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<p>Alzheimer’s disease (AD) is a progressive neurodegenerative disorder marked by cognitive decline, memory impairment, and accumulation of amyloid-β (Aβ) plaques. While current treatments offer limited efficacy, medicinal plants such as <i>Ficus deltoidea</i> (FD), a traditional remedy, have shown promise due to their neuroprotective and anti-inflammatory properties. An AD-like phenotype was induced in male Wistar rats using D-galactose and aluminum chloride over 70&#xa0;days. FD extract was administered orally at 50, 100, and 200&#xa0;mg/kg. Spatial memory was evaluated using the T-maze test. Histological analyses of the hippocampi’s Cornu Ammonis 1 and 3 (CA1 and CA3) regions were conducted via hematoxylin and eosin (H&amp;E) staining, and Aβ plaques deposition was assessed with Congo red. Enzyme-linked immunosorbent assay (ELISA) was used to quantify hippocampal levels of Aβ (1–42) and β-secretase-1 (BACE-1). FD treatment significantly enhanced spatial memory, preserved pyramidal neuron integrity in CA1 and CA3, and reduced amyloid plaque formation. Biochemically, FD markedly decreased hippocampal Aβ (1–42) and BACE-1 concentrations in a dose-dependent manner. Thus, FD exhibits multi-target neuroprotective effects in an AD-like model, potentially via modulation of amyloidogenic pathways. Further studies are warranted to explore its mechanisms and therapeutic potential in other brain regions implicated in AD.</p>

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Neuroprotective Effects of Ficus deltoidea in Alzheimer’s Disease-Like Rat Model: Insights from Behavior, Histology, and Amyloid Pathology

  • 期刊论文

  • 发表日期：

    2026年1月6日

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  • Abdulhamid Sani Usman,
  • Sushmitaa Dhevii Manoharan,
  • Che Mohd Nasril Che Mohd Nassir,
  • Hafizah Abdul Hamid,
  • Zaw Myo Hein,
  • Anwar Norazit,
  • Jayakumar Murthy,
  • Murizal Zainol,
  • Mohd Amir Kamaruzzaman,
  • Samaila Musa Chiroma,
  • Muzaimi Mustapha,
  • Mohamad Aris Mohd Moklas,
  • Muhammad Zulfadli Mehat

摘要

Alzheimer’s disease (AD) is a progressive neurodegenerative disorder marked by cognitive decline, memory impairment, and accumulation of amyloid-β (Aβ) plaques. While current treatments offer limited efficacy, medicinal plants such as Ficus deltoidea (FD), a traditional remedy, have shown promise due to their neuroprotective and anti-inflammatory properties. An AD-like phenotype was induced in male Wistar rats using D-galactose and aluminum chloride over 70 days. FD extract was administered orally at 50, 100, and 200 mg/kg. Spatial memory was evaluated using the T-maze test. Histological analyses of the hippocampi’s Cornu Ammonis 1 and 3 (CA1 and CA3) regions were conducted via hematoxylin and eosin (H&E) staining, and Aβ plaques deposition was assessed with Congo red. Enzyme-linked immunosorbent assay (ELISA) was used to quantify hippocampal levels of Aβ (1–42) and β-secretase-1 (BACE-1). FD treatment significantly enhanced spatial memory, preserved pyramidal neuron integrity in CA1 and CA3, and reduced amyloid plaque formation. Biochemically, FD markedly decreased hippocampal Aβ (1–42) and BACE-1 concentrations in a dose-dependent manner. Thus, FD exhibits multi-target neuroprotective effects in an AD-like model, potentially via modulation of amyloidogenic pathways. Further studies are warranted to explore its mechanisms and therapeutic potential in other brain regions implicated in AD.