Oxidative stress-responsive apoptosis inducing protein (ORAIP) plays a critical role in doxorubicin-induced apoptosis in rat cardiac myocytes
Oxidative stress is implicated in the pathogenesis of doxorubicin-induced apoptosis in cardiac myocytes. However, the precise mechanism remains uncertain. We identified an apoptosis-inducing humoral factor, in a conditioned medium from cardiac myocytes subjected to hypoxia/reoxygenation, to be 69th...
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| Veröffentlicht in: | International journal of cardiology 2022-02, Vol.348, p.119-124 |
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| creator | Yao, Takako Fujimura, Tsutomu Murayama, Kimie Okumura, Ko Seko, Yoshinori |
| description | Oxidative stress is implicated in the pathogenesis of doxorubicin-induced apoptosis in cardiac myocytes. However, the precise mechanism remains uncertain. We identified an apoptosis-inducing humoral factor, in a conditioned medium from cardiac myocytes subjected to hypoxia/reoxygenation, to be 69th tyrosine-sulfated eukaryotic translation initiation factor 5A (eIF5A). We named this novel secreted form of eIF5A, Oxidative stress-Responsive Apoptosis Inducing Protein (ORAIP). We confirmed that ischemia/reperfusion, ultraviolet-irradiation, and ionizing radiation significantly increased plasma levels of ORAIP in vivo, supporting that secretion of ORAIP is specific to the oxidative stress. To investigate the role of ORAIP in doxorubicin-induced apoptosis of cardiac myocytes.
Methods: We analyzed plasma levels of ORAIP in rats treated with doxorubicin (10 mg/Kg) in vivo, and the effects of neutralizing anti-ORAIP monoclonal antibody (mAb) on doxorubicin-induced apoptosis of cardiac myocytes in vitro.
Results: The (mean ± SE) plasma ORAIP levels before doxorubicin administration were (13.7 ± 2.7) ng/mL, they markedly increased with peak levels ([178.6 ± 6.5] ng/mL, p |
| doi_str_mv | 10.1016/j.ijcard.2021.11.085 |
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Methods: We analyzed plasma levels of ORAIP in rats treated with doxorubicin (10 mg/Kg) in vivo, and the effects of neutralizing anti-ORAIP monoclonal antibody (mAb) on doxorubicin-induced apoptosis of cardiac myocytes in vitro.
Results: The (mean ± SE) plasma ORAIP levels before doxorubicin administration were (13.7 ± 2.7) ng/mL, they markedly increased with peak levels ([178.6 ± 6.5] ng/mL, p < 0.00001, vs. before administration) at 20 to 60 min after doxorubicin administration, then gradually decreased to (118.0 ± 4.8) ng/mL at 120 min. Treatment with a neutralizing anti-ORAIP mAb significantly (nearly 50%) suppressed doxorubicin-induced apoptosis of cardiac myocytes.
Conclusions: These data indicate that doxorubicin induces oxidative stress resulting in the strong expression of ORAIP in cardiac myocytes and marked secretion of ORAIP into peripheral circulation. This strongly suggests that ORAIP can be a novel sensitive biomarker as well as a possible therapeutic target for doxorubicin-induced cell injury in anti-cancer therapy.
•Oxidative stress plays a critical role in doxorubicin-induced apoptosis of cells.•EIF5A is secreted from cells in response to oxidative stress and induces apoptosis.•Doxorubicin-induced apoptosis of cardiac myocytes is partially mediated by ORAIP.•ORAIP can be a sensitive biomarker for doxorubicin-induced apoptosis.•ORAIP may be a possible therapeutic target for doxorubicin-induced apoptosis.</description><identifier>ISSN: 0167-5273</identifier><identifier>EISSN: 1874-1754</identifier><identifier>DOI: 10.1016/j.ijcard.2021.11.085</identifier><identifier>PMID: 34864083</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Animals ; Apoptosis ; Apoptosis Regulatory Proteins ; Cardiac myocytes ; Doxorubicin ; Eukaryotic translation initiation factor 5A (eIF5A) ; Myocytes, Cardiac - metabolism ; Oxidative Stress ; Oxidative stress-responsive apoptosis inducing protein (ORAIP) ; Rats</subject><ispartof>International journal of cardiology, 2022-02, Vol.348, p.119-124</ispartof><rights>2021 Elsevier B.V.</rights><rights>Copyright © 2021 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c428t-4cee26e94462cf3512e1452ced6555ea665d11c37d0c5fb4ec520c9c10aa903b3</citedby><cites>FETCH-LOGICAL-c428t-4cee26e94462cf3512e1452ced6555ea665d11c37d0c5fb4ec520c9c10aa903b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ijcard.2021.11.085$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,27926,27927,45997</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/34864083$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yao, Takako</creatorcontrib><creatorcontrib>Fujimura, Tsutomu</creatorcontrib><creatorcontrib>Murayama, Kimie</creatorcontrib><creatorcontrib>Okumura, Ko</creatorcontrib><creatorcontrib>Seko, Yoshinori</creatorcontrib><title>Oxidative stress-responsive apoptosis inducing protein (ORAIP) plays a critical role in doxorubicin-induced apoptosis in rat cardiac myocytes</title><title>International journal of cardiology</title><addtitle>Int J Cardiol</addtitle><description>Oxidative stress is implicated in the pathogenesis of doxorubicin-induced apoptosis in cardiac myocytes. However, the precise mechanism remains uncertain. We identified an apoptosis-inducing humoral factor, in a conditioned medium from cardiac myocytes subjected to hypoxia/reoxygenation, to be 69th tyrosine-sulfated eukaryotic translation initiation factor 5A (eIF5A). We named this novel secreted form of eIF5A, Oxidative stress-Responsive Apoptosis Inducing Protein (ORAIP). We confirmed that ischemia/reperfusion, ultraviolet-irradiation, and ionizing radiation significantly increased plasma levels of ORAIP in vivo, supporting that secretion of ORAIP is specific to the oxidative stress. To investigate the role of ORAIP in doxorubicin-induced apoptosis of cardiac myocytes.
Methods: We analyzed plasma levels of ORAIP in rats treated with doxorubicin (10 mg/Kg) in vivo, and the effects of neutralizing anti-ORAIP monoclonal antibody (mAb) on doxorubicin-induced apoptosis of cardiac myocytes in vitro.
Results: The (mean ± SE) plasma ORAIP levels before doxorubicin administration were (13.7 ± 2.7) ng/mL, they markedly increased with peak levels ([178.6 ± 6.5] ng/mL, p < 0.00001, vs. before administration) at 20 to 60 min after doxorubicin administration, then gradually decreased to (118.0 ± 4.8) ng/mL at 120 min. Treatment with a neutralizing anti-ORAIP mAb significantly (nearly 50%) suppressed doxorubicin-induced apoptosis of cardiac myocytes.
Conclusions: These data indicate that doxorubicin induces oxidative stress resulting in the strong expression of ORAIP in cardiac myocytes and marked secretion of ORAIP into peripheral circulation. This strongly suggests that ORAIP can be a novel sensitive biomarker as well as a possible therapeutic target for doxorubicin-induced cell injury in anti-cancer therapy.
•Oxidative stress plays a critical role in doxorubicin-induced apoptosis of cells.•EIF5A is secreted from cells in response to oxidative stress and induces apoptosis.•Doxorubicin-induced apoptosis of cardiac myocytes is partially mediated by ORAIP.•ORAIP can be a sensitive biomarker for doxorubicin-induced apoptosis.•ORAIP may be a possible therapeutic target for doxorubicin-induced apoptosis.</description><subject>Animals</subject><subject>Apoptosis</subject><subject>Apoptosis Regulatory Proteins</subject><subject>Cardiac myocytes</subject><subject>Doxorubicin</subject><subject>Eukaryotic translation initiation factor 5A (eIF5A)</subject><subject>Myocytes, Cardiac - metabolism</subject><subject>Oxidative Stress</subject><subject>Oxidative stress-responsive apoptosis inducing protein (ORAIP)</subject><subject>Rats</subject><issn>0167-5273</issn><issn>1874-1754</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kc1qGzEUhUVJady0bxCKlslipvqdn00ghCQNBFxKshby1XWQGY-mkibED9F3rhynhW66kUB85557dAg55azmjDdfN7XfgI2uFkzwmvOadfodWfCuVRVvtToii4K1lRatPCYfU9owxlTfdx_IsVRdo1gnF-TX8sU7m_0z0pQjplSVYwpj2r_YKUw5JJ-oH90MfnyiUwwZ_UjPlj8u776f02mwu0QtheizBzvQGAYsOHXhJcR55YuqelWj-2cejTbT_f7eAt3uAuwypk_k_doOCT-_3Sfk8eb64epbdb-8vbu6vK9AiS5XChBFg71SjYC11FwgV1oUi0ZrjbZptOMcZOsY6PVKIWjBoAfOrO2ZXMkTcnaYW-L8nDFls_UJcBjsiGFORjSslUzyXhZUHVCIIaWIazNFv7VxZzgz-yLMxhyKMPsiDOemFFFkX94c5tUW3V_Rn58vwMUBwJLz2WM0CTyOJYOPCNm44P_v8BuKr56F</recordid><startdate>20220201</startdate><enddate>20220201</enddate><creator>Yao, Takako</creator><creator>Fujimura, Tsutomu</creator><creator>Murayama, Kimie</creator><creator>Okumura, Ko</creator><creator>Seko, Yoshinori</creator><general>Elsevier 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>7X8</scope></search><sort><creationdate>20220201</creationdate><title>Oxidative stress-responsive apoptosis inducing protein (ORAIP) plays a critical role in doxorubicin-induced apoptosis in rat cardiac myocytes</title><author>Yao, Takako ; Fujimura, Tsutomu ; Murayama, Kimie ; Okumura, Ko ; Seko, Yoshinori</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c428t-4cee26e94462cf3512e1452ced6555ea665d11c37d0c5fb4ec520c9c10aa903b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Animals</topic><topic>Apoptosis</topic><topic>Apoptosis Regulatory Proteins</topic><topic>Cardiac myocytes</topic><topic>Doxorubicin</topic><topic>Eukaryotic translation initiation factor 5A (eIF5A)</topic><topic>Myocytes, Cardiac - metabolism</topic><topic>Oxidative Stress</topic><topic>Oxidative stress-responsive apoptosis inducing protein (ORAIP)</topic><topic>Rats</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yao, Takako</creatorcontrib><creatorcontrib>Fujimura, Tsutomu</creatorcontrib><creatorcontrib>Murayama, Kimie</creatorcontrib><creatorcontrib>Okumura, Ko</creatorcontrib><creatorcontrib>Seko, Yoshinori</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>International journal of cardiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yao, Takako</au><au>Fujimura, Tsutomu</au><au>Murayama, Kimie</au><au>Okumura, Ko</au><au>Seko, Yoshinori</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Oxidative stress-responsive apoptosis inducing protein (ORAIP) plays a critical role in doxorubicin-induced apoptosis in rat cardiac myocytes</atitle><jtitle>International journal of cardiology</jtitle><addtitle>Int J Cardiol</addtitle><date>2022-02-01</date><risdate>2022</risdate><volume>348</volume><spage>119</spage><epage>124</epage><pages>119-124</pages><issn>0167-5273</issn><eissn>1874-1754</eissn><abstract>Oxidative stress is implicated in the pathogenesis of doxorubicin-induced apoptosis in cardiac myocytes. However, the precise mechanism remains uncertain. We identified an apoptosis-inducing humoral factor, in a conditioned medium from cardiac myocytes subjected to hypoxia/reoxygenation, to be 69th tyrosine-sulfated eukaryotic translation initiation factor 5A (eIF5A). We named this novel secreted form of eIF5A, Oxidative stress-Responsive Apoptosis Inducing Protein (ORAIP). We confirmed that ischemia/reperfusion, ultraviolet-irradiation, and ionizing radiation significantly increased plasma levels of ORAIP in vivo, supporting that secretion of ORAIP is specific to the oxidative stress. To investigate the role of ORAIP in doxorubicin-induced apoptosis of cardiac myocytes.
Methods: We analyzed plasma levels of ORAIP in rats treated with doxorubicin (10 mg/Kg) in vivo, and the effects of neutralizing anti-ORAIP monoclonal antibody (mAb) on doxorubicin-induced apoptosis of cardiac myocytes in vitro.
Results: The (mean ± SE) plasma ORAIP levels before doxorubicin administration were (13.7 ± 2.7) ng/mL, they markedly increased with peak levels ([178.6 ± 6.5] ng/mL, p < 0.00001, vs. before administration) at 20 to 60 min after doxorubicin administration, then gradually decreased to (118.0 ± 4.8) ng/mL at 120 min. Treatment with a neutralizing anti-ORAIP mAb significantly (nearly 50%) suppressed doxorubicin-induced apoptosis of cardiac myocytes.
Conclusions: These data indicate that doxorubicin induces oxidative stress resulting in the strong expression of ORAIP in cardiac myocytes and marked secretion of ORAIP into peripheral circulation. This strongly suggests that ORAIP can be a novel sensitive biomarker as well as a possible therapeutic target for doxorubicin-induced cell injury in anti-cancer therapy.
•Oxidative stress plays a critical role in doxorubicin-induced apoptosis of cells.•EIF5A is secreted from cells in response to oxidative stress and induces apoptosis.•Doxorubicin-induced apoptosis of cardiac myocytes is partially mediated by ORAIP.•ORAIP can be a sensitive biomarker for doxorubicin-induced apoptosis.•ORAIP may be a possible therapeutic target for doxorubicin-induced apoptosis.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>34864083</pmid><doi>10.1016/j.ijcard.2021.11.085</doi><tpages>6</tpages></addata></record> |
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| subjects | Animals Apoptosis Apoptosis Regulatory Proteins Cardiac myocytes Doxorubicin Eukaryotic translation initiation factor 5A (eIF5A) Myocytes, Cardiac - metabolism Oxidative Stress Oxidative stress-responsive apoptosis inducing protein (ORAIP) Rats |
| title | Oxidative stress-responsive apoptosis inducing protein (ORAIP) plays a critical role in doxorubicin-induced apoptosis in rat cardiac myocytes |
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