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Cited by 254

The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.

Disruption of PPARγ/β-catenin–mediated regulation of apelin impairs BMP-induced mouse and human pulmonary arterial EC survival

Open access
Alastalo, Tero-Pekka, Li, Molong, de Jesus Perez, Vinicio, Pham, David, Sawada, Hirofumi, Wang, Jordon K., Koskenvuo, Minna, Wang, Lingli, Freeman, Bruce A., Chang, Howard Y., Rabinovitch, Marlene·2011·Journal of Clinical Investigation

Abstract

Reduced bone morphogenetic protein receptor 2 (BMPR2) expression in patients with pulmonary arterial hypertension (PAH) can impair pulmonary arterial EC (PAEC) function. This can adversely affect EC survival and promote SMC proliferation. We hypothesized that interventions to normalize expression of genes that are targets of BMPR2 signaling could restore PAEC function and prevent or reverse PAH. Here we have characterized, in human PAECs, a BMPR2-mediated transcriptional complex between PPARγ and β-catenin and shown that disruption of this complex impaired BMP-mediated PAEC survival. Using whole genome-wide ChIP-Chip promoter analysis and gene expression microarrays, we delineated PPARγ/β-catenin-dependent transcription of target genes including APLN, which encodes apelin. We documented reduced PAEC expression of apelin in PAH patients versus controls. In cell culture experiments, we showed that apelin-deficient PAECs were prone to apoptosis and promoted pulmonary arterial SMC (PASMC) proliferation. Conversely, we established that apelin, like BMPR2 ligands, suppressed proliferation and induced apoptosis of PASMCs. Consistent with these functions, administration of apelin reversed PAH in mice with reduced production of apelin resulting from deletion of PPARγ in ECs. Taken together, our findings suggest that apelin could be effective in treating PAH by rescuing BMPR2 and PAEC dysfunction.

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Metadata

Authors
Alastalo, T.-P., Li, M., de Jesus Perez, V., Pham, D., Sawada, H., Wang, J. K., Koskenvuo, M., Wang, L., Freeman, B. A., Chang, H. Y., & Rabinovitch, M.
Venue
Journal of Clinical Investigation
Published
2011-09-01
Volume
121
Issue
9
Pages
3735-3746
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2157122261
Cited by
254
References
5
FWCI
12.94
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Disruption of PPARγ/β-catenin–mediated regulation of apelin impairs BMP-induced mouse and human pulmonary arterial EC survival. https://app.cochat.ai/papers/10.1172/jci43382
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Alastalo, T.-P., Li, M., de Jesus Perez, V., Pham, D., Sawada, H., Wang, J. K., Koskenvuo, M., Wang, L., Freeman, B. A., Chang, H. Y., & Rabinovitch, M. (2011). Disruption of PPARγ/β-catenin–mediated regulation of apelin impairs BMP-induced mouse and human pulmonary arterial EC survival. Journal of Clinical Investigation. https://doi.org/10.1172/jci43382

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