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The ACE2 expression in human heart indicates new potential mechanism of heart injury among patients infected with SARS-CoV-2
Open accessAbstract
A new type of pneumonia caused by a novel coronavirus SARS-CoV-2 outbreaks recently in China and spreads into many other countries. This disease, named as COVID-19, is similar to patients infected by SARS-CoV and MERS-CoV, and nearly 20% of patients developed severe condition. Cardiac injury is a prevalent complication of severe patients, exacerbating the disease severity in coronavirus disease 2019 (COVID-19) patients. Angiotensin-converting enzyme 2 (ACE2), the key host cellular receptor of SARS-CoV-2, has been identified in multiple organs, but its cellular distribution in human heart is not illuminated clearly. This study performed the first state-of-art single cell atlas of adult human heart, and revealed that pericytes with high expression of ACE2 might act as the target cardiac cell of SARS-CoV-2. The pericytes injury due to virus infection may result in capillary endothelial cells dysfunction, inducing microvascular dysfunction. And patients with basic heart failure disease showed increased ACE2 expression at both mRNA and protein levels, meaning that if infected by the virus these patients may have higher risk of heart attack and critically ill condition. The finding of this study explains the high rate of severe cases among COVID-19 patients with basic cardiovascular disease; and these results also perhaps provide important reference to clinical treatment of cardiac injury among severe patients infected by SARS-CoV-2.
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“ACE2, TMPRSS2, NRP1, integrins, and cathepsins are also expressed on mast cells (Figure 1), 28,29”
From COVID-19, Myocarditis and Pericarditis (2023) · cites this paper as [29]
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“Myocarditis is due to a combination of direct viral infection [72] and inflammatory cell infiltration [73] that leads to cardiac failure and sudden death [68,74].”
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Li, S., Sun, J., Li, H., Han, Z., Wang, T., Gao, S., Zhu, P., Chen, Y., Yan, P., Wang, M., et al. (2025) · Molecular Psychiatry · doi:10.1038/s41380-025-03006-z · Cited by 6
“Chen and colleagues reported that patients with basic heart failure disease had signi fi cantly increased ACE2 expression at both mRNA and protein levels [78].”
COVID-19 and Myocarditis: Trends, Clinical Characteristics, and Future Directions
Abumayyaleh, M., Schupp, T., Behnes, M., El‐Battrawy, I., Hamdani, N., & Akın, İ. (2025) · Journal of Clinical Medicine · doi:10.3390/jcm14134560 · Cited by 8
“These proteins may act as antigen-presenting cells (APCs), activating other immune cells, including dendritic cells and macrophages, and initiating specific T-helper cell responses [8,51–53].”
The impact of diabetes and obesity on the severity and mortality of SARS-CoV-2 infection
Klaudel, T., Pelczarski, M., Zaborska, M., Sadowski, J., Ostrowska, S. A., Drzymała, A., & Bułdak, R. J. (2025) · Journal of Diabetes & Metabolic Disorders · doi:10.1007/s40200-025-01706-5 · Cited by 6
“The pathogenesis of this process is particularly associated with the participation of mast cells in the inflammatory [108].”
Pathomorphological and Molecular Biological Aspects of Blood Vessel Injury in COVID-19
Есауленко, И. Э., Nikityuk, D. B., Alexeeva, N. Т., Shevchenko, A. A., Соколов, Д. А., Клочкова, С. В., Kvaratskheliya, A. G., Filin, A. A., & Tutelyan, V. A. (2021) · Journal of Anatomy and Histopathology · doi:10.18499/2225-7357-2020-9-4-9-18 · Cited by 7
“личество в сердце находится в перицитах, что делает миокард уязвимым для SARS-CoV-2 [15].”
COVID-19 and features of cardiovascular involvement
Tsyganova, E. V., Glukhoedova, N. V., Сергеевна, Ж. А., Fedoseeva, T. I., Yushchuk, E. N., & Сергеевна, С. Н. (2021) · Terapevticheskii arkhiv · doi:10.26442/00403660.2021.09.201036 · Cited by 6
“Оба рецептора экспрессируются также в миокарде, причем при наличии патологии сердца плотность АПФ-2 выше в сравнении с интактным миокардом [15, 16].”
Lu, Y., Huo, H., Feng, L., Xue, J., Fang, L., Miao, Y., Shen, L., & He, B. (2023) · Biomedicines · doi:10.3390/biomedicines11112896 · Cited by 6
COVID myocarditis: a review of the literature
Cersosimo, A., Pasquale, M. D., Arabia, G., Metra, M., & Vizzardi, E. (2023) · Monaldi Archives for Chest Disease · doi:10.4081/monaldi.2023.2784 · Cited by 7
Risk Impact of SARS-CoV-2 Coronavirus and Spike Protein on Cardiac Tissue: A Comprehensive Review
Šerý, O., & Dziedzinská, R. (2024) · Physiological Research · doi:10.33549/physiolres.935476 · Cited by 6
Cormican, D. S., Winter, D., McHugh, S. M., Sonny, A., Crowley, J., Yu, R., Barrack, F., Nuñez-Gil, I. J., & Ramakrishna, H. (2020) · Journal of Cardiothoracic and Vascular Anesthesia · doi:10.1053/j.jvca.2020.05.035 · Cited by 7
Cardiovascular Considerations in Coronavirus Disease 2019 with a Special Focus on Arrhythmia
Hu, T. Y., Lee, J., & Asirvatham, S. J. (2020) · Journal of Innovations in Cardiac Rhythm Management · doi:10.19102/icrm.2020.110804 · Cited by 6
Bansal, M., & Walia, M. K. (2020) · International Journal of Applied Pharmaceutics · doi:10.22159/ijap.2020v12i5.38411 · Cited by 6
Research Progress on the Cardiac Injury from ACE2 Targeting in SARS-CoV-2 Infection
Sun, H., Su, X., Huang, L., Mu, D., & Qu, Y. (2021) · Biomolecules · doi:10.3390/biom11020196 · Cited by 6
“Within the heart, cardiomyocytes, endothelial, and pericytes all express ACE2 [44].”
BackgroundBhandari, B., Neupane, S., Khanal, R., Lnu, K., Wert, Y., & Komanduri, S. (2021) · Journal of Community Hospital Internal Medicine Perspectives · doi:10.1080/20009666.2021.1896429 · Cited by 6
“Other possible mechanisms may include high levels of expression of angiotensin-converting enzyme 2 (ACE2) in cardiac cells which is thought to allow the SARS-CoV-2 virus to invade host cardiac cells [14,15] which is speculated to worsen cardiac injury in patients with pre-existing cardiac symptoms.”
BackgroundProtocol-based cardiotoxicity monitoring in hydroxychloroquine medicated COVID-19 pediatric patients
Hormigo, I., Silva, T. M., Laranjo, S. M., Trigo, C., Garcia, A. M., Gouveia, C., & Brito, M. J. (2021) · Revista Portuguesa de Cardiologia · doi:10.1016/j.repc.2021.01.018 · Cited by 6
“It has been hypothesized that one of the contributions to COVID-19-associated myocardial damage and inflammation is the interaction between SARS-CoV-2 and ACE2, expressed in respiratory tract, heart and endothelial cells.(9) The direct tissue infection can lead to cellular inflammation.”
BackgroundXiong, Y., Delić, D., Zeng, S., Chen, X., Chu, C., Hasan, A. A., Krämer, B. K., Klein, T., Yin, L., & Hocher, B. (2022) · BMC Nephrology · doi:10.1186/s12882-022-02747-1 · Cited by 6
Zhang, Z., Mao, Z.-J., Ruan, Y., & Zhang, X. (2022) · Mathematical Biosciences & Engineering · doi:10.3934/mbe.2022270 · Cited by 6
Xu, Y., Ma, Q., Ren, J., Chen, L., Guo, W., Feng, K., Zeng, Z., Huang, T., & Cai, Y. (2023) · Life · doi:10.3390/life13041011 · Cited by 6
“Three potential pathogenic mechanisms are widely recognized: (a) SARS-CoV-2 directly damages cardiomyocytes through ACE2 receptors expressed in the heart [18], (b) COVID-19-induced cytokine storm leads to cardiomyocyte hypoxia and apoptosis [19,20], and (c) COVID-19 causes interferon-mediated systemic inflammation tha…”
BackgroundSelf-citationSpontaneous spinal epidural haematoma following COVID-19 vaccination: a case report
Rezvani, M., Saboori, M., Aminmansour, B., Fallahpour, S., Sourani, A., Sharafi, M., Mahdavi, S. B., Foroughi, M., Khah, R. N., Sourani, A., et al. (2023) · Annals of Medicine and Surgery · doi:10.1097/ms9.0000000000001604 · Cited by 6
“The endothelium is rich in ACE-2 receptors and SARS-CoV-2 can adhere and enter the endothelial bed in the nervous system causing enthothelitis, BBB disruption, haemorrhagic or ischaemic events, collectively called vasculitis-like syndromes [20 – 22] .”
BackgroundAprotinin (II): Inhalational Administration for the Treatment of COVID-19 and Other Viral Conditions
Padín, J. F., Pérez‐Ortiz, J. M., & Calvo, F. J. R. (2024) · International Journal of Molecular Sciences · doi:10.3390/ijms25137209 · Cited by 7
“First, endothelial damage occurs as SARS-CoV-2 infects endothelial cells [132] as well as vascular basement membrane pericytes [133,134], resulting in endothelial dysfunction [135].”
BackgroundCordeanu, E., Jambert, L., Séverac, F., Lambach, H., Tousch, J., Heitz, M., Mirea, C., Hamadé, A., Younes, W., Frantz, A., et al. (2020) · Journal of Clinical Medicine · doi:10.3390/jcm9113472 · Cited by 6
“Chronic heart disease individuals were previously shown to exhibit higher ACE2 expression levels, suggesting higher susceptibility to develop more severe forms of SARS-CoV-2 infection [24].”
BackgroundThe Neurobiology of Modern Viral Scourges: ZIKV and COVID-19
Mittal, S., Federman, H. G., Sievert, D., & Gleeson, J. G. (2021) · The Neuroscientist · doi:10.1177/10738584211009149 · Cited by 7
The COVID-19 Patient in the Surgical Intensive Care Unit
Monroe, I., Dale, M. A., Schwabe, M. J., Schenkel, R., & Schenarts, P. J. (2021) · Surgical Clinics of North America · doi:10.1016/j.suc.2021.09.015 · Cited by 6
“cardiac pericytes, possibly predisposing them to more severe manifestations of cardiac disease.(31,32) In addition to direct infection, COVID-19 is known to cause a systemic inflammatory”
BackgroundRecent Progress in Cardiovascular Research Involving Single-Cell Omics Approaches
Dai, Z., & Nomura, S. (2021) · Frontiers in Cardiovascular Medicine · doi:10.3389/fcvm.2021.783398 · Cited by 7
Society for Cardiovascular Magnetic Resonance 2021 cases of SCMR and COVID-19 case collection series
Johnson, J. N., Loriaux, D. B., Jenista, E. R., Kim, H. W., Baritussio, A., Gárate, E. D., Bucciarelli‐Ducci, C., Denny, V. C., O’Connor, B., Siddiqui, S., et al. (2022) · Journal of Cardiovascular Magnetic Resonance · doi:10.1186/s12968-022-00872-2 · Cited by 6
Khaitovich, A. B., & Yermachkova, P. A. (2022) · Таврический медико-биологический вестник · doi:10.29039/2070-8092-2020-23-4-113-132 · Cited by 6
Infection of the oral cavity with SARS-CoV-2 variants: Scope of salivary diagnostics
Iyer, P., Chino, T., & Ojcius, D. M. (2022) · Frontiers in Oral Health · doi:10.3389/froh.2022.1001790 · Cited by 6
“ACE2 is expressed by a variety of tissues, including pulmonary and extrapulmonary tissues (10).”
BackgroundLuchian, M., Higny, J., Benoît, M., Robaye, B., Berners, Y., Henry, J., Colle, B., Xhaët, O., Blommaert, D., Droogmans, S., et al. (2023) · Diagnostics · doi:10.3390/diagnostics13213368 · Cited by 6
“The renin angiotensin aldosterone system (RAAS) imbalance triggered by SARS-CoV-2 infection may have a fundamental role in Long-COVID-related POTS [91,95–97].”
BackgroundResultClinical Manifestation of Patients Who Died Due to COVID-19; A Retrospective Study from Qom-Iran
Hormati, A., Ghomi, S. Y. F., Sohrabi, M., Jafari, S., Jabbari, A., Aminnejad, R., Afifian, M., Rakhshankhah, E. S., & Ahmadpour, S. (2020) · Archives of Iranian Medicine · doi:10.34172/aim.2020.115 · Cited by 6
COVID-19 and the Cardiovascular System: How the First PostModern Pandemic ‘Weakened’ our Hearts
Towhid, S. T., Rakhi, N. N., Arefin, A. S., Saha, O., Mamun, S., Moniruzzaman, M., & Rahaman, M. M. (2020) · Discoveries Reports · doi:10.15190/drep.2020.9 · Cited by 6
“In addition, the ACE2 expression in the heart is higher than in the lung corroborating the ACE2 mediated damage to the cardiovascular system 26 .”
BackgroundSinclair, J. E., Zhu, Y., Xu, G., Ma, W., Shi, H., Ma, K., Cao, C.-F., Kong, L., Wan, K.-Q., Liao, J., et al. (2021) · iScience · doi:10.1016/j.isci.2021.102264 · Cited by 6
Ramandi, M. M. A., Yarmohammadi, H., Beikmohammadi, S., Fahimi, B. H. H., Hatami, F., Beydokhti, H., Bakhshandeh, H., & Naderi, N. (2021) · Journal of Cardiovascular and Thoracic Research · doi:10.34172/jcvtr.2021.29 · Cited by 6
Medical Basis for Increased Susceptibility of COVID-19 among the Navajo and other Indigenous TribesPreprint
Soto, J. D., & Hakim, S. T. (2020) · Preprints.org · doi:10.20944/preprints202004.0217.v1 · Cited by 6
“It is aggravated by evidence that the SARS-CoV-2 virus can directly damage the blood vessels feeding the heart directly perhaps causing sudden death [29].”
BackgroundWhy is COVID-19 especially impacting the African American population?
Sanchis‐Gomar, F., Lippi, G., & Lavie, C. J. (2020) · Annals of Medicine · doi:10.1080/07853890.2020.1808695 · Cited by 6
Sustained Dysregulation of the Plasma Renin-angiotensin System in Acute COVID-19Preprint
Burns, K. D., Cheng, M. P., Lee, T. A., McGeer, A., Sweet, D. D., Tran, K. C., Lee, T., Murthy, S., Boyd, J., Singer, J., et al. (2021) · Research Square · doi:10.21203/rs.3.rs-125380/v1 · Cited by 6
“increased ACE2 expression in cardiac tissue in patients with heart disease [35] and in ARB-treated animals [36]).”
BackgroundAlzheimer’s-like remodeling of neuronal ryanodine receptor in COVID-19Preprint
Reiken, S. R., Dridi, H., Sittenfeld, L. R., Liu, X., & Marks, A. R. (2021) · bioRxiv (Cold Spring Harbor Laboratory) · doi:10.1101/2021.02.18.431811 · Cited by 6
Clomipramine suppresses ACE2-mediated SARS-CoV-2 entryPreprint
Kato, Y., Yamada, S., Nishiyama, K., Satsuka, A., Re, S., Tomokiyo, D., Lee, J. M., Tanaka, T., Nishimura, A., Yonemitsu, K., et al. (2021) · bioRxiv (Cold Spring Harbor Laboratory) · doi:10.1101/2021.03.13.435221 · Cited by 6
COVID-19 Pathophysiology: Inflammation to Cardiac Injury
Fouda, S., Hammond, R., Donnelly, P., Coates, A. R. M., & Liu, A. (2024) · Hearts · doi:10.3390/hearts5040048 · Cited by 6
“Heart failure patients have high levels of ACE II expression, rendering them at a greater risk of developing COVID-19 [130,135,136].”
Li, C., Xue, J., Zhou, D., Qi, X., Chen, T., & Li, Z. (2025) · Interdisciplinary medicine · doi:10.1002/inmd.20240029 · Cited by 5
Metadata
- Authors
- Chen, L., Li, X., Chen, M., Feng, Y., & Xiong, C.
- Affiliations
- Fudan University (CN)
- Renmin University of China (CN)
- Corresponding author
- Chen, Liang
- Xiong, Chenglong
- Venue
- Cardiovascular Research
- Publisher
- Oxford University Press (OUP)
- Published
- 2020-03-30
- Volume
- 116
- Issue
- 6
- Pages
- 1097-1100
- ISSN
- 0008-6363 (ISSN-L)
- 1755-3245
- PMC
- PMC7184507
- OpenAlex
- W3014027512
- Cited by
- 1,163
- References
- 7
- Citations by year
- 2026: 19 · 2025: 32 · 2024: 64 · 2023: 148 · 2022: 210 · 2021: 332 · 2020: 355
- FWCI
- 34.28
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model (vor)
- Locations
- Cardiovascular Research (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Natural Science Foundation of China (81872673)
- National Key Research and Development Program of China (2017YFC1200203)
- Fudan University
- Topics
- Health Sciences › Medicine › Infectious Diseases › COVID-19 Clinical Research Studies
- Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 and COVID-19 Research
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Renin-Angiotensin System Studies
- Keywords
- ACE2, SARS-CoV-2, COVID-19 pandemic, cardiac injury, pericytes, microvascular dysfunction, heart failure, viral receptor expression, myocardial injury
- MeSH terms
- Betacoronavirus, Receptors, Coronavirus, Angiotensin-Converting Enzyme 2, COVID-19, SARS-CoV-2, Heart, Heart Diseases, Humans, Peptidyl-Dipeptidase A, Myocardium, Pneumonia, Viral, Receptors, Virus, Gene Expression, Coronavirus Infections, Pericytes, Gene Expression Profiling, Pandemics, Spike Glycoprotein, Coronavirus
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