Anti-LMAN1 (Immunofluorescence) In HEK293 Cells

Anesthesiology
University of Wisconsin-Madison
Research Associate

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Company:

Abcam Inc.

Product Name:

Anti-LMAN1

Catalog Number:

ab125006

This antibody was used in a study investigating the effects of N-glycosylation of Matrix Metalloproteinase-9 (MMP9) by characterizing the intracellular organelle trafficking pattern of the N-glycoyslation mutants of MMP9. It has been published in Traffic in 2015 (Duellman et al., Functional Roles of N-Linked Glycosylation of Human Matrix Metalloproteinase 9, Traffic. 10, 1108-26). Anti-LMAN1 was used to characterize the staining pattern of the ERGIC. in HEK293 cells. Anti-LMAN1 stained 4% PFA fixed HEK293 cells and resulted in a weak but distinguishable signal and appeared to stain in a similar pattern as previously published immunofluorescent detection of the ERGIC by others. A dilution of 1:100 incubated for 3 hours was used, followed by secondary staining using Alexa-488. Using this antibody we concluded that N-glycosylation mutants of MMP9 were not trapped in the ERGIC.

Experimental Design and Results Summary

Applications

Immunofluorescence

Sample

4% PFA fixed HEK293 cells was used to detect the ERGIC organelle using the anit-LMAN1 antibody. Green signal is the immunodetection of Anti-LMAN1, blue signal is the nuclear Hoechst stain.

Primary Incubation

A dilution of 1:100 in 2% DGS was incubated at room temperature for 3 hours.

Blocking Agent

10% Donor Goat Serum (DGS)

Secondary Incubation

A dilution of 1:400 of anti-Rabbit-488 (Alexa series) in 2% DGS was incubated at room temperature for 1 hour.

Tertiary Incubation

N/A

Detection

488nm excitation on an inverted microscope.

Results Summary

The Anti-LMAN1 antibody resulted in a typical peri-nuclear staining pattern that resembled the ERGIC within HEK293 cells. Our staining pattern of the ERGIC compared to other similar published reports.

Additional Notes

Green: LAMN1 signal, Blue: Hoechst

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Summary

The Good

Staining pattern was able to successfully detect the ERGIC in HEK293 cells.

The Bad

The signal was relatively weak.

The Bottom Line

The antibody worked well enough. I would recommend use at higher antibody concentration or potentially tyramide enhancement if necessary.

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