Melanotan 2 (MT2) yog ib qho hluavtaws peptide analog ntawm cov tshuaj hormone alpha-melanocyte-stimulating hormone (-MSH). Nws tau tsim nyob rau xyoo 1990 los ntawm cov kws tshawb fawb ntawm University of Arizona, nrog rau lub hom phiaj thawj zaug ntawm kev tsim tshuaj los txo qhov kev pheej hmoo ntawm mob qog noj ntshav los ntawm kev ua kom tawv nqaij pigmentation. Txawm li cas los xij, dhau sij hawm, nws tau txais kev saib xyuas rau nws cov peev xwm siv tshuaj pleev ib ce, tshwj xeeb hauv kev ua tiav cov tawv nqaij tanned yam tsis muaj teeb meem UV hluav taws xob.
MT2 ua haujlwm los ntawm kev txhawb kev tsim cov melanin, cov xim ua lub luag haujlwm rau cov tawv nqaij, plaub hau, thiab qhov muag xim. Nws khi rau melanocortin receptors hauv daim tawv nqaij, ua rau muaj kev nce hauv melanin synthesis. Melanin absorbs UV hluav taws xob thiab muab qee theem ntawm kev tiv thaiv kab mob teeb meem, uas yog vim li cas MT2 tau pib tshawb xyuas rau nws lub peev xwm los tiv thaiv kab mob ntawm daim tawv nqaij.
Vim tias nws muaj peev xwm ua kom tawv nqaij tawv, MT2 tau txais koob meej hauv kev tsim lub cev thiab lub cev qoj ib ce, nrog rau cov tib neeg nrhiav lub ntsej muag tanned. Nws kuj tau raug cuam tshuam nrog kev nce libido thiab kev sib deev arousal, uas ua rau nws siv rau lub hom phiaj kev sib deev muaj peev xwm.
Txawm li cas los xij, nws tseem ceeb heev uas yuav tsum nco ntsoov tias kev siv MT2 muaj teeb meem thiab tsis tau txais kev txhawb nqa los ntawm cov kws kho mob. Nws txoj kev nyab xeeb, kev ua tau zoo, thiab kev cuam tshuam mus ntev tsis tau kawm zoo lossis pom zoo los ntawm cov koom haum tswj hwm. Tsis tas li ntawd, qhov tsis muaj kev tswj hwm ntawm MT2 txhais tau hais tias nws cov khoom tsim thiab kev faib tawm yuav tsis ua raws li cov qauv kev tswj hwm nruj, ua rau muaj kev pheej hmoo.
Tej yam tshwm sim ntawm MT2 tej zaum yuav muaj xws li xeev siab, ntuav, nce ntshav siab, thiab darkening ntawm cov moles uas twb muaj lawm los yog freckles. Kev siv MT2 yuav tsum tau ua kom ceev faj, thiab nws raug nquahu kom sab laj nrog tus kws kho mob tsim nyog ua ntej txiav txim siab siv nws.
Nws tsim nyog sau cia tias cov teebmeem tanning ntawm MT2 yuav tsum tsis txhob raug pom tias yog ib qho kev hloov rau kev tiv thaiv lub hnub kom zoo. Kev tiv thaiv los ntawm teeb meem UV hluav taws xob tseem yuav tsum tau ua ntej los ntawm kev siv tshuaj pleev thaiv hnub, nrhiav ntxoov ntxoo, thiab hnav khaub ncaws tiv thaiv
