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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Endogenous adenosine and hemorrhagic shock: effects of caffeine administration or caffeine withdrawal.

Plasma adenosine concentrations doubled when rats were subjected to 90 min of profound hemorrhagic shock. Administration of caffeine (20 mg per kg of body weight), an adenosine-receptor antagonist, attenuated the hemorrhage-induced decrease in blood pressure. In contrast, chronic caffeine consumption (0.1% in drinking water), followed by a brief period of caffeine withdrawal, amplified the hypotensive response to hemorrhage. These data suggest that endogenous adenosine participates in the hypotensive response to hemorrhage and that caffeine may protect against, and caffeine withdrawal may exacerbate, this response.[1]

References

  1. Endogenous adenosine and hemorrhagic shock: effects of caffeine administration or caffeine withdrawal. Conlay, L.A., Evoniuk, G., Wurtman, R.J. Proc. Natl. Acad. Sci. U.S.A. (1988) [Pubmed]
 
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