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Li Y, Tian C, Huang S, Wang Y, Qiu J, Ning F, Guo J, Chen Q, Chen R, Ma G. Potential Biomarker of Acute Anthracycline-induced Cardiotoxicity Among Children With Acute Lymphoblastic Leukemia: Cardiac Adriamycin-responsive Protein. J Cardiovasc Pharmacol 2023; 82:489-495. [PMID: 37678278 DOI: 10.1097/fjc.0000000000001479] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 08/11/2023] [Indexed: 09/09/2023]
Abstract
ABSTRACT This study aimed to investigate whether serum cardiac adriamycin-responsive protein (CARP) can serve as a sensitive and specific biomarker of anthracyclines (ANT)-induced cardiotoxicity. Fifty-five children with acute lymphoblastic leukemia were recruited. Before and after the administration of ANT, serum levels of CARP, high-sensitivity troponin T, creatine kinase-MB, and electrocardiogram were measured. Postchemotherapeutic clinical manifestations of cardiotoxicity were also investigated. Adverse cardiac events (ACEs) were graded according to the Common Terminology Criteria for Adverse Events 4.0. Then, the CARP expression was statistically analyzed among different groups. The receiver operating characteristic curve was used to evaluate the efficacy of CARP in predicting acute ANT-induced cardiotoxicity. After ANT chemotherapy, the serum CARP concentration increased in the non-ACEs group but decreased in the ACEs group ( P < 0.05). In addition, not only the serum CARP levels (△CARP) was negatively correlated with the grade of ACEs (R=-0.754, P < 0.0001) but also the extent of QT interval corrected (QTc) prolongation (△QTc; R=-0.5592, P < 0.01). The area under the receiver operating characteristic curve of CARP was 90.94% ( P < 0.0001), and the sensitivity and specificity were 88.64% and 91.67%, respectively, all of which are superior to △high-sensitivity troponin T, △creatine kinase-MB, and △QTc. In conclusion, serum CARP could serve as a novel sensitive and specific biomarker of acute ANT-induced cardiotoxicity, which is negatively associated with ACE grade.
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Affiliation(s)
- Yiyang Li
- Department of Pediatrics, Shunde Women and Children's Hospital of Guangdong Medical University, Foshan, China
- Department of Pediatrics, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
- Department of Pediatrics, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Chuan Tian
- Department of Pediatrics, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Si Huang
- Foshan Fosun Chancheng Hospital, Foshan, China; and
| | - Yajun Wang
- Department of Pediatrics, Shunde Women and Children's Hospital of Guangdong Medical University, Foshan, China
- Key Laboratory of Research in Maternal and Child Medicine and Birth Defects, Guangdong Medical University, Foshan, China
| | - Jiapeng Qiu
- Department of Pediatrics, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Fan Ning
- Department of Pediatrics, Shunde Women and Children's Hospital of Guangdong Medical University, Foshan, China
- Key Laboratory of Research in Maternal and Child Medicine and Birth Defects, Guangdong Medical University, Foshan, China
| | - Junhao Guo
- Department of Pediatrics, Shunde Women and Children's Hospital of Guangdong Medical University, Foshan, China
- Key Laboratory of Research in Maternal and Child Medicine and Birth Defects, Guangdong Medical University, Foshan, China
| | - Qikang Chen
- Department of Pediatrics, Shunde Women and Children's Hospital of Guangdong Medical University, Foshan, China
| | - Riling Chen
- Department of Pediatrics, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Guoda Ma
- Department of Pediatrics, Shunde Women and Children's Hospital of Guangdong Medical University, Foshan, China
- Key Laboratory of Research in Maternal and Child Medicine and Birth Defects, Guangdong Medical University, Foshan, China
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Adewale AO, Ahn YH. Titin N2A Domain and Its Interactions at the Sarcomere. Int J Mol Sci 2021; 22:ijms22147563. [PMID: 34299183 PMCID: PMC8305307 DOI: 10.3390/ijms22147563] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 07/09/2021] [Accepted: 07/12/2021] [Indexed: 12/16/2022] Open
Abstract
Titin is a giant protein in the sarcomere that plays an essential role in muscle contraction with actin and myosin filaments. However, its utility goes beyond mechanical functions, extending to versatile and complex roles in sarcomere organization and maintenance, passive force, mechanosensing, and signaling. Titin’s multiple functions are in part attributed to its large size and modular structures that interact with a myriad of protein partners. Among titin’s domains, the N2A element is one of titin’s unique segments that contributes to titin’s functions in compliance, contraction, structural stability, and signaling via protein–protein interactions with actin filament, chaperones, stress-sensing proteins, and proteases. Considering the significance of N2A, this review highlights structural conformations of N2A, its predisposition for protein–protein interactions, and its multiple interacting protein partners that allow the modulation of titin’s biological effects. Lastly, the nature of N2A for interactions with chaperones and proteases is included, presenting it as an important node that impacts titin’s structural and functional integrity.
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Zhang N, Ye F, Zhou Y, Zhu W, Xie C, Zheng H, Chen H, Chen J, Xie X. Cardiac ankyrin repeat protein contributes to dilated cardiomyopathy and heart failure. FASEB J 2021; 35:e21488. [PMID: 33734499 DOI: 10.1096/fj.201902802rr] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 02/13/2021] [Accepted: 02/15/2021] [Indexed: 11/11/2022]
Abstract
Cardiac ankyrin repeat protein (CARP) is a cardiac-specific stress-response protein which exerts diverse effects to modulate cardiac remodeling in response to pathological stimuli. We examined the role of CARP in postnatal cardiac development and function under basal conditions in mice. Transgenic mice that selectively overexpressed CARP in heart (CARP Tg) exhibited dilated cardiac chambers, impaired heart function, and cardiac fibrosis as assessed by echocardiography and histological staining. Furthermore, the mice had a shorter lifespan and reduced survival rate in response to ischemic acute myocardial infarction. Immunofluorescence demonstrated the overexpressed CARP protein was predominantly accumulated in the nuclei of cardiomyocytes. Microarray analysis revealed that the nuclear localization of CARP was associated with the suppression of calcium-handling proteins. In vitro experiments revealed that CARP overexpression resulted in decreased cell contraction and calcium transient. In post-mortem cardiac specimens from patients with dilated cardiomyopathy and end-stage heart failure, CARP was significantly increased. Taken together, our data identified CARP as a crucial contributor in dilated cardiomyopathy and heart failure which was associated with its regulation of calcium-handling proteins.
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Affiliation(s)
- Na Zhang
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, People's Republic of China.,School of Medicine, Hangzhou Normal University, Hangzhou, People's Republic of China
| | - Feiming Ye
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, People's Republic of China
| | - Yu Zhou
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, People's Republic of China
| | - Wei Zhu
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, People's Republic of China
| | - Cuiping Xie
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, People's Republic of China
| | - Haiqiong Zheng
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, People's Republic of China
| | - Han Chen
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, People's Republic of China
| | - Jinghai Chen
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, People's Republic of China.,Institute of Translational Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Xiaojie Xie
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, People's Republic of China
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Zhou T, Fleming JR, Lange S, Hessel AL, Bogomolovas J, Stronczek C, Grundei D, Ghassemian M, Biju A, Börgeson E, Bullard B, Linke WA, Chen J, Kovermann M, Mayans O. Molecular Characterisation of Titin N2A and Its Binding of CARP Reveals a Titin/Actin Cross-linking Mechanism. J Mol Biol 2021; 433:166901. [PMID: 33647290 PMCID: PMC8052292 DOI: 10.1016/j.jmb.2021.166901] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 02/14/2021] [Accepted: 02/22/2021] [Indexed: 12/16/2022]
Abstract
Striated muscle responds to mechanical overload by rapidly up-regulating the expression of the cardiac ankyrin repeat protein, CARP, which then targets the sarcomere by binding to titin N2A in the I-band region. To date, the role of this interaction in the stress response of muscle remains poorly understood. Here, we characterise the molecular structure of the CARP-receptor site in titin (UN2A) and its binding of CARP. We find that titin UN2A contains a central three-helix bundle fold (ca 45 residues in length) that is joined to N- and C-terminal flanking immunoglobulin domains by long, flexible linkers with partial helical content. CARP binds titin by engaging an α-hairpin in the three-helix fold of UN2A, the C-terminal linker sequence, and the BC loop in Ig81, which jointly form a broad binding interface. Mutagenesis showed that the CARP/N2A association withstands sequence variations in titin N2A and we use this information to evaluate 85 human single nucleotide variants. In addition, actin co-sedimentation, co-transfection in C2C12 cells, proteomics on heart lysates, and the mechanical response of CARP-soaked myofibrils imply that CARP induces the cross-linking of titin and actin myofilaments, thereby increasing myofibril stiffness. We conclude that CARP acts as a regulator of force output in the sarcomere that preserves muscle mechanical performance upon overload stress.
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Affiliation(s)
- Tiankun Zhou
- Department of Biology, University of Konstanz, 78457 Konstanz, Germany
| | | | - Stephan Lange
- Division of Cardiology, School of Medicine, University of California, San Diego 92093, CA, USA; Wallenberg Laboratory, Department of Molecular and Clinical Medicine, Institute of Medicine, University of Gothenburg, Gothenburg 413 45, Sweden
| | - Anthony L Hessel
- Institute of Physiology II, University Hospital Münster, Münster, Germany
| | - Julius Bogomolovas
- School of Medicine, University of California, San Diego, La Jolla, CA 92093, USA; Department of Cognitive and Clinical Neuroscience, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, 68159 Mannheim, Germany
| | - Chiara Stronczek
- Department of Biology, University of Konstanz, 78457 Konstanz, Germany
| | - David Grundei
- Department of Biology, University of Konstanz, 78457 Konstanz, Germany
| | - Majid Ghassemian
- Department of Chemistry and Biochemistry, University of California, San Diego 92093, CA, USA
| | - Andrea Biju
- Division of Cardiology, School of Medicine, University of California, San Diego 92093, CA, USA
| | - Emma Börgeson
- Wallenberg Laboratory, Department of Molecular and Clinical Medicine, Institute of Medicine, University of Gothenburg, Gothenburg 413 45, Sweden
| | - Belinda Bullard
- Department of Biology, University of York, York YO10 5DD, UK
| | - Wolfgang A Linke
- Institute of Physiology II, University Hospital Münster, Münster, Germany
| | - Ju Chen
- School of Medicine, University of California, San Diego, La Jolla, CA 92093, USA
| | - Michael Kovermann
- Department of Chemistry, University of Konstanz, 78457 Konstanz, Germany.
| | - Olga Mayans
- Department of Biology, University of Konstanz, 78457 Konstanz, Germany.
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5
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Upadhyay S, Gupta KB, Mantha AK, Dhiman M. A short review: Doxorubicin and its effect on cardiac proteins. J Cell Biochem 2020; 122:153-165. [PMID: 32924182 DOI: 10.1002/jcb.29840] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 07/16/2020] [Accepted: 07/27/2020] [Indexed: 12/22/2022]
Abstract
Doxorubicin (DOX) is a boon for cancer-suffering patients. However, the undesirable effect on health on vital organs, especially the heart, is a limiting factor, resulting in an increased number of patients with cardiac dysfunction. The present review focuses on the contractile machinery and associated factors, which get affected due to DOX toxicity in chemo-patients for which they are kept under life-long investigation for cardiac function. DOX-induced oxidative stress disrupts the integrity of cardiac contractile muscle proteins that alter the rhythmic mechanism and oxygen consumption rate of the heart. DOX is an oxidant and it is further discussed that oxidative stress prompts the damage of contractile components and associated factors, which include Ca2+ load through Ca2+ ATPase, SERCA, ryanodine receptor-2, phospholamban, and calsequestrin, which ultimately results in left ventricular ejection and dilation. Based on data and evidence, the associated proteins can be considered as clinical markers to develop medications for patients. Even with the advancement of various diagnosing tools and modified drugs to mitigate DOX-induced cardiotoxicity, the risk could not be surmounted with survivors of cancer.
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Affiliation(s)
- Shishir Upadhyay
- Department of Zoology, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, Punjab, India
| | - Kunj Bihari Gupta
- Department of Microbiology, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, Punjab, India
| | - Anil Kumar Mantha
- Department of Zoology, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, Punjab, India
| | - Monisha Dhiman
- Department of Microbiology, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, Punjab, India
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6
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Wang X, Meng H, Wang Q, Shao M, Lu W, Chen X, Jiang Y, Li C, Wang Y, Tu P. Baoyuan decoction ameliorates apoptosis via AT1-CARP signaling pathway in H9C2 cells and heart failure post-acute myocardial infarction rats. JOURNAL OF ETHNOPHARMACOLOGY 2020; 252:112536. [PMID: 31931161 DOI: 10.1016/j.jep.2019.112536] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 08/06/2019] [Accepted: 12/27/2019] [Indexed: 06/10/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Previous studies have approved that Baoyuan decoction (BYD) exerted remarkable cardioprotective effects on heart failure (HF) due to its anti-apoptotic properties. As a novel biomarker and target of HF, Cardiac ankyrin repeat protein (CARP) can exacerbate apoptosis via activation by angiotensin type 1 receptor (AT1) and subsequently deteriorate heart function. Transcriptome results in our previous study indicated BYD was beneficial to HF post-acute myocardial infarction (AMI) with a promising effect on CARP. However, the mechanism remains to be validated. AIM OF THE STUDY This study aims to elucidate whether BYD ameliorates apoptosis to protect against HF via AT1-CARP signaling pathway. MATERIALS AND METHODS Left anterior descending ligation was applied to induce an HF rat model, Ang Ⅱ-stimulated H9C2 cells apoptotic model and overexpression of Ankrd1/CARP H9C2 cells were established to clarify the effects and potential mechanism of BYD. Ethanol extracts of BYD (0.64; 1.28; 2.57 g/kg) were orally administered for four weeks and Fosinopril (4.67 mg/kg) was selected as a positive group in vivo. In vitro, BYD (400, 600, 800 μg/ml) or RNH6270 (an inhibitor of AT1, 1 μM) was co-cultured with Ang Ⅱ stimulation for 48 h in H9C2 cells. Overexpression of Ankrd1/CARP was conducted by transient transfection with H9C2 cells to further confirm the exact mechanism. Finally, to define the active ingredients of anti-cardiomyocyte apoptosis in BYD, we furtherly used the Ang Ⅱ-induced cardiomyocyte apoptosis model to evaluate the effects. RESULTS Echocardiography and TUNEL results showed that BYD in different doses remarkably improved heart function and inhibited apoptosis in vivo. Further study demonstrated that AT1 and CARP expressions in cardiac tissue were suppressed by BYD, accompanied with upregulation of B cell lymphoma-2 (Bcl-2) and downregulation of several pro-apoptotic molecules, including p53, Bcl-2 Associated X Protein (Bax) and Cleaved caspase 3. In parallel with the vivo experiment, in vitro research indicated BYD dramatically reduced the apoptotic cells and regulated expressions of critical apoptosis-related molecules mediated through downregulation of AT1 and CARP simultaneously which were consistent with the results in vivo experiment. Transiently transfected CARP over-expression further confirmed that BYD could suppress severe cardiomyocytes apoptosis induced by overexpression of CARP. Especially, the active ingredients of BYD including Astragaloside IV, Ginsenoside Rg3, Rb1, Rc and Re showed significantly anti-apoptosis effects. CONCLUSION BYD improves cardiac function and protects against cardiomyocytes injury by inhibiting apoptosis via regulating the AT1-CARP signaling pathway.
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Affiliation(s)
- Xiaoping Wang
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Hui Meng
- Modern Research Center for Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Qixin Wang
- Modern Research Center for Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Mingyan Shao
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Wenji Lu
- College of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Xu Chen
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Yong Jiang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Chun Li
- Modern Research Center for Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, China.
| | - Yong Wang
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, 100029, China.
| | - Pengfei Tu
- Modern Research Center for Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, China.
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7
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Garcia AM, Nakano SJ, Karimpour-Fard A, Nunley K, Blain-Nelson P, Stafford NM, Stauffer BL, Sucharov CC, Miyamoto SD. Phosphodiesterase-5 Is Elevated in Failing Single Ventricle Myocardium and Affects Cardiomyocyte Remodeling In Vitro. Circ Heart Fail 2019; 11:e004571. [PMID: 30354365 DOI: 10.1161/circheartfailure.117.004571] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Background Single ventricle (SV) congenital heart disease is fatal without intervention, and eventual heart failure is a major cause of morbidity and mortality. Although there are no proven medical therapies for the treatment or prevention of heart failure in the SV heart disease population, phosphodiesterase-5 inhibitors (PDE5i), such as sildenafil, are increasingly used. Although the pulmonary vasculature is the primary target of PDE5i therapy in patients with SV heart disease, the effects of PDE5i on the SV heart disease myocardium remain largely unknown. We sought to determine PDE5 expression and activity in the single right ventricle of SV heart disease patients relative to nonfailing controls and to determine whether PDE5 impacts cardiomyocyte remodeling using a novel serum-based in vitro model. Methods and Results PDE5 expression (n=9 nonfailing; n=7 SV heart disease), activity (n=8 nonfailing; n=9 SV heart disease), and localization (n=3 SV heart disease) were determined in explanted human right ventricle myocardium. PDE5 is expressed in SV heart disease cardiomyocytes, and PDE5 protein expression and activity are increased in SV heart disease right ventricle compared with nonfailing right ventricle. Isolated neonatal rat ventricular myocytes were treated for 72 hours with nonfailing or SV heart disease patient serum±sildenafil. Reverse transcription quantitative polymerase chain reaction (n=5 nonfailing; n=12 SV heart disease) and RNA sequencing (n=3 nonfailing; n=3 SV heart disease) were performed on serum-treated neonatal rat ventricular myocytes and demonstrated that treatment with SV heart disease sera results in pathological gene expression changes that are attenuated with PDE5i. Conclusions PDE5 is increased in failing SV heart disease myocardium, and pathological gene expression changes in SV heart disease serum-treated neonatal rat ventricular myocytes are abrogated by PDE5i. These results suggest that PDE5 represents an intriguing myocardial therapeutic target in this population.
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Affiliation(s)
- Anastacia M Garcia
- Division of Cardiology, Department of Pediatrics, University of Colorado Anschutz Medical Campus, Children's Hospital Colorado, Aurora (A.M.G., S.J.N., S.D.M.)
| | - Stephanie J Nakano
- Division of Cardiology, Department of Pediatrics, University of Colorado Anschutz Medical Campus, Children's Hospital Colorado, Aurora (A.M.G., S.J.N., S.D.M.)
| | | | - Karin Nunley
- Division of Cardiology, Department of Medicine (K.N., P.B.-N., N.M.S., B.L.S., C.C.S.)
| | - Penny Blain-Nelson
- Division of Cardiology, Department of Medicine (K.N., P.B.-N., N.M.S., B.L.S., C.C.S.)
| | - Natalie M Stafford
- Division of Cardiology, Department of Medicine (K.N., P.B.-N., N.M.S., B.L.S., C.C.S.)
| | - Brian L Stauffer
- Division of Cardiology, Department of Medicine (K.N., P.B.-N., N.M.S., B.L.S., C.C.S.)
| | - Carmen C Sucharov
- Division of Cardiology, Department of Medicine (K.N., P.B.-N., N.M.S., B.L.S., C.C.S.)
| | - Shelley D Miyamoto
- Division of Cardiology, Department of Pediatrics, University of Colorado Anschutz Medical Campus, Children's Hospital Colorado, Aurora (A.M.G., S.J.N., S.D.M.)
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Qin Y, Sekine I, Fan M, Takiguchi Y, Tada Y, Shingyoji M, Hanazono M, Yamaguchi N, Tagawa M. Augmented expression of cardiac ankyrin repeat protein is induced by pemetrexed and a possible marker for the pemetrexed resistance in mesothelioma cells. Cancer Cell Int 2017; 17:120. [PMID: 29238267 PMCID: PMC5725641 DOI: 10.1186/s12935-017-0493-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Accepted: 12/04/2017] [Indexed: 12/29/2022] Open
Abstract
Background Pemetrexed (PEM) is an anti-cancer agent targeting DNA and RNA synthesis, and clinically in use for mesothelioma and non-small cell lung carcinoma. A mechanism of resistance to PEM is associated with elevated activities of several enzymes involved in nucleic acid metabolism. Methods We established two kinds of PEM-resistant mesothelioma cells which did not show any increase of the relevant enzyme activities. We screened genes enhanced in the PEM-resistant cells with a microarray analysis and confirmed the expression levels with Western blot analysis. A possible involvement of the candidates in the PEM-resistance was examined with a WST assay after knocking down the expression with si-RNA. We also analyzed a mechanism of the up-regulated expression with agents influencing AMP-activated protein kinase (AMPK) and p53. Results We found that expression of cardiac ankyrin repeat protein (CARP) was elevated in the PEM-resistant cells with a microarray and Western blot analysis. Down-regulation of CARP expression with si-RNA did not however influence the PEM resistance. Parent and PEM-resistant cells treated with PEM increased expression of CARP, AMPK, p53 and histone H2AX. The CARP up-regulation was however irrelevant to the p53 genotypes and not induced by an AMPK activator. Augmented p53 levels with nutlin-3a, an inhibitor for p53 degradation, and DNA damages were not always associated with the enhanced CARP expression. Conclusions These data collectively suggest that up-regulated CARP expression is a potential marker for development of PEM-resistance in mesothelioma and that the PEM-mediated enhanced expression is not directly linked with immediate cellular responses to PEM. Electronic supplementary material The online version of this article (10.1186/s12935-017-0493-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yiyang Qin
- Division of Pathology and Cell Therapy, Chiba Cancer Center Research Institute, 666-2 Nitona, Chuo-ku, Chiba, 260-8717 Japan.,Laboratory of Molecular Cell Biology, Graduate School of Pharmaceutical Sciences, Chiba University, Chiba, Japan
| | - Ikuo Sekine
- Department of Medical Oncology, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - Mengmeng Fan
- Department of Medical Oncology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Yuichi Takiguchi
- Department of Medical Oncology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Yuji Tada
- Department of Respirology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | | | - Michiko Hanazono
- Division of Pathology and Cell Therapy, Chiba Cancer Center Research Institute, 666-2 Nitona, Chuo-ku, Chiba, 260-8717 Japan.,Department of Respirology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Naoto Yamaguchi
- Laboratory of Molecular Cell Biology, Graduate School of Pharmaceutical Sciences, Chiba University, Chiba, Japan
| | - Masatoshi Tagawa
- Division of Pathology and Cell Therapy, Chiba Cancer Center Research Institute, 666-2 Nitona, Chuo-ku, Chiba, 260-8717 Japan.,Department of Molecular Biology and Oncology, Graduate School of Medicine, Chiba University, Chiba, Japan
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9
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Silva FB, Romero WG, Carvalho ALRDA, Souza GAA, Claudio ERG, Abreu GR. Effects of treatment with chemotherapy and/or tamoxifen on the biomarkers of cardiac injury and oxidative stress in women with breast cancer. Medicine (Baltimore) 2017; 96:e8723. [PMID: 29381962 PMCID: PMC5708961 DOI: 10.1097/md.0000000000008723] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2017] [Revised: 10/18/2017] [Accepted: 10/21/2017] [Indexed: 12/03/2022] Open
Abstract
There has been an increase in deaths from cardiovascular diseases following breast cancer therapy. Evidence has shown that this outcome is, in part, associated with cardiotoxicity induced by the chemotherapeutic drugs and the increase in oxidative stress. The aim of this study was to evaluate the effects of chemotherapy and hormone therapy with tamoxifen on the biomarkers of cardiac injury and oxidative stress in women with breast cancer.Thirty women were followed-up for 1 year and were divided into 3 groups according to the treatment protocol: women treated only with tamoxifen and clinical follow up for 12 months (Tam, n = 10); women treated only with chemotherapy for 6 months with clinical follow up for an additional 6-month period (Chemo, n = 10); and women who received chemotherapy for 6 months followed by a 6-month period only with tamoxifen therapy and clinical follow up (Chemo + Tam, n = 10). Analysis of the blood levels of cardiac troponin I (cTnI), advanced oxidation protein products (AOPP) and the activity of the plasmatic isoform of the antioxidant enzyme glutathione peroxidase (GPx) was performed before treatment (T0) and at 6 (T6) and 12 (T12) months after treatment.The Chemo group showed higher levels of cTnI (0.065 ± 0.006 ng/mL, P < .05) and AOPP (4.99 ± 0.84 μmol/L, P < .05) and reduced GPx activity (24.4 ± 1.1 nM/min/mL, P < .05) at T12 than the Tam group (cTnI: 0.031 ± 0.001 ng/mL; AOPP: 1.40 ± 0.10 μmol/L; GPx: 28.0 ± 0.7 nM/min/mL) and Chemo + Tam group (cTnI: 0.037 ± 0.002 ng/mL; AOPP: 2.53 ± 0.30 μmol/L; GPx: 29.5 ± 1.0 nM/min/mL).These data support the hypothesis that long-term oxidative stress after chemotherapy may have an impact on cardiovascular diseases and that tamoxifen has cardioprotective effects.
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Affiliation(s)
| | - Walckiria Garcia Romero
- Department of Nursing, Health Sciences Center, Federal University of Espírito Santo, Vitória-ES, Brazil
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Zhang N, Ye F, Zhu W, Hu D, Xiao C, Nan J, Su S, Wang Y, Liu M, Gao K, Hu X, Chen J, Yu H, Xie X, Wang J. Cardiac ankyrin repeat protein attenuates cardiomyocyte apoptosis by upregulation of Bcl-2 expression. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2016; 1863:3040-3049. [PMID: 27713078 DOI: 10.1016/j.bbamcr.2016.09.024] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Revised: 09/29/2016] [Accepted: 09/30/2016] [Indexed: 12/11/2022]
Abstract
Cardiac ankyrin repeat protein (CARP) is a nuclear transcriptional co-factor that has additional functions in the myoplasm as a component of the muscle sarcomere. Previous studies have demonstrated increased expression of CARP in cardiovascular diseases, however, its role in cardiomyocyte apoptosis is unclear and controversial. In the present study, we investigated possible roles of CARP in hypoxia/reoxygenation (H/R) -induced cardiomyocyte apoptosis and the underlying mechanisms. Neonatal mouse ventricular cardiomyocytes were isolated and infected with adenovirus encoding Flag-tagged CARP (Ad-CARP) and lentivirus encoding CARP targeted shRNA (sh-CARP), respectively. Cardiomyocyte apoptosis induced by exposure to H/R conditions was evaluated by TUNEL staining and western blot analysis of cleaved caspase-3. The results showed that H/R-induced apoptosis was significantly decreased in Ad-CARP cardiomyocytes and increased in sh-CARP cardiomyocytes, suggesting a protective anti-apoptosis role for CARP. Interestingly, over-expressed CARP was mainly distributed in the nucleus, consistent with its role in regulating transcriptional activity. qPCR analysis showed that Bcl-2 transcripts were significantly increased in Ad-CARP cardiomyocytes. ChIP and co-IP assays confirmed the binding of CARP to the Bcl-2 promoter through interaction with transcription factor GATA4. Collectively, our results suggest that CARP can protect against H/R induced cardiomyocyte apoptosis, possibly through increasing anti-apoptosis Bcl-2 gene expression.
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Affiliation(s)
- Na Zhang
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, PR China
| | - Feiming Ye
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, PR China
| | - Wei Zhu
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, PR China
| | - Dexing Hu
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, PR China
| | - Changchen Xiao
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, PR China
| | - Jinliang Nan
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, PR China
| | - Sheng'an Su
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, PR China
| | - Yingchao Wang
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, PR China
| | - Mingfei Liu
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, PR China
| | - Kanglu Gao
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, PR China
| | - Xinyang Hu
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, PR China
| | - Jinghai Chen
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, PR China; Institute of Translational Medicine, Zhejiang University, Hangzhou, 310009, PR China
| | - Hong Yu
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, PR China
| | - Xiaojie Xie
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, PR China.
| | - Jian'an Wang
- Department of Cardiology, Cardiovascular Key Lab of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, PR China.
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