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Published on: July 3, 2020
Serum heat shock protein after simulated deep diving in Navy divers
Hui-Chieh Lee1, Yin-Shin Chen, Bor-Hwang Kang
1Diving Medicine, Zuo-Ying Armed Forces General Hospital, Kaohsiung, ROC.
The Chinese Journal of Physiology
|December 26, 2009
Summary
Navy divers exhibit higher serum heat shock protein 72 (sHsp72) levels, potentially due to exercise. Further research is needed to determine if diving stress or exercise preconditioning causes this increase.
Area of Science:
- Physiology
- Marine Biology
- Occupational Health
Background:
- Deep sea diving imposes significant physical and psychological stress on divers.
- Understanding stress responses is crucial for diver safety and performance.
- Heat shock proteins (HSPs) are biomarkers of cellular stress.
Purpose of the Study:
- To evaluate the physiological stress response in Navy divers during simulated deep sea dives.
- To investigate the role of serum heat shock protein 72 (sHsp72) as a stress indicator in divers.
Main Methods:
- Nineteen Navy divers participated in simulated wet dives using compressed air and Heliox gas mixtures at varying depths (190-285 fsw).
- Serum samples were collected pre-dive and post-dive to measure sHsp72 levels.
- Standard U.S. Navy decompression protocols were followed.
Main Results:
- Predive sHsp72 levels were significantly higher in Navy divers compared to a control group.
- Post-Heliox dive, sHsp72 levels showed a non-significant increase.
- Higher baseline sHsp72 levels in divers correlated with regular intensive exercise.
Conclusions:
- Navy divers have elevated baseline sHsp72 levels, likely influenced by intensive exercise.
- The study could not definitively link the observed sHsp72 levels to diving stress versus exercise preconditioning.
- Further investigation is required to elucidate the relationship between diving, exercise, and sHsp72 response in divers.
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