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Ludot M, Mouchabac S, Ferreri F. Inter-relationships between isotretinoin treatment and psychiatric disorders: Depression, bipolar disorder, anxiety, psychosis and suicide risks. World J Psychiatry 2015; 5:222-227. [PMID: 26110123 PMCID: PMC4473493 DOI: 10.5498/wjp.v5.i2.222] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2014] [Revised: 02/14/2015] [Accepted: 05/06/2015] [Indexed: 02/05/2023] Open
Abstract
Isotretinoin (Accutane) is a treatment for severe acne that is resistant to other forms of treatment, including antibiotics and topical treatments. The prescription of this drug has been controversial ever since its initial marketing in 1982. It is the only non-psychotropic drug in the Food and Drug Administration top 10 drugs found to be associated with depression. Recently, Bremner et al published an extensive review (until 2010) of the evidence for the association of retinoic acid (RA) with depression and suicide. Some patients who are admitted in psychiatric hospitals report a history of present or past treatment with isotretinoin. Then, the imputability of the molecule in the occurrence of disorders represents necessarily an important question for both professionals and their patients. This paper aims to specify the links between the drug and specific psychiatric disorders. A review of the literature related to isotretinoin, RA, vitamin A, depression, suicide, anxiety, bipolar disorder, psychosis, schizophrenia was performed. Many studies demonstrated an increased risk of depression, attempted suicide and suicide following isotretinoin treatment. However, isotretinoin may have an antidepressant impact, according to some dermatological papers. They consider treating acne with this efficient treatment could improve self-image and make the patient feel better. Several studies showed that patients with bipolar disorder had an increased risk for a clinical exacerbation of symptoms undergoing treatment with isotretinoin. A few studies also seem to suggest a possible link between isotretinoin and psychosis. Nonetheless, studies point out a link between retinoid dysregulation and schizophrenia through modulation of dopamine receptors. From this review, we propose guidelines for isotretinoin prescription to healthcare professionals.
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Dunn W, Marder SR. Novel Treatments of Psychosis. Curr Behav Neurosci Rep 2015. [DOI: 10.1007/s40473-015-0032-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Haybaeck J, Postruznik M, Miller CL, Dulay JR, Llenos IC, Weis S. Increased expression of retinoic acid-induced gene 1 in the dorsolateral prefrontal cortex in schizophrenia, bipolar disorder, and major depression. Neuropsychiatr Dis Treat 2015; 11:279-89. [PMID: 25678793 PMCID: PMC4322876 DOI: 10.2147/ndt.s72536] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Retinoids regulate gene expression in different cells and tissues at the transcriptional level. Retinoic acid transcriptionally regulates downstream regulatory molecules, including enzymes, transcription factors, cytokines, and cytokine receptors. Animal models indicate an involvement of retinoid signaling pathways in the regulation of synaptic plasticity and learning, especially in the hippocampus. Retinoic acid-inducible or induced gene 1 (RAI-1) is induced during neuronal differentiation, and was associated with the severity of the phenotype and response to medication in schizophrenic patients. METHODS In the present study, we used immunohistochemistry to investigate the expression of RAI-1 in 60 brains from the Stanley Neuropathology Consortium (15 cases each from controls and from patients with schizophrenia, bipolar disorder, and major depression). Rating scores for density and intensity were determined in the dorsolateral prefrontal cortex. RESULTS All four groups showed high interindividual variation. RAI-1-positive cells were identified as neurons and astrocytes. Significantly increased intensities in cortical neurons were noted in all three major psychiatric groups compared with controls. The density of RAI-1-positive neurons was increased (P=0.06) in schizophrenia and bipolar disorder. In bipolar disorder, RAI-1-positive astrocytes in gray matter showed a significantly increased intensity and compound value. Thus, a significant increase in the parameters measured was found in schizophrenia, bipolar disorder, and major depression. CONCLUSION Our study shows a significant increase in expression of RAI-1 in the brains from patients with schizophrenia, bipolar disorder, or major depression. The increased expression might reflect altered signaling pathways, like that for retinoic acid. The underlying mechanisms leading to the increased expression and its functional consequences are so far unknown, and remain to be investigated in future studies.
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Affiliation(s)
- Johannes Haybaeck
- Department of Neuropathology, Institute of Pathology, Medical University Graz, Graz, Austria
| | - Magdalena Postruznik
- Department of Neuropathology, Institute of Pathology, Medical University Graz, Graz, Austria
| | | | - Jeannette R Dulay
- Laboratory of Brain Research and Neuropathology, Departments of Psychiatry and Pathology, Uniformed Services University of the Health Sciences, and Stanley Medical Research Institute, Bethesda, MD, USA
| | - Ida C Llenos
- Laboratory of Brain Research and Neuropathology, Departments of Psychiatry and Pathology, Uniformed Services University of the Health Sciences, and Stanley Medical Research Institute, Bethesda, MD, USA ; Laboratory of Neuropathology, Department of Pathology and Neuropathology, State Neuropsychiatric Hospital Wagner-Jauregg, Medical School, Johannes Kepler University, Linz, Austria
| | - Serge Weis
- Laboratory of Brain Research and Neuropathology, Departments of Psychiatry and Pathology, Uniformed Services University of the Health Sciences, and Stanley Medical Research Institute, Bethesda, MD, USA ; Laboratory of Neuropathology, Department of Pathology and Neuropathology, State Neuropsychiatric Hospital Wagner-Jauregg, Medical School, Johannes Kepler University, Linz, Austria
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Narayanaswamy JC, Viswanath B, Bada Math S. Schizophrenia and retinitis pigmentosa: are there mechanisms which blind insanity? Aust N Z J Psychiatry 2013; 47:95-6. [PMID: 22826378 DOI: 10.1177/0004867412455701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
| | - Biju Viswanath
- Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, India
| | - Suresh Bada Math
- Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, India
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Abstract
Psychopharmacology of schizophrenia has remained static for many years because the mechanisms explored have been basically monoaminergics, primarily focused toward the modification of dopaminergic function and, later on, serotonergic. In fact, most of the antipsychotics introduced in clinical practice in the last years have been antagonists or selective agonists of these receptors (D(2)/5-HT(2)). The exploration of other receptor pathways, and in particular those additionally involved in the action of the paradigmatic "atypical" antipsychotic clozapine (ie, cholinergic and noradrenergic), has not been very significant. Besides, research in the antipsychotics field has developed also by exploring pathways that are beyond the spectrum of clozapine. Among the most promising mechanisms are those based on the glutamatergic hypothesis of schizophrenia (agonists at the glycine-binding modulatory site of the N-methyl-D-aspartate receptor, glycine transporter inhibitors, modulators of the AMPA [α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid] receptor and selective agonists of the metabotropic receptor Glu(2)). Other less classic pathways are also under study and have led to some agents that are found in very early stages of development such as those acting on sigma receptors, cholecystokinin antagonists, neurotensin agonists, neurokinin receptor antagonists, GABAergic (+-aminobutyric acid [GABA]) enhancers, and cannabinoid(gamma-aminobutiric) receptor modulators.
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Wan C, Shi Y, Zhao X, Tang W, Zhang M, Ji B, Zhu H, Xu Y, Li H, Feng G, He L. Positive association between ALDH1A2 and schizophrenia in the Chinese population. Prog Neuropsychopharmacol Biol Psychiatry 2009; 33:1491-5. [PMID: 19703508 DOI: 10.1016/j.pnpbp.2009.08.008] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2009] [Revised: 08/17/2009] [Accepted: 08/17/2009] [Indexed: 01/08/2023]
Abstract
Vitamin A (retinol), in the biologically active form of retinoic acid (RA), has been proposed as involved in the pathogenesis of schizophrenia. We hypothesized that genetic basis of genes encoding RA metabolism enzymes, which control the cellular RA level, might be associated with this disease. This cascade genetic association model, using markers in genes of synthesis and degradation enzymes within the retinoid cascade, would better fit the biological character of the retinoid hypothesis than the single gene strategy. In the present study we chose to investigate 7 genes involved in the synthesis, degradation and transportation of RA, ALDH1A1, ALDH1A2, ALDH1A3, CYP26A1, CYP26B1, CYP26C1 and Transthyretin (TTR), for their roles in the development of schizophrenia. We genotyped 18 single nucleotide polymorphisms (SNPs) in the regulatory and coding regions of these 7 genes using LDR technology in the 617 Chinese Han subjects. Case-control analyses were performed to detect association of these 7 genes with schizophrenia. Association analyses using both allelic and genotypic single-locus tests revealed no significant association between the risk for each of investigated gene and schizophrenia. However, analyses of multiple-locus haplotypes indicated that the overall frequency of rs4646642-rs4646580 of ALDH1A2 gene showed significant difference between patients and control subjects (p=0.0055). We also employed multifactor dimensionality reduction method to detect multilocus effects. In summary, in this work we show multiple candidate genes involved in retinoid cascade in schizophrenics. In addition, our results suggest a positive association between ALDH1A2 and schizophrenics in the Chinese population and support the retinoid hypothesis of schizophrenia.
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Affiliation(s)
- Chunling Wan
- Bio-X Center, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai 200030, China.
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Palha JA, Goodman AB. Thyroid hormones and retinoids: a possible link between genes and environment in schizophrenia. BRAIN RESEARCH REVIEWS 2006; 51:61-71. [PMID: 16325258 DOI: 10.1016/j.brainresrev.2005.10.001] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2005] [Revised: 08/28/2005] [Accepted: 10/03/2005] [Indexed: 12/14/2022]
Abstract
Phenotypic discordance for schizophrenia in monozygotic twins clearly indicates involvement of environmental factors as key determinants in disease development. Positive findings from genome scans, linkage and association studies apply in only a minority of those affected, while post-mortem brain investigations reveal altered expression of genes and proteins involved in numerous neurodevelopmental, metabolic and neurotransmitter pathways. Such altered expressions could result, on the one hand, from mutations in coding regions or polymorphisms in the promoter and regulatory regions in genes within those areas identified by gene searches or, on the other hand, from inadequate amounts of modulators, transporters and synthesizers of transcription factors necessary for regulation of the putative genes. Hormones and vitamins are such modulators. They could serve as bridges between genes and environment in schizophrenia. Multiple evidence supports the suggestion of retinoids and thyroid hormones as plausible actors in these roles. Both are not only essential for normal development of the central nervous system but also regulate the expression of many neurotransmitters, their synthesizing enzymes and receptors, and other genes in broader signaling transduction cascades affecting pathways that are altered in response to treatment. Functional and positional candidate genes include retinoic acid and thyroid hormone receptors, retinaldehyde dehydrogenases and deiodinases, which synthesize the powerful morphogens, retinoic acid and triiodothyronine, and the enzymes involved in their inactivation. This review highlights selective evidence supporting the retinoid and thyroid hormone hypotheses of schizophrenia.
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Affiliation(s)
- Joana Almeida Palha
- Life and Health Sciences Research Institute (ICVS), School of Health Sciences, University of Minho, Campus Gualtar, 4710-057 Braga, Portugal.
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Van Craenenbroeck K, De Bosscher K, Vanden Berghe W, Vanhoenacker P, Haegeman G. Role of glucocorticoids in dopamine-related neuropsychiatric disorders. Mol Cell Endocrinol 2005; 245:10-22. [PMID: 16310935 DOI: 10.1016/j.mce.2005.10.007] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2005] [Accepted: 10/14/2005] [Indexed: 01/12/2023]
Abstract
'Psychoneuroendocrinology' is now quickly emerging as a hot interdisciplinary research field that addresses the interplay between neuronal and endocrine signaling in psychiatric diseases. Both glucocorticoid hormones and dopamine have an important role in maintaining normal brain functions. In this review, molecular and mechanistic aspects of glucocorticoid effects on brain function and behavior will be discussed with specific reference to dopamine signaling.
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Affiliation(s)
- Kathleen Van Craenenbroeck
- Laboratory for Eukaryotic Gene Expression and Signal Transduction, LEGEST, Department of Molecular Biology, Ghent University-UGent, K.L. Ledeganckstraat 35, 9000 Gent, Belgium
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Lane MA, Bailey SJ. Role of retinoid signalling in the adult brain. Prog Neurobiol 2005; 75:275-93. [PMID: 15882777 DOI: 10.1016/j.pneurobio.2005.03.002] [Citation(s) in RCA: 281] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2004] [Revised: 03/11/2005] [Accepted: 03/14/2005] [Indexed: 11/30/2022]
Abstract
Vitamin A (all-trans-retinol) is the parent compound of a family of natural and synthetic compounds, the retinoids. Retinoids regulate gene transcription in numerous cells and tissues by binding to nuclear retinoid receptor proteins, which act as transcription factors. Much of the research conducted on retinoid signalling in the nervous system has focussed on developmental effects in the embryonic or early postnatal brain. Here, we review the increasing body of evidence indicating that retinoid signalling plays an important role in the function of the mature brain. Components of the metabolic pathway for retinoids have been identified in adult brain tissues, suggesting that all-trans-retinoic acid (ATRA) can be synthesized in discrete regions of the brain. The distribution of retinoid receptor proteins in the adult nervous system is different from that seen during development; and suggests that retinoid signalling is likely to have a physiological role in adult cortex, amygdala, hypothalamus, hippocampus, striatum and associated brain regions. A number of neuronal specific genes contain recognition sequences for the retinoid receptor proteins and can be directly regulated by retinoids. Disruption of retinoid signalling pathways in rodent models indicates their involvement in regulating synaptic plasticity and associated learning and memory behaviours. Retinoid signalling pathways have also been implicated in the pathophysiology of Alzheimer's disease, schizophrenia and depression. Overall, the data underscore the likely importance of adequate nutritional Vitamin A status for adult brain function and highlight retinoid signalling pathways as potential novel therapeutic targets for neurological diseases.
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Affiliation(s)
- Michelle A Lane
- Department of Human Ecology, Division of Nutritional Sciences, The University of Texas at Austin, Austin, TX 78712, USA.
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Rioux L, Arnold SE. The expression of retinoic acid receptor alpha is increased in the granule cells of the dentate gyrus in schizophrenia. Psychiatry Res 2005; 133:13-21. [PMID: 15698673 DOI: 10.1016/j.psychres.2004.11.003] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2004] [Revised: 09/15/2004] [Accepted: 11/08/2004] [Indexed: 10/25/2022]
Abstract
Mounting evidence suggests that schizophrenia is a neurodevelopmental disease resulting in dysfunctional connectivity between various brain regions. Retinoid pathway dysregulation has been proposed as a potentially important factor in the etiology of schizophrenia. Retinoid signaling plays a central role in many aspects of development, ranging from neurogenesis to activity-dependent plasticity, and regulates the expression of many candidate genes for schizophrenia. The retinoid pathway acts through two families of nuclear receptors highly expressed in the hippocampus, the retinoic acid (RAR) and retinoid X (RXR) receptors, both existing in three different subtypes (alpha, beta and gamma) and several isoforms. The present study examines the expression of the retinoid receptors in the dentate gyrus of schizophrenia and nonpsychiatric controls. The proportion of granule cells of the dentate gyrus expressing RAR(alpha) is increased by twofold in schizophrenia, while the proportion of cells expressing RAR(gamma)1 and 2, as well as RXR(beta) and gamma, is unchanged. These results demonstrate a dysregulation in the expression of at least one member of the RAR family of retinoid receptors in schizophrenia. Understanding the basis for this and how it affects downstream molecular pathways associated with hippocampal plasticity may provide insight into the dysfunctional connectivity of schizophrenia.
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Affiliation(s)
- Lise Rioux
- Center for Neurobiology and Behavior, Department of Psychiatry, University of Pennsylvania, School of Medicine, Philadelphia, PA, USA.
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Ruano D, Macedo A, Dourado A, Soares MJ, Valente J, Coelho I, Santos V, Azevedo MH, Goodman A, Hutz MH, Gama C, Lobato MI, Belmonte-de-Abreu P, Palha JA. NR4A2 and schizophrenia: lack of association in a Portuguese/Brazilian study. Am J Med Genet B Neuropsychiatr Genet 2004; 128B:41-5. [PMID: 15211629 DOI: 10.1002/ajmg.b.30031] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The present study investigates the association of mutations in the nuclear receptor NR4A2 in schizophrenic patients. The human Nur-related receptor 1, NR4A2, is an orphan nuclear receptor that can be constitutively active as a transcription factor and for which no natural ligand has yet been identified. Alone or with retinoid X receptor, RXR, NR4A2 influences the expression of several genes important for human brain development and regulation. In the absence of Nurr1 (the mouse homologue to human NR4A2), ventral mesencephalic dopaminergic mouse neurons evidence severe developmental failure, a condition that is lethal soon after birth. Nurr1 involvement in the dopaminergic system makes it a good candidate for study in neuropsychiatric disorders such as schizophrenia and Parkinson disease. Evidence by others support this hypothesis (1) mapping of the NR4A2 gene to chromosome 2q22-23, a region with suggestive linkage to schizophrenia and (2) identification of mutations in patients with schizophrenia (c.366-369delTAC, c.308A > G, c.-469delG), manic depression (c.289A > G), and familial Parkinson's disease (c.-291delT, c.-245T > G). To further extend these observations, we searched for all these mutations in 176 Caucasian Portuguese and 82 Caucasian Brazilian subjects with lifetime diagnosis of schizophrenia. The study failed to identify any of the described mutations in patients or controls. Nevertheless, these negative results do not exclude altered expression of nuclear receptors in schizophrenia or the presence of other mutations.
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Affiliation(s)
- Dina Ruano
- Health Sciences School, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
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