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Cited by 452

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

Msx2 promotes cardiovascular calcification by activating paracrine Wnt signals

Open access
Shao, Jian-Su, Cheng, Su-Li, Pingsterhaus, Joyce M., Charlton-Kachigian, Nichole, Loewy, Arleen P., Towler, Dwight A.·2005·Journal of Clinical Investigation

Abstract

In diabetic LDLR-/- mice, an ectopic BMP2-Msx2 gene regulatory program is upregulated in association with vascular calcification. We verified the procalcific actions of aortic Msx2 expression in vivo. CMV-Msx2 transgenic (CMV-Msx2Tg(+)) mice expressed 3-fold higher levels of aortic Msx2 than nontransgenic littermates. On high-fat diets, CMV-Msx2Tg(+) mice exhibited marked cardiovascular calcification involving aortic and coronary tunica media. This corresponded to regions of Msx2 immunoreactivity in adjacent adventitial myofibroblasts, suggesting a potential paracrine osteogenic signal. To better understand Msx2-regulated calcification, we studied actions in 10T1/2 cells. We found that conditioned media from Msx2-transduced 10T1/2 cells (Msx2-CM) is both pro-osteogenic and adipostatic; these features are characteristic of Wnt signaling. Msx2-CM stimulated Wnt-dependent TCF/LEF transcription, and Msx2-transduced cells exhibited increased nuclear beta-catenin localization with concomitant alkaline phosphatase induction. Msx2 upregulated Wnt3a and Wnt7a but downregulated expression of the canonical inhibitor Dkk1. Dkk1 treatment reversed osteogenic and adipostatic actions of Msx2. Teriparatide, a PTH1R agonist that inhibits murine vascular calcification, suppressed vascular BMP2-Msx2-Wnt signaling. Analyses of CMV-Msx2Tg(+) mice confirmed that Msx2 suppresses aortic Dkk1 and upregulates vascular Wnts; moreover, TOPGAL(+) (Wnt reporter); CMV-Msx2Tg(+) mice exhibited augmented aortic LacZ expression. Thus, Msx2-expressing cells elaborated an osteogenic milieu that promotes vascular calcification in part via paracrine Wnt signals.

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Metadata

Authors
Shao, J.-S., Cheng, S.-L., Pingsterhaus, J. M., Charlton-Kachigian, N., Loewy, A. P., & Towler, D. A.
Venue
Journal of Clinical Investigation
Published
2005-04-14
Volume
115
Issue
5
Pages
1210-1220
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2051580972
Cited by
452
References
5
FWCI
11.76
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Msx2 promotes cardiovascular calcification by activating paracrine Wnt signals. https://app.cochat.ai/papers/10.1172/jci200524140
The paper
Shao, J.-S., Cheng, S.-L., Pingsterhaus, J. M., Charlton-Kachigian, N., Loewy, A. P., & Towler, D. A. (2005). Msx2 promotes cardiovascular calcification by activating paracrine Wnt signals. Journal of Clinical Investigation. https://doi.org/10.1172/jci200524140

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.