Objective To screen for potential targets of the anti-tuberculosis lead compound M6 using antibody microarray,express Mycobacterium smegmatis(Ms) target protein 2-C-methy1-D-erythriol 4-phosphate cytidylyl-transferase(IspD) in E.coli, and prepare its polyclonal antibodies, in order to provide experimental basis for in-depth study of the protein function and the development of new anti-tuberculosis drugs.Methods The minimum inhibitory concentration(MIC) of M6 against Ms and Corynebacterium glutamicum(Cg) was determined. The protein samples of Cg treated with M6 were captured and analyzed by antibody microarray, and the differential targets were identified and screened by mass spectrometry. The ispD gene of Ms was amplified by PCR and cloned into vector pET28a(+) to construct recombinant plasmid pET28a-ispD. The recombinant plasmid was transformed into E.coli BL21(DE3), and the optimal conditions for protein expression were determined by optimizing the induction temperature(16, 25, 33, 37 ℃) and IPTG concentration(0-1. 5 mmol/L). The recombinant IspD protein was purified by nickel column affinity chromatography. The purified recombinant IspD protein was used as immunogen combined with Freund's incomplete adjuvant to immunize 11 female BALB/c mice to prepare polyclonal antibodies. The titer of antiserum was determined by indirect ELISA, and the antibody specificity was detected by Western blot.Using the prepared polyclonal antibodies, the effect of M6 treatment on the expression level of Ms IspD protein was analyzed by Western blot.Results The MIC of M6 against Cg and Ms was 0. 5 and 32 μg/mL, respectively. IspD protein was one of the primary target proteins of M6. The recombinant expression plasmid pET28a-ispD was constructed correctly as identified by double enzyme digestion, and the IspD protein was expressed in E.coli. The optimal induction conditions were determined to be 1. 0 mmol/L IPTG, 16 ℃ for 14 h. After purification, the purity of recombinant IspD protein reached, and it could specifically bind to mouse anti-His tag monoclonal antibodies. The polyclonal antibodies against IspD protein achieved a high titer of 1∶102 400, which could specifically recognize IspD protein in recombinant bacterial lysate. The expression level of Ms IspD protein did not change significantly after M6 treatment.Conclusion In this study, the potential target IspD protein of M6 was successfully screened by antibody microarray screening, and Ms IspD protein was expressed in E.coli. The polyclonal antibodies against IspD were prepared by immunizing mice, providing essential experimental basic for further functional studies of this protein and the development of novel anti-tuberculosis drugs.

ObjectiveTo analyze the research status, hotspots and development trends in the application of virtual reality (VR) technology in managing negative emotions and postoperative rehabilitation of perioperative patients over the past decade. MethodsLiteratures related to the application of VR technology in managing negative emotions and postoperative rehabilitation of perioperative patients were retrieved from Web of Science Core Collection database and CNKI, covering the period from January, 2015 to August, 2025, and CiteSpace 6.3.R1 was used for bibliometric analysis. ResultsA total of 267 English literatures and 130 Chinese literatures were included, with the annual number of publications showing an upward trend. The United States was the country with the largest number of publications in English literatures, and Erasmus University Rotterdam was the institution with the largest number of publications. High-frequency keywords included virtual reality, pain, surgery, anxiety and distraction. Research hotspots mainly focused on functional exercise, negative emotions, pain management and multimodal intervention strategies. English researches were deepening towards virtual reality exposure therapy, mechanism exploration and personalized schemes, while Chinese researches focused more on the verification of rehabilitation effects. ConclusionResearches on the application of VR technology in the management of perioperative patients are rapidly developing, with research hotspots shifting from single technology application to multimodal and personalized integrated intervention. Future research should focus on exploring its intervention mechanisms, personalized schemes and the breadth of cross-departmental applications.

Objective To assess the situation and influencing factors of occupational burnout among the staff at the Center for Disease Control and Prevention (CDC) in Sichuan Province. Methods A total of 1 038 CDC staff members in Sichuan Province were selected as the study subjects using the stratified random sampling method. Occupational burnout of the staff was assessed using the Maslach Burnout Inventory General Survey via an online questionnaire. Results The detection rate of occupational burnout was 42.3% (439/1 038). Binary logistic regression analysis result showed that, after controlling for confounding factors such as education level and alcohol consumption, CDC staffs aged at 20-<31, 31-<41, and 41-<51 years were at higher risk of occupational burnout compared with those ≥51 years (all P<0.05). CDC staffs with 5-<10 or ≥10 years of service had higher occupational burnout risk compared with those with <5 years (both P<0.05). CDC staffs with poor or fair health status, irregular diet, and poor sleep quality had higher risk of occupational burnout compared with those healthy, have regular diet, and good sleep quality (all P<0.05). The risk of occupational burnout increased with higher overtime frequency (all P<0.05). Conclusion Occupational burnout among CDC staffs in Sichuan Province is relatively high. Age, years of service, health status, diet, sleep quality, and overtime frequency are key influencing factors.

Cemental tear is a rare and indetectable condition unless obvious clinical signs present with the involvement of surrounding periodontal and periapical tissues. Due to its clinical manifestations similar to common dental issues, such as vertical root fracture, primary endodontic diseases, and periodontal diseases, as well as the low awareness of cemental tear for clinicians, misdiagnosis often occurs. The critical principle for cemental tear treatment is to remove torn fragments, and overlooking fragments leads to futile therapy, which could deteriorate the conditions of the affected teeth. Therefore, accurate diagnosis and subsequent appropriate interventions are vital for managing cemental tear. Novel diagnostic tools, including cone-beam computed tomography (CBCT), microscopes, and enamel matrix derivatives, have improved early detection and management, enhancing tooth retention. The implementation of standardized diagnostic criteria and treatment protocols, combined with improved clinical awareness among dental professionals, serves to mitigate risks of diagnostic errors and suboptimal therapeutic interventions. This expert consensus reviewed the epidemiology, pathogenesis, potential predisposing factors, clinical manifestations, diagnosis, differential diagnosis, treatment, and prognosis of cemental tear, aiming to provide a clinical guideline and facilitate clinicians to have a better understanding of cemental tear.
Humans ; Dental Cementum/injuries* ; Consensus ; Diagnosis, Differential ; Cone-Beam Computed Tomography ; Tooth Fractures/therapy*

Acute ischemic stroke (AIS) is a kind of central nervous system disease that seriously threatens human health and life. Current treatment for AIS is mainly reperfusion. However, the time-sensitive of reperfusion limits its clinical application, and a considerable part of patients within the time window cannot achieve the expected effect after reperfusion; related complications of reperfusion have not been completely solved. So far, some clinical trials have confirmed that neuroprotectants are useful supplements and adjuncts to reperfusion. This paper reviews the recent advance in neuroprotectants combined with reperfusion in AIS to provide references for AIS treatment.

Ankylosing spondylitis (AS) combined with lower cervical fracture is often categorized into unstable fracture, with a high incidence of neurological injury and a high rate of disability and morbidity. As factors such as shoulder occlusion may affect the accuracy of X-ray imaging diagnosis, it is often easily misdiagnosed at the primary diagnosis. Non-operative treatment has complications such as bone nonunion and the possibility of secondary neurological damage, while the timing, access and choice of surgical treatment are still controversial. Currently, there are no clinical practice guidelines for the treatment of AS combined with lower cervical fracture with or without dislocation. To this end, the Spinal Trauma Group of Orthopedics Branch of Chinese Medical Doctor Association organized experts to formulate Clinical guidelines for the treatment of ankylosing spondylitis combined with lower cervical fracture in adults ( version 2024) in accordance with the principles of evidence-based medicine, scientificity and practicality, in which 11 recommendations were put forward in terms of the diagnosis, imaging evaluation, typing and treatment, etc, to provide guidance for the diagnosis and treatment of AS combined with lower cervical fracture.

BackgroundAnxiety exists as a prevalent psychological problem among college students nowadays， which brings negative influence on their normal life. Mobile phone addiction and loneliness both have an impact on college students' anxiety. However， the acting path of loneliness between mobile phone addiction and anxiety requires further exploration. ObjectiveTo analyze the relationships among mobile phone addiction， loneliness and anxiety in college students， and to explore the acting path of loneliness between mobile phone addiction and anxiety. MethodsOn December 21， 2023， 1 400 college students from a university in Henan Province were selected， in accordance with the simple random sampling method， for investigation of this study. Questionnaire survey was conducted by using several scales including Mobile Phone Addiction Tendency Scale （MPATS）， Self-rating Anxiety Scale （SAS） and University of California Los Angeles-Loneliness Scale （UCLA-LS）. Pearson correlation analysis was used to examine the correlation between the scores of each scale above， and SPSS macro program Process 3.3 was used to test the mediation effect. ResultsA total of 1 239 valid questionnaires were collected， with an effective recovery rate of 88.50%. The MPATS score of college students was positively correlated with both SAS and UCLA-LS scores （r=0.474， 0.387， P<0.01）， and UCLA-LS score was positively correlated with SAS score （r=0.541， P<0.01）. The indirect effect of loneliness between mobile phone addiction and anxiety was 0.160 （95% CI： 0.118~0.173）， accounting for 33.97% of the total effect. ConclusionMobile phone addiction can positively predict anxiety among college students， and loneliness may act as the mediation path between mobile phone addiction and anxiety among college students.

Objective To analyze the current status and frontier trends of research on the application of cognitive-motor dual task training(CMDT)in stroke. Methods Relevant literatures on the application of CMDT in stroke were retrieved from CNKI,Wanfang data,VIP,SinoMed and Web of Science Core Collection from inception to October 11,2023,and was analyzed with CiteSpace 6.2R4. Results A total of 285 articles were included with 124 in Chinese and 161 in English.The annual number of publications showed a general upward trend.United States,Canada,Netherlands,China and United Kingdom were the lead-ing countries in terms of output in English.The scholar with the most publications in Chinese was Zheng Jiejiao,and the Department of Rehabilitation Medicine in Huadong Hospital of Fudan University was the leading institu-tion for Chinese publications.Vrije University Amsterdam was the leading institution for English publications.The most frequent Chinese keywords were gait,falls,balance,cognition and postural control.The most frequent English keywords were dual-task,walking,gait,balance and cognitive-motor interference.Bursting keywords from the past two years included gait training,cognitive tasks,balance ability and cognitive-motor interference. Conclusion The researches on the application of CMDT in stroke are on the rise,with hotspots including gait training,cognitive tasks and cognitive-motor interference.The mechanisms of CMDT and the development of optimal CMDT rehabilitation protocols for stroke may be researched more in the future.

177Lu-prostate specific membrane antigen(PSMA)radio-ligand therapy has been approved abroad for advanced prostate cancer and has been in several clinical trials in China.Based on domestic clinical practice and experimental data and referred to international experience and viewpoints,the expert group forms a consensus on the clinical application of 177Lu-PSMA radio-ligand therapy in prostate cancer to guide clinical practice.

Acromioclavicular joint dislocation is a common clinical condition in shoulder injuries, causing shoulder pain, swelling, and tenderness, and leading to limitations in abduction, elevation, forward flexion, and extension of the upper limb, which severely affects the patient′s daily life. Rockwood type ⅢB to type Ⅵ acromioclavicular joint dislocations, involving coracoclavicular ligament rupture, often require surgical treatment. Coracoclavicular fixation or ligament reconstruction, by reconstructing the coracoclavicular ligament, restores the vertical stability of the acromioclavicular joint and is more in line with the anatomical structure of the joint, which has been widely accepted by clinical physicians and patients. However, in recent years, there have been reports questioning its adequacy in horizontal stability. This article aims to review the treatment of acromioclavicular joint dislocations with coracoclavicular fixation and coracoclavicular ligament reconstruction and to discuss the future prospects of this approach.