Introduction. Stage IIB cervical cancer (CC) is an advanced stage CC with poor prognosis. Inflammatory response plays a crucial role in the development of CC, and systemic inflammatory indexes were related to the prognosis in several cancers. The objective of the study was to determine the prognostic value of platelet-to-lymphocyte ratio (PLR), neutrophil-to-lymphocyte ratio (NLR), monocyte-to-lymphocyte ratio (MLR), basophil-to-lymphocyte ratio (BLR), and systemic inflammation response index (SIRI) as inflammatory indexes in patients with stage IIB CC. Materials and Methods. A retrospective study was performed in 260 patients with stage IIB CC. PLR, NLR, MLR, BLR, and SIRI were obtained from routine blood tests. Prognosis information of the patients was acquired from regular clinical follow-up. Recurrence and response to therapy were determined through electronic medical records (EMRs). Correlations of the inflammatory indexes with overall survival (OS), progression-free survival (PFS), recurrence, and response to therapy were analyzed using SPSS version 26.0 software. Results. Receiver operating characteristic (ROC) curve analyses suggested that NLR, MLR, and SIRI had better predictive value than PLR as well as BLR in the prognosis and recurrence risk. Both univariate and multivariate survival analyses showed that higher NLR and MLR were significantly associated with shorter OS as well as PFS, whereas SIRI was not an independent predictive factor of PFS. Chi-square test results revealed that increased NLR was significantly correlated with higher recurrence rate ( P = 0.046 ), and increased MLR showed significant correlation with elevated recurrence risk ( P = 0.002 ). Univariate and binary logistic regression analyses for response to therapy indicated that elevated NLR was associated with decreased complete remission (CR) rate ( P = 0.031 ), and the P value lost statistical significance while being adjusted by tumor size ( P = 0.108 ). Conclusions. For patients with stage IIB CC, both NLR and MLR are independent prognostic factors as well as risk factors for recurrence; NLR serves as a potential marker for therapeutic response.
Cisplatin resistance is still one of the main reasons for failure of clinical therapy for cervical cancer. But the underlying molecular mechanisms involved in cisplatin resistance of cervical cancer have still remained unclear. Recent studies reported that long noncoding RNAs (lncRNAs) are novel nonprotein-coding transcripts, which might play a key role in cancer biogenesis and prognosis. One of the lncRNAs, urothelial cancer associated 1 (UCA1), has been shown to promote different types of cancer cell proliferation, migration, and invasion. This study showed that overexpression of UCA1 confers cisplatin resistance by promoting cancer cell proliferation and inhibiting apoptosis. In addition, knockdown of UCA1 remarkably decreased cisplatin resistance in cervical cancer cells. Moreover, results also indicated that UCA1 was involved in signaling pathways modulating cell apoptosis and proliferation. UCA1 suppressed apoptosis by downregulating caspase 3 and upregulating CDK2, whereas enhanced cell proliferation by increased level of survivin and decreased level of p21. This study reports for the first time that UCA1 might play an important role in the cisplatin resistance in cervical cancer, and also explain partially how UCA1 promotes cisplatin resistance in cancer cells. These results provide evidence to support that UCA1 can be used as a potential target for a novel therapeutic strategy for cervical cancer.
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