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Nesfatin-1 functions as a switch for phenotype transformation and proliferation of VSMCs in hypertensive vascular remodeling

The phenotypic transformation from differentiated to dedifferentiated vascular smooth muscle cells (VSMCs) plays a crucial role in VSMC proliferation and vascular remodeling in many cardiovascular diseases including hypertension. Nesfatin-1, a multifunctional adipocytokine, is critically involved in...

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Published in:Biochimica et biophysica acta. Molecular basis of disease 2018-06, Vol.1864 (6), p.2154-2168
Main Authors: Lu, Qing-Bo, Wang, Hui-Ping, Tang, Zi-Han, Cheng, Han, Du, Qiong, Wang, Yuan-Ben, Feng, Wu-Bing, Li, Ke-Xue, Cai, Wei-Wei, Qiu, Li-Ying, Sun, Hai-Jian
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container_title Biochimica et biophysica acta. Molecular basis of disease
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creator Lu, Qing-Bo
Wang, Hui-Ping
Tang, Zi-Han
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Qiu, Li-Ying
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description The phenotypic transformation from differentiated to dedifferentiated vascular smooth muscle cells (VSMCs) plays a crucial role in VSMC proliferation and vascular remodeling in many cardiovascular diseases including hypertension. Nesfatin-1, a multifunctional adipocytokine, is critically involved in the regulation of blood pressure. However, it is still largely unexplored whether nesfatin-1 is a potential candidate in VSMC phenotypic switch and proliferation in hypertension. Experiments were carried out in Wistar-Kyoto rats (WKY), spontaneously hypertensive rats (SHR), human VSMCs and primary rat aortic VSMCs. We showed that the expression of nesfatin-1 was upregulated in media layer of the aorta in SHR and SHR-derived VSMCs. Nesfatin-1 promoted VSMC phenotypic transformation, accelerated cell cycle progression and proliferation. Knockdown of nesfatin-1 inhibited the VSMC phenotype switch from a contractile to a synthetic state, attenuated cell cycle progression and retarded VSMC proliferation in SHR-derived VSMCs. Moreover, nesfatin-1-activated PI3K/Akt/mTOR signaling was abolished by JAK/STAT inhibitor WP1066, and the increased phosphorylation levels of JAK2/STAT3 in response to nesfatin-1 were suppressed by inhibition of PI3K/Akt/mTOR in VSMCs. Pharmacological blockade of the forming feedback loop between PI3K/Akt/mTOR and JAK2/STAT3 prevented the proliferation of nesfatin-1-incubated VSMCs and primary VSMCs from SHR. Chronic intraperitoneal injection of nesfatin-1 caused severe hypertension and cardiovascular remodeling in normal rats. In contrast, silencing of nesfatin-1 gene ameliorated hypertension, phenotype switching, and vascular remodeling in the aorta of SHR. Therefore, our data identified nesfatin-1 as a key modulator in hypertension and vascular remodeling by facilitating VSMC phenotypic switching and proliferation. [Display omitted] •Nesfatin-1 promoted VSMC phenotypic transformation, cell cycle progression and proliferation.•PI3K/Akt/mTOR and JAK2/STAT formed a mutual transactivation loop in VSMCs response to nesfatin-1.•Chronic peripheral nesfatin-1 administration caused severe hypertension and cardiovascular remodeling in rats.•Silencing of nesfatin-1 gene ameliorated hypertension, phenotype switching, and vascular remodeling in the aorta of SHR.
doi_str_mv 10.1016/j.bbadis.2018.04.002
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Nesfatin-1, a multifunctional adipocytokine, is critically involved in the regulation of blood pressure. However, it is still largely unexplored whether nesfatin-1 is a potential candidate in VSMC phenotypic switch and proliferation in hypertension. Experiments were carried out in Wistar-Kyoto rats (WKY), spontaneously hypertensive rats (SHR), human VSMCs and primary rat aortic VSMCs. We showed that the expression of nesfatin-1 was upregulated in media layer of the aorta in SHR and SHR-derived VSMCs. Nesfatin-1 promoted VSMC phenotypic transformation, accelerated cell cycle progression and proliferation. Knockdown of nesfatin-1 inhibited the VSMC phenotype switch from a contractile to a synthetic state, attenuated cell cycle progression and retarded VSMC proliferation in SHR-derived VSMCs. Moreover, nesfatin-1-activated PI3K/Akt/mTOR signaling was abolished by JAK/STAT inhibitor WP1066, and the increased phosphorylation levels of JAK2/STAT3 in response to nesfatin-1 were suppressed by inhibition of PI3K/Akt/mTOR in VSMCs. Pharmacological blockade of the forming feedback loop between PI3K/Akt/mTOR and JAK2/STAT3 prevented the proliferation of nesfatin-1-incubated VSMCs and primary VSMCs from SHR. Chronic intraperitoneal injection of nesfatin-1 caused severe hypertension and cardiovascular remodeling in normal rats. In contrast, silencing of nesfatin-1 gene ameliorated hypertension, phenotype switching, and vascular remodeling in the aorta of SHR. Therefore, our data identified nesfatin-1 as a key modulator in hypertension and vascular remodeling by facilitating VSMC phenotypic switching and proliferation. [Display omitted] •Nesfatin-1 promoted VSMC phenotypic transformation, cell cycle progression and proliferation.•PI3K/Akt/mTOR and JAK2/STAT formed a mutual transactivation loop in VSMCs response to nesfatin-1.•Chronic peripheral nesfatin-1 administration caused severe hypertension and cardiovascular remodeling in rats.•Silencing of nesfatin-1 gene ameliorated hypertension, phenotype switching, and vascular remodeling in the aorta of SHR.</description><identifier>ISSN: 0925-4439</identifier><identifier>EISSN: 1879-260X</identifier><identifier>DOI: 10.1016/j.bbadis.2018.04.002</identifier><identifier>PMID: 29627363</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Animals ; Aorta - cytology ; Blood Pressure - physiology ; Calcium-Binding Proteins - physiology ; Cell Proliferation ; Cells, Cultured ; Disease Models, Animal ; DNA-Binding Proteins - physiology ; Gene Knockdown Techniques ; Humans ; Hypertension ; Hypertension - etiology ; Hypertension - pathology ; Male ; Muscle, Smooth, Vascular - cytology ; Myocytes, Smooth Muscle - physiology ; Nerve Tissue Proteins - physiology ; Nesfatin-1 ; Phenotype ; Phenotypic transformation ; Primary Cell Culture ; Rats ; Rats, Inbred SHR ; Rats, Inbred WKY ; RNA, Small Interfering - metabolism ; Signal Transduction - physiology ; Vascular remodeling ; Vascular Remodeling - physiology ; VSMCs</subject><ispartof>Biochimica et biophysica acta. Molecular basis of disease, 2018-06, Vol.1864 (6), p.2154-2168</ispartof><rights>2018 Elsevier B.V.</rights><rights>Copyright © 2018 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c474t-5a45f5b87ca1e5d75704823048178a6e3598a04fdaa43092013cd9d4d07656ac3</citedby><cites>FETCH-LOGICAL-c474t-5a45f5b87ca1e5d75704823048178a6e3598a04fdaa43092013cd9d4d07656ac3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,786,790,27957,27958</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29627363$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lu, Qing-Bo</creatorcontrib><creatorcontrib>Wang, Hui-Ping</creatorcontrib><creatorcontrib>Tang, Zi-Han</creatorcontrib><creatorcontrib>Cheng, Han</creatorcontrib><creatorcontrib>Du, Qiong</creatorcontrib><creatorcontrib>Wang, Yuan-Ben</creatorcontrib><creatorcontrib>Feng, Wu-Bing</creatorcontrib><creatorcontrib>Li, Ke-Xue</creatorcontrib><creatorcontrib>Cai, Wei-Wei</creatorcontrib><creatorcontrib>Qiu, Li-Ying</creatorcontrib><creatorcontrib>Sun, Hai-Jian</creatorcontrib><title>Nesfatin-1 functions as a switch for phenotype transformation and proliferation of VSMCs in hypertensive vascular remodeling</title><title>Biochimica et biophysica acta. Molecular basis of disease</title><addtitle>Biochim Biophys Acta Mol Basis Dis</addtitle><description>The phenotypic transformation from differentiated to dedifferentiated vascular smooth muscle cells (VSMCs) plays a crucial role in VSMC proliferation and vascular remodeling in many cardiovascular diseases including hypertension. Nesfatin-1, a multifunctional adipocytokine, is critically involved in the regulation of blood pressure. However, it is still largely unexplored whether nesfatin-1 is a potential candidate in VSMC phenotypic switch and proliferation in hypertension. Experiments were carried out in Wistar-Kyoto rats (WKY), spontaneously hypertensive rats (SHR), human VSMCs and primary rat aortic VSMCs. We showed that the expression of nesfatin-1 was upregulated in media layer of the aorta in SHR and SHR-derived VSMCs. Nesfatin-1 promoted VSMC phenotypic transformation, accelerated cell cycle progression and proliferation. 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Molecular basis of disease</jtitle><addtitle>Biochim Biophys Acta Mol Basis Dis</addtitle><date>2018-06</date><risdate>2018</risdate><volume>1864</volume><issue>6</issue><spage>2154</spage><epage>2168</epage><pages>2154-2168</pages><issn>0925-4439</issn><eissn>1879-260X</eissn><notes>ObjectType-Article-1</notes><notes>SourceType-Scholarly Journals-1</notes><notes>ObjectType-Feature-2</notes><notes>content type line 23</notes><abstract>The phenotypic transformation from differentiated to dedifferentiated vascular smooth muscle cells (VSMCs) plays a crucial role in VSMC proliferation and vascular remodeling in many cardiovascular diseases including hypertension. Nesfatin-1, a multifunctional adipocytokine, is critically involved in the regulation of blood pressure. However, it is still largely unexplored whether nesfatin-1 is a potential candidate in VSMC phenotypic switch and proliferation in hypertension. Experiments were carried out in Wistar-Kyoto rats (WKY), spontaneously hypertensive rats (SHR), human VSMCs and primary rat aortic VSMCs. We showed that the expression of nesfatin-1 was upregulated in media layer of the aorta in SHR and SHR-derived VSMCs. Nesfatin-1 promoted VSMC phenotypic transformation, accelerated cell cycle progression and proliferation. Knockdown of nesfatin-1 inhibited the VSMC phenotype switch from a contractile to a synthetic state, attenuated cell cycle progression and retarded VSMC proliferation in SHR-derived VSMCs. Moreover, nesfatin-1-activated PI3K/Akt/mTOR signaling was abolished by JAK/STAT inhibitor WP1066, and the increased phosphorylation levels of JAK2/STAT3 in response to nesfatin-1 were suppressed by inhibition of PI3K/Akt/mTOR in VSMCs. Pharmacological blockade of the forming feedback loop between PI3K/Akt/mTOR and JAK2/STAT3 prevented the proliferation of nesfatin-1-incubated VSMCs and primary VSMCs from SHR. Chronic intraperitoneal injection of nesfatin-1 caused severe hypertension and cardiovascular remodeling in normal rats. In contrast, silencing of nesfatin-1 gene ameliorated hypertension, phenotype switching, and vascular remodeling in the aorta of SHR. Therefore, our data identified nesfatin-1 as a key modulator in hypertension and vascular remodeling by facilitating VSMC phenotypic switching and proliferation. [Display omitted] •Nesfatin-1 promoted VSMC phenotypic transformation, cell cycle progression and proliferation.•PI3K/Akt/mTOR and JAK2/STAT formed a mutual transactivation loop in VSMCs response to nesfatin-1.•Chronic peripheral nesfatin-1 administration caused severe hypertension and cardiovascular remodeling in rats.•Silencing of nesfatin-1 gene ameliorated hypertension, phenotype switching, and vascular remodeling in the aorta of SHR.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>29627363</pmid><doi>10.1016/j.bbadis.2018.04.002</doi><tpages>15</tpages><oa>free_for_read</oa></addata></record>
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subjects Animals
Aorta - cytology
Blood Pressure - physiology
Calcium-Binding Proteins - physiology
Cell Proliferation
Cells, Cultured
Disease Models, Animal
DNA-Binding Proteins - physiology
Gene Knockdown Techniques
Humans
Hypertension
Hypertension - etiology
Hypertension - pathology
Male
Muscle, Smooth, Vascular - cytology
Myocytes, Smooth Muscle - physiology
Nerve Tissue Proteins - physiology
Nesfatin-1
Phenotype
Phenotypic transformation
Primary Cell Culture
Rats
Rats, Inbred SHR
Rats, Inbred WKY
RNA, Small Interfering - metabolism
Signal Transduction - physiology
Vascular remodeling
Vascular Remodeling - physiology
VSMCs
title Nesfatin-1 functions as a switch for phenotype transformation and proliferation of VSMCs in hypertensive vascular remodeling
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