Objective Recent studies have highlighted the critical role of NUDT19 in the initiation,progression,and prognosis of specific cancer types.However,its involvement in pan-cancer analysis has not been fully characterize...Objective Recent studies have highlighted the critical role of NUDT19 in the initiation,progression,and prognosis of specific cancer types.However,its involvement in pan-cancer analysis has not been fully characterized.This study aims to systematically explore the expression patterns,clinical significance,and immune-related functions of NUDT19 in various cancer types through multi-omics analysis,further revealing its potential role in cancer,particularly its functional and therapeutic target value in leukemia.Methods To achieve this goal,various bioinformatics approaches were employed to evaluate the expression patterns,clinical significance,and immune-related functions of NUDT19 in tumors and normal tissues.Additionally,we analyzed the mutation characteristics of NUDT19 and its relationship with epigenetic modifications.Using the single-cell analysis tool SingleCellBase,we explored the distribution of NUDT19 across different cell subpopulations in tumors.To validate these findings,qRT-PCR was used to measure NUDT19 expression levels in specific tumor cell lines,and we established acute myeloid leukemia(AML)cell lines(HL-60 and THP-1)to conduct NUDT19 knockdown and overexpression experiments,assessing its effects on leukemia cell proliferation,apoptosis,and invasion.Results Pan-cancer analysis revealed the dysregulated expression of NUDT19 across multiple cancer types,which was closely associated with poor prognosis,clinical staging,and diagnostic markers.Furthermore,NUDT19 was significantly correlated with tumor biomarkers,immune-related genes,and immune cell infiltration in different cancers.Mutation analysis showed that multiple mutations in NUDT19 were significantly associated with epigenetic changes.Single-cell analysis revealed the heterogeneity of NUDT19 expression in cancer cells,suggesting its potentially diverse functional roles in different cell subpopulations.qRT-PCR experiments confirmed the significant upregulation of NUDT19 in various tumor cell lines.In AML cell lines,NUDT19 knockdown led to reduced cell proliferation and invasion,with increased apoptosis,while NUDT19 overexpression significantly enhanced cell proliferation and invasion while reducing apoptosis.Conclusion This study demonstrates the diverse roles of NUDT19 in various cancer types,with a particularly prominent functional role in leukemia.NUDT19 is not only associated with tumor initiation and progression but may also influence cancer progression through the regulation of immune microenvironment and epigenetic mechanisms.Our research highlights the potential of NUDT19 as a therapeutic target,particularly for targeted therapies in malignancies such as leukemia,with significant clinical application prospects.展开更多
目的探讨短增量敏感指数(SISI)测试及瞬态诱发耳声发射(TEOAE)在噪声性听力损失筛查中的意义。方法50例纯音听阈正常并有噪声暴露史的受试者作为噪声组,另外50例未接受噪声暴露的纯音听阈正常者作为对照组,两组平均年龄分别为19.58±...目的探讨短增量敏感指数(SISI)测试及瞬态诱发耳声发射(TEOAE)在噪声性听力损失筛查中的意义。方法50例纯音听阈正常并有噪声暴露史的受试者作为噪声组,另外50例未接受噪声暴露的纯音听阈正常者作为对照组,两组平均年龄分别为19.58±1.03、19.90±1.20岁。两组分别行气导纯音听阈、SISI、TEOAE检测,分析两组间的结果差异。结果噪声组和对照组0.25~8 kHz气导纯音听阈均小于20 dB HL,差异无统计学意义(P>0.05)。噪声组各频率SISI均高于对照组,差异有显著统计学意义(P<0.01)。噪声组TEOAE波形总体相关率为92.32%±1.99%,对照组为97.92%±0.49%(P<0.05);噪声组反应幅值为16.00±1.04 dB SPL,对照组为20.27±0.70 dB SPL(P<0.05);噪声组信噪比为12.66±1.55 dB,对照组为20.95±0.89 dB(P<0.01)。SISI 6 kHz与TEOAE 3.5~4.5 kHz频段信噪比负相关(P<0.05)。结论高频率SISI联合提高筛查标准的TEOAE指标可为噪声性听力损失提供早期的诊断途径。展开更多
文摘Objective Recent studies have highlighted the critical role of NUDT19 in the initiation,progression,and prognosis of specific cancer types.However,its involvement in pan-cancer analysis has not been fully characterized.This study aims to systematically explore the expression patterns,clinical significance,and immune-related functions of NUDT19 in various cancer types through multi-omics analysis,further revealing its potential role in cancer,particularly its functional and therapeutic target value in leukemia.Methods To achieve this goal,various bioinformatics approaches were employed to evaluate the expression patterns,clinical significance,and immune-related functions of NUDT19 in tumors and normal tissues.Additionally,we analyzed the mutation characteristics of NUDT19 and its relationship with epigenetic modifications.Using the single-cell analysis tool SingleCellBase,we explored the distribution of NUDT19 across different cell subpopulations in tumors.To validate these findings,qRT-PCR was used to measure NUDT19 expression levels in specific tumor cell lines,and we established acute myeloid leukemia(AML)cell lines(HL-60 and THP-1)to conduct NUDT19 knockdown and overexpression experiments,assessing its effects on leukemia cell proliferation,apoptosis,and invasion.Results Pan-cancer analysis revealed the dysregulated expression of NUDT19 across multiple cancer types,which was closely associated with poor prognosis,clinical staging,and diagnostic markers.Furthermore,NUDT19 was significantly correlated with tumor biomarkers,immune-related genes,and immune cell infiltration in different cancers.Mutation analysis showed that multiple mutations in NUDT19 were significantly associated with epigenetic changes.Single-cell analysis revealed the heterogeneity of NUDT19 expression in cancer cells,suggesting its potentially diverse functional roles in different cell subpopulations.qRT-PCR experiments confirmed the significant upregulation of NUDT19 in various tumor cell lines.In AML cell lines,NUDT19 knockdown led to reduced cell proliferation and invasion,with increased apoptosis,while NUDT19 overexpression significantly enhanced cell proliferation and invasion while reducing apoptosis.Conclusion This study demonstrates the diverse roles of NUDT19 in various cancer types,with a particularly prominent functional role in leukemia.NUDT19 is not only associated with tumor initiation and progression but may also influence cancer progression through the regulation of immune microenvironment and epigenetic mechanisms.Our research highlights the potential of NUDT19 as a therapeutic target,particularly for targeted therapies in malignancies such as leukemia,with significant clinical application prospects.
文摘目的探讨短增量敏感指数(SISI)测试及瞬态诱发耳声发射(TEOAE)在噪声性听力损失筛查中的意义。方法50例纯音听阈正常并有噪声暴露史的受试者作为噪声组,另外50例未接受噪声暴露的纯音听阈正常者作为对照组,两组平均年龄分别为19.58±1.03、19.90±1.20岁。两组分别行气导纯音听阈、SISI、TEOAE检测,分析两组间的结果差异。结果噪声组和对照组0.25~8 kHz气导纯音听阈均小于20 dB HL,差异无统计学意义(P>0.05)。噪声组各频率SISI均高于对照组,差异有显著统计学意义(P<0.01)。噪声组TEOAE波形总体相关率为92.32%±1.99%,对照组为97.92%±0.49%(P<0.05);噪声组反应幅值为16.00±1.04 dB SPL,对照组为20.27±0.70 dB SPL(P<0.05);噪声组信噪比为12.66±1.55 dB,对照组为20.95±0.89 dB(P<0.01)。SISI 6 kHz与TEOAE 3.5~4.5 kHz频段信噪比负相关(P<0.05)。结论高频率SISI联合提高筛查标准的TEOAE指标可为噪声性听力损失提供早期的诊断途径。
