Abstract

Abstract Identification of cancer stem cells (CSCs), their multilineage potential, and their ability of self-renewal have revolutionised the current concepts of cancer treatment. The suspected role of CSCs in cancer initiation, progression and relapse with the observed resistance to conventional cancer treatments has led to the development of more specific and targeted therapies. Identification of the properties of stem cells (SCs) and their potential for localisation in cancer has made targeted anti-cancer treatment possible by incorporating some modifications into these SCs. The same concept has been applied to the treatment strategy for head and neck squamous cell carcinoma (HNSCC) to control the relapse and improve the mortality rates in patients. This review aims to discuss the role of CSCs in the course and relapse of HNSCC, various surface markers for their identification and SC-targeted therapy options for the treatment of HNSCC, with a highlight on the advantages, shortcomings, opportunities and challenges to SC therapy in head and neck squamous cell carcinoma, treatment and scope for future research.

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