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HSC-3 is a human oral squamous cell carcinoma (OSCC) cell line commonly used to investigate oral cancer biology, particularly in studies focusing on apoptosis, cell cycle regulation, and cancer treatment. Oral squamous cell carcinoma is the most common type of oral cancer and is associated with poor prognosis due to its high metastatic potential and late-stage diagnosis. HSC-3 cells are derived from a primary tumor and are known for their aggressive properties, making them a relevant model for testing novel anticancer compounds and therapies.
Several studies have demonstrated that HSC-3 cells undergo apoptosis and autophagy in response to natural compounds and anticancer agents. For example, piperine, an alkaloid from black pepper, was found to reduce cell viability and induce apoptosis in a dose-dependent manner. Apoptotic bodies, DNA fragmentation, and increased expression of pro-apoptotic proteins such as Bax were observed in HSC-3 cells treated with piperine. Additionally, piperine was shown to activate both apoptosis and autophagy through inhibition of the PI3K/Akt/mTOR signaling pathway, which is critical for cancer cell proliferation and survival. Similarly, other compounds like berberine and geniposide have also been shown to induce apoptosis by disrupting mitochondrial membrane potential and activating caspase pathways.
The utility of HSC-3 cells extends to in vivo studies, where their use in mouse xenograft models has demonstrated tumor growth inhibition when treated with natural compounds like piperine. These cells serve as a robust platform for evaluating the effectiveness of both traditional and novel cancer therapies.
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Mutational profile: Mutation: CDKN2A, p.Glu120Ter (c.358G>T), homozygous; Mutation: PIK3CA, p.Glu545Gly (c.1634A>G); Mutation: TERT, c.1-124C>T (c.228C>T); Mutation: TP53, p.Lys305fs (c.912_913insTAAG)
- cultureMedium: EMEM (MEM Eagle), w: 2 mM L-Glutamine, w: 2.2 g/L NaHCO3, w: EBSS (Cytion article number 820100a)
- supplements: Supplement the medium with 10% FBS and 1% NEAA
- dissociationReagent: Accutase
- subculturing: Remove the old medium from the adherent cells and wash them with PBS that lacks calcium and magnesium. For T25 flasks, use 3-5 ml of PBS, and for T75 flasks, use 5-10 ml. Then, cover the cells completely with Accutase, using 1-2 ml for T25 flasks and 2.5 ml for T75 flasks. Let the cells incubate at room temperature for 8-10 minutes to detach them. After incubation, gently mix the cells with 10 ml of medium to resuspend them, then centrifuge at 300xg for 3 minutes. Discard the supernatant, resuspend the cells in fresh medium, and transfer them into new flasks that already contain fresh medium.
- freezeMedium: As a cryopreservation medium, use complete growth medium (including FBS) + 10% DMSO for adequate post-thaw viability, or CM-1 (Cytion catalog number 800100), which includes optimized osmoprotectants and metabolic stabilizers to enhance recovery and reduce cryo-induced stress.
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