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Single-Cell RNA-Seq...
Single-Cell RNA-Seq Analysis Reveals Macrophages Are Involved in the Pathogenesis of Human Sporadic Acute Type A Aortic Dissection
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- Zhang, Bin (författare)
- Sun Yat sen Univ, Peoples R China; Sun Yat sen Univ, Peoples R China
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- Zeng, Kuan (författare)
- Sun Yat sen Univ, Peoples R China; Sun Yat sen Univ, Peoples R China
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- Guan, Rui-Cong (författare)
- Sun Yat sen Univ, Peoples R China; Sun Yat sen Univ, Peoples R China
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- Jiang, Hui-Qi (författare)
- Sun Yat sen Univ, Peoples R China
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- Qiang, Yong-Jia (författare)
- Sun Yat sen Univ, Peoples R China
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- Zhang, Qing (författare)
- Sun Yat sen Univ, Peoples R China
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- Yang, Mo (författare)
- Sun Yat sen Univ, Peoples R China
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- Deng, Bao-Ping (författare)
- Southern Med Univ, Peoples R China
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- Yang, Yanqi (författare)
- Linköpings universitet,Avdelningen för diagnostik och specialistmedicin,Medicinska fakulteten,Region Östergötland, Thorax-kärlkliniken i Östergötland,Sun Yat sen Univ, Peoples R China
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(creator_code:org_t)
- 2023-02-20
- 2023
- Engelska.
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Ingår i: Biomolecules. - : MDPI. - 2218-273X. ; 13:2
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- Macrophages play an important role in the progression of sporadic acute type A aortic dissection (ATAAD). The aim of this study was to characterize the cellular heterogeneity of macrophages in ATAAD tissues by scRNA-seq. Ascending aortic wall tissue from six ATAAD patients and three heart transplant donors was assessed by scRNA-seq and then analyzed and validated by various bioinformatic algorithms and histopathology experiments. The results revealed that the proportion of macrophages in ATAAD tissues (24.51%) was significantly higher than that in normal tissues (13.69%). Among the six macrophage subclusters, pro-inflammatory macrophages accounted for 14.96% of macrophages in the AD group and 0.18% in the normal group. Chemokine- and inflammation-related genes (CCL2, CCL20, S100A8, and S100A9) were expressed more intensively in macrophages in ATAAD tissue than in those in normal tissue. Additionally, intercellular communication analysis and transcription factor analysis indicated the activation of inflammation and degradation of the extracellular matrix in ATAAD tissue. Finally, immunohistochemistry, immunofluorescence, and Western blot experiments confirmed the overexpression of macrophage marker genes (CD68 and CD163) and matrix metalloproteinases (MMP9 and MMP2) in ATAAD tissue. Collectively, our study provides a preliminary evaluation of the role of macrophages in ATAAD, and the results could aid in the development of therapeutic options in the future.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Mikrobiologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Microbiology in the medical area (hsv//eng)
Nyckelord
- single-cell RNA sequencing; acute type A aortic dissection; macrophage; inflammation; matrix metalloproteinase; MMP2; MMP9
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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