Text this: The Neuroprotective Effects of Agomelatine in a 3‑Nitropropionic Acid-Induced Rat Model of Huntington's Disease via Brain-Derived Neurotrophic Factor (BDNF)/tropomyosin-Related Kinase Receptor Type B (TrKB)/Phosphoinositide 3‑Kinase (PI3K)/Protein Kinase B (AKT) Activation and Rho-Associated Protein Kinase 1 (ROCK1) Pathway Inhibition.