Identification of monocyte‐associated pathways participated in the pathogenesis of pulmonary arterial hypertension based on omics‐data
0301 basic medicine
ICAM‐1 signaling pathway
Diseases of the respiratory system
03 medical and health sciences
RC705-779
immune infiltration
pulmonary arterial hypertension
RC666-701
Diseases of the circulatory (Cardiovascular) system
monocytes
ITGAL‐ITGB2 signaling pathway
Research Articles
DOI:
10.1002/pul2.12319
Publication Date:
2023-12-21T07:18:05Z
AUTHORS (11)
ABSTRACT
AbstractPulmonary arterial hypertension (PAH) is one kind of chronic and uncurable diseases that can cause heart failure. Immune microenvironment plays a significant role in PAH. The aim of this study was to assess the role of immune cell infiltration in the pathogenesis of PAH. Differentially expressed genes based on microarray data were enriched in several immune‐related pathways. To evaluate the immune cell infiltration, based on the microarray data sets in the GEO database, we used both ssGSEA and the CIBERSORT algorithm. Additionally, single‐cell RNA sequencing (scRNA‐seq) data was used to further explicit the specific role and intercellular communications. Then receiver operating characteristic curves and least absolute shrinkage and selection operator were used to discover and test the potential diagnostic biomarkers for PAH. Both the immune cell infiltration analyses based on the microarray data sets and the cell proportion in scRNA‐seq data exhibited a significant downregulation in the infiltration of monocytes in PAH. Then, the intercellular communications showed that the interaction weighs of most immune cells, including monocytes changed between the control and PAH groups, and the ITGAL‐ITGB2 and ICAM signaling pathways played critical roles in this process. In addition, ITGAM and ICAM2 displayed good diagnosis values in PAH. This study implicated that the change of monocyte was one of the key immunologic features of PAH. Monocyte‐associated ICAM‐1 and ITGAL‐ITGB2 signaling pathways might be involved in the pathogenesis of PAH.
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