Ingoa | Atosiban |
nama CAS | 90779-69-4 |
tātai rāpoi ngota | C43H67N11O12S2 |
Te taumaha ngota | 994.19 |
Tau EINECS | 806-815-5 |
Kohuatanga | 1469.0±65.0 °C (Te Matapae) |
Kiato | 1.254±0.06 g/cm3(I Matapaetia) |
Nga tikanga rokiroki | -20°C |
Wairewa | H2O: ≤100 mg/mL |
Ko te Atosiban acetate he polypeptide cyclic here-disulfide e 9 nga waikawa amino.He ngota ngota oxytocin kua whakarereketia i nga waahi 1, 2, 4 me 8. Ko te N-terminus o te peptide he waikawa 3-mercaptopropionic (thiol me Ko te roopu sulfhydryl o [Cys]6 ka hanga he here disulfide), ko te C-terminal he i roto i te ahua o te amide, ko te waikawa amino tuarua kei te N-terminal he ethylated [D-Tyr(Et)]2, ka whakamahia te acetate atosiban i roto i nga rongoa hei winika Kei te ahua o te tote waikawa, te nuinga. e mohiotia ana ko te atosiban acetate.
Ko te Atosiban he oxytocin me te vasopressin V1A he kaiwhakawhanake kaiawhina whakahiato, he rite tonu te hanganga o te kaiawhina oxytocin ki te kaitoha vasopressin V1A.I te wa e aukatihia ana te kaitoi oxytocin, ka taea tonu e te oxytocin te mahi na roto i te kaiwhakawhiwhi V1A, na he mea tika ki te aukati i nga huarahi e rua o runga ake nei i te wa kotahi, a, ka taea e te antagonism kotahi o tetahi kaiwhiwhi te whakakore i te whakawhitinga o te kopu.Koinei hoki tetahi o nga tino take e kore ai e taea e te hunga agonists β-receptor, te aukati hongere konupūmā me te aukati synthase prostaglandin te aukati i te whakahekenga o te uterine.
Ko te Atosiban he kaiwhakawhanake antagonist o te oxytocin me te vasopressin V1A, he rite tona hanganga matū ki nga mea e rua, a he nui te hononga mo nga kaiwhiwhi, me te whakataetae ki te oxytocin me te vasopressin V1A kaiwhiwhi, na reira ka aukati i te huarahi mahi o te oxytocin me te vasopressin me te whakaiti te whakaheke uterine.