Product Pathways - Autophagy Signaling
Rubicon (D8B2) Rabbit mAb #7151
|7151S||100 µl (10 western blots)||---||In Stock||---|
|7151||carrier free and custom formulation / quantity||email request|
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Species cross-reactivity is determined by western blot.
Applications Key: W=Western Blotting
Specificity / Sensitivity
Rubicon (D8B2) Rabbit mAb recognizes endogenous levels of total Rubicon protein. Background bands of unknown origin are detected between 60 and 65 kDa.
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues near the carboxy terminus of human Rubicon protein.
Western blot analysis of extracts from 293T cells, mock transfected (-) or transfected with human Rubicon (hRubicon, +), using Rubicon (D8B2) Rabbit mAb. Rubicon construct was kindly provided by Dr. Qing Zhong, University of California, Berkeley, CA.
Autophagy is a catabolic process for the autophagosomic-lysosomal degradation of bulk cytoplasmic contents (1,2). Autophagy is generally activated by conditions of nutrient deprivation but is also associated with a number of physiological processes including development, differentiation, neurodegeneration, infection, and cancer (3). The molecular machinery of autophagy was largely discovered in yeast and is directed by a number of autophagy-related (Atg) genes. These proteins are involved in the formation of autophagosomes, which are cytoplasmic vacuoles that are delivered to lysosomes for degradation. The class III type phosphoinositide 3-kinase (PI3K) Vps34 regulates vacuolar trafficking and autophagy (4,5). Multiple proteins associate with Vps34, including p105/Vps15, Beclin-1, UVRAG, Atg14, and Rubicon (6-12). Atg14 and Rubicon were identified based on their ability to bind to Beclin-1 and participate in unique complexes with opposing functions (9-12). Rubicon, which localizes to the endosome and lysosome, inhibits Vps34 lipid kinase activity; knockdown of Rubicon enhances autophagy and endocytic trafficking (11,12). In contrast, Atg14 localizes to autophagosomes, isolation membranes, and ER and can enhance Vps34 activity. Knockdown of Atg14 inhibits starvation-induced autophagy (11,12).
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