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Your search keyword '"Ludovic Boytard"' showing total 3 results
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3 results on '"Ludovic Boytard"'

1. Lung-derived HMGB1 is detrimental for vascular remodeling of metabolically imbalanced arterial macrophages

Author

Ludovic Boytard, Tarik Hadi, Michele Silvestro, Hengdong Qu, Andrew Kumpfbeck, Rayan Sleiman, Kissinger Hyppolite Fils, Dornazsadat Alebrahim, Francesco Boccalatte, Matthias Kugler, Annanina Corsica, Bruce E. Gelb, Glenn Jacobowitz, George Miller, Chiara Bellini, Jessica Oakes, Jean-Sébastien Silvestre, Lior Zangi, and Bhama Ramkhelawon

Subjects
Science
Abstract

Lung damage increases abdominal aortic aneurysm (AAA) incidence, but the mechanism was unclear. Here, the authors show that injured lungs leak HMGB1, increasing RIPK3 expression in arterial macrophages that subsequently alters mitochondrial function, leading to MMP12 expression and AAA development.

Published
2020
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2. Macrophage-derived netrin-1 promotes abdominal aortic aneurysm formation by activating MMP3 in vascular smooth muscle cells

Author

Tarik Hadi, Ludovic Boytard, Michele Silvestro, Dornazsadat Alebrahim, Samson Jacob, Jordyn Feinstein, Krista Barone, Wes Spiro, Susan Hutchison, Russell Simon, Debra Rateri, Florence Pinet, David Fenyo, Mark Adelman, Kathryn J. Moore, Holger K. Eltzschig, Alan Daugherty, and Bhama Ramkhelawon

Subjects
Science
Abstract

Abdominal aortic aneurysms (AAA) are characterized by extensive extracellular matrix degradation. Here Hadi et al. identify a netrin-1/neogenin-based crosstalk between macrophages and vascular smooth muscle cells (VSMCs), leading to the secretion of the matrix metalloproteinase MMP-3 by VSMCs and subsequent matrix degradation in AAA lesions.

Published
2018
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