Igama | Atosiban |
Inombolo ye-CAS | 90779-69-4 |
Ifomula yamangqamuzana | I-C43H67N11O12S2 |
Isisindo samangqamuzana | 994.19 |
Inombolo ye-EINECS | 806-815-5 |
Iphuzu elibilayo | 1469.0±65.0 °C (Kubikezelwe) |
Ukuminyana | 1.254±0.06 g/cm3(Kubikezelwe) |
Izimo zokugcina | -20°C |
Ukuncibilika | I-H2O:≤100 mg/mL |
I-Atosiban acetate iyi-polypeptide eyi-disulfide-bonded cyclic ehlanganisa ama-amino acid ayi-9.Kuyi-molecule ye-oxytocin eguquliwe ezindaweni 1, 2, 4 kanye no-8. I-N-terminus ye-peptide yi-3-mercaptopropionic acid (thiol kanye neqembu le-sulfhydryl le- [Cys] 6 lakha ibhondi ye-disulfide), i-C-terminal ngesimo se-amide, i-amino acid yesibili ku-N-terminal iyi-ethylated modified [D-Tyr(Et)]2, futhi i-atosiban acetate isetshenziswa emithini njengoviniga Ikhona ngesimo sikasawoti we-asidi, ngokuvamile. eyaziwa ngokuthi i-atosiban acetate.
I-Atosiban iyi-oxytocin kanye ne-vasopressin V1A ehlanganisiwe ye-receptor antagonist, i-oxytocin receptor ifana nesakhiwo se-vasopressin V1A receptor.Uma i-oxytocin receptor ivinjiwe, i-oxytocin isengakwazi ukusebenza ngesamukeli se-V1A, ngakho-ke kuyadingeka ukuvimba izindlela ezimbili zama-receptor ezingenhla ngesikhathi esisodwa, futhi ukuphikiswa okukodwa kwesamukeli esisodwa kunganqanda ngempumelelo ukufinyela kwesibeletho.Lesi futhi esinye sezizathu eziyinhloko zokuthi kungani ama-β-receptor agonists, i-calcium channel blockers kanye ne-prostaglandin synthase inhibitors engakwazi ukuvimbela ngokuphumelelayo ukufinyela kwesibeletho.
I-Atosiban iyinhlangano ehlangene ye-receptor antagonist ye-oxytocin ne-vasopressin V1A, ukwakheka kwayo kwamakhemikhali kufana nalokhu okubili, futhi inobudlelwane obuphezulu be-receptors, futhi iqhudelana ne-oxytocin ne-vasopressin V1A receptors, ngaleyo ndlela ivimbe indlela yesenzo se-oxytocin ne-vasopressin nokunciphisa. ukufinyela kwesibeletho.