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Zhu XH, Zhang JL, Li DH, Wang ZQ, Liu YK, Fan JX, Jiang SR, Li XR, He XY. Processed Polygonatum cyrtonema Hua attenuates postpartum depression in rat model by regulating monoamines and hormones. Heliyon 2024; 10:e26895. [PMID: 38449668 PMCID: PMC10915386 DOI: 10.1016/j.heliyon.2024.e26895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 02/18/2024] [Accepted: 02/21/2024] [Indexed: 03/08/2024] Open
Abstract
Background Polygonatum cyrtonema Hua is a traditional Chinese medicinal food herb which can regulate the liver and Qi, nourish the heart and blood, moisten the lungs and nourish the kidneys with the potential to treat emotional diseases. However, few studies have explored the effects of Polygonatum cyrtonema Hua on postpartum depression. Therefore, we investigated whether processed Polygonatum cyrtonema Hua could improve postpartum depression in rat models by regulating monoamines and hormones. Methods Female Sprague-Dawley rats were randomized into normal control (0.9%Nacl), Sham operation (0.9%Nacl), postpartum depression model (0.9%Nacl), fluoxetine (2.5 mg/kg Fluoxetine), low, medium and high dose of processed Polygonatum cyrtonema Hua (2.5 g/kg, 5 g/kg, 10 g/kg) groups. Rats in these groups received drug intervention, and then subjected to Open-field test and Forced swimming test. Brain tissues and serum samples were collected and used to quantify levels of monoamines, hypothalamic-pituitary-adrenal axis and serum Estradiol. The status of neuronal cells in hippocampus 1 region was examined through hematoxylin-eosin staining, whereas expression of estrogen receptor α and β was detected by immunohistochemistry. Results Rats in the model group showed decreased mobility time, the disorder of neuronal cells in hippocampus 1 area, and decreased concentration of 5-hydroxytryptamine and dopamine in brain tissue, norepinephrine and estradiol in serum as well as estrogen receptor α and β expression. They also exhibited increased adrenocorticotropic hormone, corticosterone and corticotropin releasing hormone in serum. However, the treatment with processed Polygonatum cyrtonem Hua or fluoxetine reversed the above abnormalities. Conclusion The H group showed significant improvement in postpartum depression in rats, and processed Polygonatum cyrtonema Hua can be used as a developing drug for the prevention or treatment of depression.
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Affiliation(s)
- Xiao-hong Zhu
- College of Traditional Chinese Medicine, Chongqing Medical University, Chongqing, China
| | - Jia-li Zhang
- College of Traditional Chinese Medicine, Chongqing Medical University, Chongqing, China
| | - De-hua Li
- College of Traditional Chinese Medicine, Chongqing Medical University, Chongqing, China
| | - Zhong-qiang Wang
- College of Traditional Chinese Medicine, Chongqing Medical University, Chongqing, China
| | - Yan-ku Liu
- Discipline of Pediatrics, Chongqing Medical University, Chongqing, China
| | - Jing-xian Fan
- College of Traditional Chinese Medicine, Chongqing Medical University, Chongqing, China
| | - Shang-ren Jiang
- Discipline of Pediatrics, Chongqing Medical University, Chongqing, China
| | - Xin-ran Li
- Key Laboratory of Metabolism and Metabolism of Traditional Chinese Medicine in Chongqing, Chongqing Medical University, Chongqing, China
| | - Xian-yuan He
- Key Laboratory of Metabolism and Metabolism of Traditional Chinese Medicine in Chongqing, Chongqing Medical University, Chongqing, China
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Ding K, Wang F, Wang K, Feng X, Yang M, Han B, Li G, Li S. Environmental stress during adolescence promotes depression-like behavior and endocrine abnormalities in rats. Behav Brain Res 2024; 457:114710. [PMID: 37832605 DOI: 10.1016/j.bbr.2023.114710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 10/10/2023] [Accepted: 10/10/2023] [Indexed: 10/15/2023]
Abstract
OBJECTIVE To assess the ability of environmental stress (ES) during adolescence on depression-like behaviors and endocrinology in rats. METHODS Male and female Sprague-Dawley rats before or during puberty were divided into three groups: control group (CON), low-frequency ES group (LF), and high-frequency ES group (HF). ES included water/food deprivation and reversal of day and night. After 4 weeks of ES, the behavioral tests were performed. Plasma concentrations of hormones and peptides were determined by enzyme-linked immunosorbent assay (ELISA). RESULTS ES induced a significant decrease in sucrose preference value in female adolescent rats but not males. In prepubertal rats, the reductions in sucrose preference upon ES were observed without a sex-specific effect. Compared with the CON group, female adolescent rats showed a significant increase, while male adolescent rats showed a significant decrease in plasma corticosterone (CORT) after ES. Also, ES significantly increased plasma leptin in female and male adolescent rats. Moreover, ES significantly increased plasma cholecystokinin (CCK), neuropeptide Y (NPY), and testosterone (TS) levels in adolescent female rats but not in males. No significant differences were found in plasma progesterone and E2 among adolescent rats. The prepubertal male rats showed significant plasma E2 and TS increase after ES, while there were no significant differences between groups in plasma CORT, leptin, CCK, NPY, and progesterone. CONCLUSIONS ES may cause depression-like behaviors in adolescent female rats. Our findings supplement the scientific basis for formulating strategies to treat and prevent adolescent depression.
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Affiliation(s)
- Kaimo Ding
- National Institute on Drug Dependence and Beijing Key Laboratory of Drug Dependence, Peking University, Beijing 100191, China; Zhenjiang Mental Health Center, Jiangsu 212000, China
| | - Fei Wang
- National Institute on Drug Dependence and Beijing Key Laboratory of Drug Dependence, Peking University, Beijing 100191, China; The First Clinical Medical College, Shanxi Medical University, Taiyuan 030001, China
| | - Ke Wang
- National Institute on Drug Dependence and Beijing Key Laboratory of Drug Dependence, Peking University, Beijing 100191, China
| | - Xuezhu Feng
- National Institute on Drug Dependence and Beijing Key Laboratory of Drug Dependence, Peking University, Beijing 100191, China
| | - Min Yang
- Army Medical Center of PLA, Daping Hospital, Army Medical University, No.10 Changjiang Branch Road, Daping, Yuzhong, Chongqing 400042, China
| | - Bai Han
- The First Clinical Medical College, Shanxi Medical University, Taiyuan 030001, China
| | - Guohai Li
- Zhenjiang Mental Health Center, Jiangsu 212000, China.
| | - Suxia Li
- National Institute on Drug Dependence and Beijing Key Laboratory of Drug Dependence, Peking University, Beijing 100191, China.
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Rupanagunta GP, Nandave M, Rawat D, Upadhyay J, Rashid S, Ansari MN. Postpartum depression: aetiology, pathogenesis and the role of nutrients and dietary supplements in prevention and management. Saudi Pharm J 2023; 31:1274-1293. [PMID: 37304359 PMCID: PMC10250836 DOI: 10.1016/j.jsps.2023.05.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 05/08/2023] [Indexed: 06/13/2023] Open
Abstract
Postpartum depression (PPD) is a challenging psychological disorder faced by 10-30% of mothers across the globe. In India, it occurs among 22% of mothers. Its aetiology and pathophysiology aren't fully understood as of today but multiple theories on the interplay of hormones, neurotransmitters, genetics, epigenetics, nutrients, socio-environmental factors, etc. exist. Nutrients are not only essential for the synthesis of neurotransmitters, but they may also indirectly influence genomic pathways that methylate DNA, and there is evidence for molecular associations between nutritional quality and psychological well-being. Increased behavioural disorders have been attributed to macro- and micronutrient deficiencies, and dietary supplementation has been effective in treating several neuropsychiatric illnesses. Nutritional deficiencies occur frequently in women, especially during pregnancy and breastfeeding. The aim of this study was to perform a comprehensive literature review of evidence-based research in order to identify, gather and summarize existing knowledge on PPD's aetiology, pathophysiology, and the role of nutrients in its prevention as well as management. The possible mechanisms of action of nutrients are also presented here. Study findings show that the risk of depression increases when omega-3 fatty acid levels are low. Both fish oil and folic acid supplements have been used to effectively treat depression. Antidepressant efficacy is lowered by folate insufficiency. Folate, vitamin B12, iron, etc. deficiencies are more prevalent in depressed people than in non-depressed people. Serum cholesterol levels and plasma tryptophan levels are found to be inversely correlated with PPD. Serum vitamin D levels were associated inversely with perinatal depression. These findings highlight the importance of adequate nutrition in the antepartum period. Given that nutritional therapies can be affordable, safe, simple to use, and are typically well-accepted by patients, more focus should be placed on dietary variables in PPD.
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Affiliation(s)
- Gnana Prasoona Rupanagunta
- Department of Pharmaceutical Sciences, School of Health Sciences and Technology, University of Petroleum and Energy Studies, Energy Acres Campus, Bidholi, Dehradun 248007, Uttarakhand, India
| | - Mukesh Nandave
- Department of Pharmacology, Delhi Pharmaceutical Sciences and Research University (DPSRU), MB Road, Pushp Vihar, Sector 3, New Delhi 110017, India
| | - Divya Rawat
- Department of Allied Health Sciences, School of Health Sciences and Technology, University of Petroleum and Energy Studies, Energy Acres Campus, Bidholi, Dehradun 248007, Uttarakhand, India
| | - Jyoti Upadhyay
- Department of Pharmaceutical Sciences, School of Health Sciences and Technology, University of Petroleum and Energy Studies, Energy Acres Campus, Bidholi, Dehradun 248007, Uttarakhand, India
| | - Summya Rashid
- Department of Pharmacology & Toxicology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Mohd Nazam Ansari
- Department of Pharmacology & Toxicology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
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Irvine A, Gaffney MI, Haughee EK, Horton MA, Morris HC, Harris KC, Corbin JE, Merrill C, Perlis ML, Been LE. Elevated estradiol during a hormone simulated pseudopregnancy decreases sleep and increases hypothalamic activation in female Syrian hamsters. J Neuroendocrinol 2023:e13278. [PMID: 37127859 DOI: 10.1111/jne.13278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 03/24/2023] [Accepted: 04/13/2023] [Indexed: 05/03/2023]
Abstract
Sleep disruptions are a common occurrence during the peripartum period. While physical and environmental factors associated with pregnancy and newborn care account for some sleep disruptions, there is evidence that peripartum fluctuations in estrogens may independently impact sleep. However, the impact of these large fluctuations in estrogens on peripartum sleep is unclear because it is difficult to tease apart the effects of estrogens on sleep from effects associated with the growth and development of the fetus or parental care. We therefore used a hormone-simulated pseudopregnancy (HSP) in female Syrian hamsters to test the hypothesis that pregnancy-like increases in estradiol decrease sleep in the absence of other factors. Adult female Syrian hamsters were ovariectomized and given daily hormone injections that simulate estradiol levels during early pregnancy, late pregnancy, and the postpartum period. Home cage video recordings were captured at seven timepoints and videos were analyzed for actigraphy. During "late pregnancy," total sleep time and sleep efficiency were decreased in hormone-treated animals during the white light period compared to pretest levels. Likewise, during "late pregnancy," locomotion was increased in the white light period for hormone-treated animals compared to pretest levels. These changes continued into the "postpartum period" for animals who continued to receive estradiol treatment, but not for animals who were withdrawn from estradiol. At the conclusion of the experiment, animals were euthanized and cFos expression was quantified in the ventral lateral preoptic area (VLPO) and lateral hypothalamus (LH). Animals who continued to receive high levels of estradiol during the "postpartum" period had significantly more cFos in the VLPO and LH than animals who were withdrawn from hormones or vehicle controls. Together, these data suggest that increased levels of estradiol during pregnancy are associated with sleep suppression, which may be mediated by increased activation of hypothalamic nuclei.
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Affiliation(s)
- Abiola Irvine
- Department of Psychology, Neuroscience Program, Haverford College, Haverford, Pennsylvania, USA
| | - Maeve I Gaffney
- Department of Psychology, Neuroscience Program, Haverford College, Haverford, Pennsylvania, USA
| | - Erin K Haughee
- Department of Psychology, Neuroscience Program, Haverford College, Haverford, Pennsylvania, USA
| | - Marité A Horton
- Department of Psychology, Neuroscience Program, Haverford College, Haverford, Pennsylvania, USA
| | - Hailey C Morris
- Department of Psychology, Neuroscience Program, Haverford College, Haverford, Pennsylvania, USA
| | - Kagan C Harris
- Department of Psychology, Neuroscience Program, Haverford College, Haverford, Pennsylvania, USA
| | - Jaclyn E Corbin
- Department of Psychology, Neuroscience Program, Haverford College, Haverford, Pennsylvania, USA
| | - Clara Merrill
- Department of Psychology, Neuroscience Program, Haverford College, Haverford, Pennsylvania, USA
| | - Michael L Perlis
- Department of Psychiatry, Behavioral Sleep Medicine Program, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Laura E Been
- Department of Psychology, Neuroscience Program, Haverford College, Haverford, Pennsylvania, USA
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Rasmussen MLH, Poulsen GJ, Videbech P, Wohlfahrt J, Melbye M. Endocrine disease history and the risk of postpartum depression. Br J Psychiatry 2023; 222:119-124. [PMID: 36539281 DOI: 10.1192/bjp.2022.173] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND Previous research has suggested that some women are at increased risk of postpartum depression (PPD) because of an extra sensitivity to fluctuating hormones before and after parturition. This may particularly apply to women with endocrine disease, characterised by a less than optimal capability to self-regulate the hormonal feedback system. AIMS To investigate if women with endocrine disease history are at increased risk of developing PPD. METHOD Based on information from Danish national registers, this nationwide cohort study included 888 989 deliveries (1995-2018). Endocrine disease history was defined as thyroid disease, pre-pregnancy diabetes, polycystic ovary syndrome and/or previous gestational diabetes within 10 years before pregnancy start. PPD was defined as use of antidepressants and/or hospital contact for depression within 6 months after childbirth. RESULTS Among 888 989 deliveries, 4.1% had a history of endocrine disease and 0.5% had a PPD episode. Overall, women with an endocrine disease history had a 42% (risk ratio 1.42, 95% CI 1.24-1.62) higher risk of PPD when compared with women with no endocrine disease. However, we also found the reverse association, whereby women with a PPD history had a 50% (hazard ratio 1.5, 95% CI 1.4-1.6) higher risk of endocrine disease when compared with women with no PPD history. CONCLUSIONS Women with endocrine disease history had a 40% higher risk of PPD compared with women with no endocrine disease. More attention should be given to pregnant women with endocrine disease history to increase awareness of early signs of PPD. The bi-directionality of the association points to a common underlying factor.
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Affiliation(s)
| | - Gry J Poulsen
- Department of Epidemiology Research, Statens Serum Institut, Denmark; and Center for Molecular Prediction of Inflammatory Bowel Disease (PREDICT), Department of Clinical Medicine, Faculty of Medicine, Aalborg University, Denmark
| | - Poul Videbech
- Center for Neuropsychiatric Depression Research, Mental Health Center Glostrup, Denmark
| | - Jan Wohlfahrt
- Department of Epidemiology Research, Statens Serum Institut, Denmark
| | - Mads Melbye
- Department of Clinical Medicine, University of Copenhagen, Denmark; Danish Cancer Society Research Center, Copenhagen, Denmark; K.G. Jebsen Center for Genetic Epidemiology, Department of Public Health, Faculty of Medicine, Norwegian University of Science and Technology, Norway; and Department of Genetics, Stanford University School of Medicine, California, USA
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Foster WB, Beach KF, Carson PF, Harris KC, Alonso BL, Costa LT, Simamora RC, Corbin JE, Hoag KF, Mercado SI, Bernhard AG, Leung CH, Nestler EJ, Been LE. Estradiol withdrawal following a hormone simulated pregnancy induces deficits in affective behaviors and increases ∆FosB in D1 and D2 neurons in the nucleus accumbens core in mice. Horm Behav 2023; 149:105312. [PMID: 36645923 PMCID: PMC9974842 DOI: 10.1016/j.yhbeh.2023.105312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 12/02/2022] [Accepted: 01/09/2023] [Indexed: 01/15/2023]
Abstract
In placental mammals, estradiol levels are chronically elevated during pregnancy, but quickly drop to prepartum levels following birth. This may produce an "estrogen withdrawal" state that has been linked to changes in affective states in humans and rodents during the postpartum period. The neural mechanisms underlying these affective changes, however, are understudied. We used a hormone-simulated pseudopregnancy (HSP), a model of postpartum estrogen withdrawal, in adult female C57BL/6 mice to test the impact of postpartum estradiol withdrawal on several behavioral measures of anxiety and motivation. We found that estradiol withdrawal following HSP increased anxiety-like behavior in the elevated plus maze, but not in the open field or marble burying tests. Although hormone treatment during HSP consistently increased sucrose consumption, sucrose preference was generally not impacted by hormone treatment or subsequent estradiol withdrawal. In the social motivation test, estradiol withdrawal decreased the amount of time spent in proximity to a social stimulus animal. These behavioral changes were accompanied by changes in the expression of ∆FosB, a transcription factor correlated with stable long-term plasticity, in the nucleus accumbens (NAc). Specifically, estrogen-withdrawn females had higher ∆FosB expression in the nucleus accumbens core, but ∆FosB expression did not vary across hormone conditions in the nucleus accumbens shell. Using transgenic reporter mice, we found that this increase in ∆FosB occurred in both D1- and D2-expressing cells in the NAc core. Together, these results suggest that postpartum estrogen withdrawal impacts anxiety and motivation and increases ∆FosB in the NAc core.
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Affiliation(s)
| | | | - Paige F Carson
- Haverford College, Department of Psychology, Haverford, PA, USA
| | - Kagan C Harris
- Haverford College, Department of Psychology, Haverford, PA, USA
| | | | - Leo T Costa
- Haverford College, Department of Psychology, Haverford, PA, USA
| | - Roy C Simamora
- Haverford College, Department of Psychology, Haverford, PA, USA
| | - Jaclyn E Corbin
- Haverford College, Department of Psychology, Haverford, PA, USA
| | - Keegan F Hoag
- Haverford College, Department of Psychology, Haverford, PA, USA
| | | | - Anya G Bernhard
- Haverford College, Department of Psychology, Haverford, PA, USA
| | - Cary H Leung
- Widener College, Department of Biology, Chester, PA, USA
| | - Eric J Nestler
- Icahn School of Medicine at Mount Sinai, Friedman Brain Institute, New York, NY, USA
| | - Laura E Been
- Haverford College, Department of Psychology, Haverford, PA, USA.
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Walsh MJM, Gibson K, Hynd M, Eisenlohr-Moul TA, Walsh EC, Schiff L, Jarskog F, Lalush D, Dichter GS, Schiller CE. Perimenopausal Effects of Estradiol on Anhedonia and Psychosis Study (PEEPs): study protocol for a neural and molecular mechanistic clinical trial. Trials 2023; 24:150. [PMID: 36855177 PMCID: PMC9976383 DOI: 10.1186/s13063-023-07166-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Accepted: 02/13/2023] [Indexed: 03/02/2023] Open
Abstract
BACKGROUND The perimenopausal transition is accompanied by psychiatric symptoms in over 10% of women. Symptoms commonly include depressed mood and anhedonia and less commonly include psychosis. Psychiatric symptoms have been linked to the depletion and/or variability of circulating estradiol, and estradiol treatment reduces perimenopausal anhedonia and psychosis in some women. Estrogen fluctuations may disrupt function in the mesolimbic reward system in some women, leading to psychiatric symptoms like anhedonia or psychosis. The Perimenopausal Effects of Estradiol on Anhedonia and Psychosis Study (PEEPs) is a mechanistic clinical trial that aims to (1) identify relationships between perimenopausal-onset anhedonia and psychosis and neuromolecular markers of mesolimbic reward responses and (2) determine the extent to which estradiol treatment-induced changes in mesolimbic reward responses are associated with alleviation of perimenopausal onset anhedonia or psychosis. METHODS This study will recruit 100 unmedicated women ages 44-55 in the late-stage perimenopausal transition, sampling across the range of mild-to-high anhedonia and absent-to-moderate psychosis symptoms. Patients will be randomized to receive either estradiol or placebo treatment for 3 weeks. Clinical outcome measures will include symptoms of anhedonia (measured with Snaith-Hamilton Pleasure Scale; SHAPS) and psychosis (measured with Brief Psychiatric Rating Scale; BPRS psychosis subscale) as well as neural markers of mesolimbic reward system functioning, including reward-related fMRI activation and PET-derived measure of striatal dopamine binding. Pre-treatment associations between (1) SHAPS/BPRS scores and (2) reward-related striatal dopamine binding/BOLD activation will be examined. Furthermore, longitudinal mixed models will be used to estimate (1) symptom and neuromolecular trajectories as a function of estradiol vs. placebo treatment and (2) how changes in reward-related striatal dopamine binding and BOLD activation predict variability in symptom trajectories in response to estradiol treatment. DISCUSSION This clinical trial will be the first to characterize neural and molecular mechanisms by which estradiol treatment ameliorates anhedonia and psychosis symptoms during the perimenopausal transition, thus laying the groundwork for future biomarker research to predict susceptibility and prognosis and develop targeted treatments for perimenopausal psychiatric symptoms. Furthermore, in alignment with the National Institute for Mental Health Research Domain Criteria initiative, this trial will improve our understanding of a range of disorders characterized by anhedonia, psychosis, and reward system dysfunction. TRIAL REGISTRATION ClinicalTrials.gov NCT05282277.
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Affiliation(s)
- Melissa J M Walsh
- Carolina Institute for Developmental Disabilities, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, 27510, USA.
- Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27514, USA.
| | - Kathryn Gibson
- Carolina Institute for Developmental Disabilities, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, 27510, USA
| | - Megan Hynd
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27514, USA
| | | | - Erin C Walsh
- Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27514, USA
| | - Lauren Schiff
- Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Fred Jarskog
- Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27514, USA
- North Carolina Psychiatric Research Center, Raleigh, NC, 27610, USA
| | - David Lalush
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, NC, USA
| | - Gabriel S Dichter
- Carolina Institute for Developmental Disabilities, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, 27510, USA
- Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27514, USA
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27514, USA
| | - Crystal E Schiller
- Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27514, USA
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8
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Yan M, Bo X, Zhang X, Zhang J, Liao Y, Zhang H, Cheng Y, Guo J, Cheng J. Mangiferin Alleviates Postpartum Depression-Like Behaviors by Inhibiting MAPK Signaling in Microglia. Front Pharmacol 2022; 13:840567. [PMID: 35721155 PMCID: PMC9204178 DOI: 10.3389/fphar.2022.840567] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 05/03/2022] [Indexed: 12/11/2022] Open
Abstract
Postpartum depression (PPD), a severe mental health disorder, is closely associated with decreased gonadal hormone levels during the postpartum period. Mangiferin (MGF) possesses a wide range of pharmacological activities, including anti-inflammation. Growing evidence has suggested that neuroinflammation is involved in the development of depression. However, the role of MGF in the development of PPD is largely unknown. In the present study, by establishing a hormone-simulated pregnancy PPD mouse model, we found that the administration of MGF significantly alleviated PPD-like behaviors. Mechanistically, MGF treatment inhibited microglial activation and neuroinflammation. Moreover, we found that MGF treatment inhibited mitogen-activated protein kinase (MAPK) signaling in vivo and in vitro. Together, these results highlight an important role of MGF in microglial activation and thus give insights into the potential therapeutic strategy for PPD treatment.
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Affiliation(s)
- Meichen Yan
- Center on Translational Neuroscience, College of Life and Environmental Science, Minzu University of China, Beijing, China
| | - Xuena Bo
- Center on Translational Neuroscience, College of Life and Environmental Science, Minzu University of China, Beijing, China
| | - Xinchao Zhang
- Center on Translational Neuroscience, College of Life and Environmental Science, Minzu University of China, Beijing, China
| | - Jingdan Zhang
- Center on Translational Neuroscience, College of Life and Environmental Science, Minzu University of China, Beijing, China
| | - Yajin Liao
- Center on Translational Neuroscience, College of Life and Environmental Science, Minzu University of China, Beijing, China
| | - Haiyan Zhang
- Key Laboratory of Modern Preparation of TCM, Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Yong Cheng
- Center on Translational Neuroscience, College of Life and Environmental Science, Minzu University of China, Beijing, China
| | - Junxia Guo
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, China
| | - Jinbo Cheng
- Center on Translational Neuroscience, College of Life and Environmental Science, Minzu University of China, Beijing, China.,The Brain Science Center, Beijing Institute of Basic Medical Sciences, Beijing, China
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9
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Engler-Chiurazzi EB, Chastain WH, Citron KK, Lambert LE, Kikkeri DN, Shrestha SS. Estrogen, the Peripheral Immune System and Major Depression – A Reproductive Lifespan Perspective. Front Behav Neurosci 2022; 16:850623. [PMID: 35493954 PMCID: PMC9051447 DOI: 10.3389/fnbeh.2022.850623] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 03/17/2022] [Indexed: 12/01/2022] Open
Abstract
Major depression is a significant medical issue impacting millions of individuals worldwide. Identifying factors contributing to its manifestation has been a subject of intense investigation for decades and several targets have emerged including sex hormones and the immune system. Indeed, an extensive body of literature has demonstrated that sex hormones play a critical role in modulating brain function and impacting mental health, especially among female organisms. Emerging findings also indicate an inflammatory etiology of major depression, revealing new opportunities to supplement, or even supersede, currently available pharmacological interventions in some patient populations. Given the established sex differences in immunity and the profound impact of fluctuations of sex hormone levels on the immune system within the female, interrogating how the endocrine, nervous, and immune systems converge to impact women’s mental health is warranted. Here, we review the impacts of endogenous estrogens as well as exogenously administered estrogen-containing therapies on affect and immunity and discuss these observations in the context of distinct reproductive milestones across the female lifespan. A theoretical framework and important considerations for additional study in regards to mental health and major depression are provided.
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Affiliation(s)
- Elizabeth B. Engler-Chiurazzi
- Department of Neurosurgery, Clinical Neuroscience Research Center, Tulane Brain Institute, Tulane University School of Medicine, New Orleans, LA, United States
- Department of Neurology, Tulane University School of Medicine, New Orleans, LA, United States
- *Correspondence: Elizabeth B. Engler-Chiurazzi,
| | - Wesley H. Chastain
- Department of Neurosurgery, Clinical Neuroscience Research Center, Tulane Brain Institute, Tulane University School of Medicine, New Orleans, LA, United States
| | - Kailen K. Citron
- Department of Neurosurgery, Clinical Neuroscience Research Center, Tulane Brain Institute, Tulane University School of Medicine, New Orleans, LA, United States
| | - Lillian E. Lambert
- Department of Neurosurgery, Clinical Neuroscience Research Center, Tulane Brain Institute, Tulane University School of Medicine, New Orleans, LA, United States
| | - Divya N. Kikkeri
- Department of Neurosurgery, Clinical Neuroscience Research Center, Tulane Brain Institute, Tulane University School of Medicine, New Orleans, LA, United States
| | - Sharhana S. Shrestha
- Department of Neurosurgery, Clinical Neuroscience Research Center, Tulane Brain Institute, Tulane University School of Medicine, New Orleans, LA, United States
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Been LE, Sheppard PAS, Galea LAM, Glasper ER. Hormones and neuroplasticity: A lifetime of adaptive responses. Neurosci Biobehav Rev 2021; 132:679-690. [PMID: 34808191 DOI: 10.1016/j.neubiorev.2021.11.029] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 10/15/2021] [Accepted: 11/08/2021] [Indexed: 12/18/2022]
Abstract
Major life transitions often co-occur with significant fluctuations in hormones that modulate the central nervous system. These hormones enact neuroplastic mechanisms that prepare an organism to respond to novel environmental conditions and/or previously unencountered cognitive, emotional, and/or behavioral demands. In this review, we will explore several examples of how hormones mediate neuroplastic changes in order to produce adaptive responses, particularly during transitions in life stages. First, we will explore hormonal influences on social recognition in both males and females as they transition to sexual maturity. Next, we will probe the role of hormones in mediating the transitions to motherhood and fatherhood, respectively. Finally, we will survey the long-term impact of reproductive experience on neuroplasticity in females, including potential protective effects and risk factors associated with reproductive experience in mid-life and beyond. Ultimately, a more complete understanding of how hormones influence neuroplasticity throughout the lifespan, beyond development, is necessary for understanding how individuals respond to life changes in adaptive ways.
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Affiliation(s)
- Laura E Been
- Department of Psychology, Haverford College, 370 Lancaster Avenue, Haverford, PA, 19041, USA.
| | - Paul A S Sheppard
- Department of Physiology and Pharmacology, Robarts Research Institute, Schulich School of Medicine & Dentistry, University of Western Ontario, 1151 Richmond St, London, Ontario, N6A 5B7, Canada.
| | - Liisa A M Galea
- Department of Psychology, Graduate Program in Neuroscience, Djavad Mowafaghian Centre for Brain Health, 2215 Wesbrook Mall, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada.
| | - Erica R Glasper
- Department of Psychology, University of Maryland, College Park, MD, 20742 USA.
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11
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Mapping global prevalence of depression among postpartum women. Transl Psychiatry 2021; 11:543. [PMID: 34671011 PMCID: PMC8528847 DOI: 10.1038/s41398-021-01663-6] [Citation(s) in RCA: 166] [Impact Index Per Article: 55.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 09/16/2021] [Accepted: 09/27/2021] [Indexed: 02/05/2023] Open
Abstract
Postpartum depression (PPD) is the most common psychological condition following childbirth, and may have a detrimental effect on the social and cognitive health of spouses, infants, and children. The aim of this study was to complete a comprehensive overview of the current literature on the global epidemiology of PPD. A total of 565 studies from 80 different countries or regions were included in the final analysis. Postpartum depression was found in 17.22% (95% CI 16.00-18.51) of the world's population. Meta-regression analysis showed that study size, country or region development, and country or region income were the causes of heterogeneity. Multivariable meta-regression analysis found that study size and country or area development were the most important predictors. Varied prevalence rates were noted in geographic regions with the highest rate found in Southern Africa (39.96%). Of interested was a significantly lower rate of PPD in developed countries or high-income countries or areas. Furthermore, the findings showed that there was a substantial difference in rates of PPD when marital status, educational level, social support, spouse care, violence, gestational age, breast feeding, child mortality, pregnancy plan, financial difficulties, partnership, life stress, smoking, alcohol intake, and living conditions were considered in the pooled estimates. Our results indicated that one out of every five women experiences PPD which is linked to income and geographic development. It is triggered by a variety of causes that necessitate the attention and committed intervention of primary care providers, clinicians, health authorities, and the general population.
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12
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Menhaden fish oil attenuates postpartum depression in rat model via inhibition of NLRP3-inflammasome driven inflammatory pathway. J Tradit Complement Med 2021; 11:419-426. [PMID: 34522636 PMCID: PMC8427465 DOI: 10.1016/j.jtcme.2021.02.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Revised: 08/07/2020] [Accepted: 02/19/2021] [Indexed: 02/06/2023] Open
Abstract
Background and aim Postpartum depression (PPD) is a familiar problem which is associated with about 10–20% of women after child delivery. Fish oil (FO) has a therapeutic potentials to many diseases including mood disorders. However, there is paucity of data on the effects of FO supplementation on PPD rat model. Hence, this study aimed at investigating the potentials of FO in ameliorating depressive-like behaviors in PPD rat by evaluating the involvement of NLRP3-inflammasome. Experimental procedure Thirty six virgin adult female rats (n = 6) were randomly divided into six groups; Group 1–3 were normal control (NC), Sham (SHAM) and ovariectomized group (OVX) respectively whereas group 4–6 were PPD rats forced-fed once daily with distilled water (PPD), fish oil (PPD + FO; 9 g/kg) and Fluoxetine (PPD + FLX; 15 mg/kg) respectively from postpartum day 1 and continued for 10 consecutive days. Rats behaviors were evaluated on postpartum day 10 through open field test (OFT) and forced swimming test (FST), followed by biochemical analysis of NLRP3 inflammasome proteins pathway in their brain and determination of neutrophil to lymphocyte ratio (NLR). Results PPD-induced rats exhibited high immobility and low swimming time in FST with increased inflammatory status; NLR, IL-1β and NFкB/NLRP3/caspase-1 activity in their hippocampus. However, administration of FO or fluoxetine reversed the aforementioned abnormalities. Conclusion In conclusion, 10 days supplementation with FO ameliorated the depressive-like behaviors in PPD rats by targeting the NFкB/NLRP3/caspase-1/IL-1β activity. This has shed light on the potential of NLRP3 as a therapeutic target in treatment of PPD in rats. Pioneer study on 10 days effect of Menhaden fish oil in post partum depression rat model. Menhaden fish oil attenuates post partum depression in rat model. Menhanden fish oil acted through NLRP3 inflammasome pathways.
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Abstract
ABSTRACT Despite extensive research, the etiology behind postpartum depression (PPD) remains a mystery. Experts have theorized about various potential risk factors, including hormonal fluctuations, genetics, prior history of depression, low socioeconomic status, adolescent pregnancy, and certain personality traits. This article provides foundational information about PPD, reviewing the risk factors for and the consequences of this mood disorder. Postpartum blues and postpartum psychosis are briefly discussed for context, although they differ from PPD. Screening and treatment options are explained, and nursing implications for practice are presented.
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Affiliation(s)
- Barbara Marie Alba
- Barbara Marie Alba is the director of nursing for maternal-child health services at New York-Presbyterian Hospital, New York City. Contact author: . The author and planners have disclosed no potential conflicts of interest, financial or otherwise. A podcast with the author is available at www.ajnonline.com
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14
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Hedges VL, Heaton EC, Amaral C, Benedetto LE, Bodie CL, D'Antonio BI, Davila Portillo DR, Lee RH, Levine MT, O'Sullivan EC, Pisch NP, Taveras S, Wild HR, Grieb ZA, Ross AP, Albers HE, Been LE. Estrogen Withdrawal Increases Postpartum Anxiety via Oxytocin Plasticity in the Paraventricular Hypothalamus and Dorsal Raphe Nucleus. Biol Psychiatry 2021; 89:929-938. [PMID: 33487439 PMCID: PMC8052262 DOI: 10.1016/j.biopsych.2020.11.016] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 11/11/2020] [Accepted: 11/11/2020] [Indexed: 12/31/2022]
Abstract
BACKGROUND Estrogen increases dramatically during pregnancy but quickly drops below prepregnancy levels at birth and remains suppressed during the postpartum period. Clinical and rodent work suggests that this postpartum drop in estrogen results in an estrogen withdrawal state that is related to changes in affect, mood, and behavior. How estrogen withdrawal affects oxytocin (OT) neurocircuitry has not been examined. METHODS We used a hormone-simulated pseudopregnancy followed by estrogen withdrawal in Syrian hamsters, a first for this species. Ovariectomized females were given daily injections to approximate hormone levels during gestation and then withdrawn from estrogen to simulate postpartum estrogen withdrawal. These hamsters were tested for behavioral assays of anxiety and anhedonia during estrogen withdrawal. Neuroplasticity in OT-producing neurons in the paraventricular nucleus of the hypothalamus and its efferent targets was measured. RESULTS Estrogen-withdrawn females had increased anxiety-like behaviors in the elevated plus maze and open field tests but did not differ from control females in sucrose preference. Furthermore, estrogen-withdrawn females had more OT-immunoreactive cells and OT messenger RNA in the paraventricular nucleus of the hypothalamus and an increase in OT receptor density in the dorsal raphe nucleus. Finally, blocking OT receptors in the dorsal raphe nucleus during estrogen withdrawal prevented the high-anxiety behavioral phenotype in estrogen-withdrawn females. CONCLUSIONS Estrogen withdrawal induces OT neuroplasticity in the paraventricular nucleus of the hypothalamus and dorsal raphe nucleus to increase anxiety-like behavior during the postpartum period. More broadly, these experiments suggest Syrian hamsters as a novel organism in which to model the effects of postpartum estrogen withdrawal on the brain and anxiety-like behavior.
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Affiliation(s)
- Valerie L Hedges
- Physiology Department, Michigan State University, East Lansing, Michigan
| | | | - Claudia Amaral
- Department of Psychology, Haverford College, Haverford, Pennsylvania
| | | | - Clio L Bodie
- Department of Psychology, Haverford College, Haverford, Pennsylvania
| | | | | | - Rachel H Lee
- Department of Psychology, Haverford College, Haverford, Pennsylvania
| | - M Taylor Levine
- Department of Psychology, Haverford College, Haverford, Pennsylvania
| | | | - Natalie P Pisch
- Department of Psychology, Haverford College, Haverford, Pennsylvania
| | - Shantal Taveras
- Department of Psychology, Haverford College, Haverford, Pennsylvania
| | - Hannah R Wild
- Department of Psychology, Haverford College, Haverford, Pennsylvania
| | - Zachary A Grieb
- Center for Behavioral Neuroscience and Neuroscience Institute, Georgia State University, Atlanta, Georgia
| | - Amy P Ross
- Center for Behavioral Neuroscience and Neuroscience Institute, Georgia State University, Atlanta, Georgia
| | - H Elliott Albers
- Center for Behavioral Neuroscience and Neuroscience Institute, Georgia State University, Atlanta, Georgia
| | - Laura E Been
- Department of Psychology, Haverford College, Haverford, Pennsylvania.
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15
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A Scientometric Approach to Review the Role of the Medial Preoptic Area (MPOA) in Parental Behavior. Brain Sci 2021; 11:brainsci11030393. [PMID: 33804634 PMCID: PMC8003755 DOI: 10.3390/brainsci11030393] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 03/15/2021] [Accepted: 03/16/2021] [Indexed: 12/15/2022] Open
Abstract
Research investigating the neural substrates underpinning parental behaviour has recently gained momentum. Particularly, the hypothalamic medial preoptic area (MPOA) has been identified as a crucial region for parenting. The current study conducted a scientometric analysis of publications from 1 January 1972 to 19 January 2021 using CiteSpace software to determine trends in the scientific literature exploring the relationship between MPOA and parental behaviour. In total, 677 scientific papers were analysed, producing a network of 1509 nodes and 5498 links. Four major clusters were identified: “C-Fos Expression”, “Lactating Rat”, “Medial Preoptic Area Interaction” and “Parental Behavior”. Their content suggests an initial trend in which the properties of the MPOA in response to parental behavior were studied, followed by a growing attention towards the presence of a brain network, including the reward circuits, regulating such behavior. Furthermore, while attention was initially directed uniquely to maternal behavior, it has recently been extended to the understanding of paternal behaviors as well. Finally, although the majority of the studies were conducted on rodents, recent publications broaden the implications of previous documents to human parental behavior, giving insight into the mechanisms underlying postpartum depression. Potential directions in future works were also discussed.
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16
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Cowell W, Colicino E, Askowitz T, Nentin F, Wright RJ. Fetal sex and maternal postpartum depressive symptoms: findings from two prospective pregnancy cohorts. Biol Sex Differ 2021; 12:6. [PMID: 33407895 PMCID: PMC7789145 DOI: 10.1186/s13293-020-00348-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 12/09/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Fetal sex is known to modify the course and complications of pregnancy, with recent evidence of sex-differential fetal influences on the maternal immune and endocrine systems. In turn, heightened inflammation and surges in reproductive hormone levels associated with pregnancy and parturition have been linked with the development of perinatal depression. Here, we examined whether there is an association between fetal sex and maternal depression assessed during the prenatal and postnatal periods. METHODS The study included two multi-ethnic, prospective pregnancy cohorts that enrolled women from prenatal clinics in the Northeastern United States between 2001 and 2018. Maternal depressive symptoms were measured during the prenatal and postnatal periods using the Edinburgh Postpartum Depression Scale (EPDS), and newborn sex was reported by the mother following delivery. We used logistic regression to examine associations between fetal sex and maternal depressive symptoms (EPDS > 10) during the prenatal period only, postnatal period only, or both periods versus no depressive symptoms during either period. We considered both unadjusted models and models adjusted for a core set of sociodemographic and lifestyle variables. RESULTS In adjusted models using PRISM data (N = 528), women pregnant with a male versus female fetus had significantly greater odds of depressive symptoms during the postnatal period compared to women without depressive symptoms during either period (odds ratio [OR] = 5.24, 95% confidence interval [CI] = 1.93, 14.21). The direction of results was consistent in the ACCESS cohort, although the findings did not reach statistical significance (OR = 2.05, 95% CI = 0.86, 4.93). Significant associations were not observed in either cohort among women with prenatal symptoms only or women with prenatal and postnatal symptoms. CONCLUSIONS Male fetal sex was associated with the onset of depressive symptoms during the postnatal period.
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Affiliation(s)
- Whitney Cowell
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY USA
| | - Elena Colicino
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY USA
| | - Talia Askowitz
- Department of Pediatrics, Kravis Children’s Hospital, Icahn School of Medicine at Mount Sinai, New York, NY USA
| | - Farida Nentin
- Department of Obstetrics and Gynecology, Icahn School of Medicine at Mount Sinai, New York, NY USA
| | - Rosalind J. Wright
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY USA
- Department of Pediatrics, Kravis Children’s Hospital, Icahn School of Medicine at Mount Sinai, New York, NY USA
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17
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Ambrase A, Lewis CA, Barth C, Derntl B. Influence of ovarian hormones on value-based decision-making systems: Contribution to sexual dimorphisms in mental disorders. Front Neuroendocrinol 2021; 60:100873. [PMID: 32987043 DOI: 10.1016/j.yfrne.2020.100873] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 07/28/2020] [Accepted: 09/15/2020] [Indexed: 12/22/2022]
Abstract
Women and men exhibit differences in behavior when making value-based decisions. Various hypotheses have been proposed to explain these findings, stressing differences in functional lateralization of the brain, functional activation, neurotransmitter involvement and more recently, sex hormones. While a significant interaction of neurotransmitter systems and sex hormones has been shown for both sexes, decision-making in women might be particularly affected by variations of ovarian hormones. In this review we have gathered information from animal and human studies on how ovarian hormones affect decision-making processes in females by interacting with neurotransmitter systems at functionally relevant brain locations and thus modify the computation of decision aspects. We also review previous findings on impaired decision-making in animals and clinical populations with substance use disorder and depression, emphasizing how little we know about the role of ovarian hormones in aberrant decision-making.
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Affiliation(s)
- Aiste Ambrase
- Department of Psychiatry and Psychotherapy, University of Tuebingen, Tübingen, Germany; International Max Planck Research School for Cognitive and Systems Neuroscience, University of Tübingen, Tuebingen, Germany
| | - Carolin A Lewis
- Department of Psychiatry and Psychotherapy, University of Tuebingen, Tübingen, Germany; Emotion Neuroimaging Lab, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany; International Max Planck Research School on Neuroscience of Communication: Function, Structure, and Plasticity, Leipzig, Germany
| | - Claudia Barth
- Norwegian Centre for Mental Disorders Research, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Birgit Derntl
- Department of Psychiatry and Psychotherapy, University of Tuebingen, Tübingen, Germany; International Max Planck Research School for Cognitive and Systems Neuroscience, University of Tübingen, Tuebingen, Germany; TübingenNeuroCampus, University of Tübingen, Tübingen, Germany; LEAD Research School and Graduate Network, University of Tübingen, Tübingen, Germany.
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18
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Estradiol and Women's Health: Considering the Role of Estradiol as a Marker in Behavioral Medicine. Int J Behav Med 2020; 27:294-304. [PMID: 32006161 DOI: 10.1007/s12529-019-09820-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The sex hormone estradiol, as measured through saliva, represents a non-invasive and cost-effective approach to understanding the influence of hormonal factors on physical and psychological well-being among women. Estradiol levels dramatically change at hormonal transitions, such as puberty, menopause, and postpartum. It is at these transitions where women are at increased risk for psychological and somatic distress. Salivary estradiol also has implications for decision-making and has been broadly associated with engagement in health-compromising behaviors which can influence women's ability to cope with and manage chronic health conditions. This review summarizes the evidence for salivary estradiol as a marker of physical and psychological health, and discusses practical information regarding saliva collection and assay. The overall intent is to expand and clarify knowledge of the relation between changes in salivary estradiol and women's health as well as to provide a means of integrating salivary estradiol into future behavioral medicine research.
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19
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Associations between sex hormones, sleep problems and depression: A systematic review. Neurosci Biobehav Rev 2020; 118:669-680. [PMID: 32882313 DOI: 10.1016/j.neubiorev.2020.08.006] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 07/30/2020] [Accepted: 08/11/2020] [Indexed: 01/14/2023]
Abstract
Sleep problems and depression are both common and have a high impact on quality of life. They are also strongly associated and commonly occur together. During the reproductive age, both sleep problems and depression are almost twice as common in women than men. Epidemiological studies show that women experience more sleep problems and depressive symptoms around times when sex hormones change, such as puberty and menopause, but it is unclear what effect sex hormones have on sleep problems and depression. This systematic review aims to summarize and evaluate studies that investigated the relationship between sex hormones, sleep and depression. Systematic search resulted in 2895 articles, of which 13 met inclusion criteria. Depressed patients showed worse sleep than controls, but no significant difference in endogenous hormone levels was found. Additionally, higher endogenous estrogen was associated with better sleep in controls, but associations between endogenous sex hormones and depressive symptoms were inconclusive. More research on the effect of sex hormones on sleep and depression is necessary.
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20
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Eisenlohr-Moul TA, Kaiser G, Weise C, Schmalenberger KM, Kiesner J, Ditzen B, Kleinstäuber M. Are there temporal subtypes of premenstrual dysphoric disorder?: using group-based trajectory modeling to identify individual differences in symptom change. Psychol Med 2020; 50:964-972. [PMID: 31010447 PMCID: PMC8168625 DOI: 10.1017/s0033291719000849] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND Premenstrual dysphoric disorder (PMDD) is a new Diagnostic and Statistical Manual of Mental Disorders (DSM)-5 diagnosis characterized by the cyclical emergence of emotional and physical symptoms in the luteal phase of the menstrual cycle, with symptom remission in the follicular phase. Converging evidence highlights the possibility of distinct subtypes of PMDD with unique pathophysiologies, but temporal subgroups have yet to be explored in a systematic way. METHODS In the current work, we use group-based trajectory modeling to identify unique trajectory subgroups of core emotional and total PMDD symptoms across the perimenstrual frame (days -14 to +9, where day 0 is menstrual onset) in a sample of 74 individuals prospectively diagnosed with DSM-5 PMDD. RESULTS For the total daily symptom score, the best-fitting model was comprised of three groups: a group demonstrating moderate symptoms only in the premenstrual week (65%), a group demonstrating severe symptoms across the full 2 weeks of the luteal phase (17.5%), and a group demonstrating severe symptoms in the premenstrual week that were slow to resolve in the follicular phase (17.5%). CONCLUSIONS These trajectory groups are discussed in the context of the latest work on the pathophysiology of PMDD. Experimental work is needed to test for the presence of possible pathophysiologic differences in trajectory groups, and whether unique treatment approaches are needed.
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21
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Musniati, Syamsuddin S, Tamar M. Estradiol levels in postpartum blues incidences at Pertiwi Maternal and Child Hospitals in Makassar. ENFERMERIA CLINICA 2020. [DOI: 10.1016/j.enfcli.2019.07.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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22
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Maguire J, McCormack C, Mitchell A, Monk C. Neurobiology of maternal mental illness. HANDBOOK OF CLINICAL NEUROLOGY 2020; 171:97-116. [PMID: 32736761 DOI: 10.1016/b978-0-444-64239-4.00005-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This chapter provides an overview of current research discoveries beginning to uncover the neurobiology of maternal mental illness. Results are described according to standard diagnostic categories (specifically, perinatal depression, perinatal anxiety and OCD, postpartum psychosis and bipolar disorder, and trauma and posttraumatic stress disorder), yet we aim to put this approach in context with the introduction of a classification model for psychiatric research, the research domain criteria, gaining traction in basic and clinical translational fields. We first review a new area of study, the neuroplasticity of the pregnant and postpartum brain, as work here has relevance for understanding the pathophysiology of mental disorders and may provide clues to changes in brain functioning that are related to compromised parenting in the context of postpartum depression. We next provide background information on neuroendocrine and immune changes during pregnancy and, to a lesser extent, the postpartum period, as alterations in these systems are significantly implicated in underlying neurobiology of mental illness for peripartum women. Our discussion of the major mental illnesses for pregnant and postpartum women includes neuroendocrine changes, neuroinflammation, and neurotransmitter alterations, as well as circuit dysfunction. Overall, remarkable progress has been made in identifying variations in neurobiology (and related systems) involved in maternal mental illness; yet, it is clear that, as classified with standard diagnostic systems, these are heterogeneous disorders and there is individual variability in the alterations in neurobiology for the same illness.
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Affiliation(s)
- Jamie Maguire
- Department of Neuroscience, Tufts University School of Medicine, Boston, MA, United States
| | - Clare McCormack
- Center for Science and Society, Columbia University, New York, NY, United States
| | - Anika Mitchell
- Department of Obstetrics and Gynecology, Columbia University Irving Medical Center, New York, NY, United States
| | - Catherine Monk
- Department of Obstetrics and Gynecology, Columbia University Irving Medical Center, New York, NY, United States; Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, United States; New York State Psychiatric Institute, New York, NY, United States.
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23
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Post C, Leuner B. The maternal reward system in postpartum depression. Arch Womens Ment Health 2019; 22:417-429. [PMID: 30554286 PMCID: PMC6784840 DOI: 10.1007/s00737-018-0926-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Accepted: 11/07/2018] [Indexed: 12/12/2022]
Abstract
The experience of motherhood is most often emotionally positive and rewarding, but for many new mothers suffering from postpartum depression (PPD), this is not the case. Preclinical and clinical research has sought to uncover brain changes underlying PPD in order to gain a better understanding of how this disorder develops. This review focuses on the mesolimbic dopamine system, particularly the ventral tegmental area-nucleus accumbens pathway which has been implicated in the regulation of critical functions disrupted in PPD including mood, motivation, and mothering. Specifically, we discuss normative changes in the mesolimbic system during motherhood in both rodents and humans and how these are impacted in PPD. We also consider modulation of mesolimbic dopamine by the hypothalamic neuropeptide oxytocin and how oxytocin-dopamine interactions regulate mood and mothering during the postpartum period. In addition to providing an overview of reward mechanisms in PPD, our goal is to highlight open questions which warrant further research.
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Affiliation(s)
- Caitlin Post
- Department of Psychology, The Ohio State University, 1835 Neil Avenue, Columbus, OH, USA
| | - Benedetta Leuner
- Department of Psychology, The Ohio State University, 1835 Neil Avenue, Columbus, OH, USA.
- Department of Neuroscience, The Ohio State University Wexner Medical Center, Columbus, OH, USA.
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24
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Abstract
Perinatal depression is a common disorder that has been associated with serious risks to mother and child. Recently, screening for depression in pregnant and postpartum women has increased, as has the development of new psychotherapy and non-drug treatment modalities. Matching patients to treatments can be challenging, and although research into personalized treatment of major depression in the general population has increased, no published guidelines focus on personalized treatment approaches to perinatal depression. In particular, guidelines on non-drug treatments are lacking. This review summarizes the evidence on personalized non-drug treatment of perinatal depression, how to incorporate patients' preferences, novel treatments under investigation, and the potential role of biomarkers in matching patients to treatment. The review provides recommendations for future research in personalized care of perinatal depression.
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Affiliation(s)
- Sara L Johansen
- Stanford University School of Medicine, Stanford, CA 94305-5119, USA
| | - Thalia K Robakis
- Stanford University School of Medicine, Stanford, CA 94305-5119, USA
| | | | - Natalie L Rasgon
- Stanford University School of Medicine, Stanford, CA 94305-5119, USA
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25
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Santos HP, Nephew BC, Bhattacharya A, Tan X, Smith L, Alyamani RAS, Martin EM, Perreira K, Fry RC, Murgatroyd C. Discrimination exposure and DNA methylation of stress-related genes in Latina mothers. Psychoneuroendocrinology 2018; 98:131-138. [PMID: 30144780 PMCID: PMC6204298 DOI: 10.1016/j.psyneuen.2018.08.014] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 08/08/2018] [Accepted: 08/08/2018] [Indexed: 12/14/2022]
Abstract
Latina mothers, who have the highest fertility rate among all ethnic groups in the US, are often exposed to discrimination. The epigenetic changes related to this discrimination are largely unknown. This study is the first to explore the relationship between discrimination and DNA methylation of stress regulatory genes in Latinas. Our sample was Latina women (n = 147) with a mean age of 27.6 years who were assessed at 24-32 weeks' gestation (T1) and 4-6 weeks postpartum (T2) and reside in the U.S. Blood was collected at T1, and the Everyday Discrimination Scale (EDS) was administered at T1 and T2. DNA Methylation at candidate gene regions was determined by bisulphite pyrosequencing. Associations between EDS and DNA methylation were assessed via zero-inflated Poisson models, adjusting for covariates and multiple-test comparisons. Discrimination was negatively associated with methylation at CpG sites within the glucocorticoid receptor (NR3C1) and brain-derived neurotrophic factor (BDNF) genes that were consistent over time. In addition, discrimination was negatively associated with methylation of a CpG in the glucocorticoid binding protein (FKBP5) at T1 but not at T2. This study underscores associations between discrimination and epigenetic markers of DNA methylation in Latinas that warrant further investigation to better understand the biological pathways and psychopathological effects of discrimination on Latina mothers and their families.
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Affiliation(s)
- Hudson P Santos
- School of Nursing, University of North Carolina at Chapel Hill, North Carolina, United States.
| | - Benjamin C Nephew
- Department of Biology and Biotechnology, Worcester Polytechnic Institute, Worcester, MA, United States
| | - Arjun Bhattacharya
- Department of Biostatistics, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, North Carolina, United States
| | - Xianming Tan
- Department of Biostatistics, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, North Carolina, United States
| | - Laura Smith
- School of Healthcare Science, Manchester Metropolitan University, Manchester, United Kingdom
| | | | - Elizabeth M Martin
- Epigenetics and Stem Cell Biology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, United States
| | - Krista Perreira
- Department of Social Medicine, School of Medicine, University of North Carolina at Chapel Hill, North Carolina, United States
| | - Rebecca C Fry
- Department of Environmental Sciences and Engineering, Curriculum in Toxicology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, North Carolina, United States
| | - Christopher Murgatroyd
- School of Healthcare Science, Manchester Metropolitan University, Manchester, United Kingdom
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Marín-Morales D, Toro-Molina S, Peñacoba-Puente C, Losa-Iglesias M, Carmona-Monge FJ. Relationship Between Postpartum Depression and Psychological and Biological Variables in the Initial Postpartum Period. Matern Child Health J 2018; 22:866-873. [DOI: 10.1007/s10995-018-2461-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Parallels between Postpartum Disorders in Humans and Preweaning Piglet Mortality in Sows. Animals (Basel) 2018; 8:ani8020022. [PMID: 29485618 PMCID: PMC5836030 DOI: 10.3390/ani8020022] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Revised: 01/22/2018] [Accepted: 02/03/2018] [Indexed: 01/10/2023] Open
Abstract
Simple Summary Humans and sows are both highly social species that exhibit a wide variety of maternal behaviors and responsivity to pregnancy and parturition. Piglet crushing is a production and welfare concern for the swine industry. Similar to rates of postpartum depression in humans, the performance of piglet crushing is more likely in first-time mothers. Furthermore, hormonal profiles and social factors that influence the development of this disease in humans mirror those observed in sows surrounding parturition. This article reviews the biological, social, and management factors that may be contributing to this problem of piglet crushing through the lens of how postpartum depression develops in humans. Utilizing knowledge from human psychology and animal welfare science may provide producers with management tools to mitigate piglet crushing and provide new insight into the factors that contribute to human postpartum disorders. Abstract Pregnancy and parturition in all mammals is accompanied with physical, psychological, social, and hormonal shifts that impact the mother physically and psychologically. Pre-weaning piglet mortality continues to be a major welfare and economic issue in U.S. swine production, running at 12–15% with crushing by the sow the major cause. Much research has focused on farrowing environment design, yet the fact that little progress has been made emphasizes that psychosocial factors may impact rates of postpartum disorders (PPD). There is a mismatch between evolved adaptations and contemporary psychosocial and management practices. Many factors associated with the development of PPD in humans are mirrored in sows that perform piglet crushing. These factors include poor mental welfare (anxiety, difficulty coping with stress), a lack of experience, a lack of social support, and individual differences in their sensitivity to hormone concentrations. Understanding what strategies are effective in preventing PPD in humans may have welfare and production benefits for sows—and sows may be a possible model for better understanding PPD in humans.
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Wang Y, Tang L, Yin W, Chen J, Leng T, Zheng X, Zhu W, Zhang H, Qiu P, Yang X, Yan G, Hu H. Simultaneous Determination of Seven Neuroactive Steroids Associated with Depression in Rat Plasma and Brain by High Performance Liquid Chromatography-Tandem Mass Spectrometry. ANAL SCI 2018; 32:981-8. [PMID: 27682404 DOI: 10.2116/analsci.32.981] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Sensitive and specific biomarkers are required for the diagnosis and treatment of depression because the existing diagnostic criteria are subjective and could produce false positives or negatives. Some endogenous neuroactive steroids that have shown either antidepressant effects or concentration changes in individuals with depression could provide potential biomarkers. In this study, a simple and specific method was developed to simultaneously determine seven endogenous neuroactive steroids in biological samples: cortisone, cortisol, dehydroepiandrosterone, estradiol, progesterone, pregnenolone, and testosterone. After liquid-liquid extraction, chromatographic separation was achieved on a C18 column with gradient elution using water-methanol at a flow rate of 300 μL min(-1). Detection and quantitation were performed by tandem mass spectrometry with atmospheric pressure chemical ionization and selected reaction monitoring. Plasma and brain neuroactive steroid levels were then determined in control rats and rats exposed to forced swimming, a classical rodent model of depression. The results showed that the plasma concentrations of testosterone, pregnenolone, and progesterone significantly increased in rats exposed to the forced swimming test. In contrast, brain homogenate levels of cortisol, estradiol, and progesterone decreased, while pregnenolone levels were elevated in this model of depression. In conclusion, a new method to quantify neuroactive steroids was successfully developed and applied to their investigation in rat plasma and brain. The findings of this study indicated that plasma testosterone, pregnenolone, and progesterone levels could provide potential biomarkers for the diagnosis and treatment of depression.
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Affiliation(s)
- Youqiong Wang
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-Sen University
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Li M, Chou SY. Modeling postpartum depression in rats: theoretic and methodological issues. DONG WU XUE YAN JIU = ZOOLOGICAL RESEARCH 2017; 37:229-36. [PMID: 27469254 DOI: 10.13918/j.issn.2095-8137.2016.4.229] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The postpartum period is when a host of changes occur at molecular, cellular, physiological and behavioral levels to prepare female humans for the challenge of maternity. Alteration or prevention of these normal adaptions is thought to contribute to disruptions of emotion regulation, motivation and cognitive abilities that underlie postpartum mental disorders, such as postpartum depression. Despite the high incidence of this disorder, and the detrimental consequences for both mother and child, its etiology and related neurobiological mechanisms remain poorly understood, partially due to the lack of appropriate animal models. In recent decades, there have been a number of attempts to model postpartum depression disorder in rats. In the present review, we first describe clinical symptoms of postpartum depression and discuss known risk factors, including both genetic and environmental factors. Thereafter, we discuss various rat models that have been developed to capture various aspects of this disorder and knowledge gained from such attempts. In doing so, we focus on the theories behind each attempt and the methods used to achieve their goals. Finally, we point out several understudied areas in this field and make suggestions for future directions.
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Affiliation(s)
- Ming Li
- Department of Psychology, University of Nebraska-Lincoln, Lincoln, Nebraska, 68588-0308 USA.
| | - Shinn-Yi Chou
- Department of Psychology, University of Nebraska-Lincoln, Lincoln, Nebraska, 68588-0308 USA
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Jeong HJ, Yang SY, Kim HY, Kim NR, Jang JB, Kim HM. Chelidonic acid evokes antidepressant-like effect through the up-regulation of BDNF in forced swimming test. Exp Biol Med (Maywood) 2016; 241:1559-67. [PMID: 27037280 PMCID: PMC4994898 DOI: 10.1177/1535370216642044] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Accepted: 03/09/2016] [Indexed: 12/27/2022] Open
Abstract
Depression is usually accompanied by neuro-inflammatory reactions. Chelidonic acid, in particular, has shown anti-inflammatory effects. The objective of this study was to evaluate the anti-depressant effects of chelidonic acid and to discuss the potential mechanisms of a forced swimming test. Chelidonic acid was administered orally once a day for 14 days. On the 14th day, chelidonic acid resulted in a significant decrease in immobility time during the forced swimming test without alteration of locomotor activity, in an open field test. Chelidonic acid also increased the number of nissl bodies in the hippocampus. Brain-derived neurotrophic factor expression and extracellular signal-regulated protein kinase phosphorylation in the hippocampus were up-regulated by the administration of chelidonic acid. Chelidonic acid administration significantly increased the mRNA expression of hippocampal estrogen receptor-β. The levels of hippocampal interleukin (IL)-1β, IL-6, and tumor necrosis factor-α were effectively attenuated by the administration of chelidonic acid. In addition, chelidonic acid significantly increased the levels of 5-hydroxytryptamine (serotonin), dopamine, and norepinephrine compared with those levels for the mice that were administered distilled water in the hippocampus. These results suggest that chelidonic acid might serve as a new therapeutic strategy for the regulation of depression associated with inflammation.
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Affiliation(s)
- Hyun-Ja Jeong
- Department of Food Technology and NanoBio Tronics, Hoseo University, Asan 336-795, Republic of Korea
| | - Shi-Young Yang
- Professional Graduate School of Flexible and Printable Electronics, Center for R&D Strategy, Chonbuk National University, Jeonju 561-756, Republic of Korea
| | - Hee-Yun Kim
- Department of Pharmacology, College of Korean Medicine, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Na-Rae Kim
- Department of Pharmacology, College of Korean Medicine, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Jae-Bum Jang
- Regional Innovation Center and Inflammatory Disease Research Center, Hoseo University, Asan 336-795, Republic of Korea *The first two authors contributed equally to this work
| | - Hyung-Min Kim
- Department of Pharmacology, College of Korean Medicine, Kyung Hee University, Seoul 130-701, Republic of Korea
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Histories of abuse predict stronger within-person covariation of ovarian steroids and mood symptoms in women with menstrually related mood disorder. Psychoneuroendocrinology 2016; 67:142-52. [PMID: 26896670 PMCID: PMC4811338 DOI: 10.1016/j.psyneuen.2016.01.026] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Revised: 01/08/2016] [Accepted: 01/28/2016] [Indexed: 11/21/2022]
Abstract
OBJECTIVE Individual differences in sensitivity to cyclical changes in ovarian steroids estradiol (E2) and progesterone (P4) have been implicated in the pathophysiology of menstrually related mood disorder (MRMD). However, no prospective studies have investigated psychosocial risk factors for sensitivity to hormone effects on mood in MRMD. Using a repeated measures approach and multilevel models, we tested the hypothesis that a history of abuse provides a context in which within-person elevations of E2 and P4 prospectively predict daily symptoms. METHOD 66 women with prospectively-confirmed MRMD recruited for a trial of oral contraceptives provided 1 month of baseline hormone and mood data prior to randomization. Lifetime physical and sexual abuse experiences were assessed. Across one cycle, women completed daily measures of symptoms and provided blood samples on 5 days across the menstrual cycle. Current E2 and P4 were centered within person (CWP) such that higher values represented cyclical elevations in hormones. RESULTS Rates of physical (27%) and sexual (29%) abuse were high, consistent with previous work documenting a link between trauma and MRMD. In women with a history of physical abuse, cyclical increases in P4 predicted greater mood and interpersonal symptoms on the three days following that sample. In women with a history of sexual abuse, cyclical increases in E2 predicted greater anxiety symptoms on the three days following that sample. CONCLUSIONS Results inform further inquiry into the role of severe life stressors and stress response systems in MRMD. We discuss areas for future research on the psychosocial and physiological pathways through which abuse may influence the link between hormones and symptoms.
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Kim NR, Kim HY, Kim MH, Kim HM, Jeong HJ. Improvement of depressive behavior by Sweetme Sweet Pumpkin™ and its active compound, β-carotene. Life Sci 2016; 147:39-45. [PMID: 26820672 DOI: 10.1016/j.lfs.2016.01.036] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 01/21/2016] [Accepted: 01/22/2016] [Indexed: 12/24/2022]
Abstract
AIMS Sweetme Sweet Pumpkin™ (SSP, baked Cucurbita moschata Duch.) has been used to treat patients with depression in Korea. However, the role of SSP in improving depression has not been elucidated yet. Thus, we assessed the antidepressant-like effect of SSP and its active compound, β-carotene, with the forced swimming test (FST). MAIN METHODS SSP and β-carotene were orally administered once a day for 28days. The levels of brain-derived neurotrophic factor (BDNF), phosphorylated extracellular signal-regulated kinase (pERK), and estrogen receptor-beta (ER-β) were analyzed by Western blotting and quantitative real-time-polymerase chain reaction. KEY FINDINGS After 28days, treatment with SSP and β-carotene significantly decreased the immobility time during the FST. SSP significantly increased the levels of serotonin and norepinephrine in the brain. The levels of BDNF, pERK, and ER-β were significantly increased in the SSP- and β-carotene-administered groups compared with the control group. In addition, the groups treated with SSP and β-carotene showed significantly reduced levels of tumor necrosis factor-alpha and interleukin-6 compared with the control group. SIGNIFICANCE In conclusion, these findings suggest the potential of SSP and β-carotene as a novel therapeutic agent for the treatment of depression.
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Affiliation(s)
- Na-Rae Kim
- Department of Pharmacology, College of Korean Medicine, Kyung Hee University, 26, Kyungheedae-ro, Dongdaemun-gu, Seoul 130-701, Republic of Korea
| | - Hee-Yun Kim
- Department of Pharmacology, College of Korean Medicine, Kyung Hee University, 26, Kyungheedae-ro, Dongdaemun-gu, Seoul 130-701, Republic of Korea
| | - Min-Ho Kim
- Department of Computer Aided Mechanical Engineering, Sohae College, Gunsan, Jeonbuk, 573-717, Republic of Korea.
| | - Hyung-Min Kim
- Department of Pharmacology, College of Korean Medicine, Kyung Hee University, 26, Kyungheedae-ro, Dongdaemun-gu, Seoul 130-701, Republic of Korea.
| | - Hyun-Ja Jeong
- Department of Food Technology and Inflammatory Disease Research Center, Hoseo University, Asan 336-795, Republic of Korea.
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McHenry JA, Rubinow DR, Stuber GD. Maternally responsive neurons in the bed nucleus of the stria terminalis and medial preoptic area: Putative circuits for regulating anxiety and reward. Front Neuroendocrinol 2015; 38:65-72. [PMID: 25910426 PMCID: PMC4853820 DOI: 10.1016/j.yfrne.2015.04.001] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2014] [Revised: 03/09/2015] [Accepted: 04/13/2015] [Indexed: 12/21/2022]
Abstract
Postpartum neuropsychiatric disorders are a major source of morbidity and mortality and affect at least 10% of childbearing women. Affective dysregulation within this context has been identified in association with changes in reproductive steroids. Steroids promote maternal actions and modulate affect, but can also destabilize mood in some but not all women. Potential brain regions that mediate these effects include the medial preoptic area (mPOA) and ventral bed nucleus of the stria terminalis (vBNST). Herein, we review the regulation of neural activity in the mPOA/vBNST by environmental and hormonal concomitants in puerperal females. Such activity may influence maternal anxiety and motivation and have significant implications for postpartum affective disorders. Future directions for research are also explored, including physiological circuit-level approaches to gain insight into the functional connectivity of hormone-responsive maternal circuits that modulate affect.
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Affiliation(s)
- Jenna A McHenry
- Department of Psychiatry, University of North Carolina at Chapel Hill, United States; Postdoctoral Training Program in Reproductive Mood Disorders, Department of Psychiatry, University of North Carolina at Chapel Hill, United States
| | - David R Rubinow
- Department of Psychiatry, University of North Carolina at Chapel Hill, United States
| | - Garret D Stuber
- Department of Psychiatry, University of North Carolina at Chapel Hill, United States; Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, United States; Neuroscience Center, University of North Carolina at Chapel Hill, United States.
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Lonstein JS, Lévy F, Fleming AS. Common and divergent psychobiological mechanisms underlying maternal behaviors in non-human and human mammals. Horm Behav 2015; 73:156-85. [PMID: 26122301 PMCID: PMC4546863 DOI: 10.1016/j.yhbeh.2015.06.011] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2015] [Revised: 06/11/2015] [Accepted: 06/12/2015] [Indexed: 10/23/2022]
Abstract
Maternal interactions with young occupy most of the reproductive period for female mammals and are absolutely essential for offspring survival and development. The hormonal, sensory, reward-related, emotional, cognitive and neurobiological regulators of maternal caregiving behaviors have been well studied in numerous subprimate mammalian species, and some of the importance of this body of work is thought to be its relevance for understanding similar controls in humans. We here review many of the important biopsychological influences on maternal behaviors in the two best studied non-human animals, laboratory rats and sheep, and directly examine how the conceptual framework established by some of the major discoveries in these animal "models" do or do not hold for our understanding of human mothering. We also explore some of the limits for extrapolating from non-human animals to humans. We conclude that there are many similarities between non-human and human mothers in the biological and psychological factors influencing their early maternal behavior and that many of the differences are due to species-characteristic features related to the role of hormones, the relative importance of each sensory system, flexibility in what behaviors are exhibited, the presence or absence of language, and the complexity of cortical function influencing caregiving behaviors.
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Affiliation(s)
- Joseph S Lonstein
- Neuroscience Program, 108 Giltner Hall, Michigan State University, East Lansing, MI 48824, USA; Department of Psychology, 108 Giltner Hall, Michigan State University, East Lansing, MI 48824, USA.
| | - Frédéric Lévy
- Physiologie de la Reproduction et des Comportements, INRA-CNRS-Université de Tours IFCE, Nouzilly 37380, France.
| | - Alison S Fleming
- Fraser Mustard Institute for Human Development, University of Toronto, Toronto, Ontario, Canada; Department of Psychology, University of Toronto at Mississauga, 3359 Mississauga Road, Mississauga, ON L5L 1C6, Canada.
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Kim HB, Kwon BJ, Cho HJ, Kim JW, Chon JW, Do MH, Park SY, Kim SY, Maeng SH, Park YK, Park JH. Long-term Treatment with Oriental Medicinal Herb Artemisia princeps Alters Neuroplasticity in a Rat Model of Ovarian Hormone Deficiency. Exp Neurobiol 2015; 24:71-83. [PMID: 25792871 PMCID: PMC4363335 DOI: 10.5607/en.2015.24.1.71] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Revised: 01/30/2015] [Accepted: 02/02/2015] [Indexed: 01/24/2023] Open
Abstract
Artemisia princeps (AP) is a flowering perennial used as a traditional medicine and dietary supplement across East Asia. No study has yet assessed its effects on synaptic plasticity in hippocampus and much less in a model of ovarian hormone deficiency. We examined the influence of chronic oral AP ethanol extract treatment in ovariectomized rats on the induction of long-term depression in a representative synapse (CA3-CA1) of the hippocampus. Ovariectomized rats demonstrated lower trabecular mean bone mineral densities than sham, validating the establishment of pathology. Against this background of pathology, AP-treated ovariectomized rats exhibited attenuated long-term depression (LTD) in CA1 relative to water-treated controls as measured by increased field excitatory post-synaptic potentials (fEPSP) activation averages over the post-stimulation period. While pathological significance of long-term depression (LTD) in ovariectomized rats is conflicting, that AP treatment significantly affected its induction offers justification for further study of its influences on plasticity and its related disorders.
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Affiliation(s)
- Hyun-Bum Kim
- Department of East-West Medical Science, Graduate School of East-West Medical Science, Kyung Hee University, Yongin 446-701, Korea
| | - Byeong-Jae Kwon
- Department of East-West Medical Science, Graduate School of East-West Medical Science, Kyung Hee University, Yongin 446-701, Korea
| | - Hyun-Ji Cho
- Department of Medical Nutrition, Graduate School of East-West Medical Science, Kyung Hee University, Yongin 446-701, Korea
| | - Ji-Won Kim
- Department of Medical Nutrition, Graduate School of East-West Medical Science, Kyung Hee University, Yongin 446-701, Korea
| | - Jeong-Woo Chon
- Department of Medical Nutrition, Graduate School of East-West Medical Science, Kyung Hee University, Yongin 446-701, Korea
| | - Moon-Ho Do
- College of Pharmacy, Gachon University, Incheon 406-799, Korea
| | - Sang-Yong Park
- Department of Oriental Medicinal Materials and Processing, College of Life Science, Kyung Hee University, Yongin 446-701, Korea
| | - Sun-Yeou Kim
- College of Pharmacy, Gachon University, Incheon 406-799, Korea
| | - Sung-Ho Maeng
- Department of East-West Medicine, Graduate School of East-West Medical Science, Kyung Hee University, Yongin 446-701, Korea
| | - Yoo-Kyoung Park
- Department of Medical Nutrition, Graduate School of East-West Medical Science, Kyung Hee University, Yongin 446-701, Korea. ; Research Institute of Medical Nutrition, Kyung Hee University, Yongin 446-701, Korea
| | - Ji-Ho Park
- Department of East-West Medicine, Graduate School of East-West Medical Science, Kyung Hee University, Yongin 446-701, Korea. ; Research Institute of Medical Nutrition, Kyung Hee University, Yongin 446-701, Korea
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Abstract
Despite decades of research aimed at identifying the causes of postpartum depression (PPD), PPD remains common, and the causes are poorly understood. Many have attributed the onset of PPD to the rapid perinatal change in reproductive hormones. Although a number of human and nonhuman animal studies support the role of reproductive hormones in PPD, several studies have failed to detect an association between hormone concentrations and PPD. The purpose of this review is to examine the hypothesis that fluctuations in reproductive hormone levels during pregnancy and the postpartum period trigger PPD in susceptible women. We discuss and integrate the literature on animal models of PPD and human studies of reproductive hormones and PPD. We also discuss alternative biological models of PPD to demonstrate the potential for multiple PPD phenotypes and to describe the complex interplay of changing reproductive hormones and alterations in thyroid function, immune function, hypothalamic-pituitary-adrenal (HPA) axis function, lactogenic hormones, and genetic expression that may contribute to affective dysfunction. There are 3 primary lines of inquiry that have addressed the role of reproductive hormones in PPD: nonhuman animal studies, correlational studies of postpartum hormone levels and mood symptoms, and hormone manipulation studies. Reproductive hormones influence virtually every biological system implicated in PPD, and a subgroup of women seem to be particularly sensitive to the effects of perinatal changes in hormone levels. We propose that these women constitute a "hormone-sensitive" PPD phenotype, which should be studied independent of other PPD phenotypes to identify underlying pathophysiology and develop novel treatment targets.
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Haim A, Sherer M, Leuner B. Gestational stress induces persistent depressive-like behavior and structural modifications within the postpartum nucleus accumbens. Eur J Neurosci 2014; 40:3766-73. [PMID: 25359225 DOI: 10.1111/ejn.12752] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Revised: 09/10/2014] [Accepted: 09/11/2014] [Indexed: 12/22/2022]
Abstract
Postpartum depression (PPD) is a common complication following childbirth experienced by one in every five new mothers. Pregnancy stress enhances vulnerability to PPD and has also been shown to increase depressive-like behavior in postpartum rats. Thus, gestational stress may be an important translational risk factor that can be used to investigate the neurobiological mechanisms underlying PPD. Here we examined the effects of gestational stress on depressive-like behavior during the early/mid and late postpartum periods and evaluated whether this was accompanied by altered structural plasticity in the nucleus accumbens (NAc), a brain region that has been linked to PPD. We show that early/mid (postpartum day 8) postpartum female rats exhibited more depressive-like behavior in the forced swim test as compared with late postpartum females (postpartum day 22). However, 2 weeks of restraint stress during pregnancy increased depressive-like behavior regardless of postpartum timepoint. In addition, dendritic length, branching and spine density on medium spiny neurons in the NAc shell were diminished in postpartum rats that experienced gestational stress although stress-induced reductions in spine density were evident only in early/mid postpartum females. In the NAc core, structural plasticity was not affected by gestational stress but late postpartum females exhibited lower spine density and reduced dendritic length. Overall, these data not only demonstrate structural changes in the NAc across the postpartum period, they also show that postpartum depressive-like behavior following exposure to gestational stress is associated with compromised structural plasticity in the NAc and thus may provide insight into the neural changes that could contribute to PPD.
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Affiliation(s)
- Achikam Haim
- Department of Neuroscience, The Ohio State University Wexner Medical Center, Columbus, OH, USA
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Lonstein JS, Maguire J, Meinlschmidt G, Neumann ID. Emotion and mood adaptations in the peripartum female:complementary contributions of GABA and oxytocin. J Neuroendocrinol 2014; 26:649-64. [PMID: 25074620 PMCID: PMC5487494 DOI: 10.1111/jne.12188] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2014] [Revised: 07/22/2014] [Accepted: 07/23/2014] [Indexed: 01/23/2023]
Abstract
Peripartum hormones and sensory cues from young modify the maternal brain in ways that can render females either at risk for, or resilient to, elevated anxiety and depression. The neurochemical systems underlying these aspects of maternal emotional and mood states include the inhibitory neurotransmitter GABA and the neuropeptide oxytocin (OXT). Data from laboratory rodents indicate that increased activity at the GABA(A) receptor contributes to the postpartum suppression of anxiety-related behaviour that is mediated by physical contact with offspring, whereas dysregulation in GABAergic signalling results in deficits in maternal care, as well as anxiety- and depression-like behaviours during the postpartum period. Similarly, activation of the brain OXT system accompanied by increased OXT release within numerous brain sites in response to reproductive stimuli also reduces postpartum anxiety- and depression-like behaviours. Studies of peripartum women are consistent with these findings in rodents. Given the similar consequences of elevated central GABA and OXT activity on maternal anxiety and depression, balanced and partly reciprocal interactions between these two systems may be essential for their effects on maternal emotional and mood states, in addition to other aspects of postpartum behaviour and physiology.
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Affiliation(s)
- J S Lonstein
- Department of Psychology & Neuroscience Program, Michigan State University, East Lansing, MI, USA
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Moses-Kolko EL, Horner MS, Phillips ML, Hipwell AE, Swain JE. In search of neural endophenotypes of postpartum psychopathology and disrupted maternal caregiving. J Neuroendocrinol 2014; 26:665-84. [PMID: 25059408 PMCID: PMC4353923 DOI: 10.1111/jne.12183] [Citation(s) in RCA: 90] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2014] [Revised: 07/18/2014] [Accepted: 07/21/2014] [Indexed: 12/11/2022]
Abstract
This is a selective review that provides the context for the study of perinatal affective disorder mechanisms and outlines directions for future research. We integrate existing literature along neural networks of interest for affective disorders and maternal caregiving: (i) the salience/fear network; (ii) the executive network; (iii) the reward/social attachment network; and (iv) the default mode network. Extant salience/fear network research reveals disparate responses and corticolimbic coupling to various stimuli based upon a predominantly depressive versus anxious (post-traumatic stress disorder) clinical phenotype. Executive network and default mode connectivity abnormalities have been described in postpartum depression (PPD), although studies are very limited in these domains. Reward/social attachment studies confirm a robust ventral striatal response to infant stimuli, including cry and happy infant faces, which is diminished in depressed, insecurely attached and substance-using mothers. The adverse parenting experiences received and the attachment insecurity of current mothers are factors that are associated with a diminution in infant stimulus-related neural activity similar to that in PPD, and raise the need for additional studies that integrate mood and attachment concepts in larger study samples. Several studies examining functional connectivity in resting state and emotional activation functional magnetic resonance imaging paradigms have revealed attenuated corticolimbic connectivity, which remains an important outcome that requires dissection with increasing precision to better define neural treatment targets. Methodological progress is expected in the coming years in terms of refining clinical phenotypes of interest and experimental paradigms, as well as enlarging samples to facilitate the examination of multiple constructs. Functional imaging promises to determine neural mechanisms underlying maternal psychopathology and impaired caregiving, such that earlier and more precise detection of abnormalities will be possible. Ultimately, the discovery of such mechanisms will promote the refinement of treatment approaches toward maternal affective disturbance, parenting behaviours and the augmentation of parenting resiliency.
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Affiliation(s)
- E L Moses-Kolko
- Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
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Perani CV, Slattery DA. Using animal models to study post-partum psychiatric disorders. Br J Pharmacol 2014; 171:4539-55. [PMID: 24527704 DOI: 10.1111/bph.12640] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2013] [Revised: 01/09/2014] [Accepted: 01/31/2014] [Indexed: 12/24/2022] Open
Abstract
The post-partum period represents a time during which all maternal organisms undergo substantial plasticity in a wide variety of systems in order to ensure the well-being of the offspring. Although this time is generally associated with increased calmness and decreased stress responses, for a substantial subset of mothers, this period represents a time of particular risk for the onset of psychiatric disorders. Thus, post-partum anxiety, depression and, to a lesser extent, psychosis may develop, and not only affect the well-being of the mother but also place at risk the long-term health of the infant. Although the risk factors for these disorders, as well as normal peripartum-associated adaptations, are well known, the underlying aetiology of post-partum psychiatric disorders remains poorly understood. However, there have been a number of attempts to model these disorders in basic research, which aim to reveal their underlying mechanisms. In the following review, we first discuss known peripartum adaptations and then describe post-partum mood and anxiety disorders, including their risk factors, prevalence and symptoms. Thereafter, we discuss the animal models that have been designed in order to study them and what they have revealed about their aetiology to date. Overall, these studies show that it is feasible to study such complex disorders in animal models, but that more needs to be done in order to increase our knowledge of these severe and debilitating mood and anxiety disorders.
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Affiliation(s)
- C V Perani
- Department of Behavioural and Molecular Neurobiology, University of Regensburg, Regensburg, Germany
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Kim DR, Epperson CN, Weiss AR, Wisner KL. Pharmacotherapy of postpartum depression: an update. Expert Opin Pharmacother 2014; 15:1223-34. [PMID: 24773410 DOI: 10.1517/14656566.2014.911842] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
INTRODUCTION Postpartum depression (PPD) is a common and serious illness that affects up to 14% of women in the first month after childbirth. We present an update on the pharmacologic treatment of PPD, although there continues to be a lack of large, randomized controlled trials (RCTs). AREAS COVERED A review of the literature on the use of antidepressants, hormonal supplements and omega-3 fatty acids for the prevention and the treatment of PPD published since the original review in 2009 and the authors' opinion on the current status of the pharmacological treatment of PPD are covered. An electronic search was performed by using PubMed, Medline and PsychINFO. Inclusion criteria were: i) empirical articles in peer-reviewed English-language journals; ii) well-validated measures of depression; and iii) a uniform scoring system for depression among the sample. EXPERT OPINION Since the last Expert Opinion review, four antidepressant treatment studies and one prevention study of PPD have been published. Six RCTs evaluating the use of omega-3 fatty acids (four for prevention and two for treatment) have been published. There continues to be lack of data regarding the pharmacotherapy of PPD. However, serotonin reuptake inhibitors should be considered first-line for women with PPD after it has been determined that the proper diagnosis is not bipolar disorder. It is important to individualize treatment for women with PPD and consider the risks and benefits of treatment while breastfeeding.
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Affiliation(s)
- Deborah R Kim
- University of Pennsylvania, Perelman School of Medicine, Penn Center for Women's Behavioral Wellness, Department of Psychiatry , Philadelphia, PA 19104 , USA
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Numakawa T, Richards M, Nakajima S, Adachi N, Furuta M, Odaka H, Kunugi H. The role of brain-derived neurotrophic factor in comorbid depression: possible linkage with steroid hormones, cytokines, and nutrition. Front Psychiatry 2014; 5:136. [PMID: 25309465 PMCID: PMC4175905 DOI: 10.3389/fpsyt.2014.00136] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Accepted: 09/12/2014] [Indexed: 01/09/2023] Open
Abstract
Increasing evidence demonstrates a connection between growth factor function (including brain-derived neurotrophic factor, BDNF), glucocorticoid levels (one of the steroid hormones), and the pathophysiology of depressive disorders. Because both BDNF and glucocorticoids regulate synaptic function in the central nervous system, their functional interaction is of major concern. Interestingly, alterations in levels of estrogen, another steroid hormone, may play a role in depressive-like behavior in postpartum females with fluctuations of BDNF-related molecules in the brain. BDNF and cytokines, which are protein regulators of inflammation, stimulate multiple intracellular signaling cascades involved in neuropsychiatric illness. Pro-inflammatory cytokines may increase vulnerability to depressive symptoms, such as the increased risk observed in patients with cancer and/or autoimmune diseases. In this review, we discuss the possible relationship between inflammation and depression, in addition to the cross-talk among cytokines, BDNF, and steroids. Further, since nutritional status has been shown to affect critical pathways involved in depression through both BDNF function and the monoamine system, we also review current evidence surrounding diet and supplementation (e.g., flavonoids) on BDNF-mediated brain functions.
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Affiliation(s)
- Tadahiro Numakawa
- Department of Mental Disorder Research, National Center of Neurology and Psychiatry, National Institute of Neuroscience , Tokyo , Japan
| | - Misty Richards
- Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles , Los Angeles, CA , USA
| | - Shingo Nakajima
- Department of Mental Disorder Research, National Center of Neurology and Psychiatry, National Institute of Neuroscience , Tokyo , Japan
| | - Naoki Adachi
- Department of Mental Disorder Research, National Center of Neurology and Psychiatry, National Institute of Neuroscience , Tokyo , Japan
| | - Miyako Furuta
- Department of Physiology, St. Marianna University School of Medicine , Kanagawa , Japan
| | - Haruki Odaka
- Department of Mental Disorder Research, National Center of Neurology and Psychiatry, National Institute of Neuroscience , Tokyo , Japan
| | - Hiroshi Kunugi
- Department of Mental Disorder Research, National Center of Neurology and Psychiatry, National Institute of Neuroscience , Tokyo , Japan
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