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- W4377012740 abstract "Background: Neoadjuvant chemotherapy (NACT) before radical hysterectomy has been widely used for locally advanced cervical cancer (LACC); However, its efficacy is yet to be determined. Methods: Effective and predictive biomarkers, which may aid in predicting the chemotherapy responses, were explored in this study. Initially, the expression of HIF-1α, VEGF-A, and Ki67 was detected in 42 paired (pre-NACT and post-NACT) LACC tissues, as well as 40 nonneoplastic cervical epithelial tissues by immunohistochemistry. Then, the correlation of the expression of HIF-1α, VEGF-A, Ki67 with the efficacy of NACT, as well as factors that affect the efficacy of NACT was analyzed. Results: A clinical response occurred in 66.7% (28/42) of the patients, including 57.1% (16/28) with a complete response and 42.9% (12/28) with a partial response; While 33.33% (14/42) were non-responders, including 42.9% (6/14) with stable disease and 57.1% (8/14) with progressive disease. HIF-1α, VEGF-A, and Ki67 were overexpressed in LACC tissues compared to nonneoplastic tissues ( P < .01, respectively); While the expression of HIF-1α, VEGF-A, and Ki67 was significantly decreased after NACT ( P < .01, respectively). What’s more, in the response group, HIF-1α, VEGF-A, and Ki67 expression were significantly decreased after chemotherapy in the post-chemotherapy cervical cancer tissues compared with the pre-chemotherapy cervical cancer tissues (all P < .05). Additionally, patients with lower histological grade and lower expression of HIF-1α, VEGF-A, and Ki67 were more responsive to NACT ( P < .05, respectively); Moreover, the histological grade [P = .025, HR (95% CI): 0.133 (0.023–0.777)], HIF-1α [P = .019, HR (95% CI): 0.599 (0.390–0.918)], and Ki67 [ P = .036, HR (95% CI): 0.946 (0898–0.996)] were independent risk factors affecting the efficacy of NACT in LACC. Conclusion: Expression of HIF-1α, VEGF-A, and Ki67 were significantly decreased after NACT, and decreasing expression of HIF-1α, VEGF-A, and Ki67 were related to good response to NACT, suggesting HIF-1α, VEGF-A, and Ki67 may be implicated in evaluating the efficacy of NACT in LACC." @default.
- W4377012740 created "2023-05-19" @default.
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- W4377012740 date "2023-05-19" @default.
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- W4377012740 title "Decreasing expression of HIF-1α, VEGF-A, and Ki67 with efficacy of neoadjuvant therapy in locally advanced cervical cancer" @default.
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- W4377012740 doi "https://doi.org/10.1097/md.0000000000033820" @default.
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