1.Elevated SLC3A2 Expression Promotes the Progression of Gliomas and Enhances Ferroptosis Resistance through the AKT/NRF2/GPX4 Axis
Yuqian ZHENG ; Shaolong ZHOU ; Yiran TAO ; Zimin SHI ; Xiang LI ; Xudong FU ; Jian MA ; Weihua HU ; Wulong LIANG ; Xinjun WANG
Cancer Research and Treatment 2026;58(1):71-94
Purpose:
The aim of this study is to determine the impact of solute carrier family 3 member 2 (SLC3A2) on the malignant phenotype of gliomas and its role in regulating ferroptosis sensitivity.
Materials and Methods:
The malignant phenotype of glioma was assessed by cell proliferation assay, colony formation assay, EdU assay, wound healing, and Transwell experiments. We further validated the impact of reduced SLC3A2 expression on the sensitivity to ferroptosis in glioma cells through Cell Counting Kit-8 assays, flow cytometry, western blotting, and transmission electron microscopy. Western blot was used to explore how SLC3A2 affects glioma sensitivity to ferroptosis through the AKT/NF-E2-related factor 2 (NRF2)/glutathione peroxidase 4 (GPX4) axis. By establishing a subcutaneous xenograft tumor model in BALB/c-nude mice, we investigated the growth of tumors following the knockout of SLC3A2 in glioma cells.
Results:
Downregulation of SLC3A2 suppressed the malignant phenotype of glioma by blocking the cell cycle and epithelial-mesenchymal transition processes. On the other hand, loss of SLC3A2 not only downregulated SLC7A11 but also prevented the activation of the AKT/NRF2/GPX4 axis. These lead to increased accumulation of reactive oxygen species and lipid peroxides, ultimately enhancing the susceptibility of glioma to ferroptosis.
Conclusion
Our findings suggest that SLC3A2 is an oncogene in gliomas, promoting their occurrence and development. It plays a critical role in ferroptosis resistance through the AKT/NRF2/GPX4 axis.
2.Research progress on the effects and mechanisms of fetal growth restriction induced by PM 2.5 exposure
Shimin TAO ; Weihua LI ; Yanyi XU
Chinese Journal of Reproduction and Contraception 2025;45(4):421-427
The adverse effects of fine particulate matter (PM 2.5) on human health have become a major global public health concern. Pregnant women and fetuses, as susceptible populations, are more vulnerable to the threat of PM 2.5 pollution. Increasing studies indicate that PM 2.5 exposure is an important risk factor of fetal growth restriction (FGR), and oxidative stress, inflammatory response, endocrine disorders, epigenetic modifications, autophagic abnormalities, and gut microbiota dysbiosis may be the biological mechanisms underlying PM 2.5-induced FGR. This study offers insights for the development of targeted preventive and therapeutic methods for FGR caused by PM 2.5.
3.Analysis of the status of clinical trial registration for contraceptives based on WHO International Clinical Trials Registry Platform
Mingjun YANG ; Fang TIAN ; Xin ZHANG ; Minjie XIA ; Jingying HU ; Weihua LI ; Daxu FU
Chinese Journal of Reproduction and Contraception 2025;45(7):720-724
Objective:To analyze the registration status of clinical trials related to contraceptives based on the data of World Health Organization International Clinical Trials Registry Platform (ICTRP), so as to understand the situation of contraceptives development, and provide reference for improving the quality of clinical trials.Methods:All records in the database of ICTRP before January 1, 2025 was researched to screen out contraceptives clinical trials, and the registration time, registration platform, regional distribution, trial design and research content were analyzed.Results:A total of 206 clinical trials related to contraceptives were included. The projects were mainly carried out in the United States, Germany, and India. About 95.63% (197/206) of the study subjects were women of reproductive age. The main type of study was intervention [89.32% (184/206)], among which random trials accounted for 53.26% (98/184), and parallel group trials were the most common [82.65% (81/98)]. Over 64.56% (133/206) of the trials were indicated with open-label. Most of the clinical trials were in phase Ⅲ [47.57% (98/206)] and phase Ⅳ [16.50% (34/206)]. The interventions in female studies were mainly in three aspects: oral contraceptive [42.64% (84/197)], intrauterine delivery [15.23% (30/197)], and vaginal delivery [15.23% (30/197)], and the primary outcome included pregnancy rate [54.82% (108/197)], adverse drug reactions [13.20% (26/197)], ovulation inhibition [8.63% (17/197)], and vaginal infection [4.06% (8/197)].Conclusion:The clinical trials of contraceptives were unevenly distributed, the research types were mainly randomized interventional trials, the included participants were mainly women of reproductive age, the intervention measures were mostly oral contraceptive, intrauterine delivery and vaginal delivery.
4.Research advances in machine learning for prognosis and risk of adverse event prediction after mechanical thrombectomy in acute anterior circulation large vessel occlusion
Chenwei LI ; Keke YANG ; Xiaojun WANG ; Weihua GUO ; Zhiheng FENG ; Huiyuan PENG
Chinese Journal of Cerebrovascular Diseases 2025;22(3):210-216,后插1
Acute large vessel occlusion stroke(ALVOS)of anterior circulation is associated with severe clinical manifestations and high rates of disability and mortality.Mechanical thrombectomy has emerged as the primary therapeutic intervention.However,post-procedural outcomes remain highly variable,and patients continue to face elevated risks of poor prognosis.Machine learning,a transformative tool in medical research,enables comprehensive analysis of multimodal data to identify specific biomarkers and improve the accuracy of predictions for clinical outcomes and adverse events.This review summarized the latest developments in machine learning applications aim at predicting post-thrombectomy prognosis and risk of adverse event,including futile recanalization,hemorrhagic transformation,and malignant cerebral edema in patients with anterior circulation ALVOS in order to provide a basis for developing personalized treatment plan and improve their clinical prognosis.
5.Psychological characteristics of obese patients with polycystic ovary syndrome and their impact on the efficacy of bariatric surgery
Rongli PAN ; Peikai ZHAO ; Yuxuan LI ; Ruixin TAO ; Xin HUANG ; Teng LIU ; Weihua LI ; Shaozhuang LIU
Chinese Journal of General Surgery 2025;34(4):686-697
Background and Aims:Polycystic ovary syndrome(PCOS)is a common endocrine disorder among obese women,often accompanied by psychological issues such as anxiety and depression.Laparoscopic sleeve gastrectomy(LSG)is an effective treatment for obesity and its related metabolic conditions,and has shown clear benefits in improving weight and metabolic profiles in PCOS patients.However,the potential mechanisms by which psychological status may affect weight loss outcomes remain unclear.This study aimed to evaluate the psychological characteristics of obese patients with PCOS and explore their impact on postoperative weight loss outcomes,in order to provide evidence for individualized intervention strategies.Methods:Female obese patients scheduled for LSG between November 2020 and September 2022 were enrolled and divided into PCOS and non-PCOS groups.Standardized psychological scales were used to assess anxiety,depression,self-esteem,and eating behaviors.Weight loss outcomes were recorded at 6 and 12 months postoperatively.Propensity score matching was used to control for confounding factors such as age and body mass index(BMI),and correlation analysis was conducted to explore the relationship between psychological status and weight loss outcomes.Results:A total of 314 patients were included,with 130 cases(41.4%)in the PCOS group.Before matching,the PCOS group had significantly worse psychological indicators and lower weight loss outcomes compared to the non-PCOS group(all P<0.05);after matching,these differences were no longer statistically significant(all P>0.05).Emotional eating was positively correlated with 12-month weight loss outcomes in the PCOS group,while anxiety and internalized weight stigma were associated with weight loss outcomes in the non-PCOS group(P<0.05).Additionally,among patients with moderate and extreme obesity,weight loss outcomes in the PCOS group were superior to those in the non-PCOS group(P<0.05).BMI was negatively correlated with self-esteem,eating behaviors,and quality of life(all P<0.05).Conclusion:Obese patients with PCOS exhibit notable psychological distress.However,after controlling for BMI and age,their psychological status and weight loss outcomes are comparable to those of non-PCOS patients.BMI may serve as an important confounding factor,and psychological factors may influence weight loss indirectly through eating behaviors.Preoperative psychological screening and intervention are recommended.
6.Application of Omics Technologies in the Study of Traditional Chinese Medicine's Anti-infective Properties
Huaiyuan SUN ; Wenyue LI ; Jiajia FENG ; Weihua KONG ; Kun JIANG ; Likai LIN
Herald of Medicine 2025;44(6):917-923
Traditional Chinese medicine(TCM)has been used for the control and prevention of infectious diseases for thousands of years.Due to its characteristics of multiple components and multiple targets,it shows promising therapeutic prospects in the field of anti-infection.Here,we provide a detailed introduction to the current application of various omics technologies,such as metabolomics,proteomics,genomics,and transcriptomics in the study of TCM's anti-infective properties.The application of omics technologies can help explore the active components and their targets in TCM that contribute to its anti-infective effects;elucidate the biosynthetic pathways of active components,aiding in the discovery of new active ingredients;and investigate the mechanisms by which TCM affects pathogenic microorganisms,as well as interpret the mechanisms of TCM's synergy with antibiotics.As more research findings are produced and validated,the role of TCM in addressing the global challenge of antimicrobial resistance will become increasingly prominent through the integration of multi-omics and multidisciplinary research methods in the future.
7.Advancements and future directions for differentiating multiple primary from me-tastatic esophageal squamous cell carcinoma
Nan YAO ; Lei GUO ; Liyan XUE ; Weihua LI
Chinese Journal of Clinical and Experimental Pathology 2025;41(10):1261-1264,1272
Esophageal squamous cell carcinoma(ESCC)often exhibits a high incidence of multifocality.The dis-tinction between multiple primary and metastatic tumor origin is a prerequisite for precise diagnosis and treatment.Based on histopathological diagnosis,molecular pathological diagnostic indicators and technologies utilizing multi-omics approaches(DNA,RNA,protein)have been gradually identified.This article systematically reviews recent advance-ments in pathological diagnostic techniques for distinguishing the origin of multifocal ESCC and provides future perspec-tives,aiming to offer references for precise diagnosis.
8.Establishment and practice of scientific research project-based experimental system—exploration of"5+3"integration Medical Immunology experimental teaching
Haiying FU ; Yanling WANG ; Hongyan YUAN ; Dongmei YAN ; Weihua NI ; Yan QI ; Dong LI ; Xia CHEN ; Wei YANG
Chinese Journal of Immunology 2025;41(1):195-197,201
Theory and technology of Medical Immunology are widely used in scientific research.Our teaching and research group uses experimental teaching of Medical Immunology as a platform to carry out practice of scientific research project-based experi-mental system among"5+3"integration students.By completing a mini-project research including experimental design-experimental operation-research article writing,students cultivated scientific research thinking and exercised scientific research practice ability,and generally reported that the course is very difficult,but after completing it,it is very rewarding.
9.Clinical outcomes of ultrasonic bone scalpel-assisted laminotomy in the management of thoracic spinal stenosis
Guangshen LI ; Chunmao CHEN ; Weihua ZHU ; Aibing HUANG ; Jian BIAN ; Haijun LI
Chinese Journal of Orthopaedics 2025;45(11):719-727
Objective:This study introduces a novel segmented and layered thoracic laminoplasty technique for the treatment of thoracic spinal stenosis (TSS) caused by ossification of the posterior longitudinal ligament (OPLL) and ligamentum flavum (OLF). The goal is to simplify the surgical procedure, improve safety, reduce iatrogenic injuries, and validate its clinical outcomes through follow-up.Methods:A retrospective analysis was conducted on 23 patients (10 males, 13 females; mean age 58.83±12.01 years) treated at Taizhou People's Hospital Affiliated to Nanjing Medical University from January 2018 to December 2023. Transverse grooves were created at the superior and inferior vertebral pedicle levels, utilizing the intervertebral ligamentum flavum as a segmental demarcation reference. Partial removal of the distal lamina and medial of the inferior articular process was performed through a cortical window. Under direct visualization, complete removal of ossified ligamentum flavum, proximal portion of lamina, superior articular process. The treatment effect was evaluated by clinical symptoms, signs, Japanese Orthopaedic Association (JOA) score, visual analogue scale (VAS), imaging results (CT and MRI) and complications before or after surgery.Results:All 23 procedures were successfully completed with a mean operative duration of 180(150, 220) min, the surgical time for 71 segments were 67.5(53.8, 120.0) minutes and intraoperative blood loss of 200(100, 300) ml, demonstrating a low intraoperative dural tear rate of 8.70% (2/23). Postoperative imaging (CT/MRI) confirmed adequate decompression in all cases, with significant symptom improvement at final follow-up 21(9, 39) months: 47% (7/15) of patients achieved marked relief of lower limb numbness, 82% (14/17) showed substantial motor recovery, and 54% (7/13) exhibited improved gait stability. Functional outcomes revealed significant enhancements, with JOA scores increasing from 8(6, 8) preoperatively to 9(8, 10) postoperatively ( P<0.05; 43.80% improvement rate) and VAS scores decreasing from 6(5, 7) to 2(1, 4) ( P<0.05). The complications were two dural tears and one suture reaction. Conclusions:Ultrasonic osteotome-assisted segmented layered laminectomy is a safe, effective, and straightforward technique for treating thoracic spinal stenosis caused by OPLL and OLF. It offers shorter operative times, minimal complications, and significant clinical improvement, making it a promising technique for broader clinical adoption.
10.Practice and Exploration in Empowering the Development of Research-Oriented Hospital Through the Postdoctoral Workstation in Cancer Specialized Hospital
Libin HUANG ; Qiqi DING ; Weihua HUANG ; Yujing LI ; Yanfei QIU
China Cancer 2025;34(9):718-723
Under the context of the research-oriented hospital construction strategy and national medical talent cultivation policies,postdoctoral research stations have emerged as vital platforms for assembling high-level innovative talents.Based on the construction practices of the postdoctoral research station at Zhejiang Cancer Hospital,this paper focuses on its development trajectory from humble beginnings to being recognized as the only"Excellent medical institution-affiliated post-doctoral work station"in Zhejiang Province.It analyzes the achievements in constructing high-standard organizational management systems,high-caliber mentor teams,and high-investment talent support systems.Addressing existing challenges,the study proposes development strategies in-cluding broadening recruitment channels,exploring diversified training models,striving for inde-pendent recruitment authority,and promoting synergistic development with research-oriented hos-pital initiatives.The aim is to provide replicable experience and insights for postdoctoral platforms in tumor specialty hospitals to empower the construction of research-oriented hospitals.

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