Human/Rat PIWIL2 Antibody

(1 citations)   
  • Species Reactivity
    Human, Rat
  • Specificity
    Detects human PIWIL2 in direct ELISAs and human and rat PIWIL2 in Western blots. In direct ELISAs, less than 4% cross-reactivity with recombinant human PIWIL4 is observed.
  • Source
    Polyclonal Sheep IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    E. coli-derived recombinant human PIWIL2
    Lys216-Asp379
    Accession # Q8TC59
  • 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
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
Detection of Rat PIWIL2 by Western Blot. Western blot shows lysates of rat testis tissue. PVDF Membrane was probed with 1 µg/mL of Human PIWIL2 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF6558) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for PIWIL2 at approximately 105 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.
Preparation and Storage
  • Reconstitution
    Sterile PBS to a final concentration of 0.2 mg/mL.
  • 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: PIWIL2

PIWIL2 (PIWI [P-element-induced wimpy testis]-like 2; also HILI) is a 100-110 kDa cytosolic member of the PIWI subfamily, Argonaute family of proteins. It is expressed in the germ line, particularly in premeiotic and early meiotic germ cells, plus mesenchymal stem cells, and in select cancer stem cells such as CD44+CD24- breast cancer cells. PIWIL2 likely silences mobile genetic elements in germ cells, and appears to depress stem cell proliferation by inhibiting the expression of cell cycle genes. Human PIWIL2 is 973 amino acids (aa) in length. It contains one PAZ domain (aa 384-496) and a C-terminal PIWI domain (aa 668-959) that interact with RNA. There are multiple methylation sites on arginines. Two potential splice forms are reported, one that shows a deletion of aa 887-922, and a second that contains a 12 aa substitution for aa 486-801. Over aa 216-379, human PIWIL2 shares 96% aa identity with rat PIWIL2.

  • Long Name:
    Piwi-like Protein 2
  • Entrez Gene IDs:
    55124 (Human); 57746 (Mouse); 306011 (Rat)
  • Alternate Names:
    Cancer/testis antigen 80; CT80; CT80mili; FLJ10351; HILI; HILIMiwi like; MGC133049; MILI; PIWIL1L; PIWIL2; piwil2-like protein; piwi-like 2 (Drosophila); piwi-like protein 2
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. Differential L1 regulation in pluripotent stem cells of humans and apes.
    Authors: Marchetto M, Narvaiza I, Denli A, Benner C, Lazzarini T, Nathanson J, Paquola A, Desai K, Herai R, Weitzman M, Yeo G, Muotri A, Gage F
    Nature, 2013;503(7477):525-9.
    Species: Human
    Sample Type: Whole Cells
    Application: WB
Isotype Controls
Description Application Cat# Citations Images  

Normal Sheep IgG Control

Ctrl 5-001-A 9
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Secondary Antibodies
Description Application Cat# Citations Images  

Sheep IgG HRP-conjugated Antibody

WB, Simple Western HAF016 14  
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Donkey Anti-Sheep IgG NorthernLights™ NL557-conjugated Antibody

Flow, IHC, ICC NL010 3
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Donkey Anti-Sheep IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL011 5
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Donkey Anti-Sheep IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL012 2
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Donkey Anti-Sheep IgG Biotinylated Antibody

WB BAF016 2
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Sheep IgG (H+L) PE-conjugated Antibody

Flow F0126  
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Sheep IgG (H+L) APC-conjugated Antibody

Flow F0127  
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Sheep IgG VisUCyte HRP Polymer Antibody

IHC VC006  
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Donkey Anti-Sheep IgG (H+L) Fluorescein-conjugated Antibody

Flow F0125 1
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Donkey Anti-Sheep IgG (H+L) PerCP-conjugated Antibody

Flow F0128
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