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Aguilar LA, Coker CR, McCullers Z, Evans A, Showemimo O, Melkumyan M, Keller BN, Snyder AE, Bingaman SS, Randall PA, Hajnal A, Browning KN, Arnold AC, Silberman Y. Adolescent alcohol disrupts development of noradrenergic neurons in the nucleus of the tractus solitarius and enhances stress behaviors in adulthood in mice in a sex specific manner. ADDICTION NEUROSCIENCE 2023; 9:100132. [PMID: 38162404 PMCID: PMC10756564 DOI: 10.1016/j.addicn.2023.100132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Alcohol use disorders (AUDs) are common mental health issues worldwide and can lead to other chronic diseases. Stress is a major factor in the development and continuation of AUDs, and adolescent alcohol exposure can lead to enhanced stress-responsivity and increased risk for AUD development in adulthood. The exact mechanisms behind the interaction between adolescence, stress, and alcohol are not fully understood and require further research. In this regard, the nucleus of the tractus solitarius (NTS) provides dense norepinephrine projections to the extended amygdala, providing a key pathway for stress-related alcohol behaviors. While NTS norepinephrine neurons are known to be alcohol sensitive, whether adolescent alcohol disrupts NTS-norepinephrine neuron development and if this is related to altered stress-sensitivity and alcohol preference in adulthood has not previously been examined. Here, we exposed male and female C57Bl/6J mice to the commonly used adolescent intermittent ethanol (AIE) vapor model during postnatal day 28-42 and examined AIE effects on: 1) tyrosine hydroxylase (TH) mRNA expression in the NTS across various ages (postnatal day 21-90), 2) behavioral responses to acute stress in the light/dark box test in adulthood, 3) NTS TH neuron responses to acute stress and ethanol challenges in adulthood, and 4) ethanol conditioned place preference behavior in adulthood. Overall the findings indicate that AIE alters NTS TH mRNA expression and increases anxiety-like behaviors following acute stress exposure in a sex-dependent manner. These mRNA expression and behavioral changes occur in the absence of AIE-induced changes in NTS TH neuron sensitivity to either acute stress or acute alcohol exposure or changes to ethanol conditioned place preference.
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Affiliation(s)
- Liz A. Aguilar
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, USA
- Currently at Department of Biology, Indiana University Bloomington, USA
| | - Caitlin R. Coker
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, USA
- Penn State College of Medicine, Graduate Program in Anatomy, USA
- Currently at Georgetown University School of Medicine, USA
| | - Zari McCullers
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, USA
- Penn State College of Medicine, Graduate Program in Biomedical Sciences, USA
| | - Alexandra Evans
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, USA
- Penn State College of Medicine, Graduate Program in Biomedical Sciences, USA
| | - Opeyemi Showemimo
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, USA
- Penn State College of Medicine, Graduate Program in Anatomy, USA
| | - Mariam Melkumyan
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, USA
- Penn State College of Medicine, Graduate Program in Neuroscience, USA
| | - Bailey N. Keller
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, USA
- Penn State College of Medicine, Graduate Program in Neuroscience, USA
| | - Angela E. Snyder
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, USA
- Penn State College of Medicine, Graduate Program in Neuroscience, USA
| | - Sarah S. Bingaman
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, USA
| | | | - Andras Hajnal
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, USA
| | - Kirsteen N. Browning
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, USA
| | - Amy C. Arnold
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, USA
| | - Yuval Silberman
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, USA
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Li S, Hou Q, Wang R, Hou Y, Wang Q, Zhang B, Ni C, Zheng H. Sevoflurane upregulates neuron death process-related Ddit4 expression by NMDAR in the hippocampus. Aging (Albany NY) 2023; 15:5698-5712. [PMID: 37348034 PMCID: PMC10333074 DOI: 10.18632/aging.204822] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 05/26/2023] [Indexed: 06/24/2023]
Abstract
Postoperative cognitive dysfunction (POCD) is a serious and common complication induced by anesthesia and surgery. Neuronal apoptosis induced by general anesthetic neurotoxicity is a high-risk factor. However, a comprehensive analysis of general anesthesia-regulated gene expression patterns and further research on molecular mechanisms are lacking. Here, we performed bioinformatics analysis of gene expression in the hippocampus of aged rats that received sevoflurane anesthesia in GSE139220 from the GEO database, found a total of 226 differentially expressed genes (DEGs) and investigated hub genes according to the number of biological processes in which the genes were enriched and performed screening by 12 algorithms with cytoHubba in Cytoscape. Among the screened hub genes, Agt, Cdkn1a, Ddit4, and Rhob are related to the neuronal death process. We further confirmed that these genes, especially Ddit4, were upregulated in the hippocampus of aged mice that received sevoflurane anesthesia. NMDAR, the core target receptor of sevoflurane, rather than GABAAR, mediates the sevoflurane regulation of DDIT4 expression. Our study screened sevoflurane-regulated DEGs and focused on the neuronal death process to reveal DDIT4 as a potential target mediated by NMDAR, which may provide a new target for the treatment of sevoflurane neurotoxicity.
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Affiliation(s)
- Shuai Li
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Qi Hou
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Runjia Wang
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Yu Hou
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Qiang Wang
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Bo Zhang
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Cheng Ni
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Hui Zheng
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
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Morris LS, McCall JG, Charney DS, Murrough JW. The role of the locus coeruleus in the generation of pathological anxiety. Brain Neurosci Adv 2020; 4:2398212820930321. [PMID: 32954002 PMCID: PMC7479871 DOI: 10.1177/2398212820930321] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 04/29/2020] [Indexed: 12/31/2022] Open
Abstract
This review aims to synthesise a large pre-clinical and clinical
literature related to a hypothesised role of the locus coeruleus
norepinephrine system in responses to acute and chronic threat, as
well as the emergence of pathological anxiety. The locus coeruleus has
widespread norepinephrine projections throughout the central nervous
system, which act to globally modulate arousal states and adaptive
behavior, crucially positioned to play a significant role in
modulating both ascending visceral and descending cortical
neurocognitive information. In response to threat or a stressor, the
locus coeruleus–norepinephrine system globally modulates arousal,
alerting and orienting functions and can have a powerful effect on the
regulation of multiple memory systems. Chronic stress leads to
amplification of locus coeruleus reactivity to subsequent stressors,
which is coupled with the emergence of pathological anxiety-like
behaviors in rodents. While direct in vivo evidence for locus
coeruleus dysfunction in humans with pathological anxiety remains
limited, recent advances in high-resolution 7-T magnetic resonance
imaging and computational modeling approaches are starting to provide
new insights into locus coeruleus characteristics.
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Affiliation(s)
- Laurel S Morris
- The Depression and Anxiety Center for Discovery and Treatment, Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Jordan G McCall
- Department of Anesthesiology, Washington University in St. Louis, St. Louis, MO, USA
| | - Dennis S Charney
- Dean's Office, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - James W Murrough
- The Depression and Anxiety Center for Discovery and Treatment, Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA
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Cui SY, Song JZ, Cui XY, Hu X, Ma YN, Shi YT, Luo Y, Ge YR, Ding H, Ye H, Zhang YH. Intracerebroventricular streptozotocin-induced Alzheimer's disease-like sleep disorders in rats: Role of the GABAergic system in the parabrachial complex. CNS Neurosci Ther 2018; 24:1241-1252. [PMID: 30014576 DOI: 10.1111/cns.13032] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 06/22/2018] [Accepted: 06/23/2018] [Indexed: 01/08/2023] Open
Abstract
AIM Sleep disorders are common in Alzheimer's disease (AD) and assumed to directly influence cognitive function and disease progression. This study evaluated sleep characteristics in a rat model of AD that was induced by intracerebroventricular streptozotocin (STZ) administration and assessed the possible underlying mechanisms. METHODS Cognition ability was assessed in the Morris water maze in rats. Sleep parameters were analyzed by electroencephalographic and electromyographic recordings. Neuronal activity in brain areas that regulate sleep-wake states was evaluated by double-staining immunohistochemistry. High-performance liquid chromatography with electrochemical detection was used to detect neurotransmitter levels. RESULTS Fourteen days after the STZ injection, the rats exhibited sleep disorders that were similar to those in AD patients, reflected by a significant increase in wakefulness and decreases in nonrapid eye movement (NREM) sleep and rapid eye movement (REM) sleep. The c-Fos expression analysis indicated that neuronal activity and the number of neurons in the dorsal raphe nucleus and locus coeruleus decreased in STZ-injected rats. In the ventrolateral preoptic nucleus (VLPO), the activity of γ-aminobutyric acid (GABA) neurons was suppressed. In the arousal-driving parabrachial nucleus (PBN), GABAergic activity was suppressed, whereas glutamatergic activity was promoted. The neurotransmitter analysis revealed a reduction in GABA in the VLPO and PBN and elevation of glutamate in the PBN. A direct injection of the GABAA receptor antagonist bicuculline in the PBN in normal rats induced a similar pattern of sleep disorder as in STZ-injected rats. A microinjection of GABA in the PBN improved sleep disorders that were induced by STZ. CONCLUSION These results suggest that the reduction in GABAergic inhibition in the PBN and VLPO may be involved in sleep disorders that are induced by STZ. Our novel findings encourage further studies that investigate mechanisms of sleep regulation in sporadic AD.
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Affiliation(s)
- Su-Ying Cui
- Department of Pharmacology, Peking University, School of Basic Medical Science, Beijing, China
| | - Jin-Zhi Song
- Department of Pharmacology, Peking University, School of Basic Medical Science, Beijing, China
| | - Xiang-Yu Cui
- Department of Pharmacology, Peking University, School of Basic Medical Science, Beijing, China
| | - Xiao Hu
- Department of Pharmacology, Peking University, School of Basic Medical Science, Beijing, China
| | - Yu-Nu Ma
- Department of Pharmacology, Peking University, School of Basic Medical Science, Beijing, China
| | - Yu-Tong Shi
- Department of Pharmacology, Peking University, School of Basic Medical Science, Beijing, China
| | - Ying Luo
- Department of Pharmacology, Peking University, School of Basic Medical Science, Beijing, China
| | - Yan-Ru Ge
- School of Pharmacy, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Hui Ding
- Department of Pharmacology, Peking University, School of Basic Medical Science, Beijing, China
| | - Hui Ye
- Department of Pharmacology, Peking University, School of Basic Medical Science, Beijing, China
| | - Yong-He Zhang
- Department of Pharmacology, Peking University, School of Basic Medical Science, Beijing, China
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