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A chemical genomics-aggrephagy integrated method studying functional analysis of autophagy inducers.

Identifieur interne : 000159 ( Main/Exploration ); précédent : 000158; suivant : 000160

A chemical genomics-aggrephagy integrated method studying functional analysis of autophagy inducers.

Auteurs : Tetsushi Kataura [Japon] ; Etsu Tashiro [Japon] ; Shota Nishikawa [Japon] ; Kensuke Shibahara [Japon] ; Yoshihito Muraoka [Japon] ; Masahiro Miura [Japon] ; Shun Sakai [Japon] ; Naohiro Katoh [Japon] ; Misato Totsuka [Japon] ; Masafumi Onodera [Japon] ; Kazuo Shin-Ya [Japon] ; Kengo Miyamoto [Japon] ; Yukiko Sasazawa [Japon] ; Nobutaka Hattori [Japon] ; Shinji Saiki [Japon] ; Masaya Imoto [Japon]

Source :

RBID : pubmed:32762399

Abstract

Macroautophagy/autophagy plays a critical role in the pathogenesis of various human diseases including neurodegenerative disorders such as Parkinson disease (PD) and Huntington disease (HD). Chemical autophagy inducers are expected to serve as disease-modifying agents by eliminating cytotoxic/damaged proteins. Although many autophagy inducers have been identified, their precise molecular mechanisms are not fully understood because of the complicated crosstalk among signaling pathways. To address this issue, we performed several chemical genomic analyses enabling us to comprehend the dominancy among the autophagy-associated pathways followed by an aggresome-clearance assay. In a first step, more than 400 target-established small molecules were assessed for their ability to activate autophagic flux in neuronal PC12D cells, and we identified 39 compounds as autophagy inducers. We then profiled the autophagy inducers by testing their effect on the induction of autophagy by 200 well-established signal transduction modulators. Our principal component analysis (PCA) and clustering analysis using a dataset of "autophagy profiles" revealed that two Food and Drug Administration (FDA)-approved drugs, memantine and clemastine, activate endoplasmic reticulum (ER) stress responses, which could lead to autophagy induction. We also confirmed that SMK-17, a recently identified autophagy inducer, induced autophagy via the PRKC/PKC-TFEB pathway, as had been predicted from PCA. Finally, we showed that almost all of the autophagy inducers tested in this present work significantly enhanced the clearance of the protein aggregates observed in cellular models of PD and HD. These results, with the combined approach, suggested that autophagy-activating small molecules may improve proteinopathies by eliminating nonfunctional protein aggregates.

ABBREVIATIONS

ADK: adenosine kinase; AMPK: AMP-activated protein kinase; ATF4: activating transcription factor 4; BECN1: beclin-1; DDIT3/CHOP: DNA damage inducible transcript 3; EIF2AK3/PERK: eukaryotic translation initiation factor 2 alpha kinase 3; EIF2S1/eIF2α: eukaryotic translation initiation factor 2 subunit alpha; ER: endoplasmic reticulum; ERN1/IRE1α: endoplasmic reticulum to nucleus signaling 1; FDA: Food and Drug Administration; GSH: glutathione; HD: Huntington disease; HSPA5/GRP78: heat shock protein family A (Hsp70) member 5; HTT: huntingtin; JAK: Janus kinase, MAP1LC3B/LC3: microtubule associated protein 1 light chain 3 beta; MAP2K/MEK: mitogen-activated protein kinase kinase; MAP3K8/Tpl2: mitogen-activated protein kinase kinase kinase 8; MAPK: mitogen-activated protein kinase; MPP


DOI: 10.1080/15548627.2020.1794590
PubMed: 32762399


Affiliations:


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<nlm:affiliation>Department of Biosciences and Informatics, Keio University , Kanagawa, Japan.</nlm:affiliation>
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<name sortKey="Nishikawa, Shota" sort="Nishikawa, Shota" uniqKey="Nishikawa S" first="Shota" last="Nishikawa">Shota Nishikawa</name>
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<name sortKey="Shibahara, Kensuke" sort="Shibahara, Kensuke" uniqKey="Shibahara K" first="Kensuke" last="Shibahara">Kensuke Shibahara</name>
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<nlm:affiliation>Department of Biosciences and Informatics, Keio University , Kanagawa, Japan.</nlm:affiliation>
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<name sortKey="Muraoka, Yoshihito" sort="Muraoka, Yoshihito" uniqKey="Muraoka Y" first="Yoshihito" last="Muraoka">Yoshihito Muraoka</name>
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<nlm:affiliation>Department of Biosciences and Informatics, Keio University , Kanagawa, Japan.</nlm:affiliation>
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<name sortKey="Miura, Masahiro" sort="Miura, Masahiro" uniqKey="Miura M" first="Masahiro" last="Miura">Masahiro Miura</name>
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<name sortKey="Onodera, Masafumi" sort="Onodera, Masafumi" uniqKey="Onodera M" first="Masafumi" last="Onodera">Masafumi Onodera</name>
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<name sortKey="Miyamoto, Kengo" sort="Miyamoto, Kengo" uniqKey="Miyamoto K" first="Kengo" last="Miyamoto">Kengo Miyamoto</name>
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<wicri:regionArea>Department of Neurology, Juntendo University School of Medicine , Tokyo</wicri:regionArea>
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<name sortKey="Sasazawa, Yukiko" sort="Sasazawa, Yukiko" uniqKey="Sasazawa Y" first="Yukiko" last="Sasazawa">Yukiko Sasazawa</name>
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<nlm:affiliation>Department of Biosciences and Informatics, Keio University , Kanagawa, Japan.</nlm:affiliation>
<country xml:lang="fr">Japon</country>
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<nlm:affiliation>Department of Neurology, Juntendo University School of Medicine , Tokyo, Japan.</nlm:affiliation>
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<wicri:regionArea>Department of Neurology, Juntendo University School of Medicine , Tokyo</wicri:regionArea>
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<settlement type="city">Tokyo</settlement>
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<name sortKey="Hattori, Nobutaka" sort="Hattori, Nobutaka" uniqKey="Hattori N" first="Nobutaka" last="Hattori">Nobutaka Hattori</name>
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<nlm:affiliation>Department of Neurology, Juntendo University School of Medicine , Tokyo, Japan.</nlm:affiliation>
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<wicri:regionArea>Department of Neurology, Juntendo University School of Medicine , Tokyo</wicri:regionArea>
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<name sortKey="Saiki, Shinji" sort="Saiki, Shinji" uniqKey="Saiki S" first="Shinji" last="Saiki">Shinji Saiki</name>
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<nlm:affiliation>Department of Neurology, Juntendo University School of Medicine , Tokyo, Japan.</nlm:affiliation>
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<name sortKey="Imoto, Masaya" sort="Imoto, Masaya" uniqKey="Imoto M" first="Masaya" last="Imoto">Masaya Imoto</name>
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<nlm:affiliation>Department of Biosciences and Informatics, Keio University , Kanagawa, Japan.</nlm:affiliation>
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<title level="j">Autophagy</title>
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<div type="abstract" xml:lang="en">Macroautophagy/autophagy plays a critical role in the pathogenesis of various human diseases including neurodegenerative disorders such as Parkinson disease (PD) and Huntington disease (HD). Chemical autophagy inducers are expected to serve as disease-modifying agents by eliminating cytotoxic/damaged proteins. Although many autophagy inducers have been identified, their precise molecular mechanisms are not fully understood because of the complicated crosstalk among signaling pathways. To address this issue, we performed several chemical genomic analyses enabling us to comprehend the dominancy among the autophagy-associated pathways followed by an aggresome-clearance assay. In a first step, more than 400 target-established small molecules were assessed for their ability to activate autophagic flux in neuronal PC12D cells, and we identified 39 compounds as autophagy inducers. We then profiled the autophagy inducers by testing their effect on the induction of autophagy by 200 well-established signal transduction modulators. Our principal component analysis (PCA) and clustering analysis using a dataset of "autophagy profiles" revealed that two Food and Drug Administration (FDA)-approved drugs, memantine and clemastine, activate endoplasmic reticulum (ER) stress responses, which could lead to autophagy induction. We also confirmed that SMK-17, a recently identified autophagy inducer, induced autophagy via the PRKC/PKC-TFEB pathway, as had been predicted from PCA. Finally, we showed that almost all of the autophagy inducers tested in this present work significantly enhanced the clearance of the protein aggregates observed in cellular models of PD and HD. These results, with the combined approach, suggested that autophagy-activating small molecules may improve proteinopathies by eliminating nonfunctional protein aggregates.</div>
<div type="abstract" xml:lang="en">
<p>
<b>ABBREVIATIONS</b>
</p>
<p>ADK: adenosine kinase; AMPK: AMP-activated protein kinase; ATF4: activating transcription factor 4; BECN1: beclin-1; DDIT3/CHOP: DNA damage inducible transcript 3; EIF2AK3/PERK: eukaryotic translation initiation factor 2 alpha kinase 3; EIF2S1/eIF2α: eukaryotic translation initiation factor 2 subunit alpha; ER: endoplasmic reticulum; ERN1/IRE1α: endoplasmic reticulum to nucleus signaling 1; FDA: Food and Drug Administration; GSH: glutathione; HD: Huntington disease; HSPA5/GRP78: heat shock protein family A (Hsp70) member 5; HTT: huntingtin; JAK: Janus kinase, MAP1LC3B/LC3: microtubule associated protein 1 light chain 3 beta; MAP2K/MEK: mitogen-activated protein kinase kinase; MAP3K8/Tpl2: mitogen-activated protein kinase kinase kinase 8; MAPK: mitogen-activated protein kinase; MPP</p>
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<AbstractText>Macroautophagy/autophagy plays a critical role in the pathogenesis of various human diseases including neurodegenerative disorders such as Parkinson disease (PD) and Huntington disease (HD). Chemical autophagy inducers are expected to serve as disease-modifying agents by eliminating cytotoxic/damaged proteins. Although many autophagy inducers have been identified, their precise molecular mechanisms are not fully understood because of the complicated crosstalk among signaling pathways. To address this issue, we performed several chemical genomic analyses enabling us to comprehend the dominancy among the autophagy-associated pathways followed by an aggresome-clearance assay. In a first step, more than 400 target-established small molecules were assessed for their ability to activate autophagic flux in neuronal PC12D cells, and we identified 39 compounds as autophagy inducers. We then profiled the autophagy inducers by testing their effect on the induction of autophagy by 200 well-established signal transduction modulators. Our principal component analysis (PCA) and clustering analysis using a dataset of "autophagy profiles" revealed that two Food and Drug Administration (FDA)-approved drugs, memantine and clemastine, activate endoplasmic reticulum (ER) stress responses, which could lead to autophagy induction. We also confirmed that SMK-17, a recently identified autophagy inducer, induced autophagy via the PRKC/PKC-TFEB pathway, as had been predicted from PCA. Finally, we showed that almost all of the autophagy inducers tested in this present work significantly enhanced the clearance of the protein aggregates observed in cellular models of PD and HD. These results, with the combined approach, suggested that autophagy-activating small molecules may improve proteinopathies by eliminating nonfunctional protein aggregates.</AbstractText>
<AbstractText Label="ABBREVIATIONS" NlmCategory="BACKGROUND">ADK: adenosine kinase; AMPK: AMP-activated protein kinase; ATF4: activating transcription factor 4; BECN1: beclin-1; DDIT3/CHOP: DNA damage inducible transcript 3; EIF2AK3/PERK: eukaryotic translation initiation factor 2 alpha kinase 3; EIF2S1/eIF2α: eukaryotic translation initiation factor 2 subunit alpha; ER: endoplasmic reticulum; ERN1/IRE1α: endoplasmic reticulum to nucleus signaling 1; FDA: Food and Drug Administration; GSH: glutathione; HD: Huntington disease; HSPA5/GRP78: heat shock protein family A (Hsp70) member 5; HTT: huntingtin; JAK: Janus kinase, MAP1LC3B/LC3: microtubule associated protein 1 light chain 3 beta; MAP2K/MEK: mitogen-activated protein kinase kinase; MAP3K8/Tpl2: mitogen-activated protein kinase kinase kinase 8; MAPK: mitogen-activated protein kinase; MPP
<sup>+</sup>
: 1-methyl-4-phenylpyridinium; MTOR: mechanistic target of rapamycin kinase; MTORC: MTOR complex; NAC: N-acetylcysteine; NGF: nerve growth factor 2; NMDA: N-methyl-D-aspartate; PCA: principal component analysis; PD: Parkinson disease; PDA: pancreatic ductal adenocarcinoma; PIK3C3: phosphatidylinositol 3-kinase catalytic subunit type 3; PMA: phorbol 12-myristate 13-acetate; PRKC/PKC: protein kinase C; ROCK: Rho-associated coiled-coil protein kinase; RR: ribonucleotide reductase; SIGMAR1: sigma non-opioid intracellular receptor 1; SQSTM1/p62: sequestosome 1; STK11/LKB1: serine/threonine kinase 11; TFEB: Transcription factor EB; TGFB/TGF-β: Transforming growth factor beta; ULK1: unc-51 like autophagy activating kinase 1; XBP1: X-box binding protein 1.</AbstractText>
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<ForeName>Tetsushi</ForeName>
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<AffiliationInfo>
<Affiliation>Research Fellow of the Japan Society for the Promotion of Science (JSPS) , Tokyo, Japan.</Affiliation>
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<ForeName>Etsu</ForeName>
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<ForeName>Shota</ForeName>
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<ForeName>Kensuke</ForeName>
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<ForeName>Yoshihito</ForeName>
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