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von Krogh K, Bjørndal GT, Nourizadeh-Lillabadi R, Ropstad E, Haug TM, Weltzien FA. Cortisol differentially affects cell viability and reproduction-related gene expression in Atlantic cod pituitary cultures dependent on stage of sexual maturation. Comp Biochem Physiol A Mol Integr Physiol 2019; 236:110517. [PMID: 31254635 DOI: 10.1016/j.cbpa.2019.06.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 05/16/2019] [Accepted: 06/24/2019] [Indexed: 01/03/2023]
Abstract
Through the action of cortisol, stress can affect reproductive biology with behavioural and physiological alterations. Using mixed sex primary pituitary cultures from Atlantic cod (Gadus morhua), the present study aimed to investigate potential direct effects of basal and stress level cortisol on the pituitary in terms of cell viability and reproduction-related gene expression at different stages of sexual maturity. Stress level of cortisol stimulated cell viability in cells derived from sexually maturing and mature fish. In cells from spent fish, high cortisol levels did not affect cell viability in terms of metabolic activity, but did stimulate viability in terms of membrane integrity. Basal cortisol levels did not affect cell viability. Ethanol, used as solvent for cortisol, decreased cell viability at all maturity stages, but did generally not affect gene expression. Genes investigated were fshb, lhb and two Gnrh receptors expressed in cod gonadotropes (gnrhr1b and gnrhr2a). Cortisol had dual effects on fshb expression; stimulating expression in cells from mature fish at stress dose, while inhibiting expression in cells from spent fish at both doses. In contrast, cortisol had no direct effect on lhb expression. While gnrhr2a transcript levels largely increased following cortisol treatment, gnrhr1b expression decreased in cells from spent fish and was unaffected at other maturity stages. These findings demonstrate that cortisol can act directly and differentially at the pituitary level in Atlantic cod and that factors facilitating these actions are dose-dependently activated and vary with level of sexual maturity.
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Affiliation(s)
- Kristine von Krogh
- Norwegian University of Life Sciences, Faculty of Veterinary Medicine, Department of Basic Science and Aquatic Medicine, Oslo, Norway
| | - Gunnveig Toft Bjørndal
- Norwegian University of Life Sciences, Faculty of Veterinary Medicine, Department of Basic Science and Aquatic Medicine, Oslo, Norway
| | - Rasoul Nourizadeh-Lillabadi
- Norwegian University of Life Sciences, Faculty of Veterinary Medicine, Department of Basic Science and Aquatic Medicine, Oslo, Norway
| | - Erik Ropstad
- Norwegian University of Life Sciences, Faculty of Veterinary Medicine, Department of Production Animal Clinical Sciences, Oslo, Norway
| | - Trude M Haug
- University of Oslo, Faculty of Dentistry, Department of Oral Biology, Oslo, Norway
| | - Finn-Arne Weltzien
- Norwegian University of Life Sciences, Faculty of Veterinary Medicine, Department of Basic Science and Aquatic Medicine, Oslo, Norway.
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202
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Schuller HM. Inhibitory role of G i-coupled receptors on cAMP-driven cancers with focus on opioid receptors in lung adenocarcinoma and its stem cells. VITAMINS AND HORMONES 2019; 111:299-311. [PMID: 31421705 DOI: 10.1016/bs.vh.2019.05.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The development, progression, metastasis and drug resistance of the most common human cancers are driven by cyclic adenosine monophosphate (cAMP)-signaling downstream of beta-adrenergic receptors (β-Ars) coupled to the stimulatory G-protein Gs. Receptors coupled to the inhibitory G-protein Gi inhibit this signaling cascade by blocking the activation of the enzyme adenylyl cyclase that catalyzes the formation of cAMP and function as the physiological inhibitors of this signaling cascade. Members of the Gi-coupled receptor family widely expressed in the mammalian organism are GABA B receptors (GABAB-Rs) for the inhibitory neurotransmitter γ-aminobutyric acid (GABA), opioid receptors for endogenous opioid peptides and cannabinoid receptors for endogenous cannabinoids. This review summarizes current evidence for the concept that the activation of Gi-receptor signaling by pharmacological and psychological means is a promising tool for the long-term management of cAMP-driven cancers with special emphasis on the inhibitory effects of opioids on lung adenocarcinoma and its stem cells.
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Affiliation(s)
- Hildegard M Schuller
- Department of Biomedical & Diagnostic Science, College of Veterinary Medicine, The University of Tennessee, Knoxville, TN, United States.
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203
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Chauveau F, De Job E, Poly-Thomasson B, Cavroy R, Thomasson J, Fromage D, Beracochea D. Procognitive impact of ciproxifan (a histaminergic H 3 receptor antagonist) on contextual memory retrieval after acute stress. CNS Neurosci Ther 2019; 25:832-841. [PMID: 31094061 PMCID: PMC6630007 DOI: 10.1111/cns.13113] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 02/01/2019] [Accepted: 02/05/2019] [Indexed: 12/11/2022] Open
Abstract
AIM Although cognitive deficits commonly co-occur with stress-related emotional disorders, effect of procognitive drugs such as histaminergic H3 receptor antagonists are scarcely studied on memory retrieval in stress condition. METHODS Experiment 1. Memory of two successive spatial discriminations (D1 then D2) 24 hours after learning was studied in a four-hole board in mice. H3 receptor antagonist ciproxifan (ip 3 mg/kg) and acute stress (three electric footshocks; 0.9 mA; 15 ms) were administered 30 and 15 minutes respectively before memory retrieval test. Fos immunostaining was performed to evaluate the neural activity of several brain areas. Experiment 2. Effects of ciproxifan and acute stress were evaluated on anxiety-like behavior in the elevated plus maze and glucocorticoid activity using plasma corticosterone assay. RESULTS Experiment 1. Ciproxifan increased memory retrieval of D2 in nonstress condition and of D1 in stress one. Ciproxifan mitigated the stress-induced increase of Fos expression in the prelimbic and infralimbic cortex, the central and basolateral amygdala and the CA1 of dorsal hippocampus. Experiment 2. Ciproxifan dampened the stress-induced anxiety-like behavior and plasma corticosterone increase. CONCLUSION Ciproxifan improved contextual memory retrieval both in stress and nonstress conditions without exacerbating behavioral and endocrine responses to stress. Overall, these data suggest potential usefulness of H3 receptor antagonists as cognitive enhancer both in nonstress and stress conditions.
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Affiliation(s)
- Frédéric Chauveau
- IRBA (Institut de Recherche Biomédicale des Armées) BP73, Bretigny-sur-Orge Cedex, France
| | - Elodie De Job
- IRBA (Institut de Recherche Biomédicale des Armées) BP73, Bretigny-sur-Orge Cedex, France
| | - Betty Poly-Thomasson
- IRBA (Institut de Recherche Biomédicale des Armées) BP73, Bretigny-sur-Orge Cedex, France
| | - Raphaël Cavroy
- IRBA (Institut de Recherche Biomédicale des Armées) BP73, Bretigny-sur-Orge Cedex, France
| | - Julien Thomasson
- IRBA (Institut de Recherche Biomédicale des Armées) BP73, Bretigny-sur-Orge Cedex, France
| | - Dominique Fromage
- IRBA (Institut de Recherche Biomédicale des Armées) BP73, Bretigny-sur-Orge Cedex, France
| | - Daniel Beracochea
- INCIA (Institut de Neurosciences Cognitives et Intégratives d'Aquitaine), UMR CNRS 5287, Université de Bordeaux, Pessac, France
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204
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Pesarico AP, Bueno-Fernandez C, Guirado R, Gómez-Climent MÁ, Curto Y, Carceller H, Nacher J. Chronic Stress Modulates Interneuronal Plasticity: Effects on PSA-NCAM and Perineuronal Nets in Cortical and Extracortical Regions. Front Cell Neurosci 2019; 13:197. [PMID: 31133813 PMCID: PMC6524695 DOI: 10.3389/fncel.2019.00197] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Accepted: 04/18/2019] [Indexed: 01/31/2023] Open
Abstract
Chronic stress has an important impact on the adult brain. However, most of the knowledge on its effects is focused on principal neurons and less on inhibitory neurons. Consequently, recent reports have begun to describe stress-induced alterations in the structure, connectivity and neurochemistry of interneurons. Some of these changes appear to be mediated by certain molecules particularly associated to interneurons, such as the polysialylated form of the neural cell adhesion molecule (PSA-NCAM) and components of the perineuronal nets (PNN), specialized regions of the extracellular matrix. These plasticity-related molecules modulate interneuronal structure and connectivity, particularly of parvalbumin expressing basket interneurons, both during development and adult life. These inhibitory neurons are specially affected after chronic stress and in some stress-related disorders, in which the expression of PSA-NCAM and certain components of PNN are also altered. For these reasons we have decided to study PSA-NCAM, PNN and parvalbumin expressing interneurons after 10 days of chronic restraint stress, a time point in which its behavioral consequences are starting to appear. We have focused initially on the medial prefrontal cortex (mPFC), basolateral amygdala (BLA) and hippocampus, regions affected by stress and stress-related psychiatric diseases, but we have also explored the habenula and the thalamic reticular nucleus (TRN) due to the important presence of PNN and their relationship with certain disorders. PSA-NCAM expression was increased by stress in the stratum lacunosum-moleculare of CA1. Increases in parvalbumin immunoreactive cells were detected in the mPFC and the BLA, but were not accompanied by increases in the number of parvalbumin expressing perisomatic puncta on the somata of principal neurons. The number of PNN was also increased in the mPFC and the habenula, although habenular PNN were not associated to parvalbumin cells. Increased expression of parvalbumin and components of PNN were also detected in the TRN after chronic restraint stress, revealing for the first time substantial effects on this region. Our study shows that, even a short chronic stress protocol, can induce consistent changes in interneuronal plasticity-related molecules in cortical and extracortical regions, which may represent initial responses of inhibitory circuits to counteract the effects of this aversive experience.
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Affiliation(s)
- Ana Paula Pesarico
- Neurobiology Unit, Program in Neurosciences and Interdisciplinary Research Structure for Biotechnology and Biomedicine (BIOTECMED), Universitat de València, Burjassot, Spain
| | - Clara Bueno-Fernandez
- Neurobiology Unit, Program in Neurosciences and Interdisciplinary Research Structure for Biotechnology and Biomedicine (BIOTECMED), Universitat de València, Burjassot, Spain
| | - Ramón Guirado
- Neurobiology Unit, Program in Neurosciences and Interdisciplinary Research Structure for Biotechnology and Biomedicine (BIOTECMED), Universitat de València, Burjassot, Spain
| | - María Ángeles Gómez-Climent
- Neurobiology Unit, Program in Neurosciences and Interdisciplinary Research Structure for Biotechnology and Biomedicine (BIOTECMED), Universitat de València, Burjassot, Spain
| | - Yasmina Curto
- Neurobiology Unit, Program in Neurosciences and Interdisciplinary Research Structure for Biotechnology and Biomedicine (BIOTECMED), Universitat de València, Burjassot, Spain
| | - Hector Carceller
- Neurobiology Unit, Program in Neurosciences and Interdisciplinary Research Structure for Biotechnology and Biomedicine (BIOTECMED), Universitat de València, Burjassot, Spain
| | - Juan Nacher
- Neurobiology Unit, Program in Neurosciences and Interdisciplinary Research Structure for Biotechnology and Biomedicine (BIOTECMED), Universitat de València, Burjassot, Spain.,Spanish National Network for Research in Mental Health, Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Madrid, Spain.,Fundación Investigación Hospital Clínico de Valencia, INCLIVA, Valencia, Spain
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205
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Monteiro C, Cardoso-Cruz H, Galhardo V. Animal models of congenital hypoalgesia: Untapped potential for assessing pain-related plasticity. Neurosci Lett 2019; 702:51-60. [DOI: 10.1016/j.neulet.2018.11.045] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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206
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Ycaza Herrera A, Wang J, Mather M. The gist and details of sex differences in cognition and the brain: How parallels in sex differences across domains are shaped by the locus coeruleus and catecholamine systems. Prog Neurobiol 2019; 176:120-133. [PMID: 29772255 PMCID: PMC6485927 DOI: 10.1016/j.pneurobio.2018.05.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Revised: 04/04/2018] [Accepted: 05/13/2018] [Indexed: 02/07/2023]
Abstract
Across three different domains, there are similar sex differences in how men and women process information. There tends to be a male advantage in attending to and remembering the gist (essential central information of a scene or situation), but a female advantage in attending to and remembering the details (non-essential peripheral information of a scene or situation). This is seen in emotional memory, where emotion enhances gist memory more for males than for females, but enhances detail memory more for females than for males. It also occurs in spatial memory, where men tend to notice and remember the gist of where they or objects are in space, allowing them to more flexibly manipulate themselves or objects within that space, whereas women tend to recall the details of the space around them, allowing them to accurately remember the locations of objects. Finally, such sex differences have also been noted in perception of stimuli such that men attend to global aspects of stimuli (such as a large letter E) more than women, whereas women attend more to the local aspects (such as the many smaller letter Ts making up the E). We review the parallel sex differences seen across these domains in this paper and how they relate to the different brain systems involved in each of these task domains. In addition, we discuss how sex differences in evolutionary pressures and in the locus coeruleus and norepinephrine system may account for why parallel sex differences occur across these different task domains.
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Affiliation(s)
| | - Jiaxi Wang
- University of Southern California, Leonard Davis School of Gerontology, United States; East China Normal University, School of Psychology and Cognitive Science, Shanghai Key Laboratory of Brain Functional Genomics, China
| | - Mara Mather
- University of Southern California, Leonard Davis School of Gerontology, United States; University of Southern California, Department of Psychology, United States; University of Southern California, Neuroscience Graduate Program, United States
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207
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Abstract
This article addresses the question of passengers’ experience through different transport modes. It presents the main results of a pilot study, for which stress levels experienced by a traveller were assessed and predicted over two long journeys. Accelerometer measures and several physiological signals (electrodermal activity, blood volume pulse and skin temperature) were recorded using a smart wristband while travelling from Grenoble to Bilbao. Based on user’s feedback, three events of high stress and one period of moderate activity with low stress were identified offline. Over these periods, feature extraction and machine learning were performed from the collected sensor data to build a personalized regressive model, with user’s stress levels as output. A smartphone application has been developed on its basis, in order to record and visualize a timely estimated stress level using traveler’s physiological signals. This setting was put on test during another travel from Grenoble to Brussels, where the same user’s stress levels were predicted in real time by the smartphone application. The number of correctly classified stress-less time windows ranged from 92.6% to 100%, depending on participant’s level of activity. By design, this study represents a first step for real-life, ambulatory monitoring of passenger’s stress while travelling.
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208
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Ordyan NE, Akulova VK, Pivina SG, Otellin VA, Tyurenkov IN. Perinatal Hypoxia-Induced Impairments of Behavioral and Hormonal Stress Responses in Rats and Their Correction by a Novel GABA Derivative. J EVOL BIOCHEM PHYS+ 2019. [DOI: 10.1134/s0022093019010083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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209
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Affiliation(s)
- Hongxin Dong
- Department Psychiatry and Behavioral Sciences Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.,Department Psychiatry and Behavioral Sciences Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - John G Csernansky
- Department Psychiatry and Behavioral Sciences Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
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210
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Chung YH, Park TK, Yim SH, Lee JH, Bang JS, Shin YK, Bae J, Sim SS, Hwang KW, Shin CY, Im WJ, Khin PP, Lee J, Min YS, Jeong JH, Sohn UD. Polysaccharide-Rich Extract of Phragmites rhizome Attenuates Water Immersion Stress and Forced Swimming Fatigue in Rodent Animal Model. J Med Food 2019; 22:355-364. [PMID: 30990752 DOI: 10.1089/jmf.2018.4218] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Our study aimed to investigate the effects of the polysaccharide-rich extract of Phragmites rhizoma (PEP) against water immersion restraint (WIR) stress and forced swimming-induced fatigue. Exposure to WIR stress significantly increased the ulcer index, bleeding score, the weight of the adrenal gland, blood glucose concentrations, total cholesterol, cortisol, and creatine kinase (CK). The weight of the spleen decreased significantly. In addition, myeloperoxidase (MPO) and thiobarbituric acid-reactive substance (TBARS) were significantly upregulated by WIR stress. The antioxidative factors such as glutathione (GSH) and superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx) in the stomach were decreased by WIR stress. Alterations induced by WIR stress were effectively reversed by pretreatment with PEP. The swimming endurance capacity of mice was significantly prolonged by the oral administration of PEP. Swimming-induced fatigue significantly reduced the body weight; however, the injection of PEP inhibited the decrease of body weight. The PEP-treated group had significantly lower CK levels in plasma, an indicator of muscle damage. These results indicated that PEP has anti-stress and anti-fatigue effects, which are mediated by suppressing the hyperactivation of the hypothalamus-pituitary-adrenal axis, and antagonism of the oxidative damages induced by WIR stress and prolonged swimming times.
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Affiliation(s)
- Yoon Hee Chung
- 1 College of Medicine, Chung-Ang University, Seoul, Korea
| | - Tae Kwang Park
- 1 College of Medicine, Chung-Ang University, Seoul, Korea
| | - Sung Hyuk Yim
- 1 College of Medicine, Chung-Ang University, Seoul, Korea
| | - Jong Hyuk Lee
- 2 College of Life and Health Science, Hoseo University, Asan, Korea
| | - Joon Seok Bang
- 3 College of Pharmacy, Sookmyung Women's University, Seoul, Korea
| | - Yong Kyoo Shin
- 1 College of Medicine, Chung-Ang University, Seoul, Korea
| | - Jinhyung Bae
- 4 Department of Pharmacology, College of Pharmacy, Chung-Ang University, Seoul, Korea
| | - Sang Soo Sim
- 4 Department of Pharmacology, College of Pharmacy, Chung-Ang University, Seoul, Korea
| | - Kwang Woo Hwang
- 4 Department of Pharmacology, College of Pharmacy, Chung-Ang University, Seoul, Korea
| | - Chang Yell Shin
- 4 Department of Pharmacology, College of Pharmacy, Chung-Ang University, Seoul, Korea
| | - Wi Joon Im
- 4 Department of Pharmacology, College of Pharmacy, Chung-Ang University, Seoul, Korea
| | - Phyu Phyu Khin
- 4 Department of Pharmacology, College of Pharmacy, Chung-Ang University, Seoul, Korea
| | - Jaehwi Lee
- 4 Department of Pharmacology, College of Pharmacy, Chung-Ang University, Seoul, Korea
| | - Young Sil Min
- 5 College of Convergence Science and Technology, Jung Won University, Chungbuk, Korea
| | - Ji Hoon Jeong
- 1 College of Medicine, Chung-Ang University, Seoul, Korea
| | - Uy Dong Sohn
- 4 Department of Pharmacology, College of Pharmacy, Chung-Ang University, Seoul, Korea
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211
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212
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Santiago JCP, Hallschmid M. Outcomes and clinical implications of intranasal insulin administration to the central nervous system. Exp Neurol 2019; 317:180-190. [PMID: 30885653 DOI: 10.1016/j.expneurol.2019.03.007] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 02/12/2019] [Accepted: 03/13/2019] [Indexed: 12/20/2022]
Abstract
Insulin signaling in the brain plays a critical role in metabolic control and cognitive function. Targeting insulinergic pathways in the central nervous system via peripheral insulin administration is feasible, but associated with systemic effects that necessitate tight supervision or countermeasures. The intranasal route of insulin administration, which largely bypasses the circulation and thereby greatly reduces these obstacles, has now been repeatedly tested in proof-of-concept studies in humans as well as animals. It is routinely used in experimental settings to investigate the impact on eating behavior, peripheral metabolism, memory function and brain activation of acute or long-term enhancements in central nervous system insulin signaling. Epidemiological and experimental evidence linking deteriorations in metabolic control such as diabetes with neurodegenerative diseases imply pathophysiological relevance of dysfunctional brain insulin signaling or brain insulin resistance, and suggest that targeting insulin in the brain holds some promise as a therapy or adjunct therapy. This short narrative review gives an overview over recent findings on brain insulin signaling as derived from human studies deploying intranasal insulin, and evaluates the potential of therapeutic interventions that target brain insulin resistance.
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Affiliation(s)
- João C P Santiago
- Institute of Medical Psychology and Behavioral Neurobiology, University of Tübingen, 72076 Tübingen, Germany; German Center for Diabetes Research (DZD), 72076 Tübingen, Germany; Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, 72076 Tübingen, Germany
| | - Manfred Hallschmid
- Institute of Medical Psychology and Behavioral Neurobiology, University of Tübingen, 72076 Tübingen, Germany; German Center for Diabetes Research (DZD), 72076 Tübingen, Germany; Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, 72076 Tübingen, Germany.
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213
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Parisi DP, Santos SAR, Cabral D, Queiroz-Hazarbassanov N, Flório JC, Bernardi MM, Kirsten TB. Therapeutical doses of ivermectin and its association with stress disrupt motor and social behaviors of juvenile rats and serotonergic and dopaminergic systems. Res Vet Sci 2019; 124:149-157. [PMID: 30901667 DOI: 10.1016/j.rvsc.2019.03.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 03/11/2019] [Accepted: 03/12/2019] [Indexed: 12/20/2022]
Abstract
Ivermectin is a human and veterinary antiparasitic drug which is one of the most widely used in the world. Studies from our group have revealed several behavioral and neurochemical impairments induced by therapeutic doses of ivermectin in adult rats. However, the effects on juveniles remain unknown. Ivermectin has been prescribed for juvenile humans, pets and farm animals, which still show remarkable development and postnatal maturation and may be more susceptible to drug interventions. Hence, we studied the behavioral and neurochemical effects of two therapeutical doses (0.2 and 1.0 mg/kg) of ivermectin in juvenile rats. As it is underestimated in prescriptions, the stress factor was also studied. Ivermectin 1.0 mg/kg induced hyperlocomotion in juvenile rats. Association of 1.0 mg/kg ivermectin with stress induced hypolocomotion in rats. Ivermectin 1.0 mg/kg whether or not associated with stress exacerbated socialization of rats. Ivermectin did not induce anxiety-like behavior neither affected corticosterone levels of juvenile rats. The motor/exploratory behavioral findings induced by association of ivermectin and stress seem to be triggered after the increase in the striatal serotonergic system activity. Association of ivermectin with stress increased striatal dopamine levels, which increased (excessive) social play behavior. Our results suggest a review of the prescribed dose of ivermectin for juvenile humans and pets. Moreover, the stress factor should be considered for ivermectin medical prescriptions, since it may exacerbate behavioral and neurochemical disturbances.
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Affiliation(s)
- Débora P Parisi
- Environmental and Experimental Pathology, Paulista University, Rua Dr. Bacelar, 1212, São Paulo, SP 04026-002, Brazil
| | - Satiro A R Santos
- Environmental and Experimental Pathology, Paulista University, Rua Dr. Bacelar, 1212, São Paulo, SP 04026-002, Brazil
| | - Danilo Cabral
- Environmental and Experimental Pathology, Paulista University, Rua Dr. Bacelar, 1212, São Paulo, SP 04026-002, Brazil
| | - Nicolle Queiroz-Hazarbassanov
- Department of Pathology, School of Veterinary Medicine, University of São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, São Paulo, SP 05508-270, Brazil
| | - Jorge C Flório
- Department of Pathology, School of Veterinary Medicine, University of São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, São Paulo, SP 05508-270, Brazil
| | - Maria M Bernardi
- Environmental and Experimental Pathology, Paulista University, Rua Dr. Bacelar, 1212, São Paulo, SP 04026-002, Brazil
| | - Thiago B Kirsten
- Environmental and Experimental Pathology, Paulista University, Rua Dr. Bacelar, 1212, São Paulo, SP 04026-002, Brazil.
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214
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Peecher DL, Binder AK, Gabriel KI. Rodent models of mental illness in polycystic ovary syndrome: the potential role of hypothalamic-pituitary-adrenal dysregulation and lessons for behavioral researchers. Biol Reprod 2019; 100:590-600. [PMID: 30388193 DOI: 10.1093/biolre/ioy233] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 10/04/2018] [Accepted: 10/31/2018] [Indexed: 12/20/2022] Open
Abstract
Polycystic ovary syndrome (PCOS) is the most commonly diagnosed endocrine disorder in women of reproductive age, with phenotypes including ovarian and metabolic dysfunctions. Women with PCOS also show increased rates of mental illness, dysregulation of the hypothalamic-pituitary-adrenal (HPA) axis, and altered responsiveness to stressors that may contribute to the higher rates of mental illness, specifically depression and anxiety. Animal models of PCOS have provided insight into the ovarian and metabolic mechanisms that underlie the syndrome, and several models have been used to study the behavioral consequences associated with PCOS in the laboratory. Several studies in rodent models of PCOS demonstrate changes in anxiety-like behavior, but researchers often neglect to report procedural details or behavioral data crucial to interpreting the differences observed in those studies. Additionally, the impact of potential HPA dysregulation in animal models of PCOS may influence behavioral findings, although only three studies to date have examined this. As such, researchers should consider and report stress-associated variables (e.g., time of day, light/dark cycle, light intensity, housing, and procedures to control experimenter and litter effects) that may influence depression- and anxiety-like behaviors in rodents. This review will summarize the behavioral and HPA-related studies in women with PCOS and rodent models of the disease, and provide considerations for future studies.
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Affiliation(s)
- Danielle L Peecher
- Department of Psychology, Central Washington University, Ellensburg, Washington, USA.,Center for Reproductive Biology, Washington State University, Pullman, Washington, USA
| | - April K Binder
- Center for Reproductive Biology, Washington State University, Pullman, Washington, USA.,Department of Biological Sciences, Central Washington University, Ellensburg, Washington, USA
| | - Kara I Gabriel
- Department of Psychology, Central Washington University, Ellensburg, Washington, USA
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215
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Duan H, Wang X, Hu W, Kounios J. Effects of acute stress on divergent and convergent problem-solving. THINKING & REASONING 2019. [DOI: 10.1080/13546783.2019.1572539] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Haijun Duan
- Key Laboratory of Modern Teaching Technology, Ministry of Education, Shaanxi Normal University, Xi’an, China
- Collaborative Innovation Center of Assessment Towards Basic Education Quality, Beijing Normal University, Beijing, China
| | - Xuewei Wang
- Key Laboratory of Modern Teaching Technology, Ministry of Education, Shaanxi Normal University, Xi’an, China
| | - Weiping Hu
- Key Laboratory of Modern Teaching Technology, Ministry of Education, Shaanxi Normal University, Xi’an, China
- Collaborative Innovation Center of Assessment Towards Basic Education Quality, Beijing Normal University, Beijing, China
| | - John Kounios
- Creativity Research Laboratory Department of Psychology, Drexel University, Philadelphia, PA, USA
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216
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Franz HM, Corbo V, Fonda JR, Levin LK, Milberg WP, McGlinchey RE. The impact of interpersonal early life trauma on cardio-metabolic health in post-9/11 veterans. Health Psychol 2019; 38:113-121. [PMID: 30652910 DOI: 10.1037/hea0000706] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVE This study examined the impact of early life trauma (ELT) on cardio-metabolic health in veterans from post-9/11 conflicts who experience significant stress from deployment and reintegration. METHOD Three hundred thirty-seven veterans from the Translational Research Center for Traumatic Brain Injury and Stress Disorders study underwent physiological assessments, including blood pressure and waist circumference. Fasting blood samples were collected to measure metabolic syndrome (MetS; cholesterol/triglycerides/glucose). ELT history was determined using the Traumatic Life Events Questionnaire. Posttraumatic stress disorder (PTSD) symptoms were assessed using the Clinician-Administered PTSD Scale. Logistic regression models examined the association of ELT and MetS diagnostic criteria while controlling for confounders. RESULTS The adjusted logistic regression showed a significant relationship between interpersonal ELT (IP ELT) and risk of MetS, with IP ELT having an approximately 3-fold increase in the risk of cardio- metabolic syndrome compared with those with no trauma (odds ratio [OR] = 3.06, p < .05). IP ELT was associated with over a 2-fold increased risk of elevated triglycerides compared with those with no trauma (OR = 2.06, p < .05). PTSD symptoms also explained in part the IP-ELT/MetS relationship. Veterans with any ELT were significantly more likely to meet for a current diagnosis of PTSD. CONCLUSIONS Our findings suggest that veterans with IP ELT are more likely to meet MetS and PTSD diagnostic criteria than veterans without IP ELT. This is concerning considering the young age of the sample and stresses the importance of an integrated and holistic approach in the assessment of physical and mental health in returning veterans. (PsycINFO Database Record (c) 2019 APA, all rights reserved).
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Affiliation(s)
- Hannah M Franz
- Translational Research Center for TBI and Stress Disorders (TRACTS), VA Boston Healthcare System
| | - Vincent Corbo
- Translational Research Center for TBI and Stress Disorders (TRACTS), VA Boston Healthcare System
| | - Jennifer R Fonda
- Translational Research Center for TBI and Stress Disorders (TRACTS), VA Boston Healthcare System
| | - Laura K Levin
- Translational Research Center for TBI and Stress Disorders (TRACTS), VA Boston Healthcare System
| | - William P Milberg
- Translational Research Center for TBI and Stress Disorders (TRACTS), VA Boston Healthcare System
| | - Regina E McGlinchey
- Translational Research Center for TBI and Stress Disorders (TRACTS), VA Boston Healthcare System
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Chronic psychological stress impairs germinal center response by repressing miR-155. Brain Behav Immun 2019; 76:48-60. [PMID: 30414952 DOI: 10.1016/j.bbi.2018.11.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Revised: 10/26/2018] [Accepted: 11/01/2018] [Indexed: 12/25/2022] Open
Abstract
Germinal centers (GC) are vital to adaptive immunity. BCL6 and miR-155 are implicated in control of GC reaction and lymphomagenesis. FBXO11 causes BCL6 degradation through ubiquitination in B-cell lymphomas. Chronic psychological stress is known to drive immunosuppression. Corticosterone (CORT) is an adrenal hormone expressed in response to stress and can similarly impair immune functions. However, whether GC formation is disrupted by chronic psychological stress and its molecular mechanism remain to be elucidated. To address this issue, we established a GC formation model in vivo, and a GC B cell differentiation model in vitro. Comparing Naive B cells to GC B cells in vivo and in vitro, the differences of BCL6 and FBXO11 mRNA do not match the changes at the protein level and miR-155 levels that were observed. Next we demonstrated that CORT increase, induced by chronic psychological stress, reduced GC response, IgG1 antibody production and miR-155 level in vivo. The effect of chronic psychological stress can be blocked by a glucocorticoid receptor (GR) antagonist. Similarly, impaired GC B cell generation and isotope class switching were observed. Furthermore, we found that miR-155 and BCL6 expression were downregulated, but FBXO11 expression was upregulated in GC B cells treated with CORT in vitro. In addition, we demonstrated that miR-155 directly down-regulated FBXO11 expression by binding to its 3́-untranslated region. The subsequent overexpression of miR-155 significantly blocked the stress-induced impairment of GC response, due to changes in FBXO11 and BCL6 expression, as well as increased apoptosis in B cells both in vivo and in vitro. Our findings suggest perturbation of GC reaction may play a role in chronic psychological stress-induced immunosuppression through a glucocorticoid pathway, and miR-155-mediated post-transcriptional regulation of FBXO11 and BCL6 expression may contribute to the impaired GC response.
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Arroyo L, Valent D, Carreras R, Peña R, Sabrià J, Velarde A, Bassols A. Housing and road transport modify the brain neurotransmitter systems of pigs: Do pigs raised in different conditions cope differently with unknown environments? PLoS One 2019; 14:e0210406. [PMID: 30650149 PMCID: PMC6334955 DOI: 10.1371/journal.pone.0210406] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 11/06/2018] [Indexed: 12/23/2022] Open
Abstract
How housing and transport conditions may affect welfare in porcine production is a leading topic in livestock research. This study investigated whether pigs present a different neurological response to management conditions and to ascertain whether pigs living partially outdoors cope differently with road transport-associated stress. Twenty-four female pigs were divided in two groups: one living indoors (ID, n = 12) and the other housed combining indoor conditions with 4 hours per day of outdoor pasture (OD, n = 12). After one month, one set of animals from each housing condition were driven in a truck to the slaughterhouse in low-stress conditions (5 min drive, no mixing groups, soft management, LS group, n = 12) or high-stress conditions (2 hours drive, mixing groups, harsh management, HS group, n = 12). At the slaughterhouse, blood was collected, and the prefrontal cortex (PFC) and the hippocampus (HC) dissected. OD pigs had lower serum haptoglobin and increased dopaminergic pathway (DA-system) in the PFC, suggesting that living outdoors increases their wellbeing. HS conditions increased serum creatine kinase (CK) and affected several brain pathways: activation of the noradrenergic (NA-system) and DA -system in the PFC and the activation of the DA-system and an increase in c-Fos as well as a decrease in brain-derived neurotrophic factor (BDNF) in the HC. The serotonergic system (5-HT-system) was mildly altered in both areas. There was an interaction between housing and transport in serum NA and the DA-system in the HC, indicating that living conditions affected the response to stress. Multivariate analysis was able to discriminate the four animal groups. In conclusion, this work indicates that housing conditions and road transport markedly modifies the neurophysiology of pigs, and suggests that animals raised partially outdoors respond differently to transport-associated stress than animals raised indoors, indicating that they cope differently with unknown environments.
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Affiliation(s)
- Laura Arroyo
- Departament de Bioquímica i Biologia Molecular, Facultat de Veterinària, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Spain
| | - Daniel Valent
- Departament de Bioquímica i Biologia Molecular, Facultat de Veterinària, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Spain
| | - Ricard Carreras
- IRTA, Animal Welfare Subprogram, Veïnat de Sies, s/n, Monells, Spain
| | - Raquel Peña
- Departament de Bioquímica i Biologia Molecular, Facultat de Veterinària, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Spain
- Servei de Bioquímica Clínica Veterinària, Facultat de Veterinària, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Spain
| | - Josefa Sabrià
- Departament de Bioquímica i Biologia Molecular, Facultat de Medicina, Institut de Neurociències, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Spain
| | - Antonio Velarde
- IRTA, Animal Welfare Subprogram, Veïnat de Sies, s/n, Monells, Spain
| | - Anna Bassols
- Departament de Bioquímica i Biologia Molecular, Facultat de Veterinària, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Spain
- * E-mail:
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Torres-Berrio A, Nava-Mesa MO. The opioid system in stress-induced memory disorders: From basic mechanisms to clinical implications in post-traumatic stress disorder and Alzheimer's disease. Prog Neuropsychopharmacol Biol Psychiatry 2019; 88:327-338. [PMID: 30118823 DOI: 10.1016/j.pnpbp.2018.08.011] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 07/25/2018] [Accepted: 08/13/2018] [Indexed: 02/07/2023]
Abstract
Cognitive and emotional impairment are a serious consequence of stress exposure and are core features of neurological and psychiatric conditions that involve memory disorders. Indeed, acute and chronic stress are high-risk factors for the onset of post-traumatic stress disorder (PTSD) and Alzheimer's disease (AD), two devastating brain disorders associated with memory dysfunction. Besides the sympathetic nervous system and the hypothalamic-pituitary-adrenal (HPA) axis, stress response also involves the activation of the opioid system in brain regions associated with stress regulation and memory processing. In this context, it is possible that stress-induced memory disorders may be attributed to alterations in the interaction between the neuroendocrine stress system and the opioid system. In this review, we: (1) describe the effects of acute and chronic stress on memory, and the modulatory role of the opioid system, (2) discuss the contribution of the opioid system to the pathophysiology of PTSD and AD, and (3) present evidence of current and potential therapies that target the opioid receptors to treat PTSD- and AD-associated symptoms.
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Affiliation(s)
| | - Mauricio O Nava-Mesa
- Neuroscience Research Group (NEUROS), School of Medicine, Universidad del Rosario, Bogotá, Colombia.
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Zietlow AL, Eckstein M, Hernández C, Nonnenmacher N, Reck C, Schaer M, Bodenmann G, Heinrichs M, Ditzen B. Dyadic Coping and Its Underlying Neuroendocrine Mechanisms - Implications for Stress Regulation. Front Psychol 2019; 9:2600. [PMID: 30687147 PMCID: PMC6333675 DOI: 10.3389/fpsyg.2018.02600] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Accepted: 12/04/2018] [Indexed: 11/23/2022] Open
Abstract
Previous research suggests that neuroendocrine mechanisms underlie inter-individual stress coping in couples. The neuropeptide oxytocin (OT), while regulating stress-sensitive HPA-axis activity might be crucial in this process. The purpose of this study was to examine the impact of dyadic coping abilities and OT on HPA-axis outcomes and constructive behavior during couple conflict. We conducted a secondary analysis of our previous database (Ditzen et al., 2009), assessing the modulating role of dyadic coping and intranasal OT on couple conflict behavior. The data revealed a significant interaction effect of the dyadic coping by oneself score and OT on cortisol responses during couple conflict, suggesting that particularly individuals with low a priori dyadic coping benefit from OT in terms of dampened HPA-activity. The results are in line with previous research suggesting OT’s central role for stress regulation and prosocial behavior. Furthermore, an interaction with dyadic coping indicates adaptations in the sensitivity of the OT system during the individual attachment and relationship history. These data add to the evidence that the neuroendocrine attachment systems influence couple behavior. Future studies of neurobiological mechanisms underlying dyadic coping will be of high relevance for the development of prevention and intervention programs.
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Affiliation(s)
- Anna-Lena Zietlow
- Center for Psychosocial Medicine, Institute of Medical Psychology, Heidelberg University Hospital, Heidelberg, Germany
| | - Monika Eckstein
- Center for Psychosocial Medicine, Institute of Medical Psychology, Heidelberg University Hospital, Heidelberg, Germany
| | - Cristóbal Hernández
- Center for Psychosocial Medicine, Institute of Medical Psychology, Heidelberg University Hospital, Heidelberg, Germany.,School of Psychology, Pontifical Catholic University of Chile, Santiago, Chile
| | - Nora Nonnenmacher
- Center for Psychosocial Medicine, General Psychiatry, Heidelberg University Hospital, Heidelberg, Germany
| | - Corinna Reck
- Department of Psychology, Ludwig-Maximilians-University, Munich, Germany
| | - Marcel Schaer
- School of Applied Psychology, ZHAW Zurich University of Applied Sciences, Zurich, Switzerland
| | - Guy Bodenmann
- Department of Clinical Psychology, Children, Youth and Family, Institute for Psychology, University of Zurich, Zurich, Switzerland
| | - Markus Heinrichs
- Laboratory for Biological and Personality Psychology, Department of Psychology, Albert-Ludwigs-University of Freiburg, Freiburg im Breisgau, Germany
| | - Beate Ditzen
- Center for Psychosocial Medicine, Institute of Medical Psychology, Heidelberg University Hospital, Heidelberg, Germany
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Kumar RS, Narayanan SN, Kumar N, Nayak S. Exposure to Enriched Environment Restores Altered Passive Avoidance Learning and Ameliorates Hippocampal Injury in Male Albino Wistar Rats Subjected to Chronic Restraint Stress. Int J Appl Basic Med Res 2019; 8:231-236. [PMID: 30598910 PMCID: PMC6259305 DOI: 10.4103/ijabmr.ijabmr_379_17] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Aims: The aim of the study was to investigate the effects of exposure to enriched environment (EE) on passive avoidance learning and hippocampal cellular morphology in rats exposed to chronic restraint stress. Materials and Methods: Adult male albino Wistar rats were assigned into the following groups: normal control (NC) remained undisturbed in their home cages; stressed group (S) subjected to restrained stress (6 h/day) followed by housing in standard housing for 21 days; And stressed + EE (S + EE) subjected to restrained stress followed by housing in EE for 21 days. On 22nd day, six animals from each of the three groups were exposed to passive avoidance test. The remaining animals were sacrificed. Hippocampus was isolated and processed for cellular morphology using cresyl violet staining. Statistical Analysis Used: Data were analyzed using one-way analysis of variance followed by Tukey's multiple comparison test (post hoc). Results: Stressed rats exposed to EE showed significant improvement in passive avoidance learning test compared to NC. Quantification of the surviving neurons in the hippocampal subfields and their cellular morphology revealed significant neuroprotection in S + EE in cornu ammonis-2 (CA2) neurons and CA3 hippocampal neurons. No significant changes were found in CA1 hippocampal subfield. Conclusions: The outcome of this study makes us to think the possibilities of adopting EE as an alternative strategy in brain diseases where there is chronic stress and to minimize the impairment in learning and memory.
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Affiliation(s)
- Raju Suresh Kumar
- Department of Basic Sciences, College of Science and Health Professions, King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
| | - Sareesh Naduvil Narayanan
- Department of Physiology, RAK College of Medical Sciences, RAK Medical and Health Sciences University, Ras Al Khaimah, UAE
| | - Naveen Kumar
- Department of Anatomy, Melaka Manipal Medical College Manipal Academy of Higher Education, Karnataka, India
| | - Satheesha Nayak
- Department of Anatomy, Melaka Manipal Medical College Manipal Academy of Higher Education, Karnataka, India
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Cornejo-Pareja I, Clemente-Postigo M, Tinahones FJ. Metabolic and Endocrine Consequences of Bariatric Surgery. Front Endocrinol (Lausanne) 2019; 10:626. [PMID: 31608009 PMCID: PMC6761298 DOI: 10.3389/fendo.2019.00626] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 08/29/2019] [Indexed: 12/17/2022] Open
Abstract
Obesity is one of the most serious worldwide epidemics of the twenty-first century according to the World Health Organization. Frequently associated with a number of comorbidities, obesity threatens and compromises individual health and quality of life. Bariatric surgery (BS) has been demonstrated to be an effective treatment to achieve not only sustained weight loss but also significant metabolic improvement that goes beyond mere weight loss. The beneficial effects of BS on metabolic traits are so widely recognized that some authors have proposed BS as metabolic surgery that could be prescribed even for moderate obesity. However, most of the BS procedures imply malabsorption and/or gastric acid reduction which lead to nutrient deficiency and, consequently, further complications could be developed in the long term. In fact, BS not only affects metabolic homeostasis but also has pronounced effects on endocrine systems other than those exclusively involved in metabolic function. The somatotropic, corticotropic, and gonadal axes as well as bone health have also been shown to be affected by the various BS procedures. Accordingly, further consequences and complications of BS in the long term in systems other than metabolic system need to be addressed in large cohorts, taking into account each bariatric procedure before making generalized recommendations for BS. In this review, current data regarding these issues are summarized, paying special attention to the somatotropic, corticotropic, gonadal axes, and bone post-operative health.
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Affiliation(s)
- Isabel Cornejo-Pareja
- Unidad de Gestión Clínica Endocrinología y Nutrición, Instituto de Investigación Biomédica de Málaga—IBIMA, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, Málaga, Spain
- Centro de Investigación Biomédica en Red (CIBER) Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Málaga, Spain
| | - Mercedes Clemente-Postigo
- Unidad de Gestión Clínica Endocrinología y Nutrición, Instituto de Investigación Biomédica de Málaga—IBIMA, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, Málaga, Spain
- Centro de Investigación Biomédica en Red (CIBER) Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Málaga, Spain
- *Correspondence: Mercedes Clemente-Postigo
| | - Francisco J. Tinahones
- Unidad de Gestión Clínica Endocrinología y Nutrición, Instituto de Investigación Biomédica de Málaga—IBIMA, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, Málaga, Spain
- Centro de Investigación Biomédica en Red (CIBER) Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Málaga, Spain
- Francisco J. Tinahones
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Lengacher CA, Reich RR, Paterson CL, Shelton M, Shivers S, Ramesar S, Pleasant ML, Budhrani-Shani P, Groer M, Post-White J, Johnson-Mallard V, Kane B, Cousin L, Moscoso MS, Romershausen TA, Park JY. A Large Randomized Trial: Effects of Mindfulness-Based Stress Reduction (MBSR) for Breast Cancer (BC) Survivors on Salivary Cortisol and IL-6. Biol Res Nurs 2019; 21:39-49. [PMID: 30079756 PMCID: PMC6700883 DOI: 10.1177/1099800418789777] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Breast cancer survivors (BCS) often experience psychological and physiological symptoms after cancer treatment. Mindfulness-based stress reduction (MBSR), a complementary and alternative therapy, has reduced subjective measures of stress, anxiety, and fatigue among BCS. Little is known, however, about how MBSR affects objective markers of stress, specifically the stress hormone cortisol and the pro-inflammatory cytokine interleukin-6 (IL-6). In the present study, BCS ( N = 322) were randomly assigned to a 6-week MBSR program for BC or usual-care control. Measurements of cortisol, IL-6, symptoms, and quality of life were obtained at orientation and 6 weeks. Cortisol and IL-6 were also measured prior to and after the MBSR(BC) class Weeks 1 and 6. The mean age of participants was 56.6 years and 69.4% were White non-Hispanic. Most had Stage I (33.8%) or II (35.7%) BC, and 35.7% had received chemotherapy and radiation. Cortisol levels were reduced immediately following MBSR(BC) class compared to before the class Weeks 1 and 6 (Wilcoxon-signed rank test; p < .01, d = .52-.56). IL-6 was significantly reduced from pre- to postclass at Week 6 (Wilcoxon-signed rank test; p < .01, d = .21). No differences were observed between the MBSR(BC) and control groups from baseline to Week 6 using linear mixed models. Significant relationships with small effect sizes were observed between IL-6 and both symptoms and quality of life in both groups. Results support the use of MBSR(BC) to reduce salivary cortisol and IL-6 levels in the short term in BCS.
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Affiliation(s)
| | - Richard R. Reich
- H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | | | - Melissa Shelton
- College of Nursing, University of South Florida, Tampa, FL, USA
| | - Steve Shivers
- Department of Surgery, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - Sophia Ramesar
- College of Nursing, University of South Florida, Tampa, FL, USA
| | | | | | - Maureen Groer
- College of Nursing, University of South Florida, Tampa, FL, USA
| | | | | | - Bradley Kane
- College of Nursing, University of South Florida, Tampa, FL, USA
| | - Lakeshia Cousin
- College of Nursing, University of South Florida, Tampa, FL, USA
| | | | | | - Jong Y. Park
- H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
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Molenaar NM, Tiemeier H, van Rossum EFC, Hillegers MHJ, Bockting CLH, Hoogendijk WJG, van den Akker EL, Lambregtse-van den Berg MP, El Marroun H. Prenatal maternal psychopathology and stress and offspring HPA axis function at 6 years. Psychoneuroendocrinology 2019; 99:120-127. [PMID: 30223193 DOI: 10.1016/j.psyneuen.2018.09.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2018] [Revised: 08/30/2018] [Accepted: 09/03/2018] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Intrauterine exposures such as maternal psychopathology and stress are known to influence the physical and mental health of the offspring. One of the proposed pathways underlying these associations is dysregulated hypothalamic-pituitary-adrenal (HPA) axis activity in the offspring. This study examined the relation of perinatal maternal symptoms of psychopathology and stress with offspring HPA axis activity at 6 years as measured by hair cortisol and cortisone concentrations. METHODS The study was part of the population-based Generation R Study, a prospective population-based cohort from fetal life onwards. 2546 children and their mothers formed the study population. Perinatal maternal psychopathology and stress were assessed by questionnaires in the second and third trimester. Principal components for both psychopathology and stress were created to reduce the number of explanatory variables. Child hair samples for cortisol and cortisone measurements were collected at the age of 6. Linear regression analysis, adjusted for covariates, was used to examine associations between maternal psychopathology and stress and child hair cortisol and cortisone levels. RESULTS The maternal psychopathology principal component was associated with higher child hair cortisone (adjusted B = 0.24, 95%CI 0.08;0.40, p-value < 0.01). Effect estimates of the individual dimensions ranged from 0.97 (95%CI 0.21;1.73, p-value = 0.01) for interpersonal sensitivity to 1.67 (95%CI 0.86;2.47, p-value < 0.01) for paranoid ideation. In addition, children exposed to intrauterine stress, as measured by the principal component, had higher hair cortisone levels (adjusted B = 0.54, 95%CI 0.21;0.88, p-value < 0.01). Exposure to maternal psychopathology and stress was not associated with offspring hair cortisol. Stratification by child sex resulted in associations between maternal symptoms of psychopathology during pregnancy and child hair cortisone levels in boys and associations between maternal symptoms of stress during pregnancy and child hair cortisone levels in girls. CONCLUSION Our results suggest that maternal psychopathology and stress during pregnancy are associated with long-term HPA axis activity of the offspring. The association of maternal psychopathology and stress during pregnancy with offspring hair cortisone levels is a novel finding. Future studies should examine whether these psychophysiological differences between exposed and non-exposed children underlie offspring morbidity associated with maternal psychopathology and stress during pregnancy.
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Affiliation(s)
- N M Molenaar
- The Department of Psychiatry, Erasmus Medical Center, Rotterdam, The Netherlands
| | - H Tiemeier
- The Department of Child and Adolescent Psychiatry, Erasmus Medical Center, Sophia Children's Hospital, Rotterdam, The Netherlands; The Department of Social and Behavioral Sciences, Harvard TH Chan School of Public Health, Boston, USA
| | - E F C van Rossum
- The Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
| | - M H J Hillegers
- The Department of Child and Adolescent Psychiatry, Erasmus Medical Center, Sophia Children's Hospital, Rotterdam, The Netherlands
| | - C L H Bockting
- The Department of Psychiatry, Amsterdam University Medical Centers, Location AMC, University of Amsterdam, Amsterdam, The Netherlands
| | - W J G Hoogendijk
- The Department of Psychiatry, Erasmus Medical Center, Rotterdam, The Netherlands
| | - E L van den Akker
- The Department of Pediatrics, Erasmus Medical Center, Rotterdam, The Netherlands
| | - M P Lambregtse-van den Berg
- The Department of Psychiatry, Erasmus Medical Center, Rotterdam, The Netherlands; The Department of Child and Adolescent Psychiatry, Erasmus Medical Center, Sophia Children's Hospital, Rotterdam, The Netherlands
| | - H El Marroun
- The Department of Child and Adolescent Psychiatry, Erasmus Medical Center, Sophia Children's Hospital, Rotterdam, The Netherlands; The Department of Pediatrics, Erasmus Medical Center, Rotterdam, The Netherlands; The Department of Psychology, Education and Child Studies, Erasmus School of Social and Behavioural Sciences, Rotterdam, The Netherlands.
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225
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McCreary JK, Erickson ZT, Paxman E, Kiss D, Montina T, Olson DM, Metz GAS. The rat cumulative allostatic load measure (rCALM): a new translational assessment of the burden of stress. ENVIRONMENTAL EPIGENETICS 2019; 5:dvz005. [PMID: 31065381 PMCID: PMC6500369 DOI: 10.1093/eep/dvz005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 03/25/2019] [Indexed: 06/09/2023]
Abstract
Determinants of lifetime health are complex and emphasize the need for robust predictors of disease risk. Allostatic load (AL) has become a clinical framework to estimate the cumulative biological burden associated with chronic stress. To assist knowledge translation in the developmental origins of health and disease field, clinically valid methods for reliable AL assessment in experimental models are urgently needed. Here, we introduce the rat cumulative allostatic load measure (rCALM), as a new preclinical knowledge translation tool to assess the burden of chronic stress. First, we identified an array of stress-associated physiological markers that are particularly sensitive to hypothalamic-pituitary-adrenal axis dysregulation by ancestral prenatal stress. Second, we determined which of these markers are susceptible to an intervention by environmental enrichment (EE) to mitigate AL. The markers most responsive to stress and EE therapy were assembled to become operationalized in the rCALM. Third, the new rCALM was validated for the ability to indicate future disease risks. The results show that the rCALM estimates the burden of chronic stress and serves as a proxy to estimate stress resilience and vulnerability to disease. Using the rCALM we showed that enrichment therapy can offset the adverse health outcomes linked to a high AL. Thus, the rCALM provides a model for the development of new test strategies that facilitate knowledge translation in preclinical animal models.
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Affiliation(s)
- J Keiko McCreary
- Department of Neuroscience, Canadian Centre for Behavioural Neuroscience, University of Lethbridge, Lethbridge, Alberta, Canada
| | - Zachary T Erickson
- Department of Neuroscience, Canadian Centre for Behavioural Neuroscience, University of Lethbridge, Lethbridge, Alberta, Canada
| | - Eric Paxman
- Department of Neuroscience, Canadian Centre for Behavioural Neuroscience, University of Lethbridge, Lethbridge, Alberta, Canada
| | - Douglas Kiss
- Department of Neuroscience, Canadian Centre for Behavioural Neuroscience, University of Lethbridge, Lethbridge, Alberta, Canada
| | - Tony Montina
- Department of Chemistry and Biochemistry, University of Lethbridge, Lethbridge, Alberta, Canada
| | - David M Olson
- Department of Neuroscience, Canadian Centre for Behavioural Neuroscience, University of Lethbridge, Lethbridge, Alberta, Canada
- Departments of Obstetrics and Gynecology, Pediatrics and Physiology, University of Alberta, Edmonton, Alberta, Canada
| | - Gerlinde A S Metz
- Department of Neuroscience, Canadian Centre for Behavioural Neuroscience, University of Lethbridge, Lethbridge, Alberta, Canada
- Departments of Obstetrics and Gynecology, Pediatrics and Physiology, University of Alberta, Edmonton, Alberta, Canada
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Skórzewska A, Wisłowska-Stanek A, Lehner M, Turzyńska D, Sobolewska A, Krząścik P, Szyndler J, Maciejak P, Płaźnik A. The effect of a corticotropin-releasing factor receptor 1 antagonist on the fear conditioning response in low- and high-anxiety rats after chronic corticosterone administration. Stress 2019; 22:113-122. [PMID: 30345859 DOI: 10.1080/10253890.2018.1505857] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Abstract
This study aimed to test the hypothesis that high-anxiety (HR) rats are more sensitive to the effects of chronic corticosterone administration and antalarmin (corticotropin-releasing factor (CRF) receptor 1, CRF1 antagonist) injections than low-anxiety (LR) rats, and this effect is accompanied by changes in CRF system activity in brain regions involved in the control of emotions and the hypothalamic-pituitary-adrenal (HPA) axis. Male rats were divided into LR (n = 25) and HR (n = 30) groups according to the duration of conditioned freezing in a contextual fear test. Chronic corticosterone administration (by injection, 20 mg/kg) for 21 d (except weekends) increased freezing duration and number of GR (glucocorticoid receptor)-immunoreactive nuclei in the basal amygdala (BA) and decreased GR-immunoreactive nuclei in the infralimbic cortex (IL), dentate gyrus (DG), and CA3 area, only in the HR group. Moreover, in this group, corticosterone administration decreased number of CRF-immunoreactive neurons of the parvocellular paraventricular hypothalamic nucleus (pPVN), DG, and CA1. Antalarmin (10 mg/kg, i.p., 2 injections) significantly attenuated conditioned fear responses, increased plasma corticosterone concentration, and decreased GR-immunoreactive nuclei in the BA, only in the HR group. Moreover, in this group, antalarmin increased number of GR-immunoreactive nuclei in the IL, DG, and CA3 and increased number of CRF-immunoreactive cells in the pPVN, DG, and CA1. Hence, antalarmin attenuated the fear response and restored HPA axis function in HR rats, which were more sensitive to corticosterone exposure. These data suggest that individual differences in central local CRF system activity may determine the neurobiological mechanisms related to mood and emotional disorders.
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Affiliation(s)
- Anna Skórzewska
- a Department of Neurochemistry , Institute of Psychiatry and Neurology , Warsaw , Poland
| | - Aleksandra Wisłowska-Stanek
- b Department of Experimental and Clinical Pharmacology , Centre for Preclinical Research and Technology CePT, Medical University of Warsaw , Warsaw , Poland
| | - Małgorzata Lehner
- a Department of Neurochemistry , Institute of Psychiatry and Neurology , Warsaw , Poland
| | - Danuta Turzyńska
- a Department of Neurochemistry , Institute of Psychiatry and Neurology , Warsaw , Poland
| | - Alicja Sobolewska
- a Department of Neurochemistry , Institute of Psychiatry and Neurology , Warsaw , Poland
| | - Paweł Krząścik
- b Department of Experimental and Clinical Pharmacology , Centre for Preclinical Research and Technology CePT, Medical University of Warsaw , Warsaw , Poland
| | - Janusz Szyndler
- b Department of Experimental and Clinical Pharmacology , Centre for Preclinical Research and Technology CePT, Medical University of Warsaw , Warsaw , Poland
| | - Piotr Maciejak
- a Department of Neurochemistry , Institute of Psychiatry and Neurology , Warsaw , Poland
- b Department of Experimental and Clinical Pharmacology , Centre for Preclinical Research and Technology CePT, Medical University of Warsaw , Warsaw , Poland
| | - Adam Płaźnik
- a Department of Neurochemistry , Institute of Psychiatry and Neurology , Warsaw , Poland
- b Department of Experimental and Clinical Pharmacology , Centre for Preclinical Research and Technology CePT, Medical University of Warsaw , Warsaw , Poland
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227
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The relation of alexithymia, chronic perceived stress and declarative memory performance: Results from the general population. Psychiatry Res 2019; 271:405-411. [PMID: 30530059 DOI: 10.1016/j.psychres.2018.12.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 11/12/2018] [Accepted: 12/05/2018] [Indexed: 11/23/2022]
Abstract
Previous evidence showed associations of alexithymia with altered declarative memory performance. However, these findings were not fully consistent and the underlying mechanism remains unclear. Alexithymic subjects may be at specific risk for chronic psychosocial stress, which in turn represents a predictor for poorer memory performance. We investigated independent and interaction effects of alexithymia and chronic perceived stress on declarative memory performance. Data were used from two independent general-population samples from the Study of Health in Pomerania (SHIP). In sample 1 (N = 1981), the Auditory Verbal Learning Test, the Toronto Alexithymia Scale (TAS-20) and the Screening Scale for Chronic Stress (SSCS) were applied. In sample 2 (N = 3799), the word list of the Nuremburg Age Inventory and TAS-20 were administered to replicate findings. Alexithymia was significantly associated with poorer immediate and delayed word recall. Chronic stress negatively predicted immediate, but not delayed recall. Alexithymia and particularly "Difficulties Identifying Feelings" showed significant associations with chronic perceived stress. Our findings provide clear evidence for an association of alexithymia with impaired declarative memory performance for words. The strong association of alexithymia with perceived chronic stress could contribute to explain the association of alexithymia with stress-related disorders.
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228
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Quadrelli S, Mountford C, Ramadan S. Systematic review of in-vivo neuro magnetic resonance spectroscopy for the assessment of posttraumatic stress disorder. Psychiatry Res Neuroimaging 2018; 282:110-125. [PMID: 30097168 DOI: 10.1016/j.pscychresns.2018.07.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 07/18/2018] [Accepted: 07/19/2018] [Indexed: 10/28/2022]
Abstract
Posttraumatic stress disorder (PTSD) is a trauma and stressor-related disorder that results in complex somatic, cognitive, affective and behavioural effects, after exposure to traumatic event(s). Conventional imaging (T1 and T2 weighted magnetic resonance imaging) has little to offer in the way of diagnosis of mental health conditions such as PTSD and there is currently no objective diagnostic test available. Magnetic resonance spectroscopy (MRS) allows for non-invasive measurement of metabolites and neurochemicals in the brain using a conventional MRI scanner and offers the potential to predict, diagnose and monitor PTSD. This systematic review summarises the results of 24 MRS studies, performed between 1998 and 2017, to measure neurochemical differences, occurring as a consequence of PTSD. The most consistent finding in subjects with PTSD is lower N-acetylaspartate levels in the hippocampus and anterior cingulate cortex, with and without atrophic change. More recent studies, using more advanced techniques and modern hardware, have shown evidence of glutamatergic dysfunction and differences in gamma-aminobutyric acid levels in the brain of patients with PTSD. Conflicting results have been reported in choline-containing metabolites and there is emerging evidence of glutathione being affected. Myo-inositol and creatine are unchanged in the majority of studies.
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Affiliation(s)
- Scott Quadrelli
- School of Health Sciences, Faculty of Health and Medicine, The University of Newcastle, Callaghan, NSW 2308, Australia; Department of Radiology, Princess Alexandra Hospital, 199 Ipswich Road, Woolloongabba, QLD 4024, Australia; The Translational Research Institute, Woolloongabba, QLD 4024, Australia; The University of Queensland, St Lucia, QLD 4072, Australia.
| | - Carolyn Mountford
- The Translational Research Institute, Woolloongabba, QLD 4024, Australia
| | - Saadallah Ramadan
- School of Health Sciences, Faculty of Health and Medicine, The University of Newcastle, Callaghan, NSW 2308, Australia
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229
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Trofimiuk E, Wielgat P, Braszko JJ, Car H. Stress and Ketamine, Bimodal Influence on Cognitive Functions. Behav Brain Res 2018; 360:354-364. [PMID: 30562568 DOI: 10.1016/j.bbr.2018.12.030] [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: 08/20/2018] [Revised: 12/04/2018] [Accepted: 12/14/2018] [Indexed: 10/27/2022]
Abstract
The glutamate N-methyl-D-aspartate receptor (NMDAR) non-selective antagonist, ketamine, has been recently repurposed as a rapidly acting antidepressant, catalyzing the vigorous investigation of glutamate-signaling modulators as novel therapeutic agents for depressive disorders. Beneficial effects of this drug in the quick-acting treatment of depression are recognized. The long-term effects of ketamine have not been known, including the cognitive sphere. It is well acknowledged that prolonged exposure to stress induces depression and cognitive impairment. It seemed reasonable to ask how the long-term ketamine administration would affect stressed animals in the aspect of cognitive functions. In the current study we tested whether it is possible for ketamine, used in prolonged-regimen in rats, to alleviate stress-evoked memory deficits? Stressed (restraint 2 h daily for 21 days) and non-stressed rats (6-weeks-old) were treated with ketamine for 21 days and next subjected to a battery of behavioral tests: for the assessment of working and reference spatial memory (Morris water maze (MWM) and Barnes maze (BM)), stereotypy (stereotypy test - ST), locomotor functions (Open field - OF) and anxiety behavior (Elevated plus maze - EPM). Ketamine administration resulted in a significant stereotype behaviour in rats tested in ST. Stressed rats displayed a significant decline in the spatial working and reference memory. The effect of chronic ketamine administration depended on the type of test and differed between control rats and animals simultaneously exposed to chronic stress. However, in the MWM the impact was quite unequivocal, as we observed an improvement in spatial memory in stressed animals and a deterioration in non-stressed animals after ketamine administration. In the BM, the effect of ketamine changed in successive attempts, from favorable in the initial period to negative at the end of the test in the group of stressed animals and without a significant impact on control animals. We found no significant effects of ketamine on locomotor performance and on the level of anxiety. Taken together, these findings demonstrate that ketamine potently abolishes or prevents some kinds of stress-induced memory impairments and cognitive decline in rats, although in some circumstances, it could even increase damage to memory, especially in unstressed animals. It seems that the prolonged use of ketamine in the prevention of stress-induced memory declines can fulfill its role.
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Affiliation(s)
- Emil Trofimiuk
- Department of Clinical Pharmacology, Medical University of Bialystok, Waszyngtona 15A, 15-274 Bialystok, Poland.
| | - Przemysław Wielgat
- Department of Clinical Pharmacology, Medical University of Bialystok, Waszyngtona 15A, 15-274 Bialystok, Poland
| | - Jan J Braszko
- Department of Clinical Pharmacology, Medical University of Bialystok, Waszyngtona 15A, 15-274 Bialystok, Poland
| | - Halina Car
- Department of Clinical Pharmacology, Medical University of Bialystok, Waszyngtona 15A, 15-274 Bialystok, Poland
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230
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Sabri B, Granger DA. Gender-based violence and trauma in marginalized populations of women: Role of biological embedding and toxic stress. Health Care Women Int 2018; 39:1038-1055. [PMID: 30906110 PMCID: PMC6428086 DOI: 10.1080/07399332.2018.1491046] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Revised: 06/17/2018] [Accepted: 06/17/2018] [Indexed: 12/28/2022]
Abstract
Gender-based violence (GBV) and trauma can dysregulate and recalibrate environmentally sensitive physiological (i.e. central nervous, endocrine, and immune) systems placing survivors at risk for multiple health problems. The researchers build the case that the effects of GBV are likely to be particularly high impact and contribute to health disparities for marginalized survivors of GBV. Further, the researchers underscore a need for a multi-level bio-socio-ecological model that deciphers, characterizes, and explains individual differences in these effects and the need to establish an evidence base from which to derive interventions that address biological effects of toxic stress among marginalized survivors of GBV.
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Affiliation(s)
- Bushra Sabri
- Institute for Interdisciplinary Salivary Bioscience Research, University of California Irvine, Irvine,CA, USA
- Department of Community and Public Health Nursing, Johns Hopkins University, School of Nursing, Baltimore, MD, USA
| | - Douglas A. Granger
- Institute for Interdisciplinary Salivary Bioscience Research, University of California Irvine, Irvine,CA, USA
- Department of Community and Public Health Nursing, Johns Hopkins University, School of Nursing, Baltimore, MD, USA
- Department of Acute and Chronic Care, Johns Hopkins, University School of Nursing, Baltimore, MD, USA
- Department of Population, Family and Reproductive Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
- Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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231
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Huhn D, Schmid C, Erschens R, Junne F, Herrmann-Werner A, Möltner A, Herzog W, Nikendei C. A Comparison of Stress Perception in International and Local First Semester Medical Students Using Psychometric, Psychophysiological, and Humoral Methods. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:E2820. [PMID: 30544950 PMCID: PMC6313433 DOI: 10.3390/ijerph15122820] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Revised: 12/04/2018] [Accepted: 12/05/2018] [Indexed: 12/27/2022]
Abstract
(1) Medical doctors and medical students show increased psychological stress levels. International medical students seem to be particularly vulnerable. (2) We compared different methods of assessing stress levels in international and local first year medical students. First, study participants completed questionnaires related to stress, depression, empathy, and self-efficacy (MBI, PSQ, PHQ-9, JSPE-S, and GSE) at three separate points in time (T1 to T3). Second, their heart rate variabilities (HRVs) were recorded in an oral examination, a seminar, and in a relaxing situation. Third, hair samples were collected at the beginning and at the end of the semester to assess the cortisol concentration. (3) Included were 20 international and 20 local first semester medical students. At T1, we found considerable differences between international and local students in the JSPE-S; at T2 in the MBI factor "professional efficacy", the PHQ-9, and in the JSPE-S; and at T3 in the MBI factors "cynicism" and "professional efficacy", the PHQ-9, and in the JSPE-S. International and local students also differed concerning their HRVs during relaxation. Over the course of the semester, international students showed changes in the MBI factors "emotional exhaustion" and "professional efficacy", the PHQ-9, and the GSE. Local students showed changes in the GSE. No effects were found for students' hair cortisol concentrations. (4) All participants showed low levels of stress. However, while international students experienced their stress levels to decrease over the course of the semester, local students found their stress levels to increase.
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Affiliation(s)
- Daniel Huhn
- Department of General Internal Medicine and Psychosomatics, University Hospital Heidelberg, Ruprecht-Karls-University Heidelberg, 69115 Heidelberg, Germany.
| | - Carolin Schmid
- Department of General Internal Medicine and Psychosomatics, University Hospital Heidelberg, Ruprecht-Karls-University Heidelberg, 69115 Heidelberg, Germany.
| | - Rebecca Erschens
- Department of Psychosomatic Medicine and Psychotherapy, Medical University Hospital Tubingen, Eberhard-Karls-University Tubingen, 72076 Tubingen, Germany.
| | - Florian Junne
- Department of Psychosomatic Medicine and Psychotherapy, Medical University Hospital Tubingen, Eberhard-Karls-University Tubingen, 72076 Tubingen, Germany.
| | - Anne Herrmann-Werner
- Department of Psychosomatic Medicine and Psychotherapy, Medical University Hospital Tubingen, Eberhard-Karls-University Tubingen, 72076 Tubingen, Germany.
| | - Andreas Möltner
- Competence Centre for Examinations in Medicine, Baden-Württemberg, 69120 Heidelberg, Germany.
| | - Wolfgang Herzog
- Department of General Internal Medicine and Psychosomatics, University Hospital Heidelberg, Ruprecht-Karls-University Heidelberg, 69115 Heidelberg, Germany.
| | - Christoph Nikendei
- Department of General Internal Medicine and Psychosomatics, University Hospital Heidelberg, Ruprecht-Karls-University Heidelberg, 69115 Heidelberg, Germany.
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232
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Barfield ET, Gourley SL. Prefrontal cortical trkB, glucocorticoids, and their interactions in stress and developmental contexts. Neurosci Biobehav Rev 2018; 95:535-558. [PMID: 30477984 PMCID: PMC6392187 DOI: 10.1016/j.neubiorev.2018.10.015] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 09/14/2018] [Accepted: 10/23/2018] [Indexed: 02/07/2023]
Abstract
The tropomyosin/tyrosine receptor kinase B (trkB) and glucocorticoid receptor (GR) regulate neuron structure and function and the hormonal stress response. Meanwhile, disruption of trkB and GR activity (e.g., by chronic stress) can perturb neuronal morphology in cortico-limbic regions implicated in stressor-related illnesses like depression. Further, several of the short- and long-term neurobehavioral consequences of stress depend on the developmental timing and context of stressor exposure. We review how the levels and activities of trkB and GR in the prefrontal cortex (PFC) change during development, interact, are modulated by stress, and are implicated in depression. We review evidence that trkB- and GR-mediated signaling events impact the density and morphology of dendritic spines, the primary sites of excitatory synapses in the brain, highlighting effects in adolescents when possible. Finally, we review the role of neurotrophin and glucocorticoid systems in stress-related metaplasticity. We argue that better understanding the long-term effects of developmental stressors on PFC trkB, GR, and related factors may yield insights into risk for chronic, remitting depression and related neuropsychiatric illnesses.
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Affiliation(s)
- Elizabeth T Barfield
- Department of Pediatrics, Emory University, 954 Gatewood Rd. NE, Atlanta, GA, 30329, USA; Graduate Program in Neuroscience, Emory University, 954 Gatewood Rd. NE, Atlanta, GA, 30329, USA; Yerkes National Primate Research Center, Emory University, 954 Gatewood Rd. NE, Atlanta, GA, 30329, USA; Department of Psychiatry and Behavioral Sciences, Emory University, 954 Gatewood Rd. NE, Atlanta, GA, 30329, USA.
| | - Shannon L Gourley
- Department of Pediatrics, Emory University, 954 Gatewood Rd. NE, Atlanta, GA, 30329, USA; Graduate Program in Neuroscience, Emory University, 954 Gatewood Rd. NE, Atlanta, GA, 30329, USA; Yerkes National Primate Research Center, Emory University, 954 Gatewood Rd. NE, Atlanta, GA, 30329, USA; Department of Psychiatry and Behavioral Sciences, Emory University, 954 Gatewood Rd. NE, Atlanta, GA, 30329, USA; Molecular and Systems Pharmacology Program, Emory University, 954 Gatewood Rd. NE, Atlanta, GA, 30329, USA.
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233
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Gómez-Coronado N, Sethi R, Bortolasci CC, Arancini L, Berk M, Dodd S. A review of the neurobiological underpinning of comorbid substance use and mood disorders. J Affect Disord 2018; 241:388-401. [PMID: 30145509 DOI: 10.1016/j.jad.2018.08.041] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 07/09/2018] [Accepted: 08/10/2018] [Indexed: 12/19/2022]
Abstract
BACKGROUND There is evidence that substance use disorders and other mental disorders may have shared biological mechanisms. However, the neurobiological basis of this comorbidity remains only partially explained. This review describes the historical evolution of the dual disorders concept and approach, and reviews the existing literature on neurobiological findings specifically regarding comorbid substance use and mood disorders. METHODS Searches were conducted using PubMed and Scopus in December 2017. A Boolean search was performed using combinations of "dual diagnosis" or "dual disorder" or "depression" or "bipolar" or "affective disorder" or "mood disorder" and "substance use" or "substance abuse" and "neurobiology" or "functional neuroimaging" or "genetics" or "neurotransmitters" or "neuroendocrinology" in the title or abstract, or as keywords, using no language restriction. RESULTS 32 studies met the inclusion criteria. We found robust evidence for involvement of the neurotransmitters dopamine, GABA and glutamate and their receptors, as well as by the central corticotrophin-releasing hormone, hypothalamic-pituitary-adrenal axis activation, oxidative stress and inflammation. Recent studies focusing on neuroimaging and genetics have not shown consistent results. LIMITATIONS Only two search tools were used; most identified studies excluded the population of interest (comorbid mood and substance abuse disorders). CONCLUSIONS The neurobiological relevance for the occurrence of comorbid mood and substance abuse disorders has not been fully elucidated. Considering the high levels of individuals who experience comorbidity in these areas as well as the negative associated outcomes, this is clearly an area that requires further in-depth investigation. Furthermore, findings from this area can help to inform drug abuse prevention and intervention efforts, and especially how they relate to populations with psychiatric symptoms.
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Affiliation(s)
- Nieves Gómez-Coronado
- Unidad de Gestión Clínica Salud Mental, Hospital Universitario Virgen del Rocío, Sevilla, Spain; Department of Psychiatry, Hospital San Agustín ORL, Dos Hermanas, Sevilla, Spain
| | - Rickinder Sethi
- London Health Sciences Centre, Western University, London, Canada
| | - Chiara Cristina Bortolasci
- Centre for Molecular and Medical Research, School of Medicine, Deakin University, Geelong, VIC, Australia
| | - Lauren Arancini
- IMPACT Strategic Research Centre, Deakin University, Geelong, VIC, Australia
| | - Michael Berk
- IMPACT Strategic Research Centre, Deakin University, Geelong, VIC, Australia; University Hospital Geelong, Barwon Health, Geelong VIC, Australia; Department of Psychiatry, The University of Melbourne, Parkville, VIC, Australia; Orygen, The National Centre for Excellence in Youth Mental Health, Parkville, VIC, Australia; Florey Institute of Neuroscience and Mental Health, Parkville, VIC, Australia
| | - Seetal Dodd
- IMPACT Strategic Research Centre, Deakin University, Geelong, VIC, Australia; University Hospital Geelong, Barwon Health, Geelong VIC, Australia; Department of Psychiatry, The University of Melbourne, Parkville, VIC, Australia; Orygen, The National Centre for Excellence in Youth Mental Health, Parkville, VIC, Australia.
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234
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Ma L, Shen Q, Yang S, Xie X, Xiao Q, Yu C, Cao L, Fu Z. Effect of chronic corticosterone-induced depression on circadian rhythms and age-related phenotypes in mice. Acta Biochim Biophys Sin (Shanghai) 2018; 50:1236-1246. [PMID: 30395149 DOI: 10.1093/abbs/gmy132] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Indexed: 12/18/2022] Open
Abstract
Disrupted circadian rhythms are a recognized effect of depression, and our previous article demonstrated an association between depression and premature aging, but the underlying mechanisms are not well understood. In the present study, we used a mouse model of chronic corticosterone (CORT)-treated depression to elucidate a mechanism by which depression may be associated with the circadian clock and mediate age-related phenotypes. Mice received a daily injection of 20 mg/kg CORT for 21 consecutive days, and the depression-like behaviors of mice were identified by the sucrose intake test, tail suspension test and open field test. Our findings indicated that CORT injection may be correlated with the circadian clock by impairing circadian rhythms or shifting the phase values of clock genes. We also showed that CORT-treated mice exhibited a significant gradual reduction in body weight gain with increased oxidative stress, including reduced activity of antioxidant-related enzymes, reduced glutathione:glutathione disulfide ratio and cytochrome (Cyt)-C level, and elevated reactive oxygen species content. Moreover, chronic CORT injection affected inflammatory responses, the production of mitochondrial ATP and telomere shortening, which may be associated with the Sirtuin 3 (SIRT3) signaling pathway. Additionally, chronic CORT injection disrupted the circadian rhythms of some indexes of aging phenotypes and altered the phase values of these indexes. Our findings suggest that psychologically stressful conditions such as depression are linked to changes in circadian rhythms and age-related phenotypes.
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Affiliation(s)
- Lingyan Ma
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Qichen Shen
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Song Yang
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Xiaoxian Xie
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Qingfeng Xiao
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Chuanan Yu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Lisha Cao
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Zhengwei Fu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
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235
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Xavier G, Spindola LM, Ota VK, Carvalho CM, Maurya PK, Tempaku PF, Moretti PN, Mazotti DR, Sato JR, Brietzke E, Miguel EC, Grassi-Oliveira R, Mari J, Bressan RA, Gadelha A, Pan PM, Belangero SI. Effect of male-specific childhood trauma on telomere length. J Psychiatr Res 2018; 107:104-109. [PMID: 30384090 DOI: 10.1016/j.jpsychires.2018.10.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 09/10/2018] [Accepted: 10/18/2018] [Indexed: 10/28/2022]
Abstract
Child maltreatment (CM) is a global issue with serious lifelong consequences. In fact, maltreatment during childhood might be an important risk factor for the development of psychiatric disorders. Furthermore, previous studies showed a strong relationship between telomere length (TL) and early life stress. Considering that only a few studies have evaluated this relationship in children and that even fewer considered the sex as a possible moderator, we investigated whether TL in the blood of both children and adolescents was associated with psychopathology and with a history of CM, and whether these associations were moderated by the sex. In this cross-sectional study, 561 individuals (ranging between 6 and 14 years of age) from a large prospective community school-based study, i.e., the Brazilian High-Risk Cohort (HRC), were evaluated. The Child Behavior Checklist (CBCL) score was used to assess psychopathology, whereas a latent variable encompassing some questions about history of adverse environment and trauma was employed to determine the CM history. TL was measured in blood cells using a multiplex quantitative polymerase chain reaction. Additionally, TL was inserted in two moderation models, in which the CBCL score/CM, TL and sex were the independent variables, the outcome, and the moderator variable, respectively. Although an association between psychiatric symptoms and TL was not observed, a relation between CM and TL moderated by the sex was seen, indicating that males with higher CM scores presented with shorter telomeres than did females. Our results suggest that child maltreatment could influence telomere length in both children and adolescents and that this effect is mediated by the sex.
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Affiliation(s)
- Gabriela Xavier
- Genetics Division of Department of Morphology and Genetics of Universidade Federal de Sao Paulo (UNIFESP), Brazil; LiNC - Interdisciplinary Laboratory of Clinical Neurosciences of UNIFESP, Brazil
| | - Letícia M Spindola
- Genetics Division of Department of Morphology and Genetics of Universidade Federal de Sao Paulo (UNIFESP), Brazil; LiNC - Interdisciplinary Laboratory of Clinical Neurosciences of UNIFESP, Brazil; Department of Psychiatry of UNIFESP, Brazil
| | - Vanessa K Ota
- Genetics Division of Department of Morphology and Genetics of Universidade Federal de Sao Paulo (UNIFESP), Brazil; LiNC - Interdisciplinary Laboratory of Clinical Neurosciences of UNIFESP, Brazil
| | - Carolina M Carvalho
- Genetics Division of Department of Morphology and Genetics of Universidade Federal de Sao Paulo (UNIFESP), Brazil; LiNC - Interdisciplinary Laboratory of Clinical Neurosciences of UNIFESP, Brazil; Department of Psychiatry of UNIFESP, Brazil
| | - Pawan Kumar Maurya
- LiNC - Interdisciplinary Laboratory of Clinical Neurosciences of UNIFESP, Brazil; Department of Biochemistry, Central University of Haryana, Mahendergarh, Haryana, India
| | | | - Patricia N Moretti
- LiNC - Interdisciplinary Laboratory of Clinical Neurosciences of UNIFESP, Brazil; Department of Genetics and Morphology, Universidade de Brasília (UNB) Brasília, Brazil
| | - Diego R Mazotti
- Center for Sleep and Circadian Neurobiology, University of Pennsylvania, Philadelphia, United States
| | - João Ricardo Sato
- Center of Mathematics, Computation and Cognition, Universidade Federal do ABC, Brazil
| | | | | | - Rodrigo Grassi-Oliveira
- Post-Graduation Program in Psychology, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Brazil; Developmental Cognitive Neuroscience Lab, PUCRS, Brazil
| | - Jair Mari
- LiNC - Interdisciplinary Laboratory of Clinical Neurosciences of UNIFESP, Brazil; Department of Psychiatry of UNIFESP, Brazil
| | - Rodrigo A Bressan
- LiNC - Interdisciplinary Laboratory of Clinical Neurosciences of UNIFESP, Brazil; Department of Psychiatry of UNIFESP, Brazil
| | - Ary Gadelha
- LiNC - Interdisciplinary Laboratory of Clinical Neurosciences of UNIFESP, Brazil; Department of Psychiatry of UNIFESP, Brazil
| | - Pedro M Pan
- LiNC - Interdisciplinary Laboratory of Clinical Neurosciences of UNIFESP, Brazil; Department of Psychiatry of UNIFESP, Brazil
| | - Sintia Iole Belangero
- Genetics Division of Department of Morphology and Genetics of Universidade Federal de Sao Paulo (UNIFESP), Brazil; LiNC - Interdisciplinary Laboratory of Clinical Neurosciences of UNIFESP, Brazil; Department of Psychiatry of UNIFESP, Brazil.
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Ongeri L, Wanga V, Otieno P, Mbui J, Juma E, Stoep AV, Mathai M. Demographic, psychosocial and clinical factors associated with postpartum depression in Kenyan women. BMC Psychiatry 2018; 18:318. [PMID: 30285745 PMCID: PMC6167779 DOI: 10.1186/s12888-018-1904-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Accepted: 09/23/2018] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Few longitudinal studies have examined associations between risk factors during pregnancy and mental health outcomes during the postpartum period. We used a cohort study design to estimate the prevalence, incidence and correlates of significant postpartum depressive symptoms in Kenyan women. METHODS We recruited adult women residing in an urban, resource-poor setting and attending maternal and child health clinics in two public hospitals in Nairobi, Kenya. A translated Kiswahili Edinburgh Postpartum Depression Scale was used to screen for depressive symptoms at baseline assessment in the 3rd trimester and follow up assessment at 6-10 weeks postpartum. Information was collected on potential demographic, psychosocial and clinical risk variables. Potential risk factors for postpartum depression were evaluated using multivariate logistic regression analysis. RESULTS Out of the 171 women who were followed up at 6-10 weeks postpartum, 18.7% (95% CI: 13.3-25.5) were found to have postpartum depression using an EPDS cut off of 10. In multivariate analyses, the odds of having postpartum depression was increased more than seven-fold in the presence of conflict with partner (OR = 7.52, 95% CI: 2.65-23.13). The association between antepartum and postpartum depression was quite strong but did not reach statistical significance (OR = 3.37, 95% CI: 0.98-11.64). CONCLUSIONS The high prevalence of significant postnatal depressive symptoms among Kenyan women underscores the need for addressing this public health burden. Depression screening and psychosocial support interventions that address partner conflict resolution should be offered as part of maternal health care.
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Affiliation(s)
- Linnet Ongeri
- Kenya Medical Research Institute, P.O. Box 54840 00200, Mbagathi Road, Nairobi, Kenya
| | - Valentine Wanga
- University of Washington, Jefferson St. Seattle WA 98104, Nairobi, 908 Kenya
| | - Phelgona Otieno
- Kenya Medical Research Institute, P.O. Box 54840 00200, Mbagathi Road, Nairobi, Kenya
| | - Jane Mbui
- Kenya Medical Research Institute, P.O. Box 54840 00200, Mbagathi Road, Nairobi, Kenya
| | - Elizabeth Juma
- Kenya Medical Research Institute, P.O. Box 54840 00200, Mbagathi Road, Nairobi, Kenya
| | - Ann Vander Stoep
- University of Washington, Jefferson St. Seattle WA 98104, Nairobi, 908 Kenya
| | - Muthoni Mathai
- University of Nairobi, P.O. Box 30197, Off Ngong Road, Nairobi, Kenya
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237
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Russell AL, Handa RJ, Wu TJ. Sex-Dependent Effects of Mild Blast-induced Traumatic Brain Injury on Corticotropin-releasing Factor Receptor Gene Expression: Potential Link to Anxiety-like Behaviors. Neuroscience 2018; 392:1-12. [PMID: 30248435 DOI: 10.1016/j.neuroscience.2018.09.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 08/18/2018] [Accepted: 09/12/2018] [Indexed: 12/21/2022]
Abstract
Traumatic brain injury (TBI) affects 1.7 million people in the United States every year, resulting in increased risk of death and disabilities. A significant portion of TBIs experienced by military personnel are induced by explosive blast devices. Active duty military personnel are especially vulnerable to mild blast-induced (mb)TBI and the associated long-term effects, such as anxiety disorders. Additionally, females are at an increased risk of being diagnosed with anxiety-related disorders. The mechanism by which mbTBI results in anxiety disorders in males and females is unknown. The sexually dimorphic corticotropin-releasing factor (CRF) is a brain signaling system linked to anxiety. CRF and its family of related peptides modulate anxiety-related behaviors by binding to CRF receptor subtypes 1 and 2 (CRFR1, CRFR2, respectively). These receptors are distributed throughout limbic structures that control behaviors related to emotion, memory, and arousal. Therefore, the aim of this study was to understand the link between mbTBI and anxiety by examining the impact of mbTBI on the CRFR system in male and female mice. mbTBI increased anxiety-like behaviors in both males and females (p < 0.05). In the present study, mbTBI did not alter CRFR1 gene expression in males or females. However, mbTBI disrupted CRFR2 gene expression in different limbic structures in males and females. In males, mbTBI increased baseline CRFR2 gene expression in the ventral hippocampus (p < 0.05) and decreased restraint-induced expression in the anterior bed nucleus of the stria terminalis (aBNST) and amygdala (p < 0.05). In females, mbTBI decreased restraint-induced CRFR2 gene expression in the dorsal hippocampus (p < 0.05). The inherent sex differences and the mbTBI-induced decrease in restraint-induced CRFR2 gene expression may contribute to anxiety-like behaviors. The results of the present study show that the response to mbTBI within the limbic structures modulates anxiety in a sex-dependent manner. The studies further suggest that CRFR2 may serve as a potential target to mitigate mbTBI effects.
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Affiliation(s)
- Ashley L Russell
- Program in Neuroscience, Uniformed Services University of the Health Sciences, Bethesda, MD, United States; Center for Neuroscience and Regenerative Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Robert J Handa
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - T John Wu
- Program in Neuroscience, Uniformed Services University of the Health Sciences, Bethesda, MD, United States; Center for Neuroscience and Regenerative Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD, United States; Department of Obstetrics and Gynecology, Uniformed Services University of the Health Sciences, Bethesda, MD, United States.
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238
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The brain's hemodynamic response function rapidly changes under acute psychosocial stress in association with genetic and endocrine stress response markers. Proc Natl Acad Sci U S A 2018; 115:E10206-E10215. [PMID: 30201713 DOI: 10.1073/pnas.1804340115] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Ample evidence links dysregulation of the stress response to the risk for psychiatric disorders. However, we lack an integrated understanding of mechanisms that are adaptive during the acute stress response but potentially pathogenic when dysregulated. One mechanistic link emerging from rodent studies is the interaction between stress effectors and neurovascular coupling, a process that adjusts cerebral blood flow according to local metabolic demands. Here, using task-related fMRI, we show that acute psychosocial stress rapidly impacts the peak latency of the hemodynamic response function (HRF-PL) in temporal, insular, and prefrontal regions in two independent cohorts of healthy humans. These latency effects occurred in the absence of amplitude effects and were moderated by regulatory genetic variants of KCNJ2, a known mediator of the effect of stress on vascular responsivity. Further, hippocampal HRF-PL correlated with both cortisol response and genetic variants that influence the transcriptional response to stress hormones and are associated with risk for major depression. We conclude that acute stress modulates hemodynamic response properties as part of the physiological stress response and suggest that HRF indices could serve as endophenotype of stress-related disorders.
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239
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Alkadhi KA. Neuroprotective Effects of Nicotine on Hippocampal Long-Term Potentiation in Brain Disorders. J Pharmacol Exp Ther 2018; 366:498-508. [DOI: 10.1124/jpet.118.247841] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023] Open
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240
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Alkadhi KA. Delayed effects of combined stress and Aβ infusion on L-LTP of the dentate gyrus: Prevention by nicotine. Neurosci Lett 2018; 682:10-15. [PMID: 29883681 DOI: 10.1016/j.neulet.2018.05.038] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 05/15/2018] [Accepted: 05/25/2018] [Indexed: 11/16/2022]
Abstract
Alzheimer's Disease (AD) is a progressive dementia hallmarked by the presence in the brain of extracellular beta-amyloid (Aβ) plaques and intraneuronal fibrillary tangles. Chronic stress is associated with heightened Aβ buildup and acceleration of development of AD, however, stress alone has no significant effect on synaptic plasticity in the dentate gyrus (DG) area. Previously, we have reported that the combination of stress and AD causes more severe inhibition of synaptic plasticity of hippocampal area CA1 than chronic stress or AD alone, and that chronic nicotine treatment prevents this impairment. To investigate the effect of stress and nicotine on synaptic plasticity in the relatively injury-resistant DG area, the present experiments analyzed the effect of chronic stress and the neuroprotective effect of nicotine on LTP in the DG area of a rat model of AD. Wistar rats were chronically stressed and treated with nicotine (1 mg/kg/twice daily; s.c.) for six weeks. Then, at weeks 5-6, AD model was generated by 14-day i.c.v osmotic pump infusion of Aβ peptides (300 pmol/day) into the brains of these rats. Field potential recordings from the DG area of anesthetized rats, revealed that while chronic stress did not accentuate Aβ-induced impairments of E-LTP, it markedly augmented Aβ effect on L-LTP that was only seen 100 min after multiple high frequency stimulation. This delayed action is likely to be due to impairment of process of de novo protein synthesis required for maintenance phase of L-LTP. Chronic nicotine treatment prevented stress-enhanced suppression of synaptic plasticity.
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Affiliation(s)
- Karim A Alkadhi
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, TX, 77204, USA.
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241
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Cui W, Ning Y, Hong W, Wang J, Liu Z, Li MD. Crosstalk Between Inflammation and Glutamate System in Depression: Signaling Pathway and Molecular Biomarkers for Ketamine's Antidepressant Effect. Mol Neurobiol 2018; 56:3484-3500. [PMID: 30140973 DOI: 10.1007/s12035-018-1306-3] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Accepted: 08/07/2018] [Indexed: 12/25/2022]
Abstract
Depression is a worldwide illness with a significant impact on both family and society. Conventional antidepressants are ineffective for more than 30% of patients. In such patients, who have what is called treatment-resistant depression (TRD), inflammatory biomarkers are expressed excessively in both the central nervous system (CNS) and the peripheral blood. Ketamine, a glutamate receptor antagonist, exerts a rapid and sustained therapeutic effect in patients with TRD. Thus, the investigation of the relations between inflammation and glutamate underlying depression has drawn great attention. Inflammation influences glutamate release, transmission, and metabolism, resulting in accumulated extracellular glutamate in the CNS. Downstream of the glutamate receptors, the mammalian target of rapamycin (mTOR) signaling pathway plays a key role in mediating ketamine's antidepressant effect by improving neurogenesis and plasticity. Based on the mechanism and clinical evidence of the inflammatory contribution to the pathogenesis of depression, extensive research has been devoted to inflammatory biomarkers of the clinical response of depression to ketamine. The inconsistent findings from the biomarker investigations are at least partially attributable to the heterogeneity of depression, limited sample size, and complex gene-environment interactions. Deep exploration of the clinical observations and the underlying mechanism of ketamine's antidepressant response can provide new insights into the selection of specific groups of depressed patients for ketamine treatment and to aid in monitoring the therapeutic effect during antidepressant medication. Further, targeting persistent inflammation in patients with TRD and the key molecules mediating ketamine's antidepressant effect may encourage the development of novel therapeutic strategies.
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Affiliation(s)
- Wenyan Cui
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Zhejiang University School of Medicine, Hangzhou, China.
| | - Yuping Ning
- The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Wu Hong
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ju Wang
- School of Biomedical Engineering, Tianjin Medical University, Tianjin, China
| | - Zhening Liu
- The Second Xiangya Hospital of Central South University, Changsha, China
| | - Ming D Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Zhejiang University School of Medicine, Hangzhou, China. .,Research Center for Air Pollution and Health, Zhejiang University, Hangzhou, China. .,Institute of NeuroImmune Pharmacology, Seton Hall University, South Orange, NJ, USA.
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242
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Tortosa-Martínez J, Manchado C, Cortell-Tormo JM, Chulvi-Medrano I. Exercise, the diurnal cycle of cortisol and cognitive impairment in older adults. Neurobiol Stress 2018; 9:40-47. [PMID: 30450372 PMCID: PMC6234274 DOI: 10.1016/j.ynstr.2018.08.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 08/05/2018] [Accepted: 08/11/2018] [Indexed: 12/31/2022] Open
Abstract
Exercise has been shown to reduce the risk of developing Mild Cognitive Impairment and Alzheimer's disease as well as to improve cognition in healthy and cognitively impaired individuals. However, the mechanisms of these benefits are not well understood. The stress hypothesis suggests that the cognitive benefits attributed to exercise may partially be mediated by changes in the cortisol secretion pattern. Chronic stress may increase the risk of AD and exacerbate the cognitive deficits and brain pathology characteristic of the condition while physical activity has been shown to attenuate most of stress consequences and risk factors for AD. Initially, research on the effects of cortisol on cognition and physical activity focused on cortisol levels at one time point but the circadian pattern of cortisol secretion is complex and it is still unclear which aspects are most closely associated with cognitive function. Thus, the aim of this review was to analyze the exercise/stress/cognition hypothesis focusing on the effects of the diurnal cycle of cortisol on cognitive function and physical activity in older adults with and without cognitive impairment.
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Affiliation(s)
- J Tortosa-Martínez
- University of Alicante, Facultad de Educación, Carretera San Vicente del Raspeig s/n, 03690, San Vicente del Raspeig, Alicante, Spain
| | - C Manchado
- University of Alicante, Facultad de Educación, Carretera San Vicente del Raspeig s/n, 03690, San Vicente del Raspeig, Alicante, Spain
| | - J M Cortell-Tormo
- University of Alicante, Facultad de Educación, Carretera San Vicente del Raspeig s/n, 03690, San Vicente del Raspeig, Alicante, Spain
| | - I Chulvi-Medrano
- University of Alicante, Facultad de Educación, Carretera San Vicente del Raspeig s/n, 03690, San Vicente del Raspeig, Alicante, Spain
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243
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Sasaguri K, Yamada K, Yamamoto T. Uncovering the neural circuitry involved in the stress-attenuation effects of chewing. JAPANESE DENTAL SCIENCE REVIEW 2018; 54:118-126. [PMID: 30128059 PMCID: PMC6094491 DOI: 10.1016/j.jdsr.2018.03.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 12/08/2017] [Accepted: 03/10/2018] [Indexed: 02/02/2023] Open
Abstract
Previous animal studies have indicated that coupling restraint stress load with activation of the masticatory organs (chewing) causes a reduction in the systemic and central nervous system stress response. However, the brain mechanism underlying this effect is unknown. Therefore, in this review, we summarize the literature regarding brain regions involved in the attenuating effects of chewing and the systemic stress response attenuation effects induced by those brain regions. In addition, we also focusing on the amygdala, as the emotional control center, and the hypothalamic-pituitary-adrenal axis, as one of the outputs of the systemic response. In particular, we will report on one of the chewing-related stress attenuation mechanisms within the brain brought about by the activation of the inhibition pathway accompanying the activation of the amygdala's GABAergic function.
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Affiliation(s)
- Kenichi Sasaguri
- Department of Dentistry, Oral and Maxillofacial Surgery, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498, Japan
| | - Kentaro Yamada
- Department of Dentistry, Oral and Maxillofacial Surgery, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498, Japan
- Brain Functions and Neuroscience Division, Department of Oral Science, Kanagawa Dental University Graduate School, Inaoka-cho 82, Yokosuka, Kanagawa 238-8580, Japan
| | - Toshiharu Yamamoto
- Brain Functions and Neuroscience Division, Department of Oral Science, Kanagawa Dental University Graduate School, Inaoka-cho 82, Yokosuka, Kanagawa 238-8580, Japan
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244
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Chinn SM, Monson DH, Tinker MT, Staedler MM, Crocker DE. Lactation and resource limitation affect stress responses, thyroid hormones, immune function, and antioxidant capacity of sea otters ( Enhydra lutris). Ecol Evol 2018; 8:8433-8447. [PMID: 30250713 PMCID: PMC6145021 DOI: 10.1002/ece3.4280] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 04/22/2018] [Accepted: 05/19/2018] [Indexed: 12/11/2022] Open
Abstract
Lactation is the most energetically demanding stage of reproduction in female mammals. Increased energetic allocation toward current reproduction may result in fitness costs, although the mechanisms underlying these trade-offs are not well understood. Trade-offs during lactation may include reduced energetic allocation to cellular maintenance, immune response, and survival and may be influenced by resource limitation. As the smallest marine mammal, sea otters (Enhydra lutris) have the highest mass-specific metabolic rate necessitating substantial energetic requirements for survival. To provide the increased energy needed for lactation, female sea otters significantly increase foraging effort, especially during late-lactation. Caloric insufficiency during lactation is reflected in the high numbers of maternal deaths due to End-Lactation Syndrome in the California subpopulation. We investigated the effects of lactation and resource limitation on maternal stress responses, metabolic regulation, immune function, and antioxidant capacity in two subspecies of wild sea otters (northern: E. l. nereis and southern: E. l. kenyoni) within the California, Washington, and Alaska subpopulations. Lactation and resource limitation were associated with reduced glucocorticoid responses to acute capture stress. Corticosterone release was lower in lactating otters. Cortisol release was lower under resource limitation and suppression during lactation was only evident under resource limitation. Lactation and resource limitation were associated with alterations in thyroid hormones. Immune responses and total antioxidant capacity were not reduced by lactation or resource limitation. Southern sea otters exhibited higher concentrations of antioxidants, immunoglobulins, and thyroid hormones than northern sea otters. These data provide evidence for allocation trade-offs during reproduction and in response to nutrient limitation but suggest self-maintenance of immune function and antioxidant defenses despite energetic constraints. Income-breeding strategists may be especially vulnerable to the consequences of stress and modulation of thyroid function when food resources are insufficient to support successful reproduction and may come at a cost to survival, and thereby influence population trends.
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Affiliation(s)
- Sarah M. Chinn
- Department of BiologySonoma State UniversityRohnert ParkCalifornia
| | | | - M. Tim Tinker
- U.S. Geological SurveyWestern Ecological Research CenterLong Marine LaboratorySanta CruzCalifornia
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245
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Ueno H, Suemitsu S, Murakami S, Kitamura N, Wani K, Matsumoto Y, Okamoto M, Aoki S, Ishihara T. Juvenile stress induces behavioral change and affects perineuronal net formation in juvenile mice. BMC Neurosci 2018; 19:41. [PMID: 30012101 PMCID: PMC6048828 DOI: 10.1186/s12868-018-0442-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Accepted: 07/11/2018] [Indexed: 12/16/2022] Open
Abstract
Background Many neuropsychiatric disorders develop in early life. Although the mechanisms involved have not been elucidated, it is possible that functional abnormalities of parvalbumin-positive interneurons (PV neurons) are present. Several previous studies have shown that juvenile stress is implicated in the development of neuropsychiatric disorders. We aimed to clarify the effects of juvenile stress on behavior and on the central nervous system. We investigated behavioral abnormalities of chronically-stressed mice during juvenilehood and the effect of juvenile stress on PV neurons and WFA-positive perineuronal nets (PNNs), which are associated with vulnerability and plasticity in the mouse brain. Results Due to juvenile stress, mice showed neurodevelopmental disorder-like behavior. Juvenile stressed mice did not show depressive-like behaviors, but on the contrary, they showed increased activity and decreased anxiety-like behavior. In the central nervous system of juvenile stressed mice, the fluorescence intensity of WFA-positive PNNs decreased, which may signify increased vulnerability. Conclusion This study suggested that juvenile stressed mice showed behavioral abnormalities, resembling those seen in neuropsychiatric disorders, and increased brain vulnerability.
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Affiliation(s)
- Hiroshi Ueno
- Department of Medical Technology, Kawasaki University of Medical Welfare, 288, Matsushima, Kurashiki, Okayama, 701-0193, Japan. .,Department of Medical Technology, Graduate School of Health Sciences, Okayama University, Okayama, 700-8558, Japan.
| | - Shunsuke Suemitsu
- Department of Psychiatry, Kawasaki Medical School, Kurashiki, 701-0192, Japan
| | - Shinji Murakami
- Department of Psychiatry, Kawasaki Medical School, Kurashiki, 701-0192, Japan
| | - Naoya Kitamura
- Department of Psychiatry, Kawasaki Medical School, Kurashiki, 701-0192, Japan
| | - Kenta Wani
- Department of Psychiatry, Kawasaki Medical School, Kurashiki, 701-0192, Japan
| | - Yosuke Matsumoto
- Department of Neuropsychiatry, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, 700-8558, Japan
| | - Motoi Okamoto
- Department of Medical Technology, Graduate School of Health Sciences, Okayama University, Okayama, 700-8558, Japan
| | - Shozo Aoki
- Department of Psychiatry, Kawasaki Medical School, Kurashiki, 701-0192, Japan
| | - Takeshi Ishihara
- Department of Psychiatry, Kawasaki Medical School, Kurashiki, 701-0192, Japan
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246
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Gemayel DJ, Wiener KK, Saliba AJ. Development of a conceptual framework that identifies factors and challenges impacting perinatal fathers. Heliyon 2018; 4:e00694. [PMID: 30035239 PMCID: PMC6052192 DOI: 10.1016/j.heliyon.2018.e00694] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 07/09/2018] [Accepted: 07/10/2018] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND A father's ability to cope with fatherhood in the perinatal period has received limited attention in the literature. Recent studies have shown that both mothers and fathers are challenged by the demands of parenthood. AIMS The challenges experienced by fathers during the perinatal period are explored and specific risk factors are identified. The aim of this paper was to develop a framework embedding the identified risk factors into a theoretical model that could be applied in predicting paternal emotional well-being. METHODS This literature review consulted English peer-reviewed papers as far back as 1990. Databases, including PubMed, CINAHL, SCOPUS, PsycINFO, EBSCO, and ProQuest Dissertations and Theses were examined. RESULTS The results of the literature review depicted a number of factors that could be aggregated into four clusters, including vulnerability factors, precipitating factors, coping style, and socio-cultural factors. LIMITATION The literature review was limited as it only examined English based peer-reviewed articles. CONCLUSION The suggested model is based on various theoretical concepts and empirical findings. The application of this model could assist clinicians in the identification of at-risk perinatal fathers and target interventions to specific challenges experienced by perinatal fathers.
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Affiliation(s)
| | - Karl K.K. Wiener
- Department of Psychology, Charles Sturt University, Wagga Wagga, NSW, Australia
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248
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Tai LW, Yeung SC, Cheung CW. Enriched Environment and Effects on Neuropathic Pain: Experimental Findings and Mechanisms. Pain Pract 2018; 18:1068-1082. [PMID: 29722923 DOI: 10.1111/papr.12706] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 04/04/2018] [Accepted: 04/22/2018] [Indexed: 12/16/2022]
Abstract
Neuropathic pain inflicts tremendous biopsychosocial suffering for patients worldwide. However, safe and effective treatment of neuropathic pain is a prominent unmet clinical need. Environmental enrichment (EE) is an emerging cost-effective nonpharmacological approach to alleviate neuropathic pain and complement rehabilitation care. We present here a review of preclinical studies in ascertaining the efficacy of EE for neuropathic pain. Their proposed mechanisms, including the suppression of ascending nociceptive signaling to the brain, enhancement of the descending inhibitory system, and neuroprotection of the peripheral and central nervous systems, may collectively reduce pain perception and improve somatic and emotional functioning in neuropathic pain. The current evidence offers critical insights for future preclinical research and the translational application of EE in clinical pain management.
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Affiliation(s)
- Lydia Wai Tai
- Laboratory and Clinical Research Institute for Pain, Department of Anaesthesiology, The University of Hong Kong, Hong Kong, Special Administrative Region, China.,Department of Anaesthesiology, The University of Hong Kong, Hong Kong, Special Administrative Region, China
| | - Sung Ching Yeung
- Laboratory and Clinical Research Institute for Pain, Department of Anaesthesiology, The University of Hong Kong, Hong Kong, Special Administrative Region, China.,Department of Anaesthesiology, The University of Hong Kong, Hong Kong, Special Administrative Region, China
| | - Chi Wai Cheung
- Laboratory and Clinical Research Institute for Pain, Department of Anaesthesiology, The University of Hong Kong, Hong Kong, Special Administrative Region, China.,Department of Anaesthesiology, The University of Hong Kong, Hong Kong, Special Administrative Region, China.,Research Centre of Heart, Brain, Hormone & Healthy Aging, The University of Hong Kong, Hong Kong, Special Administrative Region, China
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249
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Ivarsson A, Johnson U, Andersen MB, Tranaeus U, Stenling A, Lindwall M. Psychosocial Factors and Sport Injuries: Meta-analyses for Prediction and Prevention. Sports Med 2018; 47:353-365. [PMID: 27406221 DOI: 10.1007/s40279-016-0578-x] [Citation(s) in RCA: 108] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
BACKGROUND Several studies have suggested that psychosocial variables can increase the risk of becoming injured during sport participation. OBJECTIVES The main objectives of these meta-analyses were to examine (i) the effect sizes of relationships between the psychosocial variables (suggested as injury predictors in the model of stress and athletic injury) and injury rates, and (ii) the effects of psychological interventions aimed at reducing injury occurrence (prevention). METHODS Electronic databases as well as specific sport and exercise psychology journals were searched. The literature review resulted in 48 published studies containing 161 effect sizes for injury prediction and seven effect sizes for injury prevention. RESULTS The results showed that stress responses (r = 0.27, 80 % CI [0.20, 0.33]) and history of stressors (r = 0.13, 80 % CI [0.11, 0.15]) had the strongest associations with injury rates. Also, the results from the path analysis showed that the stress response mediated the relationship between history of stressors and injury rates. For injury prevention studies, all studies included (N = 7) showed decreased injury rates in the treatment groups compared to control groups. CONCLUSION The results support the model's suggestion that psychosocial variables, as well as psychologically, based interventions, can influence injury risk among athletes.
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Affiliation(s)
- Andreas Ivarsson
- Center of Research on Welfare, Health and Sport, Halmstad University, Halmstad, Sweden.
| | - Urban Johnson
- Center of Research on Welfare, Health and Sport, Halmstad University, Halmstad, Sweden
| | - Mark B Andersen
- Center of Research on Welfare, Health and Sport, Halmstad University, Halmstad, Sweden
| | - Ulrika Tranaeus
- Department of Molecular Medicine and Surgery, Karolinska Institute, Stockholm, Sweden
| | | | - Magnus Lindwall
- Department of Food and Nutrition, and Sport Science, University of Gothenburg, Gothenburg, Sweden.,Department of Psychology, University of Gothenburg, Gothenburg, Sweden
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250
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Korzeniewski SJ, Allred EN, O'Shea TM, Leviton A, Kuban KCK. Elevated protein concentrations in newborn blood and the risks of autism spectrum disorder, and of social impairment, at age 10 years among infants born before the 28th week of gestation. Transl Psychiatry 2018; 8:115. [PMID: 29884819 PMCID: PMC5993745 DOI: 10.1038/s41398-018-0156-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 02/01/2018] [Accepted: 04/10/2018] [Indexed: 02/07/2023] Open
Abstract
Among the 1 of 10 children who are born preterm annually in the United States, 6% are born before the third trimester. Among children who survive birth before the 28th week of gestation, the risks of autism spectrum disorder (ASD) and non-autistic social impairment are severalfold higher than in the general population. We examined the relationship between top quartile inflammation-related protein concentrations among children born extremely preterm and ASD or, separately, a high score on the Social Responsiveness Scale (SRS total score ≥65) among those who did not meet ASD criteria, using information only from the subset of children whose DAS-II verbal or non-verbal IQ was ≥70, who were assessed for ASD, and who had proteins measured in blood collected on ≥2 days (N = 763). ASD (N = 36) assessed at age 10 years is associated with recurrent top quartile concentrations of inflammation-related proteins during the first post-natal month (e.g., SAA odds ratio (OR); 95% confidence interval (CI): 2.5; 1.2-5.3) and IL-6 (OR; 95% CI: 2.6; 1.03-6.4)). Top quartile concentrations of neurotrophic proteins appear to moderate the increased risk of ASD associated with repeated top quartile concentrations of inflammation-related proteins. High (top quartile) concentrations of SAA are associated with elevated risk of ASD (2.8; 1.2-6.7) when Ang-1 concentrations are below the top quartile, but not when Ang-1 concentrations are high (1.3; 0.3-5.8). Similarly, high concentrations of TNF-α are associated with heightened risk of SRS-defined social impairment (N = 130) (2.0; 1.1-3.8) when ANG-1 concentrations are not high, but not when ANG-1 concentrations are elevated (0.5; 0.1-4.2).
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Affiliation(s)
- Steven J Korzeniewski
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA.
| | - Elizabeth N Allred
- Departments of Neurology, Boston Children's Hospital, and Harvard Medical School, Boston, MA, USA
| | - T Michael O'Shea
- Department of Pediatrics, University of North Carolina, Chapel Hill, NC, USA
| | - Alan Leviton
- Departments of Neurology, Boston Children's Hospital, and Harvard Medical School, Boston, MA, USA
| | - Karl C K Kuban
- Departments of Pediatrics, Boston Medical Center and Boston University, Boston, MA, USA
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