1.Intermittent θ burst stimulation combined with cognitive training for cognitive and neurological functions in patients with post-stroke cognitive impairment:A research study
Journal of Apoplexy and Nervous Diseases 2026;43(1):65-69
Objective To investigate the effect of intermittent θ burst stimulation (iTBS) combined with cognitive training in improving the cognitive and neurological functions of patients with post-stroke cognitive impairment (PSCI). Methods A total of 80 patients with PSCI who were admitted to our hospital from July 2022 to July 2024 were enrolled in the study, and they were randomly divided into observation group and control group, with 40 patients in each group. The patients in the observation group received iTBS combined with cognitive training, while those in the control group received conventional treatment combined with cognitive training. The two groups were compared in terms of the changes in cognitive function, daily memory function, activities of daily living, cognitive flexibility, and neurological function after treatment. Results After 4 weeks of treatment, both groups had improvement in cognitive function, and compared with the control group receiving cognitive training alone, the observation group had significant increases in the scores of cognitive function, daily memory function, and activities of daily living (P<0.05), with significant improvements in cognitive flexibility and neurological function (P<0.05). Conclusion The combination of iTBS and cognitive training can significantly improve cognitive and neurological functions in patients with PSCI.
2.Effect of Wulao Qisun Prescription on Proliferation and Osteogenic Differentiation of AS Fibroblasts by Regulating Wnt/β-catenin Signaling Pathway
Juanjuan YANG ; Ping CHEN ; Haidong WANG ; Zhendong WANG ; Haolin LI ; Zhimin ZHANG ; Yuping YANG ; Weigang CHENG ; Jin SU ; Jingjing SONG ; Dongsheng LU
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(2):67-73
ObjectiveTo investigate the effect and underlying mechanism of the Wulao Qisun prescription on pathological new bone formation in ankylosing spondylitis (AS). MethodsSynovial fibroblasts were isolated from the hip joints of AS patients and observed under a microscope to assess cell morphology. The cells were identified using immunofluorescence staining. The isolated AS fibroblasts were divided into blank group, low drug-containing serum group, medium drug-containing serum group, high drug-containing serum group, and positive drug group. After drug intervention, cell proliferation was measured using the cell counting kit-8 (CCK-8) assay to observe fibroblast growth and determine the optimal intervention time. Alkaline phosphatase (ALP) activity was measured using the alkaline phosphatase assay. Protein expression of osteocalcin (OCN), osteopontin (OPN), and runt-related transcription factor 2 (Runx2) was detected by Western blot. The mRNA expression levels of Wnt5a, β-catenin, and Dickkopf-1 (DKK-1) were measured by real-time quantitative polymerase chain reaction (Real-time PCR). ResultsCompared with the blank group, each drug-containing serum group of Wulao Qisun prescription and the positive drug group inhibited the proliferation of AS fibroblasts and reduced ALP expression (P<0.01). Compared with the blank group, the low drug-containing serum group of Wulao Qisun prescription downregulated β-catenin mRNA expression (P<0.05). The medium and high drug-containing serum groups and the positive drug group significantly downregulated Wnt5a and β-catenin mRNA expression (P<0.05, P<0.01), with the positive drug group showing the most pronounced effect (P<0.01). The high drug-containing serum group and the positive drug group significantly upregulated DKK-1 mRNA expression (P<0.01). Compared with the blank group, the low drug-containing serum group of Wulao Qisun prescription inhibited the expression of OPN and Runx2 proteins (P<0.05, P<0.01), while the medium and high drug-containing serum groups and the positive drug group inhibited the expression of OCN, OPN, and Runx2 proteins (P<0.05, P<0.01). ConclusionThe Wulao Qisun prescription can inhibit the proliferation and osteogenic differentiation of AS fibroblasts, thereby delaying the formation of pathological new bone in AS. The possible mechanism involves the regulation of Wnt/β-catenin-related gene expression, further inhibiting the transcription of downstream target genes.
3.Qingre Sanzhuo Decoction Treats Gouty Arthritis Combined with Hyperuricaemia in Rats via NLRP3/ASC/Caspase-1 Pathway
Haolin LI ; Qian BAI ; Weigang CHENG ; Weiqing LI ; Juanjuan YANG ; Peixin HE ; Huijun YANG ; Haidong WANG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(3):49-57
ObjectiveTo investigate the effect and mechanism of Qingre Sanzhuo decoction in treating gouty arthritis (GA) combined with hyperuricaemia (HUA). MethodsSixty male SD rats were randomized into normal, model, colchicine (0.5 mg·kg-1), and low-, medium-, and high-dose (17, 34, 68 g·kg-1, respectively) Qingre Sanzhuo decoction groups (n=10). The rats in other groups except the normal group were treated with the modified method for the modeling of GA combined with HUA. The drug intervention groups were administrated with corresponding drugs by gavage in the afternoon every day and the normal group and the model group were administrated with an equal volume of sterile normal saline by gavage. The level of uric acid (SUA) in the serum was measured 2 h after the last administration. The degree of ankle joint swelling was calculated 0.5, 12, 24, 48 h after modeling, and joint inflammation was scored. The pathological changes of ankle joints were observed by hematoxylin-eosin staining, and the serum levels of tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), C reactive protein (CRP), and interleukin-18 (IL-18) were measured by enzyme-linked immunosorbent assay. Real-time PCR was performed to determine the mRNA levels of NOD-like receptor protein 3 (NLRP3), apoptosis-associated speck-like protein containing CARD (ASC), cysteinyl aspartate-specific protease-1 (Caspase-1), gasdermin D (GSDMD), and nuclear factor-kappa B (NF-κB) in the synovial tissue of ankle joints. Western blot was employed to determine the protein levels of NLRP3, ASC, and Caspase-1 in ankle joints. The immunohistochemical method was used to detect the expression of GSDMD and NF-κB in the synovial tissue of ankle joints. ResultsCompared with the normal group, the model group showed increased SUA in the serum (P<0.05), ankle joint swelling and joint inflammation (P<0.05), increased number of blood vessels in the synovium, inflammatory cell foci in the synovial bursa, elevated serum levels of TNF-α, IL-1β, CRP, and IL-18 (P<0.05), and up-regulated mRNA and protein levels of NLRP3, ASC, Caspase-1, GSDMD, and NF-κB in the synovial tissue of ankle joints (P<0.05). Compared with the model group, the medium- and high-dose Qingre Sanzhuo decoction groups showed reduced SUA in the serum (P<0.05), alleviated ankle joint swelling and joint inflammation (P<0.05), lowered serum levels of TNF-α, IL-1β, CRP, and IL-18 (P<0.05), and down-regulated mRNA and protein levels of NLRP3, ASC, Caspase-1, GSDMD, and NF-κB in the synovial tissue of ankle joints (P<0.05). However, in terms of ameliorating the pathological changes of ankle joints, only the high-dose Qingre Sanzhuo decoction group showed normal morphology of the synovial membrane of ankle joints and no obvious lesion in the articular cartilage. ConclusionQingre Sanzhuo decoction may play a role in preventing and controlling GA combined with HUA by down-regulating the activity of NLRP3/ASC/Caspase-1 pathway and inhibiting the expression of inflammatory cytokines, such as TNF-α, IL-1β, CRP, and IL-18.
4.Naoqingtong Decoction Ameliorates Kidney Damage in Spontaneously Hypertensive Rats via NLRP3 Inflammasomes
Jiaxin JU ; Caocao CHENG ; Teng GE ; Yalong KANG ; Fang GUAN ; Haifang WANG ; Juanjuan TAN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(4):125-131
ObjectiveTo investigate the effect of Naoqingtong decoction (NQT) on the kidney damage and the inflammatory factors NOD-like receptor protein 3 (NLRP3), apoptosis-associated speck-like protein containing a C-terminal caspase recruitment domain (ASC), cysteinyl aspartate-specific proteinase-1 (Caspase-1), interleukin-6 (IL-6), and tumor necrosis factor-α (TNF-α) in spontaneously hypertensive rats (SHRs). MethodsTwenty-four SHRs were randomized into a model group, a low-dose (12.9 g·kg-1·d-1) NQT (NQT-L) group, a high-dose (25.8 g·kg-1·d-1) NQT group (NQT-H), and a captopril (CTP, 20 mg·kg-1·d-1) group, with 6 rats in each group. In addition, 6 homozygous male Wistar-Kyoto rats were used as the control group. The control and model groups were administrated with the same amount of normal saline by gavage for 8 weeks. General behaviors of rats were observed during the intervention period, and the blood pressure was measured periodically. At the end of intervention, the body mass was weighed, and both kidneys were collected and weighed for the calculation of the renal index. Hematoxylin-eosin staining was performed to observe the pathological changes in the kidney tissue. Real-time fluorescence quantitative polymerase chain reaction (Real-time PCR) and Western blot were employed to determine the expression levels of NLRP3, ASC, Caspase-1, IL-6, and TNF-α in the kidney tissue. ResultsDuring the experiment period, the control group had normal mental status, food intake, and activity, while the model group showed thinning of hair, loss of luster, reduced activity, loss of appetite, fecal adhesion, and irritability, and some of the skin had scratches or blood scabs. The above symptoms were alleviated to different degrees after 8 weeks of NQT administration. An intelligent non-invasive sphygmomanometer was used to measure the tail artery pressure of rats, which showed that the systolic and diastolic blood pressure of rats in the model group was higher than that in the control group (P<0.01). Compared with the model group, drug interventions lowered the systolic and diastolic blood pressure (P<0.05, P<0.01). Compared with the control group, the model group showed severe pathological damage in the kidney tissue, which was alleviated in each drug intervention group. Compared with the control group, the model group showed up-regulated expression levels of NLRP3, ASC, Caspase-1, IL-6, and TNF-α in the kidney tissue (P<0.05, P<0.01). Compared with the model group, the drug intervention groups showed down-regulated expression levels of NLRP3, ASC, Caspase-1, IL-6, and TNF-α in the kidney tissue (P<0.05, P<0.01). ConclusionNQT can lower the blood pressure in SHRs by inhibiting the activation of NLRP3 inflammasomes, suppressing renal inflammation, and ameliorating hypertensive kidney damage.
5.USP20 as a super-enhancer-regulated gene drives T-ALL progression via HIF1A deubiquitination.
Ling XU ; Zimu ZHANG ; Juanjuan YU ; Tongting JI ; Jia CHENG ; Xiaodong FEI ; Xinran CHU ; Yanfang TAO ; Yan XU ; Pengju YANG ; Wenyuan LIU ; Gen LI ; Yongping ZHANG ; Yan LI ; Fenli ZHANG ; Ying YANG ; Bi ZHOU ; Yumeng WU ; Zhongling WEI ; Yanling CHEN ; Jianwei WANG ; Di WU ; Xiaolu LI ; Yang YANG ; Guanghui QIAN ; Hongli YIN ; Shuiyan WU ; Shuqi ZHANG ; Dan LIU ; Jun-Jie FAN ; Lei SHI ; Xiaodong WANG ; Shaoyan HU ; Jun LU ; Jian PAN
Acta Pharmaceutica Sinica B 2025;15(9):4751-4771
T-cell acute lymphoblastic leukemia (T-ALL) is a highly aggressive hematologic malignancy with a poor prognosis, despite advancements in treatment. Many patients struggle with relapse or refractory disease. Investigating the role of the super-enhancer (SE) regulated gene ubiquitin-specific protease 20 (USP20) in T-ALL could enhance targeted therapies and improve clinical outcomes. Analysis of histone H3 lysine 27 acetylation (H3K27ac) chromatin immunoprecipitation sequencing (ChIP-seq) data from six T-ALL cell lines and seven pediatric samples identified USP20 as an SE-regulated driver gene. Utilizing the Cancer Cell Line Encyclopedia (CCLE) and BloodSpot databases, it was found that USP20 is specifically highly expressed in T-ALL. Knocking down USP20 with short hairpin RNA (shRNA) increased apoptosis and inhibited proliferation in T-ALL cells. In vivo studies showed that USP20 knockdown reduced tumor growth and improved survival. The USP20 inhibitor GSK2643943A demonstrated similar anti-tumor effects. Mass spectrometry, RNA-Seq, and immunoprecipitation revealed that USP20 interacted with hypoxia-inducible factor 1 subunit alpha (HIF1A) and stabilized it by deubiquitination. Cleavage under targets and tagmentation (CUT&Tag) results indicated that USP20 co-localized with HIF1A, jointly modulating target genes in T-ALL. This study identifies USP20 as a therapeutic target in T-ALL and suggests GSK2643943A as a potential treatment strategy.
6.Effect of tectorigenin on the viability, migration, and apoptosis of hepatoma cells and its mechanism
Wenmin TANG ; Mingliang CHENG ; Juanjuan ZHU
Journal of Clinical Hepatology 2025;41(10):2082-2092
ObjectiveTo investigate the effect of blueberry-derived tectorigenin (TEC) on hepatocellular carcinoma cell lines HepG2 and Huh7 and its mechanism. MethodsTEC was extracted from blueberries and purified, and a bioinformatics analysis was performed to identify potential target genes and signaling pathways. HepG2 and Huh7 cell lines were used and divided into 0, 30, 60, and 90 μg/mL groups according to the concentration of TEC. CCK-8 assay was used to measure cell viability; wound healing assay and Transwell assay were used to assess the migration ability of cells; flow cytometry was used to measure cell apoptosis rate; Western Blot was used to measure the protein expression levels of CCNB1, p53, MDM2, Bax, Bcl-2, and active-Caspase 3. Cell models with low CCNB1 expression (NC group, si-NC group, si-NC+TEC group, si-CCNB1 group, and si-CCNB1+TEC group) and CCNB1 overexpression (OE-NC group, OE-NC+TEC group, OE-CCNB1 group, and OE-CCNB1+TEC group) were established to validate the targets. A one-way analysis of variance or two factors analysis of variance was used for comparison of continuous data between multiple groups, and the least significant difference t-test was used for further comparison between two groups. The Wilcoxon signed rank sum test was used to compare the expression levels of genes between cancer tissue and paracancerous tissue. ResultsIn HepG2 and Huh7 cells under the same concentration of TEC, cell viability at 24 hours of TEC intervention was significantly lower than that at 12 and 48 hours (all P<0.05), and at 24 hours of intervention, the TEC 90 μg/mL group had a significantly lower cell viability than the other groups (all P<0.05). Therefore, TEC intervention for 24 hours at a concentration of 90 μg/mL was used for subsequent studies. Compared with the TEC 0 μg/mL group, the 30, 60, and 90 μg/mL groups had significant reductions in the number of migrated cells and wound healing rate (all P<0.05), and compared with the NC group and si-NC group, the si-NC+TEC group and the si-CCNB1 group for HepG2 and Huh7 cells had significant reductions in the number of migrated cells and wound healing rate (all P<0.05). Compared with the NC group and si-NC group, the si-NC+TEC group and the si-CCNB1 group for HepG2 and Huh7 cells had a significant increase in cell apoptosis rate (all P<0.05). For HepG2 cells, compared with the 0 μg/mL group, the 30, 60, and 90 μg/mL groups had significant reductions in the protein expression levels of CCNB1 and Bcl-2 (all P<0.05), and the 60 and 90 μg/mL groups had significant increases in the protein expression levels of p53, Bax, and active-Caspase 3 (all P<0.001) and a significant reduction in the protein expression level of MDM2 (both P<0.05). For Huh7 cells, compared with the 0 μg/mL group, the 30, 60, and 90 μg/mL groups had a significant reduction in the protein expression level of CCNB1 (all P<0.01); the 60 and 90 μg/mL groups had significant increases in the protein expression levels of p53 and Bax and a significant reduction in the protein expression level of MDM2 (all P<0.05); the 90 μg/mL group had a significant reduction in the protein expression level of Bcl-2 and a significant increase in the protein expression level of active-Caspase 3 (both P<0.01). Compared with the si-NC group, the si-NC+TEC group and the si-CCNB1 group for HepG2 and Huh7 cells had significant reductions in the protein expression levels of CCNB1, MDM2, and Bcl-2 and significant increases in the protein expression levels of p53 and Bax (all P<0.05). Compared with the OE-NC group, the OE-NC+TEC group for HepG2 and Huh7 cells had significant reductions in the protein expression levels of CCNB1 and MDM2 and a significant increase in the protein expression level of p53 (all P<0.05), while the OE-CCNB1 group had significant increases in the protein expression levels of CCNB1 and MDM2 and a significant reduction in the protein expression level of p53 (all P<0.05), and there were no significant differences in the protein expression level of CCNB1, MDM2, and p53 between the OE-CCNB1 group and the OE-CCNB1+TEC group (all P>0.05). ConclusionTEC can inhibit the proliferation and migration of HepG2 and Huh7 cells and promote their apoptosis in vitro, possibly by downregulating the expression of CCNB1 and activating the p53 signaling pathway.
7.Research Progress on Pathogenesis of Ankylosing Spondylitis and Intervention of Traditional Chinese Medicine: A Review
Zhendong WANG ; Juanjuan YANG ; Haolin LI ; Dongsheng LU ; Qian BAI ; Weigang CHENG ; Ping CHEN ; Haidong WANG
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(22):289-298
Ankylosing spondylitis (AS) is an inflammatory autoimmune disease with chronic low back pain as the main clinical manifestation, which mainly affects the axial joints, peripheral joints and various organs. In severe cases, the spine is stiff or deformed, which affects the quality of life and health of patients. The pathogenic factors of AS are complex, which are related to heredity, immunity and intestinal flora. The pathogenesis of AS is not clear yet. Among them, inflammatory reaction, bone destruction and heterotopic ossification are the main pathological features of AS, which play an important role in the disease process of AS. Traditional Chinese medicine has multi-target, multi-channel and multi-component pharmacological effects, which can prevent and treat AS by anti-inflammation, inhibiting bone destruction and preventing heterotopic ossification, and the clinical effect is remarkable, but there is no relevant literature report. Therefore, this review expounds the relationship between inflammatory reaction, bone destruction and heterotopic ossification and the occurrence and development of AS, and summarizes the latest research reports of traditional Chinese medicine in treating AS from anti-inflammatory, inhibiting bone destruction and preventing heterotopic ossification, aiming at providing reference and new ideas and directions for further research on the prevention and treatment of AS by traditional Chinese medicine.
8.The clinical value of NLRP3 inflammasome level combined with ECP/MPO ratio in predicting the recur-rence of chronic sinusitis after endoscopic sinus surgery
Juanjuan FENG ; Zexing CHENG ; Lu XIAO
The Journal of Practical Medicine 2024;40(22):3196-3201
Objective To explore the clinical value of NOD-like receptor pyrin domain-containing protein 3(NLRP3)inflammasome levels combined with eosinophil cationic protein(ECP)/myeloperoxidase(MPO)ratio in predicting the recurrence of chronic rhinosinusitis after endoscopic sinus surgery.Methods 205 patients with chronic sinusitis who received treatment from the hospital from February 2018 to December 2022 after endoscopic sinus surgery were selected for prospective analysis.The patients were divided into non-recurrence group and recurrence group according to whether they relapsed one year after surgery.The factors influencing the recurrence of patients with chronic sinusitis after endoscopic sinus surgery were screened,and the predictive efficacy was evaluated by receiver operating characteristic curve(ROC).Results The NLRP3 inflammasome level,ECP/MPO ratio,sinus CT score,Lund-Kennedy score and immunoglobulin E in the relapsing group were higher than non-relapsing group(P<0.05).NLRP3 inflammasome level,ECP/MPO ratio,sinus CT score,Lund-Kennedy score and immu-noglobulin E were the influencing factors of postoperative recurrence in patients with chronic sinusitis(P<0.05).The area under the curve(AUC)values of NLRP3 inflammasome level,ECP/MPO ratio and combined prediction of postoperative recurrence in patients with chronic sinusitis were 0.823,0.815 and 0.899,respectively(P<0.05),and the AUC value of combined NLRP3 was higher(P<0.05).Conclusion NLRP3 inflammasome level combined with ECP/MPO ratio has a high value in predicting the risk of recurrence after nasal endoscopy.
9.Effects of Ppp1r17 down-regulation on drinking-related behaviors and AKT/GSK-3β/CREB signaling pathway activation in mice
Zhuanfang YANG ; Jiajia HU ; Xizhe SUN ; Yan CHENG ; Juanjuan YUAN ; Yu ZHANG ; Litian YIN
Chinese Journal of Pathophysiology 2024;40(11):1985-1992
AIM:To investigate the impact of hippocampal protein phosphatase 1 regulator subunit 17(Ppp1r17)down-regulation on drinking-related behavior in mice,and to explore the protein kinase B(PKB/AKT)/glyco-gen synthase kinase-3β(GSK-3β)/cAMP response element binding protein(CREB)signaling pathway of Ppp1r17 in the development of alcohol dependence.METHODS:Forty male C57BL/6J mice were randomly divided into four groups(n=10):control group,shPpp1r17① group,shPpp1r17② group and shPpp1r17③ group.The mRNA and protein expression levels in the hippocampal tissues were evaluated after 3 weeks of AAV-shPpp1r17 injection.Twenty male C57BL/6J mice were randomly divided into a control group and a shPpp1r17 group(n=10).An open-field test,conditioned place prefer-ence(CPP)test and righting reflex test were performed.Furthermore,the localization and expression of AAV-shPpp1r17 were detected after 3 weeks of AAV-shPpp1r17 injection.Twenty male C57BL/6J mice were randomly divided into four groups(n=5):the empty virus+water group,the empty virus+EtOH group,the shPpp1r17+water group and the shPpp1r17+EtOH group.The EtOH group mice drank 9%alcohol continuously for 30 d.The protein expression levels of Ppp1r17,p-AKT,AKT,p-GSK-3β,GSK-3β,p-CREB and CREB were detected by Western blot.RESULTS:(1)The results of qPCR showed that Ppp1r17 was successfully suppressed by shPpp1r17.(2)The behavioral results showed that the shPpp1r17 group mice exhibited enhanced exercise ability and reduced anxiety-like emotions,and the downregulation of Ppp1r17 increased CPP scores and reduced the sensitivity of the mice to alcohol.(3)Immunofluorescence showed that AAV-shPpp1r17 was specifically expressed in the hippocampus.(4)Western blot analysis revealed that Ppp1r17 and the p-AKT/AKT,p-GSK-3β/GSK-3β and p-CREB/CREB ratios were significantly increased after treatment of EtOH.Howev-er,the protein expression of Ppp1r17 was significantly reduced,and the AKT/GSK-3β/CREB pathway was activated after knockdown of Ppp1r17 in the hippocampus.CONCLUSION:Ppp1r17 may suppress CREB phosphorylation through the AKT/GSK-3β/CREB pathway,thereby influencing alcohol drinking preference and locomotor behavior in mice.
10.Inhibition of inflammation and bone destruction in mice with colla-gen-induced arthritis by Zushima Plaster
Juanjuan YANG ; Haolin LI ; Tianning YANG ; Weigang CHENG ; Zhendong WANG ; Fangmei JIN ; Fanghong NIAN ; Xiaojun SU ; Jiaqiang WANG ; Haiping WANG ; Haidong WANG
Chinese Journal of Clinical Pharmacology and Therapeutics 2024;29(9):979-987
AIM:To investigate the inhibitory ef-fect of Zushima ointment on inflammation and bone destruction in CIA mice.METHODS:SPF grade male DBA/1 mice were used,6 were random-ly selected as the normal group,and 18 CIA mice that were successfully modelled were randomly di-vided into the model group,the plaster group(1.0 g/kg),and the fuselage group(0.12 g per time)ac-cording to the random number table method,6 mice in each group,and each administered group was given medication according to the body mass,and saline was given to both the normal and model groups.The normal group and the model group were given saline,and breathable adhesive paper was applied once a day for 4 h/session for 4 consec-utive weeks.The arthritis scoring index was used to observe the changes of arthritis symptoms and ar-thritis index scores of mice in each group.Micro-CT was used to observe the damage of hind paw of mice,real-time fluorescence PCR was used to de-tect the mRNA expression of IL-17,IL-1β and TNF-αin ankle joint tissues,and immunohistochemistry was used to detect the expression of OPG and RANKL proteins in ankle joint tissues,and hematox-ylin-eosin(HE)staining was used to observe the pathological changes of synovial tissues after the treatment.The pathological changes of synovial tis-sue were observed after hematoxylin-eosin(HE)staining,and the changes of osteoclasts in ankle joint tissue were observed by anti-tartaric acid phosphatase(TRAP)method.RESULTS:Compared with the normal group,the arthritis index score of the model mice was significantly higher(P<0.05).Micro-CT showed severe bone erosion in the hind paws of the mice,destruction of the bone surface and reduction of bone volume.The expression of IL-17,IL-1β and TNF-α mRNA(PCR)in the ankle joint tissues was significantly higher(P<0.05).Im-munohistochemistry showed that the relative ex-pression of OPG protein in the ankle joint tissues was reduced(P<0.05).Immunohistochemistry showed a decrease in the relative expression of OPG protein(P<0.01)and an increase in the rela-tive expression of RANKL protein(P<0.01).HE re-sults showed moderate inflammatory cell infiltra-tion,swelling of synovial cells,massive formation of vascular opacities and synovial hyperplasia;an increase in the number of osteoclasts,roughness of the surface of articular cartilage tissue,severe bone destruction and thinning of the cartilage lay-er.Compared with the model group,the arthritic symptoms of mice in the cream group and the futa-lin group were relieved and the arthritis index score was reduced;the bone density of the mice's hind paws improved,effectively relieving osteopo-rosis;the expression of IL-17,IL-1β and TNF-αmRNA(PCR)in the ankle joint tissue was signifi-cantly reduced(P<0.05);the immunohistochemical results showed that the relative expression of OPG protein was increased(P<0.05),the relative expres-sion of RANKL protein decreased(P<0.01).HE re-sults showed that synovial cell enlargement was significantly improved,mild inflammatory cell infil-tration,synovial hyperplasia was not obvious;the number of broken bone was reduced,articular car-tilage destruction was significantly improved and relieved,and the thickness of cartilage layer was significantly increased.CONCLUSION:Ancestral hemp poultice relieves local symptoms of RA,re-duces the expression of inflammatory factors and attenuates the inflammatory response,possibly by inhibiting osteoclast differentiation and activation through modulation of the OPG/RANKL signalling axis,which further ameliorates the biological ef-fects of articular bone and cartilage destruction.

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