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Qobadi M, Collier C, Zhang L. The Effect of Stressful Life Events on Postpartum Depression: Findings from the 2009-2011 Mississippi Pregnancy Risk Assessment Monitoring System. Matern Child Health J 2017; 20:164-172. [PMID: 27339648 PMCID: PMC5290058 DOI: 10.1007/s10995-016-2028-7] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Objectives To determine the prevalence of postpartum depression (PPD) among new mothers in Mississippi during 2009–2011 and evaluate the effects of different stressful life events in the year before delivery on the likelihood of PPD. Methods We used Mississippi Pregnancy Risk Assessment Monitoring System (PRAMS) 2009–2011 data (n = 3695) to evaluate the effects of different stressful life events on PPD. We categorized 13 stressors into 4 groups: financial, relational, trauma-related, and emotional. A composite score of the mothers’ responses (≥10) to the three items: “I felt down, depressed, or sad”, “I felt hopeless”, and “I felt slowed down” was used to measure PPD. The items were rated on a Likert scale from (1) never to 5 (always). Descriptive statistics, Chi square tests, t tests, and logistic regression analyses were conducted using SAS 9.3 Proc Survey procedure (SAS Institute, Cary, NC, USA). Results The overall prevalence of self-reported PPD was 14.8 %. Mothers who experienced high relational with low financial and high trauma related stresses had the highest likelihood of PPD diagnosis after adjusting for confounders (OR = 8.6; 95 % CI, 3.5–21.3), followed by those who reported high relational stress with low financial and low trauma stresses (OR = 5.9; 95 % CI, 3.5–10.2). Those with high financial, low relational, and low trauma had the least likelihood of PPD (OR = 2.2; 95 % CI, 1.6–3.0) compared to women with low stress in all three categories. Conclusion Our findings showed that the likelihood of PPD was higher among women who had high relational stress, indicating that efforts to effectively prevent PPD need to focus on healthy relationships between partners during pregnancy.
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Affiliation(s)
- Mina Qobadi
- Mississippi State Department of Health, 570 East Woodrow Wilson, Osborne 200, Jackson, MS 39215-1700 USA
| | - Charlene Collier
- Mississippi State Department of Health, 570 East Woodrow Wilson, Osborne 200, Jackson, MS 39215-1700 USA
- University of Mississippi Medical Center, Jackson, MS USA
| | - Lei Zhang
- Mississippi State Department of Health, 570 East Woodrow Wilson, Osborne 200, Jackson, MS 39215-1700 USA
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252
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Roberts TA, Hansen S. Association of Hormonal Contraception with depression in the postpartum period. Contraception 2017; 96:446-452. [DOI: 10.1016/j.contraception.2017.08.010] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Revised: 08/12/2017] [Accepted: 08/23/2017] [Indexed: 10/18/2022]
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253
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Drozdowicz-Jastrzębska E, Skalski M, Gdańska P, Mach A, Januszko P, Nowak RJ, Węgrzyn P, Wielgoś M, Radziwoń-Zaleska M. Insomnia, postpartum depression and estradiol in women after delivery. Metab Brain Dis 2017; 32:1913-1918. [PMID: 28791548 DOI: 10.1007/s11011-017-0079-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Accepted: 07/20/2017] [Indexed: 12/26/2022]
Abstract
After childbirth, women may develop symptoms of depression with the associated sleep disturbances. This study assessed the relationship between insomnia and both depression symptoms and blood estradiol levels in women during the early postpartum period. 84 patients were assessed 24-48 h after labor. The main assessment methods were the following psychometric scales: Beck Depression Inventory (BDI), Edinburgh Postnatal Depression Scale (EPDS) and Athens Insomnia Scale (AIS). Serum estradiol levels were measured using ELISA assay. Women who developed postpartum insomnia significantly more often reported insomnia during pregnancy (P = 0.001), were more likely to have suffered from depression in the past (P = 0.007) and had significantly higher BDI (P = 0.002) and EPDS (P = 0.048) scores. Our study demonstrated no significant association between Restless Legs Syndrome (RLS) during pregnancy and postpartum insomnia. The groups of women with and without postpartum RLS showed no significant differences in the incidence of postpartum insomnia. No significant differences in estradiol levels were observed in women with and without postpartum insomnia. The study showed the following factors to play a major role in development of postpartum insomnia: an increase in Beck Depression Inventory score, a history of depression and a history of insomnia during pregnancy.
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Affiliation(s)
| | - Michał Skalski
- Department of Psychiatry, Medical University of Warsaw, 27 Nowowiejska str, 00-665, Warsaw, Poland.
| | - Paulina Gdańska
- 1st Department of Obstetrics and Gynaecology, Medical University of Warsaw, Warsaw, Poland
- Department of Obstetrics and Perinatology, Medical University of Warsaw, Warsaw, Poland
| | - Anna Mach
- Department of Psychiatry, Medical University of Warsaw, 27 Nowowiejska str, 00-665, Warsaw, Poland
| | - Piotr Januszko
- Department of Psychiatry, Medical University of Warsaw, 27 Nowowiejska str, 00-665, Warsaw, Poland
| | - Rafał J Nowak
- Department of Drug Management, Institute of Public Health, Faculty of Health Sciences, Jagiellonian University Medical College, Krakow, Poland
| | - Piotr Węgrzyn
- Department of Obstetrics and Perinatology, Medical University of Warsaw, Warsaw, Poland
| | - Mirosław Wielgoś
- 1st Department of Obstetrics and Gynaecology, Medical University of Warsaw, Warsaw, Poland
| | - Maria Radziwoń-Zaleska
- Department of Psychiatry, Medical University of Warsaw, 27 Nowowiejska str, 00-665, Warsaw, Poland
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254
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Abstract
Mood disorders including major depressive disorder and bipolar disorder are common during and after pregnancy. Timely identification and appropriate management of mood episodes is essential to maximize maternal well-being and minimize adverse outcomes. Failure to do so results in maternal suffering and impaired child bonding, and has the potential for devastating outcomes including suicide and infanticide. Women are routinely screened for unipolar depression during or after pregnancy but not for bipolar disorder, in spite of the fact that childbirth is associated with a major risk for onset or exacerbation of bipolar disorder. Delays in detection as well as misdiagnosis of bipolar disorder as major depressive disorder may put women at risk of many adverse consequences, including symptom exacerbation, psychiatric hospitalization, and suicide. A thorough psychiatric assessment is necessary to establish diagnosis, to address safety issues, and to formulate a treatment plan. Treatment of mood disorders during pregnancy is complicated by the potential risks of fetal exposure to psychotropic medications, and the use of these medications during the postpartum period may result in infant medication exposure through breastmilk. These risks of psychotropic medication exposure must be weighed against the risk of untreated mood disorders. This review will discuss the pathophysiology, epidemiology, diagnosis, and treatment of mood disorders during pregnancy and the postpartum period. Screening tools that can be used in the primary care and obstetrics settings to assist in identifying women with peripartum mood disorders will also be discussed.
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255
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Combined effect of gestational stress and postpartum stress on maternal care in rats. Physiol Behav 2017; 184:172-178. [PMID: 29179996 DOI: 10.1016/j.physbeh.2017.11.027] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 10/20/2017] [Accepted: 11/23/2017] [Indexed: 01/24/2023]
Abstract
Variations in maternal care in the rat influence the development of individual differences in behavioral and endocrine responses to stress. This study aimed to examine the interaction between intragastric intubation during late gestation and postpartum stress, induced by pup separation, on maternal behavior and on dams' emotional state and HPA axis function. Rats received intragastric intubation of water on days 12-20 of gestation or remained untreated in their home cage (naïve dams). Pup separation was used as a model of postpartum stress. The procedure consisted of a daily separation of the dam from its litter for 3h from PND 3 until PND 15. Pup separation was carried out in both naïve and intubated dams. The behavioral results indicate that the association of these two stressors significantly decreased arched-back nursing (ABN) and licking and grooming (LG), behaviors considered important parameters to discriminate the high quality of maternal care. Moreover, dams that received both stressors displayed less nest building and blanket nursing behaviors; no effect on the frequency of passive and total nursing was recorded. The analysis of single effects on ABN and LG, revealed that dams that underwent gestational stress induced by intragastric intubation displayed less LG, but ABN was overall unchanged. On the contrary, pup separation stress significantly increased ABN and LG upon reunion of naïve dams with their pups. Treatments per se or the association of both induced modest changes in plasma levels of allopregnanolone and corticosterone that likely did not influence maternal care. These data show that the association of a mild stress during gestation with an unfavorable experience after parturition had a significant impact on maternal care. This effect seems independent from HPA axis activation or from changes in emotional state; further studies would be necessary to ascertain the neural changes that could contribute to altered maternal behavior in stressed mothers. Moreover, these results suggest that the use of intragastric intubation during gestation would interfere with measures of drug-induced changes in maternal behavior and likely their consequences on the offspring.
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256
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Hohm E, Zohsel K, Schmidt MH, Esser G, Brandeis D, Banaschewski T, Laucht M. Beeinträchtigter Start ins Leben. KINDHEIT UND ENTWICKLUNG 2017. [DOI: 10.1026/0942-5403/a000234] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Zusammenfassung. Postpartale Depressionen sind häufige und schwerwiegende psychische Erkrankungen mit ungünstigem Einfluss auf die kindliche Entwicklung. Als Haupttransmissionsweg gilt die frühe Mutter-Kind-Interaktion. Über die langfristigen Auswirkungen auf die Kinder im Erwachsenenalter und die Rolle der Interaktion liegen kaum Ergebnisse vor. Im Rahmen der Mannheimer Risikokinderstudie wurden postpartale Depressionen bis zwei Jahre nach der Geburt erfasst. Die kindliche Entwicklung wurde fortlaufend und die Mutter-Kind-Interaktion im Alter von 3 Monaten standardisiert erhoben. 28 Kinder postpartal depressiver und 107 Kinder gesunder Mütter konnten mit 25 Jahren untersucht werden. Beeinträchtigungen der kognitiven und psychischen Entwicklung bei Kindern postpartal depressiver Mütter waren bis ins Erwachsenenalter nachweisbar. Responsives bzw. sensitives mütterliches Verhalten wirkte der negativen Entwicklung entgegen. Dies betont die Bedeutung einer hohen Qualität der Mutter-Kind-Interaktion für die Entwicklung von Risikokindern.
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Affiliation(s)
- Erika Hohm
- Klinik für Psychiatrie und Psychotherapie des Kindes- und Jugendalters, Zentralinstitut für Seelische Gesundheit, Medizinische Fakultät Mannheim/Universität Heidelberg
| | - Katrin Zohsel
- Klinik für Psychiatrie und Psychotherapie des Kindes- und Jugendalters, Zentralinstitut für Seelische Gesundheit, Medizinische Fakultät Mannheim/Universität Heidelberg
| | - Martin H. Schmidt
- Klinik für Psychiatrie und Psychotherapie des Kindes- und Jugendalters, Zentralinstitut für Seelische Gesundheit, Medizinische Fakultät Mannheim/Universität Heidelberg
| | | | - Daniel Brandeis
- Klinik für Psychiatrie und Psychotherapie des Kindes- und Jugendalters, Zentralinstitut für Seelische Gesundheit, Medizinische Fakultät Mannheim/Universität Heidelberg
- Zentrum für Kinder- und Jugendpsychiatrie, Universität Zürich
- Zürcher Zentrum für Integrative Humanphysiologie, Universität Zürich
- Zentrum für Neurowissenschaften, Universität und ETH Zürich
| | - Tobias Banaschewski
- Klinik für Psychiatrie und Psychotherapie des Kindes- und Jugendalters, Zentralinstitut für Seelische Gesundheit, Medizinische Fakultät Mannheim/Universität Heidelberg
| | - Manfred Laucht
- Klinik für Psychiatrie und Psychotherapie des Kindes- und Jugendalters, Zentralinstitut für Seelische Gesundheit, Medizinische Fakultät Mannheim/Universität Heidelberg
- Department Psychologie, Universität Potsdam
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257
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Abstract
RATIONALE Social isolation of rats immediately after weaning is thought to represent an animal model of anxiety-like disorders. Socially isolated virgin females showed a significant decrease in allopregnanolone levels, associated with increased anxiety-related behavior compared with group-housed rats. OBJECTIVES The present study investigates whether post-weaning social isolation affects maternal behavior and assesses neuroactive steroid levels in adult female rats during pregnancy and postpartum. RESULTS Socially isolated dams displayed a reduction in the frequency of arched back nursing (ABN) behavior compared to group-housed dams. In addition, both total and active nursing were lower in socially isolated dams compared to group-housed dams. Compared to virgin females, pregnancy increases allopregnanolone levels in group-housed as well as isolated dams and such increase was greater in the latter group. Compared to pregnancy levels, allopregnanolone levels decreased after delivery and this decrease was more pronounced in isolated than group-housed dams. Moreover, the fluctuations in plasma corticosterone levels that occur in late pregnancy and during lactation follow a different pattern in socially isolated vs. group-housed rats. CONCLUSIONS The present results show that social isolation in female rats decreases maternal behavior; this effect is associated with lower allopregnanolone concentrations at postpartum, which may account, at least in part, for the poor maternal care observed in socially isolated dams. In support of this conclusion is the finding that finasteride-treated dams, which display a decrease in plasma allopregnanolone levels, also showed a marked reduction in maternal care, suggesting that allopregnanolone may contribute to the quality of maternal care.
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258
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Garcia-Leal C, De Rezende MG, Corsi-Zuelli FMDG, De Castro M, Del-Ben CM. The functioning of the hypothalamic-pituitary-adrenal (HPA) axis in postpartum depressive states: a systematic review. Expert Rev Endocrinol Metab 2017; 12:341-353. [PMID: 30058891 DOI: 10.1080/17446651.2017.1347500] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
A large body of literature suggests the role of the hypothalamic-pituitary-adrenal (HPA) axis in postpartum depression (PPD). Nonetheless, these studies present discrepant methodology and results; thus, this hypothesis deserves further exploration. Areas covered: This review included studies investigating the HPA axis in PPD or postpartum blues published until November 2016. In total, 48 studies met the inclusion criteria. The HPA axis was mostly investigated in the immediate postpartum period (62.5%), and the majority of studies collected samples in the morning (43.8%), with one measure in a single day (43.8%), and blood was the fluid more often collected (58.4%). Seven out of 21 studies evaluating postpartum blues, and 15 out of 28 studies evaluating PPD detected abnormalities in the HPA axis functioning. Expert commentary: We found a significant heterogeneity in the methodology adopted by studies and consequently, in the results. Despite that, the majority of studies reported HPA changes in women with PPD during the remote period. Notably, reactivity tests pointed to attenuated HPA axis response. Ideally, future investigations should use validated reactivity tests, include larger sample sizes, consider many measures of cortisol throughout the day, and more than one day of collection. We also recommend that studies continue to use validated scales for mood assessment.
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Affiliation(s)
- Cybele Garcia-Leal
- a Division of Psychiatry, Department of Neuroscience and Behavior, Ribeirão Preto Medical School , University of São Paulo , Ribeirão Preto , Brazil
| | - Marcos Gonçalves De Rezende
- a Division of Psychiatry, Department of Neuroscience and Behavior, Ribeirão Preto Medical School , University of São Paulo , Ribeirão Preto , Brazil
| | - Fabiana Maria das Graças Corsi-Zuelli
- a Division of Psychiatry, Department of Neuroscience and Behavior, Ribeirão Preto Medical School , University of São Paulo , Ribeirão Preto , Brazil
| | - Margaret De Castro
- b Division of Endocrinology, Department of Internal Medicine, Ribeirão Preto Medical School , University of São Paulo , Ribeirão Preto , Brazil
| | - Cristina Marta Del-Ben
- a Division of Psychiatry, Department of Neuroscience and Behavior, Ribeirão Preto Medical School , University of São Paulo , Ribeirão Preto , Brazil
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259
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Timosaponin B-III exhibits antidepressive activity in a mouse model of postpartum depression by the regulation of inflammatory cytokines, BNDF signaling and synaptic plasticity. Exp Ther Med 2017; 14:3856-3861. [PMID: 29042992 DOI: 10.3892/etm.2017.4930] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Accepted: 05/11/2017] [Indexed: 11/05/2022] Open
Abstract
The aim of this study was to investigate the antidepressive effects of timosaponin B-III (TB-III) and the underlying mechanism. A postpartum depression (PPD) mouse model was established by the administration of dexamethasone sodium phosphate during pregnancy. Mice with PPD were assigned to the following groups: Model, fluoxetine and high, medium and low doses of TB-III. Post-parturient mice without PPD served as a normal control group. To examine the effect of TB-III, mice were treated with TB-III, then forced swimming tests (FSTs) and tail suspension tests (TSTs) were performed to evaluate depression. Serum and hippocampal cytokines, namely tumor necrosis factor (TNF)-α, interleukin (IL)-1β, IL-6 and IL-10, were quantified using ELISAs and protein levels of hippocampal brain-derived neurotrophic factor (BDNF), glucagon synthase kinase (GSK)-3β, glutamate receptor subunit 1 (GluR1), postsynaptic density protein 95 (PSD95) and synapsin I were quantified using western blot analysis. Compared with those in the control group, immobility time in the FST and TST, serum and hippocampal TNF-α, IL-1β and IL-6 levels and hippocampal IL-10 levels were increased significantly in the model group (P<0.01). Serum IL-10 levels and hippocampal levels of BDNF, GSK-3β, GluR1, PSD95 and synapsin I decreased significantly in the model group compared with the control group (P<0.01). Fluoxetine or TB-III (10, 20 or 40 mg/kg) treatment significantly decreased immobility times in the FST and TST (P<0.01) and significantly reversed the aforementioned alterations in cytokine and protein levels (P<0.01). Thus, TB-III exhibited a protective effect against depression in PPD and such effects may have been mediated via the regulation of inflammatory cytokines, the BNDF signaling pathway and synaptic plasticity-related proteins.
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260
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Preconception gynecological risk factors of postpartum depression among Japanese women: The Japan Environment and Children's Study (JECS). J Affect Disord 2017; 217:34-41. [PMID: 28365479 DOI: 10.1016/j.jad.2017.03.049] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 03/17/2017] [Accepted: 03/24/2017] [Indexed: 12/21/2022]
Abstract
BACKGROUND Postpartum depression is one of the major causes of disability among women who are on their childbearing years. Identifying people at risk of postpartum depression may improve its management. The objective of this study was to determine the probable association between postpartum depression and some preconception gynecological morbidities. METHODS Data from a nationwide birth cohort study, the Japan Environment and Children's study (JECS), up to one month of postpartum were analyzed. To assess postpartum depression, the Edinburgh Postnatal Depression Scale (EPDS) was used; 11 preconception gynecological morbidities were considered as risk factors. Covariates included psychiatric illness history, psychosocial factors, some pregnancy adverse outcomes, birth outcomes, socio-demographic and health behavioral factors. RESULTS Except for the prevalence of previous miscarriage, leiomyoma and polycystic ovarian syndrome, depressive women had more gynecological morbidities compared to non-depressive ones. In logistic regression model, endometriosis (OR, 1.27; 95%CI: 1.15-1.41), dysmenorrhea (OR, 1.13; 95%CI: 1.06-1.21) and abnormal uterine bleeding (OR, 1.21; 95%CI: 1.15-1.29) were associated with postpartum depression. LIMITATIONS CONCLUSION: Women with endometriosis and menstrual problems were at risk of developing postpartum depression. This study suggests a perinatal mental health screening for predisposed women.
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261
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Scheans P, Mischel R, Munson M, Bulaevskaya K. Postpartum Mood Disorders Screening in the NICU. Neonatal Netw 2017; 35:240-2. [PMID: 27461203 DOI: 10.1891/0730-0832.35.4.240] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Maternal depression is increasingly recognized as the leading complication of childbearing. A mother's mental health impacts the well-being and long-term outcomes of her children. This column will discuss a systematic approach to screening for maternal postpartum mood disorders (PPMDs) and referring women to resources according to an established algorithm. This work was undertaken in a tertiary referral NICU and performed by dedicated NICU personnel with the goals of optimizing NICU infants' outcomes and supporting maternal and family health and well-being.
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262
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Sex-dependent effects of maternal corticosterone and SSRI treatment on hippocampal neurogenesis across development. Biol Sex Differ 2017; 8:20. [PMID: 28580124 PMCID: PMC5454586 DOI: 10.1186/s13293-017-0142-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Accepted: 05/25/2017] [Indexed: 01/06/2023] Open
Abstract
Background Postpartum depression affects approximately 15% of mothers and represents a form of early life adversity for developing offspring. Postpartum depression can be treated with prescription antidepressants like fluoxetine (FLX). However, FLX can remain active in breast milk, raising concerns about the consequences of neonatal FLX exposure. The hippocampus is highly sensitive to developmental stress, and males and females respond differently to stress at many endpoints, including hippocampal plasticity. However, it is unclear how developmental exposure to FLX alters the trajectory of hippocampal development. The goal of this study was to examine the long-term effects of maternal postpartum corticosterone (CORT, a model of postpartum depression) and concurrent FLX on hippocampal neurogenesis in male and female offspring. Methods Female Sprague-Dawley rat dams were treated daily with either CORT or oil and FLX or saline from postpartum days 2–23. Offspring were perfused on postnatal day 31 (pre-adolescent), postnatal day 42 (adolescent), and postnatal day 69 (adult). Tissue was processed for doublecortin (DCX), an endogenous marker of immature neurons, in the dorsal and ventral hippocampus. Results Maternal postpartum CORT reduced density of DCX-expressing cells in the dorsal hippocampus of pre-adolescent males and increased it in adolescent males, suggesting that postpartum CORT exposure disrupted the typical progression of the density of DCX-expressing cells. Further, among offspring of oil-treated dams, pre-adolescent males had greater density of DCX-expressing cells than pre-adolescent females, and maternal postpartum CORT prevented this sex difference. In pre-adolescent females, maternal postpartum FLX decreased the density of DCX-expressing cells in the dorsal hippocampus compared to saline. As expected, maternal CORT reduced the density of DCX-expressing cells in adult female, but not male, offspring. The combination of maternal postpartum CORT/FLX diminished density of DCX-expressing cells in dorsal hippocampus regardless of sex or age. Conclusions These findings reveal how modeling treatment of postpartum depression with FLX alters hippocampal neurogenesis in developing offspring differently depending on sex, predominantly in the dorsal dentate gyrus and earlier in life.
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263
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Abstract
The study of parenting in animals has allowed us to come to a better understanding of the neural and physiological mechanisms that underlie mammalian parental behavior. The long-term effects of parenting (and parental abuse or neglect) on offspring, and the neurobiological changes that underlie those changes, have also been best studied in animal models. Our greater experimental control and ability to directly manipulate neural and hormonal systems, as well as the environment of the subjects, will ensure that animal models remain important in the study of parenting; while in the future, the great variety of parental caregiving systems displayed by animals should be more thoroughly explored. Most importantly, cross-talk between animal and human subjects research should be promoted.
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Affiliation(s)
- Karen L. Bales
- Department of Psychology, University of California, Davis
- California National Primate Research Center
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264
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Enduring Neural and Behavioral Effects of Early Life Adversity in Infancy: Consequences of Maternal Abuse and Neglect, Trauma and Fear. Curr Behav Neurosci Rep 2017. [DOI: 10.1007/s40473-017-0112-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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265
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Bränn E, Papadopoulos F, Fransson E, White R, Edvinsson Å, Hellgren C, Kamali-Moghaddam M, Boström A, Schiöth HB, Sundström-Poromaa I, Skalkidou A. Inflammatory markers in late pregnancy in association with postpartum depression-A nested case-control study. Psychoneuroendocrinology 2017; 79:146-159. [PMID: 28285186 DOI: 10.1016/j.psyneuen.2017.02.029] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Revised: 02/22/2017] [Accepted: 02/27/2017] [Indexed: 01/21/2023]
Abstract
Recent studies indicate that the immune system adaptation during pregnancy could play a significant role in the pathophysiology of perinatal depression. The aim of this study was to investigate if inflammation markers in a late pregnancy plasma sample can predict the presence of depressive symptoms at eight weeks postpartum. Blood samples from 291 pregnant women (median and IQR for days to delivery, 13 and 7-23days respectively) comprising 63 individuals with postpartum depressive symptoms, as assessed by the Edinburgh postnatal depression scale (EPDS≥12) and/or the Mini International Neuropsychiatric Interview (M.I.N.I.) and 228 controls were analyzed with an inflammation protein panel using multiplex proximity extension assay technology, comprising of 92 inflammation-associated markers. A summary inflammation variable was also calculated. Logistic regression, LASSO and Elastic net analyses were implemented. Forty markers were lower in late pregnancy among women with depressive symptoms postpartum. The difference remained statistically significant for STAM-BP (or otherwise AMSH), AXIN-1, ADA, ST1A1 and IL-10, after Bonferroni correction. The summary inflammation variable was ranked as the second best variable, following personal history of depression, in predicting depressive symptoms postpartum. The protein-level findings for STAM-BP and ST1A1 were validated in relation to methylation status of loci in the respective genes in a different population, using openly available data. This explorative approach revealed differences in late pregnancy levels of inflammation markers between women presenting with depressive symptoms postpartum and controls, previously not described in the literature. Despite the fact that the results do not support the use of a single inflammation marker in late pregnancy for assessing risk of postpartum depression, the use of STAM-BP or the novel notion of a summary inflammation variable developed in this work might be used in combination with other biological markers in the future.
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Affiliation(s)
- Emma Bränn
- Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden
| | | | - Emma Fransson
- Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden; Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
| | | | - Åsa Edvinsson
- Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden
| | - Charlotte Hellgren
- Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden
| | - Masood Kamali-Moghaddam
- Department of Immunology, Genetics & Pathology, Science for Life Laboratory, Uppsala University, Sweden
| | - Adrian Boström
- Department of Neuroscience, Functional Pharmacology, Uppsala University, Sweden
| | - Helgi B Schiöth
- Department of Neuroscience, Functional Pharmacology, Uppsala University, Sweden
| | | | - Alkistis Skalkidou
- Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden.
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266
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Badr HA, Zauszniewski JA. Kangaroo care and postpartum depression: The role of oxytocin. Int J Nurs Sci 2017; 4:179-183. [PMID: 31406740 PMCID: PMC6626107 DOI: 10.1016/j.ijnss.2017.01.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Revised: 01/02/2017] [Accepted: 01/04/2017] [Indexed: 12/03/2022] Open
Abstract
Problem Postpartum depression occurs in about 10–22% of women after birth and adversely affects their health and the health of their newborn. Kangaroo care is known to have many health-related benefits for both the mother and her newborn. Purpose The aim of this review was to gather the evidence linking the effects of kangaroo care with postpartum depression, specifically focusing on the proposed underlying mechanism involving the release of oxytocin. Method The literature review was conducted by targeting PubMed, CINAHL, and Google Scholar databases. The search terms used were postpartum depression, postnatal depression, oxytocin, oxytocin hormone, postpartum depression, kangaroo care, and skin-to-skin contact. Results Kangaroo care was found to play an important role in decreasing the risk for postpartum depression. Skin-to-skin contact during kangaroo care was found to trigger the release of oxytocin, which is hypothesized to minimize the risk for depressive symptoms as well as decrease maternal stress. The oxytocinergic system regulates the release of oxytocin, which is an effect that is opposite that which occurs with the human stress response, in which the sympathetic nervous system is activated to release catecholamines in response to harmful or threatening stimuli. The oxytocinergic system regulates calmness, connection, and socialization processes. During kangaroo care, oxytocin blocks the stress response and decreases the circulation of catecholamines, yielding positive outcomes that include maternal stress reduction and prevention of postpartum depression. Conclusion Kangaroo care can be used as a non-pharmacological intervention to prevent or decrease the risk of postpartum depression.
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Affiliation(s)
- Hanan A Badr
- Case Western Reserve University, Frances Payne Bolton School of Nursing, 10900 Euclid Avenue, Cleveland, OH 44106-4904, USA.,King Abdul Aziz University, School of Nursing, Jeddah, P.O. Box 80200, 21589, Saudi Arabia
| | - Jaclene A Zauszniewski
- Case Western Reserve University, Frances Payne Bolton School of Nursing, 2120 Cornell Road, Cleveland, OH 44106, USA
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267
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Avraham Y, Hants Y, Vorobeiv L, Staum M, Abu Ahmad W, Mankuta D, Galun E, Arbel-Alon S. Brain neurotransmitters in an animal model with postpartum depressive-like behavior. Behav Brain Res 2017; 326:307-321. [PMID: 28300619 DOI: 10.1016/j.bbr.2017.01.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 01/04/2017] [Accepted: 01/06/2017] [Indexed: 02/01/2023]
Abstract
Post-Partum Depression (PPD) occurs in 15% of pregnancies and its patho-physiology is not known. We studied female BALB/c ("depressive") and C57BL/6 (control) mice as a model for PPD and assessed their behavior and correlates with brain neurotransmitters (NTs) - norepinephrine, dopamine, serotonin and intermediates, during the pre-pregnancy (PREP), pregnancy (PREG) and post-partum (PP) periods. Depressive-like behavior was evaluated by the Open Field (OFT), Tail Suspension (TST) and Forced Swim (FST) tests. Neurotransmitters (NTs) were determined in the striatum (care-giving), hippocampus (cognitive function) and hypothalamus (maternal care & eating behavior). In the BALB/c mice, while their performance in all behavioral tests was significantly reduced during pregnancy and P-P indicative of the development of depressive-like responses, no changes were observed in the C57BL/6 mice. Changes in NTs in BALB/C were as follows: PREP, all NTs in the three brain areas were decreased, although an increase in dopamine release was observed in the hippocampus. PREG: No changes were observed in the NTs except for a decrease in 5-HT in the striatum. P-P: striatum, low 5-HT, NE and dopamine; Hippocampus: low 5-HT, NE and high Dopamine; hypothalamus: all NTs increased, especially NE. Following pregnancy and delivery, the BALB/c mice developed depressive-like behavior associated with a significant decrease in 5-HT, dopamine and NE in the striatum and 5-HT and NE in the hippocampus. Dopamine increased in the latter together with a significant increase in all NTs in the hypothalamus. These findings suggest that the development of PPD may be associated with NT changes. Normalization of these alterations may have a role in the treatment of PPD.
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Affiliation(s)
- Y Avraham
- Department of Metabolism and Human Nutrition, Braun School of Public Health, Hadassah-Hebrew University Medical School, Jerusalem, Israel.
| | - Y Hants
- Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - L Vorobeiv
- Department of Metabolism and Human Nutrition, Braun School of Public Health, Hadassah-Hebrew University Medical School, Jerusalem, Israel
| | - M Staum
- Department of Metabolism and Human Nutrition, Braun School of Public Health, Hadassah-Hebrew University Medical School, Jerusalem, Israel
| | - Wiessam Abu Ahmad
- Department of Metabolism and Human Nutrition, Braun School of Public Health, Hadassah-Hebrew University Medical School, Jerusalem, Israel
| | - D Mankuta
- Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - E Galun
- Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - S Arbel-Alon
- Hadassah Hebrew University Hospital, Jerusalem, Israel
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268
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Pawluski JL, Lonstein JS, Fleming AS. The Neurobiology of Postpartum Anxiety and Depression. Trends Neurosci 2017; 40:106-120. [PMID: 28129895 DOI: 10.1016/j.tins.2016.11.009] [Citation(s) in RCA: 167] [Impact Index Per Article: 23.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2016] [Revised: 11/28/2016] [Accepted: 11/29/2016] [Indexed: 12/27/2022]
Abstract
Ten to twenty percent of postpartum women experience anxiety or depressive disorders, which can have detrimental effects on the mother, child, and family. Little is known about the neural correlates of these affective disorders when they occur in mothers, but they do have unique neural profiles during the postpartum period compared with when they occur at other times in a woman's life. Given that the neural systems affected by postpartum anxiety and depression overlap and interact with the systems involved in maternal caregiving behaviors, mother-infant interactions are highly susceptible to disruption. Thus, there is an intricate interplay among maternal mental health, the mother-infant relationship, and the neurobiological mechanisms mediating them that needs to be the focus of future study.
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Affiliation(s)
- Jodi L Pawluski
- Inserm U1085-IRSET, Université de Rennes 1, Campus Villejean, 35000 Rennes, France.
| | - Joseph S Lonstein
- Neuroscience Program & Department of Psychology, Michigan State University, East Lansing, MI 48824, USA.
| | - Alison S Fleming
- Psychology and Fraser Mustard Institute for Human Development, University of Toronto at Mississauga (UTM), Mississauga, ONT L5L1C6, Canada
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269
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Abstract
BACKGROUND Postpartum depression (PPD) could affect ~10% of women and impair the quality of mother-infant interactions. Currently, there are no objective methods to diagnose PPD. Therefore, this study was conducted to identify potential biomarkers for diagnosing PPD. MATERIALS AND METHODS Morning urine samples of PPD subjects, postpartum women without depression (PPWD) and healthy controls (HCs) were collected. The gas chromatography-mass spectroscopy (GC-MS)-based urinary metabolomic approach was performed to characterize the urinary metabolic profiling. The orthogonal partial least-squares-discriminant analysis (OPLS-DA) was used to identify the differential metabolites. The logistic regression analysis and Bayesian information criterion rule were further used to identify the potential biomarker panel. The receiver operating characteristic curve analysis was conducted to evaluate the diagnostic performance of the identified potential biomarker panel. RESULTS Totally, 73 PPD subjects, 73 PPWD and 74 HCs were included, and 68 metabolites were identified using GC-MS. The OPLS-DA model showed that there were 22 differential metabolites (14 upregulated and 8 downregulated) responsible for separating PPD subjects from HCs and PPWD. Meanwhile, a panel of five potential biomarkers - formate, succinate, 1-methylhistidine, α-glucose and dimethylamine - was identified. This panel could effectively distinguish PPD subjects from HCs and PPWD with an area under the curve (AUC) curve of 0.948 in the training set and 0.944 in the testing set. CONCLUSION These results demonstrated that the potential biomarker panel could aid in the future development of an objective diagnostic method for PPD.
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Affiliation(s)
- Lin Lin
- Department of Obstetrics and Gynecology, Linyi People's Hospital, Shandong, People's Republic of China
| | - Xiao-Mei Chen
- Department of Obstetrics and Gynecology, Linyi People's Hospital, Shandong, People's Republic of China
| | - Rong-Hua Liu
- Department of Obstetrics and Gynecology, Linyi People's Hospital, Shandong, People's Republic of China
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270
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Toepfer P, Heim C, Entringer S, Binder E, Wadhwa P, Buss C. Oxytocin pathways in the intergenerational transmission of maternal early life stress. Neurosci Biobehav Rev 2016; 73:293-308. [PMID: 28027955 DOI: 10.1016/j.neubiorev.2016.12.026] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 12/08/2016] [Accepted: 12/17/2016] [Indexed: 12/17/2022]
Abstract
Severe stress in early life, such as childhood abuse and neglect, constitutes a major risk factor in the etiology of psychiatric disorders and somatic diseases. Importantly, these long-term effects may impact the next generation. The intergenerational transmission of maternal early life stress (ELS) may occur via pre-and postnatal pathways, such as alterations in maternal-fetal-placental stress physiology, maternal depression during pregnancy and postpartum, as well as impaired mother-offspring interactions. The neuropeptide oxytocin (OT) has gained considerable attention for its role in modulating all of these assumed transmission pathways. Moreover, central and peripheral OT signaling pathways are highly sensitive to environmental exposures and may be compromised by ELS with implications for these putative transmission mechanisms. Together, these data suggest that OT pathways play an important role in the intergenerational transmission of maternal ELS in humans. By integrating recent studies on gene-environment interactions and epigenetic modifications in OT pathway genes, the present review aims to develop a conceptual framework of intergenerational transmission of maternal ELS that emphasizes the role of OT.
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Affiliation(s)
- Philipp Toepfer
- Institute of Medical Psychology, Charité - Universitätsmedizin Berlin, Luisenstraße 57, 10117, Berlin, Germany
| | - Christine Heim
- Institute of Medical Psychology, Charité - Universitätsmedizin Berlin, Luisenstraße 57, 10117, Berlin, Germany; Department of Biobehavioral Health, Penn State University, 219 Biobehavioral Health Building University Park, PA, 16802, USA
| | - Sonja Entringer
- Institute of Medical Psychology, Charité - Universitätsmedizin Berlin, Luisenstraße 57, 10117, Berlin, Germany; UC Irvine Development, Health and Disease Research Program, 333 The City Blvd. W, Suite 810, Orange, CA, 92868, USA
| | - Elisabeth Binder
- Max-Planck Institute of Psychiatry, Kraepelinstr. 2-10, 80804, Munich, Germany; Department of Psychiatry and Behavioral Sciences, Emory University, Atlanta, School of Medicine Atlanta, GA, 30307, USA
| | - Pathik Wadhwa
- UC Irvine Development, Health and Disease Research Program, 333 The City Blvd. W, Suite 810, Orange, CA, 92868, USA
| | - Claudia Buss
- Institute of Medical Psychology, Charité - Universitätsmedizin Berlin, Luisenstraße 57, 10117, Berlin, Germany; UC Irvine Development, Health and Disease Research Program, 333 The City Blvd. W, Suite 810, Orange, CA, 92868, USA.
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271
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Affiliation(s)
- Michael Thomson
- Department of Psychiatry, Western University, London, Ontario, Canada
| | - Verinder Sharma
- Department of Psychiatry and Obstetrics and Gynecology, Western University, London, Ontario, Canada
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272
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Della Vedova AM, Matthey S. The relative risks, and the likelihoods, of becoming postnatally distressed in the presence of common psychosocial risks: a study with Italian-speaking mothers. INTERNATIONAL JOURNAL OF MENTAL HEALTH PROMOTION 2016. [DOI: 10.1080/14623730.2016.1251953] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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273
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Moura D, Canavarro MC, Figueiredo-Braga M. Oxytocin and depression in the perinatal period-a systematic review. Arch Womens Ment Health 2016; 19:561-70. [PMID: 27295067 DOI: 10.1007/s00737-016-0643-3] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Accepted: 06/02/2016] [Indexed: 12/13/2022]
Abstract
Postpartum depression (PPD) is the most common postnatal psychiatric disorder, and it represents a considerable problem to the health and well-being of women and their families. Several pathogenic mechanisms have been identified in PPD, and recently, oxytocin (OT), known to be involved in childbirth and lactation, has drawn attention as a possible diagnostic and therapeutic tool in this disorder. The aim of this review was to assess and summarize the current literature on the relationship between OT as a potential depressive biomarker and depression in the perinatal period. We conducted a literature search on four electronic databases (Pubmed, PsycINFO, Web of Science, and Science Direct) by applying the following search terms: oxytocin AND (postpartum OR postnatal OR perinatal OR peripartum) AND (depression OR depressive). Six studies were included and a total of 620 pregnant women were recruited and completed the follow-up. Depressive symptoms were evaluated using self-report scales, and in three studies, the diagnosis of major depression was additionally confirmed using semi-structured interviews. Peripheral OT levels and depression were assessed during pregnancy and/or after delivery. Higher OT levels were associated with lower depressive symptoms, even if this association lacked statistical significance in two studies. Although some studies are beginning to shed light upon the complex nature of OT's effect in depression, its role as a diagnostic and therapeutic tool in PPD is still unclear. Future research is needed to clarify the neuroendocrinological and psychosocial particularities of mothers with PPD and to define a specific profile associated with OT dysfunction.
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Affiliation(s)
- Diana Moura
- Department of Clinical Neurosciences and Mental Health, Faculty of Medicine, University of Porto, Al. Prof. Hernâni Monteiro, 4200-319, Porto, Portugal
| | - Maria Cristina Canavarro
- Faculty of Psychology and Educational Sciences, University of Coimbra, Rua do Colégio Novo, Apart. 6153, 3001-802, Coimbra, Portugal
| | - Margarida Figueiredo-Braga
- Department of Clinical Neurosciences and Mental Health, Faculty of Medicine, University of Porto, Al. Prof. Hernâni Monteiro, 4200-319, Porto, Portugal. .,I3S - Instituto de Investigação e Inovação em Saúde, University of Porto, R. Alfredo Allen, 4200-135, Porto, Portugal.
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274
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Long-term consequences of prenatal stress and neurotoxicants exposure on neurodevelopment. Prog Neurobiol 2016; 155:21-35. [PMID: 27236051 DOI: 10.1016/j.pneurobio.2016.05.005] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Revised: 02/19/2016] [Accepted: 05/24/2016] [Indexed: 11/20/2022]
Abstract
There is a large consensus that the prenatal environment determines the susceptibility to pathological conditions later in life. The hypothesis most widely accepted is that exposure to insults inducing adverse conditions in-utero may have negative effects on the development of target organs, disrupting homeostasis and increasing the risk of diseases at adulthood. Several models have been proposed to investigate the fetal origins of adult diseases, but although these approaches hold true for almost all diseases, particular attention has been focused on disorders related to the central nervous system, since the brain is particularly sensitive to alterations of the microenvironment during early development. Neurobiological disorders can be broadly divided into developmental, neurodegenerative and neuropsychiatric disorders. Even though most of these diseases share genetic risk factors, the onset of the disorders cannot be explained solely by inheritance. Therefore, current understanding presumes that the interactions of environmental input, may lead to different disorders. Among the insults that can play a direct or indirect role in the development of neurobiological disorders are stress, infections, drug abuse, and environmental contaminants. Our laboratories have been involved in the study of the neurobiological impact of gestational stress on the offspring (Dr. Antonelli's lab) and on the effect of gestational exposure to toxicants, mainly methyl mercury (MeHg) and perfluorinated compounds (PFCs) (Dr. Ceccatelli's lab). In this focused review, we will review the specialized literature but we will concentrate mostly on our own work on the long term neurodevelopmental consequences of gestational exposure to stress and neurotoxicants.
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275
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Mooney-Leber SM, Brummelte S. Neonatal pain and reduced maternal care: Early-life stressors interacting to impact brain and behavioral development. Neuroscience 2016; 342:21-36. [PMID: 27167085 DOI: 10.1016/j.neuroscience.2016.05.001] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Revised: 03/22/2016] [Accepted: 05/02/2016] [Indexed: 12/21/2022]
Abstract
Advances in neonatal intensive care units (NICUs) have drastically increased the survival chances of preterm infants. However, preterm infants are still exposed to a wide range of stressors during their stay in the NICU, which include painful procedures and reduced maternal contact. The activation of the hypothalamic-pituitary-adrenal (HPA) axis, in response to these stressors during this critical period of brain development, has been associated with many acute and long-term adverse biobehavioral outcomes. Recent research has shown that Kangaroo care, a non-pharmacological analgesic based on increased skin-to-skin contact between the neonate and the mother, negates the adverse outcomes associated with neonatal pain and reduced maternal care, however the biological mechanism remains widely unknown. This review summarizes findings from both human and rodent literature investigating neonatal pain and reduced maternal care independently, primarily focusing on the role of the HPA axis and biobehavioral outcomes. The physiological and positive outcomes of Kangaroo care will also be discussed in terms of how dampening of the HPA axis response to neonatal pain and increased maternal care may account for positive outcomes associated with Kangaroo care.
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Affiliation(s)
- Sean M Mooney-Leber
- Department of Psychology, Wayne State University, Detroit, MI, United States
| | - Susanne Brummelte
- Department of Psychology, Wayne State University, Detroit, MI, United States.
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276
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Abstract
This communication approaches the Mahabharata through the prism of reproductive endocrinology. Descriptions of episodes related to reproduction are listed here, to provide fodder for the endocrinologically minded brain. The cases described here are perhaps, the first documented observations of fetal orgasm, pseudocyesis and assisted reproductive technology, including assisted insemination by donor, induction of ovulation, and in vitro fertilization as well as precocious growth and intersex. We do not presume to offer a definite explanation for these interesting episodes from the Mahabharata. We do, however, hope to stimulate interest in ancient Indian literature, and encourage a literary "forensic endocrine" analysis of events relevant to our specialty.
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Affiliation(s)
- Bharti Kalra
- Department of Obstetrics, Bharti Hospital, Karnal, Haryana, India
| | - Manash P. Baruah
- Department of Endocrinology, Excel Hospitals, Guwahati, Assam, India
| | - Sanjay Kalra
- Department of Obstetrics, Bharti Hospital, Karnal, Haryana, India
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277
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Leuner B, Sabihi S. The birth of new neurons in the maternal brain: Hormonal regulation and functional implications. Front Neuroendocrinol 2016; 41:99-113. [PMID: 26969795 PMCID: PMC4942360 DOI: 10.1016/j.yfrne.2016.02.004] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Revised: 02/25/2016] [Accepted: 02/27/2016] [Indexed: 12/21/2022]
Abstract
The maternal brain is remarkably plastic and exhibits multifaceted neural modifications. Neurogenesis has emerged as one of the mechanisms by which the maternal brain exhibits plasticity. This review highlights what is currently known about peripartum-associated changes in adult neurogenesis and the underlying hormonal mechanisms. We also consider the functional consequences of neurogenesis in the peripartum brain and extent to which this process may play a role in maternal care, cognitive function and postpartum mood. Finally, while most work investigating the effects of parenting on adult neurogenesis has focused on mothers, a few studies have examined fathers and these results are also discussed.
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Affiliation(s)
- Benedetta Leuner
- The Ohio State University, Department of Psychology, Columbus, OH, USA; The Ohio State University, Department of Neuroscience, Columbus, OH, USA; The Ohio State University, Behavioral Neuroendocrinology Group, Columbus, OH, USA.
| | - Sara Sabihi
- The Ohio State University, Department of Psychology, Columbus, OH, USA
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278
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Galea LAM, Frick KM, Hampson E, Sohrabji F, Choleris E. Why estrogens matter for behavior and brain health. Neurosci Biobehav Rev 2016; 76:363-379. [PMID: 27039345 PMCID: PMC5045786 DOI: 10.1016/j.neubiorev.2016.03.024] [Citation(s) in RCA: 110] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Revised: 03/21/2016] [Accepted: 03/29/2016] [Indexed: 12/22/2022]
Abstract
The National Institutes of Health (NIH) has required the inclusion of women in clinical studies since 1993, which has enhanced our understanding of how biological sex affects certain medical conditions and allowed the development of sex-specific treatment protocols. However, NIH's policy did not previously apply to basic research, and the NIH recently introduced a new policy requiring all new grant applications to explicitly address sex as a biological variable. The policy itself is grounded in the results of numerous investigations in animals and humans illustrating the existence of sex differences in the brain and behavior, and the importance of sex hormones, particularly estrogens, in regulating physiology and behavior. Here, we review findings from our laboratories, and others, demonstrating how estrogens influence brain and behavior in adult females. Research from subjects throughout the adult lifespan on topics ranging from social behavior, learning and memory, to disease risk will be discussed to frame an understanding of why estrogens matter to behavioral neuroscience.
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Affiliation(s)
- Liisa A M Galea
- Department of Psychology, Centre for Brain Health, University of British Columbia, Vancouver, BC V6T1Z4, Canada.
| | - Karyn M Frick
- Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI 53211, United States
| | - Elizabeth Hampson
- Department of Psychology, University of Western Ontario, London, ON N6A 5C2, Canada
| | - Farida Sohrabji
- Department of Neuroscience and Experimental Therapeutics, Texas A&M HSC College of Medicine, Bryan, TX 77807, United States
| | - Elena Choleris
- Department of Psychology and Neuroscience Program, University of Guelph, Guelph, ON N1G 2W1, Canada
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279
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Hrdy SB. Variable postpartum responsiveness among humans and other primates with "cooperative breeding": A comparative and evolutionary perspective. Horm Behav 2016; 77:272-83. [PMID: 26518662 DOI: 10.1016/j.yhbeh.2015.10.016] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Revised: 10/21/2015] [Accepted: 10/26/2015] [Indexed: 11/26/2022]
Abstract
This article is part of a Special Issue "Parental Care".Until recently, evolutionists reconstructing mother-infant bonding among human ancestors relied on nonhuman primate models characterized by exclusively maternal care, overlooking the highly variable responsiveness exhibited by mothers in species with obligate reliance on allomaternal care and provisioning. It is now increasingly recognized that apes as large-brained, slow maturing, and nutritionally dependent for so long as early humans were, could not have evolved unless "alloparents" (group members other than genetic parents), in addition to parents, had helped mothers to care for and provision offspring, a rearing system known as "cooperative breeding." Here I review situation-dependent maternal responses ranging from highly possessive to permissive, temporarily distancing, rejecting, or infanticidal, documented for a small subset of cooperatively breeding primates. As in many mammals, primate maternal responsiveness is influenced by physical condition, endocrinological priming, prior experience and local environments (especially related to security). But mothers among primates who evolved as cooperative breeders also appear unusually sensitive to cues of social support. In addition to more "sapient" or rational decision-making, humankind's deep history of cooperative breeding must be considered when trying to understand the extremely variable responsiveness of human mothers.
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Affiliation(s)
- Sarah B Hrdy
- Citrona Farms, 21440 County Road 87, Winters, CA 95694, USA.
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