Abstract：
INTRODUCTION:A number of genetic and neuroimagen proofs support the idea that attention-deficit/hyperactivity disorder (ADHD) present a neurobiological alteration. Vesicular monoamine transporters (VMATs) are important proteins that regulate the intraneuronal monoamine concentration and disposition as this protein sequesters cytoplasmic dopamine within synaptic vesicles thus contributing to subsequent excitotoxic release. DEVELOPMENT:Two pharmacologically distinct VMAT isoforms VMAT1 and VMAT2 have been cloned and described. The VMAT2, in the CNS, is responsible for the translocation of dopamine from the cytoplasm into synaptic vesicles. In addition, it has been described a neuroprotector role for these transporters. The platelet vesicular monoamine transporter VMAT2 is used as a peripheral model of neuronal VMAT2. Its quantification has been used to perform studies of ADHD and other neuropsychiatry diseases related with the monoamines metabolism. CONCLUSION:Since dopamine and other monoamines (epinephrine and serotonine) play a role in ADHD, and methylphenidate, an usual treatment for this type of patients, modifies the VMAT2 activity, we may argue that VMAT2 is involved in ADHD pathogeny.
journal_name
Rev Neuroljournal_title
Revista de neurologiaauthors
Lorenzo-Sanz G,Sánchez-Herranz Asubject
Has Abstractpub_date
2011-03-01 00:00:00pages
S103-8eissn
0210-0010issn
1576-6578pii
rn2011058journal_volume
52 Suppl 1pub_type
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