Ezetimibe

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Ezetimibe Hyperlipidemia I-Whare/USP 24511  


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WHAKAMAHI HUA

Papamuri

Ko te Ezetimibe he aukati kaha me te hou mo te whakauru cholesterol [1].

Ko te Cholesterol he ngota ngota lipid me te hiahia ki te hanga me te pupuri i nga kiriuhi kia tika te hanganga me te wai.Ano hoki, ka noho hei kaikawe mo te huaora D, te waikawa papa me nga homoni steroid.

I roto i nga momo rereke o te Caco-2 kua whakauruhia ki te carotenoid (1 μM), ezetimibe (10 mg / L) te aukati i te kawe carotenoid me te 50% te aukati mo te ɑ-carotene me te β-carotene.Ano hoki, i aukati te kawe i te β-cryptoxanthin, lycopene me te lutein:zeaxanthin(1:1).I te wa ano, ko te ezetimibe te aukati i te kawe cholesterol ma te 31%.I whakaitihia e Ezetimibe te whakaaturanga o nga kaiwhakawhiwhi mata SR-BI, ATP herea rīpene kawe, te whanau A (ABCA1), Niemann-Pick momo C1 Pēnei i te 1 pūmua (NPC1L1) me te kaikawe waikawa retinoid (RAR)γ, sterol-regulatory huānga here pūmua SREBP -1 me te SREBP-2, me te ate X receptor (LXR)β [3].

I roto i nga kiore apolipoprotein E knockout (apoE-/-), ko te ezetimibe (3 mg/kg) te aukati i te whakauru cholesterol ma te 90%.Ko te Ezetimibe te whakaheke i te cholesterol plasma, te whakanui ake i nga taumata HDL, me te aukati i te ahunga whakamua o te atherosclerosis [1].I te waahanga III o nga whakamatautau tangata, ko te Ezetimibe (10 mg) i tino whakahekehia nga taumata o te LDL cholesterol, te katoa o te cholesterol me te triglycerides me te whakanui ake i te taumata o te HDL cholesterol [2].

Tohutoro:
[1].Davis HR Jr, Compton DS, Hoos L, et al.Ko te Ezetimibe, he aukati whakaheke cholesterol kaha, ka aukati i te whakawhanaketanga o te atherosclerosis i roto i te ApoE knockout kiore.Arterioscler Thromb Vasc Biol, 2001, 21(12): 2032-2038.
[2].Clader JW.Te kitenga o te ezetimibe: he tirohanga mai i waho o te kaiwhakawhiwhi.J Med Chem, 2004, 47(1): 1-9.
[3].I te wa A, Dawson HD, Harrison EH.Ka whakahekehia te kawe Carotenoid me te whakaputanga o nga kaikawe lipid SR-BI, NPC1L1, me ABCA1 kua whakahekehia i roto i nga ruma Caco-2 e rongoatia ana me te ezetimibe.J Nutr, 2005, 135(10): 2305-2312.

Whakaahuatanga

Ko te Ezetimibe (SCH 58235) he aukati kaha ki te whakauru cholesterol.Ko Ezetimibe te Niemann-Pick C1-like1 (NPC1L1) aukati, a, he kaha te Nrf2 activator.

In Vitro

Ka mahi a Ezetimibe (Eze) hei kaiwhakaoho Nrf2 kaha me te kore e pa ki te cytotoxicity.Ka whakanui a Ezetimibe i te whakawhitinga o te Nrf2, e whakaatuhia ana e te kairīpoata luciferase assay.Ezetimibe hoki upregulates Nrf2 ira ūnga, tae atu GSTA1, heme oxygenase-1 (HO-1) me Nqo-1 i roto i Hepa1c1c7 me MEF pūtau.Ezetimibe upregulates Nrf2 ira ira i roto i te Nrf2 +/+ MEF pūtau, i te mea kua tino aukatia tenei whakaurunga i roto i nga pūtau Nrf2-/- MEF.Ka huihuia, ka mahi a Ezetimibe hei kaituhi pukapuka Nrf2 i roto i te ROS-motuhake [1].Ko nga hepatocytes huh7 tangata he mea rongoa ki te Ezetimibe (10μM, 1 h) me te incubated ki te waikawa palmitic (PA, 0.5 mM, 24 h) ki te hanga steatosis ate.Ko te maimoatanga o te Ezetimibe ka tino whakaiti i nga taumata o te PA-whakanuia te triglycerides (TG), e rite ana ki ta maatau rangahau kararehe.Ko te maimoatanga o te PA i puta mai i te 20% te heke iho o te whakaaturanga mRNA o ATG5, ATG6, me ATG7, kua piki ake e te maimoatanga Ezetimibe.I tua atu, ko te maimoatanga a Ezetimibe i tino whakanui ake i te whakahekenga PA i roto i te nui o te pūmua LC3 [2].

Kare ano a MCE i whakapumau takitahi i te tika o enei tikanga.He tohutoro anake.

Ko te whakahaeretanga o te Ezetimibe (Eze) ka whakaiti i te taumaha ate o nga kiore i whangaihia te kai methionine-me te choline-deficient (MCD).He rite tenei ki nga painga o te Ezetimibe mo te steatosis ate.E whakaatu ana te hitori o te ate he maha nga topata ngako macrovesicular i roto i nga kiore i runga i te kai MCD, engari ko te maimoatanga a Ezetimibe ka tino heke te maha me te rahi o aua tete.I tua atu, ko te fibrosis hepatic i roto i nga kiore i whangaihia te kai MCD ka tino whakahekehia e Ezetimibe [1].Ko nga taumata lipid toto me te ate tae atu ki te TG, nga waikawa ngako kore utu (FFA), me te cholesterol katoa (TC) ka tino heke i roto i nga kiore OLETF e tukinotia ana e Ezetimibe.I tua atu, ko nga kiore OLETF e whakaatu ana i nga taumata serum teitei o te glucose, insulin, HOMA-IR, TG, FFA, me te TC atu i nga kararehe LETF, e tino whakahekehia ana e Ezetimibe.I tua atu, i tohuhia e te tātaritanga hitori ko nga kiore whakahaere OLETF i whakaatu i nga maturuturutanga lipid nui ake i roto i nga hepatocytes atu i nga mana LETO tau-tau, ka whakahekehia e te whakahaere a Ezetimibe [2].

Rokiroki

Paura

-20°C

3 tau
 

4°C

2 tau
I te whakarewa

-80°C

6 marama
 

-20°C

1 marama

Hanganga matū

Ezetimibe

Tiwhikete

2018 GMP-2
原料药GMP证书201811(captopril ,thalidomide etc)
GMP-of-PMDA-in-Chanyoo-平成28年08月03日 Nantong-Chanyoo-Pharmatech-Co
FDA-EIR-Letter-201901

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