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Haddad FL, Patel SV, Doornaert EE, De Oliveira C, Allman BL, Baines KJ, Renaud SJ, Schmid S. Interleukin 15 modulates the effects of poly I:C maternal immune activation on offspring behaviour. Brain Behav Immun Health 2022; 23:100473. [PMID: 35668725 PMCID: PMC9166394 DOI: 10.1016/j.bbih.2022.100473] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 05/14/2022] [Indexed: 01/21/2023] Open
Abstract
Maternal infections during pregnancy are linked with an increased risk for disorders like Autism Spectrum Disorder and schizophrenia in the offspring. Although precise mechanisms are still unclear, clinical and preclinical evidence suggest a strong role for maternal immune activation (MIA) in the neurodevelopmental disruptions caused by maternal infection. Previously, studies using the Polyinosinic:Polycytidylic (Poly I:C) MIA preclinical model showed that cytokines like Interleukin 6 (Il6) are important mediators of MIA's effects. In this study, we hypothesized that Il15 may similarly act as a mediator of Poly I:C MIA, given its role in the antiviral immune response. To test this hypothesis, we induced Poly I:C MIA at gestational day 9.5 in wildtype (WT) and Il15−/− rat dams and tested their offspring in adolescence and adulthood. Poly I:C MIA and Il15 knockout produced both independent and synergistic effects on offspring behaviour. Poly I:C MIA decreased startle reactivity in adult WT offspring but resulted in increased adolescent anxiety and decreased adult locomotor activity in Il15−/− offspring. In addition, Poly I:C MIA led to genotype-independent effects on locomotor activity and prepulse inhibition. Finally, we showed that Il15−/− offspring exhibit distinct phenotypes that were unrelated to Poly I:C MIA including altered startle reactivity, locomotion and signal transduction in the auditory brainstem. Overall, our findings indicate that the lack of Il15 can leave offspring either more or less susceptible to Poly I:C MIA, depending on the phenotype in question. Future studies should examine the contribution of fetal versus maternal Il15 in MIA to determine the precise developmental mechanisms underlying these changes. Poly I:C MIA decreases startle reactivity in adult WT but not Il15−/− offspring. Il15−/− offspring exposed to Poly I:C MIA show altered PPI and open field exploration. Il15−/− rats exhibit distinct behavioural phenotypes independent from MIA.
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Differential Methylation Profile in Fragile X Syndrome-Prone Offspring Mice after in Utero Exposure to Lactobacillus Reuteri. Genes (Basel) 2022; 13:genes13081300. [PMID: 35893036 PMCID: PMC9331364 DOI: 10.3390/genes13081300] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 07/14/2022] [Accepted: 07/19/2022] [Indexed: 01/13/2023] Open
Abstract
Environmental factors such as diet, gut microbiota, and infections have proven to have a significant role in epigenetic modifications. It is known that epigenetic modifications may cause behavioral and neuronal changes observed in neurodevelopmental disabilities, including fragile X syndrome (FXS) and autism (ASD). Probiotics are live microorganisms that provide health benefits when consumed, and in some cases are shown to decrease the chance of developing neurological disorders. Here, we examined the epigenetic outcomes in offspring mice after feeding of a probiotic organism, Lactobacillus reuteri (L. reuteri), to pregnant mother animals. In this study, we tested a cohort of Western diet-fed descendant mice exhibiting a high frequency of behavioral features and lower FMRP protein expression similar to what is observed in FXS in humans (described in a companion manuscript in this same GENES special topic issue). By investigating 17,735 CpG sites spanning the whole mouse genome, we characterized the epigenetic profile in two cohorts of mice descended from mothers treated and non-treated with L. reuteri to determine the effect of prenatal probiotic exposure on the prevention of FXS-like symptoms. We found several genes involved in different neurological pathways being differentially methylated (p ≤ 0.05) between the cohorts. Among the key functions, synaptogenesis, neurogenesis, synaptic modulation, synaptic transmission, reelin signaling pathway, promotion of specification and maturation of neurons, and long-term potentiation were observed. The results of this study are relevant as they could lead to a better understanding of the pathways involved in these disorders, to novel therapeutics approaches, and to the identification of potential biomarkers for early detection of these conditions.
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Ardalan M, Chumak T, Quist A, Jabbari Shiadeh SM, Mallard AJ, Rafati AH, Mallard C. Sex dependent glio-vascular interface abnormality in the hippocampus following postnatal immune activation in mice. Dev Neurosci 2022; 44:320-330. [PMID: 35705008 PMCID: PMC9533445 DOI: 10.1159/000525478] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 06/06/2022] [Indexed: 11/19/2022] Open
Abstract
The neuro-gliovascular unit is a crucial structure for providing a balanced well-functioning environment for neurons and their synapses. Activation of the immune system during the developmental period is believed to affect the gliovascular unit, which may trigger neurodevelopmental and neurological/neuropsychiatric diseases. In this study, we hypothesized that vulnerability of the male brain to a neonatal insult was conditioned by sex-dependent differences in the impairment of the hippocampal gliovascular unit. Male and female C57BL/6J pups received lipopolysaccharide (LPS) (1 mg/kg) or saline on postnatal day (P) 5. Brains were collected at P12 and morphological quantifications of hippocampal fibrillary glial acid protein (GFAP<sup>+</sup>) astrocytes and ionized calcium-binding adaptor molecule 1 protein (Iba1+) microglia were performed by using 3-D image analysis together with measuring the length of CD31<sup>+</sup> and aquaporin-4 (AQP4<sup>+</sup>) vessels. We found a significant increase in the length of CD31<sup>+</sup> capillaries in the male LPS group compared to the saline group; however, coverage of capillaries by astrocytic end-feet (AQP4<sup>+</sup>) was significantly reduced. In contrast, there was a significant increase in AQP4<sup>+</sup> capillary length in female pups 1 week after LPS injection. GFAP<sup>+</sup> astrocytes via morphological changes in the hippocampus showed significant enhancement in the activity 1 week following LPS injection in male mice. We propose that neonatal inflammation could induce susceptibility to neurodevelopmental disorders through modification of hippocampal gliovascular interface in a sex-dependent manner.
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Affiliation(s)
- Maryam Ardalan
- Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Translational Neuropsychiatry Unit, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- *Maryam Ardalan,
| | - Tetyana Chumak
- Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Alexandra Quist
- Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Seyedeh Marziyeh Jabbari Shiadeh
- Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Translational Neuropsychiatry Unit, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Anna-Jean Mallard
- Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Ali Hoseinpoor Rafati
- Translational Neuropsychiatry Unit, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Carina Mallard
- Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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Basso A, Youssef L, Nakaki A, Paules C, Miranda J, Casu G, Salazar L, Gratacos E, Eixarch E, Crispi F, Crovetto F. Fetal neurosonography at 31-35 weeks reveals altered cortical development in pre-eclampsia with and without small-for-gestational-age fetus. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2022; 59:737-746. [PMID: 35015926 DOI: 10.1002/uog.24853] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 12/20/2021] [Accepted: 12/22/2021] [Indexed: 06/14/2023]
Abstract
OBJECTIVE To explore the pattern of fetal cortical development in pregnancies complicated by pre-eclampsia (PE), with and without a small-for-gestational-age (SGA) fetus, compared to uncomplicated pregnancies. METHODS This was a prospective observational study including singleton pregnancies complicated by normotensive SGA (birth weight < 10th centile) (n = 77), PE with an appropriate-for-gestational-age (AGA) fetus (n = 76) or PE with a SGA fetus (n = 67), and 128 uncomplicated pregnancies (normotensive AGA) matched by gestational age at ultrasound. All pregnancies underwent detailed neurosonography, using a transabdominal and transvaginal approach, at 31-35 weeks' gestation to assess the depth of the insula, Sylvian fissure, parieto-occipital sulcus, cingulate sulcus and calcarine sulcus. All measurements were adjusted for biparietal diameter (BPD). In addition, a grading score of cortical development was assigned to each brain structure, ranging from Grade 0 (no development) to Grade 5 (maximum development). Univariate and multiple regression analyses were conducted. RESULTS Similar to findings in previous studies, normotensive pregnancies with a SGA fetus showed significant differences in cortical development compared with controls, with reduced Sylvian fissure depth adjusted for BPD (14.5 ± 2.4 vs 16.6 ± 2.3; P < 0.001) and increased insula depth adjusted for BPD (33.2 ± 2.0 vs 31.8 ± 2.0; P < 0.001). Interestingly, a similar cortical development pattern was observed in PE pregnancies with a SGA fetus and in PE pregnancies with an AGA fetus, manifested by reduced Sylvian fissure depth adjusted for BPD (14.2 ± 2.3 and 14.3 ± 2.3 vs 16.6 ± 2.3; P < 0.001 for both) and greater insula depth adjusted for BPD (33.2 ± 2.1 and 32.8 ± 1.7 vs 31.8 ± 2.0; P < 0.001 for both) compared with controls. No significant differences were observed in parieto-occipital, cingulate sulcus or calcarine sulcus depth across the study groups. The Sylvian fissure was scored as Grade 4 in significantly more (93.2% vs 59.5%) and as Grade 5 in significantly fewer (2.7% vs 37.3%) PE pregnancies with an AGA fetus compared with controls (P < 0.05 for both). These differences remained significant even after statistical adjustment for potential confounders, including ethnicity, low socioeconomic status, nulliparity, chronic hypertension, pregestational diabetes, assisted reproductive technologies, smoking and fetal gender, with the application of Benjamini-Hochberg procedure for multiple comparisons. CONCLUSIONS PE with or without SGA is associated with a differential fetal cortical development pattern which is similar to that described previously in small fetuses. Future research is warranted to elucidate better the mechanism(s) underlying these changes. © 2022 International Society of Ultrasound in Obstetrics and Gynecology.
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Affiliation(s)
- A Basso
- BCNatal-Fetal Medicine Research Center, Hospital Clínic and Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - L Youssef
- BCNatal-Fetal Medicine Research Center, Hospital Clínic and Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
| | - A Nakaki
- BCNatal-Fetal Medicine Research Center, Hospital Clínic and Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - C Paules
- BCNatal-Fetal Medicine Research Center, Hospital Clínic and Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - J Miranda
- BCNatal-Fetal Medicine Research Center, Hospital Clínic and Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - G Casu
- BCNatal-Fetal Medicine Research Center, Hospital Clínic and Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - L Salazar
- BCNatal-Fetal Medicine Research Center, Hospital Clínic and Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - E Gratacos
- BCNatal-Fetal Medicine Research Center, Hospital Clínic and Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
- Centre for Biomedical Research on Rare Diseases (CIBER-ER), Madrid, Spain
| | - E Eixarch
- BCNatal-Fetal Medicine Research Center, Hospital Clínic and Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
- Centre for Biomedical Research on Rare Diseases (CIBER-ER), Madrid, Spain
| | - F Crispi
- BCNatal-Fetal Medicine Research Center, Hospital Clínic and Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
- Centre for Biomedical Research on Rare Diseases (CIBER-ER), Madrid, Spain
| | - F Crovetto
- BCNatal-Fetal Medicine Research Center, Hospital Clínic and Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
- Centre for Biomedical Research on Rare Diseases (CIBER-ER), Madrid, Spain
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Zhou J, Zhou J, Sun Z, Feng L, Feng Y, Xiao L, Chen X, Yang J. The association of C-reactive protein with responses to escitalopram antidepressant treatment in patients with major depressive disorder. J Affect Disord 2022; 306:32-38. [PMID: 35271871 DOI: 10.1016/j.jad.2022.02.069] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 02/13/2022] [Accepted: 02/27/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND The effects of escitalopram vary markedly among MDD patients, and approximately one-third of patients fail to respond. A poor antidepressant response might be associated with excessively high C-reactive protein (CRP) levels, but the impact is not clear. We hypothesized that in adults with major depressive disorder, the peripheral biomarker, CRP, was associated with the response to escitalopram (SSRI). METHODS This was a prospective follow-up study. All 71 patients were treated with escitalopram for 12 weeks. Blood samples were collected at baseline and week 12. Remission was defined as a score of 7 or less on the HAMD-17 scale at week 12. Spearman correlations and multiple linear regressions were used to explore the relationship between continuous CRP levels and the HAMD-17 scores. Logistic regression was used to determine the predictors for remission. The restricted maximum likelihood (REML)-based mixed-effect model for repeated measures (MMRM) was used to examine the change of the HAMD-17 total scores between high and low CRP groups. RESULTS Compared with the high CRP group (≥0.8 mg/l), the low baseline CRP group had a higher remission rate (22.73% vs. 48.89%, χ2 = 4.2, p = 0.0403). Logistic regression revealed that patients with lower CRPs were 3.920 times (95% CI: 1.142, 13.460) more likely to experience remission (p = 0.0300). The multiple linear regression model showed that the HAMD-17 total score reduction (baseline to week 12) was negatively correlated with the baseline CRP level (t = -2.00, p = 0.0494). CONCLUSIONS We observed a predictive role of CRP for remission and symptomatic improvement after escitalopram treatment of MDD patients based on continuous or categorical CRP levels.
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Affiliation(s)
- Jingjing Zhou
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China; Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China
| | - Jia Zhou
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China; Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China
| | - Zuoli Sun
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China; Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China
| | - Lei Feng
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China; Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China
| | - Yuan Feng
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China; Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China
| | - Le Xiao
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China; Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China
| | - Xu Chen
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China; Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China
| | - Jian Yang
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China; Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China.
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Olude MA, Mouihate A, Mustapha OA, Farina C, Quintana FJ, Olopade JO. Astrocytes and Microglia in Stress-Induced Neuroinflammation: The African Perspective. Front Immunol 2022; 13:795089. [PMID: 35707531 PMCID: PMC9190229 DOI: 10.3389/fimmu.2022.795089] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 04/13/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Africa is laden with a youthful population, vast mineral resources and rich fauna. However, decades of unfortunate historical, sociocultural and leadership challenges make the continent a hotspot for poverty, indoor and outdoor pollutants with attendant stress factors such as violence, malnutrition, infectious outbreaks and psychological perturbations. The burden of these stressors initiate neuroinflammatory responses but the pattern and mechanisms of glial activation in these scenarios are yet to be properly elucidated. Africa is therefore most vulnerable to neurological stressors when placed against a backdrop of demographics that favor explosive childbearing, a vast population of unemployed youths making up a projected 42% of global youth population by 2030, repressive sociocultural policies towards women, poor access to healthcare, malnutrition, rapid urbanization, climate change and pollution. Early life stress, whether physical or psychological, induces neuroinflammatory response in developing nervous system and consequently leads to the emergence of mental health problems during adulthood. Brain inflammatory response is driven largely by inflammatory mediators released by glial cells; namely astrocytes and microglia. These inflammatory mediators alter the developmental trajectory of fetal and neonatal brain and results in long-lasting maladaptive behaviors and cognitive deficits. This review seeks to highlight the patterns and mechanisms of stressors such as poverty, developmental stress, environmental pollutions as well as malnutrition stress on astrocytes and microglia in neuroinflammation within the African context.
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Affiliation(s)
- Matthew Ayokunle Olude
- Vertebrate Morphology, Environmental Toxicology and Neuroscience Unit, College of Veterinary Medicine, Federal University of Agriculture, Abeokuta, Nigeria
- *Correspondence: Matthew Ayokunle Olude,
| | - Abdeslam Mouihate
- Department of Physiology, Faculty of Medicine, Health Sciences Centre, Kuwait University, Kuwait City, Kuwait
| | - Oluwaseun Ahmed Mustapha
- Vertebrate Morphology, Environmental Toxicology and Neuroscience Unit, College of Veterinary Medicine, Federal University of Agriculture, Abeokuta, Nigeria
| | - Cinthia Farina
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCSS) San Raffaele Scientific Institute, Institute of Experimental Neurology (INSPE) and Division of Neuroscience, Milan, Italy
| | - Francisco Javier Quintana
- Ann Romney Center for Neurologic Diseases, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
| | - James Olukayode Olopade
- Neuroscience Unit, Department of Veterinary Anatomy, Faculty of Veterinary Medicine, University of Ibadan, Ibadan, Nigeria
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Yu D, Li T, Delpech JC, Zhu B, Kishore P, Koshi T, Luo R, Pratt KJ, Popova G, Nowakowski TJ, Villeda SA, Piao X. Microglial GPR56 is the molecular target of maternal immune activation-induced parvalbumin-positive interneuron deficits. SCIENCE ADVANCES 2022; 8:eabm2545. [PMID: 35544642 PMCID: PMC9075805 DOI: 10.1126/sciadv.abm2545] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 03/23/2022] [Indexed: 06/15/2023]
Abstract
Parvalbumin-positive (PV+) interneurons play a critical role in maintaining circuit rhythm in the brain, and their reduction is implicated in autism spectrum disorders. Animal studies demonstrate that maternal immune activation (MIA) leads to reduced PV+ interneurons in the somatosensory cortex and autism-like behaviors. However, the underlying molecular mechanisms remain largely unknown. Here, we show that MIA down-regulates microglial Gpr56 expression in fetal brains in an interleukin-17a-dependent manner and that conditional deletion of microglial Gpr56 [Gpr56 conditional knockout (cKO)] mimics MIA-induced PV+ interneuron defects and autism-like behaviors in offspring. We further demonstrate that elevated microglial tumor necrosis factor-α expression is the underlying mechanism by which MIA and Gpr56 cKO impair interneuron generation. Genetically restoring Gpr56 expression in microglia ameliorates PV+ interneuron deficits and autism-like behaviors in MIA offspring. Together, our study demonstrates that microglial GPR56 plays an important role in PV+ interneuron development and serves as a salient target of MIA-induced neurodevelopmental disorders.
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Affiliation(s)
- Diankun Yu
- Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California at San Francisco, San Francisco, CA 94143, USA
- Weill Institute for Neuroscience, University of California at San Francisco, San Francisco, CA 94143, USA
| | - Tao Li
- Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California at San Francisco, San Francisco, CA 94143, USA
- Weill Institute for Neuroscience, University of California at San Francisco, San Francisco, CA 94143, USA
| | - Jean-Christophe Delpech
- Department of Medicine, Boston Children’s Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - Beika Zhu
- Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California at San Francisco, San Francisco, CA 94143, USA
- Weill Institute for Neuroscience, University of California at San Francisco, San Francisco, CA 94143, USA
| | - Priya Kishore
- Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California at San Francisco, San Francisco, CA 94143, USA
| | - Tatsuhiro Koshi
- Department of Medicine, Boston Children’s Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - Rong Luo
- Department of Medicine, Boston Children’s Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - Karishma J.B. Pratt
- Department of Anatomy, University of California at San Francisco, San Francisco CA 94143, USA
- Developmental and Stem Cell Biology Graduate Program, University of California at San Francisco, San Francisco, CA 94143, USA
| | - Galina Popova
- Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California at San Francisco, San Francisco, CA 94143, USA
- Department of Anatomy, University of California at San Francisco, San Francisco CA 94143, USA
- Department of Psychiatry, University of California at San Francisco, San Francisco, CA 94143, USA
| | - Tomasz J. Nowakowski
- Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California at San Francisco, San Francisco, CA 94143, USA
- Weill Institute for Neuroscience, University of California at San Francisco, San Francisco, CA 94143, USA
- Department of Anatomy, University of California at San Francisco, San Francisco CA 94143, USA
- Department of Psychiatry, University of California at San Francisco, San Francisco, CA 94143, USA
| | - Saul A. Villeda
- Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California at San Francisco, San Francisco, CA 94143, USA
- Department of Anatomy, University of California at San Francisco, San Francisco CA 94143, USA
- Developmental and Stem Cell Biology Graduate Program, University of California at San Francisco, San Francisco, CA 94143, USA
- Department of Physical Therapy and Rehabilitation Science, University of California at San Francisco, San Francisco, CA 94143, USA
| | - Xianhua Piao
- Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California at San Francisco, San Francisco, CA 94143, USA
- Weill Institute for Neuroscience, University of California at San Francisco, San Francisco, CA 94143, USA
- Department of Medicine, Boston Children’s Hospital and Harvard Medical School, Boston, MA 02115, USA
- Division of Neonatology, Department of Pediatrics, University of California at San Francisco, San Francisco, CA 94158, USA
- Newborn Brain Research Institute, University of California at San Francisco, San Francisco, CA 94158, USA
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Ryan AM, Bauman MD. Primate Models as a Translational Tool for Understanding Prenatal Origins of Neurodevelopmental Disorders Associated With Maternal Infection. BIOLOGICAL PSYCHIATRY. COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2022; 7:510-523. [PMID: 35276404 PMCID: PMC8902899 DOI: 10.1016/j.bpsc.2022.02.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 01/13/2022] [Accepted: 02/24/2022] [Indexed: 02/06/2023]
Abstract
Pregnant women represent a uniquely vulnerable population during an infectious disease outbreak, such as the COVID-19 pandemic. Although we are at the early stages of understanding the specific impact of SARS-CoV-2 exposure during pregnancy, mounting epidemiological evidence strongly supports a link between exposure to a variety of maternal infections and an increased risk for offspring neurodevelopmental disorders. Inflammatory biomarkers identified from archived or prospectively collected maternal biospecimens suggest that the maternal immune response is the critical link between infection during pregnancy and altered offspring neurodevelopment. This maternal immune activation (MIA) hypothesis has been tested in animal models by artificially activating the immune system during pregnancy and evaluating the neurodevelopmental consequences in MIA-exposed offspring. Although the vast majority of MIA model research is carried out in rodents, the nonhuman primate model has emerged in recent years as an important translational tool. In this review, we briefly summarize human epidemiological studies that have prompted the development of translationally relevant MIA models. We then highlight notable similarities between humans and nonhuman primates, including placental structure, pregnancy physiology, gestational timelines, and offspring neurodevelopmental stages, that provide an opportunity to explore the MIA hypothesis in species more closely related to humans. Finally, we provide a comprehensive review of neurodevelopmental alterations reported in current nonhuman primate models of maternal infection and discuss future directions for this promising area of research.
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Affiliation(s)
- Amy M Ryan
- Department of Psychiatry and Behavioral Sciences, MIND Institute, University of California Davis, Davis, California; California National Primate Research Center, University of California Davis, Davis, California
| | - Melissa D Bauman
- Department of Psychiatry and Behavioral Sciences, MIND Institute, University of California Davis, Davis, California; California National Primate Research Center, University of California Davis, Davis, California.
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O'Connor TG, Ciesla AA, Sefair AV, Thornburg LL, Brown AS, Glover V, O'Donnell KJ. Maternal prenatal infection and anxiety predict neurodevelopmental outcomes in middle childhood. JOURNAL OF PSYCHOPATHOLOGY AND CLINICAL SCIENCE 2022; 131:422-434. [PMID: 35238594 PMCID: PMC9069845 DOI: 10.1037/abn0000746] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 11/30/2021] [Accepted: 12/16/2021] [Indexed: 12/17/2022]
Abstract
Prenatal maternal infection and anxiety have been linked, in separate lines of study, with child neurodevelopment. We extend and integrate these lines of study in a large prospective longitudinal cohort study of child neurodevelopment. Data are based on the Avon Longitudinal Study of Parents and Children (ALSPAC) cohort; prenatal maternal anxiety was assessed from self-report questionnaire; prenatal infection was derived from reports of several conditions in pregnancy (n = 7,042). Child neurodevelopment at approximately 8 years of age was assessed by in-person testing, reports of social and communication problems associated with autism, and psychiatric evaluation. Covariates included psychosocial, demographic, and perinatal/obstetric risks. Prenatal infection was associated with increased likelihood of co-occurring prenatal risk, including anxiety. Regression analyses indicated that both prenatal infection and prenatal anxiety predicted child social and communication problems; the predictions were largely independent of each other. Comparable effects were also found for the prediction of symptoms of attention problems and anxiety symptoms. These results provide the first evidence for the independent effects of prenatal infection and anxiety on a broad set of neurodevelopmental and behavioral and emotional symptoms in children, suggesting the involvement of multiple mechanisms in the prenatal programming of child neurodevelopment. The results further underscore the importance of promoting prenatal physical and mental health for child health outcomes. (PsycInfo Database Record (c) 2022 APA, all rights reserved).
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Massrali A, Adhya D, Srivastava DP, Baron-Cohen S, Kotter MR. Virus-Induced Maternal Immune Activation as an Environmental Factor in the Etiology of Autism and Schizophrenia. Front Neurosci 2022; 16:834058. [PMID: 35495047 PMCID: PMC9039720 DOI: 10.3389/fnins.2022.834058] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Accepted: 03/01/2022] [Indexed: 12/22/2022] Open
Abstract
Maternal immune activation (MIA) is mediated by activation of inflammatory pathways resulting in increased levels of cytokines and chemokines that cross the placental and blood-brain barriers altering fetal neural development. Maternal viral infection is one of the most well-known causes for immune activation in pregnant women. MIA and immune abnormalities are key players in the etiology of developmental conditions such as autism, schizophrenia, ADHD, and depression. Experimental evidence implicating MIA in with different effects in the offspring is complex. For decades, scientists have relied on either MIA models or human epidemiological data or a combination of both. MIA models are generated using infection/pathogenic agents to induce an immunological reaction in rodents and monitor the effects. Human epidemiological studies investigate a link between maternal infection and/or high levels of cytokines in pregnant mothers and the likelihood of developing conditions. In this review, we discuss the importance of understanding the relationship between virus-mediated MIA and neurodevelopmental conditions, focusing on autism and schizophrenia. We further discuss the different methods of studying MIA and their limitations and focus on the different factors contributing to MIA heterogeneity.
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Affiliation(s)
- Aïcha Massrali
- Department of Clinical Neurosciences, University of Cambridge, Cambridge, United Kingdom
- Autism Research Centre, Department of Psychiatry, University of Cambridge, Cambridge, United Kingdom
| | - Dwaipayan Adhya
- Autism Research Centre, Department of Psychiatry, University of Cambridge, Cambridge, United Kingdom
| | - Deepak P. Srivastava
- Department of Basic and Clinical Neuroscience, King’s College London, London, United Kingdom
| | - Simon Baron-Cohen
- Department of Clinical Neurosciences, University of Cambridge, Cambridge, United Kingdom
- Autism Research Centre, Department of Psychiatry, University of Cambridge, Cambridge, United Kingdom
| | - Mark R. Kotter
- Department of Clinical Neurosciences, University of Cambridge, Cambridge, United Kingdom
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Brynge M, Gardner R, Sjöqvist H, Karlsson H, Dalman C. Maternal levels of acute phase proteins in early pregnancy and risk of autism spectrum disorders in offspring. Transl Psychiatry 2022; 12:148. [PMID: 35393396 PMCID: PMC8989993 DOI: 10.1038/s41398-022-01907-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 03/17/2022] [Accepted: 03/21/2022] [Indexed: 01/08/2023] Open
Abstract
Previous research supports a contribution of early-life immune disturbances in the etiology of autism spectrum disorders (ASD). Biomarker studies of the maternal innate (non-adaptive) immune status related to ASD risk have focused on one of the acute phase proteins (APP), C-reactive protein (CRP), with conflicting results. We evaluated levels of eight different APP in first-trimester maternal serum samples, from 318 mothers to ASD cases and 429 mothers to ASD-unaffected controls, nested within the register-based Stockholm Youth Cohort. While no overall associations between high levels of APP and ASD were observed, associations varied across diagnostic sub-groups based on co-occurring conditions. Maternal levels of CRP in the lowest compared to the middle tertile were associated with increased risk of ASD without ID or ADHD in offspring (OR = 1.92, 95% CI 1.08-3.42). Further, levels of maternal ferritin in the lowest (OR = 1.78, 95% CI 1.18-2.69) and highest (OR = 1.64, 95% CI 1.11-2.43) tertiles were associated with increased risk of any ASD diagnosis in offspring, with stronger associations still between the lowest (OR = 3.81, 95% CI 1.91-7.58) and highest (OR = 3.36, 95% CI 1.73-6.53) tertiles of ferritin and risk of ASD with ID. The biological interpretation of lower CRP levels among mothers to ASD cases is not clear but might be related to the function of the maternal innate immune system. The finding of aberrant levels of ferritin conferring risk of ASD-phenotypes indicates a plausibly important role of iron during neurodevelopment.
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Affiliation(s)
- Martin Brynge
- Department of Global Public Health, Karolinska Institutet, Stockholm, 17177, Sweden.
| | - Renee Gardner
- Department of Global Public Health, Karolinska Institutet, Stockholm, 17177, Sweden
| | - Hugo Sjöqvist
- Department of Global Public Health, Karolinska Institutet, Stockholm, 17177, Sweden
| | - Håkan Karlsson
- Department of Neuroscience, Karolinska Institutet, Stockholm, 17177, Sweden
| | - Christina Dalman
- Department of Global Public Health, Karolinska Institutet, Stockholm, 17177, Sweden
- Centre for Epidemiology and Community Medicine, Region Stockholm, Stockholm, 17129, Sweden
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Ma SY, KWAN KM. Size Anomaly and Alteration of GABAergic Enzymes Expressions in Cerebellum of a Valproic acid Mouse Model of Autism. Behav Brain Res 2022; 428:113896. [DOI: 10.1016/j.bbr.2022.113896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 03/29/2022] [Accepted: 04/13/2022] [Indexed: 11/02/2022]
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Gomes AKS, Dantas RM, Yokota BY, Silva ALTE, Griesi-Oliveira K, Passos-Bueno MR, Sertié AL. Interleukin-17a Induces Neuronal Differentiation of Induced-Pluripotent Stem Cell-Derived Neural Progenitors From Autistic and Control Subjects. Front Neurosci 2022; 16:828646. [PMID: 35360153 PMCID: PMC8964130 DOI: 10.3389/fnins.2022.828646] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 02/07/2022] [Indexed: 12/04/2022] Open
Abstract
Prenatal exposure to maternal immune activation (MIA) has been suggested to increase the probability of autism spectrum disorder (ASD). Recent evidence from animal studies indicates a key role for interleukin-17a (IL-17a) in promoting MIA-induced behavioral and brain abnormalities reminiscent of ASD. However, it is still unclear how IL-17a acts on the human developing brain and the cell types directly affected by IL-17a signaling. In this study, we used iPSC-derived neural progenitor cells (NPCs) from individuals with ASD of known and unknown genetic cause as well as from neurotypical controls to examine the effects of exogenous IL-17a on NPC proliferation, migration and neuronal differentiation, and whether IL-17a and genetic risk factors for ASD interact exacerbating alterations in NPC function. We observed that ASD and control NPCs endogenously express IL-17a receptor (IL17RA), and that IL-17a/IL17RA activation modulates downstream ERK1/2 and mTORC1 signaling pathways. Exogenous IL-17a did not induce abnormal proliferation and migration of ASD and control NPCs but, on the other hand, it significantly increased the expression of synaptic (Synaptophysin-1, Synapsin-1) and neuronal polarity (MAP2) proteins in these cells. Also, as we observed that ASD and control NPCs exhibited similar responses to exogenous IL-17a, it is possible that a more inflammatory environment containing other immune molecules besides IL-17a may be needed to trigger gene-environment interactions during neurodevelopment. In conclusion, our results suggest that exogenous IL-17a positively regulates the neuronal differentiation of human NPCs, which may disturb normal neuronal and synaptic development and contribute to MIA-related changes in brain function and behavior.
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Affiliation(s)
| | | | - Bruno Yukio Yokota
- Hospital Israelita Albert Einstein, Centro de Pesquisa Experimental, São Paulo, Brazil
| | | | | | - Maria Rita Passos-Bueno
- Centro de Estudos do Genoma Humano e Células Tronco, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | - Andréa Laurato Sertié
- Hospital Israelita Albert Einstein, Centro de Pesquisa Experimental, São Paulo, Brazil
- *Correspondence: Andréa Laurato Sertié,
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Hertz‐Picciotto I, Korrick SA, Ladd‐Acosta C, Karagas MR, Lyall K, Schmidt RJ, Dunlop AL, Croen LA, Dabelea D, Daniels JL, Duarte CS, Fallin MD, Karr CJ, Lester B, Leve LD, Li Y, McGrath M, Ning X, Oken E, Sagiv SK, Sathyanaraya S, Tylavsky F, Volk HE, Wakschlag LS, Zhang M, O'Shea TM, Musci RJ. Maternal tobacco smoking and offspring autism spectrum disorder or traits in ECHO cohorts. Autism Res 2022; 15:551-569. [PMID: 35199959 PMCID: PMC9304219 DOI: 10.1002/aur.2665] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 12/16/2021] [Accepted: 12/16/2021] [Indexed: 12/13/2022]
Abstract
Given inconsistent evidence on preconception or prenatal tobacco use and offspring autism spectrum disorder (ASD), this study assessed associations of maternal smoking with ASD and ASD-related traits. Among 72 cohorts in the Environmental Influences on Child Health Outcomes consortium, 11 had ASD diagnosis and prenatal tobaccosmoking (n = 8648). and 7 had Social Responsiveness Scale (SRS) scores of ASD traits (n = 2399). Cohorts had diagnoses alone (6), traits alone (2), or both (5). Diagnoses drew from parent/caregiver report, review of records, or standardized instruments. Regression models estimated smoking-related odds ratios (ORs) for diagnoses and standardized mean differences for SRS scores. Cohort-specific ORs were meta-analyzed. Overall, maternal smoking was unassociated with child ASD (adjusted OR, 1.08; 95% confidence interval [CI], 0.72-1.61). However, heterogeneity across studies was strong: preterm cohorts showed reduced ASD risk for exposed children. After excluding preterm cohorts (biased by restrictions on causal intermediate and exposure opportunity) and small cohorts (very few ASD cases in either smoking category), the adjusted OR for ASD from maternal smoking was 1.44 (95% CI, 1.02-2.03). Children of smoking (versus non-smoking) mothers had more ASD traits (SRS T-score + 2.37 points, 95% CI, 0.73-4.01 points), with results homogeneous across cohorts. Maternal preconception/prenatal smoking was consistently associated with quantitative ASD traits and modestly associated with ASD diagnosis among sufficiently powered United States cohorts of non-preterm children. Limitations resulting from self-reported smoking and unmeasured confounders preclude definitive conclusions. Nevertheless, counseling on potential and known risks to the child from maternal smoking is warranted for pregnant women and pregnancy planners. LAY SUMMARY: Evidence on the association between maternal prenatal smoking and the child's risk for autism spectrum disorder has been conflicting, with some studies reporting harmful effects, and others finding reduced risks. Our analysis of children in the ECHO consortium found that maternal prenatal tobacco smoking is consistently associated with an increase in autism-related symptoms in the general population and modestly associated with elevated risk for a diagnosis of autism spectrum disorder when looking at a combined analysis from multiple studies that each included both pre- and full-term births. However, this study is not proof of a causal connection. Future studies to clarify the role of smoking in autism-like behaviors or autism diagnoses should collect more reliable data on smoking and measure other exposures or lifestyle factors that might have confounded our results.
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Affiliation(s)
- Irva Hertz‐Picciotto
- Department of Public Health Sciences and MIND InstituteUniversity of California, Davis School of MedicineDavisCaliforniaUSA
| | - Susan A. Korrick
- Channing Division of Network Medicine, Brigham and Women's HospitalHarvard Medical SchoolBostonMassachusettsUSA
| | - Christine Ladd‐Acosta
- Department of EpidemiologyJohns Hopkins Bloomberg School of Public HealthBaltimoreMarylandUSA
| | - Margaret R. Karagas
- Department of EpidemiologyGeisel School of Medicine at DartmouthHannoverNew HampshireUSA
| | - Kristen Lyall
- A.J. Drexel Autism InstituteDrexel UniversityPhiladelphiaPennsylvaniaUSA
| | - Rebecca J. Schmidt
- Department of Public Health Sciences and MIND InstituteUniversity of California, Davis School of MedicineDavisCaliforniaUSA
| | - Anne L. Dunlop
- Department of Gynecology & ObstetricsEmory University School of MedicineAtlantaGeorgiaUSA
| | - Lisa A. Croen
- Division of ResearchKaiser PermanenteOaklandCaliforniaUSA
| | - Dana Dabelea
- LEAD Center and Department of EpidemiologyColorado School of Public HealthAuroraColoradoUSA
| | - Julie L. Daniels
- Departments of Epidemiology and Maternal and Child Health; Gillings School of Global Public HealthUniversity of North CarolinaChapel HillNorth CarolinaUSA
| | - Cristiane S. Duarte
- Department of PsychiatryColumbia University, New York State Psychiatric InstituteNew YorkNew YorkUSA
| | - M. Daniele Fallin
- Department of Mental HealthJohns Hopkins Bloomberg School of Public HealthBaltimoreMarylandUSA
| | - Catherine J. Karr
- Departments of Pediatrics and Environmental & Occupational Health SciencesUniversity of WashingtonSeattleWashingtonUSA
| | - Barry Lester
- Brown Center for the Study of Children at Risk and Departments of Psychiatry and Human Behavior and Pediatrics, Alpert Medical School, Brown UniversityWomen and Infants Hospital in Rhode IslandProvidenceRhode IslandUSA
| | | | - Yijun Li
- Department of EpidemiologyJohns Hopkins Bloomberg School of Public HealthBaltimoreMarylandUSA
| | - Monica McGrath
- Department of EpidemiologyJohns Hopkins Bloomberg School of Public HealthBaltimoreMarylandUSA
| | - Xuejuan Ning
- Department of EpidemiologyJohns Hopkins Bloomberg School of Public HealthBaltimoreMarylandUSA
| | - Emily Oken
- Department of Population MedicineHarvard Medical School and Harvard Pilgrim Health Care InstituteBostonMassachusettsUSA
| | - Sharon K. Sagiv
- Center for Environmental Research and Children's HealthUniversity of California, Berkeley, School of Public HealthBerkeleyCaliforniaUSA
| | - Sheela Sathyanaraya
- Department of Pediatrics, Seattle Children's Research InstituteUniversity of WashingtonSeattleWashingtonUSA
| | - Frances Tylavsky
- Department of Preventive MedicineUniversity of Tennessee Health Science CenterMemphisTennesseeUSA
| | - Heather E. Volk
- Department of Mental HealthJohns Hopkins Bloomberg School of Public HealthBaltimoreMarylandUSA
| | - Lauren S. Wakschlag
- Department of Medical Social Sciences, Feinberg School of Medicine, and Institute for Innovations in Developmental SciencesNorthwestern UniversityChicagoIllinoisUSA
| | - Mingyu Zhang
- Department of EpidemiologyJohns Hopkins Bloomberg School of Public HealthBaltimoreMarylandUSA
| | - T. Michael O'Shea
- Department of PediatricsUniversity of North Carolina at Chapel Hill School of MedicineChapel HillNorth CarolinaUSA
| | - Rashelle J. Musci
- Department of Mental HealthJohns Hopkins Bloomberg School of Public HealthBaltimoreMarylandUSA
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65
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Mouat JS, LaSalle JM. The Promise of DNA Methylation in Understanding Multigenerational Factors in Autism Spectrum Disorders. Front Genet 2022; 13:831221. [PMID: 35242170 PMCID: PMC8886225 DOI: 10.3389/fgene.2022.831221] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 01/28/2022] [Indexed: 12/14/2022] Open
Abstract
Autism spectrum disorder (ASD) is a group of neurodevelopmental disorders characterized by impairments in social reciprocity and communication, restrictive interests, and repetitive behaviors. Most cases of ASD arise from a confluence of genetic susceptibility and environmental risk factors, whose interactions can be studied through epigenetic mechanisms such as DNA methylation. While various parental factors are known to increase risk for ASD, several studies have indicated that grandparental and great-grandparental factors may also contribute. In animal studies, gestational exposure to certain environmental factors, such as insecticides, medications, and social stress, increases risk for altered behavioral phenotypes in multiple subsequent generations. Changes in DNA methylation, gene expression, and chromatin accessibility often accompany these altered behavioral phenotypes, with changes often appearing in genes that are important for neurodevelopment or have been previously implicated in ASD. One hypothesized mechanism for these phenotypic and methylation changes includes the transmission of DNA methylation marks at individual chromosomal loci from parent to offspring and beyond, called multigenerational epigenetic inheritance. Alternatively, intermediate metabolic phenotypes in the parental generation may confer risk from the original grandparental exposure to risk for ASD in grandchildren, mediated by DNA methylation. While hypothesized mechanisms require further research, the potential for multigenerational epigenetics assessments of ASD risk has implications for precision medicine as the field attempts to address the variable etiology and clinical signs of ASD by incorporating genetic, environmental, and lifestyle factors. In this review, we discuss the promise of multigenerational DNA methylation investigations in understanding the complex etiology of ASD.
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Affiliation(s)
- Julia S Mouat
- LaSalle Laboratory, Department of Medical Microbiology and Immunology, University of California, Davis, Davis, CA, United States
- Perinatal Origins of Disparities Center, University of California, Davis, Davis, CA, United States
- MIND Institute, School of Medicine, University of California, Davis, Davis, CA, United States
- Genome Center, University of California, Davis, Davis, CA, United States
| | - Janine M LaSalle
- LaSalle Laboratory, Department of Medical Microbiology and Immunology, University of California, Davis, Davis, CA, United States
- Perinatal Origins of Disparities Center, University of California, Davis, Davis, CA, United States
- MIND Institute, School of Medicine, University of California, Davis, Davis, CA, United States
- Genome Center, University of California, Davis, Davis, CA, United States
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66
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Al Dera H. Cellular and molecular mechanisms underlying autism spectrum disorders and associated comorbidities: A pathophysiological review. Biomed Pharmacother 2022; 148:112688. [PMID: 35149383 DOI: 10.1016/j.biopha.2022.112688] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/25/2022] [Accepted: 02/01/2022] [Indexed: 12/31/2022] Open
Abstract
Autism spectrum disorders (ASD) are a group of neurodevelopmental disorders that develop in early life due to interaction between several genetic and environmental factors and lead to alterations in brain function and structure. During the last decades, several mechanisms have been placed to explain the pathogenesis of autism. Unfortunately, these are reported in several studies and reviews which make it difficult to follow by the reader. In addition, some recent molecular mechanisms related to ASD have been unrevealed. This paper revises and highlights the major common molecular mechanisms responsible for the clinical symptoms seen in people with ASD, including the roles of common genetic factors and disorders, neuroinflammation, GABAergic signaling, and alterations in Ca+2 signaling. Besides, it covers the major molecular mechanisms and signaling pathways involved in initiating the epileptic seizure, including the alterations in the GABAergic and glutamate signaling, vitamin and mineral deficiency, disorders of metabolism, and autoimmunity. Finally, this review also discusses sleep disorder patterns and the molecular mechanisms underlying them.
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Affiliation(s)
- Hussain Al Dera
- Department of Basic Medical Sciences, College of Medicine at King Saud, Abdulaziz University for Health Sciences (KSAU-HS), Riyadh, Saudi Arabia; King Abdullah International Medical Research Center (KAIMRC), Riyadh, Saudi Arabia.
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67
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Increased Monocyte Production of IL-6 after Toll-like Receptor Activation in Children with Autism Spectrum Disorder (ASD) Is Associated with Repetitive and Restricted Behaviors. Brain Sci 2022; 12:brainsci12020220. [PMID: 35203983 PMCID: PMC8870658 DOI: 10.3390/brainsci12020220] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/31/2022] [Accepted: 02/02/2022] [Indexed: 01/27/2023] Open
Abstract
The prevalence of autism spectrum disorder (ASD) has starkly increased, instigating research into risk factors for ASD. This research has identified immune risk factors for ASD, along with evidence of immune dysfunction and excess inflammation frequently experienced by autistic individuals. Increased innate inflammatory cytokines, including interleukin (IL)-6, are seen repeatedly in ASD; however, the origin of excess IL-6 in ASD has not been identified. Here we explore specific responses of circulating monocytes from autistic children. We isolated CD14+ monocytes from whole blood and stimulated them for 24 h under three conditions: media alone, lipoteichoic acid to activate TLR2, and lipopolysaccharide to activate TLR4. We then measured secreted cytokine concentrations in cellular supernatant using a human multiplex bead immunoassay. We found that after TLR4 activation, CD14+ monocytes from autistic children produce increased IL-6 compared to monocytes from children with typical development. IL-6 concentration also correlated with worsening restrictive and repetitive behaviors. These findings suggest dysfunctional activation of myeloid cells, and may indicate that other cells of this lineage, including macrophages, and microglia in the brain, might have a similar dysfunction. Further research on myeloid cells in ASD is warranted.
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68
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Vanderplow AM, Kermath BA, Bernhardt CR, Gums KT, Seablom EN, Radcliff AB, Ewald AC, Jones MV, Baker TL, Watters JJ, Cahill ME. A feature of maternal sleep apnea during gestation causes autism-relevant neuronal and behavioral phenotypes in offspring. PLoS Biol 2022; 20:e3001502. [PMID: 35113852 PMCID: PMC8812875 DOI: 10.1371/journal.pbio.3001502] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 11/29/2021] [Indexed: 12/26/2022] Open
Abstract
Mounting epidemiologic and scientific evidence indicates that many psychiatric disorders originate from a complex interplay between genetics and early life experiences, particularly in the womb. Despite decades of research, our understanding of the precise prenatal and perinatal experiences that increase susceptibility to neurodevelopmental disorders remains incomplete. Sleep apnea (SA) is increasingly common during pregnancy and is characterized by recurrent partial or complete cessations in breathing during sleep. SA causes pathological drops in blood oxygen levels (intermittent hypoxia, IH), often hundreds of times each night. Although SA is known to cause adverse pregnancy and neonatal outcomes, the long-term consequences of maternal SA during pregnancy on brain-based behavioral outcomes and associated neuronal functioning in the offspring remain unknown. We developed a rat model of maternal SA during pregnancy by exposing dams to IH, a hallmark feature of SA, during gestational days 10 to 21 and investigated the consequences on the offspring's forebrain synaptic structure, synaptic function, and behavioral phenotypes across multiples stages of development. Our findings represent a rare example of prenatal factors causing sexually dimorphic behavioral phenotypes associated with excessive (rather than reduced) synapse numbers and implicate hyperactivity of the mammalian target of rapamycin (mTOR) pathway in contributing to the behavioral aberrations. These findings have implications for neuropsychiatric disorders typified by superfluous synapse maintenance that are believed to result, at least in part, from largely unknown insults to the maternal environment.
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Affiliation(s)
- Amanda M. Vanderplow
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Bailey A. Kermath
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Cassandra R. Bernhardt
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Kimberly T. Gums
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Erin N. Seablom
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Abigail B. Radcliff
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Andrea C. Ewald
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Mathew V. Jones
- Department of Neuroscience, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Tracy L. Baker
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Jyoti J. Watters
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Michael E. Cahill
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
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69
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Chernikova MA, Flores GD, Kilroy E, Labus JS, Mayer EA, Aziz-Zadeh L. The Brain-Gut-Microbiome System: Pathways and Implications for Autism Spectrum Disorder. Nutrients 2021; 13:nu13124497. [PMID: 34960049 PMCID: PMC8704412 DOI: 10.3390/nu13124497] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/08/2021] [Accepted: 12/09/2021] [Indexed: 12/13/2022] Open
Abstract
Gastrointestinal dysfunction is one of the most prevalent physiological symptoms of autism spectrum disorder (ASD). A growing body of largely preclinical research suggests that dysbiotic gut microbiota may modulate brain function and social behavior, yet little is known about the mechanisms that underlie these relationships and how they may influence the pathogenesis or severity of ASD. While various genetic and environmental risk factors have been implicated in ASD, this review aims to provide an overview of studies elucidating the mechanisms by which gut microbiota, associated metabolites, and the brain interact to influence behavior and ASD development, in at least a subgroup of individuals with gastrointestinal problems. Specifically, we review the brain-gut-microbiome system and discuss findings from current animal and human studies as they relate to social-behavioral and neurological impairments in ASD, microbiota-targeted therapies (i.e., probiotics, fecal microbiota transplantation) in ASD, and how microbiota may influence the brain at molecular, structural, and functional levels, with a particular interest in social and emotion-related brain networks. A deeper understanding of microbiome-brain-behavior interactions has the potential to inform new therapies aimed at modulating this system and alleviating both behavioral and physiological symptomatology in individuals with ASD.
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Affiliation(s)
- Michelle A. Chernikova
- USC Chan Division of Occupational Science and Occupational Therapy, University of Southern California, Los Angeles, CA 90033, USA; (M.A.C.); (G.D.F.); (E.K.)
- Brain and Creativity Institute, University of Southern California, Los Angeles, CA 90089, USA
- Psychology Department, Loyola Marymount University, Los Angeles, CA 90045, USA
| | - Genesis D. Flores
- USC Chan Division of Occupational Science and Occupational Therapy, University of Southern California, Los Angeles, CA 90033, USA; (M.A.C.); (G.D.F.); (E.K.)
- Brain and Creativity Institute, University of Southern California, Los Angeles, CA 90089, USA
- Psychology Department, California State Polytechnic University, Pomona, CA 91768, USA
| | - Emily Kilroy
- USC Chan Division of Occupational Science and Occupational Therapy, University of Southern California, Los Angeles, CA 90033, USA; (M.A.C.); (G.D.F.); (E.K.)
- Brain and Creativity Institute, University of Southern California, Los Angeles, CA 90089, USA
| | - Jennifer S. Labus
- G. Oppenheimer Center for Neurobiology of Stress and Resilience, University of California Los Angeles, Los Angeles, CA 90095, USA;
- Vatche and Tamar Manoukian Division of Digestive Diseases, University of California Los Angeles, Los Angeles, CA 90095, USA
- David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA 90095, USA
- Gonda (Goldschmied) Neuroscience and Genetics Research Center, Brain Research Institute UCLA, Los Angeles, CA 90095, USA
| | - Emeran A. Mayer
- G. Oppenheimer Center for Neurobiology of Stress and Resilience, University of California Los Angeles, Los Angeles, CA 90095, USA;
- Vatche and Tamar Manoukian Division of Digestive Diseases, University of California Los Angeles, Los Angeles, CA 90095, USA
- David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA 90095, USA
- Correspondence: (E.A.M.); (L.A.-Z.)
| | - Lisa Aziz-Zadeh
- USC Chan Division of Occupational Science and Occupational Therapy, University of Southern California, Los Angeles, CA 90033, USA; (M.A.C.); (G.D.F.); (E.K.)
- Brain and Creativity Institute, University of Southern California, Los Angeles, CA 90089, USA
- Correspondence: (E.A.M.); (L.A.-Z.)
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Abstract
Neuropsychiatric diseases have traditionally been studied from brain, and mind-centric perspectives. However, mounting epidemiological and clinical evidence shows a strong correlation of neuropsychiatric manifestations with immune system activation, suggesting a likely mechanistic interaction between the immune and nervous systems in mediating neuropsychiatric disease. Indeed, immune mediators such as cytokines, antibodies, and complement proteins have been shown to affect various cellular members of the central nervous system in multitudinous ways, such as by modulating neuronal firing rates, inducing cellular apoptosis, or triggering synaptic pruning. These observations have in turn led to the exciting development of clinical therapies aiming to harness this neuro-immune interaction for the treatment of neuropsychiatric disease and symptoms. Besides the clinic, important theoretical fundamentals can be drawn from the immune system and applied to our understanding of the brain and neuropsychiatric disease. These new frameworks could lead to novel insights in the field and further potentiate the development of future therapies to treat neuropsychiatric disease.
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71
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Khandaker GM, Stochl J, Zammit S, Lewis G, Dantzer R, Jones PB. Association between circulating levels of C-reactive protein and positive and negative symptoms of psychosis in adolescents in a general population birth cohort. J Psychiatr Res 2021; 143:534-542. [PMID: 33229033 PMCID: PMC8126639 DOI: 10.1016/j.jpsychires.2020.11.028] [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: 08/30/2020] [Revised: 10/13/2020] [Accepted: 11/12/2020] [Indexed: 12/27/2022]
Abstract
BACKGROUND Schizophrenia is associated with elevated levels of circulating C-reactive protein (CRP) and other inflammatory markers, but it is unclear whether these associations extend to psychotic symptoms occurring in adolescence in the general population. A symptom-based approach may provide important clues for apparent trans-diagnostic effect of inflammation, which is also associated with depression and other psychiatric disorders. METHODS Based on data from 2421 participants from the Avon Longitudinal Study of Parents and Children birth cohort, we examined associations of serum CRP levels assessed around age 16 with ten positive and ten negative symptoms of psychosis assessed using questionnaires around age 17, using both individual symptoms and symptom dimension scores as outcomes. Regression models were adjusted for sex, body mass index, depressive symptoms, substance use, and other potential confounders. RESULTS Most prevalent positive symptoms were paranoid ideation (4.8%), visual (4.3%) and auditory (3.5%) hallucinations. Negative symptoms were more strongly correlated with concurrent depressive symptoms (r=0.51; P < 0.001) than positive symptoms (rpb=0.19; P < 0.001). The associations of CRP with positive and negative symptom dimension scores were similar. At individual symptom level, after adjusting for potential confounders including depressive symptoms, CRP was associated with auditory hallucinations (adjusted OR = 2.22; 95% CI, 1.04-4.76) and anhedonia (adjusted OR = 1.13; 95% CI, 1.02-1.26). CONCLUSIONS Inflammation is associated with sub-clinical psychotic symptoms in young people in general population. Association of CRP with symptoms commonly shared between mood and psychotic disorders, such as auditory hallucinations and anhedonia, could be one explanation for the apparent trans-diagnostic effect of inflammation.
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Affiliation(s)
- Golam M Khandaker
- Department of Psychiatry, University of Cambridge, Herchel Smith Building, Forvie Site, Cambridge Biomedical Campus, Cambridge, CB2 0SZ, United Kingdom; Cambridgeshire and Peterborough NHS Foundation Trust, Elizabeth House, Fulbourn Hospital, Fulbourn, Cambridge, CB21 5EF, United Kingdom.
| | - Jan Stochl
- Department of Psychiatry, University of Cambridge, Herchel Smith Building, Forvie Site, Cambridge Biomedical Campus, Cambridge, CB2 0SZ, United Kingdom; Department of Kinanthropology, Charles University, José Martího 31, Prague, 165 52, Czech Republic
| | - Stanley Zammit
- Centre for Academic Mental Health, Department of Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, United Kingdom; Institute of Psychological Medicine and Clinical Neurosciences, Cardiff University, Cardiff, CF10 3AT, United Kingdom
| | - Glyn Lewis
- Division of Psychiatry, University College London, Maple House, 149 Tottenham Court Road, London, W1T 7NF, United Kingdom
| | - Robert Dantzer
- Department for Symptom Research, University of Texas MD Anderson Cancer Center, Laboratory of Neuroimmunology, Unit 1055, Office: Z8.5042, 6565 MD Anderson Boulevard, Houston, TX, 77030, USA
| | - Peter B Jones
- Department of Psychiatry, University of Cambridge, Herchel Smith Building, Forvie Site, Cambridge Biomedical Campus, Cambridge, CB2 0SZ, United Kingdom; Cambridgeshire and Peterborough NHS Foundation Trust, Elizabeth House, Fulbourn Hospital, Fulbourn, Cambridge, CB21 5EF, United Kingdom
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72
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Toledo G, Côté HCF, Adler C, Thorne C, Goetghebuer T. Neurological development of children who are HIV-exposed and uninfected. Dev Med Child Neurol 2021; 63:1161-1170. [PMID: 33987826 DOI: 10.1111/dmcn.14921] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/17/2021] [Indexed: 12/20/2022]
Abstract
Widespread use of antiretroviral drugs for pregnant/breastfeeding females with human immunodeficiency virus (HIV) has led to declining vertical transmission. Despite being HIV-uninfected, the increasing number of children who are HIV-exposed and uninfected (CHEU) often present with developmental alterations. We review seminal and recent evidence on the neurological development of CHEU and associations with early life HIV/antiretroviral exposure. Our conceptual model highlights the numerous exposures and universal risk factors for CHEU developmental disorders. Early studies suggest a significant association between HIV exposure and neurological abnormalities, varying according to the burden of HIV-specific exposures and other risk factors. More recent observations from the modern era are inconsistent, although some studies suggest specific antiretrovirals may adversely affect neurological development of CHEU. As the CHEU population continues to grow, alongside simultaneous increases in types and combinations of antiretrovirals used in pregnancy, long-term monitoring of CHEU is necessary for understanding the effects of HIV/antiretroviral exposure on CHEU developmental outcomes. What this paper adds Evidence on the neurological development of children who are human immunodeficiency virus (HIV)-exposed and uninfected (CHEU) is synthesized. Comparisons are made to children who are HIV-unexposed, across treatment eras and settings, and by antiretroviral drug regimens and drug classes. CHEU exposures are complex and include HIV-specific and universal risk factors which may affect development during the early years of life.
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Affiliation(s)
- Gabriela Toledo
- UCL Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Hélène C F Côté
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada.,Centre for Blood Research, University of British Columbia, Vancouver, BC, Canada
| | - Catherine Adler
- Department of Pediatrics, Centre Hospitalier Universitaire Saint-Pierre, Université Libre de Bruxelles, Brussels, Belgium
| | - Claire Thorne
- UCL Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Tessa Goetghebuer
- Department of Pediatrics, Centre Hospitalier Universitaire Saint-Pierre, Université Libre de Bruxelles, Brussels, Belgium
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73
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Hameete BC, Fernández-Calleja JM, de Groot MW, Oppewal TR, Tiemessen MM, Hogenkamp A, de Vries RB, Groenink L. The poly(I:C)-induced maternal immune activation model; a systematic review and meta-analysis of cytokine levels in the offspring. Brain Behav Immun Health 2021; 11:100192. [PMID: 34589729 PMCID: PMC8474626 DOI: 10.1016/j.bbih.2020.100192] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 12/16/2020] [Indexed: 12/19/2022] Open
Abstract
The maternal polyinosinic:polycytidylic acid (poly(I:C)) animal model is frequently used to study how maternal immune activation may impact neuro development in the offspring. Here, we present the first systematic review and meta-analysis on the effects of maternal poly(I:C) injection on immune mediators in the offspring and provide an openly accessible systematic map of the data including methodological characteristics. Pubmed and EMBASE were searched for relevant publications, yielding 45 unique papers that met inclusion criteria. We extracted data on immune outcomes and methodological characteristics, and assessed the risk of bias. The descriptive summary showed that most studies reported an absence of effect, with an equal number of studies reporting an increase or decrease in the immune mediator being studied. Meta-analysis showed increased IL-6 concentrations in the offspring of poly(I:C) exposed mothers. This effect appeared larger prenatally than post-weaning. Furthermore, poly(I:C) administration during mid-gestation was associated with higher IL-6 concentrations in the offspring. Maternal poly(I:C) induced changes in IL-1β, Il-10 and TNF-α concentrations were small and could not be associated with age of offspring, gestational period or sampling location. Finally, quality of reporting of potential measures to minimize bias was low, which stresses the importance of adherence to publication guidelines. Since neurodevelopmental disorders in humans tend to be associated with lifelong changes in cytokine concentrations, the absence of these effects as identified in this systematic review may suggest that combining the model with other etiological factors in future studies may provide further insight in the mechanisms through which maternal immune activation affects neurodevelopment. Long-term effects of maternal poly(I:C) on immune mediators in the offspring appear limited. Prenatal measurements and mid gestation poly(I:C) injection are associated with increases in IL-6 concentrations. Variety in methodological conduct hampers identification of key elements that affect cytokine concentrations. The quality of reporting of potential measures to minimize bias is poor.
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Affiliation(s)
- Bart C. Hameete
- Department of Pharmacology, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Universiteitsweg 99, Utrecht, 3584 CG, the Netherlands
| | - José M.S. Fernández-Calleja
- Department of Pharmacology, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Universiteitsweg 99, Utrecht, 3584 CG, the Netherlands
| | - Martje W.G.D.M. de Groot
- Department of Pharmacology, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Universiteitsweg 99, Utrecht, 3584 CG, the Netherlands
| | - Titia Rixt Oppewal
- University College Utrecht (UCU), Campusplein 1, Utrecht, 3584 ED, the Netherlands
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, Groningen, 9747 AG, the Netherlands
| | - Machteld M. Tiemessen
- Research & Innovation, GCoE Immunology, Danone Nutricia Research, Uppsalalaan 12, Utrecht, 3584 CT, the Netherlands
| | - Astrid Hogenkamp
- Department of Pharmacology, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Universiteitsweg 99, Utrecht, 3584 CG, the Netherlands
| | - Rob B.M. de Vries
- SYstematic Review Center for Laboratory (Animal) Experimentation, Department for Health Evidence, Radboud University Medical Center, Geert Grooteplein zuid 10, Nijmegen, 6525 GA, the Netherlands
| | - Lucianne Groenink
- Department of Pharmacology, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Universiteitsweg 99, Utrecht, 3584 CG, the Netherlands
- Corresponding author.
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Lee ASE, Ji Y, Raghavan R, Wang G, Hong X, Pearson C, Mirolli G, Bind E, Steffens A, Mukherjee J, Haltmeier D, Fan ZT, Wang X. Maternal prenatal selenium levels and child risk of neurodevelopmental disorders: A prospective birth cohort study. Autism Res 2021; 14:2533-2543. [PMID: 34558795 DOI: 10.1002/aur.2617] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 08/14/2021] [Accepted: 08/30/2021] [Indexed: 01/13/2023]
Abstract
Selenium (Se) is an essential trace element involved in various biological processes, including neurodevelopment. Available literature indicates that both Se deficiency and excess may be detrimental to health. It is also known that Se can cross the placenta from maternal to fetal circulation. To date, the role of maternal Se status in child long-term neurodevelopment is largely unexplored. This study investigated the temporal and dose-response associations between maternal Se status and child risk of neurodevelopmental disorders including autism spectrum disorder (ASD) and attention deficit hyperactivity disorder (ADHD). It consisted of 1550 mother-infant dyads from the Boston Birth Cohort. Maternal red blood cell (RBC) Se levels were measured in samples collected within 72 h of delivery (biomarker of third trimester Se status). Pediatric neurodevelopmental diagnoses were obtained from electronic medical records. Data analyses showed that maternal RBC Se levels were positively associated with child risk of developing ASD, with an adjusted odds ratio of 1.49 for ASD (95% CI: 1.09, 2.02) per IQR increase in Se. There was also a positive association between maternal Se and ADHD (OR: 1.29; 95% CI: 1.04, 1.56, per IQR increase in Se). These associations remained robust even after adjusting for pertinent covariables; and there was no significant interaction between Se and these covariables. Our findings suggest that prenatal exposure to high maternal Se levels may adversely affect child neurodevelopment. Our findings warrant further investigation; if confirmed, optimizing maternal prenatal Se levels may be necessary to maximize its health benefits while preventing undue risk.
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Affiliation(s)
- Ashley Sang Eun Lee
- Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Yuelong Ji
- Center on the Early Life Origins of Disease, Department of Population, Family and Reproductive Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Ramkripa Raghavan
- Center on the Early Life Origins of Disease, Department of Population, Family and Reproductive Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Guoying Wang
- Center on the Early Life Origins of Disease, Department of Population, Family and Reproductive Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Xiumei Hong
- Center on the Early Life Origins of Disease, Department of Population, Family and Reproductive Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Colleen Pearson
- Department of Pediatrics, Boston University School of Medicine and Boston Medical Center, Boston, Massachusetts, USA
| | - Gabrielle Mirolli
- Department of Pediatrics, Boston University School of Medicine and Boston Medical Center, Boston, Massachusetts, USA
| | - Eric Bind
- New Jersey Department of Health, Environmental and Chemical Laboratory Services, Metals Laboratory, Trenton, New Jersey, USA
| | - Andrew Steffens
- New Jersey Department of Health, Environmental and Chemical Laboratory Services, Metals Laboratory, Trenton, New Jersey, USA
| | - Jhindan Mukherjee
- New Jersey Department of Health, Environmental and Chemical Laboratory Services, Metals Laboratory, Trenton, New Jersey, USA
| | - Douglas Haltmeier
- New Jersey Department of Health, Environmental and Chemical Laboratory Services, Metals Laboratory, Trenton, New Jersey, USA
| | - Zhihua Tina Fan
- New Jersey Department of Health, Environmental and Chemical Laboratory Services, Metals Laboratory, Trenton, New Jersey, USA
| | - Xiaobin Wang
- Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.,Center on the Early Life Origins of Disease, Department of Population, Family and Reproductive Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA
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75
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López-Aranda MF, Chattopadhyay I, Boxx GM, Fraley ER, Silva TK, Zhou M, Phan M, Herrera I, Taloma S, Mandanas R, Bach K, Gandal M, Geschwind DH, Cheng G, Rzhetsky A, White SA, Silva AJ. Postnatal immune activation causes social deficits in a mouse model of tuberous sclerosis: Role of microglia and clinical implications. SCIENCE ADVANCES 2021; 7:eabf2073. [PMID: 34533985 PMCID: PMC8448451 DOI: 10.1126/sciadv.abf2073] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Accepted: 07/27/2021] [Indexed: 05/03/2023]
Abstract
There is growing evidence that prenatal immune activation contributes to neuropsychiatric disorders. Here, we show that early postnatal immune activation resulted in profound impairments in social behavior, including in social memory in adult male mice heterozygous for a gene responsible for tuberous sclerosis complex (Tsc2+/−), a genetic disorder with high prevalence of autism. Early postnatal immune activation did not affect either wild-type or female Tsc2+/− mice. We demonstrate that these memory deficits are caused by abnormal mammalian target of rapamycin–dependent interferon signaling and impairments in microglia function. By mining the medical records of more than 3 million children followed from birth, we show that the prevalence of hospitalizations due to infections in males (but not in females) is associated with future development of autism spectrum disorders (ASD). Together, our results suggest the importance of synergistic interactions between strong early postnatal immune activation and mutations associated with ASD.
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Affiliation(s)
- Manuel F. López-Aranda
- Departments of Neurobiology, Psychology, and Psychiatry, Integrative Center for Learning and Memory, and Brain Research Institute, University of California, Los Angeles, Los Angeles, CA, USA
| | - Ishanu Chattopadhyay
- Department of Medicine and Human Genetics, Section of Computational Biomedicine and Biomedical Data Science, and Institute for Genomics and Systems Biology, University of Chicago, Chicago, IL, USA
- Department of Medicine, University of Chicago, Chicago, IL, USA
| | - Gayle M. Boxx
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, USA
| | - Elizabeth R. Fraley
- Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, CA, USA
| | - Tawnie K. Silva
- Departments of Neurobiology, Psychology, and Psychiatry, Integrative Center for Learning and Memory, and Brain Research Institute, University of California, Los Angeles, Los Angeles, CA, USA
| | - Miou Zhou
- Departments of Neurobiology, Psychology, and Psychiatry, Integrative Center for Learning and Memory, and Brain Research Institute, University of California, Los Angeles, Los Angeles, CA, USA
| | - Miranda Phan
- Departments of Neurobiology, Psychology, and Psychiatry, Integrative Center for Learning and Memory, and Brain Research Institute, University of California, Los Angeles, Los Angeles, CA, USA
| | - Isaiah Herrera
- Departments of Neurobiology, Psychology, and Psychiatry, Integrative Center for Learning and Memory, and Brain Research Institute, University of California, Los Angeles, Los Angeles, CA, USA
| | - Sunrae Taloma
- Departments of Neurobiology, Psychology, and Psychiatry, Integrative Center for Learning and Memory, and Brain Research Institute, University of California, Los Angeles, Los Angeles, CA, USA
| | - Rochelle Mandanas
- Departments of Neurobiology, Psychology, and Psychiatry, Integrative Center for Learning and Memory, and Brain Research Institute, University of California, Los Angeles, Los Angeles, CA, USA
| | - Karen Bach
- Departments of Neurobiology, Psychology, and Psychiatry, Integrative Center for Learning and Memory, and Brain Research Institute, University of California, Los Angeles, Los Angeles, CA, USA
| | - Michael Gandal
- Department of Neurology, Center for Autism Research and Treatment, Semel Institute, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Daniel H. Geschwind
- Department of Neurology, Center for Autism Research and Treatment, Semel Institute, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Genhong Cheng
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, USA
| | - Andrey Rzhetsky
- Department of Medicine and Human Genetics, Section of Computational Biomedicine and Biomedical Data Science, and Institute for Genomics and Systems Biology, University of Chicago, Chicago, IL, USA
- Department of Medicine, University of Chicago, Chicago, IL, USA
- Department of Human Genetics, University of Chicago, Chicago, IL, USA
| | - Stephanie A. White
- Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, CA, USA
| | - Alcino J. Silva
- Departments of Neurobiology, Psychology, and Psychiatry, Integrative Center for Learning and Memory, and Brain Research Institute, University of California, Los Angeles, Los Angeles, CA, USA
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76
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Maternal Mid-Gestation Cytokine Dysregulation in Mothers of Children with Autism Spectrum Disorder. J Autism Dev Disord 2021; 52:3919-3932. [PMID: 34505185 PMCID: PMC9349096 DOI: 10.1007/s10803-021-05271-7] [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] [Accepted: 09/01/2021] [Indexed: 12/25/2022]
Abstract
Autism spectrum disorder (ASD) is a developmental disorder characterised by deficits in social interactions and communication, with stereotypical and repetitive behaviours. Recent evidence suggests that maternal immune dysregulation may predispose offspring to ASD. Independent samples t-tests revealed downregulation of IL-17A concentrations in cases, when compared to controls, at both 15 weeks (p = 0.02), and 20 weeks (p = 0.02), which persisted at 20 weeks following adjustment for confounding variables. This adds to the growing body of evidence that maternal immune regulation may play a role in foetal neurodevelopment.
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77
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Hunter SK, Hoffman MC, D'Alessandro A, Walker VK, Balser M, Noonan K, Law AJ, Freedman R. Maternal prenatal choline and inflammation effects on 4-year-olds' performance on the Wechsler Preschool and Primary Scale of Intelligence-IV. J Psychiatr Res 2021; 141:50-56. [PMID: 34174557 PMCID: PMC8364874 DOI: 10.1016/j.jpsychires.2021.06.037] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 05/30/2021] [Accepted: 06/15/2021] [Indexed: 01/08/2023]
Abstract
Maternal gestational inflammation from infection, obesity, depression, and adverse childhood experiences negatively affects offspring cognitive development. Choline is a key nutrient in fetal brain development. We investigated whether higher maternal plasma choline concentrations have a positive association with offspring cognition, specifically processing speed, in the presence of inflammation. Forty-eight children were evaluated at 4 years of age. Processing Speed Composite Score on the Wechsler Preschool & Primary Scales of Intelligence was the principal outcome. Maternal C-reactive protein (CRP), a marker of inflammation, and choline plasma concentration had been measured at 16 weeks' gestation. Choline concentrations >7.07μM were compared to lower levels. Mothers with lower choline levels reported more depression and stress. Head circumference was larger for neonates of mothers with higher choline levels. In analyses with maternal CRP, higher maternal choline was associated with higher offspring Processing Speed Composite Scores for both sexes. For males, higher maternal choline competed with the negative association of maternal CRP on Processing Speed. Higher Processing Speed was related to the child's behavioral ratings, with fewer Withdrawn Problems on the Child Behavior Checklist 1 ½-5 years at 4 years and higher Infant Behavior Questionnaire Orienting/Regulation at 3 months of age, consistent with persistent developmental effects. Higher processing speed and decreased problems in social withdrawal are positively associated with prenatal maternal choline. Both lower processing speed and social withdrawal problems are precursors to later mental difficulties. Choline supplementation in pregnancy may mitigate effects of maternal inflammation that contribute to problems in offspring's' cognition and behavior.
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Affiliation(s)
| | - M Camille Hoffman
- Departments of Psychiatry, USA; Departments of Obstetrics and Gynecology, Division of Maternal and Fetal Medicine, USA
| | | | | | | | | | - Amanda J Law
- Departments of Psychiatry, USA; Departments of Cell and Developmental Biology, USA; Departments of Medicine, University of Colorado School of Medicine, Aurora, CO, 80045, USA
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78
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Yang Y, Wang B, Zhong Z, Chen H, Ding W, Hoi MPM. Clonazepam attenuates neurobehavioral abnormalities in offspring exposed to maternal immune activation by enhancing GABAergic neurotransmission. Biochem Pharmacol 2021; 192:114711. [PMID: 34324871 DOI: 10.1016/j.bcp.2021.114711] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 07/23/2021] [Accepted: 07/23/2021] [Indexed: 10/20/2022]
Abstract
Ample evidence indicates that maternal immune activation (MIA) during gestation is linked to an increased risk for neurodevelopmental and psychiatric disorders, such as autism spectrum disorder (ASD), anxiety and depression, in offspring. However, the underlying mechanism for such a link remains largely elusive. Here, we performed RNA sequencing (RNA-seq) to examine the transcriptional profiles changes in mice in response to MIA and identified that the expression of Scn1a gene, encoding the pore-forming α-subunit of the brain voltage-gated sodium channel type-1 (NaV1.1) primarily in fast-spiking inhibitory interneurons, was significantly decreased in the medial prefrontal cortex (mPFC) of juvenile offspring after MIA. Moreover, diminished excitatory drive onto interneurons causes reduction of spontaneous gamma-aminobutyric acid (GABA)ergic neurotransmission in the mPFC of MIA offspring, leading to hyperactivity in this brain region. Remarkably, treatment with low-dose benzodiazepines clonazepam, an agonist of GABAA receptors, completely prevented the behavioral abnormalities, including stereotypies, social deficits, anxiety- and depression-like behavior, via increasing inhibitory neurotransmission as well as decreasing neural activity in the mPFC of MIA offspring. Our results demonstrate that decreased expression of NaV1.1 in the mPFC leads to abnormalities in maternal inflammation-related behaviors and provides a potential therapeutic strategy for the abnormal behavioral phenotypes observed in the offspring exposed to MIA.
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Affiliation(s)
- Youjun Yang
- State Key Laboratory of Quality Research in Chinese Medicine and Institute of Chinese Medical Sciences, University of Macau, Macao 999078, China; School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Baojia Wang
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Zhanqion Zhong
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Hanbin Chen
- State Key Laboratory of Quality Research in Chinese Medicine and Institute of Chinese Medical Sciences, University of Macau, Macao 999078, China
| | - Weijun Ding
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Maggie Pui Man Hoi
- State Key Laboratory of Quality Research in Chinese Medicine and Institute of Chinese Medical Sciences, University of Macau, Macao 999078, China.
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Neuroinflammation in autism spectrum disorders: Exercise as a "pharmacological" tool. Neurosci Biobehav Rev 2021; 129:63-74. [PMID: 34310976 DOI: 10.1016/j.neubiorev.2021.07.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 03/26/2021] [Accepted: 07/21/2021] [Indexed: 02/06/2023]
Abstract
The worldwide prevalence of ASD is around 1%. Although the pathogenesis of ASD is not entirely understood, it is recognized that a combination of genetic, epigenetics, environmental factors and immune system dysfunction can play an essential role in its development. It has been suggested that autism results from the central nervous system derangements due to low-grade chronic inflammatory reactions associated with the immune system activation. ASD individuals have increased microglial activation, density, and increased proinflammatory cytokines in the several brain regions. Autism has no available pharmacological treatments, however there are pedagogical and psychotherapeutic therapies, and pharmacological treatment, that help to control behavioral symptoms. Recent data indicate that exercise intervention programs may improve cognitive and behavioral symptoms in children with ASD. Exercise can also modify inflammatory profiles that will ameliorate associated metabolic disorders. This review highlights the involvement of neuroinflammation in ASD and the beneficial effects of physical exercise on managing ASD symptoms and associated comorbidities.
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80
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Controversies involving the use of SSRIs during pregnancy and the increased risk of having a child with autism spectrum disorders – a case report and literature review. CURRENT PROBLEMS OF PSYCHIATRY 2021. [DOI: 10.2478/cpp-2020-0023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Summary
Introduction: There is an ongoing debate as to whether the use of selective serotonin reuptake inhibitors (SSRIs) by pregnant women increases the risk of developing autism spectrum disorders (ASD) in the offspring.
Aim: The aim of the study was to
1) present, based on a case report, the potential factors that may affect the development of ASD in a child,
2) review the literature on the risk of ASD in the case of using SSRIs by a pregnant woman.
Case report: The case report concerns a child of a 33-year-old patient, previously treated for an episode of depression at the age of 23. At the beginning of the 15th week of planned pregnancy, when she was 28 years old, sleep disturbances were observed. Over the next few weeks, she gradually developed a full-blown depressive syndrome which required the use of sertraline. The child was born through a natural delivery, a healthy boy, who was diagnosed with ASD at the age of 2.5 years, which was the trigger for the development of the third episode of depression in the patient.
Conclusions: The results of the research indicate that SSRIs can penetrate the placental barrier, influencing the processes of serotoninergic transmission in the fetus, disrupting neurodevelopmental processes. On the other hand, a higher risk of ASD development in children of depressed mothers who do not use pharmacotherapy was confirmed, compared to the general population and in the case of the occurrence of depressive episodes in mother in the past and in relation to the male fetuses. The greater risk of ASD in children of mothers who take SSRIs may not only be associated with the medication itself but also with the presence of depression and the probable common genetic basis for both disorders. In each case, other risk factors for the development of ASD should also be taken into consideration, e.g. vitamin D3 deficiencies, unsaturated fatty acids, oxytocin levels, the presence of intestinal dysbiosis.
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81
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Novel treatments for autism spectrum disorder based on genomics and systems biology. Pharmacol Ther 2021; 230:107939. [PMID: 34174273 DOI: 10.1016/j.pharmthera.2021.107939] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 06/03/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND Autism spectrum disorder (ASD) is a highly heterogeneous neurodevelopmental disorder with a complex underlying genetic architecture. There are currently no known pharmacologic treatments for the core ASD symptoms of social deficits and restricted/ repetitive behavior. However, there are dozens of clinical trials currently underway that are testing the impact of novel and existing agents on core and associated symptoms in ASD. METHODS We present a narrative synthesis of the historical and contemporary challenges to drug discovery in ASD. We then provide an overview of novel treatments currently under investigation from a genomics and systems biology perspective. RESULTS Data driven network and cluster analyses suggest alterations in transcriptional regulation, chromatin remodelling, synaptic transmission, neuropeptide signalling, and/or immunological mechanisms may contribute to or underlie the development of ASD. Agents and upcoming trials targeting each of the above listed systems are reviewed. CONCLUSION Identifying effective pharmacologic treatments for the core and associated symptom domains in ASD will require further collaboration and innovation in the areas of outcome measurement, biomarker research, and genomics, as well as systematic efforts to identify and treat subgroups of individuals with ASD who may be differentially responsive to specific treatments.
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Karahoda R, Robles M, Marushka J, Stranik J, Abad C, Horackova H, Tebbens JD, Vaillancourt C, Kacerovsky M, Staud F. Prenatal inflammation as a link between placental expression signature of tryptophan metabolism and preterm birth. Hum Mol Genet 2021; 30:2053-2067. [PMID: 34169316 PMCID: PMC8561419 DOI: 10.1093/hmg/ddab169] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 06/16/2021] [Accepted: 06/17/2021] [Indexed: 01/06/2023] Open
Abstract
Spontaneous preterm birth is a serious medical condition responsible for substantial perinatal morbidity and mortality. Its phenotypic characteristics, preterm labor with intact membranes (PTL) and preterm premature rupture of the membranes (PPROM), are associated with significantly increased risks of neurological and behavioral alterations in childhood and later life. Recognizing the inflammatory milieu associated with PTL and PPROM, here, we examined expression signatures of placental tryptophan metabolism, an important pathway in prenatal brain development and immunotolerance. The study was performed in a well-characterized clinical cohort of healthy term pregnancies (n = 39) and 167 preterm deliveries (PTL, n = 38 and PPROM, n = 129). Within the preterm group, we then investigated potential mechanistic links between differential placental tryptophan pathway expression, preterm birth and both intra-amniotic markers (such as amniotic fluid interleukin-6) and maternal inflammatory markers (such as maternal serum C-reactive protein and white blood cell count). We show that preterm birth is associated with significant changes in placental tryptophan metabolism. Multifactorial analysis revealed similarities in expression patterns associated with multiple phenotypes of preterm delivery. Subsequent correlation computations and mediation analyses identified links between intra-amniotic and maternal inflammatory markers and placental serotonin and kynurenine pathways of tryptophan catabolism. Collectively, the findings suggest that a hostile inflammatory environment associated with preterm delivery underlies the mechanisms affecting placental endocrine/transport functions and may contribute to disruption of developmental programming of the fetal brain.
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Affiliation(s)
- Rona Karahoda
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Kralove, Charles University, Czech Republic
| | - Morgane Robles
- INRS-Centre Armand-Frappier Santé Biotechnologie, 531 Boulevard des Prairies, Laval, QC, Canada
| | - Julia Marushka
- Department of Biophysics and Physical Chemistry, Faculty of Pharmacy in Hradec Kralove, Charles University, Czech Republic
| | - Jaroslav Stranik
- Department of Obstetrics and Gynecology, University Hospital Hradec Kralove, Czech Republic
| | - Cilia Abad
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Kralove, Charles University, Czech Republic
| | - Hana Horackova
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Kralove, Charles University, Czech Republic
| | - Jurjen Duintjer Tebbens
- Department of Biophysics and Physical Chemistry, Faculty of Pharmacy in Hradec Kralove, Charles University, Czech Republic
| | - Cathy Vaillancourt
- INRS-Centre Armand-Frappier Santé Biotechnologie, 531 Boulevard des Prairies, Laval, QC, Canada
| | - Marian Kacerovsky
- Department of Obstetrics and Gynecology, University Hospital Hradec Kralove, Czech Republic
| | - Frantisek Staud
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Kralove, Charles University, Czech Republic
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Brand JS, Lawlor DA, Larsson H, Montgomery S. Association Between Hypertensive Disorders of Pregnancy and Neurodevelopmental Outcomes Among Offspring. JAMA Pediatr 2021; 175:577-585. [PMID: 33749704 PMCID: PMC7985818 DOI: 10.1001/jamapediatrics.2020.6856] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
IMPORTANCE Hypertensive disorders of pregnancy (HDP) have been associated with poorer neurodevelopmental outcomes in offspring, but the role of familial confounding in these associations is unclear. OBJECTIVE To investigate associations of maternal HDP with risks in offspring of autism spectrum disorders (ASDs), attention-deficit/hyperactivity disorder (ADHD), and intellectual disability (ID), as well as variation in overall cognitive performance in offspring. DESIGN, SETTING, AND PARTICIPANTS This Swedish register-based study used data from a birth cohort divided into 1 085 024 individuals born between 1987 and 1996 and followed up until December 31, 2014, and 285 901 men born between 1982 and 1992 who attended assessments for military conscription, including a cognitive function test. Statistical analysis was performed from April 1, 2019, to June 1, 2020. EXPOSURES Diagnoses of HDP, which were provided by the Medical Birth Register. MAIN OUTCOMES AND MEASURES Diagnoses of ASDs, ADHD, and ID were extracted from the National Patient Register. Cognitive function was assessed using written tests and summarized as a single 9-point score. Whole-cohort and within-sibship analyses were performed; the latter accounted for unmeasured familial confounding factors shared by siblings. RESULTS The study included 1 085 024 individuals (556 912 male participants [51.3%]) born between 1987 and 1996 and 285 901 men born between 1982 and 1992 who attended assessments for military conscription. The prevalence of maternal HDP was 4.0% in the 1987-1996 birth cohort (n = 42 980) and 5.1% in the military conscription cohort (n = 14 515). A total of 15 858 participants received a diagnosis of ASD, 36 852 received a diagnosis of ADHD, and 8454 received a diagnosis of ID. The mean (SD) cognitive score among the men in the conscription cohort was 5.1 (1.9). In whole-cohort analyses with multivariable adjustment, HDP were associated with offspring ASDs (hazard ratio [HR], 1.22; 95% CI, 1.13-1.31), ADHD (HR, 1.10; 95% CI, 1.05-1.16), and ID (HR, 1.39; 95% CI, 1.27-1.53). Analyses comparing siblings discordant for HDP were less statistically powered but indicated estimates of similar magnitude for ASDs (HR, 1.19; 95% CI, 1.00-1.42) and possibly ADHD (HR, 1.09; 95% CI, 0.95-1.24), but not for ID (HR, 1.04; 95% CI, 0.83-1.29). Hypertensive disorders of pregnancy were associated with somewhat lower cognitive scores in whole-cohort analysis (mean difference comparing offspring exposed with those unexposed, -0.10; 95% CI, -0.13 to -0.07), but in within-sibship analysis, the association was null (mean difference, 0.00; 95% CI, -0.09 to 0.08). CONCLUSIONS AND RELEVANCE The study results suggest that HDP are associated with small increased risks of ASDs and possibly ADHD in offspring, whereas associations with ID and cognitive performance are likely confounded by shared familial (environmental or genetic) factors.
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Affiliation(s)
- Judith S. Brand
- Clinical Epidemiology and Biostatistics, School of Medical Sciences, Örebro University, Örebro, Sweden,Medical Research Council Integrative Epidemiology Unit, University of Bristol, Bristol, United Kingdom,Population Health Sciences, Bristol Medical School, Bristol, United Kingdom
| | - Deborah A. Lawlor
- Medical Research Council Integrative Epidemiology Unit, University of Bristol, Bristol, United Kingdom,Population Health Sciences, Bristol Medical School, Bristol, United Kingdom
| | - Henrik Larsson
- School of Medical Sciences, Örebro University, Örebro, Sweden,Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Scott Montgomery
- Clinical Epidemiology and Biostatistics, School of Medical Sciences, Örebro University, Örebro, Sweden,Clinical Epidemiology Division, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden,Department of Epidemiology and Public Health, University College London, London, United Kingdom
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84
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Hoffman MC, Freedman R, Law AJ, Clark AM, Hunter SK. Maternal nutrients and effects of gestational COVID-19 infection on fetal brain development. Clin Nutr ESPEN 2021; 43:1-8. [PMID: 34024500 PMCID: PMC8144544 DOI: 10.1016/j.clnesp.2021.04.019] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 04/20/2021] [Indexed: 12/18/2022]
Abstract
BACKGROUND & AIMS Maternal gestational infection is a well-characterized risk factor for offsprings' development of mental disorders including schizophrenia, autism, and attention deficit disorder. The inflammatory response elicited by the infection is partly directed against the placenta and fetus and is the putative pathogenic mechanism for fetal brain developmental abnormalities. Fetal brain abnormalities are generally irreversible after birth and increase risk for later mental disorders. Maternal immune activation in animals models this pathophysiology. SARS-CoV-2 produces maternal inflammatory responses during pregnancy similar to previously studied common respiratory viruses. METHOD Choline, folic acid, Vitamin D, and n-3 polyunsaturated fatty acids are among the nutrients that have been studied as possible mitigating factors for effects of maternal infection and inflammation on fetal development. Clinical and animal studies relevant to their use in pregnant women who have been infected are reviewed. RESULTS Higher maternal choline levels have positive effects on the development of brain function for infants of mothers who experienced viral infections in early pregnancy. No other nutrient has been studied in the context of viral inflammation. Vitamin D reduces pro-inflammatory cytokines in some, but not all, studies. Active folic acid metabolites decrease anti-inflammatory cytokines. N-3 polyunsaturated fatty acids have no effect. CONCLUSIONS Vitamin D and folic acid are already supplemented in food additives and in prenatal vitamins. Despite recommendations by several public health agencies and medical societies, choline intake is often inadequate in early gestation when the brain is forming. A public health initiative for choline supplements during the pandemic could be helpful for women planning or already pregnant who also become exposed or infected with SARS-CoV-2.
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Affiliation(s)
- M Camille Hoffman
- Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, University of Colorado Denver School of Medicine, Mail Stop F-546, Anschutz Medical Center, Aurora, CO, 80045, USA; Department of Psychiatry, University of Colorado Denver School of Medicine, Mail Stop F-546, Anschutz Medical Center, Aurora, CO, 80045, USA.
| | - Robert Freedman
- Department of Psychiatry, University of Colorado Denver School of Medicine, Mail Stop F-546, Anschutz Medical Center, Aurora, CO, 80045, USA.
| | - Amanda J Law
- Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, University of Colorado Denver School of Medicine, Mail Stop F-546, Anschutz Medical Center, Aurora, CO, 80045, USA; Department of Psychiatry, University of Colorado Denver School of Medicine, Mail Stop F-546, Anschutz Medical Center, Aurora, CO, 80045, USA; Department of Cell and Developmental Biology, University of Colorado Denver School of Medicine, Mail Stop F-546, Anschutz Medical Center, Aurora, CO, 80045, USA; Department of Medicine, University of Colorado Denver School of Medicine, Mail Stop F-546, Anschutz Medical Center, Aurora, CO, 80045, USA.
| | - Alena M Clark
- Department of Nutrition and Dietetics, Campus Box 93, University of Northern Colorado, Greeley, CO, 80639, USA.
| | - Sharon K Hunter
- Department of Psychiatry, University of Colorado Denver School of Medicine, Mail Stop F-546, Anschutz Medical Center, Aurora, CO, 80045, USA.
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da Silveira D, Rabelo NN, de Sena Barbosa MG, Frigeri G, Vellosa JCR. Intracranial pressure and laboratory parameters in high- and low-risk pregnant women. Surg Neurol Int 2021; 12:250. [PMID: 34221581 PMCID: PMC8247669 DOI: 10.25259/sni_109_2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 04/08/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Pregnancy can trigger several pathological changes, thus representing a great challenge for gynecology and obstetrics. The objective is to evaluate high- and low-risk pregnant women through Intracranial pressure (ICP) and laboratory parameters. METHODS Volunteers clinical and laboratory data were collected from medical records and ICP was monitored through noninvasive method. RESULTS Statistically significant differences were observed between the group of high-risk and low-risk pregnant women for serum levels of alkaline phosphatase (ALP) and US-C-reactive protein (CRP) and a statistically positive association between blood pressure (BP) levels and plasma glucose. About 12.77% of the volunteers presented altered ICP. Higher BP values were encountered with the higher plasma glucose values. All ICP altered volunteers presented altered BP. ALP is among the most effective biochemical markers for assessing the risk of premature birth before 32 weeks of gestation. CONCLUSION We have observed important changes on BP, serum glucose, US-CRP, and ALP thus indicating higher risk of complications during pregnancy. Even more, some of the volunteers presented altered ICP what could indicate cerebral compliance changes.
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Affiliation(s)
- Daniel da Silveira
- Graduate Program of Biomedical Sciences, State University of Ponta Grossa, Ponta Grossa, Paraná, , Brazil
| | - Nícollas Nunes Rabelo
- Department of Neurosurgery, Atenas School of Medicine, Passos, Minas Gerais, Paraná, Brazil
| | | | - Gustavo Frigeri
- Braincare Technological Development and Innovation LTDA, São Carlos-SP, Paraná, Brazil
| | - José Carlos Rebuglio Vellosa
- Graduate Program of Biomedical Sciences, State University of Ponta Grossa, Ponta Grossa, Paraná, , Brazil
- Braincare Technological Development and Innovation LTDA, São Carlos-SP, Paraná, Brazil
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Diet-induced dysbiosis of the maternal gut microbiome in early life programming of neurodevelopmental disorders. Neurosci Res 2021; 168:3-19. [PMID: 33992660 DOI: 10.1016/j.neures.2021.05.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 05/10/2021] [Accepted: 05/10/2021] [Indexed: 12/12/2022]
Abstract
The maternal gut microbiome plays a critical role in fetal and early postnatal development, shaping fundamental processes including immune maturation and brain development, among others. Consequently, it also contributes to fetal programming of health and disease. Over the last decade, epidemiological studies and work in preclinical animal models have begun to uncover a link between dysbiosis of the maternal gut microbiome and neurodevelopmental disorders in offspring. Neurodevelopmental disorders are caused by both genetic and environmental factors, and their interactions; however, clinical heterogeneity, phenotypic variability, and comorbidities make identification of underlying mechanisms difficult. Among environmental factors, exposure to maternal obesity in utero confers a significant increase in risk for neurodevelopmental disorders. Obesogenic diets in humans, non-human primates, and rodents induce functional modifications in maternal gut microbiome composition, which animal studies suggest are causally related to adverse mental health outcomes in offspring. Here, we review evidence linking maternal diet-induced gut dysbiosis to neurodevelopmental disorders and discuss how it could affect pre- and early postnatal brain development. We are hopeful that this burgeoning field of research will revolutionize antenatal care by leading to accessible prophylactic strategies, such as prenatal probiotics, to improve mental health outcomes in children affected by maternal diet-induced obesity.
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87
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Zürcher NR, Loggia ML, Mullett JE, Tseng C, Bhanot A, Richey L, Hightower BG, Wu C, Parmar AJ, Butterfield RI, Dubois JM, Chonde DB, Izquierdo-Garcia D, Wey HY, Catana C, Hadjikhani N, McDougle CJ, Hooker JM. [ 11C]PBR28 MR-PET imaging reveals lower regional brain expression of translocator protein (TSPO) in young adult males with autism spectrum disorder. Mol Psychiatry 2021; 26:1659-1669. [PMID: 32076115 PMCID: PMC8159742 DOI: 10.1038/s41380-020-0682-z] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 01/12/2020] [Accepted: 02/06/2020] [Indexed: 12/19/2022]
Abstract
Mechanisms of neuroimmune and mitochondrial dysfunction have been repeatedly implicated in autism spectrum disorder (ASD). To examine these mechanisms in ASD individuals, we measured the in vivo expression of the 18 kDa translocator protein (TSPO), an activated glial marker expressed on mitochondrial membranes. Participants underwent scanning on a simultaneous magnetic resonance-positron emission tomography (MR-PET) scanner with the second-generation TSPO radiotracer [11C]PBR28. By comparing TSPO in 15 young adult males with ASD with 18 age- and sex-matched controls, we showed that individuals with ASD exhibited lower regional TSPO expression in several brain regions, including the bilateral insular cortex, bilateral precuneus/posterior cingulate cortex, and bilateral temporal, angular, and supramarginal gyri, which have previously been implicated in autism in functional MR imaging studies. No brain region exhibited higher regional TSPO expression in the ASD group compared with the control group. A subset of participants underwent a second MR-PET scan after a median interscan interval of 3.6 months, and we determined that TSPO expression over this period of time was stable and replicable. Furthermore, voxelwise analysis confirmed lower regional TSPO expression in ASD at this later time point. Lower TSPO expression in ASD could reflect abnormalities in neuroimmune processes or mitochondrial dysfunction.
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Affiliation(s)
- N R Zürcher
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, USA.
- Harvard Medical School, Boston, MA, USA.
| | - M L Loggia
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - J E Mullett
- Lurie Center for Autism, Massachusetts General Hospital, Lexington, MA, USA
| | - C Tseng
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - A Bhanot
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, USA
| | - L Richey
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, USA
| | - B G Hightower
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, USA
| | - C Wu
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, USA
| | - A J Parmar
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, USA
| | - R I Butterfield
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, USA
| | - J M Dubois
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - D B Chonde
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - D Izquierdo-Garcia
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - H Y Wey
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - C Catana
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - N Hadjikhani
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, USA
- Harvard Medical School, Boston, MA, USA
- Gillberg Neuropsychiatry Center, University of Gothenburg, Sahlgrenska Academy, Gothenburg, Sweden
| | - C J McDougle
- Harvard Medical School, Boston, MA, USA
- Lurie Center for Autism, Massachusetts General Hospital, Lexington, MA, USA
| | - J M Hooker
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, USA.
- Harvard Medical School, Boston, MA, USA.
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Ben-Reuven L, Reiner O. Dynamics of cortical progenitors and production of subcerebral neurons are altered in embryos of a maternal inflammation model for autism. Mol Psychiatry 2021; 26:1535-1550. [PMID: 31740755 DOI: 10.1038/s41380-019-0594-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Revised: 10/28/2019] [Accepted: 11/05/2019] [Indexed: 11/09/2022]
Abstract
The broad impairments in cognitive and neurologic functioning found in Autism Spectrum Disorder (ASD) patients are thought to originate during early prenatal developmental stages. Indeed, postmortem and imaging studies in ASD patients detected white-matter abnormalities, as well as prefrontal and temporal cortex deficits, evident from early childhood. Here, we used Maternal Immune Activation (MIA), a mouse model for ASD, in which the offsprings exhibit Autistic-like behaviors as well as cortical abnormalities. However, the dynamics that influence the number and the identity of newly born cortical neurons following maternal inflammation remains unknown. Our study shows early changes in the duration of the S-phase of PAX6+ progenitors, leading to an increased proportion of neurogenic divisions and a reciprocal decrease in the proliferative divisions. In two different time points of maternal inflammation, MIA resulted in an overproduction of CTIP2+ cortical neurons, which remained overrepresented at the end of gestation and in postnatal mice. Interestingly, MIA-resistant IL6-KO mice did not exhibit these changes. Lastly, we propose that elevated levels of the transcription factor PAX6 following MIA supports the overproduction of CTIP2+ neurons. Taken together, our data reveals a possible link between maternal immune activation and the excess of cortical neurons found in the cortex of ASD patients.
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Affiliation(s)
- Lihi Ben-Reuven
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel
| | - Orly Reiner
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel.
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Granja MG, Oliveira ACDR, de Figueiredo CS, Gomes AP, Ferreira EC, Giestal-de-Araujo E, de Castro-Faria-Neto HC. SARS-CoV-2 Infection in Pregnant Women: Neuroimmune-Endocrine Changes at the Maternal-Fetal Interface. Neuroimmunomodulation 2021; 28:1-21. [PMID: 33910207 PMCID: PMC8247841 DOI: 10.1159/000515556] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 02/23/2021] [Indexed: 12/15/2022] Open
Abstract
Coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome-related coronavirus 2 (SARS-CoV-2) has devastating effects on the population worldwide. Given this scenario, the extent of the impact of the disease on more vulnerable individuals, such as pregnant women, is of great concern. Although pregnancy may be a risk factor in respiratory virus infections, there are no considerable differences regarding COVID-19 severity observed between pregnant and nonpregnant women. In these circumstances, an emergent concern is the possibility of neurodevelopmental and neuropsychiatric harm for the offspring of infected mothers. Currently, there is no stronger evidence indicating vertical transmission of SARS-CoV-2; however, the exacerbated inflammatory response observed in the disease could lead to several impairments in the offspring's brain. Furthermore, in the face of historical knowledge on possible long-term consequences for the progeny's brain after infection by viruses, we must consider that this might be another deleterious facet of COVID-19. In light of neuroimmune interactions at the maternal-fetal interface, we review here the possible harmful outcomes to the offspring brains of mothers infected by SARS-CoV-2.
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Affiliation(s)
- Marcelo Gomes Granja
- Molecular and Cellular Biology Program, Federal University of State of Rio de Janeiro − UNIRIO, Rio de Janeiro, Rajasthan, Brazil
- Immunopharmacology Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation − Fiocruz, Rio de Janeiro, Rajasthan, Brazil
| | | | | | - Alex Portes Gomes
- Medical Science Program, Neurology and Neuroscience, Fluminense Federal University − UFF, Niterói, Rajasthan, Brazil
| | - Erica Camila Ferreira
- Immunopharmacology Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation − Fiocruz, Rio de Janeiro, Rajasthan, Brazil
| | - Elizabeth Giestal-de-Araujo
- Neuroscience Program, Fluminense Federal University − UFF, Niterói, Rajasthan, Brazil
- National Institute of Technology-Neuroimmunomodulation − INCT-NIM, Rio de Janeiro, Rajasthan, Brazil
| | - Hugo Caire de Castro-Faria-Neto
- Immunopharmacology Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation − Fiocruz, Rio de Janeiro, Rajasthan, Brazil
- National Institute of Technology-Neuroimmunomodulation − INCT-NIM, Rio de Janeiro, Rajasthan, Brazil
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Perry BI, Zammit S, Jones PB, Khandaker GM. Childhood inflammatory markers and risks for psychosis and depression at age 24: Examination of temporality and specificity of association in a population-based prospective birth cohort. Schizophr Res 2021; 230:69-76. [PMID: 33684738 PMCID: PMC8224182 DOI: 10.1016/j.schres.2021.02.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 01/29/2021] [Accepted: 02/16/2021] [Indexed: 12/27/2022]
Abstract
BACKGROUND Cross-sectional studies have reported elevated concentrations of inflammatory markers in psychosis and depression. However, questions regarding temporality and specificity of association, crucial for understanding the potential role of inflammation, remain. METHODS Based on 2224 ALSPAC birth cohort participants, we used regression analyses to test associations of interleukin-6 (IL-6) and C-reactive protein (CRP) levels at age 9 with risks for psychosis (psychotic experiences; negative symptoms; psychotic disorder), and depression (depressive episode; symptom score) at age 24. Regression models were adjusted for sex, ethnicity, social class and body mass index. We tested for linearity (using quadratic terms) and specificity (using bi-variate probit regression) of association, and used multiple imputation to explore the impact of missing data. RESULTS After adjustments, higher IL-6 levels at age 9 were associated with increased risk of psychotic disorder (OR = 1.56; 95% C.I., 1.09-2.21 per SD increase in IL-6; OR=2.60; 95% C.I., 1.04-6.53 for the top compared with bottom third of IL-6) and depressive episode (OR = 1.14; 95% C.I., 0.99-1.32 per SD increase in IL-6; OR = 1.49; 95% C.I., 1.02-2.18 for the top compared with bottom third of IL-6). IL-6 was associated with negative symptoms after adjusting for depression (β = 0.09; 95% C.I., 0.01-0.22). There was no evidence for outcome-specific associations of IL-6. Childhood CRP was not associated with adult psychosis or depression. CONCLUSIONS Evidence for similar, longitudinal, dose-response associations suggest that elevated childhood IL-6 could be a shared risk factor for adult psychosis and depression. The IL-6 pathway may represent a novel target for treatment and prevention of these disorders.
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Affiliation(s)
- Benjamin I Perry
- Department of Psychiatry, University of Cambridge School of Clinical Medicine, Cambridge, UK; Cambridgeshire and Peterborough NHS Foundation Trust, Cambridge, UK.
| | - Stanley Zammit
- Centre for Academic Mental Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK; MRC Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, Cardiff, UK
| | - Peter B Jones
- Department of Psychiatry, University of Cambridge School of Clinical Medicine, Cambridge, UK; Cambridgeshire and Peterborough NHS Foundation Trust, Cambridge, UK
| | - Golam M Khandaker
- Department of Psychiatry, University of Cambridge School of Clinical Medicine, Cambridge, UK; Cambridgeshire and Peterborough NHS Foundation Trust, Cambridge, UK; Centre for Academic Mental Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK; MRC Integrative Epidemiology Unit, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK; Avon and Wiltshire Mental Health Partnership NHS Trust, UK
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Dietary Quality and Dietary Inflammatory Potential During Pregnancy and Offspring Emotional and Behavioral Symptoms in Childhood: An Individual Participant Data Meta-analysis of Four European Cohorts. Biol Psychiatry 2021; 89:550-559. [PMID: 33358009 DOI: 10.1016/j.biopsych.2020.10.008] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 09/23/2020] [Accepted: 10/10/2020] [Indexed: 12/29/2022]
Abstract
BACKGROUND The impact of maternal diet during pregnancy on child neurodevelopment is of public health and clinical relevance. We evaluated the associations of dietary quality based on the Dietary Approaches to Stop Hypertension (DASH) score and dietary inflammatory potential based on the energy-adjusted Dietary Inflammatory Index (E-DII) score during pregnancy with emotional and behavioral symptoms of offspring at 7 to 10 years of age. METHODS Individual participant data for 11,870 mother-child pairs from four European cohorts participating in the ALPHABET project were analyzed. Maternal antenatal DASH and E-DII scores were generated from self-completed food frequency questionnaires. Symptoms of depression and anxiety, aggressive behavior, and attention-deficit/hyperactivity disorder in children were assessed using mother-reported tests and classified within the normal or borderline/clinical ranges using validated cutoffs. Adjusted odds ratios were determined by multivariable logistic regression models and aggregated by the two-level individual participant data meta-analysis method. RESULTS Higher maternal DASH scores (indicating better dietary quality) were associated with lower risk of depressive and anxiety symptoms, aggressive behavior symptoms, and attention-deficit/hyperactivity disorder symptoms within the borderline/clinical ranges: odds ratio [OR] 0.97, 95% confidence interval [CI], 0.95-0.99; OR 0.97, 95% CI, 0.94-0.99; OR 0.97, 95% CI, 0.95-0.98, per one-unit DASH score increase, respectively. For depression and anxiety, aggressive behavior, and attention-deficit/hyperactivity disorder symptoms, a one-unit increase in E-DII scores (a more proinflammatory diet) was associated with a 7% increased risk of all three analyzed emotional and behavioral symptoms: OR 1.07, 95% CI, 1.03-1.11; OR 1.07, 95% CI, 1.02-1.13; OR 1.07, 95% CI, 1.01-1.13, respectively. CONCLUSIONS Our findings suggest that a maternal low-quality and proinflammatory diet may increase the risk of emotional and behavioral symptoms in children.
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92
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Gardner RM, Lee BK, Brynge M, Sjöqvist H, Dalman C, Karlsson H. Neonatal Levels of Acute Phase Proteins and Risk of Autism Spectrum Disorder. Biol Psychiatry 2021; 89:463-475. [PMID: 33187600 DOI: 10.1016/j.biopsych.2020.09.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 09/03/2020] [Accepted: 09/03/2020] [Indexed: 12/27/2022]
Abstract
BACKGROUND Immune signaling pathways influence neurodevelopment and are hypothesized to contribute to the etiology of autism spectrum disorder (ASD). We aimed to assess risk of ASD in relation to levels of neonatal acute phase proteins (APPs), key components of innate immune function, measured in neonatal dried blood spots. METHODS We included 924 ASD cases, 1092 unaffected population-based controls, and 203 unaffected siblings of ASD cases in this case-control study nested within the register-based Stockholm Youth Cohort. Concentrations of 9 different APPs were measured in eluates from neonatal dried blood spots from cases, controls, and siblings using a bead-based multiplex assay. RESULTS Neonatal C-reactive protein was consistently associated with odds of ASD in case-control comparisons, with higher odds associated with the highest quintile compared with the middle quintile (odds ratio [OR] = 1.50, 95% confidence interval [CI] = 1.10-2.04) in adjusted analyses. In contrast, the lowest quintiles of α-2-macroglobulin (OR = 3.71, CI = 1.21-11.33), ferritin (OR = 4.20, CI = 1.40-12.65), and serum amyloid P (OR = 3.05, CI = 1.16-8.01) were associated with odds of ASD in the matched sibling comparison. Neonatal APPs varied with perinatal environmental factors and maternal/fetal phenotypes. Significant interactions in terms of risk for ASD were observed between neonatal APPs and maternal infection during late pregnancy, maternal anemia, and maternal psychiatric history. CONCLUSIONS Indicators of the neonatal innate immune response are associated with risk of ASD, although the nature of these associations varies considerably with factors in the perinatal environment and the genetic background of the comparison group.
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Affiliation(s)
- Renee M Gardner
- Department of Global Public Health, Karolinska Institutet, Stockholm, Sweden.
| | - Brian K Lee
- Department of Global Public Health, Karolinska Institutet, Stockholm, Sweden; Department of Epidemiology and Biostatistics, Drexel University School of Public Health, Philadelphia, Pennsylvania; A.J. Drexel Autism Institute, Philadelphia, Pennsylvania
| | - Martin Brynge
- Department of Global Public Health, Karolinska Institutet, Stockholm, Sweden
| | - Hugo Sjöqvist
- Department of Global Public Health, Karolinska Institutet, Stockholm, Sweden
| | - Christina Dalman
- Department of Global Public Health, Karolinska Institutet, Stockholm, Sweden; Centre for Epidemiology and Community Medicine, Stockholm County Council, Stockholm, Sweden
| | - Håkan Karlsson
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
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93
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Hunter SK, Hoffman MC, D'Alessandro A, Noonan K, Wyrwa A, Freedman R, Law AJ. Male fetus susceptibility to maternal inflammation: C-reactive protein and brain development. Psychol Med 2021; 51:450-459. [PMID: 31787129 PMCID: PMC7263978 DOI: 10.1017/s0033291719003313] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND Maternal inflammation in early pregnancy has been identified epidemiologically as a prenatal pathogenic factor for the offspring's later mental illness. Early newborn manifestations of the effects of maternal inflammation on human fetal brain development are largely unknown. METHODS Maternal infection, depression, obesity, and other factors associated with inflammation were assessed at 16 weeks gestation, along with maternal C-reactive protein (CRP), cytokines, and serum choline. Cerebral inhibition was assessed by inhibitory P50 sensory gating at 1 month of age, and infant behavior was assessed by maternal ratings at 3 months of age. RESULTS Maternal CRP diminished the development of cerebral inhibition in newborn males but paradoxically increased inhibition in females. Similar sex-dependent effects were seen in mothers' assessment of their infant's self-regulatory behaviors at 3 months of age. Higher maternal choline levels partly mitigated the effect of CRP in male offspring. CONCLUSIONS The male fetal-placental unit appears to be more sensitive to maternal inflammation than females. Effects are particularly marked on cerebral inhibition. Deficits in cerebral inhibition 1 month after birth, similar to those observed in several mental illnesses, including schizophrenia, indicate fetal developmental pathways that may lead to later mental illness. Deficits in early infant behavior follow. Early intervention before birth, including prenatal vitamins, folate, and choline supplements, may help prevent fetal development of pathophysiological deficits that can have life-long consequences for mental health.
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Affiliation(s)
- Sharon K Hunter
- Departments of Psychiatry, University of Colorado Denver School of Medicine, Aurora, Colorado80045, USA
| | - M Camille Hoffman
- Departments of Psychiatry, University of Colorado Denver School of Medicine, Aurora, Colorado80045, USA
- Obstetrics and Gynecology, Division of Maternal and Fetal Medicine, University of Colorado Denver School of Medicine, Aurora, Colorado80045, USA
| | - Angelo D'Alessandro
- Biochemistry and Molecular Genetics, University of Colorado Denver School of Medicine, Aurora, Colorado80045, USA
| | - Kathleen Noonan
- Departments of Psychiatry, University of Colorado Denver School of Medicine, Aurora, Colorado80045, USA
| | - Anna Wyrwa
- Departments of Psychiatry, University of Colorado Denver School of Medicine, Aurora, Colorado80045, USA
| | - Robert Freedman
- Departments of Psychiatry, University of Colorado Denver School of Medicine, Aurora, Colorado80045, USA
| | - Amanda J Law
- Departments of Psychiatry, University of Colorado Denver School of Medicine, Aurora, Colorado80045, USA
- Cell and Developmental Biology, University of Colorado Denver School of Medicine, Aurora, Colorado80045, USA
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94
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Barron A, McCarthy CM, O'Keeffe GW. Preeclampsia and Neurodevelopmental Outcomes: Potential Pathogenic Roles for Inflammation and Oxidative Stress? Mol Neurobiol 2021; 58:2734-2756. [PMID: 33492643 DOI: 10.1007/s12035-021-02290-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 01/12/2021] [Indexed: 12/13/2022]
Abstract
Preeclampsia (PE) is a common and serious hypertensive disorder of pregnancy that occurs in approximately 3-5% of first-time pregnancies and is a well-known leading cause of maternal and neonatal mortality and morbidity. In recent years, there has been accumulating evidence that in utero exposure to PE acts as an environmental risk factor for various neurodevelopmental disorders, particularly autism spectrum disorder and ADHD. At present, the mechanism(s) mediating this relationship are uncertain. In this review, we outline the most recent evidence implicating a causal role for PE exposure in the aetiology of various neurodevelopmental disorders and provide a novel interpretation of neuroanatomical alterations in PE-exposed offspring and how these relate to their sub-optimal neurodevelopmental trajectory. We then postulate that inflammation and oxidative stress, two prominent features of the pathophysiology of PE, are likely to play a major role in mediating this association. The increased inflammation in the maternal circulation, placenta and fetal circulation in PE expose the offspring to both prenatal maternal immune activation-a risk factor for neurodevelopmental disorders, which has been well-characterised in animal models-and directly higher concentrations of pro-inflammatory cytokines, which adversely affect neuronal development. Similarly, the exaggerated oxidative stress in the mother, placenta and foetus induces the placenta to secrete factors deleterious to neurons, and exposes the fetal brain to directly elevated oxidative stress and thus adversely affects neurodevelopmental processes. Finally, we describe the interplay between inflammation and oxidative stress in PE, and how both systems interact to potentially alter neurodevelopmental trajectory in exposed offspring.
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Affiliation(s)
- Aaron Barron
- Department of Anatomy and Neuroscience, University College, Cork, Ireland.,Department of Pharmacology and Therapeutics, University College Cork, Cork, Ireland
| | - Cathal M McCarthy
- Department of Pharmacology and Therapeutics, University College Cork, Cork, Ireland.
| | - Gerard W O'Keeffe
- Department of Anatomy and Neuroscience, University College, Cork, Ireland. .,Cork Neuroscience Centre, University College Cork, Cork, Ireland.
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95
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Hashimoto K. Risk of neuropsychiatric disorders in offspring of COVID-19-infected pregnant women and nutritional intervention. Eur Arch Psychiatry Clin Neurosci 2021; 271:387-389. [PMID: 32488522 PMCID: PMC7264960 DOI: 10.1007/s00406-020-01148-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Accepted: 05/29/2020] [Indexed: 12/28/2022]
Affiliation(s)
- Kenji Hashimoto
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, Chiba, 260-8670, Japan.
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96
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Zhao X, Zhang R, Yu S. Mutation screening of the UBE3A gene in Chinese Han population with autism. BMC Psychiatry 2020; 20:589. [PMID: 33308194 PMCID: PMC7733270 DOI: 10.1186/s12888-020-03000-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Accepted: 12/03/2020] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND 15q11-13 region is one of the most complex chromosomal regions in the human genome. UBE3A is an important candidate gene of autism spectrum disorder (ASD), which located at the 15q11-13 region and encodes ubiquitin-protein ligase E3A. Previous studies about UBE3A gene and ASD have shown inconsistent results and few studies were performed in Chinese population. This study aimed to detect the genetic mutations of UBE3A gene in Chinese Han population with ASD and analyze genetic association between these variants and ASD. METHODS The samples consisted of 192 patients with autism according to the DSM-IV diagnostic criteria and 192 healthy controls. We searched for mutations at coding sequence (CDS) regions and their adjacent non-coding regions of UBE3A gene using the high resolution melting (HRM) and Sanger sequencing methods. We further increased sample size to validate the detected variants using HRM and conducted association analysis between case and control groups. RESULTS A known single nucleotide polymorphism (T > C, rs150331504) located at the CDS4 and a known 5 bp insertion/deletion variation (AACTC+/-, rs71127053) located at the intron region of the upstream 288 bp of the CDS2 of UBE3A gene were detected using Sanger sequencing method. The ASD samples of case group were 391 for rs71127053, 384 for rs150331504 and 384 healthy controls, which were used to make an association analysis. The results of association analysis suggested that there were no significant difference about the allele and genotype frequencies of rs71127053 and rs150331504 between case and control groups after extending the sample size. Besides, rs150331504 is a synonymous mutation and we compared the secondary structure and minimum free energy (MFE) of mRNA harboring the allele T or C of rs150331504 using RNAfold software. We found that the centroid secondary structure apparently differs along with the polymorphisms of rs150331504 T > C, the results suggested that this variant might change the secondary structure of mRNA of UBE3A gene. We did not detect mutations in other coding regions of UBE3A gene. CONCLUSIONS These findings showed that UBE3A gene might not be a major disease gene in Chinese ASD cases.
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Affiliation(s)
- Xue Zhao
- grid.16821.3c0000 0004 0368 8293Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 Wanping Nan Road, Shanghai, 200030 China
| | - Ran Zhang
- grid.16821.3c0000 0004 0368 8293Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 Wanping Nan Road, Shanghai, 200030 China
| | - Shunying Yu
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 Wanping Nan Road, Shanghai, 200030, China.
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97
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Morgan JE, Lee SS, Mahrer NE, Guardino CM, Davis EP, Shalowitz MU, Ramey SL, Dunkel Schetter C. Prenatal maternal C-reactive protein prospectively predicts child executive functioning at ages 4-6 years. Dev Psychobiol 2020; 62:1111-1123. [PMID: 32441781 PMCID: PMC7680271 DOI: 10.1002/dev.21982] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Revised: 04/01/2020] [Accepted: 04/09/2020] [Indexed: 11/08/2022]
Abstract
This prospective longitudinal study evaluated multiple maternal biomarkers from the preconception and prenatal periods as time-sensitive predictors of child executive functioning (EF) in 100 mother-child dyads. Maternal glycated hemoglobin (HbA1C ), C-reactive protein (CRP), and blood pressure (BP) were assayed before pregnancy and during the second and third trimesters. Subsequently, children were followed from birth and assessed for EF (i.e. cognitive flexibility, response inhibition) at ages 4-6 years. Perinatal data were also extracted from neonatal records. Higher maternal CRP, but not maternal HbA1C or BP, uniquely predicted poorer child cognitive flexibility, even with control of maternal HbA1C and BP, relevant demographic factors, and multiple prenatal/perinatal covariates (i.e. preconception maternal body mass index, maternal depression, maternal age at birth, child birth weight, child birth order, child gestational age, and child birth/neonatal complications). Predictions from maternal CRP were specific to the third trimester, and third trimester maternal CRP robustly predicted child cognitive flexibility independently of preconception and second trimester CRP. Child response inhibition was unrelated to maternal biomarkers from all time points. These findings provide novel, prospective evidence that maternal inflammation uniquely predicts child cognitive flexibility deficits, and that these associations depend on the timing of exposure before or during pregnancy.
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Affiliation(s)
- Julia E Morgan
- Department of Psychology, University of California, Los Angeles, CA, USA
- Department of Psychiatry, University of California, San Francisco, CA, USA
| | - Steve S Lee
- Department of Psychology, University of California, Los Angeles, CA, USA
| | - Nicole E Mahrer
- Department of Psychology, University of California, Los Angeles, CA, USA
| | | | - Elysia Poggi Davis
- Department of Psychology, University of Denver, Denver, CO, USA
- Department of Psychiatry and Human Behavior, University of California, Irvine, CA, USA
| | - Madeleine U Shalowitz
- Department of Pediatrics, NorthShore University HealthSystem Research Institute, Evanston, IL, USA
- Department of Pediatrics, University of Chicago, Chicago, IL, USA
| | - Sharon L Ramey
- Virginia Tech Carilion Research Institute, Virginia Tech, Blacksburg, VA, USA
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Masini E, Loi E, Vega-Benedetti AF, Carta M, Doneddu G, Fadda R, Zavattari P. An Overview of the Main Genetic, Epigenetic and Environmental Factors Involved in Autism Spectrum Disorder Focusing on Synaptic Activity. Int J Mol Sci 2020; 21:ijms21218290. [PMID: 33167418 PMCID: PMC7663950 DOI: 10.3390/ijms21218290] [Citation(s) in RCA: 103] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/28/2020] [Accepted: 10/30/2020] [Indexed: 12/11/2022] Open
Abstract
Autism spectrum disorder (ASD) is a neurodevelopmental disorder that affects social interaction and communication, with restricted interests, activity and behaviors. ASD is highly familial, indicating that genetic background strongly contributes to the development of this condition. However, only a fraction of the total number of genes thought to be associated with the condition have been discovered. Moreover, other factors may play an important role in ASD onset. In fact, it has been shown that parental conditions and in utero and perinatal factors may contribute to ASD etiology. More recently, epigenetic changes, including DNA methylation and micro RNA alterations, have been associated with ASD and proposed as potential biomarkers. This review aims to provide a summary of the literature regarding ASD candidate genes, mainly focusing on synapse formation and functionality and relevant epigenetic and environmental aspects acting in concert to determine ASD onset.
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Affiliation(s)
- Elena Masini
- Department of Biomedical Sciences, Unit of Biology and Genetics, University of Cagliari, 09042 Cagliari, Italy; (E.M.); (E.L.); (A.F.V.-B.)
| | - Eleonora Loi
- Department of Biomedical Sciences, Unit of Biology and Genetics, University of Cagliari, 09042 Cagliari, Italy; (E.M.); (E.L.); (A.F.V.-B.)
| | - Ana Florencia Vega-Benedetti
- Department of Biomedical Sciences, Unit of Biology and Genetics, University of Cagliari, 09042 Cagliari, Italy; (E.M.); (E.L.); (A.F.V.-B.)
| | - Marinella Carta
- Center for Pervasive Developmental Disorders, Azienda Ospedaliera Brotzu, 09121 Cagliari, Italy;
| | - Giuseppe Doneddu
- Centro per l’Autismo e Disturbi correlati (CADc), Nuovo Centro Fisioterapico Sardo, 09131 Cagliari, Italy;
| | - Roberta Fadda
- Department of Pedagogy, Psychology, Philosophy, University of Cagliari, 09123 Cagliari, Italy;
| | - Patrizia Zavattari
- Department of Biomedical Sciences, Unit of Biology and Genetics, University of Cagliari, 09042 Cagliari, Italy; (E.M.); (E.L.); (A.F.V.-B.)
- Correspondence:
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99
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Prochaska E, Jang M, Burd I. COVID-19 in pregnancy: Placental and neonatal involvement. Am J Reprod Immunol 2020; 84:e13306. [PMID: 32779810 PMCID: PMC7404599 DOI: 10.1111/aji.13306] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 07/09/2020] [Accepted: 07/13/2020] [Indexed: 12/14/2022] Open
Abstract
Since December 2019, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused over 12 million infections and more than 550 000 deaths.1 Morbidity and mortality appear partly due to host inflammatory response.2 Despite rapid, global research, the effect of SARS-CoV-2 on the developing fetus remains unclear. Case reports indicate that vertical transmission is uncommon; however, there is evidence that placental and fetal infection can occur.3-7 Placentas from infected patients show inflammatory, thrombotic, and vascular changes that have been found in other inflammatory conditions.8,9 This suggests that the inflammatory nature of SARS-CoV-2 infection during pregnancy could cause adverse obstetric and neonatal events. Exposure to intrauterine inflammation and placental changes could also potentially result in long-term, multisystemic defects in exposed infants. This review will summarize the known literature on the placenta in SARS-CoV-2 infection, evidence of vertical transmission, and possible outcomes of prenatal exposure to the virus.
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Affiliation(s)
- Erica Prochaska
- Department of Gynecology and ObstetricsIntegrated Research Center for Fetal MedicineJohns Hopkins University School of MedicineBaltimoreMDUSA
- Division of Pediatric Infectious DiseasesDepartment of PediatricsThe Johns Hopkins University School of MedicineBaltimoreMDUSA
| | - Minyoung Jang
- Department of Gynecology and ObstetricsIntegrated Research Center for Fetal MedicineJohns Hopkins University School of MedicineBaltimoreMDUSA
| | - Irina Burd
- Department of Gynecology and ObstetricsIntegrated Research Center for Fetal MedicineJohns Hopkins University School of MedicineBaltimoreMDUSA
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100
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Assessment of Changes over Time of Lipid Profile, C-Reactive Protein Level and Body Mass Index in Teenagers and Young Adults on Different Diets Belonging to Autism Spectrum Disorder. Nutrients 2020; 12:nu12092594. [PMID: 32859040 PMCID: PMC7551291 DOI: 10.3390/nu12092594] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 08/21/2020] [Accepted: 08/24/2020] [Indexed: 12/17/2022] Open
Abstract
Background: Numerous scientific studies on patients with autism spectrum disorder (ASD) suggest a significant role of inflammation processes or lipid disorders in this spectrum of neurodevelopmental disorders. Unfortunately, there is a lack of assessments of changes over time regarding level of lipids and inflammatory markers in people diagnosed with ASD using different diets. The aim of this study was to evaluate changes in lipid profile, high sensitivity C-reactive protein (hs-CRP) and body mass index (BMI) in individuals diagnosed with ASD and healthy controls. Variables were assessed at two time points (2015/17 and 2017/20) for each subject. Methods: After applying the selection criteria, for the first assessment period, 96 participants were qualified (the group consisted of 59 males with ASD and 37 healthy volunteers, i.e., age-matched control group—CG). The final assessment included 93 participants (57 from ASD group and 36 from CG). Subjects were on low-fat diet (LFD), gluten–casein-free diet (GF–CF) and regular diet (RD), respectively. All members of CG were on regular diet. A fasting lipid profile and hs-CRP level were analyzed. BMI and percentiles were calculated. Eating habits were checked by analyzing data from questionnaires. Principal component analysis (PCA) was used separately for every assessment. The Mann–Whitney U test was used to compare the medians of variables in the scheme of pairwise comparisons between control and ASD groups on different diets for separate assessment, while differences over time between variables were tested by Wilcoxon signed-rank test. Results: Statistically significant differences between BMI, CRP, triglycerides (TG), total cholesterol (TC), high-density lipoprotein (HDL), non-HDL-C and TC/HDL ratio were found in ASD group in comparison to healthy volunteers (increased BMI, CRP and TC/HDL and decreased HDL-C for all types of diets, increased TG in the group of LFD and RD individual and increased non-HDL-C in the group of GF–CF and RD individuals) during the first assessment period. The second assessment over time also showed increased levels of TC, non HDL-C and TC/HDL and decreased level of HDL-C for all ASD individuals regardless of diets used, while BMI and CRP increased only for individuals on LFD and RD. No statistically significant correlations between age of participants and other variables comparing with CG were found. Conclusions: Our studies suggest that targeted, individualized nutritional pattern and periodic screening for lipid and immune disorders would be beneficial for teenagers and adults diagnosed with ASD.
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