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GloLIVE Human Pluripotent Stem Cell Live Cell Imaging Kit

Catalog #: SC023B
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SC023B has been discontinued.
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Human Induced Pluripotent Stem Cells Express TRA-1-81.
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GloLIVE Human Pluripotent Stem Cell Live Cell Imaging Kit Summary

Kit Summary

To verify pluripotency in live, unfixed human stem cells and continue in culture.

Key Benefits

  • Verify human stem cell pluripotency in 30 minutes
  • Includes 4 pluripotent stem cell-specific fluorochrome-conjugated antibodies
  • Single-step protocol
  • No adverse effects on stemness or proliferation
  • Pick pluripotent human stem cell colonies with increased confidence

SC023B Data Examples
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Stemness vs. Pluripotency
 

 

Why Analyze Human Stem Cell Pluripotency by Live Cell Staining Using Stem Cell Markers?

Maintaining pluripotent human embryonic stem (ES) cells and deriving induced pluripotent stem (iPS) cells requires colony selection and cell expansion. Manually picking colonies that contain pluripotent stem cells can be achieved by analyzing colony morphology. However, colony morphology is not truly indicative of pluripotency, since cells can naturally differentiate within the colony. Moreover, colony picking is a time-consuming and labor-intensive process.

Designed to verify pluripotency in live cells, the GloLIVE™ Human Pluripotent Stem Cell Live Cell Imaging Kit increases research efficiency and success by allowing single-step staining of unfixed cells.

Live pluripotent stem cell imaging:

  • Promotes the selection of high quality, undifferentiated stem cell colonies to reduce experimental variation.
  • Verifies stem cell pluripotency in 30 minutes, ensuring efficient use of time and reagents.
  • Provides increased confidence in pluripotent status through the use of positive and negative markers.
  • Allows for the continued culture of pluripotent cells with no adverse effects on cell proliferation or stemness following staining.
 

 

Kit Contents

This kit contains the following azide-free, fluorochrome-conjugated antibodies to verify human stem cell pluripotency:

Positive Markers

  • NL493-conjugated Mouse Anti-Human SSEA-4
  • NL557-conjugated Mouse Anti-Human TRA-1-60(R)
  • NL493-conjugated Mouse Anti-Human TRA-1-81

Negative Marker

  • NL557-conjugated Mouse Anti-Human SSEA-1

Each antibody is supplied as a 50X stock; enough for 25 assays when used in 500 µL staining volume per assay. Each 1X antibody solution has an endotoxin level of < 5 EU/mL.

Stability and Storage

Reagents are stable for 12 months from date of receipt when stored in the dark at 2° C to 8°.

 

 

Data Examples
Human Induced Pluripotent Stem Cells Express TRA-1-81.
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Human Induced Pluripotent Stem Cells Express TRA-1-81.
JOY1 human induced pluripotent stem cells were stained with the NL493-conjugated TRA-1-81 (green) antibody included in the GloLIVE™ Human Induced Pluripotent Stem Cell Live Cell Imaging Kit. Cells were counterstained with Hoechst 33342 (blue).
Verification of Pluripotency in Human Induced Pluripotent Stem Cells.
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Verification of Pluripotency in Human Induced Pluripotent Stem Cells.
iPS2 human induced pluripotent stem cells were grown on irradiated mouse embryonic fibroblasts (Catalog # PSC001), and stained using antibodies included in the Human Pluripotent Stem Cell Live Cell Imaging Kit. A. iPS2 cells stained with the NL493-conjugated SSEA-4 (green) and NL557-conjugated SSEA-1 (red) antibodies. B. iPS2 cells stained with the NL493-conjugated SSEA-4 (green) and NL557-conjugated TRA-1-60(R) (red) antibodies. The cells were counterstained with Hoechst 33342 (blue). The colonies are positive for the stem cell markers SSEA-4 and TRA-1-60(R) and are negative for SSEA-1, suggesting that these colonies primarily contain undifferentiated human stem cells.
Analysis of Human Embryonic Stem Cell Growth and Stemness Post-staining.
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Analysis of Human Embryonic Stem Cell Growth and Stemness Post-staining.
A.BG01V human embryonic stem cells were plated in triplicate in 6 well plates at 0.5 x 106 cells per well on Day 0. On Day 1, cells were stained with (green bars) or without (blue bars) 1X NL-conjugated antibody. On Day 4, cells were harvested and counted using a hemocytometer. There was no effect of SSEA-4, TRA-1-60(R), or SSEA-1 staining on cell proliferation. Error bars indicate standard deviation. B. BG01V human embryonic stem cells were stained with (green histogram) or without (blue histogram) 1X NL-conjugated antibody and cultured for 3 days. Cells were then harvested and stained using the pluripotent marker PE-conjugated Rat Anti-Human/Mouse Oct-3/4 Monoclonal Antibody (Catalog # IC1759P; open histogram) or a Rat IgG2B PE-conjugated Isotype Control (Catalog # IC013P; filled histogram). Staining with SSEA-4, TRA-1-60(R), or SSEA-1 had no effect on stemness as analyzed by Oct-3/4 expression. Stemness post-staining was also verified by SSEA-4 and SSEA-1 expression (data not shown).

Specifications

Source
N/A
Shipping Conditions
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Species
Human

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Scientific Data

Immunocytochemistry Human Induced Pluripotent Stem Cells Express TRA-1-81. View Larger

Human Induced Pluripotent Stem Cells Express TRA-1-81. JOY1 human induced pluripotent stem cells were stained with the NL493-conjugated TRA-1-81 (green) antibody included in the GloLIVE™Human Induced Pluripotent Stem Cell Live Cell Imaging Kit. Cells were counterstained with Hoechst 33342 (blue).

Immunocytochemistry Verification of Pluripotency in Human Induced Pluripotent Stem Cells. View Larger

Verification of Pluripotency in Human Induced Pluripotent Stem Cells. iPS2 human induced pluripotent stem cells were grown on irradiated mouse embryonic fibroblasts (Catalog # PSC001), and stained using antibodies included in the Human Pluripotent Stem Cell Live Cell Imaging Kit.A.iPS2 cells stained with the NL493-conjugated SSEA-4 (green) and NL557-conjugated SSEA-1 (red) antibodies.B.iPS2 cells stained with the NL493-conjugated SSEA-4 (green) and NL557-conjugated TRA-1-60(R) (red) antibodies. The cells were counterstained with Hoechst 33342 (blue). The colonies are positive for the stem cell markers SSEA-4 and TRA-1-60(R) and are negative for SSEA-1, suggesting that these colonies primarily contain undifferentiated human stem cells.

Flow Cytometry Analysis of Human Embryonic Stem Cell Growth and Stemness Post-staining. View Larger

Analysis of Human Embryonic Stem Cell Growth and Stemness Post-staining. BG01V human embryonic stem cells were plated in triplicate in 6 well plates at 0.5 x 106 cells per well on Day 0. On Day 1, cells were stained with (green bars) or without (blue bars) 1X NL-conjugated antibody. On Day 4, cells were harvested and counted using a hemocytometer. There was no effect of SSEA-4, TRA-1-60(R), or SSEA-1 staining on cell proliferation. Error bars indicate standard deviation.B.BG01V human embryonic stem cells were stained with (green histogram) or without (blue histogram) 1X NL-conjugated antibody and cultured for 3 days. Cells were then harvested and stained using the pluripotent marker PE-conjugated Rat Anti-Human/Mouse Oct-3/4 Monoclonal Antibody (Catalog # IC1759P; open histogram) or a Rat IgG2B PE-conjugated Isotype Control (Catalog # IC013P; filled histogram). Staining with SSEA-4, TRA-1-60(R), or SSEA-1 had no effect on stemness as analyzed by Oct-3/4 expression. Stemness post-staining was also verified by SSEA-4 and SSEA-1 expression (data not shown).

Assay Procedure

Refer to the product datasheet for complete product details.

Briefly, human stem cell pluripotency can be verified in live cells prior to colony selection or experimentation using this 30 minute procedure:

  • Pluripotent stem cell marker antibodies are added directly to the cells of interest
  • After 30 minutes, the cells are washed and analyzed for the expression of pluripotency markers
  • Positive colonies can be selected for expansion in culture

View Graphic Procedure
 

 

Reagents Provided

Reagents supplied in the GloLIVE™ Human Pluripotent Stem Cell Live Cell Imaging Kit (Catalog # SC023B):

  • NL557-conjugated Mouse Anti-Human SSEA-1 (negative marker)
  • NL493-conjugated Mouse Anti-Human SSEA-4 (positive marker)
  • NL557-conjugated Mouse Anti-Human TRA-1-60(R) (positive marker)
  • NL493-conjugated Mouse Anti-Human TRA-1-81 (positive marker)

Note: These antibodies have been tested for immunocytochemistry using human induced pluripotent stem cells grown either on irradiated mouse embryonic fibroblast feeder cells (Catalog # PSC001) or in feeder-free conditions. Each antibody is supplied as a 50X stock; enough for 25 assays when used in 500 µL staining volume per assay.

 

Other Supplies Required

Reagents

  • Stem cell culture media

Materials

  • Human pluripotent stem cells
  • Pipettes and pipette tips
  • Serological pipettes

Equipment

  • 37 °C and 5% CO2 incubator
  • Fluorescence microscope

 

Procedure Overview

To ensure sterility of cultures, all steps should be performed under sterile conditions.

Note: Culture with antibodies does not affect cell proliferation or stemness as assayed by proliferation curves and expression levels of SSEA-4, SSEA-1, and Oct-3/4 three days post-antibody incubation.

Add primary antibodies in appropriate culture media to cells.

 

Incubate for 30 minutes.

Add primary antibodies in appropriate culture media to cells.

Replace with fresh culture media.

Replace with fresh culture media.

Visualize using a fluorescence microscope.

Visualize using a fluorescence microscope.

Citation for GloLIVE Human Pluripotent Stem Cell Live Cell Imaging Kit

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citation: Showing 1 - 1

  1. Comparative roadmaps of reprogramming and oncogenic transformation identify Bcl11b and Atoh8 as broad regulators of cellular plasticity
    Authors: A Huyghe, G Furlan, J Schroeder, E Cascales, A Trajkova, M Ruel, F Stüder, M Larcombe, YB Yang Sun, F Mugnier, L De Matteo, A Baygin, J Wang, Y Yu, N Rama, B Gibert, J Kielbassa, L Tonon, P Wajda, N Gadot, M Brevet, M Siouda, P Mulligan, R Dante, P Liu, H Gronemeyer, M Mendoza-Pa, JM Polo, F Lavial
    Nature Cell Biology, 2022-09-08;24(9):1350-1363.  2022-09-08

FAQs

  1. What is the recommended starting confluence to observe staining?

    • The optimal confluence would depend on the purpose of the staining. If the plan is to use all the cells in the flask after they have proliferated, then one can wait for the cells to become confluent or almost confluent (80-90% confluent) and then check the staining. If the goal is to to check on the cells mid-way through their growth and there are sufficient cells in the flask, one could check the staining then as well. The staining is not dependent on how many cells are in the flask, as long as there are sufficient cells.

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