1. Metabolic Enzyme/Protease
  2. Endogenous Metabolite
  3. AFMK


目录号: HY-113314

AFMK 是褪黑激素的一种抗氧化代谢物,可减弱 X 射线诱导的小鼠 DNA、蛋白质和脂质氧化损伤。AFMK 是效果稍低的一种清洁剂,在生理 pH 值下的 pKa 为 8.7。具有抗氧化活性。AFMK 可通过调节细胞凋亡途径提高 Gemcitabine 在 PANC-1 细胞中的抗肿瘤作用。

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AFMK Chemical Structure

AFMK Chemical Structure

CAS No. : 52450-38-1

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AFMK, antioxidant metabolite of Melatonin, attenuates X-ray-induced oxidative damage to DNA, proteins and lipids in mice. AFMK is a poorer scavenger. The pKa of AFMK at physiological pH is 8.7. Antioxidant capacity[1][2]. AFMK improves the anti-tumor effect of Gemcitabine in PANC-1 cells through the modulation of apoptotic pathway[3].

IC50 & Target

Human Endogenous Metabolite


(In Vitro)

AFMK is one of the metabolites of melatonin and can be formed by both enzymatic or pseudoenzymatic and nonenzymatic metabolic pathways[1].
AFMK pretreatment significantly inhibits DNA damage. AFMK shows a very high level of in vitro hydroxyl radical scavenging potential which was measured by an electron spin resonance (ESR) study. IC50 values resulting from ESR analysis was 338.08 nM. AFMK, a melatonin metabolite, is a sparingly investigated biogenic amine[2].
AFMK administered to PANC-1 in combination with Gemcitabine inhibits the production of HSP70 and cIAP-2 as compared to the results obtained with Gemcitabine alone[3].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Western Blot Analysis[3]

Cell Line: Human pancreatic carcinoma cell line (PANC-1)
Concentration: 0.001, 0.1, 10, 1000 nM
Incubation Time:
Result: Augmented the inhibitory effects on HSP70 expression from 0.47 (Gemcitabine alone) to 0.13 (10 nM AFMK), 0.08 (0.1 nM AFMK) and 0.01 (0.001 nM AFMK).
(In Vivo)

AFMK is a potent antioxidant in vivo. AFMK significantly reverses radiation-induced decline in the total antioxidant capacity of plasma in mice[2].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Male C57BL mice 8 wk of age[2]
Dosage: 10 mg/kg body weight
Administration: Intraperitoneal injection
Result: Radiation-induced decline in the total antioxidant capacity of plasma was significantly reversed in AFMK pretreated mice.
AFMK-pretreated irradiated groups showed a significantly lower value of comet tail length and % DNA in tail.





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