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Silva EDO, de Carvalho AHB, Paiva GM, Jorge CA, Koltermann G, de Salles JF, Haase VG, Carvalho MRS. Do boys with MAOA_LPR*2R allele present cognitive and learning impairments? Dement Neuropsychol 2022; 16:162-170. [PMID: 35720651 PMCID: PMC9173787 DOI: 10.1590/1980-5764-dn-2021-0071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 10/04/2021] [Accepted: 10/09/2021] [Indexed: 12/02/2022] Open
Abstract
Monoamine oxidase A (MAOA) polymorphisms have been associated with antisocial disorders. Less attention has been paid to the cognitive functioning of individuals with different MAOA alleles. No study has described the cognitive phenotype associated with the less frequent, low enzyme activity allele, MAOA_LPR*2R.
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Affiliation(s)
- Emanuelle de Oliveira Silva
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Programa de Pós-graduação em Neurociências, Belo Horizonte MG, Brazil
| | - André Henrique Barbosa de Carvalho
- Universidade Federal de Minas Gerais, Ecologia e Evolução, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Genética, Departamento de Genética, Belo Horizonte MG, Brazil
| | - Giulia Moreira Paiva
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Programa de Pós-graduação em Neurociências, Belo Horizonte MG, Brazil
| | - Carolina Andrade Jorge
- Universidade Federal de Minas Gerais, Ecologia e Evolução, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Genética, Departamento de Genética, Belo Horizonte MG, Brazil
| | - Gabriella Koltermann
- Universidade Federal do Rio Grande do Sul, Programa de Pós-Graduação em Psicologia, Porto Alegre RS, Brazil
| | - Jerusa Fumagalli de Salles
- Universidade Federal do Rio Grande do Sul, Programa de Pós-Graduação em Psicologia, Porto Alegre RS, Brazil
| | - Vitor Geraldi Haase
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Programa de Pós-graduação em Neurociências, Belo Horizonte MG, Brazil.,Universidade Federal de Minas Gerais, Departamento de Psicologia, Faculdade de Filosofia e Ciências Humanas, Belo Horizonte MG, Brazil.,Universidade Federal de Minas Gerais, Faculdade de Filosofia e Ciências Humanas,Programa de Pós-Graduação em Psicologia: Cognição e Comportamento, Departamento de Psicologia, Belo Horizonte MG, Brazil.,Instituto Nacional de Ciência e Tecnologia sobre Cognição, Comportamento e Ensino, São Carlos SP, Brazil
| | - Maria Raquel Santos Carvalho
- Universidade Federal de Minas Gerais, Ecologia e Evolução, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Genética, Departamento de Genética, Belo Horizonte MG, Brazil.,Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Genética, Ecologia e Evolução, Belo Horizonte MG, Brazil
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Spinelli R, Rietmann Á, Sanchis I, Siano ÁS. Natural multi-target modulators of pathological pathways in Alzheimer's disease isolated from the Rhinella arenarum skin. Nat Prod Res 2021; 36:3193-3197. [PMID: 34311633 DOI: 10.1080/14786419.2021.1953022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The skin of anuran amphibians is a rich source of compounds with great medicinal potential. Alzheimer's disease (AD) is a complex disease associated with numerous pathological pathways, making their simultaneous modulation necessary. Nowadays the development of anti-AD drugs is focused on a Multi-Target Directed Ligands strategy. Herein we report the bioactivity of the skin extracts of the toad Rhinella arenarum obtained by an invasive and non-invasive methods, against five AD pathological targets (AChE, BChE, MAO-B, antioxidant and chelating activities). The extract derived from the non-invasive technique showed the highest biological activity, being capable of acting on all or almost all the pathological targets of AD, while also avoiding harm to the animal.
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Affiliation(s)
- Roque Spinelli
- Laboratorio de Péptidos Bioactivos, Departamento de Química Orgánica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - Álvaro Rietmann
- Laboratorio de Péptidos Bioactivos, Departamento de Química Orgánica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Ivan Sanchis
- Laboratorio de Péptidos Bioactivos, Departamento de Química Orgánica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - Álvaro Sebastián Siano
- Laboratorio de Péptidos Bioactivos, Departamento de Química Orgánica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
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Kumar B, Thakur A, Dwivedi AR, Kumar R, Kumar V. Multi-Target-Directed Ligands as an Effective Strategy for the Treatment of Alzheimer's Disease. Curr Med Chem 2021; 29:1757-1803. [PMID: 33982650 DOI: 10.2174/0929867328666210512005508] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 03/25/2021] [Accepted: 04/02/2021] [Indexed: 11/22/2022]
Abstract
Alzheimer's disease (AD) is a complex neurological disorder, and multiple pathological factors are believed to be involved in the genesis and progression of the disease. A number of hypotheses, including Acetylcholinesterase, Monoamine oxidase, β-Amyloid, Tau protein, etc., have been proposed for the initiation and progression of the disease. At present, acetylcholine esterase inhibitors and memantine (NMDAR antagonist) are the only approved therapies for the symptomatic management of AD. Most of these single-target drugs have miserably failed in the treatment or halting the progression of the disease. Multi-factorial diseases like AD require complex treatment strategies that involve simultaneous modulation of a network of interacting targets. Since the last few years, Multi-Target-Directed Ligands (MTDLs) strategy, drugs that can simultaneously hit multiple targets, is being explored as an effective therapeutic approach for the treatment of AD. In the current review article, the authors have briefly described various pathogenic pathways associated with AD. The importance of Multi-Target-Directed Ligands and their design strategies in recently reported articles have been discussed in detail. Potent leads are identified through various structure-activity relationship studies, and their drug-like characteristics are described. Recently developed promising compounds have been summarized in the article. Some of these MTDLs with balanced activity profiles against different targets have the potential to be developed as drug candidates for the treatment of AD.
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Affiliation(s)
- Bhupinder Kumar
- Central University of Punjab Department of Pharmaceutical Sciences and Natural Products, India
| | - Amandeep Thakur
- Central University of Punjab Department of Pharmaceutical Sciences and Natural Products, India
| | | | - Rakesh Kumar
- Central University of Punjab, Bathinda, Punjab-151001, India
| | - Vinod Kumar
- Department of Chemistry, Central University of Punjab, Bathinda, Punjab-151001, India
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Ramalakshmi N, Remya R S, Nalini C N. Multitarget Directed Ligand Approaches for Alzheimer's Disease: A Complete Review. Mini Rev Med Chem 2021; 21:2361-2388. [PMID: 33820504 DOI: 10.2174/1389557521666210405161205] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 02/20/2021] [Accepted: 02/22/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Alzheimer's disease (AD) is a multifactorial neurodegenerative disease and a drug which targets a single protein will not provide a cure for the disease. Currently available drugs for AD are all palliative rather than curative. FDA approved only five drugs for the treatment of AD, which includes tacrine, donepezil, galantamine, rivastigmine, and memantine. Tacrine discontinued due to its hepatotoxicity. The lack of therapeutic effectiveness of the single-target drugs and multifactorial etiology of AD leads to the design of multitarget directed ligands for AD. OBJECTIVE The researchers in this field are constantly putting effort for the development of a drug for the exact cure of this disease by exploring the different biological targets associated with AD. The present review comprises various multitarget approaches and tools used for finding out a lead compound or a new drug, which will give a cure for AD. METHODS We have scrutinized and reviewed 75 research articles published in various peer reviewed journals in the last two decades in the field of multi target directed ligand approaches for the discovery of a new therapeutic agent for AD. RESULTS The review highlights the recent advances in the field of AD research and showed that still the battle for the discovery of an effective drug for AD is in process and AD still remains an incurable disease for which treatment is just palliative. CONCLUSION The review might be helpful for researchers working on multi target directed ligands against AD.
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Affiliation(s)
- Natarajan Ramalakshmi
- Department of Pharmaceutical Chemistry,C.L.Baid Metha College of Pharmacy , The Tamilnadu Dr.M.G.R. Medical University, Chennai. India
| | - Remya R S
- Department of Pharmaceutical Chemistry,C.L.Baid Metha College of Pharmacy , The Tamilnadu Dr.M.G.R. Medical University, Chennai. India
| | - Nalini C N
- Department of Pharmaceutical Analysis, C.L.Baid Metha College of Pharmacy , The Tamilnadu Dr.M.G.R. Medical University, Chennai. India
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Eslami Amirabadi MR, Rajezi Esfahani S, Davari-Ashtiani R, Khademi M, Emamalizadeh B, Movafagh A, Sadr S, Arabgol F, Darvish H, Razjoyan K. Monoamine oxidase a gene polymorphisms and bipolar disorder in Iranian population. Iran Red Crescent Med J 2015; 17:e23095. [PMID: 25793118 PMCID: PMC4353216 DOI: 10.5812/ircmj.23095] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/27/2014] [Revised: 09/23/2014] [Accepted: 11/09/2014] [Indexed: 11/16/2022]
Abstract
BACKGROUND Bipolar disorder (BPD) is a common and severe mood disorder. Although genetic factors have important rolesin the etiology of bipolar disorder, no specific gene has been identified in relation to this disorder. Monoamine oxidase gene is suggested to be associated with bipolar disorder in many studies. OBJECTIVES This study aimed to investigatethe role of MAOA gene polymorphisms in the etiology of bipolar disorder in Iranian population. PATIENTS AND METHODS This study is a case-control study, with convenient sampling. Three common polymorphisms, a CA microsatellite, a VNTR, and a RFLP were typed in 156 bipolar patients and 173 healthy controls. Patients were chosen from Imam Hossein General Hospital, Psychiatry Ward (Tehran/Iran). Controlsamples for this study consisted of 173 healthy individuals recruitedby convenient sampling. Allelic distributions of these polymorphisms were analyzed in bipolar and control groups to investigate any association with MAOA gene. RESULTS Significant associations were observed regarding MAOA-CA (P = 0.016) and MAOA-VNTR (P = 0.004) polymorphisms in the bipolar females. There was no association between MAOA-RFLP and bipolar disorder. CONCLUSIONS The obtained results confirm some previous studies regardinga gender specific association of MAOA gene with the bipolar disorder.
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Affiliation(s)
| | - Sepideh Rajezi Esfahani
- Behavioral Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
| | - Rozita Davari-Ashtiani
- Department of Psychiatry, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
| | - Mojgan Khademi
- Department of Psychiatry, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
| | - Babak Emamalizadeh
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abolfazl Movafagh
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Said Sadr
- Department of Psychiatry, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
| | - Fariba Arabgol
- Department of Psychiatry, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
| | - Hossein Darvish
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Corresponding Authors: Katayoon Razjoyan, Department of Psychiatry, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran. Tel/fax: +98-2123872572, E-mail: ; Hossein Darvish, Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran. Tel/fax: +98-2123872572, E-mail: .
| | - Katayoon Razjoyan
- Department of Psychiatry, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
- Corresponding Authors: Katayoon Razjoyan, Department of Psychiatry, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran. Tel/fax: +98-2123872572, E-mail: ; Hossein Darvish, Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran. Tel/fax: +98-2123872572, E-mail: .
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Ou XM, Udemgba C, Wang N, Dai X, Lomberk G, Seo S, Urrutia R, Wang J, Duncan J, Harris S, Fairbanks CA, Zhang X. Diabetes-causing gene, kruppel-like factor 11, modulates the antinociceptive response of chronic ethanol intake. Alcohol Clin Exp Res 2014; 38:401-8. [PMID: 24428663 DOI: 10.1111/acer.12258] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2012] [Accepted: 07/08/2013] [Indexed: 01/18/2023]
Abstract
BACKGROUND Alcohol (EtOH [ethanol]) is an antinociceptive agent, working in part, by reducing sensitivity to painful stimuli. The transcription factor Kruppel-like factor 11 (KLF11), a human diabetes-causing gene that also regulates the neurotransmitter metabolic enzymes monoamine oxidase (MAO), has recently been identified as an EtOH-inducible gene. However, its role in antinociception remains unknown. Consequently, we investigated the function of KLF11 in chronic EtOH-induced antinociception using a genetically engineered knockout mouse model. METHODS Wild-type (Klf11(+/+) ) and KLF11 knockout (Klf11(-/-) ) mice were fed a liquid diet containing EtOH for 28 days with increasing amounts of EtOH from 0% up to a final concentration of 6.4%, representing a final diet containing 36% of calories primarily from EtOH. Control mice from both genotypes were fed liquid diet without EtOH for 28 days. The EtOH-induced antinociceptive effect was determined using the tail-flick test before and after EtOH exposure (on day 29). In addition, the enzyme activity and mRNA levels of MAO A and MAO B were measured by real-time RT-PCR and enzyme assays, respectively. RESULTS EtOH produced an antinociceptive response to thermal pain in Klf11(+/+) mice, as expected. In contrast, deletion of KLF11 in the Klf11(-/-) mice abolished the EtOH-induced antinociceptive effect. The mRNA and protein levels of KLF11 were significantly increased in the brain prefrontal cortex of Klf11(+/+) mice exposed to EtOH compared with control Klf11(+/+) mice. Furthermore, MAO enzyme activities were affected differently in Klf11 wild-type versus Klf11 knockout mice exposed to chronic EtOH. Chronic EtOH intake significantly increased MAO B activity in Klf11(+/+) mice. CONCLUSIONS The data show KLF11 modulation of EtOH-induced antinociception. The KLF11-targeted MAO B enzyme may contribute more significantly to EtOH-induced antinociception. Thus, this study revealed a new role for the KLF11 gene in the mechanisms underlying the antinociceptive effects of chronic EtOH exposure.
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Affiliation(s)
- Xiao-Ming Ou
- Department of Psychiatry and Human Behavior , University of Mississippi Medical Center, Jackson, Mississippi
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Udemgba C, Johnson S, Stockmeier CA, Luo J, Albert PR, Wang J, May WL, Rajkowska G, Harris S, Sittman DB, Ou XM. The expression of KLF11 (TIEG2), a monoamine oxidase B transcriptional activator in the prefrontal cortex of human alcohol dependence. Alcohol Clin Exp Res 2013; 38:144-51. [PMID: 23915421 DOI: 10.1111/acer.12229] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2013] [Accepted: 05/22/2013] [Indexed: 12/24/2022]
Abstract
BACKGROUND The biochemical pathways underlying alcohol abuse and dependence are not well understood, although brain cell loss and neurotoxicity have been reported in subjects with alcohol dependence. Monoamine oxidase B (MAO B; an enzyme that catabolizes neurotransmitters such as dopamine) is consistently increased in this psychiatric illness. MAO B has been implicated in the pathogenesis of alcohol dependence and alcohol-induced brain neurotoxicity. Recently, the cell growth inhibitor protein, Kruppel-like factor 11 (KLF11), has been reported to be an MAO transcriptional activator. KLF11 is also known as TIEG2 (transforming growth factor-beta-inducible early gene 2) and mediates apoptotic cell death. This study investigates the protein expression of KLF11 and its relationship with MAO B using human postmortem prefrontal cortex from subjects with alcohol dependence. METHODS Twelve subjects with alcohol dependence and the respective psychiatrically normal control subjects were investigated. Expression of KLF11 and MAO B proteins in the prefrontal cortex was measured by Western blot analysis. Correlation studies involving KLF11 and MAO B protein expression were performed. Localization of KLF11 in the human prefrontal cortex was also determined by immunohistochemistry. RESULTS Levels of KLF11 protein were significantly increased by 44% (p < 0.03) in the postmortem prefrontal cortex of subjects with alcohol dependence as compared to age- and gender-matched, psychiatrically normal control subjects. Furthermore, KLF11 levels were significantly and positively correlated with both the increased MAO B protein levels and blood alcohol content in alcohol-dependent subjects. In addition, KLF11 protein expression was visualized in both neuronal and glial cells. CONCLUSIONS This novel study shows the important role of KLF11, an MAO transcriptional activator, in human alcohol dependence. It further supports that the KLF11-MAO B cell death cascade may contribute to chronic alcohol-induced brain damage. This argues a case for KLF11-MAO B inhibition as a novel therapeutic strategy that may impact this highly prevalent illness.
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Affiliation(s)
- Chinelo Udemgba
- Department of Psychiatry and Human Behavior , University of Mississippi Medical Center, Jackson, Mississippi
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