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Kubota H, Yamada H, Sugimoto T, Wada N, Motoyama S, Saburi M, Miyawaki D, Wakana N, Kami D, Ogata T, Ibi M, Matoba S. Repeated Social Defeat Enhances CaCl 2-Induced Abdominal Aortic Aneurysm Expansion by Inhibiting the Early Fibrotic Response via the MAPK-MKP-1 Pathway. Cells 2022; 11:cells11040732. [PMID: 35203381 PMCID: PMC8870675 DOI: 10.3390/cells11040732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 02/11/2022] [Accepted: 02/17/2022] [Indexed: 01/25/2023] Open
Abstract
Depression is an independent risk factor for cardiovascular disease and is significantly associated with the prevalence of abdominal aortic aneurysm (AAA). We investigated the effect of repeated social defeat (RSD) on AAA development. Eight-week-old male wild-type mice were exposed to RSD by being housed with larger CD-1 mice in a shared cage. They were subjected to vigorous physical contact. After the confirmation of depressive-like behavior, calcium chloride was applied to the infrarenal aorta of the mice. At one week, AAA development was comparable between the defeated and control mice, without any differences being observed in the accumulated macrophages or in the matrix metalloproteinase activity. At two weeks, the maximum diameter and circumference of the aneurysm were significantly increased in the defeated mice, and a significant decrease in periaortic fibrosis was also observed. Consistently, the phosphorylation of the extracellular signal-regulated kinase and the incorporation of 5-bromo-2'-deoxyuridine in the primarily cultured aortic vascular smooth muscle cells were significantly reduced in the defeated mice, which was accompanied by a substantial increase in mitogen-activated protein kinase phosphatase-1 (MKP-1). The MKP-1 mRNA and protein expression levels during AAA were much higher in the defeated mice than they were in the control mice. Our findings demonstrate that RSD enhances AAA development by suppressing periaortic fibrosis after an acute inflammatory response and imply novel mechanisms that are associated with depression-related AAA development.
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Affiliation(s)
- Hiroshi Kubota
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (H.K.); (T.S.); (N.W.); (S.M.); (M.S.); (D.M.); (N.W.); (S.M.)
| | - Hiroyuki Yamada
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (H.K.); (T.S.); (N.W.); (S.M.); (M.S.); (D.M.); (N.W.); (S.M.)
- Correspondence: ; Tel.: +81-75-251-5511
| | - Takeshi Sugimoto
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (H.K.); (T.S.); (N.W.); (S.M.); (M.S.); (D.M.); (N.W.); (S.M.)
| | - Naotoshi Wada
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (H.K.); (T.S.); (N.W.); (S.M.); (M.S.); (D.M.); (N.W.); (S.M.)
| | - Shinichiro Motoyama
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (H.K.); (T.S.); (N.W.); (S.M.); (M.S.); (D.M.); (N.W.); (S.M.)
| | - Makoto Saburi
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (H.K.); (T.S.); (N.W.); (S.M.); (M.S.); (D.M.); (N.W.); (S.M.)
| | - Daisuke Miyawaki
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (H.K.); (T.S.); (N.W.); (S.M.); (M.S.); (D.M.); (N.W.); (S.M.)
| | - Noriyuki Wakana
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (H.K.); (T.S.); (N.W.); (S.M.); (M.S.); (D.M.); (N.W.); (S.M.)
| | - Daisuke Kami
- Department of Regenerative Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan;
| | - Takehiro Ogata
- Department of Pathology and Cell Regulation, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan;
| | - Masakazu Ibi
- Department of Pharmacy, Kinjo Gakuin University, Nagoya 463-8521, Japan;
| | - Satoaki Matoba
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (H.K.); (T.S.); (N.W.); (S.M.); (M.S.); (D.M.); (N.W.); (S.M.)
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