SML0040
洛美曲索水合物
≥95% (HPLC), powder, GARFTase inhibitor
别名:
LY 264618水合物, N-[4-[2-[(6R)-2-氨基-3,4,5,6,7,8-四氢-4-氧吡啶并[2,3-d]嘧啶-6-基]乙基]苯甲酰基]-L-谷氨酸水合物
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关于此项目
经验公式（希尔记法）:
C21H25N5O6 · xH2O
化学文摘社编号:
分子量:
443.45 (anhydrous basis)
UNSPSC代码:
12352200
PubChem化学物质编号:
NACRES:
NA.77
产品名称
洛美曲索水合物, ≥95% (HPLC)
质量水平
方案
≥95% (HPLC)
表单
powder
颜色
white to light yellow
溶解性
DMSO: ≥5 mg/mL
储存温度
2-8°C
SMILES字符串
O.NC1=NC(=O)C2=C(NC[C@H](CCc3ccc(cc3)C(=O)N[C@@H](CCC(O)=O)C(O)=O)C2)N1
InChI
1S/C21H25N5O6.H2O/c22-21-25-17-14(19(30)26-21)9-12(10-23-17)2-1-11-3-5-13(6-4-11)18(29)24-15(20(31)32)7-8-16(27)28;/h3-6,12,15H,1-2,7-10H2,(H,24,29)(H,27,28)(H,31,32)(H4,22,23,25,26,30);1H2/t12-,15+;/m1./s1
InChI key
AEFQSKJUVDZANQ-YLCXCWDSSA-N
应用
使用洛美曲索水合物比较人GARFTase有效抑制剂的生物学活性。
生化/生理作用
甘氨酰胺核糖核苷酸甲酰基转移酶（GARFTase）是从头嘌呤合成所需的叶酸依赖性酶。 洛美曲索是GARFTase的有效抑制剂，但不会干扰叶酸合成中涉及的酶。 已在临床上测试了洛美曲索作为一种类似于甲氨蝶呤的抗叶酸药物，用于治疗各种癌症。 用洛美曲索治疗可迅速降低ATP和GTP水平，使细胞周期停滞并诱导细胞凋亡。 尽管核苷酸库的消耗会诱导p53表达，但洛美曲索在野生型和突变型表达p53的肿瘤细胞中均具有细胞毒性。 洛美曲索对CCRF-CEm白血病细胞具有细胞毒性，IC50为2.9 nM。
甘氨酰胺核糖核苷酸甲酰转移酶抑制剂
警示用语：
Danger
危险声明
危险分类
Acute Tox. 3 Oral
储存分类代码
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
Robert Mauritz et al.
Biochemical pharmacology, 63(2), 105-115 (2002-02-14)
We determined the mechanisms of resistance of human CCRF-CEM leukemia cells to methotrexate (MTX) vs. those to six novel antifolates: the polyglutamatable thymidylate synthase (TS) inhibitors ZD1694, multitargeted antifolate, pemetrexed, ALIMTA (MTA) and GW1843U89, the non-polyglutamatable inhibitors of TS, ZD9331
New agents in cancer clinical trials.
J Adams et al.
Oncogene, 19(56), 6687-6692 (2001-06-28)
Julie L Bronder et al.
Cancer research, 62(18), 5236-5241 (2002-09-18)
The class of folate antimetabolites typified by (6R)-dideazatetrahydrofolate (lometrexol, DDATHF) are specific inhibitors of de novo purine synthesis because of potent inhibition of glycinamide ribonucleotide formyltransferase (GART) but do not induce detectable levels of DNA strand breaks. As such, they
D R Newell
Seminars in oncology, 26(2 Suppl 6), 74-81 (1999-12-22)
Antifolate drugs, as a class, have broad-spectrum activity against both hematologic and solid human malignancies. The pharmacokinetics of the classical antifolate methotrexate have been well-defined and pharmacokinetic data can be exploited to reduce the toxicity and enhance the activity of
R Zhao et al.
Clinical cancer research : an official journal of the American Association for Cancer Research, 6(8), 3304-3311 (2000-08-24)
A murine leukemia cell line was identified that is highly resistant to methotrexate (MTX), due to impaired transport, but fully sensitive to 5,10-dideazatetrahydrofolate (DDATHF). A valine-to-methionine substitution at amino acid 104 in the reduced folate carrier (RFC1) explains this disparity
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