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3 Biotech

, 9:178 | Cite as

Differential expression of Helios, Neuropilin-1 and FoxP3 in head and neck squamous cell carcinoma (HNSCC) patients

  • A. A. Mohamed Adil
  • Anil Kumar Bommanabonia
  • Anandraj Vaithy
  • Sateesh Kumar
  • Mohammad Waseem
  • Shazia Jamal
  • Neesar AhmedEmail author
Original Article
  • 33 Downloads

Abstract

In recent years, studies have begun to explore the immune involvement in head and neck tumors. Advanced stage head and neck squamous cell carcinoma (HNSCC) has a poor prognosis with low survival rates with high level of immune infiltrates. Tregs (regulatory T cells) play a crucial role in constructing an immunosuppressive tumor microenvironment. In the present study, we highlighted specific Treg markers and its factors in HNSCC solid tumors and peripheral blood of cancer patients. By histopathology and immunofluorescence staining, we observed differential expression of CD4, CD25, Foxp3, Helios and Neuropilin-1. Further, we analyzed the expression of Foxp3, Helios, Neuropilin-1 and GARP by qPCR and flow cytometry in whole blood and found to be elevated in HNSCC patients in comparison with healthy donors. Additionally, IFN-γ, TGF-β, IL-6, IL-2, IL-10 and TNF-α expressions were also found to be relatively increased in the head and neck cancer patients when compared with healthy donors. Our findings emphasize that Tregs may be involved in promoting tumor progression. Helios and Neuropilin-1 could be potent markers in identifying subsets of Tregs. Association of soluble factors could sculpture the activity of Tregs. With further research, Treg markers and its associated soluble factors could be employed to block Tregs trafficking to the tumor, thus enlightening a potential strategy for targeting human cancers.

Keywords

Squamous cell carcinoma HNSCCs Tregs Foxp3 CD4 Soluble factors 

Notes

Acknowledgements

We would like to thank DST-SERB (No: YSS/2014/000424) Govt. of INDIA and the first author thanks the Maulana Azad national fellowship scheme (UGC) (F1-17.1/2014-15/MANF-2014-15-MUS-PON-44115).

Compliance with ethical standards

Conflict of interest

The authors have no conflicts of interest to declare.

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Copyright information

© King Abdulaziz City for Science and Technology 2019

Authors and Affiliations

  1. 1.School of Life SciencesB S Abdur Rahman Crescent Institute of Science and TechnologyChennaiIndia
  2. 2.Diagnostic Research LaboratoryGorimeduIndia
  3. 3.Departmentof Oral Pathology and MicrobiologyIndira Gandhi Institute of Dental SciencesPillayarkuppamIndia
  4. 4.School of MedicineUniversity of AlabamaBirminghamUSA

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