Aging systemic milieu impairs outcome after ischemic stroke in rats

Mengxiong Pan, Peng Wang, Chengcai Zheng, Hongxia Zhang, Siyang Lin, Bei Shao, Qichuan Zhuge, Kunlin Jin

Research output: Contribution to journalArticleResearchpeer-review

1 Citation (Scopus)

Abstract

Compelling evidence indicates that factors in the blood can profoundly reverse aging-related impairments, as exposure of aged mice to young blood rejuvenates adult stem cell function, improves cognition, and ameliorates cardiac hypertrophy. Systemic factors from mice can also extend the life span of a partner exposed to a lethal treatment or disease. These findings suggest that the systemic milieu of a healthy young partner may be beneficial for an aged organism. However, it is unknown whether a healthy young systemic milieu can improve functional recovery after ischemic stroke. Intraperitoneal administration of young plasma into aged rats after ischemic stroke induced by distal middle cerebral artery occlusion (dMCAO) reduced infarct volume and motor impairment, compared with vehicle group. On the contrary, intraperitoneal administration of plasma from aged rats into young ischemic rats worsened brain injury and motor deficits. Using a proteomic approach, we found that haptoglobin levels were significantly increased in serum of aged rats and that intraperitoneal administration of haptoglobin impaired outcome after ischemic stroke in young rats. Our data suggest that the aging systemic milieu plays a critical role in functional outcome after ischemic stroke.

Original languageEnglish
Pages (from-to)519-530
Number of pages12
JournalAging and Disease
Volume8
Issue number5
DOIs
StatePublished - 1 Oct 2017

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Stroke
Haptoglobins
Adult Stem Cells
Middle Cerebral Artery Infarction
Cardiomegaly
Proteomics
Brain Injuries
Cognition
Serum

Keywords

  • Haptoglobin
  • Ischemic stroke
  • Outcome
  • Plasma
  • Systemic milieu

Cite this

Pan, Mengxiong ; Wang, Peng ; Zheng, Chengcai ; Zhang, Hongxia ; Lin, Siyang ; Shao, Bei ; Zhuge, Qichuan ; Jin, Kunlin. / Aging systemic milieu impairs outcome after ischemic stroke in rats. In: Aging and Disease. 2017 ; Vol. 8, No. 5. pp. 519-530.
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Pan, M, Wang, P, Zheng, C, Zhang, H, Lin, S, Shao, B, Zhuge, Q & Jin, K 2017, 'Aging systemic milieu impairs outcome after ischemic stroke in rats', Aging and Disease, vol. 8, no. 5, pp. 519-530. https://doi.org/10.14336/AD.2017.0710

Aging systemic milieu impairs outcome after ischemic stroke in rats. / Pan, Mengxiong; Wang, Peng; Zheng, Chengcai; Zhang, Hongxia; Lin, Siyang; Shao, Bei; Zhuge, Qichuan; Jin, Kunlin.

In: Aging and Disease, Vol. 8, No. 5, 01.10.2017, p. 519-530.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Zhuge, Qichuan

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Pan M, Wang P, Zheng C, Zhang H, Lin S, Shao B et al. Aging systemic milieu impairs outcome after ischemic stroke in rats. Aging and Disease. 2017 Oct 1;8(5):519-530. https://doi.org/10.14336/AD.2017.0710