Molecular and Cellular Biochemistry

, Volume 440, Issue 1–2, pp 115–125 | Cite as

Circulating extracellular vesicles in the aging process: impact of aerobic exercise

  • Karine Bertoldi
  • Laura Reck Cechinel
  • Bruna Schallenberger
  • Giana Blume Corssac
  • Samuel Davies
  • Irene Clemes Külkamp Guerreiro
  • Adriane Belló-Klein
  • Alex Sander R. Araujo
  • Ionara Rodrigues Siqueira


Our aim was to investigate transitory and delayed exercise effects on serum extracellular vesicles (EVs) in aging process. Male Wistar rats of 3-, 21-, and 26-month old were allocated into exercised and sedentary groups. The exercise protocol consisted in a daily moderate treadmill exercise (20 min daily during 2 weeks). Trunk blood was collected 1 and 18 h after the last exercise session, and circulating EVs were obtained. CD63 levels and acetylcholinesterase (AChE) activity were used as markers of exosome, a subtype of EVs. In addition, the quantification of amyloid-β (Aβ) levels and the oxidative status parameters, specifically reactive species content, superoxide dismutase (SOD) activity, and SOD1 content were evaluated. Aged rats showed reduced CD63 levels and increased AChE activity in circulating exosomes compared to young ones. Moreover, higher reactive species levels were found in circulating EVs of aged rats. Delayed exercise effects were observed on peripheral EVs, since CD63, reactive species content, and AChE activity were altered 18 h after the last exercise session. Our results suggest that the healthy aging process can modify circulating EVs profile, and exercise-induced beneficial effects may be related to its modulation on EVs.


Circulating extracellular vesicles Exosomes Aging Reactive species content Rats Treadmill exercise 



This work received financial support from Conselho Nacional de Desenvolvimento Científico e Tecnológico-CNPq (Grant #No. 476634/2013-01). Dr. I.R. Siqueira; K. Bertoldi; L.R. Cechinel; B. Schallenberger received CNPq fellowships. The authors would like to acknowledge Prof. Adriana Pohlmann for providing access to Nanosight LM10-HS Instrument.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  • Karine Bertoldi
    • 1
  • Laura Reck Cechinel
    • 1
  • Bruna Schallenberger
    • 2
  • Giana Blume Corssac
    • 1
    • 4
  • Samuel Davies
    • 3
  • Irene Clemes Külkamp Guerreiro
    • 3
  • Adriane Belló-Klein
    • 1
    • 4
  • Alex Sander R. Araujo
    • 1
    • 4
  • Ionara Rodrigues Siqueira
    • 1
    • 2
    • 5
  1. 1.Programa de Pós-Graduação em Ciências Biológicas: FisiologiaUniversidade Federal do Rio Grande do SulPorto AlegreBrazil
  2. 2.Departamento de Farmacologia, Instituto de Ciências Básicas da SaúdeUniversidade Federal do Rio Grande do SulPorto AlegreBrazil
  3. 3.Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de FarmáciaUniversidade Federal do Rio Grande do SulPorto AlegreBrazil
  4. 4.Laboratório de Fisiologia Cardiovascular e Espécies Reativas do Oxigênio, Departamento de Fisiologia, Instituto de Ciências Básicas da SaúdeUniversidade Federal do Rio Grande do SulPorto AlegreBrazil
  5. 5.Laboratório de Neuropsicofarmacologia, Departamento de Farmacologia, Instituto de Ciências Básicas da SaúdeUniversidade Federal do Rio Grande do SulPorto AlegreBrazil

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