This Beclin 1 antibody is useful for Western blot, where a band is observed at ~52 kDa representing Beclin 1. There is also a higher MW non-specific band at ~66 kDa. Use in Immunocytochemistry/immunofluorescence reported in scientific literature (PMID: 23877263)
52 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Beclin 1 is the first identified mammalian gene to mediate autophagy and also has tumor suppressor and antiviral function. Autophagy, a process of bulk protein degradation through an autophagosomic-lysosomal pathway, is important for differentiation, survival during nutrient deprivation, and normal growth control, and is often defective in tumor cells. Beclin 1 was originally isolated in a yeast two hybrid screen to identify Bcl-2-binding partners and maps to a tumor susceptibility locus on human chromosome 17q21 that is frequently monoallelically deleted in human breast, ovarian and prostate cancer. Beclin 1 encodes an evolutionarily conserved 60 kDa coiled coil protein that is expressed in human muscle, epithelial cells and neurons. In gene transfer studies, beclin 1 promotes nutrient deprivation-induced autophagy, inhibits mammary tumorigenesis, and inhibits viral replication. Expression of the Beclin 1 protein is frequently decreased in malignant breast epithelial cells. Based upon these observations, it is speculated that beclin 1 may work through induction of autophagy to negatively regulate tumorigenesis and to control viral infections. Beclin 1 may also play a role in other biologic processes in which autophagy is important such as cell differentiation and nutritional stress responses.
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.
ATG9A - early marker autophagosome assembly ATG9A is the only essential integral membrane protein involved in autophagy. ATG9A contains six transmembrane domains and initiates the assembly of autophagosomes. The autophagosome is a double-membrane structure that engulfs and eventually degrade... Read full blog post.
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