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Postmortem changes in uric acid and ascorbic acid in human cerebral cortex tissues excised after cardiac death.

There has been no report on the determination of uric acid (UA) in human brain and heart tissues. UA and ascorbic acid (AA) in human cerebral cortex and heart tissues excised after cardiac death have been studied by reversed-phase high-performance liquid chromatography (HPLC) with electrochemical detection (ECD). It has been found that the levels of AA and UA in the human cerebral cortex tissues tend to decrease and increase, respectively, after cardiac death as a function of time between death and forensic operation. In addition, it has been found that there is no special relationship between UA levels in human heart tissues and time after cardiac death, also that the UA levels in the heart are high as compared with those in human cerebral cortex tissues. We have emphasized that the HPLC-ECD method is useful in determining UA and AA in mammalian tissues by one-time chromatography to gain a better understanding of the relationship between disease and serum urate level.[1]

References

  1. Postmortem changes in uric acid and ascorbic acid in human cerebral cortex tissues excised after cardiac death. Iriyama, K., Iwamoto, T., Yoshiura, M., Aoki, T. Biochem. Med. Metab. Biol. (1986) [Pubmed]
 
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