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ICC/IF for Anti-Glypican 6 (GPC6) [IPI-GPC6.6] in binding assay

Addgene #241001

Data Submitted By
Alexander Morano , Travis Riedel and Deborah Moshinsky
Lab Name
Institute for Protein Innovation (IPI)
Submission Date
September 26, 2025
Publication Date
October 03, 2025 (modified October 22, 2025)
Abstract
Experimental results for Anti-Glypican 6 (GPC6) [IPI-GPC6.6] (Addgene #241001) in an immunofluorescence (IF) assay with ExpiCHO cells expressing human or mouse GPC6.
Caption: A) Immunofluorescence (IF) of ExpiCHO cells transfected with V5-tagged human and mouse GPC6. Human GPC6 was co-transfected with GFP (human transfection control) and mouse GPC6 was co-transfected with BFP (mouse transfection control). Cells were transfected separately and mixed for labeling and imaging. Cells were labeled with Anti-Glypican 6 (GPC6) [IPI-GPC6.6] (Addgene #241001) and imaged for GFP (green), BFP (blue), and GPC6 (magenta) at 40X magnification. B) Combined quantification of multiple images of the same transfected cells taken at 10X magnification. IPI-GPC6.6 labeling of human (left) and mouse (right) GPC6 are shown in the top row, and compared to a positive (left) and negative (right) control in the bottom row. For both panels, IPI-GPC6.6 was used at 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-Glypican 6 (GPC6) [IPI-GPC6.6]
Addgene #241001
Alexa Fluor 647 F(ab')2 fragment goat anti-rabbit IgG, Fc fragment-specific
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 human GPC6

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-Glypican 6 (GPC6) [IPI-GPC6.6]
Source
Addgene
Catalog Number
241001
Host Species
Rabbit
Target Antigen
GPC6
Concentration
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

Confocal water-immersion images taken at 40X magnification on the ImageXpress confocal HT.ai microscope.

Widefield 10X magnification for quantitative data. GFP- or BFP-positive cells were identified using a custom module in the IN Carta image analysis software, then the mean fluorescence intensity (MFI) of the far-red channel for each cell, representing Anti-Glypican 6 (GPC6) [IPI-GPC6.6] labeling, was recorded. Each histogram displays the number of cells with MFIs ranging from below 450 (background fluorescence) to 20000.

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 1: House-made rabbit anti-mOPC2 antibody used to confirm transfected construct does not interact/produce signal with every antibody.

Negative control 2: Testing antibody against transfected control construct (CD276) containing IGG domains to ensure nonspecific binding is not occuring.

Results

Result
Pass (The antibody worked under these conditions)
Describe Results
The antibody shows binding to human and mouse GPC6.