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Panayotacopoulou MT, Papageorgiou I, Pagida M, Katsogridaki AE, Chrysanthou-Piterou M, Valous NA, Halama N, Patsouris E, Konstantinidou AE. Microglia Activation in the Midbrain of the Human Neonate: The Effect of Perinatal Hypoxic-Ischemic Injury. J Neuropathol Exp Neurol 2022; 81:208-224. [PMID: 35092294 DOI: 10.1093/jnen/nlab135] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Perinatal hypoxia-ischemia (PHI) is a major risk factor for the development of neuropsychiatric deficits later in life. We previously reported that after prolonged PHI, the dopaminergic neurons of the human neonate showed a dramatic reduction of tyrosine hydroxylase (TH) in the substantia nigra, without important signs of neuronal degeneration despite the significant reduction in their cell size. Since microglia activation could precede neuronal death, we now investigated 2 microglia activation markers, ionized calcium-binding adapter molecule 1 (Iba1), and the phagocytosis marker Cd68. The highest Iba1 immunoreactivity was found in neonates with neuropathological lesions of severe/abrupt PHI, while the lowest in subjects with moderate/prolonged or older PHI. Subjects with very severe/prolonged or chronic PHI showed an increased Iba1 expression and very activated microglial morphology. Heavy attachment of microglia on TH neurons and remarkable expression of Cd68 were also observed indicating phagocytosis in this group. Females appear to express more Iba1 than males, suggesting a gender difference in microglia maturation and immune reactivity after PHI insult. PHI-induced microglial "priming" during the sensitive for brain development perinatal/neonatal period, in combination with genetic or other epigenetic factors, could predispose the survivors to neuropsychiatric disorders later in life, possibly through a sexually dimorphic way.
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Affiliation(s)
- Maria T Panayotacopoulou
- From the Department of Psychiatry, National and Kapodistrian University of Athens, Athens, Greece (MTP, MP, AEK, MC-P).,University Mental Health, Neurosciences and Precision Medicine Research Institute "Kostas Stefanis", National and Kapodistrian University of Athens, Athens, Greece (MTP, MP, AEK, MC-P, EP)
| | - Ismini Papageorgiou
- Institute for Diagnostic and Interventional Radiology, University Hospital of Jena, Jena, Germany (IP).,Institute of Radiology, Südharz Hospital Nordhausen, Nordhausen, Germany (IP)
| | - Marianna Pagida
- From the Department of Psychiatry, National and Kapodistrian University of Athens, Athens, Greece (MTP, MP, AEK, MC-P).,University Mental Health, Neurosciences and Precision Medicine Research Institute "Kostas Stefanis", National and Kapodistrian University of Athens, Athens, Greece (MTP, MP, AEK, MC-P, EP)
| | - Alexandra E Katsogridaki
- From the Department of Psychiatry, National and Kapodistrian University of Athens, Athens, Greece (MTP, MP, AEK, MC-P).,University Mental Health, Neurosciences and Precision Medicine Research Institute "Kostas Stefanis", National and Kapodistrian University of Athens, Athens, Greece (MTP, MP, AEK, MC-P, EP)
| | - Margarita Chrysanthou-Piterou
- From the Department of Psychiatry, National and Kapodistrian University of Athens, Athens, Greece (MTP, MP, AEK, MC-P).,University Mental Health, Neurosciences and Precision Medicine Research Institute "Kostas Stefanis", National and Kapodistrian University of Athens, Athens, Greece (MTP, MP, AEK, MC-P, EP)
| | - Nektarios A Valous
- Applied Tumor Immunity Clinical Cooperation Unit, National Center for Tumor Diseases (NCT), German Cancer Research Center (DKFZ), Heidelberg, Germany (NAV)
| | - Niels Halama
- Department of Medical Oncology, National Center for Tumor Diseases (NCT), Heidelberg University Hospital (UKHD), Heidelberg, Germany (NH).,Division of Translational Immunotherapy, German Cancer Research Center (DKFZ), Heidelberg, Germany (NH)
| | - Efstratios Patsouris
- University Mental Health, Neurosciences and Precision Medicine Research Institute "Kostas Stefanis", National and Kapodistrian University of Athens, Athens, Greece (MTP, MP, AEK, MC-P, EP).,1st Department of Pathology, National and Kapodistrian University of Athens, Athens, Greece (EP, AEK)
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Zuniga A, Ryabinin AE. Involvement of Centrally Projecting Edinger-Westphal Nucleus Neuropeptides in Actions of Addictive Drugs. Brain Sci 2020; 10:brainsci10020067. [PMID: 31991932 PMCID: PMC7071833 DOI: 10.3390/brainsci10020067] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 01/21/2020] [Accepted: 01/22/2020] [Indexed: 11/16/2022] Open
Abstract
The centrally-projecting Edinger-Westphal nucleus (EWcp) is a brain region distinct from the preganglionic Edinger-Westphal nucleus (EWpg). In contrast to the EWpg, the EWcp does not send projections to the ciliary ganglion and appears not to regulate oculomotor function. Instead, evidence is accumulating that the EWcp is extremely sensitive to alcohol and several other drugs of abuse. Studies using surgical, genetic knockout, and shRNA approaches further implicate the EWcp in the regulation of alcohol sensitivity and self-administration. The EWcp is also known as the site of preferential expression of urocortin 1, a peptide of the corticotropin-releasing factor family. However, neuroanatomical data indicate that the EWcp is not a monotypic brain region and consists of several distinct subpopulations of neurons. It is most likely that these subpopulations of the EWcp are differentially involved in the regulation of actions of addictive drugs. This review summarizes and analyzes the current literature of the EWcp's involvement in actions of drugs of abuse in male and female subjects in light of the accumulating evidence of complexities of this brain region.
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Pagida MA, Konstantinidou AE, Chrysanthou-Piterou MA, Patsouris ES, Panayotacopoulou MT. Apoptotic Markers in the Midbrain of the Human Neonate After Perinatal Hypoxic/Ischemic Injury. J Neuropathol Exp Neurol 2020; 79:86-101. [PMID: 31803912 DOI: 10.1093/jnen/nlz114] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 10/01/2019] [Accepted: 10/23/2019] [Indexed: 11/13/2022] Open
Abstract
Our previous postmortem studies on neonates with neuropathological injury of perinatal hypoxia/ischemia (PHI) showed a dramatic reduction of tyrosine hydroxylase expression (dopamine synthesis enzyme) in substantia nigra (SN) neurons, with reduction of their cellular size. In order to investigate if the above observations represent an early stage of SN degeneration, we immunohistochemically studied the expression of cleaved caspase-3 (CCP3), apoptosis inducing factor (AIF), and DNA fragmentation by using terminal deoxynucleotidyltransferase-mediated dUTP-biotin 3'-end-labeling (TUNEL) technique in the SN of 22 autopsied neonates (corrected age ranging from 34 to 46.5 gestational weeks), in relation to the severity/duration of PHI injury, as estimated by neuropathological criteria. No CCP3-immunoreactive neurons and a limited number of apoptotic TUNEL-positive neurons with pyknotic characteristics were found in the SN. Nuclear AIF staining was revealed only in few SN neurons, indicating the presence of early signs of AIF-mediated degeneration. By contrast, motor neurons of the oculomotor nucleus showed higher cytoplasmic AIF expression and nuclear translocation, possibly attributed to the combined effect of developmental processes and increased oxidative stress induced by antemortem and postmortem factors. Our study indicates the activation of AIF, but not CCP3, in the SN and oculomotor nucleus of the human neonate in the developmentally critical perinatal period.
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Affiliation(s)
- Marianna A Pagida
- 1st Department of Psychiatry (MPag, MC-P, MPan); Laboratory of Neurobiology and Histochemistry, University Mental Health Research Institute (MPag, MC-P, MPan); and 1st Department of Pathology (AK, EP), National and Kapodistrian University of Athens, Athens, Greece
| | - Anastasia E Konstantinidou
- 1st Department of Psychiatry (MPag, MC-P, MPan); Laboratory of Neurobiology and Histochemistry, University Mental Health Research Institute (MPag, MC-P, MPan); and 1st Department of Pathology (AK, EP), National and Kapodistrian University of Athens, Athens, Greece
| | - Margarita A Chrysanthou-Piterou
- 1st Department of Psychiatry (MPag, MC-P, MPan); Laboratory of Neurobiology and Histochemistry, University Mental Health Research Institute (MPag, MC-P, MPan); and 1st Department of Pathology (AK, EP), National and Kapodistrian University of Athens, Athens, Greece
| | - Efstratios S Patsouris
- 1st Department of Psychiatry (MPag, MC-P, MPan); Laboratory of Neurobiology and Histochemistry, University Mental Health Research Institute (MPag, MC-P, MPan); and 1st Department of Pathology (AK, EP), National and Kapodistrian University of Athens, Athens, Greece
| | - Maria T Panayotacopoulou
- 1st Department of Psychiatry (MPag, MC-P, MPan); Laboratory of Neurobiology and Histochemistry, University Mental Health Research Institute (MPag, MC-P, MPan); and 1st Department of Pathology (AK, EP), National and Kapodistrian University of Athens, Athens, Greece
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Giannopoulou I, Pagida MA, Briana DD, Panayotacopoulou MT. Perinatal hypoxia as a risk factor for psychopathology later in life: the role of dopamine and neurotrophins. Hormones (Athens) 2018; 17:25-32. [PMID: 29858855 DOI: 10.1007/s42000-018-0007-7] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 11/16/2017] [Indexed: 12/26/2022]
Abstract
Brain development is influenced by various prenatal, intrapartum, and postnatal events which may interact with genotype to affect the neural and psychophysiological systems related to emotions, specific cognitive functions (e.g., attention, memory), and language abilities and thereby heighten the risk for psychopathology later in life. Fetal hypoxia (intrapartum oxygen deprivation), hypoxia-related obstetric complications, and hypoxia during the early neonatal period are major environmental risk factors shown to be associated with an increased risk for later psychopathology. Experimental models of perinatal hypoxia/ischemia (PHI) showed that fetal hypoxia-a consequence common to many birth complications in humans-results in selective long-term disturbances of the dopaminergic systems that persist in adulthood. On the other hand, neurotrophic signaling is critical for pre- and postnatal brain development due to its impact on the process of neuronal development and its reaction to perinatal stress. The aim of this review is (a) to summarize epidemiological data confirming an association of PHI with an increased risk of a range of psychiatric disorders from childhood through adolescence to adulthood, (b) to present immunohistochemical findings on human autopsy material indicating vulnerability of the dopaminergic neurons of the human neonate to PHI that could predispose infant survivors of PHI to dopamine-related neurological and/or cognitive deficits in adulthood, and
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Affiliation(s)
- Ioanna Giannopoulou
- 2nd Department of Psychiatry, National and Kapodistrian University of Athens, Athens, Greece
| | - Marianna A Pagida
- 1st Department of Psychiatry, National and Kapodistrian University of Athens, Athens, Greece
- Laboratory of Neurobiology and Histochemistry, University Mental Health Research Institute, PO Box 66517, GR-15601, Papagou, Athens, Greece
| | - Despina D Briana
- Neonatal Unit, 1st Department of Pediatrics, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria T Panayotacopoulou
- 1st Department of Psychiatry, National and Kapodistrian University of Athens, Athens, Greece.
- Laboratory of Neurobiology and Histochemistry, University Mental Health Research Institute, PO Box 66517, GR-15601, Papagou, Athens, Greece.
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Yamaguchi K. Development of the human oculomotor nuclear complex: Centrally-projecting Edinger–Westphal nucleus. Neurosci Lett 2017; 646:8-14. [DOI: 10.1016/j.neulet.2016.11.040] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Revised: 10/28/2016] [Accepted: 11/20/2016] [Indexed: 11/25/2022]
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Pagida MA, Konstantinidou AE, Korelidou A, Katsika D, Tsekoura E, Patsouris E, Panayotacopoulou MT. The Effect of Perinatal Hypoxic/Ischemic Injury on Tyrosine Hydroxylase Expression in the Locus Coeruleus of the Human Neonate. Dev Neurosci 2015; 38:41-53. [DOI: 10.1159/000439270] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Accepted: 08/08/2015] [Indexed: 11/19/2022] Open
Abstract
We have previously shown that perinatal hypoxic/ischemic injury (HII) may cause selective vulnerability of the mesencephalic dopaminergic neurons of human neonate. In the present study, we investigated the effect of perinatal HII on the noradrenergic neurons of the locus coeruleus (LC) of the same sample. We studied immunohistochemically the expression of tyrosine hydroxylase (TH, first limiting enzyme for catecholamine synthesis) in LC neurons of 15 autopsied infants (brains collected from the Greek Brain Bank) in relation to the neuropathological changes of acute or chronic HII of the neonatal brain. Our results showed that perinatal HII appears to affect the expression of TH and the size of LC neurons of the human neonate. In subjects with neuropathological lesions consistent with abrupt/severe HII, intense TH immunoreactivity was found in almost all neurons of the LC. In most of the neonates with neuropathological changes of prolonged or older injury, however, reduction in cell size and a decrease or absence of TH staining were observed in the LC. Intense TH immunoreactivity was found in the LC of 3 infants of the latter group, who interestingly had a longer survival time and had been treated with anticonvulsant drugs. Based on our observations and in view of experimental evidence indicating that the reduction of TH-immunoreactive neurons occurring in the LC after perinatal hypoxic insults persists into adulthood, we suggest that a dysregulation of monoaminergic neurotransmission in critical periods of brain development in humans is likely to predispose the survivors of perinatal HII, in combination with genetic susceptibility, to psychiatric and/or neurological disorders later in life.
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Watanuki Y, Kageyama K, Takayasu S, Matsuzaki Y, Iwasaki Y, Daimon M. Ultraviolet B radiation-stimulated urocortin 1 is involved in tyrosinase-related protein 1 production in human melanoma HMV-II cells. Peptides 2014; 61:93-7. [PMID: 25240771 DOI: 10.1016/j.peptides.2014.09.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Revised: 09/09/2014] [Accepted: 09/09/2014] [Indexed: 10/24/2022]
Abstract
Ultraviolet B (UVB) radiation stimulates cutaneous melanin pigmentation. The melanosomal enzyme tyrosinase-related protein 1 (TRP1) is involved in the modulation of pigment production in response to this stressor. Recent molecular and biochemical analyses have revealed the presence of corticotropin-releasing factor (CRF) and urocortin 1 (Ucn1), together with their corresponding receptors, in mammalian skin. Although CRF and Ucn1 are thought to have potent effects on the skin system, their possible roles and regulations have yet to be determined fully. Our previous findings in human melanoma HMV-II cells suggest that both CRF and Ucn1 regulate TRP1 gene expression via Nurr-1/Nur77, transcription factors that constitute the nuclear receptor 4a subgroup of orphan nuclear receptors. HMV-II cells were found to express mainly Ucn1 mRNA. This study aimed to explore the effects of UVB on Ucn1 mRNA and TRP1 protein levels in HMV-II cells. UVB (30 mJ/cm(2)) increased Nurr-1, Nur77, and Ucn1 mRNA levels. UVB also increased TRP1 protein levels. Ucn1 knockdown inhibited the UVB-induced increases in TRP1 protein levels. These data suggest that UVB-stimulated Ucn1 contributes to TRP1 production via the transcription of both Nurr-1 and Nur77. Ucn1, produced in melanoma cells, acts on melanoma cells themselves in an autocrine manner.
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MESH Headings
- Autocrine Communication/genetics
- Autocrine Communication/radiation effects
- Cell Line, Tumor
- Gene Expression Regulation, Neoplastic
- Gene Knockdown Techniques
- Humans
- Membrane Glycoproteins/biosynthesis
- Membrane Glycoproteins/genetics
- Neoplasm Proteins/biosynthesis
- Neoplasm Proteins/genetics
- Nuclear Receptor Subfamily 4, Group A, Member 1/genetics
- Nuclear Receptor Subfamily 4, Group A, Member 1/metabolism
- Nuclear Receptor Subfamily 4, Group A, Member 2/genetics
- Nuclear Receptor Subfamily 4, Group A, Member 2/metabolism
- Oxidoreductases/biosynthesis
- Oxidoreductases/genetics
- Transcription, Genetic/genetics
- Transcription, Genetic/radiation effects
- Ultraviolet Rays
- Urocortins/biosynthesis
- Urocortins/genetics
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Affiliation(s)
- Yutaka Watanuki
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
| | - Kazunori Kageyama
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan; Department of Endocrinology, Metabolism, and Infectious Diseases, Hirosaki University School of Medicine & Hospital, 53 Hon-cho, Hirosaki, Aomori 036-8563, Japan.
| | - Shinobu Takayasu
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
| | - Yasushi Matsuzaki
- Department of Dermatology, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
| | - Yasumasa Iwasaki
- Health Care Center, Kochi University, Kochi, Kochi 780-8520, Japan
| | - Makoto Daimon
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
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Chouridou E, Lambropoulou M, Koureta M, Balgouranidou I, Nena E, Simopoulou M, Papadopoulos N, Kortsaris A, Chatzaki E. A complete corticotropin releasing factor system localized in human fetal lung. Hormones (Athens) 2014; 13:229-43. [PMID: 24776623 DOI: 10.1007/bf03401337] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
OBJECTIVE The Corticotropin Releasing Factor (CRF) system (neuropeptides CRF, Ucn I, II, III and binding sites CRFR1, CRFR2, CRF-BP) is responsible for stress regulation and the homeostasis of an organism. Herein we study the CRF system in human normal and pathological fetal lungs. DESIGN Lung tissues from 46 archival human fetuses were divided into Group A (normal), Group B (chromosomal abnormalities) and Group C (congenital disorders). Presence of elements of the CRF system was evaluated using immunohistochemistry and was correlated to pathology, lung developmental stage and clinicopathological characteristics. RESULTS Immunoreactivity for all antigens was found in both epithelial and mesenchymal lung cells of the bronchi and alveoli. Ucn I and CRFR1 were more frequently present in Group A. Ucns were more frequently localized at the pseudoglandular stage. There was a positive correlation between the presence of the CRF neuropeptides and between CRFR1 and CRF. Two fetuses with lung malformations showed low or no detectable presence of the CRF system. CONCLUSIONS We report the presence of a complete CRF system in human fetal lungs correlating its developmental stage and several pathologies. Our results are in agreement with findings in experimental animal models, implicating the CRF system in fetal lung development, its action being more significant in the early stages.
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Affiliation(s)
- Efterpi Chouridou
- Laboratory of Pharmacology, Faculty of Medicine; Democritus University of Thrace, Alexandroupolis; Greece
| | - Maria Lambropoulou
- Laboratory of Histology-Embryology, Faculty of Medicine; Democritus University of Thrace, Alexandroupolis; Greece
| | - Maria Koureta
- Laboratory of Pharmacology, Faculty of Medicine; Democritus University of Thrace, Alexandroupolis; Greece
| | - Ioanna Balgouranidou
- Laboratory of Pharmacology, Faculty of Medicine; Democritus University of Thrace, Alexandroupolis; Greece
| | - Evangelia Nena
- Laboratory of Hygiene and Environmental Protection, Faculty of Medicine; Democritus University of Thrace, Alexandroupolis; Greece
| | - Maria Simopoulou
- Laboratory of Physiology, Faculty of Medicine, Kapodistriako University of Athens; Greece
| | - Nikolaos Papadopoulos
- Laboratory of Histology-Embryology, Faculty of Medicine; Democritus University of Thrace, Alexandroupolis; Greece
| | - Alexandros Kortsaris
- Laboratory of Biochemistry, Faculty of Medicine, Democritus University of Thrace, Alexandroupolis; Greece
| | - Ekaterini Chatzaki
- Laboratory of Pharmacology, Faculty of Medicine; Democritus University of Thrace, Alexandroupolis; Greece
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