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Keywords = Garcinia nigrolineata

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18 pages, 3449 KB  
Article
Antidepressant-like Effects of Garcinia nigrolineata Resin Extract in a Chronic Mild Stress Mouse Model: Modulation of Monoaminergic and HPA-Axis Pathways
by Yutthana Chotritthirong, Yaowared Sumanont, Supawadee Daodee, Abdulwaris Mading, Chantana Boonyarat, Charinya Khamphukdee, Decha Kumla, Juthamart Maneenet, Kinzo Matsumoto, Anake Kijjoa, Suresh Awale and Orawan Monthakantirat
Plants 2025, 14(23), 3651; https://doi.org/10.3390/plants14233651 - 30 Nov 2025
Cited by 1 | Viewed by 3449
Abstract
The resin extract of Garcinia nigrolineata (GNR-E), a tropical plant used in Southeast Asian traditional medicine, was evaluated for its antidepressant-like effects in a chronic mild stress (CMS) mouse model, with imipramine as a reference drug. GNR-E dose-dependently alleviated CMS-induced anhedonia (sucrose preference [...] Read more.
The resin extract of Garcinia nigrolineata (GNR-E), a tropical plant used in Southeast Asian traditional medicine, was evaluated for its antidepressant-like effects in a chronic mild stress (CMS) mouse model, with imipramine as a reference drug. GNR-E dose-dependently alleviated CMS-induced anhedonia (sucrose preference test) and behavioral despair (forced swimming and tail suspension tests). Neurochemical analyses revealed that GNR-E increased serotonin (5-HT) and norepinephrine (NE) levels, reduced expression of their transporters (SERT, NET) and receptors (5-HT1A, 1B, 2A, 2C, 7; α2A, 2C) in the frontal cortex and hippocampus, and normalized HPA-axis hyperactivity by lowering serum corticosterone and modulating glucocorticoid receptor (GR) and SGK-1 mRNA expression. In vitro, GNR-E inhibited monoamine oxidase (MAO)-A and -B (Ki = 2.33 and 1.55 µg/mL, respectively). Phytochemical analysis identified xanthones, particularly cowanin, as key constituents. These findings highlight GNR-E’s potential as a novel plant-based antidepressant, warranting further investigation into its active compounds and clinical applications. Full article
(This article belongs to the Section Phytochemistry)
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17 pages, 2070 KB  
Article
Effects of the Bark Resin Extract of Garcinia nigrolineata on Chronic Stress-Induced Memory Deficit in Mice Model and the In Vitro Monoamine Oxidases and β-Amyloid Aggregation Inhibitory Activities of Its Prenylated Xanthone Constituents
by Charinya Khamphukdee, Ibrahim Turkmani, Yutthana Chotritthirong, Yaowared Chulikhit, Chantana Boonyarat, Nazim Sekeroglu, Artur M. S. Silva, Orawan Monthakantirat and Anake Kijjoa
Molecules 2022, 27(9), 3014; https://doi.org/10.3390/molecules27093014 - 7 May 2022
Cited by 8 | Viewed by 4214
Abstract
The present study describes investigation of the effects of the bark resin extract of Garcinia nigrolineata (Clusiaceae) on the cognitive function and the induction of oxidative stress in both frontal cortex and hippocampus by unpredictable chronic mild stress (UCMS). By using behavioral mouse [...] Read more.
The present study describes investigation of the effects of the bark resin extract of Garcinia nigrolineata (Clusiaceae) on the cognitive function and the induction of oxidative stress in both frontal cortex and hippocampus by unpredictable chronic mild stress (UCMS). By using behavioral mouse models, i.e., the Y-maze test, the Novel Object Recognition Test (NORT), and the Morris Water Maze Test (MWMT), it was found that the negative impact of repeated mild stress-induced learning and memory deficit through brain oxidative stress in the UCMS mice was reversed by treatment with the bark resin extract G. nigrolineata. Moreover, the prenylated xanthones viz. cowagarcinone C, cowaxanthone, α-mangostin, cowaxanthone B, cowanin, fuscaxanthone A, fuscaxanthone B, xanthochymusxanthones A, 7-O-methylgarcinone E, and cowagarcinone A, isolated from the bark resin of G. nigrolineata, were assayed for their inhibitory activities against β-amyloid (Aβ) aggregation and monoamine oxidase enzymes (MAOs). Full article
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