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Chockalingam Ramanathan

2 papers in the library · 41 citations · publishing 2024-2026

Papers

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The mPFC molecular clock mediates the effects of sleep deprivation on depression-like behavior and regulates sleep consolidation and homeostasis

Molecular Psychiatry March 1, 2026 Wilf Gardner, David H. Sarrazin, Martin Balzinger et al.

Disruptions in sleep, circadian rhythms, and neural plasticity are closely linked to the pathophysiology and treatment of depression. Acute sleep deprivation (SD) produces rapid but transient antidepressant effects, yet the underlying mechanisms remain poorly understood. Using a mouse model of stress-induced depression, we found altered sleep architecture, impaired sleep homeostasis, and...

Prefrontal cortex molecular clock modulates development of depression-like phenotype and rapid antidepressant response in mice.

Nature Communications August 23, 2024 David H. Sarrazin, Wilf Gardner, Carole Marchese et al. 41 citations

Depression is associated with dysregulated circadian rhythms, but the role of intrinsic clocks in mood-controlling brain regions remains poorly understood. We found increased circadian negative loop and decreased positive clock regulators expression in the medial prefrontal cortex (mPFC) of a mouse model of depression, and a subsequent clock countermodulation by the rapid antidepressant...