain tissue sections by Immunohistochemistry (IHC-Fr - frozen sections). Tissue was fixed with formaldehyde, permeabilized with 0.1% Triton and blocked with mouse on mouse blocking solution for 1 hour at 20°C. Samples were incubated with primary antibody (1/100) for 8 hours at 4°C. An Alexa Fluor® 488conjugated Goat anti-mouse IgG polyclonal Immunohistochemistry (Frozen sections) - Anti- (1/200) was used as the secondary antibody. CNPase antibody [11-5B] (ab6319) This image is courtesy of an Abreview submitted by Alban Gaultier 5 ab6319 staining CNPase in the rat oligodendrocytes by ICC/IF (Immunoytochemistry/immunofluorescence). Cells were fixed with paraformaldehyde, permeabilized with methanol and blocked with 5% BSA for 1 hour at 37°C. Samples were incubated with primary antibody (1/100 in PBS ) for 18 hours at 4°C. An Alexa Fluor® 594-conjugated Goat anti-mouse IgG Immunocytochemistry/ Immunofluorescence - polyclonal (1:200) was used as the secondary Anti-CNPase antibody [11-5B] (ab6319) antibody. This image is courtesy of an anonymous Abreview All lanes : Anti-CNPase antibody [11-5B] (ab6319) at 1/750 dilution Lane 1 : Spinal Cord homogenate (whole tissue lysate) Lane 2 : Spinal Cord homogenate (whole tissue lysate) Lane 3 : Spinal Cord homogenate (whole tissue lysate) Western blot - CNPase antibody [11-5B] Oligodendrocyte Marker (ab6319) Lysates/proteins at 2 µg per lane. This image is courtesy of an anonymous Abreview Secondary HRP conjugated sheep anti-mouse IgG Predicted band size : 48 kDa Observed band size : 45,47 kDa This image is courtesy of an anonymous Abreview 6 ab6319 staining mouse brain tissue sections by IHC-FoFr. Sections were PFA fixed and permeabilized in 0.1% Triton X-100 prior to blocking in 0.5% TNB for 30 minutes at 25°C. The primary antibody was diluted 1/250 and incubated with the sample for 18 hours at 25°C. An Alexa Fluor® 488 conjugated goat anti-mouse antibody, diluted 1/250, was used as the secondary. Image demonstrates a 2-D depth projection Immunohistochemistry (PFA perfusion fixed through the superficial cortex. frozen sections) - CNPase antibody [11-5B] Oligodendrocyte Marker (ab6319) This image is courtesy of an anonymous Abreview ab6319 staining CNPase in Dog Cerebellum tissue sections by Immunohistochemistry (IHC-P - paraformaldehyde-fixed, paraffinembedded sections). Tissue was fixed with formaldehyde and blocked with 1% BSA for 10 minutes at 21°C; antigen retrieval was by heat mediation in a citrate buffer. Samples were incubated with primary antibody (1/1500 in blocking buffer) for 2 hours at 21°C. A Biotin-conjugated Goat anti-mouset IgG polyclonal (1/200) was used as the secondary Immunohistochemistry (Formalin/PFA-fixed antibody. paraffin-embedded sections) - Anti-CNPase antibody [11-5B] (ab6319) Carl Hobbs, King`s College London, United Kingdom 7 ICC/IF image of ab6319 stained SKNSH cells. The cells were 4% formaldehyde fixed (10 min) and then incubated in 1%BSA / 10% normal goat serum / 0.3M glycine in 0.1% PBS-Tween for 1h to permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody ab6319 at 10µg/ml overnight at +4°C. The secondary antibody (pseudo-colored green) was Alexa Fluor® 488 goat anti- mouse (ab150117) IgG (H+L) Immunocytochemistry/ Immunofluorescence - preadsorbed, used at a 1/1000 dilution for 1h. Anti-CNPase antibody [11-5B] (ab6319) Alexa Fluor® 594 WGA was used to label plasma membranes (pseudo-colored red) at a 1/200 dilution for 1h at room temperature. DAPI was used to stain the cell nuclei (pseudo-colored blue) at a concentration of 1.43µM for 1hour at room temperature. ab6319 at a 1/200 dilution staining rat spinal cord tissue sections from a 4% PFA transcardially perfused animal by Immunohistochemistry (Frozen sections). The tissue was paraformaldehyde fixed and incubated with the antibody for 18 hours. Bound antibody was detected using an HRP conjugated goat anti-mouse polyclonal Immunohistochemistry (Frozen sections) CNPase antibody [11-5B] - Oligodendrocyte Marker (ab6319) antibody. This image is courtesy of an Abreview submitted by Nancy Nutile-McMenemy. 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