DRAM1 (DNA damage regulated autophagy modulator 1) is a lysosomal protein that serves as a key regulator of autophagy and cellular stress responses 1. The protein functions primarily by facilitating autophagosome-lysosome fusion through direct interaction with VAMP8, a critical SNARE protein required for this process 23. DRAM1 stabilizes lysosomal VAMP8 by competitively binding to it and preventing its ubiquitin-mediated degradation by the E3 ligase STUB1/CHIP, thereby enhancing autolysosome formation 3. Beyond autophagy regulation, DRAM1 modulates cellular signaling pathways by inhibiting the PI3K-Akt-mTOR-ribosomal protein S6 pathway and affecting IGF-1 receptor activation 4. The protein also promotes contact between lysosomes and the endoplasmic reticulum through interaction with STIM1, influencing calcium homeostasis and ER stress responses 1. In disease contexts, DRAM1 shows complex roles: it promotes hepatocellular carcinoma cell extravasation and metastasis through enhanced autophagy 2, serves as a potential biomarker for diabetic foot ulcers 5, and contributes to aging-related senescence through metabolic cues 6. These findings establish DRAM1 as a multifunctional regulator linking autophagy, cellular metabolism, and disease pathogenesis.