77.Doxorubicin與daunorubicin之結構差異在於前者比後者:
(A)多一個NH2
(B)少一個NH2
(C)多一個OH
(D)少一個OH
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統計: A(336), B(468), C(3521), D(606), E(0) #537388
統計: A(336), B(468), C(3521), D(606), E(0) #537388
詳解 (共 9 筆)
#1246475
Doxorubicin比Daunorubicin多一個OH
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#4148121
Doxorubicin比Daunorubicin在C13多一個OH,造成代謝變慢,半衰期變長
C13的corbonyl被心肌還原成Doxorubicinol(活性代謝物)會造成心毒性。
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#4982684

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#854781
Daunorubicin or daunomycin is chemotherapeutic of the anthracycline family that is given as a treatment for some types of cancer.
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#854780
Doxorubicin INN, also known as hydroxydaunorubicin, is a drug used in cancer chemotherapy.
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#5189697
Anthracycline:經還原酶形成Hydroquinone+超氧離子
> 結構:胺醣類、O-glycoside、C7-L-daunosamine、Fe2+螯合C11、12
> 嵌入DNA,抑制Topo II
> Hydroquinone產自由基(Doxorubicinol→心毒性)
| Doxorubicin(小紅莓) | 廣泛:治乳癌、肺癌、急性白血病(淋巴性ALL、骨髓性AML) |
| Daunorubicin(C14少一個OH) | 治急性白血病(ALL、AML) |
| Idarubicin(C1少OCH3) | 治急性骨髓性白血病AML |
| Epirubicin | 治乳癌 |
> 副作用:不可逆的劑量依賴心毒性、嚴重掉髮、紅色尿液(Quinone代謝)
***心臟毒性:Daunorubicin、Doxorubicin > Idarubicin、Epirubicin
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