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     Black line: Control Antigen (100 ng);Purple line: Antigen (10ng); Blue line: Antigen (50 ng); Red line:Antigen (100 ng)    

  
  

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     Immunofluorescence analysis of K562 cells using ATG2A mouse mAb (green). Blue: DRAQ5 fluorescent DNA dye. Red: Actin filaments have been labeled with Alexa Fluor- 555 phalloidin. Secondary antibody from Fisher (Cat#: 35503)    

  
  

The ATG2A antibody is a crucial tool for studying autophagy, a cellular recycling process that maintains homeostasis by degrading damaged organelles and proteins. ATG2A (Autophagy-related protein 2A) is a key player in autophagosome formation, particularly in mediating lipid transfer from the endoplasmic reticulum to expanding phagophores, the precursors of autophagosomes. It works in conjunction with WIPI4 (WD repeat domain phosphoinositide-interacting protein 4) to facilitate membrane expansion and closure during autophagy. Dysregulation of ATG2A has been linked to neurodegenerative diseases, cancer, and metabolic disorders, making it a target for therapeutic research.

ATG2A antibodies are widely used in techniques like Western blotting, immunofluorescence, and immunoprecipitation to detect protein expression, localization, and interactions. These antibodies help identify changes in ATG2A levels under stress conditions, nutrient deprivation, or disease states, providing insights into autophagy dynamics. Specificity is critical due to homology between ATG2A and its paralog ATG2B; thus, validation using knockout controls is essential. Recent studies also explore ATG2A’s non-canonical roles, such as in lipid droplet formation and viral infection responses. As autophagy research expands, ATG2A antibodies remain vital for elucidating molecular mechanisms and developing biomarkers or therapies for autophagy-related pathologies.