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Limerick E, Shmukler J, Sirajuddin A, Nguyen ML, Jeffries N, Sachdev V, Fitzhugh CD. Improvement in Cardiac Morphology Demonstrated by Cardiac Magnetic Resonance Imaging and Echocardiography after Haploidentical Hematopoietic Cell Transplantation in Adults with Sickle Cell Disease. Transplant Cell Ther 2024; 30:231.e1-231.e9. [PMID: 37952647 PMCID: PMC10872749 DOI: 10.1016/j.jtct.2023.11.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 10/19/2023] [Accepted: 11/05/2023] [Indexed: 11/14/2023]
Abstract
Cardiopulmonary complications account for approximately 40% of deaths in patients with sickle cell disease (SCD). Diffuse myocardial fibrosis, elevated tricuspid regurgitant jet velocity (TRV) and iron overload are all associated with early mortality. Although HLA-matched sibling hematopoietic cell transplantation (HCT) offers a potential cure, less than 20% of patients have a suitable donor. Haploidentical HCT allows for an increased donor pool and has recently demonstrated improved safety and efficacy. Our group has reported improved cardiac morphology via echocardiography at 1 year after HCT. Here we describe the first use of cardiac magnetic resonance imaging (CMR), the gold standard for measuring volume, mass, and ventricular function, to evaluate changes in cardiac morphology post-HCT in adults with SCD. We analyzed baseline and 1-year data from 12 adults with SCD who underwent nonmyeloablative haploidentical peripheral blood HCT at the National Institutes of Health. Patients underwent noncontrast CMR at 3 T, echocardiography, and laboratory studies. At 1 year after HCT, patients showed marked improvement in cardiac chamber morphology by CMR, including left ventricular (LV) mass (70.2 to 60.1 g/m2; P = .02) and volume (114.5 to 90.6 mL/m2; P = .001). Furthermore, mean TRV normalized by 1 year, suggesting that HCT may offer a survival benefit. Fewer patients had pathologically prolonged native myocardial T1 times, an indirect marker of myocardial fibrosis at 1 year; these data showed a trend toward significance. In this small sample, CMR was very sensitive in detecting cardiac mass and volume changes after HCT and provided complementary information to echocardiography. Notably, post-HCT improvement in cardiac parameters can be attributed only in part to the resolution of anemia; further studies are needed to determine the roles of myocardial fibrosis reversal, improved blood flow, and survival impact after HCT for SCD.
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Affiliation(s)
- Emily Limerick
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
| | - Jennifer Shmukler
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
| | | | - My-Le Nguyen
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
| | - Neal Jeffries
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
| | - Vandana Sachdev
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
| | - Courtney D Fitzhugh
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland.
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Xanthopoulos A, Katsiadas N, Skoularigkis S, Magouliotis DE, Skopeliti N, Patsilinakos S, Briasoulis A, Triposkiadis F, Skoularigis J. Association between Dapagliflozin, Cardiac Biomarkers and Cardiac Remodeling in Patients with Diabetes Mellitus and Heart Failure. Life (Basel) 2023; 13:1778. [PMID: 37629635 PMCID: PMC10455594 DOI: 10.3390/life13081778] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 08/17/2023] [Accepted: 08/19/2023] [Indexed: 08/27/2023] Open
Abstract
Sodium-glucose cotransporter-2 inhibitors (SGLT2is) are a relatively new class of antidiabetic drugs that have shown favorable effects in heart failure (HF) patients, irrespective of the left ventricular ejection fraction (LVEF). Recent studies have demonstrated the beneficial effects of empagliflozin on cardiac function and structure; however, less is known about dapagliflozin. The purpose of the current work was to investigate the association between the use of dapagliflozin and cardiac biomarkers as well as the cardiac structure in a cohort of patients with HF and diabetes mellitus (DM). The present work was an observational study that included 118 patients (dapagliflozin group n = 60; control group n = 58) with HF and DM. The inclusion criteria included: age > 18 years, a history of DM and HF, regardless of LVEF, and hospitalization for HF exacerbation within the previous 6 months. The exclusion criteria were previous treatment with SGLT2i or glucagon-like peptide-1 receptor agonists, a GFR< 30 and life expectancy < 1 year. The evaluation of patients (at baseline, 6 and 12 months) included a clinical assessment, laboratory blood tests and echocardiography. The Mann-Whitney test was used for the comparison of continuous variables between the two groups, while Friedman's analysis of variance for repeated measures was used for the comparison of continuous variables. Troponin (p < 0.001) and brain natriuretic peptide (BNP) (p < 0.001) decreased significantly throughout the follow-up period in the dapagliflozin group, but not in the control group (p > 0.05 for both). The LV end-diastolic volume index (p < 0.001 for both groups) and LV end-systolic volume index (p < 0.001 for both groups) decreased significantly in the dapagliflozin and the control group, respectively. The LVEF increased significantly (p < 0.001) only in the dapagliflozin group, whereas the global longitudinal strain (GLS) improved in the dapagliflozin group (p < 0.001) and was impaired in the control group (p = 0.021). The left atrial volume index decreased in the dapagliflozin group (p < 0.001) but remained unchanged in the control group (p = 0.114). Lastly, the left ventricular mass index increased significantly both in the dapagliflozin (p = 0.003) and control group (p = 0.001). Dapagliflozin, an SGLT2i, was associated with a reduction in cardiac biomarkers and with reverse cardiac remodeling in patients with HF and DM.
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Affiliation(s)
- Andrew Xanthopoulos
- Department of Cardiology, University Hospital of Larissa, 41110 Larissa, Greece; (S.S.); (N.S.); (F.T.)
| | - Nikolaos Katsiadas
- Department of Cardiology, Konstantopoulio General Hospital, 14233 Nea Ionia, Greece
| | - Spyridon Skoularigkis
- Department of Cardiology, University Hospital of Larissa, 41110 Larissa, Greece; (S.S.); (N.S.); (F.T.)
| | - Dimitrios E. Magouliotis
- Unit of Quality Improvement, Department of Cardiothoracic Surgery, University of Thessaly, 41110 Larissa, Greece;
| | - Niki Skopeliti
- Department of Cardiology, University Hospital of Larissa, 41110 Larissa, Greece; (S.S.); (N.S.); (F.T.)
| | | | - Alexandros Briasoulis
- Department of Therapeutics, Heart Failure and Cardio-Oncology Clinic, National and Kapodistrian University of Athens, 11527 Athens, Greece;
| | - Filippos Triposkiadis
- Department of Cardiology, University Hospital of Larissa, 41110 Larissa, Greece; (S.S.); (N.S.); (F.T.)
| | - John Skoularigis
- Department of Cardiology, University Hospital of Larissa, 41110 Larissa, Greece; (S.S.); (N.S.); (F.T.)
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Endothelial-cell-mediated mechanism of coronary microvascular dysfunction leading to heart failure with preserved ejection fraction. Heart Fail Rev 2023; 28:169-178. [PMID: 35266091 PMCID: PMC9902427 DOI: 10.1007/s10741-022-10224-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/23/2022] [Indexed: 02/07/2023]
Abstract
Although the prevalence of heart failure with preserved ejection fraction (HFpEF) is growing worldwide, its complex pathophysiology has yet to be fully elucidated, and multiple hypotheses have all failed to produce a viable target for therapeutic action or provide effective treatment. Cardiac remodeling has long been considered an important mechanism of HFpEF. Strong evidence has been reported over the past years that coronary microvascular dysfunction (CMD), manifesting as structural and functional abnormalities of coronary microvasculature, also contributes to the evolution of HFpEF. However, the mechanisms of CMD are still not well understood and need to be studied further. Coronary microvascular endothelial cells (CMECs) are one of the most abundant cell types in the heart by number and active players in cardiac physiology and pathology. CMECs are not only important cellular mediators of cardiac vascularization but also play an important role in disease pathophysiology by participating in the inception and progression of cardiac remodeling. CMECs are also actively involved in the pathogenesis of CMD. Numerous studies have confirmed that CMD is closely related to cardiac remodeling. ECs may serve a critical function in mediating the connection between CMD and HFpEF. It follows that CMECs participate in the mechanism of CMD leading to HFpEF. In this review article, we focus on the role of CMD in the pathogenesis of HFpEF resulting from cardiac remodeling and highlight the subsequent complexity of the EC-mediated correlation between CMD and HFpEF.
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Zhou Z, Zhuang X, Liu M, Jian B, Fu G, Liao X, Wu Z, Liang M. Left ventricular volume change and long-term outcomes in ischaemic cardiomyopathy with or without surgical revascularisation: A post-hoc analysis of a randomised controlled trial. EClinicalMedicine 2022; 53:101626. [PMID: 36060518 PMCID: PMC9433601 DOI: 10.1016/j.eclinm.2022.101626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 07/18/2022] [Accepted: 08/08/2022] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND Whether the association between post-therapeutic left ventricular volume change and long-term outcomes in ischaemic cardiomyopathy is influenced by the performance of coronary artery bypass grafting (CABG) remains unclear. We sought to perform a post-hoc analysis of the Surgical Treatment of Ischaemic Heart Failure (STICH) trial to investigate this association in patients treated with medical therapy (MED) with or without CABG. METHODS From July 24, 2002, to May 5, 2007, 1212 patients with ischaemic cardiomyopathy were enrolled in the STICH trial (NCT00023595) from 99 sites in 22 countries, and were randomly assigned to undergo CABG plus MED or MED alone. We completed a post-hoc analysis of this trial. Patients with paired left ventricular end-systolic volume index (ESVI) measured at baseline and 4-months were included in our analysis. The association between change in ESVI from baseline to 4-months and cardiovascular mortality or all-cause mortality was assessed in MED arm and CABG plus MED arm. FINDINGS 523 patients were included, with 291 (55.6%) assigned to MED arm and 232 (44.4%) to CABG plus MED arm. At a 4-month follow-up, ESVI reduction was more likely to occur among patients undergoing CABG plus MED. After a median follow-up of 10.3 years, for each 26% (1- standard deviation) decrement in ESVI, it was associated with a 22% lower risk of cardiovascular mortality (HR 0.78; 95% CI, 0.65-0.94) and 19% lower risk of all-cause mortality (HR 0.81; 95% CI, 0.69-0.95) in MED arm, whereas this association was not shown in CABG plus MED arm (cardiovascular mortality: HR 0.90; 95%CI, 0.74-1.10; all-cause mortality: HR 0.93; 95%CI, 0.79-1.09). A 16% reduction in ESVI was determined to be the most appropriate threshold of change in ESVI in the MED arm. INTERPRETATION In patients with ischaemic cardiomyopathy, left ventricular volume change was associated with long-term prognosis after medical therapy alone, whereas was likely not an optimal benchmark for evaluating the survival benefits associated with CABG. A more than 16% reduction in ESVI might assist in therapeutic efficacy assessment and prognostic evaluation in medically treated patients. FUNDING National Natural Science Foundation of China; Natural Science Funds of Guangdong Province.
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Affiliation(s)
- Zhuoming Zhou
- Department of Cardiac Surgery, First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Xiaodong Zhuang
- Departement of Cardiology, First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Menghui Liu
- Departement of Cardiology, First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Bohao Jian
- Department of Cardiac Surgery, First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Guangguo Fu
- Department of Cardiac Surgery, First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Xinxue Liao
- Departement of Cardiology, First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Zhongkai Wu
- Department of Cardiac Surgery, First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
- Corresponding authors at: Department of Cardiac Surgery, First Affiliated Hospital of Sun Yat-Sen University, 58 Zhongshan II Road, Guangzhou 510080, China.
| | - Mengya Liang
- Department of Cardiac Surgery, First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
- Corresponding authors at: Department of Cardiac Surgery, First Affiliated Hospital of Sun Yat-Sen University, 58 Zhongshan II Road, Guangzhou 510080, China.
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Gao M, Cai Q, Si H, Shi S, Wei H, Lv M, Wang X, Dong T. Isoliquiritigenin attenuates pathological cardiac hypertrophy via regulating AMPKα in vivo and in vitro. J Mol Histol 2022; 53:679-689. [PMID: 35834120 DOI: 10.1007/s10735-022-10090-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 06/07/2022] [Indexed: 11/29/2022]
Abstract
Isoliquiritigenin (ISL) is a type of flavonoid, derived from the root of the legume plant Glycyrrhiza, that has multiple pharmacological properties. However, its role in cardiac remodeling induced by pressure overload has yet to be fully elucidated. Aortic banding (AB) surgery was used to establish a cardiac hypertrophy model in male C57BL/6 mice. Mice were randomly divided into four groups (n = 20 per group) as follows: Sham + vehicle, sham + ISL, AB + vehicle and AB + ISL. ISL was administered to the mice intragastrically for 1 week after the operation. To evaluate the role of ISL in mice challenged with AB, echocardiography, histological analysis and molecular biochemistry examinations were performed. ISL treatment decreased cardiac hypertrophy and improved cardiac dysfunction induced by pressure overload. In addition, ISL decreased the cross-sectional area of cardiomyocytes. Furthermore, ISL reversed the AB-mediated increase in phosphorylated (p-)mTOR and p-ERK protein levels and further increased the protein expression of p-AMP-activated protein kinase (AMPK)α in response to AB, whereas knockout of AMPKα abolished the protective effects of ISL. The present study suggested that ISL could suppress pressure overload-induced cardiac hypertrophy through the activation of AMPKα. Therefore, ISL may serve as a therapeutic target for cardiac remodeling.
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Affiliation(s)
- Meiling Gao
- Department of Anesthesiology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Qiang Cai
- Department of Orthopedics, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
| | - Haichao Si
- Department of Anesthesiology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Si Shi
- Department of Anesthesiology, Hubei Provincial Peoples Hospital affiliated to Wuhan University, Wuhan, China
| | - Huixia Wei
- Department of Anesthesiology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Miaomiao Lv
- Department of Anesthesiology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xiaofan Wang
- Department of Anesthesiology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Tieli Dong
- Department of Anesthesiology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
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Liu Z, Liu L, Cheng J, Zhang H. Risk Prediction Model Based on Biomarkers of Remodeling in Patients with Acute Anterior ST-Segment Elevation Myocardial Infarction. Med Sci Monit 2021; 27:e927404. [PMID: 34282109 PMCID: PMC8306886 DOI: 10.12659/msm.927404] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Background The aim of the present study was to develop a risk prediction model in patients with acute anterior ST-segment elevation myocardial infarction (STEMI). Material/Methods Clinical data from 333 patients with acute anterior STEMI were retrospectively analyzed. Clinical echocardiographic and angiographic data from patients with left ventricular remodeling (LVR) and those without LVR were compared. Factors that influenced risk were identified using multivariate logistic regression analysis. The area under the curve (AUC) of the receiver operating characteristic curve was used to assess the diagnostic performance of the model. Results After 6-month follow-up, 135 of the patients experienced LVR (LVR group), whereas 198 did not (non-LVR group). Results of multivariate analysis showed that the number of stenosed coronary vessels, left ventricular end-diastolic volume (LVEDV), left ventricular ejection fraction (LVEF), transforming growth factor-beta (TGF-β) at admission, and cardiac troponin I 3 days after admission (3-d cTnI) were all factors predictive of LVR in patients with acute anterior STEMI (all P<0.05). The established prediction model was Y=−20.639+0.711×number of stenosed coronary vessels + 0.137×LVEDV-0.129×LVEF+0.026×TGF-β at admission + 0.162×3-d cTnI. The estimated AUC of this model was 0.978 (95% confidence interval [CI] 0.955–0.991), significantly superior to the single-factor numbers for stenosed coronary vessel of 0.650 (95% CI 0.597–0.702), LVEDV of 0.876 (95% CI 0.836–0.910), LVEF of 0.684 (95% CI 0.631–0.734), TGF-β at admission of 0.696 (95% CI 0.644–0.745), cTnI at admission of 0.913 (95% CI 0.877–0.941), and 3-d cTnI of 0.945 (95% CI 0.914–0.967). Conclusions The established model had excellent diagnostic accuracy for predicting LVR in patients with acute anterior STEMI.
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Affiliation(s)
- Zeyan Liu
- Department of Emergency Medicine, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China (mainland).,Chest Pain Center, Department of Emergency Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China (mainland)
| | - Lijun Liu
- Department of Emergency Medicine, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China (mainland)
| | - Jinglin Cheng
- Chest Pain Center, Department of Emergency Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China (mainland)
| | - Hao Zhang
- Chest Pain Center, Department of Emergency Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China (mainland)
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Heck SL, Mecinaj A, Ree AH, Hoffmann P, Schulz-Menger J, Fagerland MW, Gravdehaug B, Røsjø H, Steine K, Geisler J, Gulati G, Omland T. Prevention of Cardiac Dysfunction During Adjuvant Breast Cancer Therapy (PRADA): Extended Follow-Up of a 2×2 Factorial, Randomized, Placebo-Controlled, Double-Blind Clinical Trial of Candesartan and Metoprolol. Circulation 2021; 143:2431-2440. [PMID: 33993702 PMCID: PMC8212877 DOI: 10.1161/circulationaha.121.054698] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 04/13/2021] [Indexed: 11/25/2022]
Abstract
BACKGROUND Adjuvant breast cancer therapy containing anthracyclines with or without anti-human epidermal growth factor receptor-2 antibodies and radiotherapy is associated with cancer treatment-related cardiac dysfunction. In the PRADA trial (Prevention of Cardiac Dysfunction During Adjuvant Breast Cancer Therapy), concomitant treatment with the angiotensin receptor blocker candesartan attenuated the reduction in left ventricular ejection fraction (LVEF) in women receiving treatment for breast cancer, whereas the β-blocker metoprolol attenuated the increase in cardiac troponins. This study aimed to assess the long-term effects of candesartan and metoprolol or their combination to prevent a reduction in cardiac function and myocardial injury. METHODS In this 2×2 factorial, randomized, placebo-controlled, double-blind, single-center trial, patients with early breast cancer were assigned to concomitant treatment with candesartan cilexetil, metoprolol succinate, or matching placebos. Target doses were 32 and 100 mg, respectively. Study drugs were discontinued after adjuvant therapy. All 120 validly randomized patients were included in the intention-to-treat analysis. The primary outcome measure was change in LVEF assessed by cardiovascular magnetic resonance imaging from baseline to extended follow-up. Secondary outcome measures included changes in left ventricular volumes, echocardiographic peak global longitudinal strain, and circulating cardiac troponin concentrations. RESULTS A small decline in LVEF but no significant between-group differences were observed from baseline to extended follow-up, at a median of 23 months (interquartile range, 21 to 28 months) after randomization (candesartan, 1.7% [95% CI, 0.5 to 2.8]; no candesartan, 1.8% [95% CI, 0.6 to 3.0]; metoprolol, 1.6% [95% CI, 0.4 to 2.7]; no metoprolol, 1.9% [95% CI, 0.7 to 3.0]). Candesartan treatment during adjuvant therapy was associated with a significant reduction in left ventricular end-diastolic volume compared with the noncandesartan group (P=0.021) and attenuated decline in global longitudinal strain (P=0.046) at 2 years. No between-group differences in change in cardiac troponin I and T concentrations were observed. CONCLUSIONS Anthracycline-containing adjuvant therapy for early breast cancer was associated with a decline in LVEF during extended follow-up. Candesartan during adjuvant therapy did not prevent reduction in LVEF at 2 years, but was associated with modest reduction in left ventricular end-diastolic volume and preserved global longitudinal strain. These results suggest that a broadly administered cardioprotective approach may not be required in most patients with early breast cancer without preexisting cardiovascular disease. Registration: URL: https://www.clinicaltrials.gov; Unique identifier: NCT01434134.
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Affiliation(s)
- Siri Lagethon Heck
- Department of Diagnostic Imaging (S.L.H.), Akershus University Hospital, Lørenskog, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Norway (S.L.H., A.M., A.H.R., H.R., K.S., J.G., G.G., T.O.)
| | - Albulena Mecinaj
- Department of Cardiology (A.M., K.S., G.G., T.O.), Akershus University Hospital, Lørenskog, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Norway (S.L.H., A.M., A.H.R., H.R., K.S., J.G., G.G., T.O.)
| | - Anne Hansen Ree
- Department of Oncology (A.H.R., J.G.), Akershus University Hospital, Lørenskog, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Norway (S.L.H., A.M., A.H.R., H.R., K.S., J.G., G.G., T.O.)
| | - Pavel Hoffmann
- Section for Interventional Cardiology, Department of Cardiology, Division of Cardiovascular and Pulmonary Diseases (P.H.), Oslo University Hospital, Ullevål, Norway
| | - Jeanette Schulz-Menger
- Department of Cardiology, Charité Campus Buch, Universitätsmedizin Berlin, Germany (J.S.-M.)
- HELIOS Clinics, Berlin, Germany (J.S.-M.)
| | - Morten Wang Fagerland
- Oslo Centre for Biostatistics and Epidemiology, Research Support Services, Oslo University Hospital, Norway (M.W.F.)
| | - Berit Gravdehaug
- Department of Breast and Endocrine Surgery, (B.G.), Akershus University Hospital, Lørenskog, Norway
| | - Helge Røsjø
- Division of Research and Innovation (H.R.), Akershus University Hospital, Lørenskog, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Norway (S.L.H., A.M., A.H.R., H.R., K.S., J.G., G.G., T.O.)
| | - Kjetil Steine
- Department of Cardiology (A.M., K.S., G.G., T.O.), Akershus University Hospital, Lørenskog, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Norway (S.L.H., A.M., A.H.R., H.R., K.S., J.G., G.G., T.O.)
| | - Jürgen Geisler
- Department of Oncology (A.H.R., J.G.), Akershus University Hospital, Lørenskog, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Norway (S.L.H., A.M., A.H.R., H.R., K.S., J.G., G.G., T.O.)
| | - Geeta Gulati
- Department of Cardiology (A.M., K.S., G.G., T.O.), Akershus University Hospital, Lørenskog, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Norway (S.L.H., A.M., A.H.R., H.R., K.S., J.G., G.G., T.O.)
- Department of Cardiology, Division of Medicine (G.G.), Oslo University Hospital, Ullevål, Norway
| | - Torbjørn Omland
- Department of Cardiology (A.M., K.S., G.G., T.O.), Akershus University Hospital, Lørenskog, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Norway (S.L.H., A.M., A.H.R., H.R., K.S., J.G., G.G., T.O.)
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Wei YJ, Xu HJ, Chen JJ, Yang X, Xiong J, Wang J, Cheng F. Carnosic acid protects against pressure overload-induced cardiac remodelling by inhibiting the AKT/GSK3β/NOX4 signalling pathway. Exp Ther Med 2020; 20:3709-3719. [PMID: 32855722 PMCID: PMC7444384 DOI: 10.3892/etm.2020.9109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 01/09/2020] [Indexed: 12/21/2022] Open
Abstract
Oxidative stress and apoptosis serve an important role in the development of pressure overload-induced cardiac remodelling. Carnosic acid (CA) has been found to exert antioxidant and anti-apoptotic effects. The present study investigated the underlying mechanism of CA protection and whether this effect was exerted against pressure overload-induced cardiac remodelling. Aortic banding (AB) surgery was performed to induce cardiac remodelling. Mice were randomly divided into four groups (n=15/group): i) Sham + vehicle; ii) sham + CA; iii) AB + vehicle; and iv) AB + CA. After 2 days of AB, 50 mg kg CA was administered orally for 12 days. Echocardiography, histological analysis and molecular biochemistry techniques were performed to evaluate the roles of CA. CA treatment decreased cardiac hypertrophy, fibrosis, oxidative stress and apoptosis in mice challenged with pressure overload. CA also decreased the cross-sectional area of cardiomyocytes and the mRNA and protein expression levels of hypertrophic markers. Furthermore, CA treatment decreased collagen deposition, α-smooth muscle actin expression and the mRNA and protein expression of various fibrotic markers. Additionally, CA reversed the AB-mediated increase in NAPDH oxidase (NOX) 2, NOX4 and 4-hydroxynonenal levels. The number of apoptotic cells was decreased following CA treatment following under conditions of pressure overload. CA also suppressed the activation of AKT and glycogen synthase kinase 3 β (GSK3β) in mice challenged with AB. The present results suggested that CA could inhibit pressure overload-induced cardiac hypertrophy and fibrosis by suppressing the AKT/GSK3β/NOX4 signalling pathway. Therefore, CA may be a promising therapy for cardiac remodelling.
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Affiliation(s)
- Yun-Jie Wei
- Department of Cardiology, Taihe Hospital of Shiyan, Affiliated to Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Hai-Jun Xu
- Department of Cardiology, Taihe Hospital of Shiyan, Affiliated to Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Jia-Juan Chen
- Department of Cardiology, Taihe Hospital of Shiyan, Affiliated to Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Xi Yang
- Department of Cardiology, Taihe Hospital of Shiyan, Affiliated to Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Jian Xiong
- Department of Cardiology, Taihe Hospital of Shiyan, Affiliated to Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Jing Wang
- Department of Cardiology, Taihe Hospital of Shiyan, Affiliated to Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Fei Cheng
- Department of Cardiology, Taihe Hospital of Shiyan, Affiliated to Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
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Rajapreyar I, Samson R, Ennezat PV, Jemtel THL. Targeted Mono-Therapy for Newly Diagnosed Dilated Cardiomyopathy. J Card Fail 2019; 25:686-689. [DOI: 10.1016/j.cardfail.2019.05.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 05/18/2019] [Accepted: 05/28/2019] [Indexed: 12/11/2022]
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10
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Liu J, Zhuang T, Pi J, Chen X, Zhang Q, Li Y, Wang H, Shen Y, Tomlinson B, Chan P, Yu Z, Cheng Y, Zheng X, Reilly M, Morrisey E, Zhang L, Liu Z, Zhang Y. Endothelial Forkhead Box Transcription Factor P1 Regulates Pathological Cardiac Remodeling Through Transforming Growth Factor-β1-Endothelin-1 Signal Pathway. Circulation 2019; 140:665-680. [PMID: 31177814 DOI: 10.1161/circulationaha.119.039767] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Pathological cardiac fibrosis and hypertrophy, the common features of left ventricular remodeling, often progress to heart failure. Forkhead box transcription factor P1 (Foxp1) in endothelial cells (ECs) has been shown to play an important role in heart development. However, the effect of EC-Foxp1 on pathological cardiac remodeling has not been well clarified. This study aims to determine the role of EC-Foxp1 in pathological cardiac remodeling and the underlying mechanisms. METHODS Foxp1 EC-specific loss-of-function and gain-of-function mice were generated, and an angiotensin II infusion or a transverse aortic constriction operation mouse model was used to study the cardiac remodeling mechanisms. Foxp1 downstream target gene transforming growth factor-β1 (TGF-β1) was confirmed by chromatin immunoprecipitation and luciferase assays. Finally, the effects of TGF-β1 blockade on EC-Foxp1 deletion-mediated profibrotic and prohypertrophic phenotypic changes were further confirmed by pharmacological inhibition, more specifically by RGD-peptide magnetic nanoparticle target delivery of TGF-β1-siRNA to ECs. RESULTS Foxp1 expression is significantly downregulated in cardiac ECs during angiotensin II-induced cardiac remodeling. EC-Foxp1 deletion results in severe cardiac remodeling, including more cardiac fibrosis with myofibroblast formation and extracellular matrix protein production, as well as decompensated cardiac hypertrophy and further exacerbation of cardiac dysfunction on angiotensin II infusion or transverse aortic constriction operation. In contrast, EC-Foxp1 gain of function protects against pathological cardiac remodeling and improves cardiac dysfunction. TGF-β1 signals are identified as Foxp1 direct target genes, and EC-Foxp1 deletion upregulates TGF-β1 signals to promote myofibroblast formation through fibroblast proliferation and transformation, resulting in severe cardiac fibrosis. Moreover, EC-Foxp1 deletion enhances TGF-β1-promoted endothelin-1 expression, which significantly increases cardiomyocyte size and reactivates cardiac fetal genes, leading to pathological cardiac hypertrophy. Correspondingly, these EC-Foxp1 deletion-mediated profibrotic and prohypertrophic phenotypic changes and cardiac dysfunction are normalized by the blockade of TGF-β1 signals through pharmacological inhibition and RGD-peptide magnetic nanoparticle target delivery of TGF-β1-siRNA to ECs. CONCLUSIONS EC-Foxp1 regulates the TGF-β1-endothelin-1 pathway to control pathological cardiac fibrosis and hypertrophy, resulting in cardiac dysfunction. Therefore, targeting the EC-Foxp1-TGF-β1-endothelin-1 pathway might provide a future novel therapy for heart failure.
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Affiliation(s)
- Jie Liu
- Key Laboratory of Arrhythmias of the Ministry of Education of China, Research Center for Translational Medicine (J.L., T.Z., X.C., Z.Y., L.Z., Z.L., Y.Z.), Tongji University School of Medicine, China
| | - Tao Zhuang
- Key Laboratory of Arrhythmias of the Ministry of Education of China, Research Center for Translational Medicine (J.L., T.Z., X.C., Z.Y., L.Z., Z.L., Y.Z.), Tongji University School of Medicine, China
| | - Jingjiang Pi
- Department of Cardiology (J.P., Q.Z., Y.L.), Shanghai East Hospital, Tongji University School of Medicine, China
| | - Xiaoli Chen
- Key Laboratory of Arrhythmias of the Ministry of Education of China, Research Center for Translational Medicine (J.L., T.Z., X.C., Z.Y., L.Z., Z.L., Y.Z.), Tongji University School of Medicine, China
| | - Qi Zhang
- Department of Cardiology (J.P., Q.Z., Y.L.), Shanghai East Hospital, Tongji University School of Medicine, China
| | - Ying Li
- Department of Cardiology (J.P., Q.Z., Y.L.), Shanghai East Hospital, Tongji University School of Medicine, China
| | - Haikun Wang
- CAS Key Laboratory of Molecular Virology and Immunology, Institute Pasteur of Shanghai, Chinese Academy of Science, University of Chinese Academy of Sciences (H.W.)
| | - Yajing Shen
- Institute for Biomedical Engineering and Nano Science (Y.S., Y.C.), Tongji University School of Medicine, China
| | - Brian Tomlinson
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong (B.T.)
| | - Paul Chan
- Division of Cardiology, Department of Internal Medicine, Wan Fang Hospital, Taipei Medical University, Taiwan (P.C.)
| | - Zuoren Yu
- Key Laboratory of Arrhythmias of the Ministry of Education of China, Research Center for Translational Medicine (J.L., T.Z., X.C., Z.Y., L.Z., Z.L., Y.Z.), Tongji University School of Medicine, China
| | - Yu Cheng
- Institute for Biomedical Engineering and Nano Science (Y.S., Y.C.), Tongji University School of Medicine, China
| | - Xiangjian Zheng
- Department of Pharmacology, School of Basic Medical Sciences, Tianjin Medical University, China (X.Z.).,Laboratory of Cardiovascular Signaling, Centenary Institute, Camperdown, Australia (X.Z.)
| | - Muredach Reilly
- Cardiology Division, Department of Medicine and the Irving Institute for Clinical and Translational Research, Columbia University, New York (M.R.)
| | - Edward Morrisey
- Department of Cell and Developmental Biology, Department of Medicine, Penn Cardiovascular Institute, and Penn Institute for Regenerative Medicine, University of Pennsylvania, Philadelphia (E.M.)
| | - Lin Zhang
- Key Laboratory of Arrhythmias of the Ministry of Education of China, Research Center for Translational Medicine (J.L., T.Z., X.C., Z.Y., L.Z., Z.L., Y.Z.), Tongji University School of Medicine, China
| | - Zhongmin Liu
- Key Laboratory of Arrhythmias of the Ministry of Education of China, Research Center for Translational Medicine (J.L., T.Z., X.C., Z.Y., L.Z., Z.L., Y.Z.), Tongji University School of Medicine, China
| | - Yuzhen Zhang
- Key Laboratory of Arrhythmias of the Ministry of Education of China, Research Center for Translational Medicine (J.L., T.Z., X.C., Z.Y., L.Z., Z.L., Y.Z.), Tongji University School of Medicine, China
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Effect of Aqueous Extract from Descurainia sophia (L.) Webb ex Prantl on Ventricular Remodeling in Chronic Heart Failure Rats. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:1904081. [PMID: 30008784 PMCID: PMC6020489 DOI: 10.1155/2018/1904081] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 04/07/2018] [Accepted: 05/22/2018] [Indexed: 02/08/2023]
Abstract
Objective Descurainia sophia (L.) Webb ex Prantl (DS) is a traditional Chinese medicine. Our current study was to evaluate the effect of DS on ventricular remodeling in chronic heart failure (HF) rats and its underlying mechanism. Methods The rat chronic heart failure model induced by suprarenal abdominal aortic coarctation surgery. The survival rats were randomly divided into 3 groups: the sham group (n=6), the HF group (n=6), and the HF+DS group (n=6). After 3 months of drug intervention, we examined the effects of DS by Sirius Red staining, electron microscopy, echocardiography, hemodynamic measurement, and TUNEL and explored the underlying mechanism by Western blotting. Results We found that rats treated with DS showed improved cardiac function and less tissue damage compared to untreated group. Additionally, DS could reduce the cardiomyocytes apoptosis, decrease the ratio of Bax/bcl-2 and Caspase-3 expression, and enhance the phosphorylation of Akt protein expression. Conclusion Our study suggested that rats treated with DS after suprarenal abdominal aortic coarctation surgery showed attenuated cardiac fibrosis and apoptosis, and the protective effect may be correlated with the activation of PI3k/Akt/mTOR dependent manner.
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Sustained Cardiac Recovery Hinges on Timing and Natural History of Underlying Condition. Am J Med Sci 2018; 356:47-55. [DOI: 10.1016/j.amjms.2018.02.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 11/14/2017] [Accepted: 02/21/2018] [Indexed: 01/12/2023]
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LaMonte MJ. Physical Activity and Heart Failure: Taking Steps to Control a Major Public Health Burden. Am J Lifestyle Med 2018; 14:555-570. [PMID: 33110401 DOI: 10.1177/1559827618769609] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 03/16/2018] [Accepted: 03/19/2018] [Indexed: 12/24/2022] Open
Abstract
Heart failure (HF) is a complex clinical syndrome that is increasingly prevalent among US adults and accounts for substantial burden of healthcare costs and morbidity. HF is commonly associated with prior myocardial infarction as well as prolonged exposure to hypertension, diabetes, and coronary atherosclerosis. Exercise training is becoming established in the management of HF because of its beneficial effect on both central (cardiac) and peripheral (skeletal muscle) HF mechanisms. The role of habitual physical activity in the primary prevention of HF is less clear. Recent prospective observational studies suggest there is lower risk of developing HF in adults who are more physically activity and have higher cardiorespiratory fitness compared with their less active and fit peers. This article reviews the published evidence on physical activity and HF prevention, discusses potential mechanisms for this benefit, and suggests areas where further research is needed to establish recommendations on the type, amount, and intensity of physical activity required to prevent occurrence of HF.
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Affiliation(s)
- Michael J LaMonte
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo-SUNY, Buffalo, New York
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Jørgensen ME, Andersson C, Vasan RS, Køber L, Abdulla J. Characteristics and prognosis of heart failure with improved compared with persistently reduced ejection fraction: A systematic review and meta-analyses. Eur J Prev Cardiol 2018; 25:366-376. [PMID: 29313369 DOI: 10.1177/2047487317750437] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Aims We assessed the clinical characteristics and prognosis of chronic heart failure patients with improved ejection fraction (HFIEF) compared with persistently reduced ejection fraction (HFpREF) after evidence-based therapy. Methods and results We performed a meta-analysis including 24 eligible observational studies comparing 2663 HFIEF (≥5% left ventricular ejection fraction (LVEF) improvement) versus 8355 HFpREF patients who received recommended drug therapy, cardiac resynchronization therapy and/or intracardiac defibrillator. LVEF was assessed at baseline and reassessed after 19 ± 19 months. The primary endpoints were all-cause mortality and appropriate shocks. The mean duration of follow-up was 39 ± 12 months. Among HFIEF patients, LVEF improved 16.3 percentage points (95% confidence interval 15.9-16.6, p < 0.0001). Compared with HFpREF patients, HFIEF patients had a comparable mean age (60.9 years vs. 62.4 years, p = 0.11), were more often women (33% vs. 25%), had a higher prevalence of non-ischaemic heart failure (58% vs. 53%), less diabetes (27% vs. 28%), higher systolic blood pressure (127.5 ± 9 vs. 122 ± 12 mmHg) and lower left ventricle end-diastolic diameter (64.1 ± 3.7 vs. 67.4 ± 4.9 mmHg), all p-values < 0.05. Absolute risk of all-cause mortality was lower in HFIEF (5.8%) compared with HFpREF (17.5%) with a risk ratio of 0.34 (95% confidence interval 0.28-0.41), p < 0.001. Risk of appropriate shocks was significantly lower in HFIEF versus HFpREF (risk ratio 0.58 (95% confidence interval 0.46-0.74), p < 0.001). Conclusion In heart failure patients, we identified several baseline characteristics in favour of an improved LVEF, in response to evidence based therapy. Patients with improved LVEF had significantly lower risks of mortality and appropriate shocks compared with patients with persistently reduced LVEF.
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Affiliation(s)
- Mads E Jørgensen
- 1 Division of Cardiology, Department of Medicine, Glostrup University Hospital, Copenhagen, Denmark.,2 The Cardiovascular Research Centre, Herlev-Gentofte University Hospital, Copenhagen, Denmark
| | - Charlotte Andersson
- 1 Division of Cardiology, Department of Medicine, Glostrup University Hospital, Copenhagen, Denmark.,2 The Cardiovascular Research Centre, Herlev-Gentofte University Hospital, Copenhagen, Denmark
| | - Ramachandran S Vasan
- 3 Sections of Preventive Medicine and Epidemiology, and Departments of Cardiology and Epidemiology, Boston University Schools of Medicine and Public Health, Boston, USA
| | - Lars Køber
- 4 Department of Cardiology, The Heart Centre, Rigshospitalet, University of Copenhagen, Denmark
| | - Jawdat Abdulla
- 1 Division of Cardiology, Department of Medicine, Glostrup University Hospital, Copenhagen, Denmark
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Le Jemtel TH, Samson R, Jaiswal A, Lewine EB, Oparil S. Regression of Left Ventricular Mass After Bariatric Surgery. Curr Hypertens Rep 2017; 19:68. [DOI: 10.1007/s11906-017-0767-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Teerlink JR, Metra M, Filippatos GS, Davison BA, Bartunek J, Terzic A, Gersh BJ, Povsic TJ, Henry TD, Alexandre B, Homsy C, Edwards C, Seron A, Wijns W, Cotter G. Benefit of cardiopoietic mesenchymal stem cell therapy on left ventricular remodelling: results from the Congestive Heart Failure Cardiopoietic Regenerative Therapy (CHART-1) study. Eur J Heart Fail 2017; 19:1520-1529. [PMID: 28560782 DOI: 10.1002/ejhf.898] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Revised: 04/26/2017] [Accepted: 04/28/2017] [Indexed: 12/24/2022] Open
Abstract
AIMS Left ventricular (LV) reverse remodelling is an important marker of improved outcomes in patients with advanced heart failure (HF). We examined the impact of the intramyocardial administration of bone-marrow-derived, lineage-directed, autologous cardiopoietic mesenchymal stem cells (C3BS-CQR-1) on LV remodelling in patients with advanced HF enrolled in the CHART-1 study. METHODS AND RESULTS Patients (n=351) with symptomatic advanced HF secondary to ischaemic heart disease, and reduced LV ejection fraction (LVEF <35%) were randomized to receive C3BS-CQR-1 or a sham procedure. In a post hoc analysis we examined the effect of C3BS-CQR-1 on LV reverse remodelling within 1 year of the procedure and the influence of C3BS-CQR-1 dosing in the 271 patients treated as randomized. Delivery of C3BS-CQR-1 was associated with a progressive decrease in both LV end-diastolic volume (LVEDV) and end-systolic volume (LVESV) within 52 weeks after treatment. At 1 year, the LVEDV and LVESV of treated patients decreased by 17.0 mL and 12.8 mL greater than controls (P=0.006 and P=0.017, respectively). The effect on LVEDV was maintained after multivariable adjustment for baseline age, systolic blood pressure, LVEDV, LVEF and history of myocardial infarction. The largest reverse remodelling was evident in the patients receiving a moderate number of injections (<20). CONCLUSION In CHART-1, intramyocardial administration of cardiopoietic stem cells led to reverse remodelling as evidenced by significant progressive decreases in LVEDV and LVESV through the 52 weeks of follow-up. Further studies are needed to explore the dose response with regard to cell number and injected volume, and reverse remodelling.
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Affiliation(s)
- John R Teerlink
- School of Medicine, University of California San Francisco and Section of Cardiology, San Francisco Veterans Affairs Medical Center, San Francisco, CA, USA
| | - Marco Metra
- Cardiology, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University and Spedali Civili, Brescia, Italy
| | - Gerasimos S Filippatos
- National and Kapodistrian University of Athens, School of Medicine, Attikon University Hospital, Athens, Greece
| | | | | | - Andre Terzic
- Department of Cardiovascular Diseases, Mayo Clinic, Center for Regenerative Medicine, Rochester, MN, USA
| | - Bernard J Gersh
- Department of Cardiovascular Diseases, Mayo Clinic, Center for Regenerative Medicine, Rochester, MN, USA
| | - Thomas J Povsic
- Duke Clinical Research Institute and Duke Medicine, Durham, NC, USA
| | | | | | | | | | | | - William Wijns
- Cardiovascular Centre, OLV Hospital, Aalst, Belgium.,The Lambe Institute for Translational Medicine and Curam, National University of Ireland Galway and Saolta University Healthcare Group, Galway, Ireland
| | - Gad Cotter
- Momentum Research, Inc., Durham, NC, USA
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