Objective Ultraviolet B(UVB)mainly acts on the skin epidermis,causing oxidative damage and apoptosis of keratinocytes.Jin Bai Mei Yan Prescription(JBMYP)comprises a variety of antioxidant traditional Chinese medicines...Objective Ultraviolet B(UVB)mainly acts on the skin epidermis,causing oxidative damage and apoptosis of keratinocytes.Jin Bai Mei Yan Prescription(JBMYP)comprises a variety of antioxidant traditional Chinese medicines(TCM).In this study,we aimed to evaluate the effects of JBMYP on the oxidative damage induced by UVB in human immortalized epidermal keratinocytes(HaCaT)cells.Methods HaCaT cells were divided into six groups:control group,model(UVB)group,positive(UVB+vitamin E)group,UVB+JBMYP low dose group(160μg/mL),UVB+JBMYP moderate dose group(800μg/mL),and UVB+JBMYP high dose group(1600μg/mL).HaCaT cells were irradiated with UVB and treated with JBMYP for 24 h.Methyl thiazolyl tetrazolium(MTT)assay and real-time unlabeled cell function analyzer were used to assess the cell survival and proliferation rates,respectively.At the same time,the levels of intracellular reactive oxygen species(ROS),lipid peroxide malondialdehyde(MDA),glutathione(GSH),and hydroxyproline(HYP),as well as the activities of antioxidant enzyme superoxide dismutase(SOD)and catalase(CAT)were evaluated using enzyme linked immunosorbent assay(ELISA).Results Compared with the model group,the survival rate of HaCaT cells in each dosage group of JBMYP was significantly improved(P<0.05).Further,JBMYP could promote the proliferation of HaCaT cells,leading to a reduction in the contents of MDA and ROS,and increase in the contents of SOD,CAT,GSH and HYP in HaCaT cells.Conclusions JBMYP has enhanced protective effect on oxidative damage induced by UVB in HaCaT cells.展开更多
Objective:To explore the potential mplecular mechanism of Puji Xiaodu Drink(普济消毒饮,PJX-DD)in the treatment of corona virus disease 2019(COVID-19)based on network pharmacology and molecu-lar docking technology.Meth...Objective:To explore the potential mplecular mechanism of Puji Xiaodu Drink(普济消毒饮,PJX-DD)in the treatment of corona virus disease 2019(COVID-19)based on network pharmacology and molecu-lar docking technology.Methods:The main active compounds of PJXDD were searched by Traditional Chinese Medicine Systems Pharmacology(TCMSP)database and related literature records,and the potential target of PJXDD was found by Swiss Target Prediction;relevant targets of COVID-19 were obtained through Gene Cards database.The PPI network of"drug-compound-target"and target protein interaction was constructed by STRING database and Cytoscape 3.6.1 software.The key targels were analyzed by MCODE plug-in.Finally,the common targets were used for GO enrichment analysis and KEGG pathway analysis by Enrichr.Molecular docking was used to screen the main active components that interact with key targets.Results:202 effective chemical components of PJXDD were screened,and 71 targets were applied to COVID-19.The results of molec-ular docking suggested that naringin and luteolin may be important active compounds of PJXDD against COV-ID-19.They may play a role in the treatment of COVID-19 by parieipating in the signaling pathways of inter-leukin signaling,cytok ine signaling in immune system,and the intrinsic pathway of apoptosis.Conclusion:PJX-DD plays an important role in anti-COVID-19 through multi-component,multi-target and multi-channel action in inflammatory response and immune regulation.展开更多
基金funding support from the National Administration of Traditional Chinese Medicine(No.2017-149-11)National Base for International Cooperation(No.2016-65)Henan Province Industry-University-Research Collaboration(No.182107000029)to conduct the Special Project on Standardization of Traditional Chinese Medicine。
文摘Objective Ultraviolet B(UVB)mainly acts on the skin epidermis,causing oxidative damage and apoptosis of keratinocytes.Jin Bai Mei Yan Prescription(JBMYP)comprises a variety of antioxidant traditional Chinese medicines(TCM).In this study,we aimed to evaluate the effects of JBMYP on the oxidative damage induced by UVB in human immortalized epidermal keratinocytes(HaCaT)cells.Methods HaCaT cells were divided into six groups:control group,model(UVB)group,positive(UVB+vitamin E)group,UVB+JBMYP low dose group(160μg/mL),UVB+JBMYP moderate dose group(800μg/mL),and UVB+JBMYP high dose group(1600μg/mL).HaCaT cells were irradiated with UVB and treated with JBMYP for 24 h.Methyl thiazolyl tetrazolium(MTT)assay and real-time unlabeled cell function analyzer were used to assess the cell survival and proliferation rates,respectively.At the same time,the levels of intracellular reactive oxygen species(ROS),lipid peroxide malondialdehyde(MDA),glutathione(GSH),and hydroxyproline(HYP),as well as the activities of antioxidant enzyme superoxide dismutase(SOD)and catalase(CAT)were evaluated using enzyme linked immunosorbent assay(ELISA).Results Compared with the model group,the survival rate of HaCaT cells in each dosage group of JBMYP was significantly improved(P<0.05).Further,JBMYP could promote the proliferation of HaCaT cells,leading to a reduction in the contents of MDA and ROS,and increase in the contents of SOD,CAT,GSH and HYP in HaCaT cells.Conclusions JBMYP has enhanced protective effect on oxidative damage induced by UVB in HaCaT cells.
基金We thank for the funding support from the Henan Emergency Tackling Project(201100312300)Zhengzhou Emergency Tackling Project(ZZKJ2020604)。
文摘Objective:To explore the potential mplecular mechanism of Puji Xiaodu Drink(普济消毒饮,PJX-DD)in the treatment of corona virus disease 2019(COVID-19)based on network pharmacology and molecu-lar docking technology.Methods:The main active compounds of PJXDD were searched by Traditional Chinese Medicine Systems Pharmacology(TCMSP)database and related literature records,and the potential target of PJXDD was found by Swiss Target Prediction;relevant targets of COVID-19 were obtained through Gene Cards database.The PPI network of"drug-compound-target"and target protein interaction was constructed by STRING database and Cytoscape 3.6.1 software.The key targels were analyzed by MCODE plug-in.Finally,the common targets were used for GO enrichment analysis and KEGG pathway analysis by Enrichr.Molecular docking was used to screen the main active components that interact with key targets.Results:202 effective chemical components of PJXDD were screened,and 71 targets were applied to COVID-19.The results of molec-ular docking suggested that naringin and luteolin may be important active compounds of PJXDD against COV-ID-19.They may play a role in the treatment of COVID-19 by parieipating in the signaling pathways of inter-leukin signaling,cytok ine signaling in immune system,and the intrinsic pathway of apoptosis.Conclusion:PJX-DD plays an important role in anti-COVID-19 through multi-component,multi-target and multi-channel action in inflammatory response and immune regulation.
