(L) Kutchova njuga kumakhudzana ndi dongosolo la opioid lomwe lasintha mu ubongo (2014)

Ogasiti 19, 2014 mu Psychology & Psychiatry /

Anthu onse ali ndi dongosolo lachilengedwe la opioid mu ubongo. Tsopano kafukufuku watsopano, wopangidwa ku ECNP Congress ku Berlin, wapeza kuti njira ya opioid ya otchova njuga amayankha mosiyanasiyana kwa odzipereka athanzi labwino. Ntchitoyi idachitika ndi gulu la ofufuza aku UK ochokera ku London ndi Cambridge, ndipo lidathandizidwa ndi a Medical Research Council. Ntchitoyi ikuwonetsedwa ku European College of Neuropsychopharmacology msonkhano ku Berlin.

Kutchova juga ndimkhalidwe wofala ndi pafupifupi 70% ya anthu aku Britain otchovera juga nthawi zina. Komabe mwa anthu ena, kutchova juga kumakhala kosawongolera ndipo kumayambitsa makonda - , yotchedwanso kuti njuga yamavuto. 2007 yaku Britain Guga Prevalence Survey1 idaganiza kuti 0.6% ya akulu aku UK ali ndi vuto la kutchova juga, lofanana ndi anthu pafupifupi 300,000, omwe azungulira tawuni yonse ngati Swansea. Matendawa ali ndi kufalikira kwa 0.5 − 3% ku Europe.

Ofufuzawo adatengapo juga ya 14 ya pathological ndi odzipereka a 15 athanzi, ndipo adagwiritsa ntchito ma PET scans (Positron Emission Tomography scans) kuyeza milingo ya opioid mu ubongo wa magulu awiriwa. Ma receptor amenewa amalola kulumikizana kwa khungu - amakhala ngati loko ndi ma neurotransmitter kapena mankhwala, monga ma endioos opioids otchedwa endorphins, akuchita ngati fungulo. Ofufuzawo adapeza kuti panalibe kusiyana pakati pa ziwonetsero za receptor muzotchovera njuga komanso osatchova njuga. Izi ndizosiyana ndikumamwa mowa, heroin kapena cocaine pomwe kuwonjezeka kumawoneka m'magulu a opioid receptor.

Maphunziro onse adapatsidwa piritsi la amphetamine lomwe limatulutsa ma endorphin, omwe ndi opiates zachilengedwe, mu ndikubwereza PET scan. Kutulutsa koteroko - kotchedwa 'endorphin rush'- kumaganizidwanso kuti kumachitika ndi mowa kapena masewera olimbitsa thupi. Kujambula kwa PET kunawonetsa kuti otchova njuga adatulutsa ma endorphin ochepa kuposa omwe amadzipereka osatchova juga komanso kuti izi zimalumikizidwa ndi amphetamine yomwe imachepetsa chisangalalo chocheperako monga akunenera odzipereka (pogwiritsa ntchito funso lodziyesa lokha lotchedwa 'Mtundu wosavuta wa kuyankhulana kwa amphetamine scale ', kapena SAIRS).

Monga wofufuza wotsogolera Dr Inge Mick adati:

"Kuchokera pantchito yathu, titha kunena zinthu ziwiri. Choyamba, ubongo wa otchova njuga amayankha mosiyanasiyana pakulimbikitsaku kuposa ubongo wa odzipereka athanzi. Ndipo chachiwiri, zikuwoneka kuti otchova njuga samangokhala ndi chisangalalo chofanana ndi odzipereka athanzi. Izi zitha kupita kufotokozera chifukwa chake kutchova juga kumakhala chizolowezi ”.

“Aka ndi kafukufuku woyamba kuganizirapo za PET kuti awone momwe opioid imagwirira ntchito kutchova juga kwa matenda, komwe kumakhala chizolowezi. Tikawona zomwe zidachitika m'mbuyomu pazovuta zina, monga uchidakwa, timayembekezera kuti otchova njuga atha kukulitsa ma opiate receptors omwe sitinapeze, koma tidapeza kusintha kosayembekezereka kwa ma opioid amkati kuchokera ku vuto la amphetamine. Zotsatira izi zikuwonetsa kutengapo gawo kwa opioid mu njuga zamatenda komanso kuti zimatha kusiyanasiyana ndi zosokoneza bongo monga mowa. Tikukhulupirira kuti pamapeto pake izi zitha kutithandiza kukhazikitsa njira zatsopano zothanirana ndi kutchova juga kwamatenda "

Polankhula m'malo mwa ECNP, Pulofesa Wim van den Brink (Amsterdam), Wapampando wa Komiti ya Sayansi ku Berlin Congress, adati:

"Pakadali pano, tikupeza kuti chithandizo ndi omwe amadana ndi opioid monga naltrexone ndi nalmefene akuwoneka kuti ali ndi zotsatira zabwino pochiza matenda , ndikuti zotsatira zabwino kwambiri za mankhwalawa zimapezeka mwa omwe amatchova juga omwe ali ndi mbiri yakumwa zakumwa zoledzeretsa. Koma lipotili lochokera kwa Dr Mick ndi anzawo ndi ntchito yosangalatsa, ndipo ngati lingatsimikizidwe lingatsegule zitseko za njira zatsopano zochiritsira otchova njuga ”.

Yoperekedwa ndi European College of Neuropsychopharmacology

"Kutchova juga kwachidziwitso kumalumikizidwa ndi kusintha kwa ma opioid muubongo." Ogasiti 19, 2014. http://medicalxpress.com/news/2014-10-pathological-gambling-opioid-brain.html