Igama | Atosiban |
inombolo yeCAS | 90779-69-4 |
Ifomula yemolekyuli | I-C43H67N11O12S2 |
Ubunzima bemolekyuli | 994.19 |
Inombolo ye-EINECS | 806-815-5 |
Indawo yokubilisa | 1469.0±65.0 °C (Kuxelwe kwangaphambili) |
Ukuxinana | 1.254±0.06 g/cm3(Kuxelwe kwangaphambili) |
Iimeko zokugcina | -20°C |
Ukunyibilika | H2O:≤100 mg/mL |
I-atosiban acetate yi-disulfide-bonded cyclic polypeptide equkethe i-9 amino acids.Yimolekyuli ye-oxytocin elungisiweyo kwiindawo ze-1, 2, 4 kunye ne-8. I-N-terminus ye-peptide yi-3-mercaptopropionic acid (thiol kunye neqela le-sulfhydryl ye [Cys] 6 yenza ibhondi ye-disulfide), i-C-terminal ngendlela ye-amide, i-amino acid yesibini kwi-N-terminal i-ethylated modified [D-Tyr (Et)] 2, kunye ne-atosiban acetate isetyenziselwa amayeza njengeviniga Ikhona kwimo yetyuwa ye-asidi, ngokuqhelekileyo. eyaziwa ngokuba yi-atosiban acetate.
I-Atosiban yi-oxytocin kunye ne-vasopressin ye-V1A edibeneyo ye-receptor antagonist, i-oxytocin receptor ifana nesakhiwo esifana ne-vasopressin V1A receptor.Xa i-oxytocin receptor ivaliwe, i-oxytocin isenokuthi isebenze nge-V1A receptor, ngoko ke kuyimfuneko ukuvala iindlela ezimbini ze-receptor ngexesha elifanayo, kunye ne-antagonism enye ye-receptor enye inokuthintela ngokufanelekileyo ukuchithwa kwe-uterine.Esi sesinye sezizathu eziphambili zokuba kutheni i-β-receptor agonists, i-calcium channel blockers kunye ne-prostaglandin synthase inhibitors ayikwazi ukuthintela ngokufanelekileyo ukuchithwa kwesibeleko.
I-Atosiban ngumchasi we-receptor odibeneyo we-oxytocin kunye ne-vasopressin V1A, ukwakheka kweekhemikhali kufana nezi zibini, kwaye inobudlelwane obuphezulu be-receptors, kwaye ikhuphisana ne-oxytocin kunye ne-vasopressin V1A receptors, ngaloo ndlela ivimbela indlela yesenzo se-oxytocin kunye ne-vasopressin kunye nokunciphisa. ukuqhawuka kwesibeleko.