Skip to main content

ICC/IF for Anti-Neuroligin-3 [IPI-mNLGN3.18] in specificity assay

Addgene #219629

Data Submitted By
Alexander Morano , Travis Riedel and Deborah Moshinsky
Lab Name
Institute for Protein Innovation (IPI)
Submission Date
October 24, 2025
Publication Date
November 10, 2025 (modified November 11, 2025)
DOI
https://doi.org/10.57733/addgene.xsnjeg
Abstract
Experimental results for Anti-Neuroligin-3 [IPI-mNLGN3.18] (Addgene #219629) in an immunofluorescence (IF) specificity assay with ExpiCHO cells expressing human and mouse NLGNs.
Citation
ICC/IF for Anti-Neuroligin-3 [IPI-mNLGN3.18] in specificity assay. Morano A, Riedel T, Moshinsky D 2025. Addgene Report, https://doi.org/10.57733/addgene.xsnjeg
Caption: Each graph depicts the combined quantification of multiple images of the same transfected cells taken at 10X magnification. GFP-positive cells were identified and the mean fluorescence intensity (MFI) of the far-red channel for each cell, representing Anti-Neuroligin-3 [IPI-mNLGN3.18] (Addgene #219629) labeling, was recorded. IPI-NLGN3.18 labeling of human and mouse variants of each NLGN family member is compared on the top and bottom rows. To test family-wide cross-reactivity, IPI-NLGN3.18 was used at 0.1 µg/mL (1:10,000 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-Neuroligin-3 [IPI-mNLGN3.18]
Addgene #219629
Alexa Fluor 647 F(ab')2 fragment goat anti-rabbit IgG, Fc fragment-specific
Jackson ImmunoResearch #111-606-046

Materials & Methods

Sample

Target Species
Mouse
Cell / Tissue Type
ExpiCHO
Additional Information
ExpiCHO cells were separately transfected with human and mouse NLGN1, NLGN2, NLGN3, and NLGN4. NLGNs were cotransfected with GFP (transfection control).

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-Neuroligin-3 [IPI-mNLGN3.18]
Source
Addgene
Catalog Number
219629
Host Species
Rabbit
Target Antigen
NLGN3
Concentration
0.1 µg/mL
Time
60 min
Temperature
Room Temperature
View in Addgene Catalog

Secondary Antibody

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

Additional Information

Additional Information

GFP-positive cells were identified via the neural network CellPose, then the mean fluorescence intensity (MFI) of the far-red channel for each cell, representing IPI-NLGN3.18 labeling, was recorded. Each histogram displays the number of cells with MFIs ranging from below 100 (background fluorescence) to 4095 (saturation).

Controls

Positive control (not shown): Anti-V5 [IPI-SV5-Pk1] (Addgene #218107) used to confirm IF labeling efficacy (since construct expressing target also has a V5 tag).

Negative control (not shown): Rabbit IgG used to confirm transfected construct does not interact /produce signal with every antibody.

Results

Result
Pass (The antibody worked under these conditions)
Describe Results
The antibody is specific to human and mouse NLGN3 and does not bind to other NLGN family members tested.