Human Pluripotent Stem Cell Array (ARY010): R&D Systems
Kit Summary

A membrane-based antibody array for the simultaneous detection of 15 established stem cell markers.

Key Benefits

  • Verifies stem cell identity
  • Detects 15 stem cell markers simultaneously
  • Easier to perform than a Western blot
  • Requires no specialized equipment
  • The array protocol can now be performed with a smaller sample size! Save more of your valuable stem cell cultures by simultaneously detecting pluripotency and germ layer markers using lysate from only 1 well of a 24-well plate.

Why Use an Antibody Array to Detect Multiple Stem Cell Markers in Parallel?

Examining the expression profile of stem cells can be expensive, time-consuming, and can require specialized equipment. For example, microarrays are expensive and require specialized equipment. Similar expression analyses can be achieved by performing multiple immunoprecipitaions and Western blots, although these techniques are also time-consuming.

To address this need, R&D Systems offers the Proteome Profiler Human Pluripotent Stem Cell Antibody Array Kit. This rapid, sensitive, and economical multiplex assay allows users to determine if their cells express markers of pluripotency consistent with undifferentiated cells or if the cells express markers consistent with differentiation towards lineages such as the trophectoderm, ectoderm, mesoderm, and endoderm. No specialized equipment is needed as data are obtained by chemiluminescence.

The Proteome Profiler Human Pluripotent Stem Cell Antibody Array Kit:

  • Is a sensitive multiplex tool to verify stem cell identity using 15 stem cell markers.
  • Has a protocol that can be completed with just 5.5 hours of hands-on time.
  • Is more efficient than other techniques used to establish pluripotency.
  • Does not require specialized equipment.

 

Kit Contents

Each kit contains eight nitrocellulose membranes spotted with 15 different antibodies printed in duplicate to detect stem cell markers. Buffers, biotinylated detection antibodies, streptavidin-HRP, and chemiluminescent reagents are included to enable the detection of stem cell markers from cell lysates.

  • 8-well Rectangular Multi-dish
  • Human Pluripotent Stem Cell Array - 8 nitrocellulose membranes each spotted with 15 different antibodies to stem cell markers printed in duplicate
  • Array Buffer 1
  • Array Buffer 2 Concentrate (5X)
  • Array Buffer 3
  • Chemi Reagent 1
  • Chemi Reagent 2
  • Detection Antibody Cocktail, Human Pluripotent Stem Cell Array
  • Lysis Buffer 16
  • Streptavidin-HRP
  • Transparency Overlay Template
  • Wash Buffer Concentrate (25X)

Analytes Detected by this kit:

  • Oct-3/4
  • Nanog
  • SOX2
  • E-Cadherin
  • Alpha-Fetoprotein (AFP)
  • GATA-4
  • HNF-3 beta/FoxA2
  • PDX-1/IPF1
  • SOX17
  • Otx2
  • TP63/TP73L
  • Goosecoid (Gsc)
  • Snail
  • VEGF R2/KDR/Flk-1
  • HCG

Stability and Storage

Store the unopened kit at 2 °C to 8 °C. Do not use past kit expiration date.

 

Data Examples
siRNA-mediated Knockdown of PDGF R alpha, PDGF R beta, and cAbl Upregulates Expression of Pluripotent, Mesoderm, and Endoderm Markers
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siRNA-mediated Knockdown of PDGF R alpha, PDGF R beta, and cAbl Upregulates Expression of Pluripotent, Mesoderm, and Endoderm Markers. Small interfering RNAs (siRNAs) were transfected into mesenchymal stem cells by electroporation. Knockdown was verified by RT-PCR and Western blot analysis (data not shown here). Cell lysates from siRNA-treated cells were used in the Proteome Profiler Human Pluripotent Stem Cell Antibody Array (Catalog # ARY010) to examine relative expression levels of mesoderm, endoderm, and pluripotent markers. The images represent nitrocellulose membranes following chemiluminescent detection of bound analytes. Each of the array markers has duplicate spots, which are boxed to highlight their identity. A. Scrambled (Scr) siRNA-treated mesenchymal stem cells. B. Knockdown of PDGF R alpha upregulated pluripotent markers (Oct-3/4, Nanog, SOX2, and E-Cadherin) as well as markers of the mesoderm and endoderm compared to Scr. C. Knockdown of PDGF R beta upregulated expression of Snail, SOX17, VEGF R2, Oct-3/4, and Nanog compared to both Scr and PDGF R alpha knockdowns. D. Knockdown of cAbl upregulated pluripotent markers (Nanog, Oct-3/4, E-Cadherin, and SOX2) compared to Scr in addition to markers of the endoderm and mesoderm.

Adapted from Ball, S.G. et al. (2012) Stem Cells 30:548.

Abbreviations: AFP, alpha-Fetoprotein; GAPDH, Glyceraldehyde 3-Phosphate Dehydrogenase; GSC, Goosecoid; HCG, Human Chorionic Gonadotropin; HNF, Hepatocyte Nuclear Factor; PDGF R, Platelet-derived Growth Factor Receptor; Scr, scrambled; VEGF R, Vascular Endothelial Growth Factor Receptor.

 

Small Sample Lysate Volume Used to Detect Germ Layer Markers in Differentiated Human Pluripotent Stem Cells
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Small Sample Lysate Volume Used to Detect Germ Layer Markers in Differentiated Human Pluripotent Stem Cells. BG01V human embryonic stem cells were differentiated into mesoderm, endoderm, and ectoderm using the differentiation supplements included in the Human Pluripotent Stem Cell Functional Identification Kit (Catalog # SC027B). Following differentiation in a 24-well plate, a single well of confluent cells was lysed in 100 µL of lysis buffer and analyzed using the Proteome Profiler Human Pluripotent Stem Cell Antibody Array (Catalog # ARY010). The differentiation supplements upregulated expression of the germ layer markers (A) Snail, (B) Sox17, and (C) Otx2 compared to undifferentiated cells. Immunocytochemistry for the same markers (Snail, Catalog # AF3639; Sox17, Catalog # AF1924; and Otx2, Catalog # AF1979; red) followed by staining with the appropriate NorthernLights™-conjugated Secondary Antibodies and counterstaining with DAPI (blue) is consistent with data obtained by array analysis.

BG01V human embryonic stem cells are licensed from ViaCyte, Inc.

Preparation and Storage
  • Stability & Storage
    Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Background: Pluripotent Stem Cells

Embryonic stem (ES) cells are pluripotent stem cells derived from the inner cell mass of pre-implantation embryos. Induced pluripotent stem (iPS) cells can be generated by somatic cell reprogramming following the exogenous expression of specific transcription factors (Oct-3/4, KLF4, SOX2, and c-Myc). These cell types are capable of unlimited, undifferentiated proliferation in vitro and still maintain the capacity to differentiate into a wide variety of somatic cells. In this capacity, pluripotent stem cells have widespread clinical potential for the treatments of heart disease, diabetes, spinal cord injury, and a variety of neurodegenerative disorders.

R&D Systems offers a wide range of products to support pluripotent stem cell culture and differentiation. Mouse embryonic fibroblasts may be used to maintain and expand pluripotent stem cells in an undifferentiated state. We also offer defined culture media, which are specifically optimized for use with human or rodent pluripotent stem cells. In addition, R&D Systems offers a variety of products to assess differentiation status and identify specific stem cell types of interest, including panels of marker antibodies, primer pairs, multi-color flow cytometry kits, and specialized verification kits.

  • Alternate Names:
    Pluripotent Stem Cells
Assay Procedure

Refer to the product datasheet for complete product details.

Briefly, the expression of stem cell markers is assessed using the following procedure:

  • Incubate cell lysates with the antibody-spotted array
  • Add biotinylated detection antibodies
  • Add streptavidin-HRP reagents
  • Detect signal by chemiluminescence
 

 

Reagents Provided

Reagents Supplied in the Proteome Profiler Human Pluripotent Stem Cell Antibody Array Kit (Catalog # ARY010)

  • 8-well Rectangular Multi-dish
  • Human Pluripotent Stem Cell Array - 8 nitrocellulose membranes each containing 15 different antibodies to stem cell markers printed in duplicate
  • Array Buffer 1
  • Array Buffer 2 Concentrate (5X)
  • Array Buffer 3
  • Chemi Reagent 1
  • Chemi Reagent 2
  • Detection Antibody Cocktail, Human Pluripotent Stem Cell Array
  • Lysis Buffer 16
  • Streptavidin-HRP
  • Transparency Overlay Template
  • Wash Buffer Concentrate (25X)
Other Supplies Required

Reagents

  • Aprotinin
  • Leupeptin (Catalog # 1167)
  • Pepstatin (Catalog # 1190)
  • Deionized or distilled water

Materials

  • Pipettes and pipette tips
  • Gloves
  • Plastic containers with the capacity to hold 50 mL (for washing the arrays)
  • Plastic transparent sheet protector (trimmed to 10 cm x 12 cm and open on three sides)
  • Plastic wrap
  • Paper towels
  • Absorbent lab wipes
  • Autoradiography cassette
  • X-ray film (Kodak® BioMax Light-1) or equivalent
  • Flat-tipped tweezers

Equipment

  • Rocking platform shaker
  • Microcentrifuge
  • Film developer
  • Flatbed scanner with transparency adapter capable of transmission mode

 

Procedure Overview

Add 1 mL of Array Buffer to each well of an 8-well multi-dish.

Add 1 mL of Array Buffer to each well of an 8-well multi-dish.

Place each membrane that will be used in one well of the 8-well multi-dish. The number on the membrane should be facing upward.

Incubate for one hour on a rocking platform shaker. Orient the tray so that each membrane rocks end to end in its well.

Place each membrane that will be used in one well of the 8-well multi-dish.

Replace the Array Buffer with prepared samples containing cell extract, Array Buffer 1, and Lysis Buffer for a final volume of 1 mL.

Incubate overnight at 2 °C to 8 °C on a rocking platform.

Wash each array 3 times with Wash Buffer in a separate container.

Wash each well of the 8-well multi-dish.

Replace the Array Buffer with prepared samples containing cell extract, Array Buffer 1, and Lysis Buffer for a final volume of 1 mL

Add 1 mL of diluted Biotinylated Detection Antibody Cocktail into each well.

Add the array to the well.

Incubate for 1 hour on a rocking platform.

Wash each array 3 times with Wash Buffer in a separate container.

Wash each well of the 8-well multi-dish.

Add 1 mL of diluted Biotinylated Detection Antibody Cocktail into each well

Add 1 mL of diluted Streptavidin-HRP to each well.

Add the array to the diluted Streptavidin-HRP.

Incubate for 30 minutes on a rocking platform.

Wash each membrane 3 times with Wash Buffer in a separate container.

Wash each well of the 8-well multi-dish.

Add 1 mL of diluted Streptavidin-HRP to each well

Place the array on a plastic sheet protector.

Add 0.5 mL of the prepared Chemi Reagent Mix evenly onto the array.

Cover the array with the top sheet of the plastic protector and incubate for 1 minute.

Blot off excess Chemi Reagent Mix.

Wrap the array and sheet protector in plastic wrap.

Place the wrapped array in an autoradiography film cassette and expose to film.

Place the array on a plastic sheet protector
Citations:

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.

13 Citations: Showing 1 - 10
Filter your results:

Species
Sample Type
  1. Hand1 overexpression inhibits medulloblastoma metastasis
    Authors: Swapna Asuthkar
    Biochem Biophys Res Commun, 2016;0(0):. 2016
  2. Tumor-Activated Mesenchymal Stromal Cells Promote Osteosarcoma Stemness and Migratory Potential via IL-6 Secretion
    PLoS ONE, 2016;11(11):e0166500. 2016
  3. Characterization and propagation of tumor initiating cells derived from colorectal liver metastases: trials, tribulations and a cautionary note.
    Authors: James M, Howells L, Karmokar A, Higgins J, Greaves P, Cai H, Dennison A, Metcalfe M, Garcea G, Lloyd D, Berry D, Steward W, Brown K
    PLoS ONE, 2015;10(2):e0117776. 2015
  4. Increased cycling cell numbers and stem cell associated proteins as potential biomarkers for high grade human papillomavirus+ve pre-neoplastic cervical disease.
    Authors: Canham, Maurice, Charsou, Chara, Stewart, June, Moncur, Sharon, Hoodless, Laura, Bhatia, Ramya, Cong, Duanduan, Cubie, Heather, Busby-Earle, Camille, Williams, Alistair, McLoughlin, Victoria, Campbell, John D M, Cuschieri, Kate, Howie, Sarah
    PLoS ONE, 2015;9(12):e115379. 2015
  5. Human Induced Pluripotent Stem Cell-Derived Microvesicles Transmit RNAs and Proteins to Recipient Mature Heart Cells Modulating Cell Fate and Behavior.
    Authors: Bobis-Wozowicz S, Kmiotek K, Sekula M, Kedracka-Krok S, Kamycka E, Adamiak M, Jankowska U, Madetko-Talowska A, Sarna M, Bik-Multanowski M, Kolcz J, Boruczkowski D, Madeja Z, Dawn B, Zuba-Surma E
    Stem Cells, 2015;33(9):2748-61. 2015
  6. Simultaneous inhibition of EGFR/VEGFR and cyclooxygenase-2 targets stemness-related pathways in colorectal cancer cells.
    Authors: Valverde A, Penarando J, Canas A, Lopez-Sanchez L, Conde F, Hernandez V, Peralbo E, Lopez-Pedrera C, De la Haba-Rodriguez J, Aranda E, Rodriguez-Ariza A
    PLoS ONE, 2015;10(6):e0131363. 2015
  7. Sulforaphane and TRAIL induce a synergistic elimination of advanced prostate cancer stem-like cells.
    Authors: Labsch S, Liu L, Bauer N, Zhang Y, Aleksandrowicz E, Gladkich J, Schonsiegel F, Herr I
    Int J Oncol, 2014;44(5):1470-80. 2014
  8. Triptolide reverses hypoxia-induced epithelial-mesenchymal transition and stem-like features in pancreatic cancer by NF-kappaB downregulation.
    Authors: Liu L, Salnikov A, Bauer N, Aleksandrowicz E, Labsch S, Nwaeburu C, Mattern J, Gladkich J, Schemmer P, Werner J, Herr I
    Int J Cancer, 2014;134(10):2489-503. 2014
  9. Human embryonic stem cell derived mesenchymal progenitors express cardiac markers but do not form contractile cardiomyocytes.
    Authors: Raynaud C, Halabi N, Elliott D, Pasquier J, Elefanty A, Stanley E, Rafii A
    PLoS ONE, 2013;8(1):e54524. 2013
  10. The novel c-Met inhibitor cabozantinib overcomes gemcitabine resistance and stem cell signaling in pancreatic cancer.
    Authors: Hage C, Rausch V, Giese N, Giese T, Schonsiegel F, Labsch S, Nwaeburu C, Mattern J, Gladkich J, Herr I
    Cell Death Dis, 2013;4(0):e627. 2013
  11. Inhibition of platelet-derived growth factor receptor signaling regulates Oct4 and Nanog expression, cell shape, and mesenchymal stem cell potency.
    Authors: Ball SG, Shuttleworth A, Kielty CM
    Stem Cells, 2012;30(3):548-60. 2012
  12. Sox2 expression in breast tumours and activation in breast cancer stem cells.
    Authors: Leis O, Eguiara A, Lopez-Arribillaga E, Alberdi MJ, Hernandez-Garcia S, Elorriaga K, Pandiella A, Rezola R, Martin AG
    Oncogene, 2012;31(11):1354-65. 2012
  13. Cellular settings mediating Src Substrate switching between focal adhesion kinase tyrosine 861 and CUB-domain-containing protein 1 (CDCP1) tyrosine 734.
    Authors: Wortmann A, He Y, Christensen ME, Linn M, Lumley JW, Pollock PM, Waterhouse NJ, Hooper JD
    J. Biol. Chem., 2011;286(49):42303-15. 2011
Expand to show all 13 Citations
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