1.Multi-dimensional Holographic Characterization of Zhejiang Characteristic Atractylodis Macrocephalae Rhizoma with Nine-time Repeating Steaming and Processing
Xin WU ; Cuiwei CHEN ; Qiao YU ; Chao FENG ; Hongyan ZHANG ; Yan CHEN ; Caihua SUN ; Gang CAO
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(6):197-205
ObjectiveHistorically documented Zhejiang Atractylodis Macrocephalae Rhizoma(Baizhu) possesses premium characteristics such as phoenix-like head and crane-like neck, pronounced sweetness, and fragrant aroma. However, its current market circulation is low, and the processed products with Zhejiang-style characteristics are at the risk of being lost. This study aims to preserve the ancient Zhejiang-style processing techniques and evaluate them using modern scientific methods. MethodsMultidimensional intelligent sensory evaluation was used to digitally characterize the "quality-structure" of the external appearance of nine-steamed and nine-processed Baizhu medicinal materials(intermediate processed products) and the "odor-taste" of the internal quality of its decoction pieces(slices), and the appearance parameters were digitally characterized by colorimeter, texture analyzer, electronic nose and electronic tongue, the chemical composition was analyzed via ultra-performance liquid chromatography-quadrupole-time-of-flight mass spectrometry(UPLC-Q-TOF-MS/MS). Then, cluster analysis on the differences in odor between the medicinal materials(intermediate processed products) and decoction pieces(slices) of nine-steamed and nine-processed Baizhu was conducted, as well as the differences in taste between water-soluble and alcohol-soluble extracts of the decoction pieces(slices), and the correlation analysis of chroma value-alcohol-soluble extract content-component response value. ResultsThe nine-steamed and nine-processed Baizhu had a dark brown to black epidermis, a brownish-yellow to brownish-gray cross-section, a slightly tough texture, a faint odor, and a slightly sweet, bitter and pungent taste. Texture analyzer measurements revealed minimal adhesion and maximum recovery in the middle section of the characteristic processed Baizhu, consistent with the processing endpoint of thorough steaming and cooking. The head section showed the highest internal hardness, elasticity and chewiness, indicating a denser texture in this area. The electronic nose sensor could clearly distinguish the difference between the medicinal materials and its decoction pieces, with a more significant clustering effect at 60 ℃ for 30 minutes compared to ambient temperature headspace for 2 hours, highlighting the significant impact of the baking degree before slicing on the quality. The electronic tongue taste signal map clearly distinguished the differences between water-soluble and alcohol-soluble extracts of nine-steamed and nine-processed Baizhu decoction pieces, and the addition of auxiliary materials during processing could enhance its alcohol-soluble extract content. A total of 82 chemical components were identified in the characteristic processed Baizhu. After processing, the contents of 58 components increased, while 24 components decreased. Correlation analysis revealed significant negative correlations(P<0.01) between ethanol-soluble extract content and colorimetric values of brightness(L*), yellow-bule value(b*), and total color difference(E*ab). E*ab showed marked negative correlations(P<0.05) with the response values of isochlorogenic acid A and C. ConclusionThis study establishes a modern intelligent sensory evaluation model for multidimensional holographic characterization of nine-steamed and nine-processed Baizhu, clarifying the correlation between increased isochlorogenic acid content and the visual color appearance after different steaming cycles, as well as its intrinsic alcohol-soluble extracts. This provides a reference for quality evaluation and processing standards of the Zhejiang-style characteristic processed products.
2.Research Tackling Paradigm and Technological Layout Strategies Based on Erectile Dysfunction, A Clinical Dominant Disease of Traditional Chinese Medicine
Qi ZHAO ; Yun CHEN ; Baoxing LIU ; Xuejun SHANG ; Fei SUN ; Xiaozhi ZHAO ; Zhigang WU ; Chao SUN ; Peihai ZHANG ; Wanjun CHENG ; Xing ZHOU ; Zhan QIN ; Yufeng PAN ; Weiwei TAO ; Jianhuai CHEN ; Mei MO ; Xiaoxiao ZHANG ; Xing ZHANG
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(7):291-299
To thoroughly implement the strategic deployment outlined in the Opinions of the Central Committee of the Communist Party of China and the State Council on Promoting the Inheritance and Innovative Development of Traditional Chinese Medicine regarding research on dominant diseases of traditional Chinese medicine and to uphold the development philosophy of equal emphasis on traditional Chinese medicine and western medicine,the China Association of Chinese Medicine has fully played a leading academic role by systematically organizing and conducting a series of academic youth salons on clinical dominant diseases of traditional Chinese medicine. On September 13,2024,the 36th Youth Salon on Clinical Dominant Diseases was successfully held in Nanjing,focusing on the advantages of traditional Chinese medicine and the integrative traditional Chinese medicine and western medicine in the diagnosis and treatment of erectile dysfunction (ED). The conference brought together leading experts from traditional Chinese medicine,western medicine,and interdisciplinary fields,facilitating in-depth multidisciplinary discussions that led to key consensus on optimizing traditional Chinese medicine treatment protocols for ED,researching and developing new drugs of traditional Chinese medicine,and advancing interdisciplinary development in traditional Chinese medicine. This salon systematically sorted out the clinical strengths and distinctive features of traditional Chinese medicine in the diagnosis and treatment of ED. Based on current research foundations and clinical needs,it identified key directions for future scientific layout and scientific research tackling: (1) Standardization of syndrome differentiation system of traditional Chinese medicine for ED. (2) Optimization and standardization of intervention methods of integrated traditional Chinese medicine and western medicine. (3) High-quality clinical research guided by evidence-based medicine. (4) In-depth analysis of the pharmacological mechanisms of traditional Chinese medicine in the treatment of ED. (5) Clinical translation and application promotion of new drugs of traditional Chinese medicine. (6) Interdisciplinary integration and innovation in traditional Chinese medicine. For each research direction,key focus areas,expected objectives,and clinical value were further refined,along with the establishment of a scientifically sound priority funding level evaluation system. Therefore,building on the series of salons on the ED-focused dominant diseases of traditional Chinese medicine,this paper provides standardized guidance for clinical practice of traditional Chinese medicine in ED management,effectively contributing to the high-quality development of traditional Chinese medicine. It serves as a valuable reference for national scientific and technological strategic layout, research and development decision-making in new drugs of traditional Chinese medicine,research topic planning,and clinical guideline formulation.
3.Two Cases of Psychiatric Symptoms Associated with Zonisamide Antiepileptic Treatment
Cun-Bo WU ; Pei-Sen YAO ; Li-Chao SU ; Zhang-Ya LIN
Clinical Psychopharmacology and Neuroscience 2026;24(1):202-206
To report two cases of psychiatric symptoms associated with zonisamide, an antiepileptic drug, and raise clinical awareness of this potential adverse effect. Two male patients with epilepsy treated with zonisamide were retrospectively analyzed. Case 1 (25 years old) developed acute emotional and behavioral abnormalities (e.g., insomnia, aggression, incoherent speech) after switching from sodium valproate to zonisamide (200 mg/day). Case 2 (48 years old) had long-term zonisamide use (≥5 years) with persistent treatment-resistant psychotic symptoms (e.g., delusions, command hallucinations). Clinical courses, medication adjustments, and symptom responses were documented. In Case 1, psychiatric symptoms resolved after discontinuing zonisamide and switching to sodium valproate, with improved mood stability and reduced impulsivity. In Case 2, despite escalating antipsychotic medications (risperidone, clozapine), psychotic symptoms persisted, likely due to ongoing zonisamide use. Both cases highlighted zonisamide’s potential to exacerbate or induce psychiatric manifestations, possibly via mechanisms involving sodium/calcium channel inhibition and neurotransmitter dysregulation (e.g., dopamine, serotonin). Zonisamide can cause or worsen psychiatric symptoms, particularly in vulnerable individuals. Clinicians should monitor for mental health changes during zonisamide treatment and consider drug discontinuation or substitution with alternative antiepileptics (e.g., sodium valproate) if psychiatric adverse effects emerge. Awareness of this association is crucial to avoid misdiagnosis and optimize epilepsy management.
4.Differences in deltamethrin resistance and kdr gene mutation in Culex tritaeniorhynchus population in and outside the Yellow Sea wetland
Xiao-er ZHANG ; Zhi-ming WU ; Ye TIAN ; Qian CUI ; Yu-qian JI ; Huan WANG ; Shu-juan YANG ; Yi-chao ZHAO ; Yu WANG ; Hua-yu YIN ; Yu DING ; Guo-jin YAN ; Min-sen ZHAO ; Shou-gang ZHANG ; Bing-dong SONG ; Hong-na CHEN ; Jian GAO ; Wei-fang YANG ; Yu-fu ZHANG ; Hui LIU ; Hong-liang CHU
Acta Parasitologica et Medica Entomologica Sinica 2026;33(2):101-107
Objective To gain insights into the biological characteristics of different populations of Culex tritaeniorhynchus within and around the Yellow Sea wetland from the perspective of the occurrence of resistance, we investigated the levels of resistance to deltamethrin and kdr gene mutation in the wetland and its peripheral areas. Methods Specimens were collected from Cx. tritaeniorhynchus populations at two monitoring sites in the Rare Bird National Nature Reserve and Tiaozi Ni Wetland Scenic Area, and also from two populations in Yancheng City and the Liuhe District of Nanjing, and the resistance of these mosquitoes to deltamethrin was determined using the CDC biotest bottle method. For each concentration of deltamethrin assessed, a random subset of exposed specimens was selected for amplification of the kdr gene fragment, followed by Sanger sequencing to identify and analyze resistance-associated mutations. Results The LC50 levels of deltamethrin among mosquitoes from the four populations in Luhe, Yancheng, the Rare Bird National Nature Reserve and the Tiaozi Ni Wetland Scenic Area were 2.048 5, 7.798 2, 3.473 3, and 17.695 5 mg/mL, respectively, with corresponding concentrations of deltamethrin ranging from 0.005 to 5.000,0.050 to 50.000,0.050 to 25.000 and 0.050 to 50.000 mg/mL, respectively. Furthermore, the ranges of the KT50 values were 11.76-107.43, 67.05-216.30,29.77-107.43 and 28.40-329.51 min; the 1-h knockdown rates were 34.58%-99.15%, 9.52%-43.80%, 55.09%-73.01%, and 10.09%-68.07%; and the 24-h mortality rates were 12.15%-67.52%,9.52%-79.56%,13.17%-82.21%, and 11.01%-78.99%, respectively. With respect to kdr gene mutation, we assayed a total of 63,70,59, and 57 mosquitoes for the four populations, for which we detected L1014F mutation frequencies of 14.29%, 35.00%, 20.34%, and 31.58%, respectively, with a majority of these mutations being heterozygous for resistance. In addition, five adult mosquitoes were identified has having synonymous mutations at site 1011[i. e. , AAT(asparagine)mutation to AAC(asparagine)]. Conclusions Our findings revealed the clear resistance of Cx. tritaeniorhynchus to deltamethrin in the Yancheng region of the Yellow Sea wetland, and the resistance phenotype and kdr frequency of Cx. tritaeniorhynchus in the wetland environment were comparable to those of Cx. tritaeniorhynchus in the wetland environment, thereby indicating that the resistance of different populations of Cx. tritaeniorhynchus was homogeneous under the pressure of different insecticide selection within and around the wetland. However, the underlying mechanisms need to be further studied.
5.Effect of dual task training on mobility and balance in stroke patients: a meta-analysis
Yiyi YUAN ; Wuchao TIAN ; Xianbin ZHANG ; Qiang CHAO ; Yongsheng LI ; Guixin LIU ; Wanqing WU ; Pu WANG
Chinese Journal of Rehabilitation Theory and Practice 2026;32(7):807-816
ObjectiveTo systematically review the effect of dual-task training (DTT) on mobility and balance in stroke patients. MethodsCNKI, Wanfang Data, VIP, PubMed, Web of Science, Embase and Cochrane Library were searched for randomized controlled trials (RCT) on DTT in stroke rehabilitation from inception to June, 2025. The quality of the included studies was assessed using the Cochrane Risk of Bias Tool and the PEDro scale. Meta-analysis was performed using RevMan 5.4. ResultsA total of eleven RCT involving 517 stroke patients were included, and the scores of PEDro scale were four to eight. DTT was more effective on the score of Fugl-Meyer Assessment-Lower Extremity (MD = 3.70, 95%CI 1.88 to 5.53, P < 0.001) and Berg Balance Scale (BBS) (MD = 3.04, 95%CI 1.58 to 4.49, P < 0.001), fall incidence (OR = 0.32, 95%CI 0.11 to 0.87, P = 0.025), gait speed under a single-task condition (MD = 0.08, 95%CI 0.03 to 0.12, P = 0.002), gait speed under a dual-task condition (MD = 0.13, 95%CI 0.10 to 0.16, P < 0.001), Timed Up and Go Test time (MD = -2.78, 95%CI -3.85 to -1.72, P < 0.001), and score of modified Barthel Index (MD = 4.77, 95%CI 1.88 to 7.66, P = 0.001). Subgroup analysis indicated that motor-motor DTT was more effective than cognitive-motor DTT on BBS scores and single-task gait speed. ConclusionsDTT can improve mobility and balance in stroke patients, especially with motor-motor tasks.
6.Study on the Potential Suitable Planting Areas of Scutellariae Radix in Shandong Province Based on MaxEnt Model
Chunxiao WU ; Chao WANG ; Dexin MENG ; Qian LIU ; Yongqing ZHANG ; Hongyan LIU
Chinese Journal of Information on Traditional Chinese Medicine 2025;32(7):7-13
Objective To predict the current and future ecological suitability distribution areas of Scutellariae Radix in Shandong Province at present and in the future;To screen the main environmental factors affecting its suitable distribution;To provide a reference for the protection of wild resources and the site selection artificial planting of Scutellariae Radix.Methods Taking Scutellariae Radix as the research object,based on the MaxEnt model,the potential suitable habitats were predicted using 84 distribution points of and 48 environmental factors of Scutellariae Radix,and the main environmental factors affecting the distribution of Scutellariae Radix were explored.Its potential suitable habitat areas were predicted under four greenhouse gas emission concentration scenarios(SSP126,SSP245,SSP370,and SSP585)for the years 2021-2040,2041-2060,2061-2080 and 2081-2100.Results The MaxEnt model was optimized through feature combination and regularization constant parameters,and its predictive ability was good(AUC value of 0.871).The primary driving environmental factors affecting its distribution were the maximum temperature in the warmest month(bio_05),soil gravel content(cf05)and altitude(elev).Under the current climate conditions,Scutellariae Radix is mainly distributed in the hilly areas of central and southern Shandong and some areas of in the hilly areas of Jiaodong.Under the future climate conditions of SSP126,SSP245,SSP370 and SSP585,the areas of suitable habitat of Scutellariae Radix in Shandong will show a decreasing trend.Except for the SSP126,the medium and high adaptation areas of Scutellariae Radix will disappear in the other three modes.Conclusion The results of this study can provide an important reference for the protection,rational utilization and planting layout of Scutellariae Radix in Shandong Province.
7.Application of virtual case teaching integrating SP and OSCE in experimental exercise therapy courses
Mi CHEN ; Zulipinuer ABUDUSADIKE ; Abudukadier WULAMU ; Huirong YAN ; Lin ZHU ; Zulifeiya ALETENGBIEKE ; Peiling XU ; Hengmin WU ; Tiecheng ZHANG ; Baolan WANG ; Chao LI
Chinese Journal of Medical Education Research 2025;24(5):675-680
Objective:To evaluate the effectiveness of virtual case teaching integrating standardized patients (SP) and objective structured clinical examination (OSCE) in enhancing students' clinical thinking and practical skills in experimental exercise therapy course.Methods:In April 2023, 52 students from the 2021 cohort and 54 students from the 2022 cohort of the Rehabilitation Therapy undergraduate program at Xinjiang Medical University were selected and divided into the experimental group and control group according to their classes. In the shoulder joint mobilization experimental class of the exercise therapy course, virtual SP teaching was performed in the experimental group of both cohorts. For the control group, student-led SP teaching was performed in the 2021 cohort, while the traditional "lecture + demonstration" method was used in the 2022 cohort. Upon completion of teaching, theoretical exams, case analysis, practical exams, and a teaching satisfaction survey were conducted on the students. Data were analyzed using the t-test and chi-square test in SPSS 25.0. Results:In both cohorts, the experimental group had similar theoretical exam scores ( P=0.207 and P=0.097, respectively) to the control group, but had higher practical exam scores ( P=0.013 and P=0.002, respectively) than the control group. In the case analysis exam, the experimental group scored higher than the control group in the 2022 cohort ( t=2.84, P=0.006) but similarly to the control group in the 2021 cohort ( t=1.53, P=0.132). All students believed that virtual SP teaching was most engaging. In terms of understanding complex concepts, increasing active participation, and fostering clinical thinking, the 2022 cohort was more satisfied with virtual SP teaching, whereas the 2021 cohort experienced no significant difference between virtual SP teaching and student-led SP teaching. In addition, the 2021 cohort found that student-led SP teaching was more helpful for improving doctor-patient communication skills. Conclusions:The application of virtual SP teaching in the experimental exercise therapy course effectively enhances students' practical skills and case analysis capabilities, contributing greatly to their overall clinical management thinking.
8.Dynamic changes and related factors in iodine intake and iodine nutritional status of pregnant women in a district of Beijing from 2021 to 2024
Zhilin WU ; Yubin ZHANG ; Chao HE ; Wenzeng ZHANG
Chinese Journal of Endemiology 2025;44(7):554-557
Objective:To investigate the changes in iodine intake and iodine nutrition trends of pregnant women in a certain district of Beijing, as well as their related influencing factors, to provide a basis for formulating iodine supplementation strategies for pregnant women.Methods:According to the National Monitoring Program for Iodine Deficiency Disorders, a stratified random sampling method was used to select 100 pregnant women (balanced in early, middle, and late pregnancy) for monitoring each year from 2021 to 2024. Based on the salt iodine and urinary iodine levels of pregnant women, combined with their intake of iodine supplements and other medications, a generalized linear model (GLM) was used to analyze the annual trends in salt iodine and urinary iodine levels. Generalized linear mixed-effects models (GLMMs) were employed to evaluate the variations in salt iodine and urinary iodine levels of pregnant women during different pregnancy periods.Results:From 2021 to 2024, a total of 400 pregnant women were enrolled, with salt iodine levels of (19.23 ± 6.18), (21.31 ± 6.41), (22.38 ± 6.86), and (15.87 ± 9.43) mg/kg, respectively. There was a statistically significant differences between different years ( F = 15.21, P < 0.001). By 2024, the proportion of non-iodized salt consumed reached 25.0% (25/100). The median urinary iodine levels in each year were 136.02, 151.27, 117.83, and 122.94 μg/L, respectively, and the differences between different years were statistically significant ( H = 31.89, P < 0.001). The GLM results showed that compared with 2021, the salt iodine level increased by 2.21 mg/kg (β = 2.21, P = 0.038) in 2022, increased by 3.24 mg/kg (β = 3.24, P = 0.002) in 2023, and decreased by 3.28 mg/kg (β = - 3.28, P = 0.002) in 2024. The urinary iodine level decreased by 24.53 μg/L (β = - 24.53, P = 0.030) in 2024. The GLMMs results showed that compared with early pregnancy, urinary iodine levels increased by 33.68 μg/L (β = 33.68, P = 0.008) in middle pregnancy and 43.17 μg/L (β = 43.17, P = 0.001) in late pregnancy. Conclusions:From 2021 to 2024, the iodine intake of pregnant women in a certain district of Beijing shows an overall trend of first increasing and then decreasing, especially with an increase in the proportion of non iodized salt consumption in 2024. And the iodine nutrition status varies during different pregnancy periods. It is necessary to strengthen the promotion of iodized salt and the publicity of iodine deficiency disorders prevention and control, to ensure that pregnant women can obtain sufficient iodine nutrition through other means when their intake of iodized salt is reduced.
9.The diagnostic value of high-resolution magnetic resonance black blood technology imaging and CT angiography in detecting carotid plaque in predicting stroke
Xiaofei ZHANG ; Guohua WU ; Qi WANG ; Chao LI
Chinese Journal of Postgraduates of Medicine 2025;48(11):969-975
Objective:To investigate the diagnostic value of high-resolution magnetic resonance black blood technology imaging (MRBTI) and CT angiography (CTA) in detecting carotid plaque in predicting stroke.Methods:A prospective study was conducted on 135 patients with carotid artery disease diagnosed and treated in Handan Central Hospital from January 2020 to June 2022, all patients underwent cervical MRBTI and CTA examinations. Digital subtraction angiography (DSA) was used as the gold standard to compare the diagnostic value of the two detection methods for carotid plaque properties. Patients were followed up for 2 years and divided into stroke and non-stroke according to the result of follower-up. Imaging indexes of the two groups were compared, and the predictive value of MRBTI combined with CTA for stroke was evaluated by receiver operation characteristic (ROC) curve.Results:The relevant data of 134 patients were included in statistical analysis. For severe carotid stenosis and ulcerative plaques, the accuracy of CTA examination was 85.11% and 84.91% separately, that of MRBTI examination was 91.49% and 92.45%, the combined examination was 95.74% and 96.23%, and the above three examination methods was not statistically significant ( P>0.05). The detection accuracy rates of CTA for mild, moderate carotid artery stenosis and smooth, irregular plaque, were 73.08%, 86.89%, 73.91% and 86.21%, those of MRBTI detection were 92.31%, 91.80%, 86.96% and 93.10%, and those of combined detection were 100.00%, 98.36%, 100.00% and 98.28%, the combined detection was higher than those of CTA and MRBTI alone ( P<0.05); there was no statistically significant difference in the level of tube wall area between the stroke patients and the non-stroke patients ( P>0.05), but the total vascular area and lumen area in stroke patients were significantly higher than those in non-stroke patients: (103.48 ± 22.48) mm 2 vs. (92.51 ± 16.26) mm 2, (46.18 ± 11.03) mm 2 vs. (41.32 ± 10.52) mm 2, and normal wall index was significantly lower: (0.54 ± 0.12) mm 2 vs. (0.61 ± 0.09) mm 2 ( P<0.05); ROC curve analysis showed that MRBTI combined with CTA had the best predictive efficacy for stroke, with area under the curve (AUC) value as high as 0.82, and its sensitivity (79.00%) was significantly higher than that predicted by MRBTI indexes (total vascular area, lumen area and normal wall index) (51.90%, 39.50%, 56.80%) or CTA (30.90%) alone, with statistically significant difference ( P<0.05). Conclusions:The combination of MRBTI and CTA can improve the diagnostic efficiency of carotid artery disease and the prediction efficiency of stroke, and can be used as an auxiliary examination means of DSA to provide a more reliable clinical basis for the assessment of plaque characteristics in patients with carotid artery disease and the prediction of stroke.
10.Single-cell sequencing reveals functional changes of dendritic cells in hepatitis B patients
Shixing CHEN ; Shengxia YIN ; Wanying ZHANG ; Juntao MA ; Hui CHEN ; Yijia ZHU ; Jinqiu RAN ; Yuxin CHEN ; Chao WU
Chinese Journal of Clinical Laboratory Science 2025;43(9):680-688
Objective To investigate the functional changes of dendritic cells(DCs)in patients at different stages of hepatitis B virus(HBV)infection and analyze the mechanisms underlying DC dysfunction.Methods Single-cell RNA sequencing dataset GSE182159 was downloaded from the GEO database and classified into healthy control(HC),immune active(IA),and immune tolerant(IT)groups based on infection stage.Peripheral blood samples were collected from 7 IA patients,7 IT patients,and 12 healthy controls.Flow cytometry was used to isolate classical dendritic cells(cDC)and plasmacytoid dendritic cells(pDC).The expression levels of transcription factors in cDC and pDC were measured by quantitative real-time PCR(qRT-PCR).Bioinformatics analyses were per-formed using R and Python package.Results The proportions of DCs in IA and IT groups were higher than that in HC group.Func-tional enrichment analysis revealed that the differentially expressed genes(DEGs)of cDCs in the IA group were primarily enriched for the processes,such as inflammatory response,MHC classⅡantigen processing and presentation,cell migration,signal transduction,metabolism,and immune response.In contrast the IT group exhibited lower enrichment intensity and a significant reduction in interfer-on responses.The DEGs of pDC in the IA group were enriched in the processes of MHC-Ⅱantigen presentation,Fc receptor signal transduction,and metabolism,whereas those in the IT group were showed enrichment only in Fc receptor signal transduction and me-tabolism with a lower intensity.Both groups exhibited reduced synthesis of typesⅠandⅡinterferons in pDC,with the IT group showing a more pronounced downregulation.Cell-cell communication analysis demonstrated enhanced interactions between myeloid cells(except pDC)and T cells in the IA group,whereas the interactions between cDC/pDC and T cells in the IT group were reduced.Transcription factor analysis revealed that STAT2,STAT3,IRF1,and IRF5 were highly expressed in the IA group but their expression exhibited low-er expression levels in the IT group.In contrast,BHLHE40 was broadly upregulated in both cDC and pDC subsets within the IT group.The qRT-PCR results were consistent with the findings from the single-cell transcription factor analysis.Conclusion The IT phase of hepatitis B infection represents a critical period for cDC dysfunction,characterized by significant suppression of MHCⅡantigen presen-tation,metabolism,and interferon responsiveness.The functional impairment of pDC precedes that of cDC,as evidenced by a marked downregulation of interferon synthesis capacity observed during the IA phase.


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