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Current Insights on Salivary Gland Adenoid Cystic Carcinoma: Related Genes and Molecular Pathways
Vasileios Zisis1, Konstantinos Poulopoulos1, Nikolaos Shinas2
1Department of Oral Medicine and Pathology, Dental School, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece.
Abstract:
Background/Objectives: Salivary adenoid cystic carcinoma (ACC) is a rare but aggressive neoplasm that predominantly arises from the salivary glands, accounting for a significant proportion of salivary gland cancers. The aim of this literature review is to illustrate the current insights on ACC with regards to related genes and molecular pathways by analyzing original research articles from the period 2015-2025. Methods: An electronic search of literature was performed between January and February 2025 to identify all articles investigating the current insights on salivary gland adenoid cystic carcinoma and its related genes and molecular pathways. The search was conducted using MEDLINE (National Library of Medicine)-PubMed with restrictions concerning the date of publication. In particular, we focused on the period 2015-2025 using the following keywords: Salivary gland adenoid cystic carcinoma AND genes AND molecular pathways. This was followed by a manual search, and references were used to identify relevant articles. Results: In total, 41 articles were identified through the keywords. After the implementation of the time frame 2015-2025, 31 articles remained. Subsequently, by reading the titles and abstracts and thereby excluding non-original research articles and articles written in a language other than English, 23 articles remained. Conclusions: These studies identified 23 relevant genes or pathways whose analysis yielded the most recent data regarding their function. The classification of ACC is multifaceted, encompassing distinct histological subtypes that are crucial for determining prognosis and treatment approaches. Current oncological practices classify ACC based on these histological features alongside emerging genetic and molecular markers that promise to enhance our understanding of the disease's biology. Diagnostic strategies have evolved, leveraging techniques such as biopsy and molecular diagnostics, which have significantly improved the detection and characterization of ACC. Regarding treatment, the management of ACC remains a challenge due to its propensity for local invasion and metastasis, with surgery, radiation, and chemotherapy being the mainstays of therapy. The development of targeted therapies based on ACC's molecular profile will allow for a better prognosis and an enhanced quality of life of patients.
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