المراجع (Citations)
8 publicationsمنشورات الباحثين الذين استخدموا هذا المنتجالوصف (Description)
Palmitic acid is a 16-carbon long-chain saturated fatty acid that can post-translationally modify proteins [1]. Palmitic acid can reduce the expressions of p-STAT3, p-JAK2, n-cadherin and vimentin, inhibit the nuclear localization of p-STAT3, and thereby suppress tumor cell metastasis and proliferation[2]. Palmitic acid has been widely used to enhance the signal transduction induced by TLR4 and to strengthen the inflammatory response[3].
In vitro, Palmitic acid treatment for 72 hours significantly inhibited the viability of Ishikawa cells and ECC-1 cells, with IC50 values of 348.2µM and 187.3µM, respectively[4]. Treatment with 300μM Palmitic acid for 24 hours significantly induced the production of reactive oxygen species (ROS) in HepG2 cells and led to a decrease in mitochondrial membrane potential[5]. 150μM of Palmitic acid treatment for 12 hours significantly promoted the maturation of monocyte-derived dendritic cells (MoDCs) and the secretion of IL-1β[6].
In vivo, Palmitic acid treatment via intraperitoneal injection at a dose of 50mg/kg/day for 18 days significantly inhibited the tumor growth in the SGC-7901 xenograft mouse model, without affecting body weight[7]. A single intraperitoneal injection of 30μmol (50μl) of Palmitic acid reduced the locomotor activity of mice within 2 hours, induced anxiety-like behaviors in mice, and simultaneously increased serotonin metabolism mediated by the amygdala[8].
References:
[1] Fatima S, Hu X, Gong R H, et al. Palmitic acid is an intracellular signaling molecule involved in disease development[J]. Cellular and Molecular Life Sciences, 2019, 76(13): 2547-2557.
[2] Wang X, Zhang C, Bao N. Molecular mechanism of palmitic acid and its derivatives in tumor progression[J]. Frontiers in oncology, 2023, 13: 1224125.
[3] Korbecki J, Bajdak-Rusinek K. The effect of palmitic acid on inflammatory response in macrophages: an overview of molecular mechanisms[J]. Inflammation Research, 2019, 68(11): 915-932.
[4] Zhao Z, Wang J, Kong W, et al. Palmitic acid exerts anti-tumorigenic activities by modulating cellular stress and lipid droplet formation in endometrial cancer[J]. Biomolecules, 2024, 14(5): 601.
[5] Alnahdi A, John A, Raza H. Augmentation of glucotoxicity, oxidative stress, apoptosis and mitochondrial dysfunction in HepG2 cells by palmitic acid[J]. Nutrients, 2019, 11(9): 1979.
[6] Nicholas D A, Zhang K, Hung C, et al. Palmitic acid is a toll-like receptor 4 ligand that induces human dendritic cell secretion of IL-1β[J]. PloS one, 2017, 12(5): e0176793.
[7] Yu X, Peng W, Wang Y, et al. Palmitic acid inhibits the growth and metastasis of gastric cancer by blocking the STAT3 signaling pathway[J]. Cancers, 2023, 15(2): 388.
[8] Moon M L, Joesting J J, Lawson M A, et al. The saturated fatty acid, palmitic acid, induces anxiety-like behavior in mice[J]. Metabolism, 2014, 63(9): 1131-1140.
البروتوكول (Protocol)
| Cell experiment [1]: | |
Cell lines | Ishikawa cells |
Preparation Method | Preparation of Palmitic acid working solution: Add 78μl of anhydrous ethanol to 1mg Palmitic acid and dissolve to 50mM stock solution (ultrasonic heating for 3min; 37°C); Take an appropriate amount of Fatty acid free BSA Add DMEM culture medium to prepare a 10% BSA solution (100mg/ml). Take 5μl of Palmitic acid stock solution (50mM), add 100μl of BSA solution (10%), mix well (ultrasonic heating for 3min; 37°C), add 895μl of DMEM culture medium, mix well (ultrasonic heating for 3min; 37°C) to prepare 0.25mM Palmitic acid working solution. Ishikawa cells were cultured in DMEM/F-12 medium enriched with 10% fetal bovine serum (FBS) and 1% antimycotic-antibiotic at 37°C in 5% CO2/atmosphere. Cells were seeded at a density of 2×104 cells/ml in the 96-well plates and allowed to adhere in a 5% CO2 incubator at 37°C for 24h. The cells were treated with different concentrations of Palmitic acid (0, 0.1, 1, 10, 50, 100, and 250μM) for 96h. The cell viability was evaluated. |
Reaction Conditions | 0, 0.1, 1, 10, 50, 100, and 250μM; 96h |
Applications | Palmitic acid treatment significantly inhibited cell viability of Ishikawa cells in a dose-dependent manner. |
| Animal experiment [2]: | |
Animal models | Male BALB/c nude mice |
Preparation Method | Male BALB/c nude mice (6-week-old; 18-22g) were housed in a room with controlled temperature (21-23°C), humidity (55%-60%) and lighting (12h light/dark cycle) and were supplied with water ad libitum. Approximately 5×106 SGC-7901 cells were injected into the flanks of the nude mice to establish a human gastric cancer syngeneic s.c. xenograft model. When the cancer volume reached approximately 50mm3, Palmitic acid was administered via i.p. injections once daily at the designed doses (50mg/kg or vehicle) for 18 days. Cancer growth and mouse body weights were measured every other day throughout the experiment. Cancer volumes (mm3) were calculated as 0.5×length (mm)×width2(mm). |
Dosage form | 50mg/kg/day; 18 days; i.p. |
Applications | Palmitic acid treatment significantly inhibited the tumor growth in the SGC-7901 xenograft mouse model, without affecting body weight. |
References: | |
وثائق المنتج (Product Documents)
الخصائص الكيميائية (Chemical Properties)
الحاسبات (Calculators)المولارية / التخفيف / الوزن الجزيئي / تحويل الوحدات / تركيبة داخل الجسم الحي / الذوبانية
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