Journal of Traditional Chinese Medicine ›› 2025, Vol. 45 ›› Issue (5): 1048-1058.DOI: 10.19852/j.cnki.jtcm.2025.05.011
• Original Articles • Previous Articles Next Articles
WANG Wei, LONG Qi, FU Ling, WU Haiqiao(
)
Received:2024-03-22
Accepted:2024-06-18
Online:2025-10-15
Published:2025-09-15
Contact:
WU Haiqiao, Department of respiratory and critical care medicine, Chongqing Traditional Chinese Medicine Hospital, Chongqing 400038, China. Wuhaiqiao20571380@163.com,Telephone: +86-13896033821
Supported by:WANG Wei, LONG Qi, FU Ling, WU Haiqiao. Jianpi Yifei Tongluo recipe (健脾益肺通络方剂) attenuates inflammation by promoting the expression of interferon regulatory factor 4 in the rat model of chronic obstructive pulmonary disease[J]. Journal of Traditional Chinese Medicine, 2025, 45(5): 1048-1058.
Figure 1 Effect of JYTR on pulmonary function and Histological examination A: TV; B: MV; C: PEF; D: representative histological images of lung tissue (HE staining, × 100). D1: Control group; D2: Model group; D3: Model + Budesonide group; D4: Model + Synbiotics group; D5: Model + JYTR (low dose); D6: Model + JYTR (medium dose); D7: Model + JYTR (high dose). E: Quantification of lung injury scores; F: MLI; G: MAN. The COPD model was established via daily CS exposure combined with intratracheal LPS administration on days 7 and 21 in the model, Western medicine, and JYTR groups. Apart from LPS administration days, rats were continuously exposed to cigarette smoke for 12 weeks. Control and model group rats received normal saline by gavage at 10 mL/kg once daily. The medium dose of JYTR and the dose of Western medicine were calculated based on the equivalent adult human dose, adjusted for body surface area. The low and high JYTR doses were set at 0.5 × and 2 × the medium dose, respectively. The Budesonide group received once-daily inhalation of nebulized budesonide, and the Synbiotics group received Synbiotics at 1.17 × 101? CFU·kg?1·d?1. JYTR was administered by gavage at 10 mL·kg?1·d?1 according to body weight in each respective dose group. JYTR: Jianpi Yifei Tongluo recipe; TV: tidal volume; MV: minute ventilation; PEF: peak expiratory flow; HE: hematoxylin-eosin; MLI: mean linear intercepts; MAN: mean alveolar number; COPD: chronic obstructive pulmonary disease; CS: cigarette smoke; LPS: lipopolysaccharide; ANOVA: analysis of variance. Statistical analysis was performed using one-way ANOVA followed by the least significant difference post hoc test. Data are presented as mean ± standard deviation (n = 3). aP < 0.05 vs Control group; bP < 0.05 and cP > 0.05 vs Model group.
Figure 2 Effect of JYTR on CS-mediated expression of IRF4, Arg1, CD206, iNOS, CD86, IKB-α, and P65 in vivo and vitro A: Western blot analysis was performed to detect protein expression levels of IRF4, Arg 1, iNOS, CD86, CD206, and Actin B in rat lung tissue. B: Western blot quantification results of each group; B1: gray analysis of the protein levels of IRF4; B2: gray analysis of the protein levels of Arg1; B3: gray analysis of the protein levels of iNOS; B4: gray analysis of the protein levels of CD86; B5: gray analysis of the protein levels of CD206; C: Western blot analysis and gray analysis of the protein levels of p-IκB-α and IκB-α; D: Western blot analysis and gray analysis of the protein levels of p-P65,and P65; E: in vitro effects of JYTR on CS-induced IRF4 protein expression; F: flow cytometric analysis of CD86 and CD206 expression in NR8383 cells. F1, F6: Control group; F2, F7: 15% CSE group; F3, F8: JYTR (10 μM) + 15% CSE group; F4, F9: JYTR (50 μM) + 15% CSE group; F5, F10: JYTR (100 μM) + 15% CSE group. The model was established via daily exposure to CS, combined with intratracheal LPS instillation on days 7 and 21 in the model group, Western medicine group, and each JYTR dose group. Except for LPS administration days, rats were exposed to CS continuously for 12 weeks. Control and model groups received normal saline by gavage at 10 mL·kg?1·d?1. The medium dose of JYTR and the Western medicine dose were adjusted from human adult equivalents based on body surface area. Low and high JYTR doses corresponded to × 0.5 and × 2 the medium dose, respectively. The budesonide grouP received daily nebulized budesonide, while the Synbiotics grouP received Synbiotics at 1.17 × 101? CFU·kg?1·d?1. JYTR was administered orally at 10 mL·kg?1·d?1 according to body weight. NR8383 cells were treated with either 0% (control) or 15% CSE. For the treatment groups, cells were pretreated with JYTR at 10, 50, or 100 μM for 24 h, followed by 15% CSE exposure for an additional 4 h. IRF4: interferon regulatory factor 4; Arg1: arginase 1; iNOS: inducible nitric oxide synthase; CD: cluster of differentiation; IκB-α: nuclear factor of kappa light polypeptide gene enhancer in B-cells inhibitor alpha; CS: cigarette smoke; LPS: lipopolysaccharide; JYTR: Jianpi Yifei Tongluo recipe; CSE: cigarette smoke extract; ANOVA: analysis of variance. Statistical analysis was performed using one-way ANOVA followed by the least significant difference post hoc test. Data are presented as mean ± standard deviation (n = 3). aP < 0.05 and eP > 0.05 vs control group; bP < 0.05, cP < 0.01, and dP > 0.05 vs model group; fP < 0.05 vs 15% CSE group.
Figure 3 Effect of interference with IRF4 on the efficacy of traditional Chinese medicine on COPD in rats A: TV; B: PEF; C: MV; D: representative histopathological images of lung tissue (HE staining, × 100); D1: control group; D2: model group; D3: JYTR medium-dose group ("Middle group"); D4: Middle + sh-NC group; D5: Middle + sh-IRF4 group; E: quantification of lung injury scores; F: MLI; G: MAN. COPD model Group: Induced by daily CS exposure combined with intratracheal LPS administration on days 7 and 21. Rats were exposed to CS for 12 consecutive weeks, excluding LPS injection days; JYTR medium-dose group (“Middle group”): Model rats were treated with a medium dose of JYTR; Middle + sh-NC group: Six hours after LPS injection, rats were injected with an adenovirus carrying a non-targeting shRNA control (sh-NC; 60 μL, 6 × 1013 GC/mL) via the tail vein, followed by JYTR medium-dose treatment; Middle + sh-IRF4 group: Six hours after LPS injection, rats received a tail vein injection of an adenovirus expressing shRNA targeting IRF4 (sh-IRF4; 60 μL, 6 × 1013 GC/mL), followed by JYTR medium-dose treatment. IRF4: interferon regulatory factor 4; TV: tidal volume; PEF: peak expiratory flow; MV: minute ventilation; HE: hematoxylin-eosin; COPD: chronic obstructive pulmonary disease; CS: cigarette smoke; LPS: lipopolysaccharide; JYTR: Jianpi Yifei Tongluo recipe; MLI: mean linear intercepts; MAN: mean alveolar number; ANOVA: analysis of variance. Data are presented as mean ± standard deviation (n = 3). Statistical analysis was performed using one-way ANOVA followed by the least significant difference post hoc test. aP < 0.05 vs control group; bP < 0.05 and cP > 0.05 vs model group.
Figure 4 Effect of interference with IRF4 on Cytokines and Protein Expression of traditional Chinese medicine on COPD in rats A: cytokine levels of TGF-β in serum and lung tissues; B: cytokine levels of TNF-α in serum; C: cytokine levels of IL-6 in serum; D: cytokine levels of IL-10 in serum; E: cytokine levels of TGF-β in serum; F: cytokine levels of TNF-α in lung tissues; G: cytokine levels of IL-6 in lung tissues; H: cytokine levels of IL-10 in lung tissues; I: Western blot analysis was performed to detect protein expression levels of IRF4, Arg1, iNOS, p-IKB-α, p-P65 (J5) and ActinB in the rat lung tissues; J1: gray analysis of the protein levels of IRF4; J2: gray analysis of the protein levels of Arg1; J3: gray analysis of the protein levels of iNOS; J4: gray analysis of the protein levels of p-IKB-α; J5: gray analysis of the protein levels of p-P65. COPD model was induced by daily CS exposure combined with intratracheal LPS administration on days 7 and 21. Rats were exposed to CS for 12 consecutive weeks, excluding LPS injection days. JYTR medium-dose group ("Middle group"): Model rats were treated with a medium dose of JYTR. Middle + sh-NC group: Six hours after LPS injection, rats were injected with an adenovirus carrying a non-targeting shRNA control (sh-NC; 60 μL, 6 × 1013 GC/mL) via the tail vein, followed by JYTR medium-dose treatment. Middle + sh-IRF4 group: Six hours after LPS injection, rats received a tail vein injection of an adenovirus expressing shRNA targeting IRF4 (sh-IRF4; 60 μL, 6 × 1013 GC/mL), followed by JYTR medium-dose treatment. IRF4: interferon regulatory factor 4; TGF-β: transforming growth factor-β; TNF-α: tumor necrosis factor-α; IL: interleukin; Arg1: arginase 1; iNOS: inducible nitric oxide synthase; CD: cluster of differentiation; IκB-α: nuclear factor of kappa light polypeptide gene enhancer in B-cells inhibitor alpha; COPD: chronic obstructive pulmonary disease; CS: cigarette smoke; LPS: lipopolysaccharide; JYTR: Jianpi Yifei Tongluo recipe; ANOVA: analysis of variance. Statistical analysis was performed using one-way ANOVA followed by the least significant difference post hoc test. Data are presented as mean ± standard deviation (n = 3). aP < 0.05 and bP < 0.01 vs control group; cP < 0.05 and dP > 0.05 vs model group.
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