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Fan C, Qin K, Iroegbu CD, Xiang K, Gong Y, Guan Q, Wang W, Peng J, Guo J, Wu X, Yang J. Magnesium lithospermate B enhances the potential of human-induced pluripotent stem cell-derived cardiomyocytes for myocardial repair. Chin Med J (Engl) 2024; 137:1857-1869. [PMID: 38221772 DOI: 10.1097/cm9.0000000000002867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Indexed: 01/16/2024] Open
Abstract
BACKGROUND We previously reported that activation of the cell cycle in human-induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) enhances their remuscularization capacity after human cardiac muscle patch transplantation in infarcted mouse hearts. Herein, we sought to identify the effect of magnesium lithospermate B (MLB) on hiPSC-CMs during myocardial repair using a myocardial infarction (MI) mouse model. METHODS In C57BL/6 mice, MI was surgically induced by ligating the left anterior descending coronary artery. The mice were randomly divided into five groups ( n = 10 per group); a MI group (treated with phosphate-buffered saline only), a hiPSC-CMs group, a MLB group, a hiPSC-CMs + MLB group, and a Sham operation group. Cardiac function and MLB therapeutic efficacy were evaluated by echocardiography and histochemical staining 4 weeks after surgery. To identify the associated mechanism, nuclear factor (NF)-κB p65 and intercellular cell adhesion molecule-1 (ICAM1) signals, cell adhesion ability, generation of reactive oxygen species, and rates of apoptosis were detected in human umbilical vein endothelial cells (HUVECs) and hiPSC-CMs. RESULTS After 4 weeks of transplantation, the number of cells that engrafted in the hiPSC-CMs + MLB group was about five times higher than those in the hiPSC-CMs group. Additionally, MLB treatment significantly reduced tohoku hospital pediatrics-1 (THP-1) cell adhesion, ICAM1 expression, NF-κB nuclear translocation, reactive oxygen species production, NF-κB p65 phosphorylation, and cell apoptosis in HUVECs cultured under hypoxia. Similarly, treatment with MLB significantly inhibited the apoptosis of hiPSC-CMs via enhancing signal transducer and activator of transcription 3 (STAT3) phosphorylation and B-cell lymphoma-2 (BCL2) expression, promoting STAT3 nuclear translocation, and downregulating BCL2-Associated X, dual specificity phosphatase 2 (DUSP2), and cleaved-caspase-3 expression under hypoxia. Furthermore, MLB significantly suppressed the production of malondialdehyde and lactate dehydrogenase and the reduction in glutathione content induced by hypoxia in both HUVECs and hiPSC-CMs in vitro . CONCLUSIONS MLB significantly enhanced the potential of hiPSC-CMs in repairing injured myocardium by improving endothelial cell function via the NF-κB/ICAM1 pathway and inhibiting hiPSC-CMs apoptosis via the DUSP2/STAT3 pathway.
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Affiliation(s)
- Chengming Fan
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410078, China
- Hunan Fangsheng Pharmaceutical Co., Ltd., Changsha, Hunan 410000, China
| | - Kele Qin
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Chukwuemeka Daniel Iroegbu
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Kun Xiang
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Yibo Gong
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Qing Guan
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Wenxiang Wang
- Department of Thoracic Surgery, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 41000, China
| | - Jun Peng
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410078, China
| | - Jianjun Guo
- Hunan Fangsheng Pharmaceutical Co., Ltd., Changsha, Hunan 410000, China
| | - Xun Wu
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
- Department of Thoracic Surgery, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 41000, China
| | - Jinfu Yang
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
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Zhao M, Nakada Y, Wei Y, Bian W, Chu Y, Borovjagin AV, Xie M, Zhu W, Nguyen T, Zhou Y, Serpooshan V, Walcott GP, Zhang J. Cyclin D2 Overexpression Enhances the Efficacy of Human Induced Pluripotent Stem Cell-Derived Cardiomyocytes for Myocardial Repair in a Swine Model of Myocardial Infarction. Circulation 2021; 144:210-228. [PMID: 33951921 DOI: 10.1161/circulationaha.120.049497] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
BACKGROUND Human induced pluripotent stem cells with normal (wild-type) or upregulated (overexpressed) levels of CCND2 (cyclin D2) expression were differentiated into cardiomyocytes (CCND2WTCMs or CCND2OECMs, respectively) and injected into infarcted pig hearts. METHODS Acute myocardial infarction was induced by a 60-minute occlusion of the left anterior descending coronary artery. Immediately after reperfusion, CCND2WTCMs or CCND2OECMs (3×107 cells each) or an equivalent volume of the delivery vehicle was injected around the infarct border zone area. RESULTS The number of the engrafted CCND2OECMs exceeded that of the engrafted CCND2WTCMs from 6- to 8-fold, rising from 1 week to 4 weeks after implantation. In contrast to the treatment with the CCND2WTCMs or the delivery vehicle, the administration of CCND2OECM was associated with significantly improved left ventricular function, as revealed by magnetic resonance imaging. This correlated with reduction of infarct size, fibrosis, ventricular hypertrophy, and cardiomyocyte apoptosis, and increase of vascular density and arterial density, as per histologic analysis of the treated hearts. Expression of cell proliferation markers (eg, Ki67, phosphorylated histone 3, and Aurora B kinase) was also significantly upregulated in the recipient cardiomyocytes from the CCND2OECM-treated than from the CCND2WTCM-treated pigs. The cell proliferation rate and the hypoxia tolerance measured in cultured human induced pluripotent stem cell cardiomyocytes were significantly greater after treatment with exosomes isolated from the CCND2OECMs (CCND2OEExos) than from the CCND2WTCMs (CCND2WTExos). As demonstrated by our study, CCND2OEExos can also promote the proliferation activity of postnatal rat and adult mouse cardiomyocytes. A bulk miRNA sequencing analysis of CCND2OEExos versus CCND2WTExos identified 206 and 91 miRNAs that were significantly upregulated and downregulated, respectively. Gene ontology enrichment analysis identified significant differences in the expression profiles of miRNAs from various functional categories and pathways, including miRNAs implicated in cell-cycle checkpoints (G2/M and G1/S transitions), or the mechanism of cytokinesis. CONCLUSIONS We demonstrated that enhanced potency of CCND2OECMs promoted myocyte proliferation in both grafts and recipient tissue in a large mammal acute myocardial infarction model. These results suggest that CCND2OECMs transplantation may be a potential therapeutic strategy for the repair of infarcted hearts.
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Affiliation(s)
- Meng Zhao
- Department of Biomedical Engineering (M.Z., Y.N., Y.W., W.B., A.V.B., Y.Z., G.P.W., J.Z.), the University of Alabama at Birmingham
| | - Yuji Nakada
- Department of Biomedical Engineering (M.Z., Y.N., Y.W., W.B., A.V.B., Y.Z., G.P.W., J.Z.), the University of Alabama at Birmingham
| | - Yuhua Wei
- Department of Biomedical Engineering (M.Z., Y.N., Y.W., W.B., A.V.B., Y.Z., G.P.W., J.Z.), the University of Alabama at Birmingham
| | - Weihua Bian
- Department of Biomedical Engineering (M.Z., Y.N., Y.W., W.B., A.V.B., Y.Z., G.P.W., J.Z.), the University of Alabama at Birmingham
| | - Yuxin Chu
- Division of Cardiology, Department of Medicine (Y.C., M.X., G.P.W., J.Z.), the University of Alabama at Birmingham
| | - Anton V Borovjagin
- Department of Biomedical Engineering (M.Z., Y.N., Y.W., W.B., A.V.B., Y.Z., G.P.W., J.Z.), the University of Alabama at Birmingham
| | - Min Xie
- Division of Cardiology, Department of Medicine (Y.C., M.X., G.P.W., J.Z.), the University of Alabama at Birmingham
| | - Wuqiang Zhu
- Department of Cardiovascular Diseases, Physiology and Biomedical Engineering, Mayo Clinic Arizona, Scottsdale (W.Z.)
| | - Thanh Nguyen
- School of Medicine and School of Engineering, and Informatics Institute (T.N.), the University of Alabama at Birmingham
| | - Yang Zhou
- Department of Biomedical Engineering (M.Z., Y.N., Y.W., W.B., A.V.B., Y.Z., G.P.W., J.Z.), the University of Alabama at Birmingham
| | - Vahid Serpooshan
- Wallace H. Coulter Department of Biomedical Engineering, Department of Pediatrics, Emory University and Georgia Institute of Technology, Atlanta (V.S.)
| | - Gregory P Walcott
- Department of Biomedical Engineering (M.Z., Y.N., Y.W., W.B., A.V.B., Y.Z., G.P.W., J.Z.), the University of Alabama at Birmingham.,Division of Cardiology, Department of Medicine (Y.C., M.X., G.P.W., J.Z.), the University of Alabama at Birmingham
| | - Jianyi Zhang
- Department of Biomedical Engineering (M.Z., Y.N., Y.W., W.B., A.V.B., Y.Z., G.P.W., J.Z.), the University of Alabama at Birmingham.,Division of Cardiology, Department of Medicine (Y.C., M.X., G.P.W., J.Z.), the University of Alabama at Birmingham
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de Sousa GR, Vieira GM, das Chagas PF, Pezuk JA, Brassesco MS. Should we keep rocking? Portraits from targeting Rho kinases in cancer. Pharmacol Res 2020; 160:105093. [PMID: 32726671 DOI: 10.1016/j.phrs.2020.105093] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 07/15/2020] [Accepted: 07/19/2020] [Indexed: 12/12/2022]
Abstract
Cancer targeted therapy, either alone or in combination with conventional chemotherapy, could allow the survival of patients with neoplasms currently considered incurable. In recent years, the dysregulation of the Rho-associated coiled-coil kinases (ROCK1 and ROCK2) has been associated with increased metastasis and poorer patient survival in several tumor types, and due to their essential roles in regulating the cytoskeleton, have gained popularity and progressively been researched as targets for the development of novel anti-cancer drugs. Nevertheless, in a pediatric scenario, the influence of both isoforms on prognosis remains a controversial issue. In this review, we summarize the functions of ROCKs, compile their roles in human cancer and their value as prognostic factors in both, adult and pediatric cancer. Moreover, we provide the up-to-date advances on their pharmacological inhibition in pre-clinical models and clinical trials. Alternatively, we highlight and discuss detrimental effects of ROCK inhibition provoked not only by the action on off-targets, but most importantly, by pro-survival effects on cancer stem cells, dormant cells, and circulating tumor cells, along with cell-context or microenvironment-dependent contradictory responses. Together these drawbacks represent a risk for cancer cell dissemination and metastasis after anti-ROCK intervention, a caveat that should concern scientists and clinicians.
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Affiliation(s)
| | | | | | | | - María Sol Brassesco
- Department of Biology, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto, University of São Paulo, Brazil.
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Dexmedetomidine Attenuates Neurotoxicity in Developing Rats Induced by Sevoflurane through Upregulating BDNF-TrkB-CREB and Downregulating ProBDNF-P75NRT-RhoA Signaling Pathway. Mediators Inflamm 2020; 2020:5458061. [PMID: 32655312 PMCID: PMC7322616 DOI: 10.1155/2020/5458061] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 05/23/2020] [Indexed: 12/22/2022] Open
Abstract
To investigate the mechanism dexmedetomidine in relieving the neurotoxicity of a developing brain induced by sevoflurane. Sprague-Dawley rats, 6 days old, were randomly divided into three groups. Rats in the control group were inhaled with air after injection of normal saline; rats in the sevoflurane group were injected with normal saline and inhaled with 3% sevoflurane for 2 h in three consecutive day; rats in the dexmedetomidine group were inhaled with 3% sevoflurane after intraperitoneal injection of dexmedetomidine 25 μg/kg. WB results showed that mBDNF, pTrkB/TrkB, and CREB were significantly decreased in the hippocampus of the sevoflurane group, which are significantly upregulated in the dexmedetomidine group. In the sevoflurane group, proBDNF, P75NRT, and RhoA were significantly increased, which were significantly lower than those in the dexmedetomidine group than those in the sevoflurane group. The expression BDNF was downregulated in the sevoflurane group, while the proBDNF was upregulated in the sevoflurane group. In the Morris water maze test, the escape latency of the sevoflurane group was significantly prolonged. In sevoflurane groups, the number of crossing platform was significantly reduced, the synaptic protein decreased significantly, and this effect was reversed in rats of the dexmedetomidine group. Dexmedetomidine could reduce synaptic plasticity decline in developing rats induced by sevoflurane, through downregulating the proBDNF-p75NTR-RhoA pathway and upregulating BDNF-TrkB-CREB.
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Ernst P, Xu N, Qu J, Chen H, Goldberg MS, Darley-Usmar V, Zhang JJ, O'Rourke B, Liu X, Zhou L. Precisely Control Mitochondria with Light to Manipulate Cell Fate Decision. Biophys J 2019; 117:631-645. [PMID: 31400914 DOI: 10.1016/j.bpj.2019.06.038] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 05/13/2019] [Accepted: 06/17/2019] [Indexed: 12/31/2022] Open
Abstract
Mitochondrial dysfunction has been implicated in many pathological conditions and diseases. The normal functioning of mitochondria relies on maintaining the inner mitochondrial membrane potential (also known as ΔΨm) that is essential for ATP synthesis, Ca2+ homeostasis, redox balance, and regulation of other key signaling pathways such as mitophagy and apoptosis. However, the detailed mechanisms by which ΔΨm regulates cellular function remain incompletely understood, partially because of the difficulty of manipulating ΔΨm with spatiotemporal resolution, reversibility, or cell type specificity. To address this need, we have developed a next generation optogenetic-based technique for controllable mitochondrial depolarization with light. We demonstrate successful targeting of the heterologous channelrhodopsin-2 fusion protein to the inner mitochondrial membrane and formation of functional cationic channels capable of light-induced selective ΔΨm depolarization and mitochondrial autophagy. Importantly, we for the first time, to our knowledge, show that optogenetic-mediated mitochondrial depolarization can be well controlled to differentially influence the fate of cells expressing mitochondrial channelrhodopsin-2; whereas sustained moderate light illumination induces substantial apoptotic cell death, transient mild light illumination elicits cytoprotection via mitochondrial preconditioning. Finally, we show that Parkin overexpression exacerbates, instead of ameliorating, mitochondrial depolarization-mediated cell death in HeLa cells. In summary, we provide evidence that the described mitochondrial-targeted optogenetics may have a broad application for studying the role of mitochondria in regulating cell function and fate decision.
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Affiliation(s)
- Patrick Ernst
- Departments of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, Alabama; Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - Ningning Xu
- Departments of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, Alabama
| | - Jing Qu
- Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - Herbert Chen
- Surgery, University of Alabama at Birmingham, Birmingham, Alabama
| | | | | | - Jianyi J Zhang
- Departments of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, Alabama
| | - Brian O'Rourke
- Division of Cardiology, Department of Medicine, The Johns Hopkins University, Baltimore, Maryland
| | - Xiaoguang Liu
- Departments of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, Alabama
| | - Lufang Zhou
- Departments of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, Alabama; Medicine, University of Alabama at Birmingham, Birmingham, Alabama.
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