1.From Gene Expression to Transcriptome-wide Association Study: Development and Comparison of Methodology
Kun FANG ; Guozhuang LI ; Linting WANG ; Qing LI ; Kexin XU ; Lina ZHAO ; Zhihong WU ; Jianguo ZHANG ; Nan WU
Medical Journal of Peking Union Medical College Hospital 2026;17(1):223-229
Over the past two decades, genome-wide association study(GWAS) has identified numerous genetic variants and loci associated with heritable diseases. With the gradual maturation and saturation of GWAS methodologies, transcriptome-wide association study(TWAS) offers a novel perspective by linkinggenetic phenotypes to gene expression levels. By integrating TWAS with other multi-omics analyses, researchers can gain a deeper understanding of heritable diseases. This article provides an overview of recent groundbreaking and representative TWAS methods and tools, analyzes their strengths and limitations, and discusses future trends in TWAS development.
2.Secular trends in energy and macronutrient intake across different occupational groups in nine provinces of China, 1989–2018
Yu WU ; Jiguo ZHANG ; Liusen WANG ; Lixin HAO ; Chang QU ; Yumeng SONG ; Zhihong WANG ; Huijun WANG ; Bing ZHANG ; Hongru JIANG ; Gangqiang DING
Journal of Environmental and Occupational Medicine 2026;43(2):145-152
Background With China's socio-economic development, the dietary structure of Chinese residents has gradually shifted from a traditional Eastern pattern characterized by high carbohydrate intake to a relatively high-fat Western dietary model, alongside a growing burden of chronic diseases. However, dietary changes may vary across different occupational groups. Objective To analyze the long-term trends in dietary energy and three major macronutrient intake among various occupational groups aged 18-59 years in nine provinces of China from 1989 to 2018, providing a scientific basis for developing occupation-specific dietary intervention strategies. Methods Based on 11 waves of data (1989–2018) from the China Health and Nutrition Survey (CHNS),
3.Cardiometabolic risk factor trends across different occupational groups in nine provinces of China, 2009–2018
Yu WU ; Hongru JIANG ; Lixin HAO ; Liusen WANG ; Weiyi LI ; Shaoshunzi WANG ; Zijian WANG ; Zhihong WANG ; Huijun WANG ; Bing ZHANG ; Lili CHEN ; Gangqiang DING
Journal of Environmental and Occupational Medicine 2026;43(2):153-159
Background With China's socioeconomic development, significant lifestyle changes have occurred among occupational groups, leading to alterations in cardiovascular metabolic risk factors. However, few studies have examined the secular trends of these risk factors in China's working population. Objective To analyze the trends in cardiovascular metabolic risk factors among the occupational population in nine provinces of China from 2009 to 2018, and to explore the associations between different occupational types and these risk factors, along with their clustering patterns, thereby providing evidence for targeted interventions. Methods This study utilized data from the China Health and Nutrition Survey (CHNS) in 2009, 2015, and 2018. The dataset covered
4.Change trend of compound obesity among different occupational groups in nine provinces of China from 1993 to 2018
Lixin HAO ; Yu WU ; Liusen WANG ; Lili CHEN ; Boya ZHAO ; Zhongting LU ; Zhihong WANG ; Bing ZHANG ; Hongru JIANG ; Huijun WANG
Journal of Environmental and Occupational Medicine 2026;43(2):160-167
Background The global prevalence of obesity is on the rise and is closely associated with various chronic non-communicable diseases such as cardiovascular diseases and diabetes. There is a relative lack of long-term dynamic studies on compound obesity among occupational populations. Objective To explore the changing trends of compound obesity among different occupational groups aged 18–59 years in nine provinces (autonomous regions, municipalities) of China from 1993 to 2018, and to provide a scientific basis for formulating targeted weight management strategies for occupational populations. Methods A total of
5.Association between changes in body mass index and hypertension among different occupational groups
Zhongting LU ; Lili CHEN ; Hongru JIANG ; Lixin HAO ; Liusen WANG ; Weiyi LI ; Yu WU ; Huijun WANG ; Bing ZHANG ; Jiguo ZHANG ; Zhihong WANG
Journal of Environmental and Occupational Medicine 2026;43(2):168-173
Background With rising obesity rates and earlier hypertension onset among occupational populations, there is an urgent need to elucidate the long-term cardiovascular impacts of dynamic body weight patterns. Current evidence lacks trajectory modeling studies examining occupation-specific prevention strategies. Objective To investigate the association between long-term body mass index (BMI) trajectories and incident hypertension risk in Chinese working adults, and to examine occupation-specific heterogeneity in this relationship. Methods A dynamic sub-cohort of 4 413 occupational participants was constructed from ten survey waves (1991–2018) of the China Health and Nutrition Survey (CHNS). Eligible individuals had valid key BMI records at three or more independent follow-ups before the outcome event; the individual baseline was set as the year of their first participation in the survey. Group-based trajectory modeling (GBTM) was used to identify BMI change patterns. Cox proportional hazards regression was used to calculate hazard ratios (HRs) and 95% confidence interval (CI) for hypertension incidence across trajectory groups, with stratified analysis by occupational categories. Results Among
6.Effects of loneliness, social support and social media use on post-traumatic stress symptoms among post-earthquake adolescents
Zhaoran GUO ; Qicheng CHE ; Zhihong WU ; Wei SHI
Sichuan Mental Health 2025;38(1):53-58
BackgroundPost-traumatic stress symptoms (PTSS) is highly prevalent in adolescents who have experienced earthquake, which seriously threatens their physical and mental health, yet there is currently a lack of research on the effects of loneliness, social support and social media use on PTSS among post-earthquake adolescents. ObjectiveTo assess the PTSS among adolescents experiencing MS6.0 Luxian, Sichuan, earthquake on 16 September 2021, and to investigate the effects of loneliness, social support and social media use on PTSS, so as to provide references for the intervention of PTSS among post-earthquake adolescents. MethodsOn November 12, 2021, simple random sampling technique was used to select 2 522 post-earthquake adolescents in Luxian county of Luzhou city in Sichuan province. All subjects were assessed using Post-Traumatic Stress Disorder Checklist for DSM-5 (PCL-5), Multidimensional Scale of Perceived Social Support (MSPSS), Short-form UCLA Loneliness Scale (ULS-3) and Social Media Use Scale (SM-10). Binary Logistic regression was used to determine the factors influencing PTSS among post-earthquake adolescents. ResultsPTSS was detected in 91 (3.61%) adolescents. Binary Logistic regression revealed that perceived social support from family members (OR=0.926, 95% CI: 0.879~0.976) was a protective factor for PTSS among post-earthquake adolescents. Lack of companionship (OR=1.764, 95% CI: 1.141~2.727), feeling isolated (OR=2.037, 95% CI: 1.282~3.236), and viewing negative emotional response of disaster victims through social media (OR=1.615, 95% CI: 1.291~2.020) were risk factors for PTSS among post-earthquake adolescents. ConclusionLack of companionship, feeling isolated, and viewing negative emotional response of disaster victims through social media pose a negative impact on PTSS among post-earthquake adolescents, while perceived social support from family members exert a positive impact on PTSS among post-earthquake adolescents. [Funded by Humanity and Social Science Youth foundation of Ministry of Education of China (number, 22YJC190019); Natural Science Foundation of Sichuan Province (number, 2023NSFSC1486)]
7.Safety and efficacy of sequential hepatectomy after conversion therapy using vascular intervention therapy combined with TKI and PD-1 inhibitors for initial unresectable hepatocellular carcinoma
Zhihong TANG ; Du YUAN ; Shaowei XU ; Qingqing PANG ; Guilin ZHAO ; Meng WEI ; Feixiang WU
Academic Journal of Naval Medical University 2025;46(2):206-214
Objective To explore the perioperative safety and prognostic factors of sequential hepatectomy after conversion therapy using vascular interventional therapy(including transarterial chemoembolization and hepatic arterial infusion chemotherapy)combined with tyrosine kinase inhibitors(TKI)and programmed death-1(PD-1)inhibitors in patients with initially unresectable hepatocellular carcinoma.Methods The clinical data of 106 eligible HCC patients treated in Tumor Hospital Affiliated to Guangxi Medical University from Nov.2019 to Apr.2024 were retrospectively analyzed.The perioperative parameters and postoperative pathological outcomes were described in detail,and factors influencing prognosis were analyzed.Results The median operative time for hepatectomy after conversion therapy was 240 min,with a median blood loss of 200 mL.Intraoperative blood transfusion was required in 24(22.6%)patients.Postoperative adverse reactions occurred in 49.1%(52/106)of patients,with liver failure being the most common adverse reactions(23 patients,21.7%).One(0.9%)patient died during the perioperative period,while the remaining 105 patients were followed up for a median duration of 14.7 months,during which 49(46.2%)patients experienced recurrence.Among them,39(36.8%)cases experienced early recurrence(within 1 year),and 33(31.1%)cases had intrahepatic recurrence.Thirteen(12.3%)patients died during follow-up.The median recurrence-free survival(RFS)was 15.7 months,with 1-year and 2-year RFS rates being 56.9%and 40.3%,respectively.The median overall survival(OS)was not reached,with 1-year and 2-year OS rates being 94.2%and 85.3%,respectively.Multivariate Cox regression analysis demonstrated that achieving complete pathological response(hazard ratio[HR]=0.410,95%confidence interval[CI]0.172-0.980,P=0.045),presence of microvascular invasion(HR=2.423,95%CI 1.269-4.625,P=0.007),satellite nodules(HR=1.916,95%CI 1.014-3.620,P=0.045),and multiple tumors(HR=1.818,95%CI 1.012-3.241,P=0.046)were independent factors associated with postoperative recurrence.Conclusion For patients with initially unresectable hepatocellular carcinoma,vascular interventional therapy combined with TKI and PD-1 inhibitors followed by sequential hepatectomy may be a feasible treatment strategy,with manageable adverse reactions and promising efficacy.
8.Expert consensus on digital restoration of complete dentures.
Yue FENG ; Zhihong FENG ; Jing LI ; Jihua CHEN ; Haiyang YU ; Xinquan JIANG ; Yongsheng ZHOU ; Yumei ZHANG ; Cui HUANG ; Baiping FU ; Yan WANG ; Hui CHENG ; Jianfeng MA ; Qingsong JIANG ; Hongbing LIAO ; Chufan MA ; Weicai LIU ; Guofeng WU ; Sheng YANG ; Zhe WU ; Shizhu BAI ; Ming FANG ; Yan DONG ; Jiang WU ; Lin NIU ; Ling ZHANG ; Fu WANG ; Lina NIU
International Journal of Oral Science 2025;17(1):58-58
Digital technologies have become an integral part of complete denture restoration. With advancement in computer-aided design and computer-aided manufacturing (CAD/CAM), tools such as intraoral scanning, facial scanning, 3D printing, and numerical control machining are reshaping the workflow of complete denture restoration. Unlike conventional methods that rely heavily on clinical experience and manual techniques, digital technologies offer greater precision, predictability, and efficacy. They also streamline the process by reducing the number of patient visits and improving overall comfort. Despite these improvements, the clinical application of digital complete denture restoration still faces challenges that require further standardization. The major issues include appropriate case selection, establishing consistent digital workflows, and evaluating long-term outcomes. To address these challenges and provide clinical guidance for practitioners, this expert consensus outlines the principles, advantages, and limitations of digital complete denture technology. The aim of this review was to offer practical recommendations on indications, clinical procedures and precautions, evaluation metrics, and outcome assessment to support digital restoration of complete denture in clinical practice.
Humans
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Denture, Complete
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Computer-Aided Design
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Denture Design/methods*
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Consensus
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Printing, Three-Dimensional
9.New Advances in Precision Treatment for Bone Metastasis of Tumors
Annan LIANG ; Hao FAN ; Jinyi XING ; Zhifa ZHENG ; Lina ZHAO ; Zhihong WU ; Guixing QIU
Medical Journal of Peking Union Medical College Hospital 2025;16(4):817-825
Bone metastasis,as a common terminal event in patients with advanced malignant tumors,significantly impacts patients'quality of life and survival prognosis,posing a major clinical challenge in the field of oncology.With the deepening understanding of tumor biology,the treatment paradigm for bone metastasis has progressively shifted from traditional palliative care to precise targeted interventions.Currently,clinical treatment strategies have demonstrated diversified development,with various therapeutic approaches-including radiotherapy,immunotherapy,bone-modifying agents,and small-molecule targeted drugs—achieving notable clinical progress.However,existing treatment regimens still face challenges such as significant interindividual variability in efficacy,frequent drug resistance,and prominent adverse effects.This article systematically reviews the latest advances in precision therapy for bone metastasis,provides an in-depth analysis of the strengths and limitations of different treatment strategies,and offers perspectives on future research directions and therapeutic prospects,aiming to provide reference for optimizing clinical practice and promoting translational research.
10.Plasma ctDNA TP53 Mutation and Breast Cancer Prognosis:A Systematic Review and Meta-Analysis
Hao FAN ; Annan LIANG ; Wei ZOU ; Guangxi GAO ; Lijin LIU ; Fei LIU ; Lina ZHAO ; Zhihong WU
Medical Journal of Peking Union Medical College Hospital 2025;16(4):874-885
Objective To analyze the association between plasma circulating tumor DNA(ctDNA)TP53 mutation status and survival outcomes in breast cancer patients.Methods PubMed,Embase,and the Cochrane Library were searched for relevant literature published between 2000 and 2025,examining the impact of plasma ctDNA TP53 mutations on survival outcomes in breast cancer patients,including overall survival(OS),progression-free survival(PFS),or disease-free survival(DFS).Two researchers independently screened the literature according to predefined inclusion and exclusion criteria and extracted relevant data.The Newcastle-Ottawa scale and Cochrane Risk of Bias Assessment Tool were used to evaluate study quality.Meta-analysis,publication bias assessment,and sensitivity analysis were performed using Review Manager 5.3 and STATA 18.0 software.Results A total of 14 studies(13 cohort studies and 1 randomized controlled trial)in-volving 3521 breast cancer patients were included,among whom 921 had TP53 mutations.All studies were as-sessed as high-quality or low-risk.The random-effects model demonstrated that TP53 mutations were significantly associated with poorer OS(I2=77%,HR=1.82,95%CI:1.15-2.88,P=0.010),PFS(I2=63%,HR=1.68,95%CI:1.30-2.17,P<0.001),and DFS(I2=85%,HR=1.98,95%CI:1.05-3.75,P=0.040).Funnel plots indicated no significant publication bias,and sensitivity analysis confirmed the stabil-ity and reliability of the results.Subgroup analyses based on study design,breast cancer stage and molecular subtype revealed that TP53 mutations were associated with worse prognosis in prospective studies(OS:HR=2.32,95%CI:1.84-2.92,P<0.001;PFS:HR=1.83,95%CI:1.47-2.27,P<0.001),metastatic/ad-vanced breast cancer(OS:HR=2.03,95%CI:1.44-2.87,P<0.001;PFS:HR=1.90,95%CI:1.57-2.31,P<0.001),and hormone receptor-positive and human epidermal growth factor receptor 2-negative(HR+HER2-)patients(OS:HR=2.11,95%CI:1.56-2.85,P<0.001;PFS:HR=1.94,95%CI:1.62-2.33,P<0.001).Among different treatment regimens,patients with TP53 mutations receiving trastuzumab combined with paclitaxel exhibited relatively better prognosis(PFS:HR=0.08,95%CI:0.02-0.30,P<0.001).Conclusion Plasma ctDNA TP53 mutations are closely associated with survival outcomes in breast cancer patients and may serve as a potential predictor of poor prognosis,providing support for clinical manage-ment and prognostic assessment.

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