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Liang YD, Xu YW, Li WH, Wan K, Sun JY, Lin JY, Zhang Q, Zhou XY, Chen YC. Left ventricular function recovery in peripartum cardiomyopathy: a cardiovascular magnetic resonance study by myocardial T1 and T2 mapping. J Cardiovasc Magn Reson 2020; 22:2. [PMID: 31902370 PMCID: PMC6943890 DOI: 10.1186/s12968-019-0590-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 12/05/2019] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Peripartum cardiomyopathy (PPCM) is rare and potentially life-threatening; its etiology remains unclear. Imaging characteristics on cardiovascular magnetic resonance (CMR) and their prognostic significance have rarely been studied. We sought to determine CMR's prognostic value in PPCM by using T1 and T2 mapping techniques. METHODS Data from 21 PPCM patients from our CMR registry database were analyzed. The control group comprised 20 healthy age-matched females. All subjects underwent comprehensive contrast-enhanced CMR. T1 and T2 mapping using modified Look-Locker inversion recovery and T2 prep balanced steady-state free precession sequences, respectively. Ventricular size and function, late gadolinium enhancement (LGE), myocardial T1 value, extracellular volume (ECV), and T2 value were analyzed. Transthoracic echocardiography was performed at baseline and during follow-up. The recovered left ventricular ejection fraction (LVEF) was defined as LVEF ≥50% on echocardiography follow-up after at least 6 months of the diagnosis. RESULTS CMR imaging showed that the PPCM patients had severely impaired LVEF and right ventricular ejection fraction (LVEF: 26.8 ± 10.6%; RVEF: 33.9 ± 14.6%). LGE was seen in eight (38.1%) cases. PPCM patients had significantly higher native T1 and ECV (1345 ± 79 vs. 1212 ± 32 ms, P < 0.001; 33.9 ± 5.2% vs. 27.1 ± 3.1%, P < 0.001; respectively) and higher myocardial T2 value (42.3 ± 3.7 vs. 36.8 ± 2.3 ms, P < 0.001) than did the normal controls. After a median 2.5-year follow-up (range: 8 months-5 years), six patients required readmission for heart failure, two died, and 10 showed left ventricular function recovery. The LVEF-recovered group showed significantly lower ECV (30.7 ± 2.1% vs. 36.8 ± 5.6%, P = 0.005) and T2 (40.6 ± 3.0 vs. 43.9 ± 3.7 ms, P = 0.040) than the unrecovered group. Multivariable logistic regression analysis showed ECV (OR = 0.58 for per 1% increase, P = 0.032) was independently associated with left ventricular recovery in PPCM. CONCLUSIONS Compared to normal controls, PPCM patients showed significantly higher native T1, ECV, and T2. Native T1, ECV, and T2 were associated with LVEF recovery in PPCM. Furthermore, ECV could independently predict left ventricular function recovery in PPCM.
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Affiliation(s)
- Yao-Dan Liang
- Department of Cardiology, West China Hospital, Sichuan University, No.37, Guo Xue Xiang, Chengdu, Sichuan 610041 People’s Republic of China
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, Beijing, China
- Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yuan-Wei Xu
- Department of Cardiology, West China Hospital, Sichuan University, No.37, Guo Xue Xiang, Chengdu, Sichuan 610041 People’s Republic of China
| | - Wei-Hao Li
- Department of Cardiology, West China Hospital, Sichuan University, No.37, Guo Xue Xiang, Chengdu, Sichuan 610041 People’s Republic of China
| | - Ke Wan
- Department of Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan China
| | - Jia-Yu Sun
- Department of Radiology, West China Hospital, Sichuan University, Chengdu, Sichuan China
| | - Jia-Yi Lin
- Department of Cardiology, West China Hospital, Sichuan University, No.37, Guo Xue Xiang, Chengdu, Sichuan 610041 People’s Republic of China
| | - Qing Zhang
- Department of Cardiology, West China Hospital, Sichuan University, No.37, Guo Xue Xiang, Chengdu, Sichuan 610041 People’s Republic of China
| | - Xiao-Yue Zhou
- MR Collaboration, Siemens Healthineers Ltd., Shanghai, China
| | - Yu-Cheng Chen
- Department of Cardiology, West China Hospital, Sichuan University, No.37, Guo Xue Xiang, Chengdu, Sichuan 610041 People’s Republic of China
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Liu Y, Huang X, Liu Y, Li D, Zhang J, Yang L. Application value of hypersensitive C-reactive protein, lactic acid and myoglobin in the combined detection of myocarditis. Exp Ther Med 2019; 17:4471-4476. [PMID: 31105785 PMCID: PMC6507525 DOI: 10.3892/etm.2019.7520] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Accepted: 04/12/2019] [Indexed: 12/13/2022] Open
Abstract
Application value of hypersensitive C-reactive protein (hs-CRP), blood lactic acid (LAC) and myoglobin (Mb) in the combined detection of myocarditis was explored. A total of 107 patients with suspected myocarditis treated in The Second Nanning People's Hospital from January 2015 to December 2017 were retrospectively analyzed, of whom 81 patients diagnosed with myocarditis were enrolled into the research group, and 26 non-myocarditis individuals were enrolled into the control group. Fasting venous blood was drawn from all patients to detect the hs-CRP, LAC and Mb, and their levels were compared and analyzed between the two groups. Moreover, the coincidence rate, sensitivity and specificity of single detection and combined detection by hs-CRP, LAC and Mb in the diagnosis of myocarditis were compared and analyzed. There were no significant differences in the sex, age, smoking status, alcohol consumption, chest distress, palpitation, angina and dyspnea between the two groups (P>0.05), proving that patients in both groups were comparable. The levels of hs-CRP, LAC and Mb in the research group were significantly higher than those in the control group, displaying statistically significant differences (P<0.05). According to the receiver operating characteristic (ROC) curve, the area under the curve (AUC), coincidence rate, sensitivity and specificity in the diagnosis of myocarditis, respectively, were 0.610 (95% CI: 0.495–0.725), 58.88, 51.85 and 80.77% for hs-CRP, 0.657 (95% CI: 0.551–0.763), 58.88, 54.32 and 73.08% for LAC, 0.747 (95% CI: 0.651–0.843), 69.16, 64.20 and 84.62% for Mb, and 0.773 (95% CI: 0.680–0.867), 76.64, 79.01 and 69.23% for combined detection. Hs-CRP, LAC and Mb are highly expressed in the serum of patients with myocarditis, and their combined detection has guiding significance for the prevention and treatment of myocarditis.
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Affiliation(s)
- Yang Liu
- Department of Cardiology, The Second Nanning People's Hospital, Nanning, Guangxi Zhuang Autonomous Region 530031, P.R. China
| | - Xuecheng Huang
- Department of Cardiology, The Second Nanning People's Hospital, Nanning, Guangxi Zhuang Autonomous Region 530031, P.R. China
| | - Yuanhang Liu
- Nursing College, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530031, P.R. China
| | - Dongyang Li
- Nursing College, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530031, P.R. China
| | - Jingchang Zhang
- Department of Cardiology, The Second Nanning People's Hospital, Nanning, Guangxi Zhuang Autonomous Region 530031, P.R. China
| | - Lihui Yang
- Nursing College, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530031, P.R. China
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Zhao J, Lv T, Quan J, Zhao W, Song J, Li Z, Lei H, Huang W, Ran L. Identification of target genes in cardiomyopathy with fibrosis and cardiac remodeling. J Biomed Sci 2018; 25:63. [PMID: 30115125 PMCID: PMC6094872 DOI: 10.1186/s12929-018-0459-8] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 07/06/2018] [Indexed: 02/07/2023] Open
Abstract
Background Identify genes probably associated with chronic heart failure and predict potential target genes for dilated cardiomyopathy using bioinformatics analyses. Methods Gene expression profiles (series number GSE3585 and GSE42955) of cardiomyopathy patients and healthy controls were downloaded from the Expression Omnibus Gene (GEO) database. Differential expression of genes (DEGS) between the two groups of total 14 cardiomyopathy patients and 10 healthy controls were subsequently identified by limma package of R. Database for Annotation, Visualization, and Integrated Discovery (DAVID Tool), which is an analysis of enriched biological processes. Search Tool for the Retrieval Interacting Genes (STRING) was used as well for the analysis of protein-protein interaction network (PPI). Prediction of the potential drugs was suggested based on the preliminarily identified genes using Connectivity Map (CMap). Results Eighty-nine DEGs were identified (57 up-regulated and 32 down-regulated). The most enrichment Gene Ontology (GO) terms (P < 0.05) contain genes involved in extracellular matrix (ECM) and biological adhesion signal pathways (P < 0.05, ES > 1.5) such as ECM-receptors, focal adhesion and transforming growth factor beta (TGF-β), etc. Fifty-one differentially expressed genes were found to encode interacting proteins. Eleven key genes along with related transcription factors were identified including CTGF, POSTN, CORIN, FIGF, etc. Conclusion Bioinformatics-based analyses reveal the targeted genes probably associated with cardiomyopathy, which provide clues for pharmacological therapies aiming at the targets.
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Affiliation(s)
- Jianquan Zhao
- Department of Cardiology, Bayannaoer City Hospital, 35 Xinhua District, Bayannaoer, 015000, Inner Mongolia, China.
| | - Tiewei Lv
- Department of Cardiology, Children's hospital, Chongqing Medical University, Chongqing, China
| | - Junjun Quan
- Department of Cardiology, Children's hospital, Chongqing Medical University, Chongqing, China
| | - Weian Zhao
- Department of Cardiology, Children's hospital, Chongqing Medical University, Chongqing, China
| | - Jing Song
- Department of Bioinformatics, Chongqing Medical University, 1 Yixueyuan Road, Yuzhong District, Chongqing, 400016, China
| | - Zhuolin Li
- Department of Vascular Cardiology, the First Affiliated Hospital of Chongqing, Medical University, Chongqing, China
| | - Han Lei
- Department of Vascular Cardiology, the First Affiliated Hospital of Chongqing, Medical University, Chongqing, China
| | - Wei Huang
- Department of Vascular Cardiology, the First Affiliated Hospital of Chongqing, Medical University, Chongqing, China
| | - Longke Ran
- Department of Bioinformatics, Chongqing Medical University, 1 Yixueyuan Road, Yuzhong District, Chongqing, 400016, China.
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Classical swine fever virus NS5A protein changed inflammatory cytokine secretion in porcine alveolar macrophages by inhibiting the NF-κB signaling pathway. Virol J 2016; 13:101. [PMID: 27296632 PMCID: PMC4907015 DOI: 10.1186/s12985-016-0545-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2016] [Accepted: 05/24/2016] [Indexed: 01/15/2023] Open
Abstract
Background Classical swine fever (CSF) caused by CSF virus (CSFV) is a highly contagious disease of the pigs. A number of studies have suggested that CSFV non-structural (NS) 5A protein is involved in CSFV-associated pathogenesis, but its mechanism is still uncertain. The aim of this study was to investigate the roles of NS5A protein in CSFV-associated pathogenesis in cultured porcine alveolar macrophages (PAMs). Methods After PAMs cultured in vitro were transfected with CSFV NS5A, the alterations in IL-1β, IL-6 and TNF-α expression were determined by ELISA, the RIG-I signaling activity related to inflammatory cytokine secretion was investigated by Western blot and Immunofluorescent staining. Results It was suggested that, the stable expressed CSFV NS5A solely had no influence on the expressions of inflammatory cytokines IL-1β, IL-6 and TNF-α in PAMs Moreover, NS5A protein could suppressed IL-1β, IL-6 and TNF-α expression induced by poly(I:C). It was also showed that NS5A protein did not impair the expressions of RIG-I, MDA5, IPS-1, NF-κB and IkBα in cells without poly(I:C) stimulation. Protein expressions of RIG-I, MDA5, IPS-1, NF-κB were not disrupted by NS5A protein in poly(I:C)-stimulated cells, while poly(I:C)-induced NF-κB nuclear translocation and activity was obviously suppressed by this protein. A suppression in poly(I:C)-induced IkBα degradation in NS5A-expressing cells was also observed. Conclusion These data indicated that CSFV NS5A protein could inhibit the secretion of inflammatory cytokine induced by poly(I:C) through the suppression of the NF-κB signaling pathway, indicating the participation of CSFV NS5A protein in the pathogenesis of CSFV.
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