European Journal of Applied Physiology

, Volume 111, Issue 7, pp 1405–1413 | Cite as

Effects of acid–base balance and high or low intensity exercise on VEGF and bFGF

  • Patrick Wahl
  • Christoph Zinner
  • Silvia Achtzehn
  • Michael Behringer
  • Wilhelm Bloch
  • Joachim Mester
Original Article

Abstract

The purpose of the present study was to compare the acute hormonal response to a short-term high-intensity training (HIT) versus a high-volume endurance training (HVT) and to investigate the effects of acid–base status on cytokines involved in angiogenesis (VEGF and bFGF). Eleven subjects participated in three experimental trials. Two times subjects performed four 30-s “all-out” exercise bouts on a cycle ergometer separated by 5-min rest each, at which subjects either received bicarbonate (HIT (B)) or a placebo (HIT (P)) before the exercise. The third exercise trail consisted of a constant load exercise for 1 h at 50% peak power output (PPO). Venous blood samples were taken under resting conditions, 10, 60, and 240 min after each exercise condition to determine VEGF and bFGF serum concentrations. Capillary blood samples were taken to determine lactate concentrations and blood gas parameters. Mean pH values were significantly higher during HIT (B) compared to HIT (P). Serum VEGF concentration was significantly increased 10-min post-exercise in both HIT interventions. HVT showed no significant effects on VEGF levels. The diminished acidosis during HIT (B) had no effects on the VEGF response. There were no significant changes in bFGF in response to HIT or HVT. The present study suggests that HIT is a stimulus for exercise-induced VEGF secretion. These findings might be relevant for the arrangement of training, due to the fact that most of the training is often performed at low intensities possibly leading to an insufficient stimulus for VEGF secretion and angiogenesis.

Keywords

Acidosis Hormone secretion Angiogenic growth factors High intensity intervals 

Notes

Acknowledgments

The experiments carried out comply with the current laws of the country.

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Springer-Verlag 2010

Authors and Affiliations

  • Patrick Wahl
    • 1
    • 2
    • 3
  • Christoph Zinner
    • 1
  • Silvia Achtzehn
    • 1
  • Michael Behringer
    • 1
  • Wilhelm Bloch
    • 2
    • 3
  • Joachim Mester
    • 1
    • 3
  1. 1.Institute of Training Science and Sport InformaticsGerman Sport University CologneCologneGermany
  2. 2.Department of Molecular and Cellular Sport Medicine, Institute of Cardiovascular Research and Sport MedicineGerman Sport UniversityCologneGermany
  3. 3.German Research Center of Elite SportGerman Sport UniversityCologneGermany

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