Conform studiului citat de dailymail.co.uk, oamenii de ştiinţă de la Universitatea Maryland din SUA au ajuns la concluzia că dorinţa de a bea în exces este legată de o genă care activează o proteină – TLR4 – într-o parte a creierului, numită complexul amigdalian (un grup de nuclee nervoase aflate în interiorul lobilor temporali mediani).
Testele efectuate pe şoarecii de laborator au arătat că exemplarele cărora li se dădea să consume alcool au început să bea mai puţin după manipularea producerii de TLR4. Astfel după ce oamenii de ştiinţă au stimulat artificial TLR4 şi alţi receptori din creier pentru a simula senzaţiile plăcute obţinute prin consumul ocazional de alcool în exces, şoarecii nu au mai fost interesaţi de alcool timp de două săptămâni.
Profesorul şi psihologul Harry June, de la Universitatea Maryland, a spus că proteina TLR4 ar putea fi folosită pentru dezvoltarea unor medicamente pentru tratarea alcoolismului.
„Terapia genetică ar putea oferi alternative benefice la tratamentele psiho-sociale şi farmaceutice obişnuite, dar identificarea genelor-ţintă va fi o provocare”, a spus June.
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