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For: Sree Raman K, Shah R, Stokes M, Walls A, Woodman RJ, Ananthakrishna R, Walker JG, Proudman S, Steele PM, De Pasquale CG, Celermajer DS, Selvanayagam JB. Left ventricular ischemia in pre-capillary pulmonary hypertension: a cardiovascular magnetic resonance study. Cardiovasc Diagn Ther 2020;10:1280-1292. [PMID: 33224752 DOI: 10.21037/cdt-20-698] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]

For:	Sree Raman K, Shah R, Stokes M, Walls A, Woodman RJ, Ananthakrishna R, Walker JG, Proudman S, Steele PM, De Pasquale CG, Celermajer DS, Selvanayagam JB. Left ventricular ischemia in pre-capillary pulmonary hypertension: a cardiovascular magnetic resonance study. Cardiovasc Diagn Ther 2020;10:1280-1292. [PMID: 33224752 DOI: 10.21037/cdt-20-698] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]

Number

Cited by Other Article(s)

Luo Y, Qi X, Zhang Z, Zhang J, Li B, Shu T, Li X, Hu H, Li J, Tang Q, Zhou Y, Wang M, Fan T, Guo W, Liu Y, Zhang J, Pang J, Yang P, Gao R, Chen W, Yan C, Xing Y, Du W, Wang J, Wang C. Inactivation of Malic Enzyme 1 in Endothelial Cells Alleviates Pulmonary Hypertension. Circulation 2024;149:1354-1371. [PMID: 38314588 DOI: 10.1161/circulationaha.123.067579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Accepted: 01/10/2024] [Indexed: 02/06/2024]

Abstract

BACKGROUND

Pulmonary hypertension (PH) is a progressive cardiopulmonary disease with a high mortality rate. Although growing evidence has revealed the importance of dysregulated energetic metabolism in the pathogenesis of PH, the underlying cellular and molecular mechanisms are not fully understood. In this study, we focused on ME1 (malic enzyme 1), a key enzyme linking glycolysis to the tricarboxylic acid cycle. We aimed to determine the role and mechanistic action of ME1 in PH.

METHODS

Global and endothelial-specific ME1 knockout mice were used to investigate the role of ME1 in hypoxia- and SU5416/hypoxia (SuHx)-induced PH. Small hairpin RNA and ME1 enzymatic inhibitor (ME1*) were used to study the mechanism of ME1 in pulmonary artery endothelial cells. Downstream key metabolic pathways and mediators of ME1 were identified by metabolomics analysis in vivo and ME1-mediated energetic alterations were examined by Seahorse metabolic analysis in vitro. The pharmacological effect of ME1* on PH treatment was evaluated in PH animal models induced by SuHx.

RESULTS

We found that ME1 protein level and enzymatic activity were highly elevated in lung tissues of patients and mice with PH, primarily in vascular endothelial cells. Global knockout of ME1 protected mice from developing hypoxia- or SuHx-induced PH. Endothelial-specific ME1 deletion similarly attenuated pulmonary vascular remodeling and PH development in mice, suggesting a critical role of endothelial ME1 in PH. Mechanistic studies revealed that ME1 inhibition promoted downstream adenosine production and activated A2AR-mediated adenosine signaling, which leads to an increase in nitric oxide generation and a decrease in proinflammatory molecule expression in endothelial cells. ME1 inhibition activated adenosine production in an ATP-dependent manner through regulating malate-aspartate NADH (nicotinamide adenine dinucleotide plus hydrogen) shuttle and thereby balancing oxidative phosphorylation and glycolysis. Pharmacological inactivation of ME1 attenuated the progression of PH in both preventive and therapeutic settings by promoting adenosine production in vivo.

CONCLUSIONS

Our findings indicate that ME1 upregulation in endothelial cells plays a causative role in PH development by negatively regulating adenosine production and subsequently dysregulating endothelial functions. Our findings also suggest that ME1 may represent as a novel pharmacological target for upregulating protective adenosine signaling in PH therapy.

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Affiliation(s)

Ya Luo State Key Laboratory of Respiratory Health and Multimorbidity (Y.L., X.Q., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., J.P., P.Y., Y.X., J.W., C.W.) Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.) Department of Pulmonary and Critical Care Medicine, Xinqiao Hospital, Third Military Medical University, Chongqing, China (Y.L.)
Xianmei Qi State Key Laboratory of Respiratory Health and Multimorbidity (Y.L., X.Q., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., J.P., P.Y., Y.X., J.W., C.W.) Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.)
Zhenxi Zhang State Key Laboratory of Common Mechanism Research for Major Diseases (Z.Z., W.D.) Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.)
Jiawei Zhang State Key Laboratory of Respiratory Health and Multimorbidity (Y.L., X.Q., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., J.P., P.Y., Y.X., J.W., C.W.) Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.)
Bolun Li State Key Laboratory of Respiratory Health and Multimorbidity (Y.L., X.Q., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., J.P., P.Y., Y.X., J.W., C.W.) Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.)
Ting Shu State Key Laboratory of Respiratory Health and Multimorbidity (Y.L., X.Q., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., J.P., P.Y., Y.X., J.W., C.W.) Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.)
Xiaona Li State Key Laboratory of Respiratory Health and Multimorbidity (Y.L., X.Q., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., J.P., P.Y., Y.X., J.W., C.W.) Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.)
Huiyuan Hu State Key Laboratory of Respiratory Health and Multimorbidity (Y.L., X.Q., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., J.P., P.Y., Y.X., J.W., C.W.) Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.)
Jinqiu Li State Key Laboratory of Respiratory Health and Multimorbidity (Y.L., X.Q., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., J.P., P.Y., Y.X., J.W., C.W.) Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.)
Qihao Tang State Key Laboratory of Respiratory Health and Multimorbidity (Y.L., X.Q., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., J.P., P.Y., Y.X., J.W., C.W.) Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.)
Yitian Zhou State Key Laboratory of Respiratory Health and Multimorbidity (Y.L., X.Q., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., J.P., P.Y., Y.X., J.W., C.W.) Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.)
Mingyao Wang Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing, China (M.W., C.W.)
Tianfei Fan Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.)
Wenjun Guo Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.)
Ying Liu Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.)
Jin Zhang Department of Thoracic Surgery, China-Japan Friendship Hospital, Beijing, China (J.Z.)
Junling Pang State Key Laboratory of Respiratory Health and Multimorbidity (Y.L., X.Q., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., J.P., P.Y., Y.X., J.W., C.W.) Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.)
Peiran Yang State Key Laboratory of Respiratory Health and Multimorbidity (Y.L., X.Q., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., J.P., P.Y., Y.X., J.W., C.W.) Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.)
Ran Gao Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.)
Wenhui Chen Department of Lung Transplantation, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, China-Japan Friendship Hospital, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Beijing, China (W.C.)
Chen Yan Aab Cardiovascular Research Institute, Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY (C.Y.)
Yanjiang Xing State Key Laboratory of Respiratory Health and Multimorbidity (Y.L., X.Q., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., J.P., P.Y., Y.X., J.W., C.W.) Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.)
Wenjing Du State Key Laboratory of Common Mechanism Research for Major Diseases (Z.Z., W.D.) Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.)
Jing Wang State Key Laboratory of Respiratory Health and Multimorbidity (Y.L., X.Q., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., J.P., P.Y., Y.X., J.W., C.W.) Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.)
Chen Wang State Key Laboratory of Respiratory Health and Multimorbidity (Y.L., X.Q., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., J.P., P.Y., Y.X., J.W., C.W.) Haihe Laboratory of Cell Ecosystem, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China (Y.L., X.Q., Z.Z., J.Z., B.L., T.S., X.L., H.H., J.L., Q.T., Y.Z., T.F., W.G., Y.L., J.P., P.Y., R.G., Y.X., W.D., J.W., C.W.) Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing, China (M.W., C.W.) Chinese Academy of Engineering, Beijing, China (C.W.)

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Weberling LD, Friedrich MG. [Oxygenation-sensitive cardiac magnetic resonance imaging]. RADIOLOGIE (HEIDELBERG, GERMANY) 2022;62:971-976. [PMID: 35904573 DOI: 10.1007/s00117-022-01049-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/05/2022] [Indexed: 06/15/2023]

Feuer DS, Handberg EM, Mehrad B, Wei J, Bairey Merz CN, Pepine CJ, Keeley EC. Microvascular Dysfunction as a Systemic Disease: A Review of the Evidence. Am J Med 2022;135:1059-1068. [PMID: 35472396 PMCID: PMC9427712 DOI: 10.1016/j.amjmed.2022.04.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Accepted: 04/03/2022] [Indexed: 12/11/2022]

Hillier E, Friedrich MG. The Potential of Oxygenation-Sensitive CMR in Heart Failure. Curr Heart Fail Rep 2021;18:304-314. [PMID: 34378154 DOI: 10.1007/s11897-021-00525-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/05/2021] [Indexed: 12/24/2022]

Erratum to left ventricular ischemia in pre-capillary pulmonary hypertension: a cardiovascular magnetic resonance study. Cardiovasc Diagn Ther 2021;11:341. [PMID: 33708506 DOI: 10.21037/cdt-21-64] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]