Objective: To investigate the relationship between serum IDO levels and Treg/Th17, Th1/Th2 immune balance in patients with ulcerative colitis (UC). Methods: 78 cases of UC patients in our hospital during September 201...Objective: To investigate the relationship between serum IDO levels and Treg/Th17, Th1/Th2 immune balance in patients with ulcerative colitis (UC). Methods: 78 cases of UC patients in our hospital during September 2015 to January 2018 were divided into Light UC group (n=42) and Severe UC group (n=36) according to severity of diarrhea. 50 cases of healthy volunteers underwent physical examination at the same time were selected as Normal control group. Serum contents of IDO, Treg, Th17, Th1, Th2-related cytokines were measured between three groups, the relationship between IDO and Treg/Th17, Th1/Th2 immune balance in UC patients was evaluated. Results: There were significant differences in serum contents of IDO, Treg, Th17, Th1, Th2 related cytokines among three groups (P<0.05). As aggravation of UC, serum content of IDO increased, contents of Treg cytokines IL-10, TGF-β decreased, contents of Th17 cytokines IL-17, IL-21 increased, contents of Th1 cytokines IL-2, IFN-γ increased, contents of Th2 cytokines IL-4, IL-13 decreased (P<0.05). Correlation analysis showed that serum IDO level was negatively correlated with Treg cytokines and positively correlated with Th17 cytokines, positively correlated with Th1 cytokines and negatively correlated with Th2 cytokines (P<0.05). Conclusion: Serum content of IDO in UC patients increases abnormally and is directly related to the immune balance of Treg/Th17 and Th1/Th2. It can be used as an effective index to evaluate the immune status of UC patients.展开更多
Background:This study aimed to assess how acupoint catgut-embedding therapy influences Th2-type immune response and the infiltration of CD4^(+)and CD8^(+)cells in DNCB-induced atopic dermatitis in BALB/c mice.It also ...Background:This study aimed to assess how acupoint catgut-embedding therapy influences Th2-type immune response and the infiltration of CD4^(+)and CD8^(+)cells in DNCB-induced atopic dermatitis in BALB/c mice.It also conducted an initial examination of the underlying molecular mechanisms.Methods:Seventy-two mice were randomly divided into four groups:normal control,DNCB-induced atopic dermatitis model(AD),AD with acupoint catgut-embedding treatment(ADA),and AD with sham-acupoint catgut-embedding treatment.After DNCB challenge to induce AD,the ADA group received acupoint catgut-embedding therapy treatment at Zusanli(ST 36)and Quchi(LI 11)acupoints every other week from day 8.Mice in the AD with sham-acupoint catgut-embedding treatment group underwent the same procedure as the ADA group but without catgut implantation.Severity was assessed using SCORAD on treatment days 1,10,and 20.On day 18,nine mice per group were euthanized,and the remaining on day 28.Histopathological changes were observed using hematoxylin-eosin and immunohistochemistry staining.TNF-α,IL-4,IL-6,and IL-13 levels were analyzed by ELISA,and GATA3 and STAT6 protein levels by western blot.Results:After 20 days of acupoint catgut-embedding therapy treatment,mice showed reduced dermatitis scores compared to DNCB-induced AD-like mice.Significant decreases occurred in serum IL-4,IL-6,IL-13,and TNF-αlevels.Skin analysis revealed marked reductions in CD4^(+)and CD8^(+)cell infiltration,as well as GATA3 and STAT6 protein levels.Conclusion:Acupoint catgut-embedding therapy may effectively alleviate atopic dermatitis by suppressing Th2 immune responses via the STAT6-GATA3 pathway and reducing CD4^(+)and CD8^(+)T cell infiltration in skin lesions.展开更多
Objective:To evaluate the effect of myricetin on ovalbumin(OVA)-induced allergic rhinitis in mice.Methods:Mice were sensitized and challenged using OVA(5%,500 mL)intraperitoneally and intranasally,respectively,on an a...Objective:To evaluate the effect of myricetin on ovalbumin(OVA)-induced allergic rhinitis in mice.Methods:Mice were sensitized and challenged using OVA(5%,500 mL)intraperitoneally and intranasally,respectively,on an alternative day for 14 days,followed by administration of myricetin(50,100,and 200 mg/kg)till day 21.Nasal symptoms,biochemical parameters,protein expressions,and histopathology were observed.Results:OVA-induced increased nasal symptoms including rubbing,sneezing,and discharge were significantly reduced by myricetin(100and 200 mg/kg)(P<0.05).Myricetin also protected against histamine challenge and attenuated elevated serum immunoglobulin E(IgE;total and OVA-specific),total IgG1,andβ-hexosaminidase levels,as well as leukotriene C4 and interleukins levels in nasal lavage fluid(P<0.05).Western blot analysis showed that myricetin significantly upregulated the protein expression of T-box expressed in T cells,while downregulating the protein expression of GATA binding protein 3,NF-κB,and IκB-α(P<0.05).Additionally,OVA-induced histopathological abberations in the nasal mucosa was markedly ameliorated by myricetin treatment(P<0.05).Conclusions:Myricetin exerts anti-allergic effects against OVAinduced allergic rhinitis via regulating Th1/Th2 balance.展开更多
Objective: To explore the impact of seasonal changes on the T-helper 1(Th1)/T-helper 2(Th2) immune balance of the body in order to elucidate the internal immunological mechanisms underlying seasonal eczema.Methods: Ei...Objective: To explore the impact of seasonal changes on the T-helper 1(Th1)/T-helper 2(Th2) immune balance of the body in order to elucidate the internal immunological mechanisms underlying seasonal eczema.Methods: Eighty 4-week-old male Sprague-Dawley rats were divided into 5 season groups kept in corresponding season simulation environments, and subdivided into the model group and the control group. The Eczema Area and Severity Index(EASI) and scratching frequency were evaluated. The serum levels of immunoglobulin E(IgE), interleukin-2(IL-2), interleukin-12(IL-12), and interferon-gamma(IFN-γ), interleukin-4(IL-4), interleukin-25(IL-25), and interleukin-31(IL-31), and melatonin(MT), as well as the MT receptor(MTR) levels in the spleen, were detected by enzyme-linked immunosorbent assay analysis. The mRNA expression levels of T-bet and GATA3 were detected by quantitative real-time polymerase chain reaction.Results: EASI scores and the scratching frequency of the model group were higher in the long summer than in the other 4 seasons. Meanwhile, the serum levels of IgE and the Th2 cytokines IL-4, IL-25, and IL-31, as well as GATA3 mRNA expression levels, were high during the long summer in both groups. However, the serum levels of the Th1 cytokines IL-2, IL-12, and IFN-γ, as well as MT, MTR, and T-bet mRNA levels, were lower during the long summer. In all 5 seasonal groups(spring, summer, long summer, autumn, and winter), the levels of all immune factors, especially IL-4 and IL-31, were higher in the model group than those in the control group,while the concentrations of MT and MTR were lower.Conclusion: Under long light, hot, and humid conditions in the long summer, the body is more likely to suffer from Th2-dominated immune imbalance. This is the internal mechanism behind the high incidence and severity of eczema during the long summer. MT and MTR play a key role in the seasonal onset of eczema.展开更多
目的观察苏沈九宝汤治疗支气管哮喘急性发作期的临床疗效和对Th1/Th2因子的影响。方法选取2022年2月至2023年5月于浙江中医药大学附属四省边际中医院诊治的98例支气管哮喘急性发作期患者,根据随机数字表法将其分为治疗组和对照组,每组...目的观察苏沈九宝汤治疗支气管哮喘急性发作期的临床疗效和对Th1/Th2因子的影响。方法选取2022年2月至2023年5月于浙江中医药大学附属四省边际中医院诊治的98例支气管哮喘急性发作期患者,根据随机数字表法将其分为治疗组和对照组,每组各49例。对照组患者给予吸氧、雾化等常规治疗,治疗组患者在对照组基础上加用苏沈九宝汤。比较两组患者的临床疗效、中医证候积分、肺功能指标[第一秒用力呼气量(forced expiratory volume in first second,FEV1)、呼气流量峰值(peak expiratory flow,PEF)]和实验室指标[白细胞介素(interleukin,IL)-4、IL-13、γ干扰素(interferon-γ,IFN-γ)、免疫球蛋白E(immunoglobulin E,IgE)]。结果治疗组患者的总有效率显著高于对照组(χ^(2)=9.287,P=0.010);治疗后,两组患者的中医证候积分、血清IL-4、IL-13、IgE水平均显著低于本组治疗前,FEV_(1)、PEF、IFN-γ水平均显著高于本组治疗前(P<0.05),治疗组患者的中医证候积分、血清IL-4、IL-13、IgE水平均显著低于对照组,FEV1、PEF、IFN-γ水平均显著高于对照组(P<0.05)。结论苏沈九宝汤治疗支气管哮喘急性发作,可显著提高临床疗效,降低患者的炎症因子水平,改善肺功能。展开更多
文摘Objective: To investigate the relationship between serum IDO levels and Treg/Th17, Th1/Th2 immune balance in patients with ulcerative colitis (UC). Methods: 78 cases of UC patients in our hospital during September 2015 to January 2018 were divided into Light UC group (n=42) and Severe UC group (n=36) according to severity of diarrhea. 50 cases of healthy volunteers underwent physical examination at the same time were selected as Normal control group. Serum contents of IDO, Treg, Th17, Th1, Th2-related cytokines were measured between three groups, the relationship between IDO and Treg/Th17, Th1/Th2 immune balance in UC patients was evaluated. Results: There were significant differences in serum contents of IDO, Treg, Th17, Th1, Th2 related cytokines among three groups (P<0.05). As aggravation of UC, serum content of IDO increased, contents of Treg cytokines IL-10, TGF-β decreased, contents of Th17 cytokines IL-17, IL-21 increased, contents of Th1 cytokines IL-2, IFN-γ increased, contents of Th2 cytokines IL-4, IL-13 decreased (P<0.05). Correlation analysis showed that serum IDO level was negatively correlated with Treg cytokines and positively correlated with Th17 cytokines, positively correlated with Th1 cytokines and negatively correlated with Th2 cytokines (P<0.05). Conclusion: Serum content of IDO in UC patients increases abnormally and is directly related to the immune balance of Treg/Th17 and Th1/Th2. It can be used as an effective index to evaluate the immune status of UC patients.
基金supported by grants from the National Natural Science Foundation of China(Grant No.82260940)the Yunnan Provincial(Traditional Chinese Medicine)Clinical Dermatology Center,12th Five-year Key Construction Discipline of State Administration of Traditional Chinese Medicine“Dai Pharmacy”+1 种基金Open Project of Yunnan Key Laboratory of Dai and Yi Medicines(No.30971101100)Key Laboratory of Chemistry in Ethnic Medicinal Resources,State Ethnic Affairs Commission&Ministry of Education,Yunnan Minzu University.
文摘Background:This study aimed to assess how acupoint catgut-embedding therapy influences Th2-type immune response and the infiltration of CD4^(+)and CD8^(+)cells in DNCB-induced atopic dermatitis in BALB/c mice.It also conducted an initial examination of the underlying molecular mechanisms.Methods:Seventy-two mice were randomly divided into four groups:normal control,DNCB-induced atopic dermatitis model(AD),AD with acupoint catgut-embedding treatment(ADA),and AD with sham-acupoint catgut-embedding treatment.After DNCB challenge to induce AD,the ADA group received acupoint catgut-embedding therapy treatment at Zusanli(ST 36)and Quchi(LI 11)acupoints every other week from day 8.Mice in the AD with sham-acupoint catgut-embedding treatment group underwent the same procedure as the ADA group but without catgut implantation.Severity was assessed using SCORAD on treatment days 1,10,and 20.On day 18,nine mice per group were euthanized,and the remaining on day 28.Histopathological changes were observed using hematoxylin-eosin and immunohistochemistry staining.TNF-α,IL-4,IL-6,and IL-13 levels were analyzed by ELISA,and GATA3 and STAT6 protein levels by western blot.Results:After 20 days of acupoint catgut-embedding therapy treatment,mice showed reduced dermatitis scores compared to DNCB-induced AD-like mice.Significant decreases occurred in serum IL-4,IL-6,IL-13,and TNF-αlevels.Skin analysis revealed marked reductions in CD4^(+)and CD8^(+)cell infiltration,as well as GATA3 and STAT6 protein levels.Conclusion:Acupoint catgut-embedding therapy may effectively alleviate atopic dermatitis by suppressing Th2 immune responses via the STAT6-GATA3 pathway and reducing CD4^(+)and CD8^(+)T cell infiltration in skin lesions.
文摘Objective:To evaluate the effect of myricetin on ovalbumin(OVA)-induced allergic rhinitis in mice.Methods:Mice were sensitized and challenged using OVA(5%,500 mL)intraperitoneally and intranasally,respectively,on an alternative day for 14 days,followed by administration of myricetin(50,100,and 200 mg/kg)till day 21.Nasal symptoms,biochemical parameters,protein expressions,and histopathology were observed.Results:OVA-induced increased nasal symptoms including rubbing,sneezing,and discharge were significantly reduced by myricetin(100and 200 mg/kg)(P<0.05).Myricetin also protected against histamine challenge and attenuated elevated serum immunoglobulin E(IgE;total and OVA-specific),total IgG1,andβ-hexosaminidase levels,as well as leukotriene C4 and interleukins levels in nasal lavage fluid(P<0.05).Western blot analysis showed that myricetin significantly upregulated the protein expression of T-box expressed in T cells,while downregulating the protein expression of GATA binding protein 3,NF-κB,and IκB-α(P<0.05).Additionally,OVA-induced histopathological abberations in the nasal mucosa was markedly ameliorated by myricetin treatment(P<0.05).Conclusions:Myricetin exerts anti-allergic effects against OVAinduced allergic rhinitis via regulating Th1/Th2 balance.
基金funded by the Fundamental Research Funds for the Central Universities(2020-JYB-ZDGG-016).
文摘Objective: To explore the impact of seasonal changes on the T-helper 1(Th1)/T-helper 2(Th2) immune balance of the body in order to elucidate the internal immunological mechanisms underlying seasonal eczema.Methods: Eighty 4-week-old male Sprague-Dawley rats were divided into 5 season groups kept in corresponding season simulation environments, and subdivided into the model group and the control group. The Eczema Area and Severity Index(EASI) and scratching frequency were evaluated. The serum levels of immunoglobulin E(IgE), interleukin-2(IL-2), interleukin-12(IL-12), and interferon-gamma(IFN-γ), interleukin-4(IL-4), interleukin-25(IL-25), and interleukin-31(IL-31), and melatonin(MT), as well as the MT receptor(MTR) levels in the spleen, were detected by enzyme-linked immunosorbent assay analysis. The mRNA expression levels of T-bet and GATA3 were detected by quantitative real-time polymerase chain reaction.Results: EASI scores and the scratching frequency of the model group were higher in the long summer than in the other 4 seasons. Meanwhile, the serum levels of IgE and the Th2 cytokines IL-4, IL-25, and IL-31, as well as GATA3 mRNA expression levels, were high during the long summer in both groups. However, the serum levels of the Th1 cytokines IL-2, IL-12, and IFN-γ, as well as MT, MTR, and T-bet mRNA levels, were lower during the long summer. In all 5 seasonal groups(spring, summer, long summer, autumn, and winter), the levels of all immune factors, especially IL-4 and IL-31, were higher in the model group than those in the control group,while the concentrations of MT and MTR were lower.Conclusion: Under long light, hot, and humid conditions in the long summer, the body is more likely to suffer from Th2-dominated immune imbalance. This is the internal mechanism behind the high incidence and severity of eczema during the long summer. MT and MTR play a key role in the seasonal onset of eczema.
文摘目的观察苏沈九宝汤治疗支气管哮喘急性发作期的临床疗效和对Th1/Th2因子的影响。方法选取2022年2月至2023年5月于浙江中医药大学附属四省边际中医院诊治的98例支气管哮喘急性发作期患者,根据随机数字表法将其分为治疗组和对照组,每组各49例。对照组患者给予吸氧、雾化等常规治疗,治疗组患者在对照组基础上加用苏沈九宝汤。比较两组患者的临床疗效、中医证候积分、肺功能指标[第一秒用力呼气量(forced expiratory volume in first second,FEV1)、呼气流量峰值(peak expiratory flow,PEF)]和实验室指标[白细胞介素(interleukin,IL)-4、IL-13、γ干扰素(interferon-γ,IFN-γ)、免疫球蛋白E(immunoglobulin E,IgE)]。结果治疗组患者的总有效率显著高于对照组(χ^(2)=9.287,P=0.010);治疗后,两组患者的中医证候积分、血清IL-4、IL-13、IgE水平均显著低于本组治疗前,FEV_(1)、PEF、IFN-γ水平均显著高于本组治疗前(P<0.05),治疗组患者的中医证候积分、血清IL-4、IL-13、IgE水平均显著低于对照组,FEV1、PEF、IFN-γ水平均显著高于对照组(P<0.05)。结论苏沈九宝汤治疗支气管哮喘急性发作,可显著提高临床疗效,降低患者的炎症因子水平,改善肺功能。
