Platelet catecholamine contents are cumulative indexes of sympathoadrenal activity.

@article{Chamberlain1990PlateletCC,
  title={Platelet catecholamine contents are cumulative indexes of sympathoadrenal activity.},
  author={K G Chamberlain and R G Pestell and James D. Best},
  journal={The American journal of physiology},
  year={1990},
  volume={259 2 Pt 1},
  pages={E141-7}
}
Blood platelets continually accumulate catecholamines (CA) from plasma. Plasma CA levels fluctuate rapidly, but platelet CA appear to have a slower turnover, making them potentially useful as long-term indexes of sympathoadrenal activity. We measured the effect of different types of human physical exertion on epinephrine (E), norepinephrine (NE), and dopamine (DA) and their sulfoconjugates in both plasma and washed platelets using a radioenzymatic assay. Acute strenuous exercise caused only a… CONTINUE READING
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