Leucovorin Calcium

亚叶酸钙（亚叶酸钙盐五水合物）是一种生物叶酸，通常与甲氨蝶呤 (MTX) 一起作为救援剂给药，以降低 MTX 诱导的毒性。

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货号: ajci16648
CAS: 6035-45-6
别名: 亚叶酸钙,Leucovorin calcium salt pentahydrate
分子式: C21H25CaN7O7.5H2O
分子量: 601.58
纯度: >98%
溶解度: ≥ 15.04mg/mL in Water with gentle warming
储存: 4°C, protect from light
库存: 现货

Background

Folinic acid calcium salt pentahydrate (Leucovorin calcium salt pentahydrate) is a biological folic acid and is generally administered along with methotrexate (MTX) as a rescue agent to decrease MTX-induced toxicity[1].

MTX alone induces a concentration-related increase in % micronucleated binucleated cells (MNBN) and % aberrant cells (Abs). There is a decrease in nuclear division index (NDI) with increase in MTX concentration. Similarly, the mitotic index (MI) also decreases in all concentrations of MTX tested. The addition of Folinic acid at 50 μg/ mL significantly reduces % MNBN (40-68%) and % Abs (36-77%). Inhibition is also seen at 5 μg/ mL Folinic acid (12 to 54% for MNBN and 20 to 61% for Abs) [1].

Folinic acid (7.0 mg/kg; intraperitoneal injection; every second day; for 3 weeks; Balb/c young growing male mice) treatment following methotrexate (MTX) administration appears to reverse this growth inhibition (Chronic administration of MTX induces suppression of skeletal growth in mice)[2].

参考文献:
[1]. Keshava C, et al. Inhibition of methotrexate-induced chromosomal damage by folinic acid in V79 cells. Mutat Res. 1998 Feb 2;397(2):221-8.
[2]. Iqbal MP, et al. Effect of methotrexate and folinic acid on skeletal growth in mice. Acta Paediatr. 2003 Dec;92(12):1438-44.