ArticleJournal of obstetrics and gynaecology of India2024
Expression of Programmed Death Ligand 1 [PD-L1] and Mismatch Repair Status in Squamous Cell Carcinomas of Cervix.
Article in Journal of obstetrics and gynaecology of India, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed.
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8 authors.
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Abstract
Background and Objectives: To assess mismatch repair (MMR) status and programmed death-ligand 1 (PD-L1) expression in squamous cell carcinomas of the cervix and their association with clinicopathologic parameters. Material and Methods: Expression of PD-L1 and MMR status (MSH2, MSH6, MLH1, and PMS2) was assessed on 50 cases of SCCs of the cervix by immunohistochemistry. Results: 80% of tumor cells and 84% of tumor-infiltrating lymphocytes showed PD-L1 expression. 80% of cases had a combined positive score (CPS) of > 1, whereas 20% had a CPS of < 1. 94% of cases showed pMMR proteins, while 6% showed dMMR. 94% of the SCCs were HPV associated, and 6% were HPV-independent. All HPV-independent SCCs of the cervix showed PD-L1 expression, and all HPV-associated SCCs showed MMR deficiency. Between PD-L1 expression in the tumor and the grade of the tumor, a statistically significant association was noted ( Conclusion: This research highlighted the HPV association in cervical SCCs in the Indian population. Most of the cervical SCCs were HPV-associated. Furthermore, most of the HPV-associated SCCs were MMR stable. This study found no significant association between MMR status and PD-L1 expression in cervical SCCs.
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