Heejin Lee, Hye-Ji Kim, Dong-Kyu Choi, Eu N-A Ko, Jae-Hyeog Choi, Yohan Seo, Sion Lee, Soong-Hyun Kim, Sejin Jung, Minwoo Kim, Dongwan Kang, Chun-Young Im, Gi-Hun Bae, Sung-Cherl Jung, Oh-Bin Kwon
{"title":"通过I类HDAC抑制剂TC-H 106表达VMAT2来保护多巴胺能细胞和减轻神经精神疾病症状。","authors":"Heejin Lee, Hye-Ji Kim, Dong-Kyu Choi, Eu N-A Ko, Jae-Hyeog Choi, Yohan Seo, Sion Lee, Soong-Hyun Kim, Sejin Jung, Minwoo Kim, Dongwan Kang, Chun-Young Im, Gi-Hun Bae, Sung-Cherl Jung, Oh-Bin Kwon","doi":"10.1002/prp2.1135","DOIUrl":null,"url":null,"abstract":"<p><p>The importance of vesicular monoamine transporter 2 (VMAT2) in dopamine regulation, which is considered crucial for neuropsychiatric disorders, is currently being studied. Moreover, the development of disease treatments using histone deacetylase (HDAC) inhibitors (HDACi) is actively progressing in various fields. Recently, research on the possibility of regulating neuropsychiatric disorders has been conducted. In this study, we evaluated whether VMAT2 expression increased by an HDACi can fine-tune neuropsychotic behavior, such as attention deficit hyperactivity disorder (ADHD) and protect against the cell toxicity through oxidized dopamine. First, approximately 300 candidate HDACi compounds were added to the SH-SY5Y dopaminergic cell line to identify the possible changes in the VMAT2 expression levels, which were measured using quantitative polymerase chain reaction. The results demonstrated, that treatment with pimelic diphenylamide 106 (TC-H 106), a class I HDACi, increased VMAT2 expression in both the SH-SY5Y cells and mouse brain. The increased VMAT2 expression induced by TC-H 106 alleviated the cytotoxicity attributed to 6-hydroxydopamine (6-OHDA) or 1-methyl-4-phenylpyridinium (MPP<sup>+</sup> ) and free dopamine treatment. Moreover, dopamine concentrations, both intracellularly and in the synaptosomes, were significantly elevated by increased VMAT2 expression. These results suggest that dopamine concentration regulation by VMAT2 expression induced by TC-H 106 could alter several related behavioral aspects that was confirmed by attenuation of hyperactivity and impulsivity, which were major characteristics of animal model showing ADHD-like behaviors. These results indicate that HDACi-increased VMAT2 expression offers sufficient protections against dopaminergic cell death induced by oxidative stress. Thus, the epigenetic approach could be considered as therapeutic candidate for neuropsychiatric disease regulation.</p>","PeriodicalId":19948,"journal":{"name":"Pharmacology Research & Perspectives","volume":null,"pages":null},"PeriodicalIF":2.9000,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/3f/19/PRP2-11-e01135.PMC10517640.pdf","citationCount":"0","resultStr":"{\"title\":\"Dopaminergic cell protection and alleviation of neuropsychiatric disease symptoms by VMAT2 expression through the class I HDAC inhibitor TC-H 106.\",\"authors\":\"Heejin Lee, Hye-Ji Kim, Dong-Kyu Choi, Eu N-A Ko, Jae-Hyeog Choi, Yohan Seo, Sion Lee, Soong-Hyun Kim, Sejin Jung, Minwoo Kim, Dongwan Kang, Chun-Young Im, Gi-Hun Bae, Sung-Cherl Jung, Oh-Bin Kwon\",\"doi\":\"10.1002/prp2.1135\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>The importance of vesicular monoamine transporter 2 (VMAT2) in dopamine regulation, which is considered crucial for neuropsychiatric disorders, is currently being studied. 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The increased VMAT2 expression induced by TC-H 106 alleviated the cytotoxicity attributed to 6-hydroxydopamine (6-OHDA) or 1-methyl-4-phenylpyridinium (MPP<sup>+</sup> ) and free dopamine treatment. Moreover, dopamine concentrations, both intracellularly and in the synaptosomes, were significantly elevated by increased VMAT2 expression. These results suggest that dopamine concentration regulation by VMAT2 expression induced by TC-H 106 could alter several related behavioral aspects that was confirmed by attenuation of hyperactivity and impulsivity, which were major characteristics of animal model showing ADHD-like behaviors. These results indicate that HDACi-increased VMAT2 expression offers sufficient protections against dopaminergic cell death induced by oxidative stress. 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Dopaminergic cell protection and alleviation of neuropsychiatric disease symptoms by VMAT2 expression through the class I HDAC inhibitor TC-H 106.
The importance of vesicular monoamine transporter 2 (VMAT2) in dopamine regulation, which is considered crucial for neuropsychiatric disorders, is currently being studied. Moreover, the development of disease treatments using histone deacetylase (HDAC) inhibitors (HDACi) is actively progressing in various fields. Recently, research on the possibility of regulating neuropsychiatric disorders has been conducted. In this study, we evaluated whether VMAT2 expression increased by an HDACi can fine-tune neuropsychotic behavior, such as attention deficit hyperactivity disorder (ADHD) and protect against the cell toxicity through oxidized dopamine. First, approximately 300 candidate HDACi compounds were added to the SH-SY5Y dopaminergic cell line to identify the possible changes in the VMAT2 expression levels, which were measured using quantitative polymerase chain reaction. The results demonstrated, that treatment with pimelic diphenylamide 106 (TC-H 106), a class I HDACi, increased VMAT2 expression in both the SH-SY5Y cells and mouse brain. The increased VMAT2 expression induced by TC-H 106 alleviated the cytotoxicity attributed to 6-hydroxydopamine (6-OHDA) or 1-methyl-4-phenylpyridinium (MPP+ ) and free dopamine treatment. Moreover, dopamine concentrations, both intracellularly and in the synaptosomes, were significantly elevated by increased VMAT2 expression. These results suggest that dopamine concentration regulation by VMAT2 expression induced by TC-H 106 could alter several related behavioral aspects that was confirmed by attenuation of hyperactivity and impulsivity, which were major characteristics of animal model showing ADHD-like behaviors. These results indicate that HDACi-increased VMAT2 expression offers sufficient protections against dopaminergic cell death induced by oxidative stress. Thus, the epigenetic approach could be considered as therapeutic candidate for neuropsychiatric disease regulation.
期刊介绍:
PR&P is jointly published by the American Society for Pharmacology and Experimental Therapeutics (ASPET), the British Pharmacological Society (BPS), and Wiley. PR&P is a bi-monthly open access journal that publishes a range of article types, including: target validation (preclinical papers that show a hypothesis is incorrect or papers on drugs that have failed in early clinical development); drug discovery reviews (strategy, hypotheses, and data resulting in a successful therapeutic drug); frontiers in translational medicine (drug and target validation for an unmet therapeutic need); pharmacological hypotheses (reviews that are oriented to inform a novel hypothesis); and replication studies (work that refutes key findings [failed replication] and work that validates key findings). PR&P publishes papers submitted directly to the journal and those referred from the journals of ASPET and the BPS