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https://www.readbyqxmd.com/read/29885450/sub-chronic-treatment-with-cannabidiol-but-not-with-urb597-induced-a-mild-antidepressant-like-effect-in-diabetic-rats
#1
Helen de Morais, Yane Costa Chaves, Ana Paula Farias Waltrick, Carlos Henrique Alves Jesus, Karina Genaro, José Alexandre Crippa, Joice Maria da Cunha, Janaína Menezes Zanoveli
Depression associated with diabetes has been described as a highly debilitating comorbidity. Due to its complex and multifactorial mechanisms, the treatment of depression associated with diabetes represents a clinical challenge. Cannabidiol (CBD), the non-psychotomimetic compound derived from Cannabis sativa, has been pointed out as a promising compound for the treatment of several psychiatric disorders. Here, we evaluated the potential antidepressant-like effect of acute or sub-chronic treatment with CBD in diabetic rats using the modified forced swimming test (mFST)...
June 6, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29863014/-chaihu-shugan-san-exerts-an-antidepressive-effect-by-downregulating-mir-124-and-releasing-inhibition-of-the-mapk14-and-gria3-signaling-pathways
#2
Qiong Liu, Ning-Ning Sun, Zheng-Zhi Wu, Da-Hua Fan, Mei-Qun Cao
Dysregulation of miR-124 has been reported to be involved in the pathophysiology of depression. Chaihu-Shugan-San, a traditional Chinese medicine, has antidepressive activity; however, the underlying mechanisms remain unclear. In this study, to generate a rodent model of depression, rats were subjected to a combination of solitary confinement and chronic unpredictable mild stress for 28 days. Rats were intragastrically administered Chaihu-Shugan-San (2.835 mL/kg/d) for 4 weeks, once a day. Real-time reverse-transcription quantitative polymerase chain reaction, miRNA microarray, western blot assay and transmission electron microscopy demonstrated that Chaihu-Shugan-San downregulated miR-124 expression and upregulated the mRNA and protein levels of mitogen-activated protein kinase 14 (MAPK14) and glutamate receptor subunit 3 (Gria3)...
May 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29802653/serotonin-transporter-inhibition-during-neonatal-period-induces-sex-dependent-effects-on-mitochondrial-bioenergetics-in-the-rat-brainstem
#3
Tercya Lucidi Araujo Silva, Glauber Rudá Feitoza Braz, Severina Cassia de Andrade Silva, Anderson Apolônio da Silva Pedroza, Cristiane de Moura Freitas, Diorginis José Soares Ferreira, Aline Isabel da Silva, Claudia Jacques Lagranha
The serotonin reuptake is mainly regulated by the serotonin transporters (SERTs), which are abundantly found in the raphe nuclei, located in the brainstem. Previous studies have shown that dysfunction in the SERT has been associated with several disorders, including depression and cardiovascular diseases. In this manuscript, we aimed to investigate how gender and the treatment with a serotonin selective reuptake inhibitor (SSRI) could affect mitochondrial bioenergetics and oxidative stress in the brainstem of male and female rats...
May 26, 2018: European Journal of Neuroscience
https://www.readbyqxmd.com/read/29790069/antidepressant-effects-of-the-ginsenoside-metabolite-compound-k-assessed-by-behavioral-despair-test-and-chronic-unpredictable-mild-stress-model
#4
Wu Song, Yan Guo, Shuang Jiang, Lin Wei, Zhi Liu, Xiaoyan Wang, Ying Su
Depression is a major social and health problem worldwide. Compound K (CK), an intestinal metabolite of panaxadiol ginsenosides, has been demonstrated to possess significant pharmacological effects on the central nervous system (CNS). Here, we set up this study to investigate the antidepressant effect of CK, and to explore the potential mechanisms underlying this activity. The behavioral despair model and chronic unpredictable mild stress (CUMS) model were established in mice or rats, respectively. Forced swimming test (FST), tail suspension test (TST) and locomotor activity were performed in mice, while the open-field test, food consumption and sucrose preference were assessed in rats...
May 22, 2018: Neurochemical Research
https://www.readbyqxmd.com/read/29773910/the-l-type-calcium-channel-blocker-isradipine-attenuates-cue-induced-cocaine-seeking-by-enhancing-dopaminergic-activity-in-the-ventral-tegmental-area-to-nucleus-accumbens-pathway
#5
Nii A Addy, Eric J Nunes, Shannon M Hughley, Keri M Small, Sarah J Baracz, Joshua L Haight, Anjali M Rajadhyaksha
Previous preclinical and clinical investigations have focused on the L-type calcium channel (LTCC) as a potential therapeutic target for substance abuse. While some clinical studies have examined the ability of LTCC blockers to alter cocaine's subjective effects, very few LTCC studies have examined cocaine relapse. Here, we examined whether ventral tegmental area (VTA)-specific or systemic administration of the LTCC inhibitor, isradipine, altered cocaine-seeking behavior in a rat model. Male Sprague-Dawley rats first received 10 days of cocaine self-administration training (2 h sessions), where active lever depression resulted in delivery of a ∼0...
May 3, 2018: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29713894/fluoxetine-is-neuroprotective-in-early-brain-injury-via-its-anti-inflammatory-and-anti-apoptotic-effects-in-a-rat-experimental-subarachnoid-hemorrhage-model
#6
Hui-Min Hu, Bin Li, Xiao-Dong Wang, Yun-Shan Guo, Hua Hui, Hai-Ping Zhang, Biao Wang, Da-Geng Huang, Ding-Jun Hao
Fluoxetine, an anti-depressant drug, has recently been shown to provide neuroprotection in central nervous system injury, but its roles in subarachnoid hemorrhage (SAH) remain unclear. In this study, we aimed to evaluate whether fluoxetine attenuates early brain injury (EBI) after SAH. We demonstrated that intraperitoneal injection of fluoxetine (10 mg/kg per day) significantly attenuated brain edema and blood-brain barrier (BBB) disruption, microglial activation, and neuronal apoptosis in EBI after experimental SAH, as evidenced by the reduction of brain water content and Evans blue dye extravasation, prevention of disruption of the tight junction proteins zonula occludens-1, claudin-5, and occludin, a decrease of cells staining positive for Iba-1, ED-1, and TUNEL and a decline in IL-1β, IL-6, TNF-α, MDA, 3-nitrotyrosine, and 8-OHDG levels...
April 30, 2018: Neuroscience Bulletin
https://www.readbyqxmd.com/read/29574217/the-impact-of-aldh2-activation-by-alda-1-on-the-expression-of-vegf-in-the-hippocampus-of-a-rat-model-of-post-mi-depression
#7
Xuan Liu, Ge Jin, Bilian Fan, Yang Xing, Lei Wang, Min Wang, Yueming Yuan, Qiwen Zhu
Post-MI depression is a critical clinical problem, the comorbidity of which complicates depression treatment and worsens cardiovascular outcomes. However, which antidepressant is the best to lower the risk of cardiovascular events in persons with depression was still unknown. Recently, it has been proposed that the activation of ALDH2 by Alda-1 can effectively reduce depressive-like behaviors and improve the prognosis of coronary heart disease. In the present study, we investigated the effect of Alda-1 on the expression of VEGF in the hippocampus of a rat model with post-MI depression, as well as the potential treatment mechanism...
May 1, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29560744/formulation-and-evaluation-of-nano-lipid-formulation-containing-cns-acting-drug-molecular-docking-in-vitro-assessment-and-bioactivity-detail-in-rats
#8
Mahtab Alam, Abul Kalam Najmi, Iqbal Ahmad, Farhan Jalees Ahmad, Md Jawaid Akhtar, Syed Sarim Imam, Mohd Akhtar
The study performed molecular docking, formulated, characterized thymoquinone (TQ) loaded solid lipid nano particles (TQSLN) and exhibited comparative antidepressant activity. TQ loaded nano lipid formulations were prepared by solvent injection methods and characterize for different in-vitro parameters. The optimized formulation was evaluated for depression using unpredictable chronic mild stress (UCMS) model for a period of six weeks. TQSLN was assessed in modified forced swim test (MFST), tail suspension test (TST), locomotor activity followed by biochemical parameters such as monoaminesand brain derived neurotrophic factor (BDNF)...
March 21, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29520171/berberine-alleviates-symptoms-of-anxiety-by-enhancing-dopamine-expression-in-rats-with-post-traumatic-stress-disorder
#9
Bombi Lee, Insop Shim, Hyejung Lee, Dae-Hyun Hahm
Post-traumatic stress disorder (PTSD) is a trauma-induced psychiatric disorder characterized by impaired fear extermination, hyperarousal, anxiety, depression, and amnesic symptoms that may involve the release of monoamines in the fear circuit. The present study measured several anxiety-related behavioral responses to examine the effects of berberine (BER) on symptoms of anxiety in rats after single prolonged stress (SPS) exposure, and to determine if BER reversed the dopamine (DA) dysfunction. Rats received BER (10, 20, or 30 mg/kg, intraperitoneally, once daily) for 14 days after SPS exposure...
March 2018: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/29438841/anti-migraine-and-anti-depression-activities-of-tianshu-capsule-by-mediating-monoamine-oxidase
#10
Xiaoping Sun, Fangfang Zhu, Jun Zhou, Xiujuan Chang, Liang Li, Hanfei Hu, Zhenzhong Wang, Wei Xiao
BACKGROUND: Tianshu capsule(TSC)is a Chinese patent medicine. It's widely used to treat migraine clinically in China. AIM OF THE STUDY: In the present study, we investigated anti-migraine and anti-depression activities of TSC using in vivo animal models together with in vitro studies to investigate the mechanism of action. MATERIALS AND METHODS: Nitroglycerin (NTG) -induced migraine rat model, rat was given a subcutaneous injection of the NTG suspension (10 mg/kg) once a week for 5 weeks...
April 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29419747/voluntary-physical-exercise-improves-subsequent-motor-and-cognitive-impairments-in-a-rat-model-of-parkinson-s-disease
#11
Shih-Chang Hsueh, Kai-Yun Chen, Jing-Huei Lai, Chung-Che Wu, Yu-Wen Yu, Yu Luo, Tsung-Hsun Hsieh, Yung-Hsiao Chiang
BACKGROUND: Parkinson's disease (PD) is typically characterized by impairment of motor function. Gait disturbances similar to those observed in patients with PD can be observed in animals after injection of neurotoxin 6-hydroxydopamine (6-OHDA) to induce unilateral nigrostriatal dopamine depletion. Exercise has been shown to be a promising non-pharmacological approach to reduce the risk of neurodegenerative disease. METHODS: In this study, we investigated the long-term effects of voluntary running wheel exercise on gait phenotypes, depression, cognitive, rotational behaviors as well as histology in a 6-OHDA-lesioned rat model of PD...
February 8, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29321989/antidepressant-like-effects-of-gan-mai-dazao-tang-via-monoamine-regulatory-pathways-on-forced-swimming-test-in-rats
#12
Hsiang-Ling Huang, Swee-Ling Lim, Kuan-Hung Lu, Lee-Yan Sheen
Depression is a highly prevalent and recurrent mental disorder that impacts all aspects of human life. Undesirable effects of the antidepressant drugs led to the development of complementary and alternative therapies. Gan-Mai-Da-Zao-Tang (, gān mài dà zǎo tang) is a traditional herbal formula commonly used for the treatment of depression, but lack of scientific proof on its mechanism. It consisted of Glycyrrhiza uralensis Fisch. (licorice), Triticum aestivum L. (wheat) and Zizphus jujuba Mill. (jujube)...
January 2018: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/29218948/-preliminary-screening-of-biomarkers-for-curcumin-s-antidepressant-effect-based-on-metabonomics-method
#13
Zhi-Jie Ma, Wei Zhang, Jie-Ming Dong, Xiao-Hong Yu, Xiao-Mei Zhao, Shi-Biao Pu
To screen potential biomarkers of curcumin related to treating depression rats by using metabolomics means, so as to explore the antidepressant action mechanism of curcumin. The healthy male SD rats were randomly divided into four groups. Chronic unpredictable mild stress (CUMS) stimulation was conducted for modeling for 2 weeks, and then curcumin (200 mg•kg⁻¹) or venlafaxine (40 mg•kg⁻¹) was given by gavage administration. The blank group and model group rats were given with the same volume of 1% CMCNa normal saline, once per day for two weeks...
September 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29188780/dizocilpine-induced-psychosis-like-behavior-in-rats-a-possible-animal-model-with-full-spectrum-of-schizophrenia
#14
Sidrah Shahzad, Saara Ahmad, Syeda Madiha, Saima Khaliq, Laraib Liaquat, Sadia Sadir, Sahar Rafiq, Saiqa Tabassum, Zehra Batool, Saida Haider
Schizophrenia (SZ) is categorized as neuropsychiatric disorder with reduced lifespan and significant impairments in social and vocational functioning. One of the best proposed pharmacological animal models is dizocilpine, as it can mimic the full spectrum of schizophrenic disorder including positive and negative symptoms along with cognitive deficits. Dizocilpine is N-methyl-D-aspartate (NMDA) receptor antagonist known to induce hyper-locomotion and stereotyped behavior in rodents. Present study was designed to develop an animal model of SZ via intraperitoneal administration of dizocilpine in rats (100-150g) at a dose of 0...
November 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29169416/-decursin-reduces-reactive-oxygen-species-and-inhibits-cisplatin-induced-apoptosis-in-rat-renal-tubular-epithelial-cells
#15
Cuiqiong Li, Jianchun Li, Junming Fan, Lifeng Meng, Ling Cao
Objective To study the mechanism underlying the inhibitory effect of decursin on the apoptosis of rat renal tubular epithelial cells NRK-52E induced by cisplatin. Methods First, CCK-8 assay was used to detect the effects of 0, 10, 20, 40, 80, 100, 150, 200 μmol/L decursin and 0, 5, 10, 20, 30, 40, 50 μg/mL cispatin treatment for 24 hours on cell proliferation in NRK-52E cells via determining the half inhibitory concentration (IC50 ). Then, NRK-52E cells were stimulated with 20 μg/mL cisplatin combined with 10, 50, 100 μmol/L decursin, and cell activity was detected by CCK-8 assay...
October 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/29153928/enhancing-excitability-of-dopamine-neurons-promotes-motivational-behaviour-through-increased-action-initiation
#16
Linde Boekhoudt, Ellen C Wijbrans, Jodie H K Man, Mieneke C M Luijendijk, Johannes W de Jong, Geoffrey van der Plasse, Louk J M J Vanderschuren, Roger A H Adan
Motivational deficits are a key symptom in multiple psychiatric disorders, including major depressive disorder, schizophrenia and addiction. A likely neural substrate for these motivational deficits is the brain dopamine (DA) system. In particular, DA signalling in the nucleus accumbens, which originates from DA neurons in the ventral tegmental area (VTA), has been identified as a crucial substrate for effort-related and activational aspects of motivation. Unravelling how VTA DA neuronal activity relates to motivational behaviours is required to understand how motivational deficits in psychiatry can be specifically targeted...
January 2018: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29141189/role-of-cyclooxygenase-inhibitors-in-diminution-of-dissimilar-stress-induced-depressive-behavior-and-memory-impairment-in-rats
#17
Tahira Perveen, Shaista Emad, Saida Haider, Sana Sadaf, Sara Qadeer, Zehra Batool, Yousra Sarfaraz, Sheeza Sheikh
Memory functions can be considerably affected by various life events and stress has shown to be a chief regulator. Different stress patterns have distinct effects on the overall functioning of the brain. Stress provokes inflammation not only in the periphery but also in the brain. Neuroinflammation causes alterations in neuronal structure and function, which eventually progress to the development of neurodegenerative diseases. Inflammatory reactions are modulated through communication between the nervous, endocrine and immune systems...
February 1, 2018: Neuroscience
https://www.readbyqxmd.com/read/29128806/emotional-disorders-induced-by-hemopressin-and-rvd-hemopressin-%C3%AE-administration-in-rats
#18
Sheila Leone, Lucia Recinella, Annalisa Chiavaroli, Sara Martinotti, Claudio Ferrante, Adriano Mollica, Giorgia Macedonio, Azzurra Stefanucci, Szabolcs Dvorácskó, Csaba Tömböly, Luciano De Petrocellis, Michele Vacca, Luigi Brunetti, Giustino Orlando
BACKGROUND: The endocannabinoid (eCB) system plays an important role in regulating emotional disorders, and is involved, directly or indirectly, in psychiatric diseases, such as anxiety and depression. Hemopressin, a hemoglobin α chain-derived peptide, and RVD-hemopressin(α), a N-terminally extended form of hemopressin, act as antagonist/inverse agonist and negative allosteric modulator of the cannabinoid 1 (CB1) receptor, respectively. METHODS: Considering the possible involvement of these peptides on emotional behaviour, the aim of our study was to investigate the behavioural effects of a single intraperitoneal (ip) injection of hemopressin (0...
December 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29125056/monosodium-glutamate-and-treadmill-exercise-anxiety-like-behavior-and-spreading-depression-features-in-young-adult-rats
#19
Suênia Marcele Vitor-de-Lima, Larissa de Brito Medeiros, Regina de Deus Lira Benevides, Catarina Nicácio Dos Santos, Nahara Oliveira Lima da Silva, Rubem Carlos Araújo Guedes
OBJECTIVES: The route of administration is an important factor in determining the action of some drugs. We previously demonstrated that subcutaneous monosodium glutamate (MSG) accelerated cortical spreading depression (CSD) in the rat and that treadmill exercise attenuated this effect. This study evaluated whether other routes of administration exert the same action by testing orogastric (gavage) and topical cortical MSG administration in treadmill-exercised and sedentary rats. Additionally, in the orogastric treatment we tested anxiety-like behavior...
November 10, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/29107702/intra-nasal-dopamine-alleviates-cognitive-deficits-in-tgdisc1-rats-which-overexpress-the-human-disc1-gene
#20
An-Li Wang, Benedetta Fazari, Owen Y Chao, Susanne Nikolaus, Svenja V Trossbach, Carsten Korth, Fernando J Sialana, Gert Lubec, Joseph P Huston, Claudia Mattern, Maria Angelica de Souza Silva
The Disrupted-in-Schizophrenia 1 (DISC1) gene has been associated with mental illnesses such as major depression and schizophrenia. The transgenic DISC1 (tgDISC1) rat, which overexpresses the human DISC1 gene, is known to exhibit deficient dopamine (DA) homeostasis. To ascertain whether the DISC1 gene also impacts cognitive functions, 14-15 months old male tgDISC1 rats and wild-type controls were subjected to the novel object preference (NOP) test and the object-based attention test (OBAT) in order to assess short-term memory (1 h), long-term memory (24 h), and attention...
December 2017: Neurobiology of Learning and Memory
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