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54831
PhosphoPlus® Beclin-1 (Ser30) Antibody Duet
Primary Antibodies
Antibody Duet

PhosphoPlus® Beclin-1 (Ser30) Antibody Duet #54831

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PhosphoPlus® Beclin-1 (Ser30) Antibody Duet: Image 1
Western blot analysis of extracts from various cell lines using Beclin-1 (D40C5) Rabbit mAb.
PhosphoPlus® Beclin-1 (Ser30) Antibody Duet: Image 2
Western blot analysis of extracts from HCT 116 cells, untreated (-) or treated with Torin 1 #14379 (250 nM, 2 hr; +) and/or the ULK1 inhibitor SBI-0206965 #29089 (50 μM, 2 hr; +) as indicated, using Phospho-Beclin-1 (Ser30) (E1C4X) Rabbit mAb (upper), Beclin-1 (D40C5) Rabbit mAb #3495 (middle), and GAPDH (D16H11) XP® Rabbit mAb #5174 (lower).
PhosphoPlus® Beclin-1 (Ser30) Antibody Duet: Image 3
Western blot analysis of extracts from HeLa cells, transfected with 100 nM SignalSilence® Control siRNA (Unconjugated) #6568 (-), SignalSilence® Beclin-1 siRNA I #6222 (+) or SignalSilence® Beclin-1 siRNA II (+), using Beclin-1 (D40C5) XP® Rabbit mAb #3495 (upper) or α-Tubulin (11H10) Rabbit mAb #2125 (lower). The Beclin-1 (D40C5) XP® Rabbit mAb confirms silencing of Beclin-1 expression, while the α-Tubulin (11H10) Rabbit mAb is used to control for loading and specificity of Beclin-1 siRNA.
PhosphoPlus® Beclin-1 (Ser30) Antibody Duet: Image 4
Western blot analysis of extracts from C2C12 and H-4-II-E cells, untreated (-) or treated with Torin 1 #14379 (250 nM, 2 hr; +), using Phospho-Beclin-1 (Ser30) (E1C4X) Rabbit mAb (upper), Beclin-1 (D40C5) Rabbit mAb #3495 (middle), and GAPDH (D16H11) XP® Rabbit mAb #5174 (lower).
PhosphoPlus® Beclin-1 (Ser30) Antibody Duet: Image 5
Western blot analysis of extracts from 293T cells, mock transfected (-) or transfected with constructs expressing Myc/DDK-tagged full-length human Beclin-1 protein (hBeclin-1-Myc/DDK; +) and/or mouse ULK1 protein (mULK1; +), using Phospho-Beclin-1 (Ser30) (E1C4X) Rabbit mAb (upper) and GAPDH (D16H11) XP® Rabbit mAb #5174 (lower).
PhosphoPlus® Beclin-1 (Ser30) Antibody Duet: Image 6
Immunoprecipitation of phospho-Beclin-1 (Ser30) from HCT 116 cell extracts treated with Torin 1 #14379 (250 nM, 2 hr). Lane 1 is 10% input, lane 2 is Rabbit (DA1E) mAb IgG XP® Isotype Control #3900, and lane 3 is Phospho-Beclin-1 (Ser30) (E1C4X) Rabbit mAb. Western blot analysis was performed using Phospho-Beclin-1 (Ser30) (E1C4X) Rabbit mAb. Mouse Anti-rabbit IgG (Conformation Specific) (L29A9) mAb (HRP Conjugate) #5127 was used as a secondary antibody.
To Purchase # 54831
Cat. # Size Qty. Price
54831S
1 Kit N/A

Product Description

PhosphoPlus® Duets from Cell Signaling Technology (CST) provide a means to assess protein activation status. Each Duet contains an activation-state and total protein antibody to your target of interest. These antibodies have been selected from CST's product offering based upon superior performance in specified applications.

Background

Autophagy is a catabolic process for the autophagosomic-lysosomal degradation of proteins activated in response to nutrient deprivation and in neurodegenerative conditions (1). One of the proteins critical to this process is Beclin-1, the mammalian orthologue of the yeast autophagy protein Apg6/Vps30 (2). Beclin-1 can complement defects in yeast autophagy caused by loss of Apg6 and can also stimulate autophagy when overexpressed in mammalian cells (3). Mammalian Beclin-1 was originally isolated in a yeast two-hybrid screen for Bcl-2 interacting proteins and has been shown to interact with Bcl-2 and Bcl-xL, but not with Bax or Bak (4). While Beclin-1 is generally ubiquitously expressed, research studies have shown it is monoallelically deleted in 40-75% of sporadic human breast and ovarian cancers (5). Beclin-1 is localized within cytoplasmic structures including the mitochondria, although overexpression of Beclin-1 reveals some nuclear staining and CRM1-dependent nuclear export (6). Investigators have demonstrated that Beclin-1-/- mice die early in embryogenesis and Beclin-1-/+ mice have a high incidence of spontaneous tumors. Stem cells from the null mice demonstrate an altered autophagic response, although responses to apoptosis appeared normal (7). Researchers have also found that overexpression of Beclin-1 in virally infected neurons in vivo resulted in significant protection against Sindbis virus-induced disease and neuronal apoptosis (4).
ULK1 phosphorylates Beclin-1 at Ser30 to induce autophagy in response to amino acid starvation, mTORC1 inhibition, and hypoxia (8).
  1. Reggiori, F. and Klionsky, D.J. (2002) Eukaryot Cell 1, 11-21.
  2. Kametaka, S. et al. (1998) J Biol Chem 273, 22284-91.
  3. Liang, X.H. et al. (1999) Nature 402, 672-6.
  4. Liang, X.H. et al. (1998) J Virol 72, 8586-96.
  5. Aita, V.M. et al. (1999) Genomics 59, 59-65.
  6. Liang, X.H. et al. (2001) Cancer Res 61, 3443-9.
  7. Yue, Z. et al. (2003) Proc Natl Acad Sci USA 100, 15077-82.
  8. Park, J.M. et al. (2018) Autophagy 14, 584-597.

Pathways & Proteins

Explore pathways + proteins related to this product.

Limited Uses

Except as otherwise expressly agreed in a writing signed by a legally authorized representative of CST, the following terms apply to Products provided by CST, its affiliates or its distributors. Any Customer's terms and conditions that are in addition to, or different from, those contained herein, unless separately accepted in writing by a legally authorized representative of CST, are rejected and are of no force or effect.

Products are labeled with For Research Use Only or a similar labeling statement and have not been approved, cleared, or licensed by the FDA or other regulatory foreign or domestic entity, for any purpose. Customer shall not use any Product for any diagnostic or therapeutic purpose, or otherwise in any manner that conflicts with its labeling statement. Products sold or licensed by CST are provided for Customer as the end-user and solely for research and development uses. Any use of Product for diagnostic, prophylactic or therapeutic purposes, or any purchase of Product for resale (alone or as a component) or other commercial purpose, requires a separate license from CST. Customer shall (a) not sell, license, loan, donate or otherwise transfer or make available any Product to any third party, whether alone or in combination with other materials, or use the Products to manufacture any commercial products, (b) not copy, modify, reverse engineer, decompile, disassemble or otherwise attempt to discover the underlying structure or technology of the Products, or use the Products for the purpose of developing any products or services that would compete with CST's products or services, (c) not alter or remove from the Products any trademarks, trade names, logos, patent or copyright notices or markings, (d) use the Products solely in accordance with CST's Product Terms of Sale and any applicable documentation, and (e) comply with any license, terms of service or similar agreement with respect to any third party products or services used by Customer in connection with the Products.

For Research Use Only. Not For Use In Diagnostic Procedures.
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
PhosphoPlus is a trademark of Cell Signaling Technology, Inc.
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