Objective:To observe the effect of curcumin on expressions of nuclear transcription factorkappa Bp65(NF-κBp65),TNF--α and IL-8 in placental tissue of premature birth of infected mice induced by lipopolysaccharide(LP...Objective:To observe the effect of curcumin on expressions of nuclear transcription factorkappa Bp65(NF-κBp65),TNF--α and IL-8 in placental tissue of premature birth of infected mice induced by lipopolysaccharide(LPS).Methods:A total of 60 C57BL/6 mice pregnant with 15 d were collected and randomly divided into control group,model group,treatment group and preventative group.LPS was repeatedly injected in abdominal cavity to construct infected premature birth model,while mice of control group were given with 100 mg/kg of vitamin C through abdominal cavity injection and mice of treatment group and preventative group were given curcumin of 100 mg/kg through abdominal cavity injection after modeling operation and before 1 d of modeling operation,respectively.A total of 5 mice of four groups respectively were executed by cervical dislocation after 6 h,12 h and 24 h after constructing model.Placental tissues were collected and the immunohistochemical mothod SABC of immunologic tissue was used to detect the expression of NF-d mice after 24 h was collected tκBp65,TNF-o detect the co-and IL-8 and peripheral blood of executencentrations of IL-8,malondialdehyde(MDA) and superoxide dismutase(SOD),meanwhile live birth rate of four groups was contrasted.Results:Staining intensity of NF-tissue of treatment group and preventative group was κBp65,TNF-significantly-αand IL-8 in placental higher than control group but lower than model group(P<0.05).Level of serum IL-8 and MDA of control group was significantly lower than the other three groups(P<0.05) and level of blood of SOD in model group was significantly lower than control group(P<0.05).Levels of serum IL-8 and MDA of treatment group and preventative group were significantly lower than model group(P<0.05) while level of SOD was significantly higher than model group(P<0.05).Live birth rate of treatment group and preventative group was significantly higher than model group(P<0.05).Conclusions:Curcumin can effectively prevent the active pathway of NF-t tissue of premature birth of infected mice,reduce the expression of TNF-κB in pregnanieve the damage of lipid peroxide of oxidative stress of LPS on mother-fetus-α and IL-8 and rel and further to achieve the objective of preventing and curing premature birth induced with infection.展开更多
The field of time series forecasting has been seen widespread application of Transformer-based architectures.However,the quadratic complexity of the attention mechanism limits its performance in long-term time series ...The field of time series forecasting has been seen widespread application of Transformer-based architectures.However,the quadratic complexity of the attention mechanism limits its performance in long-term time series forecasting.The proposition of patching mechanism has alleviated this issue to some extent,but models will struggle to effectively unify the information between intra-patch and inter-patch.To address this problem,we propose DualMamba,a novel Mamba-based model for time series forecasting,which segments the time series into subseries-level patches and employs dual Mamba modules to capture local and global information separately.Specifically,the time series use patch-wise dependencies to guide the local module,where each patch uses a point-wise representation of time series data.Furthermore,we design an information fusion mechanism for integrating information between intra-patch and inter-patch,which effectively incorporates global information into local contexts.This allows the model to capture both local details and global trends.Extensive experiments on several real-world datasets demonstrate that DualMamba achieves state-of-the-art performance in most cases and has reliable robustness,making it highly adaptable for various types of time series.展开更多
基金supported by Key Science and Technology Program of Education Department of Shaanxi Province(Grant No.11JK06640)
文摘Objective:To observe the effect of curcumin on expressions of nuclear transcription factorkappa Bp65(NF-κBp65),TNF--α and IL-8 in placental tissue of premature birth of infected mice induced by lipopolysaccharide(LPS).Methods:A total of 60 C57BL/6 mice pregnant with 15 d were collected and randomly divided into control group,model group,treatment group and preventative group.LPS was repeatedly injected in abdominal cavity to construct infected premature birth model,while mice of control group were given with 100 mg/kg of vitamin C through abdominal cavity injection and mice of treatment group and preventative group were given curcumin of 100 mg/kg through abdominal cavity injection after modeling operation and before 1 d of modeling operation,respectively.A total of 5 mice of four groups respectively were executed by cervical dislocation after 6 h,12 h and 24 h after constructing model.Placental tissues were collected and the immunohistochemical mothod SABC of immunologic tissue was used to detect the expression of NF-d mice after 24 h was collected tκBp65,TNF-o detect the co-and IL-8 and peripheral blood of executencentrations of IL-8,malondialdehyde(MDA) and superoxide dismutase(SOD),meanwhile live birth rate of four groups was contrasted.Results:Staining intensity of NF-tissue of treatment group and preventative group was κBp65,TNF-significantly-αand IL-8 in placental higher than control group but lower than model group(P<0.05).Level of serum IL-8 and MDA of control group was significantly lower than the other three groups(P<0.05) and level of blood of SOD in model group was significantly lower than control group(P<0.05).Levels of serum IL-8 and MDA of treatment group and preventative group were significantly lower than model group(P<0.05) while level of SOD was significantly higher than model group(P<0.05).Live birth rate of treatment group and preventative group was significantly higher than model group(P<0.05).Conclusions:Curcumin can effectively prevent the active pathway of NF-t tissue of premature birth of infected mice,reduce the expression of TNF-κB in pregnanieve the damage of lipid peroxide of oxidative stress of LPS on mother-fetus-α and IL-8 and rel and further to achieve the objective of preventing and curing premature birth induced with infection.
基金supported by the Fundamental Research Funds for the Central Universities(No.NJ2024031).
文摘The field of time series forecasting has been seen widespread application of Transformer-based architectures.However,the quadratic complexity of the attention mechanism limits its performance in long-term time series forecasting.The proposition of patching mechanism has alleviated this issue to some extent,but models will struggle to effectively unify the information between intra-patch and inter-patch.To address this problem,we propose DualMamba,a novel Mamba-based model for time series forecasting,which segments the time series into subseries-level patches and employs dual Mamba modules to capture local and global information separately.Specifically,the time series use patch-wise dependencies to guide the local module,where each patch uses a point-wise representation of time series data.Furthermore,we design an information fusion mechanism for integrating information between intra-patch and inter-patch,which effectively incorporates global information into local contexts.This allows the model to capture both local details and global trends.Extensive experiments on several real-world datasets demonstrate that DualMamba achieves state-of-the-art performance in most cases and has reliable robustness,making it highly adaptable for various types of time series.
