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Plasma and urinary taurine in epilepsy.

B W Collins¹, H O Goodman, C H Swanton

¹Department of Pediatrics, Bowman Gray School of Medicine, Winston-Salem, NC 27103.

Clinical Chemistry

|April 1, 1988

Summary

Epilepsy patients excrete less taurine, potentially due to genetic variations in taurine transport. Anticonvulsant drugs may also influence this process, impacting seizure susceptibility.

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Area of Science:

Neuroscience
Genetics
Biochemistry

Background:

Previous research indicated lower urinary taurine excretion in epileptic individuals compared to controls.
This difference was hypothesized to stem from genetic variations affecting taurine transport via codominant alleles.

Purpose of the Study:

To confirm reduced urinary taurine excretion in epileptics.
To investigate the influence of anticonvulsant medications on taurine transport.
To further elucidate the genetic basis of seizure susceptibility.

Main Methods:

Measurement of plasma taurine concentrations.
Analysis of urinary taurine output in epileptic patients and control subjects.
Assessment of potential effects of anticonvulsant medications on taurine levels.

Main Results:

The study confirmed significantly lower urinary taurine excretion in epileptics.
Evidence suggests that certain anticonvulsant medications may alter taurine transport mechanisms.
The findings support the role of codominant alleles in taurine transport as a component of seizure susceptibility.

Conclusions:

Reduced taurine excretion is a characteristic finding in epilepsy, linked to genetic factors.
Anticonvulsant therapies may interact with taurine transport, a factor to consider in epilepsy management.
The identified genetic component provides insight into the polygenic nature of seizure disorders.

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