Lometrexol (DDATHF) hydrate 是一种抗嘌呤类抗叶酸 (antifolate) 药，可抑制甘氨酰胺核糖核苷酸甲酰基转移酶 (GARFT) 的活性，但不会引起可检测水平的 DNA 链断裂。Lometrexol hydrate 可以进一步抑制嘌呤从头合成，导致异常的细胞增殖，凋亡 (apoptosis) 和细胞周期停滞。Lometrexol hydrate 具有抗癌活性。Lometrexol hydrate 还是一种有效的人丝氨酸羟甲基转移酶 1/2 (hSHMT1/2) 抑制剂。

Lometrexol (DDATHF) hydrate, an antipurine antifolate, can inhibit the activity of glycinamide ribonucleotide formyltransferase (GARFT) but do not induce detectable levels of DNA strand breaks. Lometrexol hydrate can further inhibit de novo purine synthesis, causing abnormal cell proliferation and apoptosis, even cell cycle arrest. Lometrexol hydrate has anticancer activity. Lometrexol hydrate also is a potent human Serine hydroxymethyltransferase1/2 (hSHMT1/2) inhibitor.

Solid

Lometrexol (DDATHF) hydrate binds tightly to GART, resulting in a rapid and prolonged depletion of intracellular purine ribonucleotides.
Lometrexol (1-30 μM; 2-10 hours) hydrate induces rapid and complete growth inhibition in L1210 cells.
Lometrexol (1 μM; 2-24 hours) hydrate induces cell cycle arrest in murine leukemia L1210 cells.
has not independently confirmed the accuracy of these methods. They are for reference only.Cell Viability Assay

Lometrexol (DDATHF; i.p.; 15-60 mg/kg; on gestation day 7.5) hydrate induces neural tube defects (NTDs) by disturbing purine metabolism and increases the rate of embryonic resorption and growth retardation in a dose-dependent manner.
Lometrexol (i.p.; 40 mg/kg; on gestation day 7.5) hydrate decreases glycinamide ribonucleotide formyl transferase (GARFT) activity and Changes of ATP, GTP, dATP and dGTP levels.
Lometrexol (i.p.; 40 mg/kg; on gestation day 7.5) hydrate induces abnormal proliferation and apoptosis exist in neural tube defects (NTDs).
has not independently confirmed the accuracy of these methods. They are for reference only.

Room temperature in continental US; may vary elsewhere.

4°C, sealed storage, away from moistur In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

[1]. Xu L, et, al. The effect of inhibiting glycinamide ribonucleotide formyl transferase on the development of neural tube in mice. Nutr Metab (Lond). 2016 Aug 23;13(1):56.
[2]. Scaletti E, et, al. Structural basis of inhibition of the human serine hydroxymethyltransferase SHMT2 by antifolate drugs. FEBS Lett. 2019 Jul;593(14):1863-1873.

In Vitro: DMSO : 40 mg/mL (86.68 mM; Need ultrasonic and warming)配制储备液