Objective To investigate the effect of mucin 1(MUC1)on the proliferation and apoptosis of nasopharyngeal carcinoma(NPC)and its regulatory mechanism.Methods The 60 NPC and paired para-cancer normal tissues were collect...Objective To investigate the effect of mucin 1(MUC1)on the proliferation and apoptosis of nasopharyngeal carcinoma(NPC)and its regulatory mechanism.Methods The 60 NPC and paired para-cancer normal tissues were collected from October 2020 to July 2021 in Quanzhou First Hospital.The expression of MUC1 was measured by real-time quantitative PCR(qPCR)in the patients with PNC.The 5-8F and HNE1 cells were transfected with siRNA control(si-control)or siRNA targeting MUC1(si-MUC1).Cell proliferation was analyzed by cell counting kit-8 and colony formation assay,and apoptosis was analyzed by flow cytometry analysis in the 5-8F and HNE1 cells.The qPCR and ELISA were executed to analyze the levels of TNF-αand IL-6.Western blot was performed to measure the expression of MUC1,NFкB and apoptosis-related proteins(Bax and Bcl-2).Results The expression of MUC1 was up-regulated in the NPC tissues,and NPC patients with the high MUC1 expression were inclined to EBV infection,growth and metastasis of NPC.Loss of MUC1 restrained malignant features,including the proliferation and apoptosis,downregulated the expression of p-IкB、p-P65 and Bcl-2 and upregulated the expression of Bax in the NPC cells.Conclusion Downregulation of MUC1 restrained biological characteristics of malignancy,including cell proliferation and apoptosis,by inactivating NF-κB signaling pathway in NPC.展开更多
目的了解大连地区新生儿听力障碍的发病状况,发现听力筛查过程中存在的主要问题。方法对近5年大连地区出生的新生儿,在出生后3～5天内用畸变产物耳声发射(Disto rtio n pro duct o toacoustic emission,DPOAE)筛查仪进行初筛,初筛不通...目的了解大连地区新生儿听力障碍的发病状况,发现听力筛查过程中存在的主要问题。方法对近5年大连地区出生的新生儿,在出生后3～5天内用畸变产物耳声发射(Disto rtio n pro duct o toacoustic emission,DPOAE)筛查仪进行初筛,初筛不通过者在42天进行复筛,复筛不通过者3个月内进行听觉脑干反应(auditory brainstem response,ABR)、多频听觉稳态反应(auditory steady state response,ASSR)、40Hz相关电位(40Hz-auditory evoked related potentials,40Hz–AERP)、声导抗测听等检查,对患儿进行综合听觉评估。结果 5年时间内大连地区应该筛查新生儿总数233856人,实际筛查217641人,初筛率为93.1%;初筛通过率为90.6%(197254/217641),复筛率为74.3%(漏检率为25.7%,5236/20387),复筛通过率90.5%(12194/15151),复筛不通过2957人;新生儿听力障碍诊治中心接诊2069人,就诊率为70%(2069/2957);确诊为听力障碍373例(607耳),听力障碍发病率为1.71‰;双耳听力障碍234例(轻、中、重、极重度听力障碍发病率分别为0.23‰、0.36‰、0.19‰、0.29‰),单耳听力障碍139例;有45例(45/106)重度-极重度听力障碍患儿6个月内没有确诊,其中9例为初筛不通过而没有进行复筛,36例初筛、复筛均不通过却没有及时就诊。结论大连地区新生儿听力障碍发病率与既往报道类似;完善听力障碍高危儿童的召回制度,提高复筛率和就诊率是减少听力障碍儿童漏诊的关键。展开更多
文摘Objective To investigate the effect of mucin 1(MUC1)on the proliferation and apoptosis of nasopharyngeal carcinoma(NPC)and its regulatory mechanism.Methods The 60 NPC and paired para-cancer normal tissues were collected from October 2020 to July 2021 in Quanzhou First Hospital.The expression of MUC1 was measured by real-time quantitative PCR(qPCR)in the patients with PNC.The 5-8F and HNE1 cells were transfected with siRNA control(si-control)or siRNA targeting MUC1(si-MUC1).Cell proliferation was analyzed by cell counting kit-8 and colony formation assay,and apoptosis was analyzed by flow cytometry analysis in the 5-8F and HNE1 cells.The qPCR and ELISA were executed to analyze the levels of TNF-αand IL-6.Western blot was performed to measure the expression of MUC1,NFкB and apoptosis-related proteins(Bax and Bcl-2).Results The expression of MUC1 was up-regulated in the NPC tissues,and NPC patients with the high MUC1 expression were inclined to EBV infection,growth and metastasis of NPC.Loss of MUC1 restrained malignant features,including the proliferation and apoptosis,downregulated the expression of p-IкB、p-P65 and Bcl-2 and upregulated the expression of Bax in the NPC cells.Conclusion Downregulation of MUC1 restrained biological characteristics of malignancy,including cell proliferation and apoptosis,by inactivating NF-κB signaling pathway in NPC.
文摘目的了解大连地区新生儿听力障碍的发病状况,发现听力筛查过程中存在的主要问题。方法对近5年大连地区出生的新生儿,在出生后3～5天内用畸变产物耳声发射(Disto rtio n pro duct o toacoustic emission,DPOAE)筛查仪进行初筛,初筛不通过者在42天进行复筛,复筛不通过者3个月内进行听觉脑干反应(auditory brainstem response,ABR)、多频听觉稳态反应(auditory steady state response,ASSR)、40Hz相关电位(40Hz-auditory evoked related potentials,40Hz–AERP)、声导抗测听等检查,对患儿进行综合听觉评估。结果 5年时间内大连地区应该筛查新生儿总数233856人,实际筛查217641人,初筛率为93.1%;初筛通过率为90.6%(197254/217641),复筛率为74.3%(漏检率为25.7%,5236/20387),复筛通过率90.5%(12194/15151),复筛不通过2957人;新生儿听力障碍诊治中心接诊2069人,就诊率为70%(2069/2957);确诊为听力障碍373例(607耳),听力障碍发病率为1.71‰;双耳听力障碍234例(轻、中、重、极重度听力障碍发病率分别为0.23‰、0.36‰、0.19‰、0.29‰),单耳听力障碍139例;有45例(45/106)重度-极重度听力障碍患儿6个月内没有确诊,其中9例为初筛不通过而没有进行复筛,36例初筛、复筛均不通过却没有及时就诊。结论大连地区新生儿听力障碍发病率与既往报道类似;完善听力障碍高危儿童的召回制度,提高复筛率和就诊率是减少听力障碍儿童漏诊的关键。
