1.Autophagy Abnormalities in PCOS and Targeted Treatment with Traditional Chinese Medicine: A Review
Xinxin YANG ; Zhicheng JIA ; Mengyu SHI ; Yongqian LI ; Peixuan WANG ; Ying GUO
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(3):313-322
Polycystic ovary syndrome (PCOS) is a common gynecological endocrine and reproductive disorder,with the main clinical manifestations including ovulation failure,insulin resistance,hyperandrogenism,and obesity. Its occurrence and development are closely related to cellular regulatory mechanisms such as apoptosis,autophagy,oxidative stress,and inflammatory response. Autophagy,as a clearance mechanism that maintains cellular homeostasis,plays a crucial role in maintaining the growth,development,and maturation of oocytes. Exploring the mechanism of autophagy during the occurrence and development of diseases can help develop treatment methods for PCOS by regulating autophagy. Studies have shown that autophagy plays an important role in the pathogenesis of PCOS,and it can affect the occurrence and development of PCOS through multiple pathways,levels,and targets. Traditional Chinese medicine (TCM) regulates autophagy in ovarian granulosa cells or endometrium of patients with PCOS by targeting the expression of autophagy signaling pathways,regulatory factors,and non-coding single-stranded RNA molecules,thereby alleviating inflammation,regulating metabolism disorders,and balancing hormone levels in PCOS. Accordingly,TCM can ameliorate pathological conditions such as insulin resistance,hyperandrogenism,and ovulation failure in PCOS. This article summarizes the TCM formulas and extracts for the treatment of PCOS,as well as the main autophagy pathways and regulatory factors involved,aiming to provide reference and suggestions for the future treatment of PCOS with TCM by regulating autophagy.
2.Analysis of the dilemmas of the simplified ethical review procedure in practice
Benze HU ; Yuhong HUANG ; Xufang GU ; Weihua GUO ; Siyuan HU ; Yaqing YANG
Chinese Medical Ethics 2025;38(1):46-51
In September 2023, the Measures for Scientific and Technological Ethics Review (Trial Implementation) was issued, revising the provisions related to the simplified procedure for ethical review in Chapter 3, Section 3. This revision of these provisions provides systematic guarantees for further optimizing ethical review work, ensuring that ethical review procedure is well-regulated, and improving scientific research efficiency. The “simplified procedure” does not mean reducing the quality and requirements of the review. Instead, based on always following internationally recognized ethical standards and emphasizing not violating national laws and regulations, improving the efficiency of ethical review and subsequent research work, and promoting the development of life sciences and medical research involving humans. In practical work, it introduces numerous new opportunities and challenges for the improvement of ethics review ability, such as new tests on the judgment and decision-making power of ethics committees, how to ensure the reliability and controllability of the conditions related to the simplified review procedure, and how to determine the basic conditions for adopting the simplified review procedure for review. Therefore, to actively respond to the challenges and possible risks brought by the simplified procedure review, efforts should be made to achieve three “unifications”, including the unification of researchers’ moral autonomy and the heteronomy of supervision implemented by relevant departments; the unification of the standard formulation of the simplified procedure review and the review work in practice; and the unification of ethical responsibility and legal responsibility.
3.Spatio-temporal clustering analysis of influenza in Jiaxing City
WANG Yuanhang ; FU Xiaofei ; QI Yunpeng ; LIU Yang ; ZHOU Wanling ; GUO Feifei
Journal of Preventive Medicine 2025;37(1):55-58
Objective:
To investigate the epidemiological and spatio-temporal characteristics of influenza in Jiaxing City, Zhejiang Province, so as to provide insights into perfecting the prevention and control strategies of influenza.
Methods:
Data of influenza in Jiaxing City from 2019 to 2023 were collected from the Chinese Disease Prevention and Control Information System. Population data of the same period were collected from the Zhejiang Health Information Network Reporting System. The epidemiological characteristics of influenza were analyzed using descriptive analysis. Vector map information was collected from the Open Street Map, and the spatio-temporal clustering characteristics of influenza were analyzed using spatial autocorrelation and spatio-temporal scanning.
Results:
A total of 181 501 cases of influenza were reported in Jiaxing City from 2019 to 2023, with an average annual reported incidence of 653.93/105. The majority of cases were aged 5 to <15 years (59 785 cases, 32.94%). The majority of the occupations were students (78 239 cases, 43.11%) and pre-school children (33 715 cases, 18.58%). The county (city, district) with the highest reported incidence was Haining City (1 451.70/105), and the town (street) with the highest reported incidence was Chang'an Town (1 932.78/105). Spatial autocorrelation analysis showed that the incidence of influenza in Jiaxing City from 2019 to 2023 had positive spatial correlations (all Moran's I>0, all P<0.05), with a high-high clustering in the southern region. Spatio-temporal scanning analysis showed that there was a spatio-temporal clustering of influenza in Jiaxing City from 2019 to 2023, with the southern region being the primary-type clustering area and the period between November and January of the following year being the clustering time.
Conclusion
There was a significant spatio-temporal clustering of influenza in Jiaxing City from 2019 to 2023, with winter being the peak season and the southern region being the primary area.
4.Influencing factors for delay in healthcare-seeking, definitive diagnosis, identification in patients with pulmonary tuberculosis in Minhang District
MA Qiongjin ; YAN Huiqin ; WU Yunhua ; GUO Xu ; YANG Lijia ; TANG Lihong ; YANG Shengyuan
Journal of Preventive Medicine 2025;37(1):59-64
Objective:
To investigate the influencing factors for delay in healthcare-seeking, definitive diagnosis and identification in patients with pulmonary tuberculosis (PTB) in Minhang District, Shanghai Municipality, so as to provide the basis for effectively reducing delay in PTB patients.
Methods:
Data of PTB patients in Minhang District from 2017 to 2022 were collected from the Infectious Disease Reporting Information System of Chinese Disease Prevention and Control Information System. The prevalence rates of delay in healthcare-seeking, definitive diagnosis and identification were analyzed, and factors affecting delay in healthcare-seeking, definitive diagnosis and identification were identified using multivariable logistic regression models.
Results:
A total of 4 214 PTB patients were reported in Minhang District from 2017 to 2022, including 2 802 males and 1 412 females, with a male-to-female ratio of 1.98∶1. The majority of patients were aged 25 to <45 years (1 664 cases, 39.49%). The prevalence rates of delay in healthcare-seeking, definitive diagnosis and identification were 36.81%, 30.21% and 38.09%, respectively. Delay in healthcare-seeking was associated with the year (2018, OR=0.708; 2019, OR=0.549; 2020, OR=0.670; 2021, OR=0.682), gender (female, OR=1.199), occupation (worker, OR=1.379; housekeeping service/housework/unemployed, OR=1.481), case identification route (symptom-based consultation, OR=11.159), and level of the first-diagnosed hospital (city-level, OR=1.528). Delay in definitive diagnosis was associated with age (45 to <65 years, OR=1.476), occupation (commercial service, OR=0.687; housekeeping service/housework/unemployed, OR=0.672), household registration (non-local, OR=0.820), case identification route (symptom-based consultation, OR=0.616), pathogen test result (negative/not tested, OR=1.903), and the level of the first-diagnosed hospital (city-level, OR=0.311). Delay in identification was associated with the year (2018, OR=0.785; 2019, OR=0.647; 2020, OR=0.790; 2021, OR=0.710), occupation (commercial service, OR=0.687), household registration (non-local, OR=0.848) and level of the first-diagnosed hospital (city-level, OR=0.560)
Conclusions
Year, gender, occupation, case identification route and level of the first-diagnosed hospital are influencing factors for delay in healthcare-seeking in PTB patients. Age, occupation, household registration, case identification route, pathogen test result and level of the first-diagnosed hospital are influencing factors for delay in definitive diagnosis. Year, occupation, household registration and level of the first-diagnosed hospital are influencing factors for delay in identification.
5.Screening key genes of PANoptosis in hepatic ischemia-reperfusion injury based on bioinformatics
Lirong ZHU ; Qian GUO ; Jie YANG ; Qiuwen ZHANG ; Guining HE ; Yanqing YU ; Ning WEN ; Jianhui DONG ; Haibin LI ; Xuyong SUN
Organ Transplantation 2025;16(1):106-113
Objective To explore the relationship between PANoptosis and hepatic ischemia-reperfusion injury (HIRI), and to screen the key genes of PANoptosis in HIRI. Methods PANoptosis-related differentially expressed genes (PDG) were obtained through the Gene Expression Omnibus database and GeneCards database. Gene ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG), and Gene Set Enrichment Analysis (GSEA) were used to explore the biological pathways related to PDG. A protein-protein interaction network was constructed. Key genes were selected, and their diagnostic value was assessed and validated in the HIRI mice. Immune cell infiltration analysis was performed based on the cell-type identification by estimating relative subsets of RNA transcripts. Results A total of 16 PDG were identified. GO analysis showed that PDG were closely related to cellular metabolism. KEGG analysis indicated that PDG were mainly enriched in cellular death pathways such as apoptosis and immune-related signaling pathways such as the tumor necrosis factor signaling pathway. GSEA results showed that key genes were mainly enriched in immune-related signaling pathways such as the mitogen-activated protein kinase (MAPK) signaling pathway. Two key genes, DFFB and TNFSF10, were identified with high accuracy in diagnosing HIRI, with areas under the curve of 0.964 and 1.000, respectively. Immune infiltration analysis showed that the control group had more infiltration of resting natural killer cells, M2 macrophages, etc., while the HIRI group had more infiltration of M0 macrophages, neutrophils, and naive B cells. Real-time quantitative polymerase chain reaction results showed that compared with the Sham group, the relative expression of DFFB messenger RNA in liver tissue of HIRI group mice increased, and the relative expression of TNFSF10 messenger RNA decreased. Cibersort analysis showed that the infiltration abundance of naive B cells was positively correlated with DFFB expression (r=0.70, P=0.035), and the infiltration abundance of M2 macrophages was positively correlated with TNFSF10 expression (r=0.68, P=0.045). Conclusions PANoptosis-related genes DFFB and TNFSF10 may be potential biomarkers and therapeutic targets for HIRI.
6.Modified Xiehuangsan Regulates Microglial Polarization and TLR4/MyD88/NF-κB Pathway to Treat Tic Disorders in Rats
Mengjie ZHAO ; Qiong ZHAO ; Cuiling YANG ; Hongyun ZHOU ; Xiangjuan SUN ; Xinyi GUO ; Sajiyue HUANG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(4):10-18
ObjectiveTo explore the mechanism of modified Xiehuangsan in treating tic disorders (TD) based on microglial polarization and the Toll-like receptor 4 (TLR4)/myeloid differentiation factor 88 (MyD88)/nuclear factor (NF)-κB pathway. MethodsSeventy-two Sprague-Dawley (SD) rats were randomly assigned into six groups: control, model, tiapride (0.025 g·kg-1), and low-, medium-, and high-dose (12, 24, 48 g·kg-1, respectively) modified Xiehuangsan, with 12 rats in each group. Except the control group, the other groups received intraperitoneal injection of 3,3'-iminodipropionitrile (IDPN) for 7 consecutive days for the modeling of TD. After successful modeling, the control and model groups were given normal saline via gavage, and the other groups were administrated with corresponding drugs by gavage. After 28 days of continuous intervention, rat behaviors were observed, and the modified Xiehuangsan group showing the best anti-TD effect was selected for deciphering the treatment mechanism. Hematoxylin and eosin staining was conducted to observe morphological changes in the rat striatum. Immunohistochemistry was employed to detect the expression of CD16 and CD206 in the striatum. Real-time PCR was employed to measure the mRNA levels of interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α), IL-4, TLR4, MyD88, and NF-κB p65 in the striatum. Western blot was employed to determine the protein levels of ionized calcium-binding adapter molecule 1 (Iba1), Fc receptor family for immunoglobulin (Ig)G type Ⅲ (CD16), mannose receptor (CD206), TLR4, MyD88, and NF-κB p65 in the striatum. ResultsCompared with the control group, the model group showed increased stereotyped behaviors, locomotor activity, total movement distance, and movement speed, shortened resting time (P<0.01), and noticeable pathological changes in the striatum. Compared with the model group, the tiapride group and modified Xiehuangsan groups exhibited reduced stereotyped behavior, locomotor activity, total movement distance, and movement speed, prolonged resting time (P<0.05, P<0.01), and alleviated pathological changes in the striatum. Among the modified Xiehuangsan groups, the high-dose group had the best intervention effect and the mildest pathological changes. Therefore, the high-dose group was selected for further research. Compared with the control group, the modeling of TD increased Iba1 and CD16 expression (P<0.05, P<0.01), up-regulated the mRNA levels of IL-1β and TNF-α (P<0.05, P<0.01), down-regulated the mRNA level of IL-4 (P<0.05), up-regulated the mRNA and protein levels of TLR4 and MyD88 (P<0.05, P<0.01), and up-regulated the protein level of NF-κB p65 (P<0.01). Compared with the model group, modified Xiehuangsan reduced Iba1 and CD16 expression (P<0.05, P<0.01), up-regulated the protein level of CD206 (P<0.05, P<0.01), down-regulated the mRNA levels of IL-1β and TNF-α (P<0.05), up-regulated the mRNA level of IL-4 (P<0.01), and down-regulated the mRNA and protein levels of TLR4, MyD88, and NF-κB p65 (P<0.05, P<0.01). ConclusionModified Xiehuangsan demonstrated a definite therapeutic effect on TD in rats. It may reduce neuroinflammation in TD rats by regulating the polarization of microglia in the striatum via the TLR4/MyD88/NF-κB signaling pathway.
7.Expert Consensus on Clinical Application of Qinbaohong Zhike Oral Liquid in Treatment of Acute Bronchitis and Acute Attack of Chronic Bronchitis
Jian LIU ; Hongchun ZHANG ; Chengxiang WANG ; Hongsheng CUI ; Xia CUI ; Shunan ZHANG ; Daowen YANG ; Cuiling FENG ; Yubo GUO ; Zengtao SUN ; Huiyong ZHANG ; Guangxi LI ; Qing MIAO ; Sumei WANG ; Liqing SHI ; Hongjun YANG ; Ting LIU ; Fangbo ZHANG ; Sheng CHEN ; Wei CHEN ; Hai WANG ; Lin LIN ; Nini QU ; Lei WU ; Dengshan WU ; Yafeng LIU ; Wenyan ZHANG ; Yueying ZHANG ; Yongfen FAN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(4):182-188
The Expert Consensus on Clinical Application of Qinbaohong Zhike Oral Liquid in Treatment of Acute Bronchitis and Acute Attack of Chronic Bronchitis (GS/CACM 337-2023) was released by the China Association of Chinese Medicine on December 13th, 2023. This expert consensus was developed by experts in methodology, pharmacy, and Chinese medicine in strict accordance with the development requirements of the China Association of Chinese Medicine (CACM) and based on the latest medical evidence and the clinical medication experience of well-known experts in the fields of respiratory medicine (pulmonary diseases) and pediatrics. This expert consensus defines the application of Qinbaohong Zhike oral liquid in the treatment of cough and excessive sputum caused by phlegm-heat obstructing lung, acute bronchitis, and acute attack of chronic bronchitis from the aspects of applicable populations, efficacy evaluation, usage, dosage, drug combination, and safety. It is expected to guide the rational drug use in medical and health institutions, give full play to the unique value of Qinbaohong Zhike oral liquid, and vigorously promote the inheritance and innovation of Chinese patent medicines.
8.Effect of Slicing Angle and Initial Water Content on Water Migration and Effective Ingredient Content in Drying Process of Salviae Miltiorrhizae Radix et Rhizoma
Guohong YANG ; Bingqian ZHOU ; Heng LU ; Xiao WANG ; Lanping GUO ; Wei LIU
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(4):208-216
ObjectiveTo explore the effects of angle and original moisture content on the moisture distribution, migration and contents of effective components in the drying process of sliced Salviae Miltiorrhizae Radix et Rhizoma(SMRR). MethodsSet the slicing angles of SMRR at 30°, 45°, and 90°. Cut the fresh samples, 1/3 dehydrated samples, and 2/3 dehydrated samples, dry them in an oven at 40 ℃ and take samples at the set time points. Low-field nuclear magnetic resonance(LF-NMR) and magnetic resonance imaging(MRI) were used to analyze the changes in transverse relaxation time(T2) of SMRR samples in 9 treatment groups at specific times, as well as the distribution and migration of water in the samples. The contents of tanshinone ⅡA, tanshinone Ⅰ, cryptotanshinone, and salvianolic acid B in samples from 9 different treatment groups were determined by high performance liquid chromatography(HPLC), and the best processing technology of SMRR was screened by combining with One-way ANOVA, Duncan multiple comparison and principal component analysis(PCA). ResultsThe moisture content of dry basis of SMRR in each treatment group decreased with the extension of drying time. The drying rate of fresh cut group decreased slowly at first, while the drying rate of water loss group showed a trend of increasing at first and then decreasing. The internal water of SMRR could be divided into three states, including bound water, non flowing water and free water. During the drying process, the water migration law showed that the free water of fresh cut group disappeared after drying for 12 h, the content of bound water gradually decreased, and the overall fluidity deteriorated. In the water loss group, part of the free water was transformed into more cohesive and non flowing water after drying for 3 h, and the three kinds of water basically disappeared after drying for 12 h. The MRI results showed that the entire dehydration process slowly moved from the outer side to the center, and the internal water eventually dissipated. In terms of the contents of active ingredients, the order of the effect of slicing angle on the total content of active ingredients in SMRR was 30°>45°>90°. The content of tanshinones was ranked as 1/3 dehydrated group>2/3 dehydrated group>fresh cut group, and the content of salvianolic acid B was ranked as 1/3 dehydrated group>fresh cut group>2/3 dehydrated group. Combined with the results of PCA and comprehensive scoring results, the overall level of effective component content in SMRR was the highest when cut at 30° after 1/3 of water loss. ConclusionAfter comprehensive evaluation, SMRR can be sliced at 30° after 1/3 of water loss. It is not only easy to cut, but also the surface and cross-sectional colors remain basically unchanged after drying, which is similar to the color under traditional processing, and the effective ingredients are preserved the highest. This study can provide a basis for the optimization of processing technology of SMRR.
9.Role of SWI/SNF Chromatin Remodeling Complex in Tumor Drug Resistance
Gui-Zhen ZHU ; Qiao YE ; Yuan LUO ; Jie PENG ; Lu WANG ; Zhao-Ting YANG ; Feng-Sen DUAN ; Bing-Qian GUO ; Zhu-Song MEI ; Guang-Yun WANG
Progress in Biochemistry and Biophysics 2025;52(1):20-31
Tumor drug resistance is an important problem in the failure of chemotherapy and targeted drug therapy, which is a complex process involving chromatin remodeling. SWI/SNF is one of the most studied ATP-dependent chromatin remodeling complexes in tumorigenesis, which plays an important role in the coordination of chromatin structural stability, gene expression, and post-translation modification. However, its mechanism in tumor drug resistance has not been systematically combed. SWI/SNF can be divided into 3 types according to its subunit composition: BAF, PBAF, and ncBAF. These 3 subtypes all contain two mutually exclusive ATPase catalytic subunits (SMARCA2 or SMARCA4), core subunits (SMARCC1 and SMARCD1), and regulatory subunits (ARID1A, PBRM1, and ACTB, etc.), which can control gene expression by regulating chromatin structure. The change of SWI/SNF complex subunits is one of the important factors of tumor drug resistance and progress. SMARCA4 and ARID1A are the most widely studied subunits in tumor drug resistance. Low expression of SMARCA4 can lead to the deletion of the transcription inhibitor of the BCL2L1 gene in mantle cell lymphoma, which will result in transcription up-regulation and significant resistance to the combination therapy of ibrutinib and venetoclax. Low expression of SMARCA4 and high expression of SMARCA2 can activate the FGFR1-pERK1/2 signaling pathway in ovarian high-grade serous carcinoma cells, which induces the overexpression of anti-apoptosis gene BCL2 and results in carboplatin resistance. SMARCA4 deletion can up-regulate epithelial-mesenchymal transition (EMT) by activating YAP1 gene expression in triple-negative breast cancer. It can also reduce the expression of Ca2+ channel IP3R3 in ovarian and lung cancer, resulting in the transfer of Ca2+ needed to induce apoptosis from endoplasmic reticulum to mitochondria damage. Thus, these two tumors are resistant to cisplatin. It has been found that verteporfin can overcome the drug resistance induced by SMARCA4 deletion. However, this inhibitor has not been applied in clinical practice. Therefore, it is a promising research direction to develop SWI/SNF ATPase targeted drugs with high oral bioavailability to treat patients with tumor resistance induced by low expression or deletion of SMARCA4. ARID1A deletion can activate the expression of ANXA1 protein in HER2+ breast cancer cells or down-regulate the expression of progesterone receptor B protein in endometrial cancer cells. The drug resistance of these two tumor cells to trastuzumab or progesterone is induced by activating AKT pathway. ARID1A deletion in ovarian cancer can increase the expression of MRP2 protein and make it resistant to carboplatin and paclitaxel. ARID1A deletion also can up-regulate the phosphorylation levels of EGFR, ErbB2, and RAF1 oncogene proteins.The ErbB and VEGF pathway are activated and EMT is increased. As a result, lung adenocarcinoma is resistant to epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs). Although great progress has been made in the research on the mechanism of SWI/SNF complex inducing tumor drug resistance, most of the research is still at the protein level. It is necessary to comprehensively and deeply explore the detailed mechanism of drug resistance from gene, transcription, protein, and metabolite levels by using multi-omics techniques, which can provide sufficient theoretical basis for the diagnosis and treatment of poor tumor prognosis caused by mutation or abnormal expression of SWI/SNF subunits in clinical practice.
10.Effect of Quercetin on Cuproptosis in Rheumatoid Arthritis Rats and Its Mechanism via SLC31A1/FDX1 Pathway
Haoruo YANG ; Qiuai KOU ; Junhua REN ; Guo YUAN ; Bin YANG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(1):121-130
ObjectiveTo observe the influence and therapeutic effect of quercetin on cuproptosis in rheumatoid arthritis rats and to explore its possible mechanism based on the solute carrier family 31 member 1 (SLC31A1)/ferredoxin 1 (FDX1) pathway. MethodsSixty male SD rats were divided into six groups: A control group, a model group, high- and low-dose quercetin groups (150 and 50 mg·kg-1), a cuproptosis inhibitor (tetrathiomolybdate, TTM) group (10 mg·kg-1), and a methotrexate group (2 mg·kg-1), 10 rats in each group. Except for the control group, the model of rheumatoid arthritis (CIA) rats was established by type Ⅱ collagen induction method. After successful modeling, each drug group was intervened according to the corresponding dose of drugs, and the control group and the model group were given the same amount of normal saline by gavage, once a day, which lasted for 4 weeks. The swelling degree of rats' feet was observed, and the clinical arthritis scores were determined. The levels of serum rheumatoid factor (RF), matrix metalloproteinase-3 (MMP-3), tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), interleukin-10 (IL-10), and ceruloplasmin (Cp) were detected by enzyme-linked immunosorbent assay (ELISA). The content of copper ion (Cu), malondialdehyde (MDA), superoxide dismutase (SOD), and glutathione (GSH) in joint tissue was detected. Hematoxylin-eosin (HE) staining was used to observe the pathological changes of joint tissue. The levels of reactive oxygen species (ROS) and dihydrolipoic acid transacetylase (DLAT) were detected by immunofluorescence (IF). The protein and mRNA expression of SLC31A1, FDX1, lipoic acid synthase (LIAS), heat shock protein 70 (HSP70), pyruvate dehydrogenase E1 subunit β (PDHB), and copper transporting P-type ATPase β (ATP7B) was detected by immunohistochemistry (IHC) and real-time fluorescence quantitative polymerase chain reaction (Real-time PCR). ResultsCompared to the control group, the model group exhibited joint swelling and deformity, significantly increased clinical arthritis scores, obvious bone destruction, synovial hyperplasia, and inflammatory cell infiltration in joint tissue. In addition, the serum levels of RF, MMP-3, TNF-α, IL-1β, and Cp showed significant elevation, while the level of IL-10 was significantly reduced. The levels of Cu, MDA, ROS, and DLAT in joint tissue were markedly increased, whereas SOD and GSH content was significantly decreased. The protein and mRNA expression of SLC31A1 and HSP70 was significantly up-regulated, while the protein and mRNA expression of FDX1, LIAS, PDHB, and ATP7B was significantly down-regulated (P<0.01). Compared to the model group, each treatment group exhibited varying degrees of improvement in joint swelling and deformation as well as clinical arthritis scores in rats. Additionally, there was a reduction in joint bone destruction, inflammatory cell infiltration, and synovial hyperplasia in rats. Furthermore, the serum levels of RF, MMP-3, TNF-α, IL-1β, and Cp significantly decreased, while the level of IL-10 increased significantly. In joint tissue, the levels of Cu, MDA, ROS, and DLAT showed significant decreases, while SOD and GSH content exhibited significant increases. The protein and mRNA expression of SLC31A1 and HSP70 was down-regulated, while the protein and mRNA expression of FDX1, LIAS, PDHB, and ATP7B was up-regulated (P<0.05). ConclusionQuercetin effectively reduces synovial hyperplasia and inflammatory infiltration in rats with rheumatoid arthritis, thereby alleviating pathological damage to joint tissue. This effect may be attributed to the blockade of the SLC31A1/FDX1 signaling pathway activation and inhibition of excessive cuproptosis.


Result Analysis
Print
Save
E-mail