Cited by 52Alzheimer's disease research and treatmentsMedicinal Plants and NeuroprotectionNeurological Disorders and Treatments

Genistein Suppresses the Mitochondrial Apoptotic Pathway in Hippocampal Neurons in Rats with Alzheimer's Disease

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Cai, Biao, Wang, Yan, Shao, Jing, Wang, Ting-ting, Cai, Run-ze, Ma, Chang-ju, Han, Tao, Du, Jun·2016·Neural Regeneration Research

Abstract

Genistein is effective against amyloid-β toxicity, but the underlying mechanisms are unclear. We hypothesized that genistein may protect neurons by inhibiting the mitochondrial apoptotic pathway, and thereby play a role in the prevention of Alzheimer's disease. A rat model of Alzheimer's disease was established by intraperitoneal injection of D-galactose and intracerebral injection of amyloid-β peptide (25-35). In the genistein treatment groups, a 7-day pretreatment with genistein (10, 30, 90 mg/kg) was given prior to establishing Alzheimer's disease model, for 49 consecutive days. Terminal deoxyribonucleotidyl transferase-mediated dUTP nick end labeling assay demonstrated a reduction in apoptosis in the hippocampus of rats treated with genistein. Western blot analysis showed that expression levels of capase-3, Bax and cytochrome c were decreased compared with the model group. Furthermore, immunohistochemical staining revealed reductions in cytochrome c and Bax immunoreactivity in these rats. Morris water maze revealed a substantial shortening of escape latency by genistein in Alzheimer's disease rats. These findings suggest that genistein decreases neuronal loss in the hippocampus, and improves learning and memory ability. The neuroprotective effects of genistein are associated with the inhibition of the mitochondrial apoptotic pathway, as shown by its ability to reduce levels of caspase-3, Bax and cytochrome c.

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  • In diabetic mice, genistein and some derivatives improve cognitive dysfunction by inhibiting AChE and modulating Ca2+ homeostasis in cholinergic neurons.

    “in diabetic mice genistein (Pedersen et al., 1996; Wang et al., 2016), as well as some of its derivatives (Qiang et al., 2014), can improve cognitive dysfunction by inhibiting the activity of AChE and by the modulation of Ca2+ homeostasis in cholinergic neurons (Jhamandas et al., 2001)”

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Authors
Cai, B., Wang, Y., Shao, J., Wang, T.-T., Cai, R.-Z., Ma, C.-J., Han, T., & Du, J.
Affiliations
Anhui University of Traditional Chinese Medicine (CN)
Corresponding author
Cai, Biao
Venue
Neural Regeneration Research
Published
2016
Volume
11
Issue
7
Pages
1153
ISSN
1673-5374 (ISSN-L)
OpenAlex
W2497199157
Cited by
52
References
35
Citations by year
2026: 2 · 2025: 5 · 2024: 4 · 2023: 4 · 2022: 8 · 2021: 4 · 2020: 6 · 2019: 8 · 2018: 4 · 2017: 6 · 2016: 1
FWCI
5.10
Type
journal article
Language
en
Open access
Licence
cc-by-nc-sa
Locations
  • Neural Regeneration Research (publishedVersion, cc-by-nc-sa)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion, cc-by-nc-sa)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Complementary and alternative medicine › Medicinal Plants and Neuroprotection
  • Life Sciences › Neuroscience › Neurology › Neurological Disorders and Treatments
Keywords
genistein, Alzheimer's disease, mitochondrial apoptosis, hippocampal neurons, neuroprotection, amyloid-beta, galactose, caspase-3, Bax, cytochrome c, learning and memory, neuronal loss

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