1.Exploring on Quality Evaluation Methods of Clinical Case Reports in Traditional Chinese Medicine Based on China Clinical Cases Library of Traditional Chinese Medicine
Kaige ZHANG ; Feng ZHANG ; Bo ZHOU ; Haimin CHEN ; Yong ZHU ; Changcheng HOU ; Liangzhen YOU ; Weijun HUANG ; Jie YANG ; Guoshuang ZHU ; Shukun GONG ; Jianwen HE ; Yang YE ; Yuqiu AN ; Chunquan SUN ; Qingjie YUAN ; Buman LI ; Xingzhong FENG ; Kegang CAO ; Hongcai SHANG ; Jihua GUO ; Xiaoxiao ZHANG ; Zhining TIAN
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(1):271-276
As the core vehicle for preserving and transmitting traditional Chinese medicine(TCM) academic thought and clinical experience, the establishment of a robust quality evaluation system for TCM clinical case reports is a crucial component in the current standardization and modernization of TCM. Based on the practical experience of constructing the China Clinical Cases Library of Traditional Chinese Medicine by the China Association of Chinese Medicine, this study conducted a comprehensive analysis of critical challenges, including insufficient authenticity and unfocused evaluation criteria. It proposed a three-dimensional evaluation framework grounded in the structure-process-outcome logic, encompassing three dimensions of authenticity and standardization, characteristics and advantages, application and translational impact. This framework integrated 12 key evaluation indicators in a systematic manner. The model preserved the academic characteristics of TCM syndrome differentiation and treatment, while aligning with modern scientific research standards, achieving a balance between individualized TCM experience and standardized evaluation. Concurrently, this study provided theoretical foundations and methodological guidance for evaluating the quality of TCM clinical cases, contributing significantly to the inheritance of TCM knowledge, evidence-based practice, and the reform of talent evaluation mechanisms.
2.Staged Efficacy of Qijia Rougan Prescription Combined with Entecavir for Chronic Hepatitis B-related Hepatic Fibrosis with Qi Deficiency and Collateral Stasis Syndrome Based on "Zhu Ke Jiao" Theory
Baixue LI ; Xin WANG ; Jibin LIU ; Li WEN ; Cen JIANG ; Wenjun WU ; Dong WANG ; Shuwan LIU ; Huabao LIU ; Yongli ZHENG ; Liang HUANG ; Yue SU ; Song ZHANG ; Yanan SHANG ; Hang ZHOU ; Quansheng FENG
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(9):180-188
ObjectiveThis paper aims to investigate and evaluate the staged efficacy and safety of the representative empirical prescription of the “Zhu Ke Jiao” theory, Qijia Rougan prescription, combined with entecavir in the treatment of hepatic fibrosis in chronic hepatitis B. MethodsA multicenter randomized controlled clinical study was conducted, and 101 patients diagnosed with chronic hepatitis B-related hepatic fibrosis (CHB-HF) who met the diagnosis and inclusion criteria were randomly assigned to an observation group (Qijia Rougan prescription + entecavir) and a control group (entecavir). The treatment duration was 24 weeks. Liver stiffness measurement (LSM), fibrosis-4 index (FIB-4), portal vein diameter, hepatitis B serology, biochemical indicators, hepatic fibrosis markers in serum [hyaluronic acid (HA), laminin (LN), procollagen Ⅲ peptide (PⅢP), and type Ⅳ collagen (Ⅳ-C)], and traditional Chinese medicine syndrome scores were used as efficacy evaluation indicators. Efficacy assessments and explorations of different staged subgroups of Qijia Rougan prescription were conducted according to LSM values based on the Metavir pathological staging standard. ResultsA total of 98 cases were included for statistical analysis, with 49 cases in the observation group and 49 in the control group. The general data of the patients in both groups were comparable. Compared with the same group before treatment, the observation group showed a significant reduction in LSM and FIB-4 (P<0.01), as well as notable improvements in LN, Ⅳ-C, and various TCM syndrome scores (P<0.05, P<0.01). When compared to the control group after treatment, the observation group demonstrated significant improvements in LSM, FIB-4, and various TCM syndrome score indicators (P<0.05, P<0.01), indicating that the observation group performed better than the control group. Subgroup analysis of the regression of hepatic fibrosis stages showed that compared to the same group before treatment, the observation group had better improvement in regression of stages F2 and F3 (P<0.05). When compared to the control group after treatment, the observation group exhibited superior improvement in regression of stage F3 (P<0.05). No adverse events occurred in either group during the treatment period. ConclusionCompared with entecavir alone, the combination of Qijia Rougan prescription and entecavir significantly improves the degree of hepatic fibrosis and clinical TCM symptoms in patients. The optimal intervention period is primarily during stage F3, which is a potential “interception” point of the “Zhu Ke Jiao” theory.
3.PRMT1-mediated asymmetric dimethylation of arginine residue 602 in DDX1 promotes cholangiocarcinoma progression
Wenzheng LIU ; Yangwei LIAO ; Yiyang KUAI ; Xin GAO ; Xingmin YAN ; Jingjing LI ; Junsheng CHEN ; Jukun SU ; Jingcong ZHOU ; Yizhu KONG ; Siqin HUANG ; Zhiwei ZHANG ; Feng PENG ; Bing WANG ; Yongjun CHEN
Clinical and Molecular Hepatology 2026;32(2):843-865
Background/Aims:
Cholangiocarcinoma (CCA) is a primary malignant neoplasm with an extremely poor prognosis. While combined chemoradiotherapy has been demonstrated to delay CCA progression to a certain extent, the absence of specific molecular biomarkers or targets significantly hinders the diagnosis and treatment of CCA.
Methods:
Through cross-analysis of proteomics and ADMA modificationomics, we identified DDX1 overexpressed in CCA with elevated R602-ADMA modifications. HPLC-MS/MS identified PRMT1 as the methyltransferase and USP10 as the deubiquitinating enzyme for DDX1. Immunofluorescence and nuclear-cytoplasmic partitioning experiments confirmed DDX1’s nuclear localization. GO and KEGG analyses clarify the biological functions of DDX1 in response to hypoxia. RNA-seq transcriptomics analyzed key pathways influenced by DDX1. A hydrodynamic in situ CCA mouse model was established to validate the chemopreventive effects of the PRMT1-specific inhibitor GSK715 on CCA development.
Results:
DDX1 promotes CCA progression both in vivo and in vitro and can be inhibited by GSK715. Mechanistically, PRMT1 mediates ADMA modification at position R602 of DDX1. This modification promotes DDX1 nuclear localization by recruiting USP10 to deubiquitinate DDX1, while simultaneously inhibiting PRMT1 degradation. DDX1 promotes the transcription of PRMT1 and USP10 by binding to the mRNA 3’UTR region, establishing a positive feedback regulatory pathway. This mechanism promotes the occurrence and development of CCA and can serve as a target for the inhibitor GSK715 to suppress CCA progression.
Conclusions
Our study identified DDX1-R602-ADMA modification as a novel ADMA modification in CCA. It further confirmed its pivotal role in CCA progression. Targeting the USP10-PRMT1-DDX1 axis may represent a significant therapeutic approach for CCA.
4.Development and feasibility study of a self-stabilizing home-based functional interactive training device
Xiaojuan FENG ; Fubiao HUANG ; Dongyue LI ; Mingyi ZHOU ; Yuxuan NIU ; Ismaili McGee PIRETI ; Xixian WANG ; Zile WANG
Chinese Journal of Rehabilitation Theory and Practice 2026;32(9):1068-1077
ObjectiveTo design a "roly-poly" style interactive home-based hand function training device based on the principle of self-stabilization and recovery in light of the characteristics of post-stroke hand dysfunction and the current scarcity of home-based hand function training devices; and explore the feasibility and clinical value of this device in hand function rehabilitation training for stroke patients. MethodsThis study adopted a phased research design consisting of two stages: device development and clinical validation. At the first stage, focusing on the principle of the tumbler's automatic return to center, combined with the clinical needs of hand function rehabilitation training for stroke patients, the development of a home-based interactive hand function training device was completed, and the application and authorization of a utility model patent were obtained. At the second stage, 30 stroke patients with post-stroke hand dysfunction hospitalized at Beijing Bo'ai Hospital from May to October, 2025 were randomly divided into control group (n = 15) and experimental group (n = 15). Both groups received conventional rehabilitation therapy, the control group added routine hand function training every evening, and the experimental group added hand function training using the device developed in this study every evening, for four weeks. The grip strength, lateral pinch strength, finger pad pinch strength, three-finger pinch strength and wrist joint range of motion (dorsal-flexion, palm-flexion, radial deviation and ulnar deviation) were measured before and after intervention. The upper limb and hand motor function was assessed with Fugl-Meyer Assessment (FMA), and the modified Barthel Index (MBI) was used to evaluate activities of daily living (ADL). ResultsA self-stabilizing hemispherical hand functional rehabilitation device was developed and granted a utility model patent. After intervention, the grip strength, lateral pinch strength, finger pad pinch strength, three-finger pinch strength, wrist joint range of motion, and FMA and MBI scores significantly improved in both groups (|t| > 5.683, P < 0.05); except for the score of MBI (P > 0.05), all the other indicators were better in the experimental group than in the control group (t > 2.633, P < 0.05). ConclusionThe self-stabilizing, closed-loop home-based functional hand interaction training device designed in this study effectively improves hand grip, pinching function and wrist joint range of motion of stroke patients, significantly enhancing upper limb and hand motor function, and demonstrates feasibility for home-based hand rehabilitation training. However, the device does not provide notable additional improvements in patients' ADL, necessitating further optimization to enhance its clinical application value.
5.Progress in the application of lung transplantation in pulmonary lymphangioleiomyomatosis
Hanzhou HUANG ; Yongqi CHENG ; Jiaji ZHOU ; Rongguo LU ; Feng LIU ; Mingfeng ZHENG
Organ Transplantation 2025;16(2):309-314
Pulmonary lymphangioleiomyomatosis is a rare disease characterized by the abnormal proliferation of pulmonary lymphatic smooth muscle cells. It is common in women and often accompanied by recurrent pneumothorax, chylothorax and progressive dyspnea, imaging characterized by diffuse cystic lesions in both lungs. Pulmonary lymphangioleiomyomatosis progresses aggressively and has a very poor prognosis, with a lack of effective medical treatment options in the advanced stages. Lung transplantation is a safe and effective method for the treatment of advanced pulmonary lymphangioleiomyomatosis, which may significantly improve the survival rate and quality of life of patients. The median survival period after surgery can reach 12 years. This article reviews the pathogenesis, diagnosis, treatment of pulmonary lymphangioleiomyomatosis, and the current status and existing problems of lung transplantation in pulmonary lymphangioleiomyomatosis, aiming to provide a reference for the clinical treatment and subsequent research of pulmonary lymphangioleiomyomatosis.
6.Protective Effect of Tongluo Baoshen Prescription-containing Serum on Lipopolysaccharide-induced Podocyte Injury of Rats
Yongfang LIU ; Tiantian YIN ; Huiyang LIU ; Rui HUANG ; Zhiying FENG ; Li ZHOU
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(10):139-148
ObjectiveTo observe the effects of Tongluo Baoshen prescription (TLBS)-containing serum on the rat podocyte injury induced by lipopolysaccharide (LPS) and explore the potential mechanisms. MethodsSD rats were used to prepare the blank serum, losartan potassium-containing serum, and low-, medium-, and high-dose TLBS-containing sera. Rat podocytes were cultured in vitro, and the effects of drug-containing sera on podocyte viability were detected by the cell counting kit-8 (CKK-8) method. The optimal intervention volume fraction of drug-containing sera and the optimal concentration of LPS for inducing the podocyte injury were determined. Rat podocytes were grouped as follows: normal control (NC, 10% blank serum), model control (MC, 20.00 mg·L-1 LPS+10% black serum), losartan potassium (LP, 20.00 mg·L-1 LPS+10% losartan potassium-containing serum), low-dose TLBS (TLBS-L, 20.00 mg·L-1 LPS+10% low-dose TLBS-containing serum), medium-dose TLBS (TLBS-M, 20.00 mg·L-1 LPS+10% medium-dose TLBS-containing serum), and high-dose TLBS (TLBS-H, 20.00 mg·L-1 LPS+10% high-dose TLBS-containing serum), and the interventions lasted for 48 h. The ultrastructure of podocytes was observed under a transmission electron microscope. The podocyte apoptosis was detected by the terminal deoxynucleoitidyl transferase mediated nick-end labeling (TUNEL) kit. Immunofluorescence was used to detect the expression of gasdermin D N-terminal fragment (GSDMD-NT) in podocytes. The mRNA and protein levels of G protein-coupled receptor family C group 5 member B (GPRC5B), nuclear factor-κB (NF-κB) p50, NF-κB p52, NF-κB p65, Rel B, c-Rel, NOD-like receptor protein 3 (NLRP3), cysteinyl aspartate-specific protease-1 (Caspase-1), GSDMD-NT, interleukin (IL)-1β, IL-18, nephrin, integrin α3, and integrin β1 in podocytes were determined by real-time quaritiative polymerase chain reaction (Real-time PCR) and Western blot, respectively. ResultsCompared with the NC group, the MC group showed reduced podocyte protrusions and organelles, segmental missing of cell membranes, increased and swollen mitochondria, irregular nuclear membranes, light chromatin, increased TUNEL fluorescence-positive nuclei (P<0.01), obviously enhanced fluorescence intensity of GSDMD-NT, up-regulated mRNA and protein levels of GPRC5B, NF-κB p50, NF-κB p52, NF-κB p65, Rel B, c-Rel, NLRP3, caspase-1, GSDMD-NT, IL-1β, and IL-18 (P<0.01), and down-regulated mRNA and protein levels of nephrin, integrin α3, and integrin β1 (P<0.01) in podocytes. Compared with the MC group, the LP, TLBS-M, and TLBS-H groups showed improved ultrastructure of podocytes with increased protrusions, intact cell membranes, reduced organelles, and alleviated mitochondrial swelling, decreased TUNEL fluorescence-positive nuclei (P<0.01), weakened fluorescence intensity of GSDMD-NT, down-regulated mRNA and protein levels of GPRC5B, NF-κB p50, NF-κB p52, NF-κB p65, Rel B, c-Rel, NLRP3, caspase-1, GSDMD-NT, IL-1β, and IL-18 (P<0.01), and up-regulated mRNA and protein levels of nephrin, integrin α3, and integrin β1 (P<0.05, P<0.01). Moreover, the changes above were the most obvious in the TLBS-H group. ConclusionThe TLBS-containing serum can regulate the GPRC5B/NF-κB/NLRP3 pathway to inhibit pyroptosis, thereby ameliorating the podocyte injury induced by LPS.
7.Analysis of the safety, economic benefit and social psychological satisfaction of day breast conserving surgery for breast cancer
Jiao ZHOU ; Xiaoxiao XIAO ; Jiabin YANG ; Yu FENG ; Huanzuo YANG ; Mengxue QIU ; Qing ZHANG ; Yang LIU ; Mingjun HUANG ; Peng LIANG ; Zhenggui DU
Chinese Journal of Clinical Thoracic and Cardiovascular Surgery 2025;32(02):160-166
Objective To investigate the safety, economic benefits and psychological effects of day breast conserving surgery for breast cancer. Methods The demographic data and clinical data of breast cancer patients undergoing day (day surgery group) and ward (ward surgery group) breast conserving surgeries in West China Hospital of Sichuan University from March 2020 to June 2021 were retrospectively collected; the demographic data, clinical data, medical and related transportation costs, and preoperative and postoperative BREAST-Q scores of breast cancer patients undergoing day (day surgery group) and ward (ward surgery group) breast conserving surgery in West China Hospital of Sichuan University from June 2021 to June 2022 were prospectively collected. The safety, economic benefit, and psychological satisfaction of day surgery was analyzed. Results A total of 42 women with breast cancer were included in the retrospective study and 39 women with breast cancer were included in the prospective study. In both prospective and retrospective studies, the mean age of patients in both groups were <50 years. There were only statistical differences between the two groups in the aspects of hypertension (P=0.022), neoadjuvant chemotherapy (P=0.037) and postoperative pathological estrogen receptor (P=0.033) in the prospective study. In postoperative complications, there were no statistical differences in the surgical-related complications or anesthesia-related complications between the two groups in either the prospective study or the retrospective study (P>0.05). In terms of the overall cost, we found that the day surgery group was more economical than the ward surgery group in the prospective study (P=0.002). There were no statistical differences in postoperative psychosocical well-being, sexual well-being, satisfaction with breasts or chest condition between the two groups (P>0.05). Conclusion It is safe and reliable to carry out breast conserving surgery in day surgery center under strict management standards, which can save medical costs and will not cause great psychological burden to patients.
8.Effect of Wenyang Shengji Ointment (温阳生肌膏) on MGO Content and HIF-1a/VEGF Pathway in Wound Tissue of Diabetic Wound Model Rats with Yin Syndrome
Xinyu HUANG ; Li CHEN ; Yarong DING ; Jun WANG ; Shuihua FENG ; Zhongzhi ZHOU
Journal of Traditional Chinese Medicine 2025;66(4):382-389
ObjectiveTo investigate the possible mechanism of Wenyang Shengji Ointment (温阳生肌膏, WSO) in the treatment of diabetic wounds with yin syndrome. MethodsA total of 24 SD rats were randomly divided into a group (n=6) and modeling group (n=18). The modeling group rats were fed with high-fat diet for 14 days and then were injected intraperitoneally with streptozotocin to induce diabetic model. After steroid injection, full-thickness skin defects were created on the back of the rats to establish a diabetic wound with yin syndrome model. The normal group was fed with regular diet, and full-thickness skin defects were created surgically on the back of the rats. The 18 successfully modeled rats were further divided into three groups, the model group, the WSO group, and the Beifuxin (Recombinant Bovine Basic Fibroblast Growth Factor Gel, BX) group, 6 rats in each group. The WSO group was given the ointment to the wound, the Beifuxin group was givne BX gel, and the normal group and model group was disinfected and treated with saline. All groups had their dressings changed once daily for 14 days. Wound healing was recorded on days 0, 3, 7, and 14, and the wound healing rate was calculated on day 3, 7, and 14. On day 14 after treatment, HE staining was performed to observe the pathological morphology of the wound tissue. Western Blot was used to detect the relative protein levels of hypoxia-inducible factor 1 alpha (HIF-1α) and vascular endothelial growth factor (VEGF). Immunofluorescence was used to measure the fluorescence intensity of HIF-1α in the wound tissue, and ELISA was used to detect the methylglyoxal (MGO) content in the wound tissue. ResultsCompared with the normal group, the model group showed poor wound healing on day 3, 7, and 14, with a low wound healing rate (P<0.01). HE staining showed scab coverage on the wound, with inflammatory cell infiltration and disorganized collagen arrangement. The relative protein levels of VEGF were significantly reduced, while the relative protein levels of HIF-1α and the MGO content significantly increased (P<0.01), and the fluorescence intensity of HIF-1α was enhanced. Compared to the model group, the WSO group and Beifuxin group showed better wound healing on day 3, 7, and 14, with an increased wound healing rate (P<0.01). The wound tissue showed clear and complete epithelial structure, reduced inflammatory cells, mature granulation tissue, and organized collagen arrangement. MGO content was significantly reduced (P<0.01). The relative protein levels of HIF-1α and VEGF both significantly increased in the WSO group, while only VEGF increased in the Beifuxin group (P<0.05 or P<0.01). Compared with the Beifuxin group, the WSO group had a thicker epidermal layer, prominent collagen formation, significantly increased HIF-1α fluorescence expression, reduced MGO content in the wound tissue, and higher relative protein levels of HIF-1α (P<0.05). ConclusionWSO can reduce the accumulation of MGO in diabetic wound tissue with yin syndrome and activate the HIF-1α/VEGF pathway, which could be one of the mechanisms for promoting wound healing.
9.Analysis on Formation Mechanism of Self-precipitation in Process of Compound Decoction of Famous Classical Formula Sinitang
Meihui LI ; Xi FENG ; Xinyu LUO ; Juehan ZHOU ; Yunya HUANG ; Shuhan LI ; Yanfen CHENG ; Shu FU
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(22):145-152
ObjectiveTo explore the main mechanism of self-precipitation formed during the decoction of Sinitang(SNT), and to provide a research basis for exploring the differences in the toxic and effective components of this compound. MethodsThe average precipitation yields of SNT, Glycyrrhizae Radix et Rhizoma(GRR)-Aconiti Lateralis Radix Praeparata(ALRP) decoction(GF), ALRP-Zingiberis Rhizoma(ZR) decoction(FJ), GRR-ZR decoction(GJD), ALRP decoction(FZ), ZR decoction(GJ) and GRR decoction(GC) were determined. The four main self-precipitation samples of SNT, GF, FZ and GC were physically characterized by particle size, scanning electron microscopy(SEM), pH, total dissolved solids(TDS), conductivity, and Fourier transform infrared spectroscopy(FT-IR) analysis. The chemical compositions of SNT decoction and its different phases was identified by ultra-performance liquid chromatography-quadrupole-electrostatic field orbitrap high-resolution mass spectrometry(UPLC-Q-Exactive Orbitrap-MS) for SNT, SNT self-precipitation and SNT supernatant, and the contents of its main toxic and effective components were determined by high performance liquid chromatography(HPLC). ResultsPrecipitation yield results of the 7 samples of SNT decoction and single decoction showed that SNT had the highest self-precipitation yield. The formation of SNT self-precipitation was mainly related to the reaction between ALRP and GRR components to form complexes, and FT-IR showed that GRR had the greatest influence on the formation of self-precipitation. A total of 110 components were identified in the SNT decoction, including 100 components in the SNT self-precipitation and 106 components in the SNT supernatant. And quantitative results of the main toxic and effective components revealed that the reaction between ALRP and GRR components formed complexes, resulting in the following content hierarchy for free components:SNT decoctionsupernatantself-precipitation, these components included free liquiritin, benzoylmesaconine, benzoylaconitine, benzoylhypacoitine, liquiritigenin, aconitine, hypoaconitine, isoliquiritigenin and ammonium glycyrrhizinate. ConclusionSNT exhibits spontaneous precipitation during compound decoction, with GRR exerting the greatest influence on its formation. This suggests GRR plays a significant role in the detoxification of SNT. The differences in the self-precipitated toxic-effective components of SNT compound decoction primarily manifest as changes in component content, reflecting the characteristics of SNT "deposition in vitro and sustained release in vivo" and the importance of "administered at draught" in the clinical application of SNT.
10.Dynamic Effects of High-Altitude Exposure on Sleep and Mood States and the Underlying Neural Mechanisms
Wanlin HE ; Hailong LI ; Jinli MENG ; Li FENG ; Zan ZHOU ; Yonghong HUANG ; Kejin XIANG ; Hengyan LI ; Xiaomei LI ; Yuanyuan HE ; Xiaoyan LUO ; Lu CHE ; Xiaoqi HUANG
Journal of Sichuan University (Medical Sciences) 2025;56(5):1313-1319
Objective To analyze changes in sleep,mood state,and brain function in healthy populations living in near-sea-level environments before and after exposure to high-altitude environment,and to explore the correlations between regional brain functional changes and variations in sleep and mood states.Methods A total of 45 healthy volunteers were enrolled.The participants came from regions of near-sea-level altitudes and were exposed to the high-altitude environment for a short period of time.The Pittsburgh Sleep Quality Index(PSQI),Zung Self-Rating Depression Scale(SDS),Patient Health Questionnaire-9(PHQ-9),Zung Self-Rating Anxiety Scale(SAS),and Generalized Anxiety Disorder-7(GAD-7)were administered to assess sleep quality as well as depressive and anxiety symptoms at 4 time points—prior to high-altitude exposure,immediately after exposure,one month after returning to low-altitude regions,and three months after returning to low-altitude regions.Resting-state functional magnetic resonance imaging(rs-fMRI)data were collected before and after high-altitude exposure,and regional brain functional parameters,including the amplitude of low-frequency fluctuations(ALFF)and functional connectivity strength,were analyzed.Statistical analyses were performed,including a linear mixed-effects model to evaluate longitudinal changes in scale scores,paired-sample t-tests to compare brain function differences before and after exposure,and Pearson correlation analyses to examine the relationship between brain functional changes and alterations in sleep and mood states.Results Compared with the pre-exposure findings,the participants exhibited significantly increased PSQI scores(8.89±4.41 vs.5.08±2.69,P<0.05)and PHQ-9 scores(3.60±4.19 vs.1.54±2.30,P<0.05)immediately after high-altitude exposure.One month after returning to the low-altitude environment,both sleep and depression scores decreased relative to the findings immediately after exposure(PSQI:3.88±2.13 vs.8.89±4.41,P<0.05;PHQ-9:1.50±2.25 vs.3.60±4.19,P<0.05)and showed no statistically significant difference compared with the pre-exposure findings(P>0.05).Three months after returning to near-sea-level environment,sleep,depression,and anxiety scores were all reduced compared with the findings immediately after exposure(PSQI:3.76±2.31 vs.8.89±4.41,P<0.05;PHQ-9:1.24±2.13 vs.3.60±4.19,P<0.05;SAS:23.84±5.93 vs.27.93±7.05,P<0.05),also showing no significant difference compared with the pre-exposure levels(P>0.05).Brain function analysis revealed that,relative to the pre-exposure levels,ALFF in the bilateral superior temporal gyrus,insula,and dorsolateral prefrontal cortex(DLPFC)increased after high-altitude exposure(P<0.05),and that functional connectivity strength in the DLPFC was also elevated(P<0.05).Furthermore,changes in DLPFC functional connectivity strength were positively correlated with changes in sleep and mood scores(P<0.05).Conclusion High-altitude exposure has a significant impact on the sleep,mood states,and brain function of populations from near-sea-level regions,and DLPFC,in particular,is closely associated with changes in sleep and mood states.The findings of this study provide a theoretical basis for health management and intervention strategies in high-altitude environments.

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