Apigenin Improves Hypertension and Cardiac Hypertrophy Through Modulating NADPH Oxidase-Dependent ROS Generation and Cytokines in Hypothalamic Paraventricular Nucleus

Apigenin, identified as 4′, 5, 7-trihydroxyflavone, is a natural flavonoid compound that has many interesting pharmacological activities and nutraceutical potential including anti-inflammatory and antioxidant functions. Chronic, low-grade inflammation and oxidative stress are involved in both the in...

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Veröffentlicht in:Cardiovascular toxicology 2021-09, Vol.21 (9), p.721-736
Hauptverfasser: Gao, Hong-Li, Yu, Xiao-Jing, Hu, Han-Bo, Yang, Qian-Wen, Liu, Kai-Li, Chen, Yan-Mei, Zhang, Yan, Zhang, Dong-Dong, Tian, Hua, Zhu, Guo-Qing, Qi, Jie, Kang, Yu-Ming
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container_end_page 736
container_issue 9
container_start_page 721
container_title Cardiovascular toxicology
container_volume 21
creator Gao, Hong-Li
Yu, Xiao-Jing
Hu, Han-Bo
Yang, Qian-Wen
Liu, Kai-Li
Chen, Yan-Mei
Zhang, Yan
Zhang, Dong-Dong
Tian, Hua
Zhu, Guo-Qing
Qi, Jie
Kang, Yu-Ming
description Apigenin, identified as 4′, 5, 7-trihydroxyflavone, is a natural flavonoid compound that has many interesting pharmacological activities and nutraceutical potential including anti-inflammatory and antioxidant functions. Chronic, low-grade inflammation and oxidative stress are involved in both the initiation and progression of hypertension and hypertension-induced cardiac hypertrophy. However, whether or not apigenin improves hypertension and cardiac hypertrophy through modulating NADPH oxidase-dependent reactive oxygen species (ROS) generation and inflammation in hypothalamic paraventricular nucleus (PVN) has not been reported. This study aimed to investigate the effects of apigenin on hypertension in spontaneously hypertensive rats (SHRs) and its possible central mechanism of action. SHRs and Wistar-Kyoto (WKY) rats were randomly assigned and treated with bilateral PVN infusion of apigenin or vehicle (artificial cerebrospinal fluid) via osmotic minipumps (20 μg/h) for 4 weeks. The results showed that after PVN infusion of apigenin, the mean arterial pressure (MAP), heart rate, plasma norepinephrine (NE), Beta 1 receptor in kidneys, level of phosphorylation of PKA in the ventricular tissue and cardiac hypertrophy, perivascular fibrosis, heart level of oxidative stress, PVN levels of oxidative stress, interleukin 1β (IL-1β), interleukin 6 (IL-6), iNOS, monocyte chemotactic protein 1 (MCP-1), tyrosine hydroxylase (TH), NOX2 and NOX4 were attenuated and PVN levels of interleukin 10 (IL-10), superoxide dismutase 1 (Cu/Zn-SOD) and the 67-kDa isoform of glutamate decarboxylase (GAD67) were increased. These results revealed that apigenin improves hypertension and cardiac hypertrophy in SHRs which are associated with the down-regulation of NADPH oxidase-dependent ROS generation and inflammation in the PVN.
doi_str_mv 10.1007/s12012-021-09662-1
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Chronic, low-grade inflammation and oxidative stress are involved in both the initiation and progression of hypertension and hypertension-induced cardiac hypertrophy. However, whether or not apigenin improves hypertension and cardiac hypertrophy through modulating NADPH oxidase-dependent reactive oxygen species (ROS) generation and inflammation in hypothalamic paraventricular nucleus (PVN) has not been reported. This study aimed to investigate the effects of apigenin on hypertension in spontaneously hypertensive rats (SHRs) and its possible central mechanism of action. SHRs and Wistar-Kyoto (WKY) rats were randomly assigned and treated with bilateral PVN infusion of apigenin or vehicle (artificial cerebrospinal fluid) via osmotic minipumps (20 μg/h) for 4 weeks. The results showed that after PVN infusion of apigenin, the mean arterial pressure (MAP), heart rate, plasma norepinephrine (NE), Beta 1 receptor in kidneys, level of phosphorylation of PKA in the ventricular tissue and cardiac hypertrophy, perivascular fibrosis, heart level of oxidative stress, PVN levels of oxidative stress, interleukin 1β (IL-1β), interleukin 6 (IL-6), iNOS, monocyte chemotactic protein 1 (MCP-1), tyrosine hydroxylase (TH), NOX2 and NOX4 were attenuated and PVN levels of interleukin 10 (IL-10), superoxide dismutase 1 (Cu/Zn-SOD) and the 67-kDa isoform of glutamate decarboxylase (GAD67) were increased. 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The results showed that after PVN infusion of apigenin, the mean arterial pressure (MAP), heart rate, plasma norepinephrine (NE), Beta 1 receptor in kidneys, level of phosphorylation of PKA in the ventricular tissue and cardiac hypertrophy, perivascular fibrosis, heart level of oxidative stress, PVN levels of oxidative stress, interleukin 1β (IL-1β), interleukin 6 (IL-6), iNOS, monocyte chemotactic protein 1 (MCP-1), tyrosine hydroxylase (TH), NOX2 and NOX4 were attenuated and PVN levels of interleukin 10 (IL-10), superoxide dismutase 1 (Cu/Zn-SOD) and the 67-kDa isoform of glutamate decarboxylase (GAD67) were increased. These results revealed that apigenin improves hypertension and cardiac hypertrophy in SHRs which are associated with the down-regulation of NADPH oxidase-dependent ROS generation and inflammation in the PVN.</description><subject>Animals</subject><subject>Anti-Inflammatory Agents - pharmacology</subject><subject>Antihypertensive Agents - pharmacology</subject><subject>Antioxidants</subject><subject>Antioxidants - pharmacology</subject><subject>Apigenin - pharmacology</subject><subject>Arterial Pressure - drug effects</subject><subject>Bioflavonoids</subject><subject>Biomedical and Life Sciences</subject><subject>Biomedicine</subject><subject>Blood pressure</subject><subject>Brain</subject><subject>Cardiology</subject><subject>Cardiomegaly - drug therapy</subject><subject>Cardiomegaly - enzymology</subject><subject>Cardiomegaly - physiopathology</subject><subject>Cerebrospinal fluid</subject><subject>CYBB protein</subject><subject>Cytokines</subject><subject>Cytokines - metabolism</subject><subject>Disease Models, Animal</subject><subject>Down-regulation</subject><subject>Fibrosis</subject><subject>Flavones</subject><subject>Flavonoids</subject><subject>Functional foods &amp; nutraceuticals</subject><subject>Glutamate decarboxylase</subject><subject>Heart</subject><subject>Heart beat</subject><subject>Heart enlargement</subject><subject>Heart rate</subject><subject>Hydroxylase</subject><subject>Hypertension</subject><subject>Hypertension - drug therapy</subject><subject>Hypertension - enzymology</subject><subject>Hypertension - physiopathology</subject><subject>Hypertrophy</subject><subject>Hypothalamus</subject><subject>Inflammation</subject><subject>Interleukin 10</subject><subject>Interleukin 6</subject><subject>Interleukins</subject><subject>Kidneys</subject><subject>Male</subject><subject>Monocyte chemoattractant protein 1</subject><subject>Monocytes</subject><subject>Myocardium - metabolism</subject><subject>Myocardium - pathology</subject><subject>NAD(P)H oxidase</subject><subject>NADPH Oxidases - genetics</subject><subject>NADPH Oxidases - metabolism</subject><subject>Nitric-oxide synthase</subject><subject>Norepinephrine</subject><subject>Oxidases</subject><subject>Oxidation</subject><subject>Oxidative stress</subject><subject>Oxidative Stress - drug effects</subject><subject>Paraventricular Hypothalamic Nucleus - drug effects</subject><subject>Paraventricular Hypothalamic Nucleus - enzymology</subject><subject>Paraventricular Hypothalamic Nucleus - physiopathology</subject><subject>Pharmacology/Toxicology</subject><subject>Phosphorylation</subject><subject>Rats</subject><subject>Rats, Inbred SHR</subject><subject>Rats, Inbred WKY</subject><subject>Reactive oxygen species</subject><subject>Reactive Oxygen Species - metabolism</subject><subject>Superoxide</subject><subject>Superoxide dismutase</subject><subject>Tyrosine</subject><subject>Ventricle</subject><subject>Ventricular Function, Left - drug effects</subject><subject>Ventricular Remodeling - drug effects</subject><issn>1530-7905</issn><issn>1559-0259</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><recordid>eNp9ktFu0zAUhiMEYmPwAlwgS9xwk2E7dhJfVh2sk8Y6wbi2XOc09UjszE4m-kI8J6e0YwIhZEu27O__z7H1Z9lrRk8ZpdX7xDhlPKec5VSVJc_Zk-yYSanwSKqnu31B80pReZS9SOmWUs55KZ9nR4WgVVkX9Dj7MRtcC955ctEPMdxDIovtAHEEn1zwxPiGzE1snLGHixiGzZbcbGKY2g35FJqpM6PzLbmanV0vyPK7a0yC_AwG8A34kXxefiHn4CEi9uC4HcM357EYFkbbMG5MZ3pnybWJ5h5V0Vn0jeRqsh1M6WX2bG26BK8O60n29eOHm_kiv1yeX8xnl7kVgo95TYUBqnCKwpScWiVW1Yo2XBlTl7WoClavmJWMWctVUStoABFJK86ZKG1xkr3b--Jf3E2QRt27ZKHrjIcwJc1lUYoaa0lE3_6F3oYpeuwOKSmEUoryR6o1HWjn12GMxu5M9ayiZVFXtayROv0HhaMB_JTgYe3w_A8B3wtsDClFWOshut7ErWZU78Kh9-HQGA79KxyaoejNoeNp1UPzW_KQBgSKPZDwyrcQH5_0H9ufPYvEmQ</recordid><startdate>20210901</startdate><enddate>20210901</enddate><creator>Gao, Hong-Li</creator><creator>Yu, Xiao-Jing</creator><creator>Hu, Han-Bo</creator><creator>Yang, Qian-Wen</creator><creator>Liu, Kai-Li</creator><creator>Chen, Yan-Mei</creator><creator>Zhang, Yan</creator><creator>Zhang, Dong-Dong</creator><creator>Tian, Hua</creator><creator>Zhu, Guo-Qing</creator><creator>Qi, Jie</creator><creator>Kang, Yu-Ming</creator><general>Springer US</general><general>Springer</general><general>Springer Nature B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7T5</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>H94</scope><scope>K9.</scope><scope>M0S</scope><scope>M1P</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope></search><sort><creationdate>20210901</creationdate><title>Apigenin Improves Hypertension and Cardiac Hypertrophy Through Modulating NADPH Oxidase-Dependent ROS Generation and Cytokines in Hypothalamic Paraventricular Nucleus</title><author>Gao, Hong-Li ; Yu, Xiao-Jing ; Hu, Han-Bo ; Yang, Qian-Wen ; Liu, Kai-Li ; Chen, Yan-Mei ; Zhang, Yan ; Zhang, Dong-Dong ; Tian, Hua ; Zhu, Guo-Qing ; Qi, Jie ; Kang, Yu-Ming</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c442t-804ae09e0943a620c94b7b0d29aa86847318b1c511cc29389ede94b50722146c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Animals</topic><topic>Anti-Inflammatory Agents - pharmacology</topic><topic>Antihypertensive Agents - pharmacology</topic><topic>Antioxidants</topic><topic>Antioxidants - pharmacology</topic><topic>Apigenin - pharmacology</topic><topic>Arterial Pressure - drug effects</topic><topic>Bioflavonoids</topic><topic>Biomedical and Life Sciences</topic><topic>Biomedicine</topic><topic>Blood pressure</topic><topic>Brain</topic><topic>Cardiology</topic><topic>Cardiomegaly - drug therapy</topic><topic>Cardiomegaly - enzymology</topic><topic>Cardiomegaly - physiopathology</topic><topic>Cerebrospinal fluid</topic><topic>CYBB protein</topic><topic>Cytokines</topic><topic>Cytokines - metabolism</topic><topic>Disease Models, Animal</topic><topic>Down-regulation</topic><topic>Fibrosis</topic><topic>Flavones</topic><topic>Flavonoids</topic><topic>Functional foods &amp; 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Chronic, low-grade inflammation and oxidative stress are involved in both the initiation and progression of hypertension and hypertension-induced cardiac hypertrophy. However, whether or not apigenin improves hypertension and cardiac hypertrophy through modulating NADPH oxidase-dependent reactive oxygen species (ROS) generation and inflammation in hypothalamic paraventricular nucleus (PVN) has not been reported. This study aimed to investigate the effects of apigenin on hypertension in spontaneously hypertensive rats (SHRs) and its possible central mechanism of action. SHRs and Wistar-Kyoto (WKY) rats were randomly assigned and treated with bilateral PVN infusion of apigenin or vehicle (artificial cerebrospinal fluid) via osmotic minipumps (20 μg/h) for 4 weeks. The results showed that after PVN infusion of apigenin, the mean arterial pressure (MAP), heart rate, plasma norepinephrine (NE), Beta 1 receptor in kidneys, level of phosphorylation of PKA in the ventricular tissue and cardiac hypertrophy, perivascular fibrosis, heart level of oxidative stress, PVN levels of oxidative stress, interleukin 1β (IL-1β), interleukin 6 (IL-6), iNOS, monocyte chemotactic protein 1 (MCP-1), tyrosine hydroxylase (TH), NOX2 and NOX4 were attenuated and PVN levels of interleukin 10 (IL-10), superoxide dismutase 1 (Cu/Zn-SOD) and the 67-kDa isoform of glutamate decarboxylase (GAD67) were increased. These results revealed that apigenin improves hypertension and cardiac hypertrophy in SHRs which are associated with the down-regulation of NADPH oxidase-dependent ROS generation and inflammation in the PVN.</abstract><cop>New York</cop><pub>Springer US</pub><pmid>34076830</pmid><doi>10.1007/s12012-021-09662-1</doi><tpages>16</tpages></addata></record>
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source MEDLINE; SpringerLink Journals - AutoHoldings
subjects Animals
Anti-Inflammatory Agents - pharmacology
Antihypertensive Agents - pharmacology
Antioxidants
Antioxidants - pharmacology
Apigenin - pharmacology
Arterial Pressure - drug effects
Bioflavonoids
Biomedical and Life Sciences
Biomedicine
Blood pressure
Brain
Cardiology
Cardiomegaly - drug therapy
Cardiomegaly - enzymology
Cardiomegaly - physiopathology
Cerebrospinal fluid
CYBB protein
Cytokines
Cytokines - metabolism
Disease Models, Animal
Down-regulation
Fibrosis
Flavones
Flavonoids
Functional foods & nutraceuticals
Glutamate decarboxylase
Heart
Heart beat
Heart enlargement
Heart rate
Hydroxylase
Hypertension
Hypertension - drug therapy
Hypertension - enzymology
Hypertension - physiopathology
Hypertrophy
Hypothalamus
Inflammation
Interleukin 10
Interleukin 6
Interleukins
Kidneys
Male
Monocyte chemoattractant protein 1
Monocytes
Myocardium - metabolism
Myocardium - pathology
NAD(P)H oxidase
NADPH Oxidases - genetics
NADPH Oxidases - metabolism
Nitric-oxide synthase
Norepinephrine
Oxidases
Oxidation
Oxidative stress
Oxidative Stress - drug effects
Paraventricular Hypothalamic Nucleus - drug effects
Paraventricular Hypothalamic Nucleus - enzymology
Paraventricular Hypothalamic Nucleus - physiopathology
Pharmacology/Toxicology
Phosphorylation
Rats
Rats, Inbred SHR
Rats, Inbred WKY
Reactive oxygen species
Reactive Oxygen Species - metabolism
Superoxide
Superoxide dismutase
Tyrosine
Ventricle
Ventricular Function, Left - drug effects
Ventricular Remodeling - drug effects
title Apigenin Improves Hypertension and Cardiac Hypertrophy Through Modulating NADPH Oxidase-Dependent ROS Generation and Cytokines in Hypothalamic Paraventricular Nucleus
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