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Immunofluorescent analysis of GADD34 (green) in HeLa cells. Formalin-fixed cells were permeabilized with 0.1% Triton X-100 in TBS for 10 minutes at room temperature and blocked with 5% normal goat serum (Product # 31873) for 15 minutes at room temperature. Cells were probed with a GADD34 polyclonal antibody (Product # PA1-139) at a dilution of 1:50 for at least 1 hour at room temperature, washed with PBS, and incubated with DyLight 488 goat anti-rabbit IgG secondary antibody (Product # 35552) at a dilution of 1:500 for 30 minutes at room temperature. F-actin (red) was stained with DyLight 650 Phalloidin (Product # 21838) and nuclei (blue) were stained with Hoechst 33342 dye (Product # 62249). Images were taken on a Thermo Scientific ArrayScan or ToxInsight Instrument at 20X magnification.
|Tested species reactivity||Human|
|Host / Isotype||Rabbit / IgG|
|Immunogen||A synthetic peptide corresponding to amino acids C R(595) I T Q A Q E E L S P C L T P A A R(612) from human GADD34|
|Purification||Antigen affinity chromatography|
|Storage buffer||PBS with 1mg/ml BSA|
|Contains||0.05% sodium azide|
|Tested Applications||Dilution *|
|Immunofluorescence (IF)||1:50 - 1:100|
|Western Blot (WB)||1:250 - 1:1000|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
Western blot analysis of PA1-139 detects an ~73 kDa protein in HeLa cells. PA1-139 shows specificity to GADD34 and can be blocked by incubating with an abundance of the immunizing peptide.
Recruits the serine/threonine-protein phosphatase PP1 to dephosphorylate the translation initiation factor eIF-2A/EIF2S1, thereby reversing the shut-off of protein synthesis initiated by stress-inducible kinases and facilitating recovery of cells from stress. Down-regulates the TGF-beta signaling pathway by promoting dephosphorylation of TGFB1 by PP1. May promote apoptosis by inducing TP53 phosphorylation on 'Ser-15'.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Growth arrest and DNA damage-inducible protein GADD34; growth arrest and DNA-damage-inducible 34; Myeloid differentiation primary response protein MyD116 homolog; PPP1R15A; PR15A; Protein phosphatase 1 regulatory subunit 15A; protein phosphatase 1, regulatory (inhibitor) subunit 15A; protein phosphatase 1, regulatory subunit 15A