1.Application of latent class analysis in online emotion regulation in college students
Chinese Mental Health Journal 2017;31(3):252-256
Objective:To explore the relationship between the latent classes of online emotion regulation among college students and the distribution difference of different types on variables such as gender,grade,ages of surfing the net and so on.Methods:Totally 421 college students were assessed with Online Emotion Regulation Questionnaire (OERQ).Latent class analysis was used to identify online emotion regulation classes,and then analyzed the distribution of latent classes among different genders,grades and ages of surfing the net.Results:Two latent classes of online emotion regulation were identified,including online emotion inhibiting/ignoring class (37.6%) and online emotion venting class (62.4%).The prevalence of online emotion venting class among girls (56.6% vs.3.8%),sophomores (36.3% vs.11.9%),juniors (23.4% vs.3.1%),those with more than 36 months of surfing the net (31.6% vs.18.8%) were significantly higher than the other of the respective kind.Whereas,the rate of inhibiting/ignoring class among boys (32% vs.7.6%),freshmen (20% vs.5%) were significantly higher.Conclusion:It suggests that online emotion regulation could be divided into two different latent classes and prevalence of each class is significantly different in different genders,grades,and ages of surfing the net.
2.Effects of GW1929 on macrophage TLR expression and inflammation induced by ox-LDL
Fei LI ; Jingfeng WANG ; Ruqiong NIE ; Niansang LUO ; Dengfeng GENG ; Woliang YUAN ; Shuanglun XIE ; Yongqing LIN ; Wenjie ZHAO
Chinese Journal of Pathophysiology 1989;0(05):-
AIM:To investigate the effects of ox-LDL on TLR2 and TLR4 expression and production of TNF-?,IL-10,IL-12,NO and MDA in macrophages and to observe intervention effect of GW1929 in above procedure.METHODS:The mouse peritoneal macrophages were pretreated with ox-LDL(50 mg/L,100 mg/L)and GW1929(20 ?mol/L)respectively for 24 h.The concentrations of MDA,NO-2/NO-3,TNF-?,IL-10 and IL-12 in the culture fluid were detected.Flow cytometry was used to observe TLR2 and TLR4 expressions after the mouse peritoneal macrophages were pretreated with ox-LDL(50 mg/L)and GW1929(20 ?mol/L)respectively for 6 h,12 h,and 24 h.RESULTS:The concentrations of MDA,NO-2/NO-3,TNF-? and IL-10 in ox-LDL(50 mg/L,100 mg/L)group were higher than those in control and GW1929 group obviously,but the concentrations of above index in ox-LDL(50 mg/L,100 mg/L)+GW1929 group were lower than those in ox-LDL(50 mg/L,100 mg/L)group apparently.No IL-12 in every group was detected.Expressions of TLR-2 in ox-LDL+GW1929(6 h,12 h,24 h)group were lower than those in ox-LDL(6 h,12 h,24 h)group respectively.TLR-4 expressions in ox-LDL+GW1929(12 h)were lower than those in ox-LDL(12 h)apparently.CONCLUSION:ox-LDL up-regulates TLR2 and TLR4 expressions and promotes the production of ROX,NO,TNF-? and IL-10 in macrophages.GW1929 is capable of inhibiting the above ox-LDL effects.
3.Safety and immunogenicity of freeze-dried rabies vaccine (Vero-cells) for human use in healthy people aged 9-65 years.
Li Li HUANG ; Zhi Qiang XIE ; Wei ZHANG ; Ke ZHANG ; Yan Xia WANG ; Ze Qian WANG ; Xiao Jing WU ; Dong Mei LIU
Chinese Journal of Preventive Medicine 2023;57(2):222-228
Objective: To assess the safety and immunogenicity of freeze-dried rabies vaccine (Vero-cells) for human use on different immunization procedures in healthy people aged 9-65 years. Methods: A randomized, blind, positive-controlled clinical study was conducted in March 2015. The eligible residents aged 9-65 were recruited in Dengfeng city and Biyang County, Henan Province. A total of 1 956 subjects were enrolled. The subjects were randomly (1∶1∶1) assigned to 5-dose control group, 4-dose trial group and 5-dose trial group, with 652 subjects in each group. The subjects of 5-dose control group were immunized with control vaccine on days 0, 3, 7, 14 and 28. The subjects of 4-dose trial group were immunized with trial vaccine on days 0, 7 and 21 (2-1-1 phases) and the subjects of 5-dose trial group were immunized with trial vaccine on days 0, 3, 7, 14 and 28. A combination of regular follow-up and active reporting was used to observe local and systemic adverse reactions till 30 days after the first and full immunization, and the incidence rate of adverse reactions in three groups was analyzed and compared. The venous blood was collected before the first immunization, 7 days after the first immunization, 14 days after the first immunization and 14 days after the full immunization. The neutralizing antibody of rabies virus was detected by rapid fluorescent focus inhibition test (RFFIT), and the seropositive conversion rate and geometric mean concentration (GMC) of antibody were calculated. Results: The adverse reaction rates in 5-dose control group, 4-dose trial group and 5-dose trial group were 41.87% (273/652), 35.43% (231/652) and 34.97% (228/652), respectively. The adverse reaction rates of 4-dose trial group and 5-dose trial group were lower than those of the 5-dose control group (P<0.05). The local reactions were mainly pain, itching, swelling and redness in injection site, while the systemic reactions were mainly fever, fatigue, headache and muscle pain. The severity of adverse reactions was mainly mild (level 1), accounting for 85.33% (518/607), 89.02% (373/419) and 88.96% (427/480) of the total number of adverse reactions in each group. At 14 days after the first immunization and 14 days after the full immunization, the antibody positive conversion rates of three groups were all 100%. At 7 days, 14 days after the first immunization and 14 days after the full immunization, the GMCs of three groups were 0.60, 0.72, 0.59 IU/ml, 20.42, 23.99, 24.38 IU/ml and 22.95, 23.52, 24.72 IU/ml, respectively, with no significant difference (P>0.05). Conclusion: The freeze-dried rabies vaccine (Vero-cells) for human use has good safety and immunogenicity when inoculated according to 5-dose and 4-dose immunization procedures.
Humans
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Rabies Vaccines
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Antibodies, Viral
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Antibodies, Neutralizing
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Rabies virus
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Vaccination
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Rabies/prevention & control*
4.New discoveries in the field of metabolism by applying single-cell and spatial omics
Baocai XIE ; Dengfeng GAO ; Biqiang ZHOU ; Shi CHEN ; Lianrong WANG
Journal of Pharmaceutical Analysis 2023;13(7):711-725
Single-cell multi-Omics(SCM-Omics)and spatial multi-Omics(SM-Omics)technologies provide state-of-the-art methods for exploring the composition and function of cell types in tissues/organs.Since its emergence in 2009,single-cell RNA sequencing(scRNA-seq)has yielded many groundbreaking new discoveries.The combination of this method with the emergence and development of SM-Omics tech-niques has been a pioneering strategy in neuroscience,developmental biology,and cancer research,especially for assessing tumor heterogeneity and T-cell infiltration.In recent years,the application of these methods in the study of metabolic diseases has also increased.The emerging SCM-Omics and SM-Omics approaches allow the molecular and spatial analysis of cells to explore regulatory states and determine cell fate,and thus provide promising tools for unraveling heterogeneous metabolic processes and making them amenable to intervention.Here,we review the evolution of SCM-Omics and SM-Omics technologies,and describe the progress in the application of SCM-Omics and SM-Omics in metabolism-related diseases,including obesity,diabetes,nonalcoholic fatty liver disease(NAFLD)and cardiovascular disease(CVD).We also conclude that the application of SCM-Omics and SM-Omics approaches can help resolve the molecular mechanisms underlying the pathogenesis of metabolic diseases in the body and facilitate therapeutic measures for metabolism-related diseases.This review concludes with an overview of the current status of this emerging field and the outlook for its future.