期刊
CURRENT OPINION IN NEUROLOGY
卷 32, 期 6, 页码 796-801出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/WCO.0000000000000753
关键词
excitotoxicity; inflammation; mitochondrial impairment; transglutaminases; traumatic brain injury
资金
- University of Trento
- Dep. CIBIO
- Alzheimer Trento Onlus
- Legato Baldrachi
- University of Bologna
Purpose of review Traumatic brain injury (TBI) is one of the leading causes of death in the developed world. Despite advances at the bedside, pharmacological interventions have yet to be successful likely because of the need for a better understanding of disease mechanisms as potential targets for intervention. Recent evidence implicates a family of enzymes, namely transglutaminases, in the pathological mechanisms of TBI. Recent findings Transglutaminases are multifunctional, calcium-dependent enzymes that are significantly upregulated in TBI. They are known for their transamidase activity that consists of the covalent crosslinking of glutamines and lysines. Recent data support their ability to aminylate proteins with primary amines such as polyamines or monoamines like serotonin and histamine and to regulate gene transcription. Summary In this review, we will discuss data that support a role for transglutaminases, in particular transglutaminase 2, in mitochondrial damage, excitotoxicity and inflammation and their relationship to the pathobiology of TBI. We will review past evidence and outline the need for new experiments that could clarify the role of these enzymes in cell injury and death associated with traumatic brain injury.
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