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Pericytes in Cerebrovascular Diseases: An Emerging Therapeutic Target.

ABSTRACT: Pericytes are functional components of the neurovascular unit (NVU) that are located around the blood vessels, and their roles in the regulation of cerebral health and diseases has been reported. Currently, the potential properties of pericytes as emerging therapeutic targets for cerebrovascular diseases have attracted considerable attention. Nonetheless, few reviews have comprehensively discussed pericytes and their roles in cerebrovascular diseases. Therefore, in this review, we not only summarized and described the basic characteristics of pericytes but also focused on clarifying the new understanding about the roles of pericytes in the pathogenesis of cerebrovascular diseases, including white matter injury (WMI), hypoxic-ischemic brain damage, depression, neovascular insufficiency disease, and Alzheimer's disease (AD). Furthermore, we summarized the current therapeutic strategies targeting pericytes for cerebrovascular diseases. Collectively, this review is aimed at providing a comprehensive understanding of pericytes and new insights about the use of pericytes as novel therapeutic targets for cerebrovascular diseases.

SUBMITTER: Su X

PROVIDER: S-EPMC6882740 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Pericytes in Cerebrovascular Diseases: An Emerging Therapeutic Target.

Su Xiaojuan X Huang Lingyi L Qu Yi Y Xiao Dongqiong D Mu Dezhi D

Frontiers in cellular neuroscience 20191122

Pericytes are functional components of the neurovascular unit (NVU) that are located around the blood vessels, and their roles in the regulation of cerebral health and diseases has been reported. Currently, the potential properties of pericytes as emerging therapeutic targets for cerebrovascular diseases have attracted considerable attention. Nonetheless, few reviews have comprehensively discussed pericytes and their roles in cerebrovascular diseases. Therefore, in this review, we not only summa ...[more]

PMID: 31824267

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Project description:Background and Aims: Atherosclerosis, a major contributor to cardiovascular and cerebrovascular diseases, remains a leading cause of global mortality and morbidity. This study focuses on the role of chemokine-like receptor 1 (CMKLR1) in VSMCs and its potential impact on atherosclerotic plaque formation and remodelling. Methods: Cmklr1-/-Apoe-/- mice, generated using CRISPR/Cas9 technology, were fed a high-fat western diet for 16 weeks to model atherosclerosis. Primary VSMCs were isolated from Cmklr1-/- and Cmklr1+/+ mice for in vitro experiments. Cell viability, senescence-associated β-galactosidase staining, and RNA interference were performed to assess the effect of CMKLR1 deficiency on VSMCs. Various assays, including flow cytometry, immunocytochemistry, and RNA-seq analysis, were employed to investigate the molecular mechanisms and downstream signals associated with CMKLR1 deficiency. Results: CMKLR1 deficiency was found to disrupt the cell cycle, leading to VSMC senescence both in vitro and in vivo. Cmklr1-/-Apoe-/- mice exhibited increased atherosclerotic plaque burden, emphasizing the role of CMKLR1 in plaque stability. Transcriptome analysis revealed significant changes in cellular components and biological processes, with a particular impact on the extracellular matrix and cellular response to stimulus. The TGFβ signalling pathway emerged as a potential downstream target of CMKLR1, affecting VSMC differentiation, vessel development, and extracellular matrix synthesis. The deficiency of CMKLR1 led to a reduction in TGFβ1 expression and downstream molecule SM22α, influencing plaque composition and stability. Conclusion: This study demonstrates that CMKLR1 deficiency promotes VSMC senescence and exacerbates atherosclerosis. The disrupted TGFβ signalling pathway, identified as a potential molecular mechanism, provides insights into the complex regulatory network associated with CMKLR1 in atherosclerotic plaque formation and remodelling. These findings highlight the importance of CMKLR1 in atherosclerosis and its potential as a therapeutic target for plaque stability.

Dataset Information

Pericytes in Cerebrovascular Diseases: An Emerging Therapeutic Target.

Publications

Pericytes in Cerebrovascular Diseases: An Emerging Therapeutic Target.

Similar Datasets

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