Role of Taurine in Spinal Cord Injury

Author(s): R. C. Gupta, Y. Seki, J. Yosida

Journal Name: Current Neurovascular Research

Volume 3 , Issue 3 , 2006

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Taurine is a sulfur amino acid. It is found endogenously in human and several others tissues. It is significantly in high concentration in mammals. Human body contains about 0.1% of body weight as taurine. It has a number of physiological and pharmacological actions. It is also used in the therapy of important organs dysfunctions. In spinal cord it has inhibitory effects; like antiepileptic and anti-nociceptive. Taurine also inhibits substance p induced biting and scratching behavior. In spinal cord injury elevated level of taurine has been observed. Higher level of taurine has been also recorded in SCI therapy using, known clinical agent methyl prednisolone (MP). The increased taurine concentration seems to be involved in protection and regeneration of tissues following injury. In SCI along with physical injury secondary activities also takes place which are complex in nature. Secondary activity includes vascular events and activation of neutrophils, resulting endothelial damage. Activated neutrophils; release a variety of inflammatory mediators such as myeloperoxidase (MPO), reactive oxygen species (ROS), and some others. It is believed that taurine exert its protective action through scavenging of ROS and down regulating several other inflammatory mediators like tumor necrosis factors (TNFα). The inside of mechanism reveals toxic substance HOCl is produced by MPO is converted to less toxic substances through scavenging action of taurine. Amino acid therapy has its own limitations and to over come such situation there is a need to develop small, simple lipophelic analogs of taurine. Use of taurine analogs has provided better results; for example, N- chloro taurine (NCT) which is a taurine derivative has exhibited therapeutic advances over taurine. Taurine and its analogs with sound experimental and clinical support may constitute a new class of therapeutic agents for SCI., and perhaps this review may provide enough material to think of this.

Keywords: Methylprednisolone therapy (MP therapy), N-chloro taurine (NCT), myeloperoxidase activity (MPO), activated neutrophils, inflammatory mediators, tumor necrosis factor (TNFα), reactive oxygen species, taurine analogs

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Article Details

Year: 2006
Page: [225 - 235]
Pages: 11
DOI: 10.2174/156720206778018776
Price: $65

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