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ICC/IF for Anti-NRP2 [IPI-mNRP2.29] in binding assay

Addgene #254653

Data Submitted By
Alexander Morano , Travis Riedel and Deborah Moshinsky
Lab Name
Institute for Protein Innovation (IPI)
Submission Date
April 16, 2026
Publication Date
May 12, 2026 (modified May 14, 2026)
DOI
https://doi.org/10.57733/addgene.287eya
Abstract
Experimental results for Anti-NRP2 [IPI-mNRP2.29] (Addgene #254653) in an immunofluorescence (IF) binding assay with ExpiCHO cells expressing human or mouse NRP2.
Citation
ICC/IF for Anti-NRP2 [IPI-mNRP2.29] in binding assay. Morano A, Riedel T, Moshinsky D 2026. Addgene Report, https://doi.org/10.57733/addgene.287eya
Caption: A) Immunofluorescence (IF) of ExpiCHO cells transfected with V5-tagged human and mouse NRP2. Human NRP2 was co-transfected with GFP (human transfection control) and mouse NRP2 was co-transfected with BFP (mouse transfection control). Cells were transfected separately and mixed for labeling and imaging. Cells were labeled with Anti-NRP2 [IPI-mNRP2.29] (Addgene #254653) and imaged for GFP (green), BFP (blue), and Anti-NRP2 [IPI-mNRP2.29] (magenta) at 40x magnification. Scale bar: 20 μm. B) Combined quantification of multiple images of the same transfected cells taken at 10x magnification. Anti-NRP2 [IPI-mNRP2.29] labeling of human (left) and mouse (right) NRP2 is shown in the top row, and compared to a positive (left) and negative (right) control in the bottom row. For both panels, Anti-NRP2 [IPI-mNRP2.29] was used at a 1 µg/mL (1:1,000 dilution).
Image attribution: Institute for Protein Innovation (IPI)

This report is made available under the Creative Commons Attribution 4.0 International License.

Antibodies Used
Anti-NRP2 [IPI-mNRP2.29]
Addgene #254653
Alexa Fluor 647 F(ab')2 goat anti-rabbit IgG Fc fragment
Jackson ImmunoResearch #111-606-046

Materials & Methods

Sample

Target Species
Human
Cell / Tissue Type
ExpiCHO
Additional Information
ExpiCHO cells were transiently transfected with GFP (transfection control) and V5-tagged human NRP2.

Buffer

Name
PBS

Fixative

Fixative
Formaldehyde/Paraformaldehyde
Time
15 min
Temperature
Room Temperature

Permeabilization

Agent
Triton X-100 in PBS
Concentration
0.20%
Time
10 min
Temperature
Room Temperature

Blocking

Agent
Normal goat serum + BSA
Concentration
5% serum, 5% BSA
Time
30 min
Temperature
Room Temperature

Primary Antibody

Name
Anti-NRP2 [IPI-mNRP2.29]
Source
Addgene
Catalog Number
254653
Host Species
Rabbit
Target Antigen
NRP2
Concentration
1 µg/mL (1:1,000 dilution)
Time
60 min
Temperature
Room Temperature
View in Addgene Catalog

Secondary Antibody

Name
Alexa Fluor 647 F(ab')2 goat anti-rabbit IgG Fc fragment
Source
Jackson ImmunoResearch
Catalog Number
111-606-046
Concentration
2 µg/mL
Time
60 min
Temperature
Room Temperature

Additional Information

Additional Information
"

Confocal images taken at 40x magnification on an ImageXpress confocal HT.ai microscope.

For quantitative data, GFP- or BFP-positive cells were identified via the neural network CellPose, then the mean fluorescence intensity (MFI) of the far-red channel for each cell, representing Anti-NRP2 [IPI-mNRP2.29] labeling, was recorded. Each histogram displays the number of cells with MFIs ranging from below 100 (background fluorescence) to 20000 (saturation).

Controls

Positive control: Anti-V5 [IPI-SV5-Pk1] (Addgene #218107) used to confirm IF labeling efficacy (since construct expressing target also has a V5 tag.)

Negative control: Rabbit IgG used to confirm lack of nonspecific binding to the sample.

"

Results

Result
Pass (The antibody worked under these conditions)
Describe Results
The antibody shows binding to human and mouse NRP2.