1.Study on Effects of Shenkang Oral Liquid on Resistant Senility
Shifang LI ; Zhirong WU ; Yunfen DONG ;
Chinese Traditional Patent Medicine 1992;0(08):-
Objective: To investigate the effects of clinical therapeutic and pharmacological actions “Shenkang Oral Liquid” on sexual function failing, senile nocturia. Results: Index of phagocyte, weight of seminal vesicle gland and content of testosterone in experimental rats with yang deficiency were observed by experiment.Results: “Shenkang Oral Liquid” could significantly raise index of phagocyte (k=0.0258?0.012), weight of seminal vesicle gland (24.07?1.99mg/10g) and content of testosterone (363?50.56pmol/mL) in rats with yang deficiency. Conclusion: “Shenkang Oral Liquid” shows enhancement effects on immune and sexual functions.
2.TNF-αenhances IFN-γ-induced NIT-1 cells apoptosis via death receptor pathway
Shifang DONG ; Guiqing LI ; Weifan JIANG ; Fei YANG ; Zhaohui CAO ; Guilian XU
Chinese Journal of Immunology 2014;(11):1448-1451
Objective:To investigate the effect of TNF-αand IFN-γon NIT-1 cells apoptosis and the apoptosis mechan-ism.Methods:NIT-1 cells were exposed to a combination of TNF-αand IFN-γtreatment.The viability of NIT-1 cells was assessed via MTT assay.The morphological changes of the cells and nuclei were observed under the inverted or confocal laser scanning microscope with Hoechst 33258 staining.The activation of Caspase-8,-3 and PARP was detected by Western blot.Results:TNF-αand IFN-γsig-nificantly inhibited NIT-1 cells viability, promoted cells apoptosis, induced the activation of Caspase-8,-3 and PARP cleavage.Conclusion:TNF-αcombined with IFN-γtreatment induced the apoptosis of NIT-1 cells through death receptor pathway.
3.Effect of Huanglian Wendantang on Inflammatory Response and Hepatocyte Burn Death in IGT Rats
Han LI ; Yun-lei HUANG ; Wan-ru DONG ; Bo-yan MA
Chinese Journal of Experimental Traditional Medical Formulae 2021;27(8):25-32
Objective:To investigate whether there is inflammatory reaction and cell pyroptosis in impaired glucose tolerance (IGT) rats induced by high-fat diet and the intervention effect of Huanglian Wendantang. Method:Healthy male SD rats were fed with 45% fat content diet for 20 weeks to replicate the IGT model. The rats in line with the model establish criteria were randomly divided into 3 groups, with 10 rats in each group, another 10 rats were selected as the blank control group. Huanglian Wendantang group was given 7.8 g·kg-1·d-1 compound decoction of Huanglian Wendantang, and the positive control group was given 0.05 g·kg-1·d-1 aqueous solution of metformin hydrochloride, with the dose volume of 10 mL·kg-1·d-1. The blank group and the model group were given the same volume of distilled water. After continuous intragastric administration for 4 weeks, the body weight, body length and abdominal circumferences were measured, the Lee's obesity index was calculated, and the levels of fasting plasma glucose (FPG) and 2-hour plasma glucose (2 h PG) were detected in each group. Serum interleukin-6 (IL-6) content was detected by enzyme-linked immunosorbent assay (ELISA). The mRNA and protein expressions of nuclear factor kappa B (NF-
5.Impact of embryonic uveitis exposure on response of mouse offspring to interphotoreceptor retinoid-binding protein-induced experimental autoimmune uveitis
Fei XU ; Jianping LIU ; Shifang DONG ; Hui HUANG ; Xinyi GONG ; Kaijiao HU ; Feilan CHEN
Acta Laboratorium Animalis Scientia Sinica 2024;32(3):297-306
Objective To investigate the effect of embryonic inflammatory exposure on the response of mouse offspring to interphotoreceptor retinoid-binding protein(IRBP)-induced experimental autoimmune uveitis(EAU).Methods RNA transcriptome sequencing data from eyeballs of C57BL/6J mouse offspring born to mothers with active EAU were used to screen immune-associated differentially expressed genes in the eyes of the exposed offspring.Gene fragments overlapping in the two datasets were screened using Gene Ontology(GO)and Kyoto Encyclopedia of Genes and Genomes(KEGG)enrichment analyses to identify biological pathways associated with the gene fragments.Hub genes were identified from these intersecting genes by protein-protein interaction network analysis.EAU models of maternal uveitis were established by immunization with IRBP651-670,and expression levels of the pivotal genes in the offspring exposed to inflammation by maternal uveitis were examined by fluorescence quantitative polymerase chain reaction.EAU severity,T lymphocyte proliferation,and serum cytokines were detected to investigate the immune effect in offspring from mothers with an active inflammation response to IRBP induction.Results Microarray analysis identified 72 immune-related differentially expressed genes in exposed samples compared with the findings in control samples.These genes were mainly enriched in Toll-like receptor signaling,mitogen-activated protein kinase signaling,and B cell receptor signaling pathways.Protein-protein interaction network interaction analysis screened out four hub genes,Psmc5,Psmc3,Psmd4,and Psmd8,and mRNA levels of these four genes were increased in the adult offspring from mothers with active uveitis compared with the findings in healthy offspring.In addition,the group induced with 150 μg IRBP showed an increase in the severity of clinical and pathological outcomes in offspring with EAU affected by active inflammation,compared with the healthy offspring group(P=0.0087,P=0.0410).Meanwhile,T cell proliferation in the offspring was enhanced during the inflammatory activity stage and secretion of the inflammatory cytokines interleukin(IL)-17 and IL-6 was increased(P=0.0450,P=0.0300).Conclusions Psmc5,Psmc3,Psmd4,and Psmd8 may be important genes exacerbating uveitis in offspring of mothers with active uveitis,associated with increased T cell proliferation and production of IL-17 and IL-6.
6.Comparison on senescence-related properties and osteogenic differentiation capacity of bone-derived mesenchymal stem cells from mice in different ages
Yuan LI ; Haiying ZHONG ; Shifang DONG ; Lu HUANG ; Xiaoqi LIU ; Yuzi LIAO ; Qin YI ; Li ZHAO ; Ke YANG ; Yasha LI
Journal of Army Medical University 2024;46(13):1512-1522
Objective To explore the age-related biological properties of bone-derived mesenchymal stem cells(BMSCs)from mice of different age groups and their osteogenic differentiation induced by bone morphogenetic protein 2(BMP2).Methods Eight C57BL/6J mice were divided into a young group(4 weeks old,weighing 10~15 g,n=4)and an old group(12 months old,weighing 20~25 g,n=4),with half male and half female.MSCs were extracted from the whole bones of the 2 groups of mice.After the obtained cells were identified with flow cytometry for the surface markers,β-galactosidase staining was employed to compare the senescence level of BMSCs,MTT and EdU incorporation assays were conducted to compare the proliferation and self-renewal abilities of between the 2 groups.Western blotting was employed to analyze the expression of CyclinD1 and P21 in BMSCs.Then ALP staining,Alizarin Red staining and RT-qPCR were used to evaluate the osteogenic differentiation ability of the cells.RNA sequencing was performed to compare the differential gene expression in BMP2-induced BMSCs.Lastly,the sequencing results were re-confirmed by using flow cytometry.Results Flow cytometry showed that the sorted and cultured mouse BMSCs met the criteria for MSCs.The results of β-galactosidase staining indicated that the senescence level of BMSCs in the old group was significantly higher than that in the young group(P<0.05).MTT and EdU doping experiments revealed that the cell viability and proliferation ability of BMSCs were significantly lower in the old group than the young group(P<0.05).Western blotting displayed that the expression level of cell cycle protein CyclinD1 was lower,whereas that of cell cycle inhibitory factor P21 was significantly higher in the BMSCs from the old group than the cells from the young group(P<0.05).ALP/Alizarin Red staining and RT-qPCR demonstrated that the BMSCs from the young group had stronger osteogenic differentiation capacity after BMP2 treatment when compared the cells of the old group(P<0.05).RNA sequencing results displayed that the changing profile of CD51 expression was in opposite trends in the young and old BMSCs after BMP2 treatment.Finally,flow cytometry revealed that the percentage of CD51+cells within the CD45-cells was significantly higher in the young group than the old group.Conclusion The decrease in the percentage of CD51+cells among CD45-cells in aged BMSCs is closely associated with their decreased responsiveness to BMP2-induced osteogenic differentiation.