Microsatellite Instability and Loss of Heterozygosity as Prognostic Markers in Oral Squamous Cell Carcinoma: Molecular Mechanisms, Detection Techniques, and Therapeutic Strategies
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Wiley
2024
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| author | Leyla Arslan Bozdag Sevinç Inan Sibel Elif Gultekin |
| author_facet | Leyla Arslan Bozdag Sevinç Inan Sibel Elif Gultekin Leyla Arslan Bozdag Sevinç Inan Sibel Elif Gultekin |
| collection | Wiley Open Access |
| contents | Microsatellite Instability and Loss of Heterozygosity as Prognostic Markers in Oral Squamous Cell Carcinoma: Molecular Mechanisms, Detection Techniques, and Therapeutic Strategies Leyla Arslan Bozdag Sevinç Inan Sibel Elif Gultekin Genes, Chromosomes and Cancer ABSTRACTThe aim of this study was to conduct a systematic review of research investigating the potential role of microsatellite instability (MSI) and loss of heterozygosity (LOH) in oral squamous cell carcinoma (OSCC), with a focus on molecular mechanisms, detection methods, and therapeutic approaches. Search for articles involved the PubMed and Scopus. Previous retrospective and prospective studies identified variations between oral cancers that exhibit microsatellite stability and LOH. In this search, 294 articles were initially retrieved. Of these, 70 were excluded due to duplication, 106 were identified as ineligible by automated tools, and 24 were excluded as they were published in languages other than English. An additional 94 articles were excluded, 32 of which focused on head and neck cancers broadly, and 8 could not be accessed due to withdrawal. Ultimately, a systematic review was conducted based on 54 selected articles. Among the chromosomes analyzed for MSI and LOH, the highest frequency of LOH was observed on chromosome 9p. The MSI subtype is particularly susceptible to immunotherapeutic methods, such as the use of anti‐PD‐L1 and anti‐CTLA4 antibodies, owing to its strong immunogenicity and ubiquitous expression of immune checkpoint ligands. Given the distinct characteristics and clinical behavior of oral cancer with MSI compared to microsatellite stable disease, it is advisable to incorporate MSI testing into the diagnostic process for all stages of tumor development. This ensured that each patient had received precise and effective treatment. 10.1002/gcc.70002 http://creativecommons.org/licenses/by-nc-nd/4.0/ |
| doi_str_mv | 10.1002/gcc.70002 |
| format | Artículo Open Access |
| id | wiley_oa_10_1002_gcc_70002 |
| institution | Wiley Open Access |
| license_str_mv | http://creativecommons.org/licenses/by-nc-nd/4.0/ |
| publishDate | 2024 |
| publisher | Wiley |
| record_format | wiley_oa |
| spellingShingle | Microsatellite Instability and Loss of Heterozygosity as Prognostic Markers in Oral Squamous Cell Carcinoma: Molecular Mechanisms, Detection Techniques, and Therapeutic Strategies Leyla Arslan Bozdag Sevinç Inan Sibel Elif Gultekin Genes, Chromosomes and Cancer Microsatellite Instability and Loss of Heterozygosity as Prognostic Markers in Oral Squamous Cell Carcinoma: Molecular Mechanisms, Detection Techniques, and Therapeutic Strategies Leyla Arslan Bozdag Sevinç Inan Sibel Elif Gultekin Genes, Chromosomes and Cancer ABSTRACTThe aim of this study was to conduct a systematic review of research investigating the potential role of microsatellite instability (MSI) and loss of heterozygosity (LOH) in oral squamous cell carcinoma (OSCC), with a focus on molecular mechanisms, detection methods, and therapeutic approaches. Search for articles involved the PubMed and Scopus. Previous retrospective and prospective studies identified variations between oral cancers that exhibit microsatellite stability and LOH. In this search, 294 articles were initially retrieved. Of these, 70 were excluded due to duplication, 106 were identified as ineligible by automated tools, and 24 were excluded as they were published in languages other than English. An additional 94 articles were excluded, 32 of which focused on head and neck cancers broadly, and 8 could not be accessed due to withdrawal. Ultimately, a systematic review was conducted based on 54 selected articles. Among the chromosomes analyzed for MSI and LOH, the highest frequency of LOH was observed on chromosome 9p. The MSI subtype is particularly susceptible to immunotherapeutic methods, such as the use of anti‐PD‐L1 and anti‐CTLA4 antibodies, owing to its strong immunogenicity and ubiquitous expression of immune checkpoint ligands. Given the distinct characteristics and clinical behavior of oral cancer with MSI compared to microsatellite stable disease, it is advisable to incorporate MSI testing into the diagnostic process for all stages of tumor development. This ensured that each patient had received precise and effective treatment. 10.1002/gcc.70002 http://creativecommons.org/licenses/by-nc-nd/4.0/ |
| title | Microsatellite Instability and Loss of Heterozygosity as Prognostic Markers in Oral Squamous Cell Carcinoma: Molecular Mechanisms, Detection Techniques, and Therapeutic Strategies |
| topic | Genes, Chromosomes and Cancer |
| url | https://onlinelibrary.wiley.com/doi/10.1002/gcc.70002 |