Objective In this study,mannan-binding lectin-associated serine protease 2(MASP2)gene variant was evaluated to assess the risk of radiation pneumonitis(RP)in patients with pulmonary malignancies.Methods A total of 169...Objective In this study,mannan-binding lectin-associated serine protease 2(MASP2)gene variant was evaluated to assess the risk of radiation pneumonitis(RP)in patients with pulmonary malignancies.Methods A total of 169 lung cancer patients with radiotherapy were included in our prospective study(NCT02490319)and genotyped using the Sanger sequencing method.Multivariate Cox hazards analysis and multiple testing were applied to estimate the hazard ratio(HR)and 95%confidence intervals(CIs)of all factors possibly associated with RP risk.Results Patients with mean lung disease≥15 Gy and V20≥24%had higher risk of RP≥grade 2 compared with their counterparts(HR=1.888,95%CI:1.186-3.004,P=0.007;HR=2.126,95%CI:1.338-3.378,P=0.001,respectively).Importantly,CC+CA genotype of MASP2:rs12711521 was strongly associated with an increased occurrence of RP≥grade 2(HR=1.949,95%CI:1.278-2.971,P=0.002).Conclusion MASP2:rs12711521 was found to be significantly associated with RP≥grade 2 in our cohort and may thus be one of the important predictors of severe RP before radiotherapy,if further validated in larger population.展开更多
Objective:The aim of the study was to detect the levels of mannose-binding lectin(MBL),MBL-associated serine protease 2(MASP-2) and explore the clinical significances of them in patients with primary thyroid neoplasms...Objective:The aim of the study was to detect the levels of mannose-binding lectin(MBL),MBL-associated serine protease 2(MASP-2) and explore the clinical significances of them in patients with primary thyroid neoplasms.Methods:By using ELISA method,we detected the serum levels of MBL and MASP-2 in 26 patients with papillary thyroid carcinoma(PTC),30 patients with thyroid adenoma(TA) and 26 healthy people,respectively.Results:Serum MBL level was(565.23 ± 76.70) μg/L in PTCs higher than(324.267 ± 24.74) μg/L in TAs,and(152.69 ± 16.95) μg/L in healthy of controlling group.There was statistical significance between PTC and TA(P < 0.05),however there was no difference between TA and healthy(P > 0.05).Serum MASP-2 level was(726.153 ± 78.88) μg/L in PTCs higher than(379.266 ± 30.26) μg/L in TAs,and(203.846 ± 29.09) μg/L in healthy.Serum MASP-2 level was higher in PTCs than TAs,and the difference had statistical significance(P < 0.01).But no difference was observed between in TAs and healthy.Conclusion:These findings might reflect inflammatory processes induced by defense mechanisms,in response to the development of the tumour.MBL may also be involved in the elimination of possible tumourigenic pathogens.展开更多
基金Supported by grants from the National Natural Science Foundation of China(No.81773360,81700145).
文摘Objective In this study,mannan-binding lectin-associated serine protease 2(MASP2)gene variant was evaluated to assess the risk of radiation pneumonitis(RP)in patients with pulmonary malignancies.Methods A total of 169 lung cancer patients with radiotherapy were included in our prospective study(NCT02490319)and genotyped using the Sanger sequencing method.Multivariate Cox hazards analysis and multiple testing were applied to estimate the hazard ratio(HR)and 95%confidence intervals(CIs)of all factors possibly associated with RP risk.Results Patients with mean lung disease≥15 Gy and V20≥24%had higher risk of RP≥grade 2 compared with their counterparts(HR=1.888,95%CI:1.186-3.004,P=0.007;HR=2.126,95%CI:1.338-3.378,P=0.001,respectively).Importantly,CC+CA genotype of MASP2:rs12711521 was strongly associated with an increased occurrence of RP≥grade 2(HR=1.949,95%CI:1.278-2.971,P=0.002).Conclusion MASP2:rs12711521 was found to be significantly associated with RP≥grade 2 in our cohort and may thus be one of the important predictors of severe RP before radiotherapy,if further validated in larger population.
基金Supported by a grant of Natural Science Funds Projects of Hebei Province (No. C2008001306)
文摘Objective:The aim of the study was to detect the levels of mannose-binding lectin(MBL),MBL-associated serine protease 2(MASP-2) and explore the clinical significances of them in patients with primary thyroid neoplasms.Methods:By using ELISA method,we detected the serum levels of MBL and MASP-2 in 26 patients with papillary thyroid carcinoma(PTC),30 patients with thyroid adenoma(TA) and 26 healthy people,respectively.Results:Serum MBL level was(565.23 ± 76.70) μg/L in PTCs higher than(324.267 ± 24.74) μg/L in TAs,and(152.69 ± 16.95) μg/L in healthy of controlling group.There was statistical significance between PTC and TA(P < 0.05),however there was no difference between TA and healthy(P > 0.05).Serum MASP-2 level was(726.153 ± 78.88) μg/L in PTCs higher than(379.266 ± 30.26) μg/L in TAs,and(203.846 ± 29.09) μg/L in healthy.Serum MASP-2 level was higher in PTCs than TAs,and the difference had statistical significance(P < 0.01).But no difference was observed between in TAs and healthy.Conclusion:These findings might reflect inflammatory processes induced by defense mechanisms,in response to the development of the tumour.MBL may also be involved in the elimination of possible tumourigenic pathogens.
