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TRPA1: A Potential Prognostic Indicator for Oral Squamous Cell Carcinoma

Chakraborty, R.; Jabeen, A.; Hu, H.; Darido, C.; Vickery, K.; Ranganathan, S.

2021-11-30 cell biology
10.1101/2021.11.29.470496 bioRxiv
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IntroductionTransient receptors are related to oral cancer pain. Previously capsaicin (TRPV1 agonist) was shown to induce cell death in oral cancer cells. We hypothesised that these receptors are present in oral cancer. MethodWe examined the presence of cannabinoid receptors (CB1 and CB2) and targets (TRPV1, TRPA1, CaV 3.1, CaV 3.2, CaV 3.3) via quantitative polymerase chain reaction (qPCR) in oral cancer cells SCC4, SCC9, SCC25, Cal27, and normal oral cell line OKF6. ResultCannabinoid receptors are absent in all the cell lines, while TRPA1 is only present in normal cells, but absent in all the oral cancer cell lines. Voltage-gated calcium channels are present in all the cell lines. Conclusion and Future AspectsTRPA1 could be the possible future prognostic indicator of oral squamous cell carcinoma. Future functionality assays could use precancerous cell lines to follow the loss of TRPA1.

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