Human/Mouse/Rat Phospho-GSK-3 alpha (S21) Antibody

(1 citations)   
  • Species Reactivity
    Human, Mouse, Rat
  • Specificity
    Detects human, mouse, and rat GSK-3 alpha when phosphorylated at S21. This antibody does not detect phosphorylated GSK-3 beta.
  • Source
    Polyclonal Rabbit IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    Phosphopeptide containing human, mouse, and rat GSK-3 alpha S21 site
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    1 µg/mL
    See below
  • Immunohistochemistry
    5-15 µg/mL
    See below
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
Immunohistochemistry
GSK‑3 alpha in Human Thymus. GSK‑3 alpha was detected in immersion fixed paraffin-embedded sections of human thymus using 5 µg/mL Human/Mouse/Rat Phospho-GSK‑3 alpha (S21) Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4125) overnight at 4 °C. Before incubation with the primary antibody tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (Catalog # CTS013). Tissue was stained with the Anti-Rabbit HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS005) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
Detection of Human and Mouse Phospho-GSK‑3 alpha (S21) by Western Blot. Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line untreated (-) or treated (+) with 200 nM PMA for 20 minutes and MCF‑7 human breast cancer cell line untreated or treated with 100 ng/mL Recombinant Human IGF-1 (Catalog # 291-G1) for 15 minutes and NIH‑3T3 mouse embryonic fibroblast cell line untreated or treated with 10 ng/mL PMA for 20 minutes. PVDF membrane was probed with 1 µg/mL of Human/Mouse/Rat Phospho-GSK‑3 alpha (S21) Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4125), followed by HRP-conjugated Anti-Rabbit IgG Secondary Antibody (Catalog # HAF008). A specific band was detected for Phospho-GSK‑3 alpha (S21) at approximately 51 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 12 months from date of receipt, -20 to -70 °C as supplied.
    • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: GSK-3 alpha

Glycogen Synthase Kinase-3 (GSK-3) is a serine/threonine kinase initially identified as an inhibitor of glycogen synthase. Two isoforms (GSK-3 alpha and GSK-3 beta ) share 85% amino acid identity. GSK-3 alpha is inhibited by phosphorylation at S21 by Akt and other kinases. Deregulated GSK-3 has been implicated in several diseases including type II diabetes, Alzheimer’s disease, bipolar disorder, and cancer.

  • Long Name:
    Glycogen Synthase Kinase 3 alpha
  • Entrez Gene IDs:
    2931 (Human); 606496 (Mouse); 50686 (Rat)
  • Alternate Names:
    DKFZp686D0638; EC 2.7.11; EC 2.7.11.26; glycogen synthase kinase 3 alpha; glycogen synthase kinase-3 alpha; GSK3 alpha; GSK-3 alpha; GSK3A
Related Research Areas
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.

1 Citations: Showing 1 - 1

  1. Mechanism and management of AKT inhibitor-induced hyperglycemia.
    Authors: Crouthamel MC, Kahana JA, Korenchuk S, Zhang SY, Sundaresan G, Eberwein DJ, Brown KK, Kumar R
    Clin. Cancer Res., 2009;15(1):217-25.
    Species: Mouse
    Sample Type: Tissue Homogenates
    Application: WB
Cell and Tissue Staining Kits
Description Application Cat# Citations Images  

Anti-Rabbit HRP-DAB Cell & Tissue Staining Kit

CTS005 3
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Anti-Rabbit HRP-AEC Cell & Tissue Staining Kit

CTS006 3
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Immunohistochemistry Reagents
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Antigen Retrieval Reagent-Universal

CTS015 10
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Antigen Retrieval Reagent-Basic

CTS013 4
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Mounting Medium

CTS011 4
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Antigen Retrieval Reagent Sampler (50 mL each)

CTS016
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Antigen Retrieval Reagent-Acidic

CTS014
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NorthernLights Guard Mounting Media

NL996
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VisUCyte Antigen Retrieval Reagent-Acidic

VCTS022
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VisUCyte Antigen Retrieval Reagent-Basic

VCTS021
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VisUCyte Antigen Retrieval Reagent-Universal

VCTS023
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Isotype Controls
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Normal Rabbit IgG Control

Ctrl AB-105-C 43  
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Normal Rabbit IgG Control

Ctrl, CyTOF-ready MAB1050  
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Secondary Antibodies
Description Application Cat# Citations Images  

Rabbit IgG HRP-conjugated Antibody

WB HAF008 23  
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Donkey Anti-Rabbit IgG NorthernLights™ NL557-conjugated Antibody

Flow, IHC, ICC NL004 10
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Donkey Anti-Rabbit IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL005 2
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Rabbit IgG APC-conjugated Antibody

Flow F0111 1  
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Rabbit IgG PE-conjugated Antibody

Flow F0110 2  
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Rabbit IgG Fluorescein-conjugated Antibody

Flow F0112 5  
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Donkey Anti-Rabbit IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL006 4
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Goat Anti-Rabbit IgG Biotinylated Antibody

WB BAF008 4
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Mouse/Rabbit IgG VisUCyte HRP Polymer Antibody

IHC VC002  
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Rabbit IgG Antibody

WB AF008 1
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Rabbit IgG VisUCyte HRP Polymer Antibody

IHC VC003  
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Donkey Anti-Rabbit IgG (H+L) Antibody

D-301-C-ABS2
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