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Anti-Neuropilin 1 antibody [EPR3113] (ab81321)

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Overview

Product name

Anti-Neuropilin 1 antibody [EPR3113]
See all Neuropilin 1 products (8) ...

Description

Rabbit monoclonal [EPR3113] to Neuropilin 1

Tested applications

WB, IHC-P, IP, Flow Cyt, IHC-Frmore details

Cross reactivity

Reacts with

Mouse, Rat, Human

Immunogen

Synthetic peptide (Human) from the cytoplasmic region

Positive control

Human placenta HUVEC HepG2 cell lysates Mouse heart tissue Mouse kidney tissue Rat heart lysate Rat kidney tissue lysate Human kidney tissue

General notes

Produced under U.S. Patent No. 5,675,063.

Properties

Form

Liquid

Storage instructions

Store at -20°C. Stable for 12 months at -20°C

Storage buffer

Preservative: 0.01% Sodium Azide
Constituents: 40% Glycerol, 0.05% BSA, Tissue culture supernatant, 50mM Tris glycine, 150mM Sodium chloride, pH 7.4

Purity

Tissue culture supernatant

Clonality

Monoclonal

Clone number

EPR3113

Isotype

IgG

  • Western blot - Neuropilin 1 antibody [EPR3113] (ab81321)Western blot - Neuropilin 1 antibody [EPR3113] (ab81321) image (enlarge)

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Neuropilin 1 antibody [EPR3113] (ab81321)Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Neuropilin 1 antibody [EPR3113] (ab81321) image (enlarge)

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Neuropilin 1 antibody [EPR3113] (ab81321)Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Neuropilin 1 antibody [EPR3113] (ab81321) image (enlarge)

Applications

Show applications key

Our Abpromise guarantee covers the use of ab81321 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Target

Function

The membrane-bound isoform 1 is a receptor involved in the development of the cardiovascular system, in angiogenesis, in the formation of certain neuronal circuits and in organogenesis outside the nervous system. It mediates the chemorepulsant activity of semaphorins. It binds to semaphorin 3A, The PLGF-2 isoform of PGF, The VEGF-165 isoform of VEGF and VEGF-B. Coexpression with KDR results in increased VEGF-165 binding to KDR as well as increased chemotaxis. It may regulate VEGF-induced angiogenesis.
The soluble isoform 2 binds VEGF-165 and appears to inhibit its binding to cells. It may also induce apoptosis by sequestering VEGF-165. May bind as well various members of the semaphorin family. Its expression has an averse effect on blood vessel number and integrity.

Tissue specificity

The expression of isoforms 1 and 2 does not seem to overlap. Isoform 1 is expressed by the blood vessels of different tissues. In the developing embryo it is found predominantly in the nervous system. In adult tissues, it is highly expressed in heart and placenta; moderately in lung, liver, skeletal muscle, kidney and pancreas; and low in adult brain. Isoform 2 is found in liver hepatocytes, kidney distal and proximal tubules.

Sequence similarities

Belongs to the neuropilin family.
Contains 2 CUB domains.
Contains 2 F5/8 type C domains.
Contains 1 MAM domain.

Cellular localization

Secreted and Cell membrane.

Target information above from: UniProt accessionO14786 The UniProt Consortium
The Universal Protein Resource (UniProt) in 2010
Nucleic Acids Res. 38:D142-D148 (2010).

Information by UniProt

Alternative names

  • BDCA4 antibody
  • CD 304 antibody
  • CD304 antibody
  • DKFZp686A03134 antibody
  • DKFZp781F1414 antibody
  • NEL like protein 1 antibody
  • Nel related protein 1 antibody
  • Neuropilin-1 antibody
  • Neuropilin1 antibody
  • Neuropilin1 transmembrane receptor antibody
  • NP1 antibody
  • NRP 1 antibody
  • NRP antibody
  • NRP1 antibody
  • NRP1_HUMAN antibody
  • OTTHUMP00000020818 antibody
  • OTTHUMP00000020820 antibody
  • OTTHUMP00000020821 antibody
  • Vascular endothelial cell growth factor 165 receptor antibody
  • VEGF165R antibody
see all

Anti-Neuropilin 1 antibody [EPR3113] images:

  Western blot - Neuropilin 1 antibody [EPR3113] (ab81321)

Western blot - Neuropilin 1 antibody [EPR3113] (ab81321)

All lanes : Anti-Neuropilin 1 antibody [EPR3113] (ab81321) at 1/1000 dilution

Lane 1 : Human placenta lysate
Lane 2 : HUVEC cell lysate
Lane 3 : HepG2 cell lysate
Lane 4 : mouse heart tissue lysate
Lane 5 : mouse kidney tissue lysate
Lane 6 : rat heart tissue lysate
Lane 7 : rat kidney tissue lysate

Lysates/proteins at 10 µg per lane.

Secondary
HRP goat anti rabbit at 1/2000 dilution

Predicted band size : 103 kDa
Observed band size : 120 kDa (why is the actual band size different from the predicted?)

  Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Neuropilin 1 antibody [EPR3113] (ab81321)

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Neuropilin 1 antibody [EPR3113] (ab81321)

Immunohistochemical analysis of paraffin-embedded human kidney tissue using ab81321 at 1/100 dilution.

  Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Neuropilin 1 antibody [EPR3113] (ab81321)

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Neuropilin 1 antibody [EPR3113] (ab81321)

ab81321 staining Neuropilin 1 in Mouse brain tissue sections by Immunohistochemistry (IHC-P - formaldehyde-fixed, paraffin-embedded sections). Tissue was fixed with formaldehyde and blocked with 10% serum for 1 hour at room temperature; antigen retrieval was by heat mediation in citrate buffer (pH 6). Samples were incubated with primary antibody (1/100 in PBS + 2% blocking serum) for 16 hours at 4°C. A biotin-conjugated Goat anti-rabbit IgG polyclonal (1/250) was used as the secondary antibody.

This image is courtesy of an Abreview submitted by Manoj Kumar Valluru

See Abreview

  Immunohistochemistry (Frozen sections) - Neuropilin 1 antibody [EPR3113] (ab81321)

Immunohistochemistry (Frozen sections) - Neuropilin 1 antibody [EPR3113] (ab81321)

ab81321 staining Neuropilin 1 in rat brain tissue sections by Immunohistochemistry (frozen sections). Tissue was fixed with paraformaldehyde and then blocked with 10% serum for 1 hour at 27°C followed by incubation with the primary antibody, undiluted, for 14 hours at 4°C. An undiluted Cy3®conjugated donkey anti-rabbit was used as the secondary antibody.

Image courtesy of an anonymous Abreview.

See Abreview

  Flow Cytometry-Neuropilin 1 antibody [EPR3113](ab81321)

Flow Cytometry-Neuropilin 1 antibody [EPR3113](ab81321)

Overlay histogram showing HepG2 cells stained with ab81321 (red line). The cells were fixed with 4% paraformaldehyde (10 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 (ab81321, 1/50 dilution) for 30 min at 22°C. The secondary antibody used was DyLight® 488 goat anti-rabbit IgG (H+L) (ab96899) at 1/500 dilution for 30 min at 22°C. Isotype control antibody (black line) was rabbit monoclonal IgG (0.5µg/1x106 cells) used under the same conditions. Acquisition of >5,000 events was performed. This antibody gave a significantly decreased signal in HepG2 cells fixed with methanol (5 min)/permeabilized in 0.1% PBS-Tween used under the same conditions.

  Immunocytochemistry/ Immunofluorescence - Neuropilin 1 antibody [EPR3113] (ab81321)

Immunocytochemistry/ Immunofluorescence - Neuropilin 1 antibody [EPR3113] (ab81321)

ICC/IF image of ab81321 stained MCF7 cells. The cells were 4% PFA 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 (ab81321, 5µg/ml) overnight at +4°C. The secondary antibody (green) was DyLight® 488 goat anti-rabbit IgG - H&L, pre-adsorbed (ab96899) used at a 1/250 dilution for 1h. Alexa Fluor® 594 WGA was used to label plasma membranes (red) at a 1/200 dilution for 1h. DAPI was used to stain the cell nuclei (blue) at a concentration of 1.43µM.

References for Anti-Neuropilin 1 antibody [EPR3113] (ab81321)

This product has been referenced in:

  • Kumar Aet al. Gold nanoparticles functionalized with therapeutic and targeted peptides for cancer treatment. Biomaterials 33:1180-9 (2012). WB, ICC/IF; Human.Read more (PubMed: 22056754) »
  • Stamer WDet al. Protein profile of exosomes from trabecular meshwork cells. J Proteomics 74:796-804 (2011). WB; Human.Read more (PubMed: 21362503) »

See all 2 publications for this product

Publishing research using ab81321? Please let us know so that we can cite the reference in this datasheet

Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"