Abstract
Background Non-invasive 40 Hz gamma frequency stimulation has shown improved cognition and memory recall in Alzheimer’s disease (AD). Purpose The present study investigates the effects of white light stimulation at gamma frequency on SH-SY5Y cells using Delta M + BrainCare Light without causing discomfort. Methods SH-SY5Y cells were exposed to The Delta M + BrainCare Light for 15, 30, 45, and 60 minutes. The secretion of amyloid-β42 (Aβ42), p-AKT (Ser473), AKT, p-mTOR (Ser2448), mTOR, p-4E-BP1 (Thr37/46), 4E-BP1, p-tau (Thr181), and tau were analyzed. Aβ42 fibril aggregation and phagocytosis of FITC-Aβ42 in BV-2 cells were also observed. Results Delta M + BrainCare Light reduced tau, AKT, and p-mTOR and increased p-4E-BP1 in SH-SY5Y cells. Further, it inhibited secretion and aggregation of Aβ42, alongside increased phagocytosis in microglial cells. Conclusion These findings underscore the potential of the Delta M + BrainCare Light in mitigating the associated proteins and pathways implicated in AD.
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