Open Access

Evaluation of DNA methylation levels of SEPT9 and SHOX2 in plasma of patients with head and neck squamous cell carcinoma using droplet digital PCR

  • Authors:
    • Ilaria Grossi
    • Claudia Assoni
    • Luigi Lorini
    • Davide Smussi
    • Cristina Gurizzan
    • Salvatore Grisanti
    • Alberto Paderno
    • Davide Mattavelli
    • Cesare Piazza
    • Iulia Andreea Pelisenco
    • Giuseppina De Petro
    • Alessandro Salvi
    • Paolo Bossi
  • View Affiliations

  • Published online on: January 31, 2024     https://doi.org/10.3892/or.2024.8711
  • Article Number: 52
  • Copyright: © Grossi et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Head and neck squamous cell carcinoma (HNSCC) is the seventh most commonly diagnosed cancer globally. HNSCC develops from the mucosa of the oral cavity, pharynx and larynx. Methylation levels of septin 9 (SEPT9) and short stature homeobox 2 (SHOX2) genes in circulating cell‑free DNA (ccfDNA) are considered epigenetic biomarkers and have shown predictive value in preliminary reports in HNSCC. Liquid biopsy is a non‑invasive procedure that collects tumor‑derived molecules, including ccfDNA. In the present study, a droplet digital PCR (ddPCR)‑based assay was developed to detect DNA methylation levels of circulating SEPT9 and SHOX2 in the plasma of patients with HNSCC. The assay was first set up using commercial methylated and unmethylated DNA. The dynamic changes in the methylation levels of SEPT9 and SHOX2 were then quantified in 20 patients with HNSCC during follow‑up. The results highlighted: i) The ability of the ddPCR‑based assay to detect very low copies of methylated molecules; ii) the significant decrease in SEPT9 and SHOX2 methylation levels in the plasma of patients with HNSCC at the first time points of follow‑up with respect to T0; iii) a different trend of longitudinally DNA methylation variations in small groups of stratified patients. The absolute and precise quantification of SEPT9 and SHOX2 methylation levels in HNSCC may be useful for studies with translational potential.
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March-2024
Volume 51 Issue 3

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Spandidos Publications style
Grossi I, Assoni C, Lorini L, Smussi D, Gurizzan C, Grisanti S, Paderno A, Mattavelli D, Piazza C, Pelisenco IA, Pelisenco IA, et al: Evaluation of DNA methylation levels of <em>SEPT9</em> and <em>SHOX2</em> in plasma of patients with head and neck squamous cell carcinoma using droplet digital PCR. Oncol Rep 51: 52, 2024
APA
Grossi, I., Assoni, C., Lorini, L., Smussi, D., Gurizzan, C., Grisanti, S. ... Bossi, P. (2024). Evaluation of DNA methylation levels of <em>SEPT9</em> and <em>SHOX2</em> in plasma of patients with head and neck squamous cell carcinoma using droplet digital PCR. Oncology Reports, 51, 52. https://doi.org/10.3892/or.2024.8711
MLA
Grossi, I., Assoni, C., Lorini, L., Smussi, D., Gurizzan, C., Grisanti, S., Paderno, A., Mattavelli, D., Piazza, C., Pelisenco, I. A., De Petro, G., Salvi, A., Bossi, P."Evaluation of DNA methylation levels of <em>SEPT9</em> and <em>SHOX2</em> in plasma of patients with head and neck squamous cell carcinoma using droplet digital PCR". Oncology Reports 51.3 (2024): 52.
Chicago
Grossi, I., Assoni, C., Lorini, L., Smussi, D., Gurizzan, C., Grisanti, S., Paderno, A., Mattavelli, D., Piazza, C., Pelisenco, I. A., De Petro, G., Salvi, A., Bossi, P."Evaluation of DNA methylation levels of <em>SEPT9</em> and <em>SHOX2</em> in plasma of patients with head and neck squamous cell carcinoma using droplet digital PCR". Oncology Reports 51, no. 3 (2024): 52. https://doi.org/10.3892/or.2024.8711