Objective To investigate the relationship between the expression of long non-coding RNA(LncRNA)small nucleolar RNA host gene 11(SNHG11)and hypoxia inducible factor(HIF)-1α and angiogenesis mimicry(VM)in ovarian cancer.Methods A total of 116 ovarian cancer patients admitted to Tangshan Maternal and Child Health Care Hospital from October 2019 to January 2023 were regarded as the research subjects.Based on whether VM had formed,ovarian cancer patients were grouped into VM group(n=51)and non VM group(n=65).Another 50 partients who underwent health examinations during the same period were regarded as the control group.Real-time fluorescence quantitative PCR(qPCR)was applied to detect the expression levels of LncRNA SNHG11 and HIF-1α in serum of ovarian cancer patients and control groups.Spearman correlation was applied to detect the relationship between LncRNA SNHG11,HIF-1α,and VM formation.The diagnostic value of LncRNA SNHG11,HIF-1α,and their combined detection in the formation of VM in ovarian cancer patients was analyzed using the receiver operating characteristic(ROC)curve.Results Compared with the control group,the levels of serum LncRNA SNHG11(3.01±0.88,2.21±0.68 vs 1.12±0.35)and HIF-1α(2.16±0.67,1.60±0.44 vs 1.01±0.31)in ovarian cancer patients with VM group and non VM group were increased(t=12.136,9.006;19.890,16.591,all P＞0.05),the levels of serum LncRNA SNHG11 and HIF-1αin the VM group were obviously higher than those in the non VM group(t=8.957,8.595),and the differences were statistically significant(all P＜0.05).The expression of LncRNA SNHG11,HIF-1α,and the formation of VM were not related to age and tissue type(t=1.036,0.976,0.218;1.254,1.390,0.368,all P＞0.05),but were related to tumor size,FIGO staging,lymph node metastasis,and pathological grading(t=5.351,5.186,13.264;5.465,5.227,10.898;6.063,6.016,5.374;4.030,5.871,5.509,all P＜0.05).Spearman correlation analysis showed that there were obvious positive correlations between LncRNA SNHG11,HIF-1α,and VM generation(r=0.560,0.494,all P<0.05).ROC curve results showed that the areas under the curve(AUCs)of serum LncRNA SNHG11 and HIF-1α for diagnosing VM formation in ovarian cancer patients were 0.860 and 0.824,respectively,with sensitivity of 80.4%and 75.6%,specificity of 58.9%and 51.9%,respectively.The AUC of VM formation in ovarian cancer patients diagnosed by the combination of the two was 0.941,with sensitivity and specificity were 92.2%and 79.9%,respectively.Conclusion The abnormal expressions of LncRNA SNHG11 and HIF-1α were closely related to the formation of VM in ovarian cancer patients,and both may serve as potential biological indicators for judging VM.
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