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Cited by 277

The DOI matches its Crossref record; 47 of the 47 references it cites were found in a registry or an index.

Deficiency of the Long Pentraxin PTX3 Promotes Vascular Inflammation and Atherosclerosis

Open access
Norata, Giuseppe Danilo, Marchesi, Patrizia, Pulakazhi Venu, Vivek Krishna, Pasqualini, Fabio, Anselmo, Achille, Moalli, Federica, Pizzitola, Irene, Garlanda, Cecilia, Mantovani, Alberto, Catapano, Alberico Luigi·2009·Circulation

Abstract

Background— Immune responses participate in several phases of atherosclerosis; there is, in fact, increasing evidence that both adaptive immunity and innate immunity tightly regulate atherogenesis. Pentraxins are a superfamily of acute-phase proteins that includes short pentraxins such as C-reactive protein or long pentraxins such as PTX3, a molecule acting as the humoral arm of innate immunity. To address the potential role of PTX3 in atherogenesis, we first investigated the expression of PTX3 during atherogenesis, generated double-knockout mice lacking PTX3 and apolipoprotein E, and then studied the effect of murine PTX3 deficiency on plasma lipids, atherosclerosis development, and gene expression pattern in the vascular wall. Methods and Results— PTX3 expression increases in the vascular wall of apolipoprotein E–knockout mice from 3 up to 18 months of age. Double-knockout mice lacking PTX3 and apolipoprotein E were fed an atherogenic diet for 16 weeks. Aortic lesions were significantly increased in double-knockout mice and mice heterozygous for PTX3 compared with apolipoprotein E–knockout mice. Mice lacking PTX3 showed a more pronounced inflammatory profile in the vascular wall as detected by cDNA microarray and quantitative polymerase chain reaction analysis and an increased macrophage accumulation within the plaque. Finally, lesion size correlated with the number of bone marrow monocytes. Conclusion— PTX3 has atheroprotective effects in mice, which, in light of the cardioprotective effects recently reported, suggests a cardiovascular protective function of the long pentraxin 3 through the modulation of the immunoinflammatory balance in the cardiovascular system.

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Metadata

Authors
Norata, G. D., Marchesi, P., Pulakazhi Venu, V. K., Pasqualini, F., Anselmo, A., Moalli, F., Pizzitola, I., Garlanda, C., Mantovani, A., & Catapano, A. L.
Venue
Circulation
Published
2009-08-25
Volume
120
Issue
8
Pages
699-708
ISSN
  • 0009-7322 (ISSN-L)
  • 1524-4539
OpenAlex
W1976315388
Cited by
277
References
47
FWCI
8.40
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Deficiency of the Long Pentraxin PTX3 Promotes Vascular Inflammation and Atherosclerosis. https://app.cochat.ai/papers/10.1161/circulationaha.108.806547
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Norata, G. D., Marchesi, P., Pulakazhi Venu, V. K., Pasqualini, F., Anselmo, A., Moalli, F., Pizzitola, I., Garlanda, C., Mantovani, A., & Catapano, A. L. (2009). Deficiency of the Long Pentraxin PTX3 Promotes Vascular Inflammation and Atherosclerosis. Circulation. https://doi.org/10.1161/circulationaha.108.806547

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

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