Cited by 46Neurological Disorders and TreatmentsMedicinal Plants and NeuroprotectionPhytochemicals and Antioxidant Activities

Neuroprotection by Genipin against Reactive Oxygen and Reactive Nitrogen Species-Mediated Injury in Organotypic Hippocampal Slice Cultures

Hughes, Rebecca H., Silva, Victoria A., Ahmed, Ijaz, Shreiber, David I., Morrison, Barclay·2014·Brain Research

Abstract

Genipin, the multipotent ingredient in Gardenia jasmenoides fruit extract (GFE), may be an effective candidate for treatment following stroke or traumatic brain injury (TBI). Secondary injury includes damage mediated by reactive oxygen species (ROS) and reactive nitrogen species (RNS), which can alter the biological function of key cellular structures and eventually lead to cell death. In this work, we studied the neuroprotective potential of genipin against damage stemming from ROS and RNS production in organotypic hippocampal slice cultures (OHSC), as well as its potential as a direct free radical scavenger. A 50 µM dose of genipin provided significant protection against tert-butyl hydroperoxide (tBHP), a damaging organic peroxide. This dosage of genipin significantly reduced cell death at 48 h compared to vehicle control (0.1% DMSO) when administered 0, 1, 6, and 24 h after addition of tBHP. Similarly, genipin significantly reduced cell death at 48 h when administered 0, 1, 2, and 6h after addition of rotenone, which generates reactive oxygen species via a more physiologically relevant mechanism. Furthermore, genipin significantly reduced both cell death and nitrite levels at 24 h caused by S-nitroso-N-acetylpenicillamine (SNAP), a direct nitric oxide (NO) donor, and successfully quenched 1,1-Diphenyl-2-picryl-hydrazyl (DPPH), a stable free radical, suggesting that genipin may act as a direct free radical scavenger. Our encouraging findings suggest that genipin should be tested in animal models of CNS injury with a significant component of ROS- and RNS-mediated damage, such as TBI and stroke, to assess its in vivo efficacy.

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Crossref · 10.1016/j.brainres.2013.11.020

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Authors
Hughes, R. H., Silva, V. A., Ahmed, I., Shreiber, D. I., & Morrison, B.
Affiliations
  • Columbia University (US)
  • Rutgers, The State University of New Jersey (US)
Corresponding author
Morrison, Barclay
Venue
Brain Research
Publisher
Elsevier BV
Published
2014-01
Volume
1543
Pages
308-314
ISSN
0006-8993 (ISSN-L)
OpenAlex
W1994631252
Cited by
46
References
38
Citations by year
2026: 1 · 2025: 2 · 2024: 1 · 2023: 5 · 2022: 3 · 2021: 4 · 2020: 3 · 2019: 4 · 2018: 4 · 2017: 6 · 2016: 3 · 2015: 7 · 2014: 3
FWCI
2.43
Type
journal article
Language
en
Open access
closed
Locations
  • Brain Research (publishedVersion)
  • PubMed (publishedVersion)
  • Rutgers University Community Repository (Rutgers University) (submittedVersion)
Funders
New Jersey Commission on Brain Injury Research (10-3215-BIR-E-0)
Topics
  • Life Sciences › Neuroscience › Neurology › Neurological Disorders and Treatments
  • Health Sciences › Medicine › Complementary and alternative medicine › Medicinal Plants and Neuroprotection
  • Health Sciences › Medicine › Biochemistry › Phytochemicals and Antioxidant Activities
Keywords
genipin, neuroprotection, reactive oxygen species, reactive nitrogen species, oxidative stress, nitric oxide, free radical scavenging, organotypic hippocampal slice cultures, tert-butyl hydroperoxide, rotenone, SNAP, DPPH, traumatic brain injury, stroke, secondary brain injury, Gardenia jasminoides
MeSH terms
Analysis of Variance, Animals, Animals, Newborn, Ascorbic Acid, Biphenyl Compounds, Dose-Response Relationship, Drug, Hippocampus, Insecticides, Organ Culture Techniques, Picrates, Rotenone, Time Factors, Cell Death, Reactive Oxygen Species, Neuroprotective Agents, Nitric Oxide Donors, Reactive Nitrogen Species, S-Nitroso-N-Acetylpenicillamine, Iridoids

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