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Regulation of macrophage migration in ischemic mouse hearts via an AKT2/NBA1/SPK1 pathway

  • Yanping Yang
  • , Jieqiong Zhao
  • , Juan Zhang
  • , Yonghong Lei
  • , Fang Yuan
  • , Lu Liu
  • , Haibo Gao
  • , Hua Guo
  • , Xiaolin Niu
  • , Ruirui Chen
  • , Xiaobing Fu
  • , Yan Han
  • , Hua Han
  • , Tung Chan
  • , Lianyou Zhao
  • , Haichang Wang
  • , Qiangsun Zheng
  • , Xue Li
  • Tangdu Hospital, Fourth Military Medical University
  • General Hospital of People's Liberation Army
  • Chinese General Hospital
  • Air Force Medical University
  • Xibei Hospital

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The role of the AKT2/NBA1/SPK1 signaling cascade in macrophage migration regulation and post-ischemic cardiac remodeling was investigated. We determined that the AKT2/NBA1/SPK1 signaling cascade regulated macrophage migration. A novel role for NBA1 in macrophage migration was discovered. Elevated AKT2 phosphorylation, NBA1, SPK1 (along with phosphorylated SPK1) levels, macrophage recruitment, apoptosis, and fibrosis were found within the infarct area. Atorvastatin had a beneficial effect on cardiac remodeling following myocardial infarction by inhibiting AKT2/NBA1/SPK1-mediated macrophage recruitment, apoptosis, and collagen deposition while increasing angiogenesis in the infarct area. Atorvastatin-related protection of cardiac remodeling following myocardial infarction was abolished in SPK1-KO mice. The AKT2/NAB1/SPK1 pathway is a novel regulating factor of macrophage migration and cardiac remodeling after myocardial infarction.

Original languageEnglish
Pages (from-to)115345-115359
Number of pages15
JournalOncotarget
Volume8
Issue number70
DOIs
StatePublished - 2017
Externally publishedYes

Keywords

  • Atorvastatin
  • Cardiac function
  • Macrophage migration
  • Myocardial infarction

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