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Abdelmissih S, Abdelgwad M, Ali DME, Negm MSI, Eshra MA, Youssef A. High-dose Agomelatine Combined with Haloperidol Decanoate Improves Cognition, Downregulates MT2, Upregulates D5, and Maintains Krüppel-like Factor 9 But Alters Cardiac Electrophysiology. J Pharmacol Exp Ther 2024; 390:125-145. [PMID: 38816228 DOI: 10.1124/jpet.123.002087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 04/24/2024] [Accepted: 05/02/2024] [Indexed: 06/01/2024] Open
Abstract
Haloperidol decanoate (HD) has been implicated in cognitive impairment. Agomelatine (AGO) has been claimed to improve cognition. We aimed at investigating the effects of HD + low- or high-dose AGO on cognition, verifying the melatonergic/dopaminergic to the cholinergic hypothesis of cognition and exploring relevant cardiovascular issues in adult male Wistar albino rats. HD + high-dose AGO prolonged the step-through latency by +61.47% (P < 0.0001), increased the time spent in bright light by +439.49% (P < 0.0001), reduced the time spent in dim light by -66.25% (P < 0.0001), and increased the percent of alternations by +71.25% (P < 0.0001), despite the reductions in brain acetylcholine level by -10.67% (P < 0.0001). Neurodegeneration was minimal, while the mean power frequency of the source wave was reduced by -23.39% (P < 0.05). Concurrently, the relative expression of brain melatonin type 2 receptors was reduced by -18.75% (P < 0.05), against increased expressions of dopamine type 5 receptors by +22.22% (P < 0.0001) and angiopoietin-like 4 by +119.18% (P < 0.0001). Meanwhile, electrocardiogram (ECG) demonstrated inverted P wave, reduced P wave duration by -36.15% (P < 0.0001) and PR interval by -19.91% (P < 0.0001), prolonged RR interval by +27.97% (P < 0.05), increased R wave amplitude by +523.15% (P < 0.0001), and a depressed ST segment and inverted T wave. In rats administered AGO, HD, or HD+ low-dose AGO, Alzheimer's disease (AD)-like neuropathologic features were more evident, accompanied by extensive ECG and neurochemical alterations. HD + high-dose AGO enhances cognition but alters cardiac electrophysiology. SIGNIFICANCE STATEMENT: Given the issue of cognitive impairment associated with HD and the claimed cognitive-enhancing activity of AGO, combined high-dose AGO with HD improved cognition of adult male rats, who exhibited minimal neurodegenerative changes. HD+ high-dose AGO was relatively safe regarding triggering epileptogenesis, while it altered cardiac electrophysiology. In the presence of low acetylcholine, the melatonergic/dopaminergic hypothesis, added to angiopoietin-like 4 and Krüppel-like factor 9, could offer some clue, thus offering novel targets for pharmacologic manipulation of cognition.
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Affiliation(s)
- Sherine Abdelmissih
- Departments of Medical Pharmacology (S.A., A.Y.), Medical Biochemistry and Molecular Biology (M.A.), Pathology (M.S.I.N.), and Medical Physiology (M.A.E.), Faculty of Medicine, Kasr Al-Ainy, Cairo University, Cairo, Egypt; and Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Sohag University, Sohag, Egypt (D.M.E.A.)
| | - Marwa Abdelgwad
- Departments of Medical Pharmacology (S.A., A.Y.), Medical Biochemistry and Molecular Biology (M.A.), Pathology (M.S.I.N.), and Medical Physiology (M.A.E.), Faculty of Medicine, Kasr Al-Ainy, Cairo University, Cairo, Egypt; and Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Sohag University, Sohag, Egypt (D.M.E.A.)
| | - Doaa Mohamed Elroby Ali
- Departments of Medical Pharmacology (S.A., A.Y.), Medical Biochemistry and Molecular Biology (M.A.), Pathology (M.S.I.N.), and Medical Physiology (M.A.E.), Faculty of Medicine, Kasr Al-Ainy, Cairo University, Cairo, Egypt; and Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Sohag University, Sohag, Egypt (D.M.E.A.)
| | - Mohamed Sharif Ismail Negm
- Departments of Medical Pharmacology (S.A., A.Y.), Medical Biochemistry and Molecular Biology (M.A.), Pathology (M.S.I.N.), and Medical Physiology (M.A.E.), Faculty of Medicine, Kasr Al-Ainy, Cairo University, Cairo, Egypt; and Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Sohag University, Sohag, Egypt (D.M.E.A.)
| | - Mohamed Ali Eshra
- Departments of Medical Pharmacology (S.A., A.Y.), Medical Biochemistry and Molecular Biology (M.A.), Pathology (M.S.I.N.), and Medical Physiology (M.A.E.), Faculty of Medicine, Kasr Al-Ainy, Cairo University, Cairo, Egypt; and Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Sohag University, Sohag, Egypt (D.M.E.A.)
| | - Amal Youssef
- Departments of Medical Pharmacology (S.A., A.Y.), Medical Biochemistry and Molecular Biology (M.A.), Pathology (M.S.I.N.), and Medical Physiology (M.A.E.), Faculty of Medicine, Kasr Al-Ainy, Cairo University, Cairo, Egypt; and Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Sohag University, Sohag, Egypt (D.M.E.A.)
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Abdelaziz M, Mohamed AF, Zaki HF, Gad SS. Agomelatine improves memory and learning impairments in a rat model of LPS-induced neurotoxicity by modulating the ERK/SorLA/BDNF/TrkB pathway. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:1701-1714. [PMID: 37712973 PMCID: PMC10858839 DOI: 10.1007/s00210-023-02717-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 09/07/2023] [Indexed: 09/16/2023]
Abstract
The mutual interplay between neuroinflammation, synaptic plasticity, and autophagy has piqued researchers' interest, particularly when it comes to linking their impact and relationship to cognitive deficits. Being able to reduce inflammation and apoptosis, melatonin has shown to have positive neuroprotective effects; that is why we thought to check the possible role of agomelatine (AGO) as a promising candidate that could have a positive impact on cognitive deficits. In the current study, AGO (40 mg/kg/day, p.o., 7 days) successfully ameliorated the cognitive and learning disabilities caused by lipopolysaccharide (LPS) in rats (250 μg/kg/day, i.p., 7 days). This positive impact was supported by improved histopathological findings and improved spatial memory as assessed using Morris water maze. AGO showed a strong ability to control BACE1 activity and to rein in the hippocampal amyloid beta (Aβ) deposition. Also, it improved neuronal survival, neuroplasticity, and neurogenesis by boosting BDNF levels and promoting its advantageous effects and by reinforcing the pTrkB expression. In addition, it upregulated the pre- and postsynaptic neuroplasticity biomarkers resembled in synapsin I, synaptophysin, and PSD-95. Furthermore, AGO showed a modulatory action on Sortilin-related receptor with A-type repeats (SorLA) pathway and adjusted autophagy. It is noteworthy that all of these actions were abolished by administering PD98059 a MEK/ERK pathway inhibitor (0.3 mg/kg/day, i.p., 7 days). In conclusion, AGO administration significantly improves memory and learning disabilities associated with LPS administration by modulating the ERK/SorLA/BDNF/TrkB signaling pathway parallel to its capacity to adjust the autophagic process.
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Affiliation(s)
- Mahmoud Abdelaziz
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA University), Giza, Egypt
| | - Ahmed F Mohamed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Kasr El-Aini St, Cairo, 11562, Egypt.
- Faculty of Pharmacy, King Salman International University (KSIU), 46612, Ras Sedr, South Sinai, Egypt.
| | - Hala F Zaki
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Kasr El-Aini St, Cairo, 11562, Egypt
| | - Sameh S Gad
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA University), Giza, Egypt
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Aghaei Z, Karbalaei N, Namavar MR, Haghani M, Razmkhah M, Ghaffari MK, Nemati M. Neuroprotective Effect of Wharton's Jelly-Derived Mesenchymal Stem Cell-Conditioned Medium (WJMSC-CM) on Diabetes-Associated Cognitive Impairment by Improving Oxidative Stress, Neuroinflammation, and Apoptosis. Stem Cells Int 2023; 2023:7852394. [PMID: 37081849 PMCID: PMC10113062 DOI: 10.1155/2023/7852394] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 03/13/2023] [Accepted: 03/16/2023] [Indexed: 04/22/2023] Open
Abstract
According to strong evidence, diabetes mellitus increases the risk of cognitive impairment. Mesenchymal stem cells have been shown to be potential therapeutic agents for neurological disorders. In the current study, we aimed to examine the effects of Wharton's jelly-derived mesenchymal stem cell-conditioned medium (WJMSC-CM) on learning and memory, oxidative stress, apoptosis, and histological changes in the hippocampus of diabetic rats. Randomly, 35 male Sprague Dawley rats weighing 260-300 g were allocated into five groups: control, diabetes, and three diabetic groups treated with insulin, WJMSC-CM, and DMEM. The injections of insulin (3 U/day, S.C.) and WJMSC-CM (10 mg/week, I.P.) were done for 60 days. The Morris water maze and open field were used to measure cognition and anxiety-like behaviors. Colorimetric assays were used to determine hippocampus glutathione (GSH), malondialdehyde (MDA) levels, and antioxidant enzyme activity. The histopathological evaluation of the hippocampus was performed by Nissl staining. The expression levels of Bax, Bcl-2, BDNF, and TNF-α were detected by real-time polymerase chain reaction (RT-PCR). According to our findings, WJMSC-CM significantly reduced and increased blood glucose and insulin levels, respectively. Enhanced cognition and improved anxiety-like behavior were also found in WJMSC-CM-treated diabetic rats. In addition, WJMSC-CM treatment reduced oxidative stress by lowering MDA and elevating GSH and antioxidant enzyme activity. Reduced TNF-α and enhanced Bcl-2 gene expression levels and elevated neuronal and nonneuronal (astrocytes and oligodendrocytes) cells were detected in the hippocampus of WJMSC-CM-treated diabetic rats. In conclusion, WJMSC-CM alleviated diabetes-related cognitive impairment by reducing oxidative stress, neuroinflammation, and apoptosis in diabetic rats.
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Affiliation(s)
- Zohre Aghaei
- Department of Physiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Narges Karbalaei
- Department of Physiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- Histomorphometry and Stereology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Reza Namavar
- Histomorphometry and Stereology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Anatomy, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Masoud Haghani
- Department of Physiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- Histomorphometry and Stereology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mahboobeh Razmkhah
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mahdi Khorsand Ghaffari
- Department of Physiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Marzieh Nemati
- Department of Endocrinology and Metabolism Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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Qi JS, Su Q, Li T, Liu GW, Zhang YL, Guo JH, Wang ZJ, Wu MN. Agomelatine: a potential novel approach for the treatment of memory disorder in neurodegenerative disease. Neural Regen Res 2023; 18:727-733. [DOI: 10.4103/1673-5374.353479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Ge X, Wang L, Cui Q, Yan H, Wang Z, Ye S, Zhang Q, Fei A. Electroacupuncture improves cognitive impairment in diabetic cognitive dysfunction rats by regulating the mitochondrial autophagy pathway. J Physiol Sci 2022; 72:29. [DOI: 10.1186/s12576-022-00854-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Accepted: 11/03/2022] [Indexed: 11/25/2022]
Abstract
Abstract
Background
Diabetes-associated cognitive dysfunction has become a major public health concern. However, the mechanisms driving this disease are elusive. Herein, we explored how electroacupuncture improves learning and memory function in diabetic rats.
Methods
The diabetic model was established by intraperitoneal injection of streptozotocin (STZ) in adult Sprague–Dawley rats. Rats were fed on high-fat and high-sugar diets. Learning and memory functions were assessed using behavioral tests. The hematoxylin and eosin (H&E) staining, Western blotting, real-time PCR, ELISA, immunohistochemistry, and transmission electronic microscopy (TEM) was performed to test related indicators.
Results
High-fat and high-sugar diets impaired learning and memory function in rats, while electroacupuncture treatment reversed these changes. The model group presented highly prolonged escape latency compared to the control group, indicating impaired learning and memory functions. The TEM examination showed that electroacupuncture enhanced Aβ clearance and mitochondrial autophagy in hippocampal neuronal cells by increasing DISC1 expression.
Conclusions
Electroacupuncture improves learning and memory function in diabetic rats by increasing DISC1 expression to promote mitophagy. This enhanced Aβ clearance, alleviating cytotoxicity in hippocampal neuronal cells.
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Naveed M, Li LD, Sheng G, Du ZW, Zhou YP, Nan S, Zhu MY, Zhang J, Zhou QG. Agomelatine: An astounding sui-generis antidepressant? Curr Mol Pharmacol 2021; 15:943-961. [PMID: 34886787 DOI: 10.2174/1874467214666211209142546] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 05/09/2021] [Accepted: 06/25/2021] [Indexed: 11/22/2022]
Abstract
Major depressive disorder (MDD) is one of the foremost causes of disability and premature death worldwide. Although the available antidepressants are effective and well tolerated, they also have many limitations. Therapeutic advances in developing a new drug's ultimate relation between MDD and chronobiology, which targets the circadian rhythm, have led to a renewed focus on psychiatric disorders. In order to provide a critical analysis about antidepressant properties of agomelatine, a detailed PubMed (Medline), Scopus (Embase), Web of Science (Web of Knowledge), Cochrane Library, Google Scholar, and PsycInfo search was performed using the following keywords: melatonin analog, agomelatine, safety, efficacy, adverse effects, pharmacokinetics, pharmacodynamics, circadian rhythm, sleep disorders, neuroplasticity, MDD, bipolar disorder, anhedonia, anxiety, generalized anxiety disorder (GAD), and mood disorders. Agomelatine is a unique melatonin analog with antidepressant properties and a large therapeutic index that improves clinical safety. It is a melatonin receptor agonist (MT1 and MT2) and a 5-HT2C receptor antagonist. The effects on melatonin receptors enable the resynchronization of irregular circadian rhythms with beneficial effects on sleep architectures. In this way, agomelatine is accredited for its unique mode of action, which helps to exert antidepressant effects and resynchronize the sleep-wake cycle. To sum up, an agomelatine has not only antidepressant properties but also has anxiolytic effects.
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Affiliation(s)
- Muhammad Naveed
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Lian-Di Li
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Gang Sheng
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Zi-Wei Du
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Ya-Ping Zhou
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Sun Nan
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Ming-Yi Zhu
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Jing Zhang
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Qi-Gang Zhou
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
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Extreme Glycemic Fluctuations Debilitate NRG1, ErbB Receptors and Olig1 Function: Association with Regeneration, Cognition and Mood Alterations During Diabetes. Mol Neurobiol 2021; 58:4727-4744. [PMID: 34165684 DOI: 10.1007/s12035-021-02455-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 06/16/2021] [Indexed: 12/28/2022]
Abstract
Neuronal regeneration is crucial for maintaining intact neural interactions for perpetuation of cognitive and emotional functioning. The NRG1-ErbB receptor signaling is a key pathway for regeneration in adult brain and also associated with learning and mood stabilization by modulating synaptic transmission. Extreme glycemic stress is known to affect NRG1-ErbB-mediated regeneration in brain; yet, it remains unclear how the ErbB receptor subtypes are differentially affected due to such metabolic variations. Here, we assessed the alterations in NRG1, ErbB receptor subtypes to study the regenerative potential, both in rodents as well as in neuronal and glial cell models of hyperglycemia and hypoglycemic insults during hyperglycemia. The pro-oxidant and anti-oxidant status leading to degenerative changes in brain regions were determined. The spatial memory and anxiogenic behaviour of experimental rodents were tested using 'T' maze and Elevated Plus Maze. Our data revealed that the extreme glycemic discrepancies during diabetes and recurrent hypoglycemia lead to altered expression of NRG1, ErbB receptor subtypes, Syntaxin1 and Olig1 that shows association with impaired regeneration, synaptic dysfunction, demyelination, cognitive deficits and anxiety.
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Zhang JH, Yang HZ, Su H, Song J, Bai Y, Deng L, Feng CP, Guo HX, Wang Y, Gao X, Gu Y, Zhen Z, Lu Y. Berberine and Ginsenoside Rb1 Ameliorate Depression-Like Behavior in Diabetic Rats. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2021; 49:1195-1213. [PMID: 34049474 DOI: 10.1142/s0192415x21500579] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Rhizoma coptidis (Huang-lian) and Asian ginseng have been widely used in the treatment of diabetes and other concurrent diseases with apparent effects. This study investigated the effects of the active ingredients of R. coptidis and ginseng, berberine and ginsenoside Rb1, on depression-like behavior in a rat diabetes model. The animal model was established via a high-fat diet and intraperitoneal injection of streptozotocin, while the animal's depression-like behavior was induced via chronic unpredictable mild stress. These experimental rats were divided into four groups: control, depression-like behavior (DLB), metformin plus fluoxetine hydrochloride (M+FH), and berberine plus ginsenoside Rb1 (B+GRb1) groups. Glucose metabolism and insulin resistance were evaluated by oral glucose test and glucose clamp study. Depression-like behavior was evaluated via behavioral analyses, including forced swim, sucrose preference, elevated plus maze, and open-field tests. HE and Nissl staining, plasma cortisol expression of adrenocorticotropic hormone, and brain-derived neurotrophic factor (BDNF) levels were assayed to explore the mechanisms of action. Compared with the control, rats in the DLB group had a significant increase in the levels of blood glucose and depression-like behavior. The B+GRb1 group significantly improved glucose metabolism and insulin resistance, reduced depression-like behavior, downregulated levels of plasma cortisol and adrenocorticotropic hormone under stress, and upregulated BDNF protein expression compared to the DLB rats. HE and Nissl staining data revealed that B+GRb1 protected neurons from pathological and morphological changes. Thus, berberine and ginsenoside Rb1 not only improved glucose metabolism in diabetic rats but also ameliorated their depression-like behavior under chronic unpredictable stress. Mechanistically, studied data with plasma hormonal levels and brain neuronal pathological/morphological changes supported the observed effects. The combination of berberine and ginsenoside Rb1 may have a clinical value in the management of diabetic patients with depression.
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Affiliation(s)
| | - Hui-Zeng Yang
- Tianjin Anding Hospital, Tianjian 300022, P. R. China
| | - Hao Su
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, P. R. China
| | - Jun Song
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, P. R. China
| | - Yu Bai
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, P. R. China
| | - Lan Deng
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, P. R. China
| | - Chun-Peng Feng
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, P. R. China
| | - Hong-Xia Guo
- Langfang Normal University, Langfang 065000, P. R. China
| | - Yi Wang
- Tianjin Anding Hospital, Tianjian 300022, P. R. China
| | - Xin Gao
- Tianjin Anding Hospital, Tianjian 300022, P. R. China
| | - Yan Gu
- Tianjin Third Central Hospital, Tianjian 300170, P. R. China
| | - Zhong Zhen
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, P. R. China
| | - Yao Lu
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, P. R. China
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Soligo M, Protto V, Chiaretti A, Piccinin S, De Stefano ME, Nisticò R, Bracci-Laudiero L, Manni L. Effects of intranasally-delivered pro-nerve growth factors on the septo-hippocampal system in healthy and diabetic rats. Neuropharmacology 2020; 176:108223. [PMID: 32681844 DOI: 10.1016/j.neuropharm.2020.108223] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 06/22/2020] [Accepted: 06/25/2020] [Indexed: 11/25/2022]
Abstract
Pro-nerve growth factor (proNGF) is the predominant form of NGF in the brain and its levels increase in neurodegenerative diseases. The balance between NGF receptors may explain the contradictory biological activities of proNGF. However, the specific role of the two main proNGF variants is mostly unexplored. proNGF-A is prevalently expressed in healthy brain, while proNGF-B content increases in the neuro-degenerating brain. Recently we have investigated in vitro the biological action of native mouse proNGF variants. To gain further insights into the specific functions of the two proNGFs, here we intranasally delivered mouse-derived proNGF-A and proNGF-B to the brain parenchyma of healthy and diabetic rats, the latter characterized by dysfunction in spatial learning and memory, in the septo-hippocampal circuitry and by relative increase in proNGF-B hippocampal levels. Exogenous proNGF-B induces depression of hippocampal DG-LTP and impairment of hippocampal neurogenesis in healthy animals, with concomitant decrease in basal forebrain cholinergic neurons and cholinergic fibers projecting to the hippocampus. proNGF-A, while ineffective in healthy animals, rescues the diabetes-induced impairment in DG-LTP and hippocampal neurogenesis, promoting the concomitant recovery of the basal forebrain cholinergic phenotype. Our experimental evidences suggest that the balance between different proNGFs may influence the development and progression of neurodegenerative diseases.
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Affiliation(s)
- Marzia Soligo
- Institute of Translational Pharmacology, Consiglio Nazionale Delle Ricerche (CNR), Rome, Italy
| | - Virginia Protto
- Institute of Translational Pharmacology, Consiglio Nazionale Delle Ricerche (CNR), Rome, Italy
| | - Antonio Chiaretti
- Institute of Pediatrics, Università Cattolica del Sacro Cuore, Rome, Italy
| | | | - Maria Egle De Stefano
- Department of Biology and Biotechnology "Charles Darwin", Sapienza University, Rome, Italy
| | - Robert Nisticò
- European Brain Research Institute (EBRI), Rome, Italy; Department of Biology, University of Rome Tor Vergata, Rome, Italy
| | - Luisa Bracci-Laudiero
- Institute of Translational Pharmacology, Consiglio Nazionale Delle Ricerche (CNR), Rome, Italy; Division of Rheumatology and Immuno-Rheumatology Research Laboratories, Bambino Gesù Children's Hospital, Rome, Italy
| | - Luigi Manni
- Institute of Translational Pharmacology, Consiglio Nazionale Delle Ricerche (CNR), Rome, Italy.
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Jash K, Gondaliya P, Sunkaria A, Kalia K. MicroRNA-29b Modulates β-Secretase Activity in SH-SY5Y Cell Line and Diabetic Mouse Brain. Cell Mol Neurobiol 2020; 40:1367-1381. [PMID: 32198621 DOI: 10.1007/s10571-020-00823-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 02/29/2020] [Indexed: 01/18/2023]
Abstract
Hyperglycemia is one of the major risk factors responsible for memory impairment in diabetes which may lead to Alzheimer's disease (AD) at a later stage. MicroRNAs are a class of non-coding RNAs that are found to play a role in diabetes. Downregulation of microRNA-29b in diabetes is well reported. Moreover, microRNA-29b is also reported to target the 3' UTR of β-secretase (BACE-1) enzyme which is involved in the formation of amyloid-beta (Aβ) in AD via cleavage of amyloid precursor protein (APP). Therefore, the present study was designed to elucidate whether microRNA-29b could be a link between diabetes and dementia. In the in vitro and in vivo diabetic model, we found downregulation of microRNA-29b due to hyperglycemia. After human microRNA-29b treatment, there was a significant improvement in the short-term and spatial memory in diabetic mice. Also, the human microRNA-29b treatment decreased oxidative stress and BACE-1 activity in diabetes. The present findings revealed that the downregulation of microRNA-29b in diabetes could be associated with memory impairment and increased BACE-1 activity. These results would give a future direction to study the role played by microRNAs in diabetes-associated memory impairment and hence aid in the development of therapeutics to treat the same.
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Affiliation(s)
- Kavya Jash
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research-Ahmedabad, Opposite Air Force Station, Palaj, Gandhinagar, Gujarat, 382355, India
| | - Piyush Gondaliya
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research-Ahmedabad, Opposite Air Force Station, Palaj, Gandhinagar, Gujarat, 382355, India
| | - Aditya Sunkaria
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research-Ahmedabad, Opposite Air Force Station, Palaj, Gandhinagar, Gujarat, 382355, India
| | - Kiran Kalia
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research-Ahmedabad, Opposite Air Force Station, Palaj, Gandhinagar, Gujarat, 382355, India.
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Fan X, Zhao Z, Wang D, Xiao J. Glycogen synthase kinase-3 as a key regulator of cognitive function. Acta Biochim Biophys Sin (Shanghai) 2020; 52:219-230. [PMID: 32147679 DOI: 10.1093/abbs/gmz156] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 11/27/2019] [Accepted: 11/28/2019] [Indexed: 12/16/2022] Open
Abstract
Glycogen synthase kinase-3 (GSK-3) is a highly conserved and multifunctional serine/threonine protein kinase widely distributed in eukaryotic cells. GSK-3 is originally thought to be an enzyme that regulates glycogen synthesis. It was subsequently found that GSK-3 influences many critical cellular functions, such as cell structure, neural plasticity, gene expression, and neuronal survival. Recently, GSK-3 has been found to be associated with cognition, and its dysregulation leads to cognitive impairments in many diseases, including Alzheimer's disease, diabetes, depression, Parkinson's disease, and others. In this review, we summarized the current knowledge about the structure of GSK-3, the regulation of GSK-3 activity, and its role in cognitive function and cognitive-related disease.
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Affiliation(s)
- Xuhong Fan
- Department of Anesthesiology, The Second Affiliated Hospital of University of South China, Hengyang 421001, China
| | - Zhenyu Zhao
- Department of Anesthesiology, The First Hospital of Hunan University of Chinese Medicine, Changsha 410000, China
| | - Deming Wang
- Department of Anesthesiology, The Second Affiliated Hospital of University of South China, Hengyang 421001, China
| | - Ji Xiao
- Department of Anesthesiology, The Second Affiliated Hospital of University of South China, Hengyang 421001, China
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou 325027, China
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Jalsrai A, Biswas A, Suslov NI, Martin JV. Neuropsychopharmacological profile of Astragalus membranaceous var. mongholicus. JOURNAL OF TRADITIONAL CHINESE MEDICAL SCIENCES 2019. [DOI: 10.1016/j.jtcms.2019.08.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Lakstygal AM, de Abreu MS, Lifanov DA, Wappler-Guzzetta EA, Serikuly N, Alpsyshov ET, Wang D, Wang M, Tang Z, Yan D, Demin KA, Volgin AD, Amstislavskaya TG, Wang J, Song C, Alekseeva P, Kalueff AV. Zebrafish models of diabetes-related CNS pathogenesis. Prog Neuropsychopharmacol Biol Psychiatry 2019; 92:48-58. [PMID: 30476525 DOI: 10.1016/j.pnpbp.2018.11.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 11/18/2018] [Accepted: 11/22/2018] [Indexed: 12/12/2022]
Abstract
Diabetes mellitus (DM) is a common metabolic disorder that affects multiple organ systems. DM also affects brain processes, contributing to various CNS disorders, including depression, anxiety and Alzheimer's disease. Despite active research in humans, rodent models and in-vitro systems, the pathogenetic link between DM and brain disorders remains poorly understood. Novel translational models and new model organisms are therefore essential to more fully study the impact of DM on CNS. The zebrafish (Danio rerio) is a powerful novel model species to study metabolic and CNS disorders. Here, we discuss how DM alters brain functions and behavior in zebrafish, and summarize their translational relevance to studying DM-related CNS pathogenesis in humans. We recognize the growing utility of zebrafish models in translational DM research, as they continue to improve our understanding of different brain pathologies associated with DM, and may foster the discovery of drugs that prevent or treat these diseases.
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Affiliation(s)
- Anton M Lakstygal
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia; Laboratory of Preclinical Bioscreening, Granov Russian Research Center of Radiology and Surgical Technologies, Ministry of Healthcare of Russian Federation, Pesochny, Russia
| | - Murilo S de Abreu
- Bioscience Institute, University of Passo Fundo (UPF), Passo Fundo, RS, Brazil; The International Zebrafish Neuroscience Research Consortium (ZNRC), Slidell, LA, USA
| | - Dmitry A Lifanov
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia; Laboratory of Preclinical Bioscreening, Granov Russian Research Center of Radiology and Surgical Technologies, Ministry of Healthcare of Russian Federation, Pesochny, Russia; School of Pharmacy, Southwest University, Chongqing, China
| | | | - Nazar Serikuly
- School of Pharmacy, Southwest University, Chongqing, China
| | | | - DongMei Wang
- School of Pharmacy, Southwest University, Chongqing, China
| | - MengYao Wang
- School of Pharmacy, Southwest University, Chongqing, China
| | - ZhiChong Tang
- School of Pharmacy, Southwest University, Chongqing, China
| | - DongNi Yan
- School of Pharmacy, Southwest University, Chongqing, China
| | - Konstantin A Demin
- Institute of Experimental Medicine, Almazov National Medical Research Centre, Ministry of Healthcare of Russian Federation, St. Petersburg, Russia; Laboratory of Biological Psychiatry, Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia
| | - Andrey D Volgin
- Scientific Research Institute of Physiology and Basic Medicine, Novosibirsk, Russia
| | | | - JiaJia Wang
- Institute for Marine Drugs and Nutrition, Guangdong Ocean University, Zhanjiang, China; Marine Medicine Development Center, Shenzhen Institute, Guangdong Ocean University, Shenzhen, China
| | - Cai Song
- Institute for Marine Drugs and Nutrition, Guangdong Ocean University, Zhanjiang, China; Marine Medicine Development Center, Shenzhen Institute, Guangdong Ocean University, Shenzhen, China
| | - Polina Alekseeva
- Institute of Experimental Medicine, Almazov National Medical Research Centre, Ministry of Healthcare of Russian Federation, St. Petersburg, Russia
| | - Allan V Kalueff
- School of Pharmacy, Southwest University, Chongqing, China; Institute of Experimental Medicine, Almazov National Medical Research Centre, Ministry of Healthcare of Russian Federation, St. Petersburg, Russia; Laboratory of Biological Psychiatry, Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia; Scientific Research Institute of Physiology and Basic Medicine, Novosibirsk, Russia; Ural Federal University, Ekaterinburg, Russia; Russian Scientific Center of Radiology and Surgical Technologies, Ministry of Healthcare of Russian Federation, Pesochny, Russia; ZENEREI Research Center, Slidell, LA, USA.
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