Hwanggunchungyitang Prevents Cadmium-Induced Ototoxicity through Suppression of the Activation of Caspase-9 and Extracellular Signal-Related Kinase in Auditory HEI-OC1 Cells

Hwanggunchungyitang (HGCYT) is a newly designed herbal drug formula for the purpose of treating auditory diseases. A number of heavy metals have been associated with toxic effects to the peripheral or central auditory system. Cadmium (Cd2+) is a heavy metal and a potent carcinogen implicated in tumo...

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Veröffentlicht in:Biological & Pharmaceutical Bulletin 2009/02/01, Vol.32(2), pp.213-219
Hauptverfasser: Kim, Su-Jin, Shin, Bong-Gi, Choi, In-Young, Kim, Dong-Hyun, Kim, Min-cheol, Myung, Noh-Yil, Moon, Phil-Dong, Lee, Jeong-Han, An, Hyo-Jin, Kim, Na-Hyung, Lee, Joo-Young, So, Hong-seob, Park, Rae-Kil, Jeong, Hyun-Ja, Um, Jae-Young, Kim, Hyung-Min, Hong, Seung-Heon
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container_issue 2
container_start_page 213
container_title Biological & Pharmaceutical Bulletin
container_volume 32
creator Kim, Su-Jin
Shin, Bong-Gi
Choi, In-Young
Kim, Dong-Hyun
Kim, Min-cheol
Myung, Noh-Yil
Moon, Phil-Dong
Lee, Jeong-Han
An, Hyo-Jin
Kim, Na-Hyung
Lee, Joo-Young
So, Hong-seob
Park, Rae-Kil
Jeong, Hyun-Ja
Um, Jae-Young
Kim, Hyung-Min
Hong, Seung-Heon
description Hwanggunchungyitang (HGCYT) is a newly designed herbal drug formula for the purpose of treating auditory diseases. A number of heavy metals have been associated with toxic effects to the peripheral or central auditory system. Cadmium (Cd2+) is a heavy metal and a potent carcinogen implicated in tumor development through occupational and environmental exposure. However, the auditory effect of Cd2+ is not poorly understood. The purpose of the present study was to investigate whether HGCYT prevent the ototoxic effects induced by Cd2+ in auditory cell line, HEI-OC1. HGCYT inhibited the cell death, reactive oxygen species generation (ROS), activation of caspase-9, and extracellular signal-related kinase (ERK) induced by Cd2+. In addition, we observed that cochlear hair cells in middle turn were damaged by Cd2+. However, HGCYT prevented the destruction of hair cell arrays of the rat primary organ of Corti explants in the presence of Cd2+. These results support the notion that ROS are involved in Cd2+ ototoxicity and suggest HGCYT therapeutic usefulness, against Cd2+-induced activation of caspase-9 and ERK.
doi_str_mv 10.1248/bpb.32.213
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A number of heavy metals have been associated with toxic effects to the peripheral or central auditory system. Cadmium (Cd2+) is a heavy metal and a potent carcinogen implicated in tumor development through occupational and environmental exposure. However, the auditory effect of Cd2+ is not poorly understood. The purpose of the present study was to investigate whether HGCYT prevent the ototoxic effects induced by Cd2+ in auditory cell line, HEI-OC1. HGCYT inhibited the cell death, reactive oxygen species generation (ROS), activation of caspase-9, and extracellular signal-related kinase (ERK) induced by Cd2+. In addition, we observed that cochlear hair cells in middle turn were damaged by Cd2+. However, HGCYT prevented the destruction of hair cell arrays of the rat primary organ of Corti explants in the presence of Cd2+. 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These results support the notion that ROS are involved in Cd2+ ototoxicity and suggest HGCYT therapeutic usefulness, against Cd2+-induced activation of caspase-9 and ERK.</description><subject>Animals</subject><subject>auditory cell</subject><subject>Blotting, Western</subject><subject>cadmium</subject><subject>Cadmium - antagonists &amp; inhibitors</subject><subject>Cadmium - metabolism</subject><subject>Cadmium - toxicity</subject><subject>Caspase 9 - metabolism</subject><subject>caspase-9</subject><subject>Cell Line</subject><subject>Cell Survival - drug effects</subject><subject>Drugs, Chinese Herbal - therapeutic use</subject><subject>Enzyme Activation - drug effects</subject><subject>Extracellular Signal-Regulated MAP Kinases - metabolism</subject><subject>extracellular signal-related kinase</subject><subject>Hair Cells, Auditory - drug effects</subject><subject>Hair Cells, Auditory - metabolism</subject><subject>Hair Cells, Auditory - pathology</subject><subject>Hearing Disorders - chemically induced</subject><subject>Hearing Disorders - prevention &amp; control</subject><subject>Humans</subject><subject>Hwanggunchungyitang</subject><subject>Indicators and Reagents</subject><subject>Mice</subject><subject>Organ Culture Techniques</subject><subject>Organ of Corti - drug effects</subject><subject>Organ of Corti - metabolism</subject><subject>Organ of Corti - pathology</subject><subject>Rats</subject><subject>Rats, Sprague-Dawley</subject><subject>Reactive Oxygen Species</subject><subject>Tetrazolium Salts</subject><subject>Thiazoles</subject><issn>0918-6158</issn><issn>1347-5215</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpdkW2L1DAQx4so3nr6xg8gAcEXQtc8tNv2lSxlz108WPH0dZimaTdLN6l5OG8_lN_RlK53IIEJM_Ob_0wySfKW4CWhWfmpGZslo0tK2LNkQVhWpDkl-fNkgStSpiuSl1fJK-eOGOMCU_YyuSIxQVlRLpI_29-g-z5ocQi6PysfPfTNynupvUM1tCcVTulOt0HIFu298eZBCeXPyB-sCf0B3YVxtNI5ZTQyXQxLtBZe3YO_RGpwIziZVgh0izYP3oKQwxAGsOhO9RqG9LscwEf9r0pHEimN1qFV3tgz2m526b4mqI4l7nXyooPByTeX-zr5ebP5UW_T2_2XXb2-TcWqIj5typLhlcw6KFlJCMkkAZlPb84qmmWVELgUkOUrWWQAhWywyKuGNKWIP9R1JbtOPsy6ozW_gnSen5SbhgYtTXCc4ozmUSiC7_8DjybY-CTHyZQvGGE0Uh9nSljjnJUdH606gT1zgvm0Qh5XyBnlcYURfneRDM1Jtk_oZWcRuJmBmFUCBqMHpeVTY-GKRpnBxClxxTFmFFOOYycc5SdTxRP9KPR5Fjo6D7187ATWKzHIx6FmMxX_y4gDWC41-wu7kcWb</recordid><startdate>20090201</startdate><enddate>20090201</enddate><creator>Kim, Su-Jin</creator><creator>Shin, Bong-Gi</creator><creator>Choi, In-Young</creator><creator>Kim, Dong-Hyun</creator><creator>Kim, Min-cheol</creator><creator>Myung, Noh-Yil</creator><creator>Moon, Phil-Dong</creator><creator>Lee, Jeong-Han</creator><creator>An, Hyo-Jin</creator><creator>Kim, Na-Hyung</creator><creator>Lee, Joo-Young</creator><creator>So, Hong-seob</creator><creator>Park, Rae-Kil</creator><creator>Jeong, Hyun-Ja</creator><creator>Um, Jae-Young</creator><creator>Kim, Hyung-Min</creator><creator>Hong, Seung-Heon</creator><general>The Pharmaceutical Society of Japan</general><general>Pharmaceutical Society of Japan</general><general>Japan Science and Technology Agency</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>7QP</scope><scope>7QR</scope><scope>7TK</scope><scope>7U9</scope><scope>8FD</scope><scope>FR3</scope><scope>H94</scope><scope>P64</scope><scope>7U7</scope><scope>C1K</scope></search><sort><creationdate>20090201</creationdate><title>Hwanggunchungyitang Prevents Cadmium-Induced Ototoxicity through Suppression of the Activation of Caspase-9 and Extracellular Signal-Related Kinase in Auditory HEI-OC1 Cells</title><author>Kim, Su-Jin ; Shin, Bong-Gi ; Choi, In-Young ; Kim, Dong-Hyun ; Kim, Min-cheol ; Myung, Noh-Yil ; Moon, Phil-Dong ; Lee, Jeong-Han ; An, Hyo-Jin ; Kim, Na-Hyung ; Lee, Joo-Young ; So, Hong-seob ; Park, Rae-Kil ; Jeong, Hyun-Ja ; Um, Jae-Young ; Kim, Hyung-Min ; Hong, Seung-Heon</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c691t-b88306e4fa8381114e1ae59182492449cc08ca456e74aa7eb0c59b1b8c007ff83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Animals</topic><topic>auditory cell</topic><topic>Blotting, Western</topic><topic>cadmium</topic><topic>Cadmium - antagonists &amp; inhibitors</topic><topic>Cadmium - metabolism</topic><topic>Cadmium - toxicity</topic><topic>Caspase 9 - metabolism</topic><topic>caspase-9</topic><topic>Cell Line</topic><topic>Cell Survival - drug effects</topic><topic>Drugs, Chinese Herbal - therapeutic use</topic><topic>Enzyme Activation - drug effects</topic><topic>Extracellular Signal-Regulated MAP Kinases - metabolism</topic><topic>extracellular signal-related kinase</topic><topic>Hair Cells, Auditory - drug effects</topic><topic>Hair Cells, Auditory - metabolism</topic><topic>Hair Cells, Auditory - pathology</topic><topic>Hearing Disorders - chemically induced</topic><topic>Hearing Disorders - prevention &amp; 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Pharmaceutical Bulletin</jtitle><addtitle>Biol Pharm Bull</addtitle><date>2009-02-01</date><risdate>2009</risdate><volume>32</volume><issue>2</issue><spage>213</spage><epage>219</epage><pages>213-219</pages><issn>0918-6158</issn><eissn>1347-5215</eissn><abstract>Hwanggunchungyitang (HGCYT) is a newly designed herbal drug formula for the purpose of treating auditory diseases. A number of heavy metals have been associated with toxic effects to the peripheral or central auditory system. Cadmium (Cd2+) is a heavy metal and a potent carcinogen implicated in tumor development through occupational and environmental exposure. However, the auditory effect of Cd2+ is not poorly understood. The purpose of the present study was to investigate whether HGCYT prevent the ototoxic effects induced by Cd2+ in auditory cell line, HEI-OC1. HGCYT inhibited the cell death, reactive oxygen species generation (ROS), activation of caspase-9, and extracellular signal-related kinase (ERK) induced by Cd2+. In addition, we observed that cochlear hair cells in middle turn were damaged by Cd2+. However, HGCYT prevented the destruction of hair cell arrays of the rat primary organ of Corti explants in the presence of Cd2+. These results support the notion that ROS are involved in Cd2+ ototoxicity and suggest HGCYT therapeutic usefulness, against Cd2+-induced activation of caspase-9 and ERK.</abstract><cop>Japan</cop><pub>The Pharmaceutical Society of Japan</pub><pmid>19182378</pmid><doi>10.1248/bpb.32.213</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record>
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subjects Animals
auditory cell
Blotting, Western
cadmium
Cadmium - antagonists & inhibitors
Cadmium - metabolism
Cadmium - toxicity
Caspase 9 - metabolism
caspase-9
Cell Line
Cell Survival - drug effects
Drugs, Chinese Herbal - therapeutic use
Enzyme Activation - drug effects
Extracellular Signal-Regulated MAP Kinases - metabolism
extracellular signal-related kinase
Hair Cells, Auditory - drug effects
Hair Cells, Auditory - metabolism
Hair Cells, Auditory - pathology
Hearing Disorders - chemically induced
Hearing Disorders - prevention & control
Humans
Hwanggunchungyitang
Indicators and Reagents
Mice
Organ Culture Techniques
Organ of Corti - drug effects
Organ of Corti - metabolism
Organ of Corti - pathology
Rats
Rats, Sprague-Dawley
Reactive Oxygen Species
Tetrazolium Salts
Thiazoles
title Hwanggunchungyitang Prevents Cadmium-Induced Ototoxicity through Suppression of the Activation of Caspase-9 and Extracellular Signal-Related Kinase in Auditory HEI-OC1 Cells
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