1.Submicron-sized superantigen biomimetic liposomes with highly efficient pulmonary accumulation to remodel local immune microenvironment for cancer chemoimmunotherapy.
Bochuan YUAN ; Feng ZHANG ; Qiucheng YAN ; Wanmei WANG ; Zhangyu LI ; Lina DU ; Yiguang JIN ; Fei XIE
Acta Pharmaceutica Sinica B 2025;15(6):2900-2914
Metastatic lung cancer continues to cause a high number of deaths due to high malignancy and poor prognosis, and the efficacy of typical chemotherapy or immunotherapy is less than ideal due to the low pulmonary accumulation and targeting of therapeutics. Here, a submicron-sized biomimetic liposome was formulated for the lung-targeted co-delivery of bacterial superantigen and paclitaxel. Recombinant staphylococcal enterotoxin C2 (rSEC2), a bacterial superantigen, was expressed with the Escherichia coli system and showed potent immunostimulatory activities to mediate tumor cell death. The submicron-sized (∼800 nm) biomimetic liposomes, namely 4T1 cell membrane-hybrid rSEC2 paclitaxel liposomes (TSPLs), exhibited high lung-accumulation efficiency and tumor homologous effect due to the suitable particle size and membrane hybridization of cancer cell membranes with phospholipids. Intravenous TSPLs remarkably inhibited metastatic lung cancer with limited systemic immune responses. TSPLs reversed the immunosuppressive state and increased the proportion of local CD4+ and CD8+ T cells in the lung; moreover, paclitaxel increased tumor cell apoptosis and reduced tumor burden. In summary, the high lung cancer targeting was achieved by particle size control and cell membrane hybridization, and the highly efficient anticancer effect was achieved by the co-delivery of superantigens and chemotherapeutic drugs.
2.The Role and Mechanisms of Ubiquitin-Proteasome System-Mediated Ferroptosis in Neurological Disorders.
Xin LIU ; Wei WANG ; Qiucheng NIE ; Xinjing LIU ; Lili SUN ; Qiang MA ; Jie ZHANG ; Yiju WEI
Neuroscience Bulletin 2025;41(4):691-706
Ferroptosis is a form of cell death elicited by an imbalance in intracellular iron concentrations, leading to enhanced lipid peroxidation. In neurological disorders, both oxidative stress and mitochondrial damage can contribute to ferroptosis, resulting in nerve cell dysfunction and death. The ubiquitin-proteasome system (UPS) refers to a cellular pathway in which specific proteins are tagged with ubiquitin for recognition and degradation by the proteasome. In neurological conditions, the UPS plays a significant role in regulating ferroptosis. In this review, we outline how the UPS regulates iron metabolism, ferroptosis, and their interplay in neurological diseases. In addition, we discuss the future application of small-molecule inhibitors and identify potential drug targets. Further investigation into the mechanisms of UPS-mediated ferroptosis will provide novel insights and strategies for therapeutic interventions and clinical applications in neurological diseases.
Ferroptosis/physiology*
;
Humans
;
Proteasome Endopeptidase Complex/metabolism*
;
Nervous System Diseases/metabolism*
;
Animals
;
Ubiquitin/metabolism*
;
Iron/metabolism*
3.Application of deep learning-based artificial intelligence technology in bowel preparation assessment
Wen WANG ; Liwen YAO ; Huizhen XIONG ; Qiucheng LI ; Honglei CHEN ; Honggang YU
Chinese Journal of Digestive Endoscopy 2025;42(2):109-114
Objective:To investigate the correlationship between an artificial intelligence-based e-Boston bowel preparation scale (e-BBPS) system score and the adenoma miss rate.Methods:Colonoscopy images of 4 373 patients at the Endoscopy Center of Renmin Hospital of Wuhan University from December 21, 2017 to December 31, 2019 were collected for model training. Patients who underwent colonoscopy at the Eighth Affiliated Hospital of Sun Yat-sen University from October 8, 2021 to November 9, 2022 were prospectively included. Patient's bowel preparation was evaluated by the e-BBPS system and endoscopists based on BBPS score. If both the endoscopists and e-BPPS system believed that the bowel preparation was sufficient, the patient immediately proceeded to a second colonoscopy. Otherwise, the patient underwent bowel preparation again. The differences in adenoma and polyp miss rate between the qualified group (e-BBPS system score ≤3) and the unqualified group (e-BBPS system score >3) were compared.Results:The adenoma miss rate in the qualified group was significantly lower than that in the unqualified group [26.72% (62/232) VS 42.53% (37/87), χ2=7.384, P=0.007, OR=2.029 (95% CI: 1.212-3.396)], and the polyp miss rate in the qualified group was significantly lower than that in the unqualified group [27.28% (195/702) VS 41.24% (113/274), χ2=16.539, P<0.001, OR=1.825 (95% CI: 1.363-2.443)]. Conclusion:The deep learning-based e-BBPS system demonstrates accuracy and reliability in bowel preparation assessment, offering potential to standardize the process of evaluating bowel preparation and reduce missed lesions.
4.Application of deep learning-based artificial intelligence technology in bowel preparation assessment
Wen WANG ; Liwen YAO ; Huizhen XIONG ; Qiucheng LI ; Honglei CHEN ; Honggang YU
Chinese Journal of Digestive Endoscopy 2025;42(2):109-114
Objective:To investigate the correlationship between an artificial intelligence-based e-Boston bowel preparation scale (e-BBPS) system score and the adenoma miss rate.Methods:Colonoscopy images of 4 373 patients at the Endoscopy Center of Renmin Hospital of Wuhan University from December 21, 2017 to December 31, 2019 were collected for model training. Patients who underwent colonoscopy at the Eighth Affiliated Hospital of Sun Yat-sen University from October 8, 2021 to November 9, 2022 were prospectively included. Patient's bowel preparation was evaluated by the e-BBPS system and endoscopists based on BBPS score. If both the endoscopists and e-BPPS system believed that the bowel preparation was sufficient, the patient immediately proceeded to a second colonoscopy. Otherwise, the patient underwent bowel preparation again. The differences in adenoma and polyp miss rate between the qualified group (e-BBPS system score ≤3) and the unqualified group (e-BBPS system score >3) were compared.Results:The adenoma miss rate in the qualified group was significantly lower than that in the unqualified group [26.72% (62/232) VS 42.53% (37/87), χ2=7.384, P=0.007, OR=2.029 (95% CI: 1.212-3.396)], and the polyp miss rate in the qualified group was significantly lower than that in the unqualified group [27.28% (195/702) VS 41.24% (113/274), χ2=16.539, P<0.001, OR=1.825 (95% CI: 1.363-2.443)]. Conclusion:The deep learning-based e-BBPS system demonstrates accuracy and reliability in bowel preparation assessment, offering potential to standardize the process of evaluating bowel preparation and reduce missed lesions.
5.Cancer cell membrane-coated bacterial ghosts for highly efficient paclitaxel delivery against metastatic lung cancer.
Dandan LING ; Xueli JIA ; Ke WANG ; Qiucheng YAN ; Bochuan YUAN ; Lina DU ; Miao LI ; Yiguang JIN
Acta Pharmaceutica Sinica B 2024;14(1):365-377
Chemotherapy is one of the major approaches for the treatment of metastatic lung cancer, although it is limited by the low tumor delivery efficacy of anticancer drugs. Bacterial therapy is emerging for cancer treatment due to its high immune stimulation effect; however, excessively generated immunogenicity will cause serious inflammatory response syndrome. Here, we prepared cancer cell membrane-coated liposomal paclitaxel-loaded bacterial ghosts (LP@BG@CCM) by layer-by-layer encapsulation for the treatment of metastatic lung cancer. The preparation processes were simple, only involving film formation, electroporation, and pore extrusion. LP@BG@CCM owned much higher 4T1 cancer cell toxicity than LP@BG due to its faster fusion with cancer cells. In the 4T1 breast cancer metastatic lung cancer mouse models, the remarkably higher lung targeting of intravenously injected LP@BG@CCM was observed with the almost normalized lung appearance, the reduced lung weight, the clear lung tissue structure, and the enhanced cancer cell apoptosis compared to its precursors. Moreover, several major immune factors were improved after administration of LP@BG@CCM, including the CD4+/CD8a+ T cells in the spleen and the TNF-α, IFN-γ, and IL-4 in the lung. LP@BG@CCM exhibits the optimal synergistic chemo-immunotherapy, which is a promising medication for the treatment of metastatic lung cancer.
6.Bibliometric analysis of the application of mobile health technology in family caregivers
Ruxia YU ; Jing JIANG ; Xiaoyue ZHAO ; Yue WANG ; Qiucheng WANG
Chinese Journal of Modern Nursing 2024;30(33):4535-4541
Objective:To explore the research hotspots and development trends of mobile health technology applications among family caregivers using bibliometric methods, providing a reference for related studies.Methods:The Web of Science Core Collection was selected as the data source, and research on mobile health technology in family caregivers published from January 1, 2005, to August 31, 2023, was retrieved. Excel, Scimago Graphica, and CiteSpace software were used to create network maps of countries, institutions, authors, and keywords, exploring research hotspots and development trends in this field.Results:A total of 475 relevant articles were included, showing an overall upward trend in annual publication volume. The United States had the highest publication volume (173 articles), with the most influential author and the institution with the highest publication volume being Sin and the University of Washington, respectively. Current research hotspots included chronic diseases, mental health, and social support, while future research trends focus on in-depth studies, artificial intelligence, and enhancing network information security.Conclusions:Research on the application of mobile health technology among family caregivers is on the rise, mainly focusing on assisting caregivers in managing chronic diseases, improving their mental health, and enhancing their social support. Future research frontiers may include optimizing and refining digital health technologies, using artificial intelligence to predict and alleviate caregiver burden, and enhancing industry regulation and data security.
7.To explore the Understanding of the Etiology and Pathogenesis of Dementia in Zhu Bing Yuan Hou Lun
Xiaoyue ZHAO ; Jing JIANG ; Zidong WANG ; Yang FANG ; Ruxia YU ; Guoqing WU ; Qiucheng WANG ; Yue WANG ; ZhiGang LI
World Science and Technology-Modernization of Traditional Chinese Medicine 2024;26(12):3034-3039
In this study,we used the Yuan publication Chao Shi Zhu Bing Yuan Hou Lun Zong Lun as the base text,used Zhu Bing Yuan Hou Lun Jiao Zhu edited by Ding Guangdi as the proofreading text,and used"forgetfulness"as the search words.We explored the contents of Zhu Bing Yuan Hou Lun related to the core symptom of dementia-forgetfulness,and analyzed the etiology and mechanism of the disease.After analyzing,Zhu Bing Yuan Hou Lun believes that forgetfulness is mostly caused by emotional changes,internal obstruction of blood stasis,loss of internal organs,deficiency of essence,qi and blood,loss of nourishment of the brain marrow,special diseases such as foot fungus disease,blindly taking cold food,leprosy that has not been treated for a long time,and cumulative disease,etc.This indicates that after more than a thousand years of development,the academic thinking of Zhu Bing Yuan Hou Lun is still of certain guiding significance for the prevention and treatment of dementia in today's clinic,and it further enriches and improves the theoretical understanding of Chinese medicine on dementia,and provides a solid theoretical foundation and new ideas for the prevention and treatment of dementia.
8.To explore the Understanding of the Etiology and Pathogenesis of Dementia in Zhu Bing Yuan Hou Lun
Xiaoyue ZHAO ; Jing JIANG ; Zidong WANG ; Yang FANG ; Ruxia YU ; Guoqing WU ; Qiucheng WANG ; Yue WANG ; ZhiGang LI
World Science and Technology-Modernization of Traditional Chinese Medicine 2024;26(12):3034-3039
In this study,we used the Yuan publication Chao Shi Zhu Bing Yuan Hou Lun Zong Lun as the base text,used Zhu Bing Yuan Hou Lun Jiao Zhu edited by Ding Guangdi as the proofreading text,and used"forgetfulness"as the search words.We explored the contents of Zhu Bing Yuan Hou Lun related to the core symptom of dementia-forgetfulness,and analyzed the etiology and mechanism of the disease.After analyzing,Zhu Bing Yuan Hou Lun believes that forgetfulness is mostly caused by emotional changes,internal obstruction of blood stasis,loss of internal organs,deficiency of essence,qi and blood,loss of nourishment of the brain marrow,special diseases such as foot fungus disease,blindly taking cold food,leprosy that has not been treated for a long time,and cumulative disease,etc.This indicates that after more than a thousand years of development,the academic thinking of Zhu Bing Yuan Hou Lun is still of certain guiding significance for the prevention and treatment of dementia in today's clinic,and it further enriches and improves the theoretical understanding of Chinese medicine on dementia,and provides a solid theoretical foundation and new ideas for the prevention and treatment of dementia.
9.Liver transplantation for treatment of hilar cholangiocarcinoma with a report of three Cases
Xinghua HUANG ; Yi JIANG ; Huanzhang HU ; Fang YANG ; Qiucheng CAI ; Jianyong LIU ; Huaxiang WANG ; Aiping WU
International Journal of Surgery 2018;45(6):382-386
Objective To investigate the feasibility of liver transplantation in the treatment of inoperable hilar cholangiocarcinoma. Methods The clinical data for 3 patients with unresectable hilar cholangiocarcinoma who underwent liver transplantation in the Department of Hepatobiliary Surgery of Fuzhou General Hospital of People's Liberation Army from January 2006 to December 2012 were retrospectively analyzed. The patients were followed up by phone, outpatient service, and hospitalization. The starting point of the follow-up was the operation date. The patients death was the end point. The clinical and pathological features, postoperative survival, tumor recurrence, and prognostic factors were observed. The follow-up deadline was December 2017. Results All 3 patients underwent classical orthotopic liver transplantation using retrograde perfusion through inferior vena cava and no perioperative deaths occurred. All 3 patients were followed up for 10 to 132 months. During the follow-up period, of 1 patient who died of tumor recurrence, the pathological TNM stage was T4a N1 M0, and both had Union for International Cancer Control stage Ⅳa, and the tumor-free survival time was 3 months, and the survival time was12 months. Of 1 patient who died of other causes, the pathological TNM stage was T3N1 M0, and both had Union for International Cancer Control stage Ⅲ, and the tumor-free survival time was 12 months, and the survival time was12 months. One case as of the end of follow-up, the patient has survived for 132 months, the pathological TNM staging was T2a NOM0, and both had Union for International Cancer Control stage Ⅱ. Conclusions Lymph node positive and high pathological TNM stage were poor prognosis factor for hilar cholangiocarcinoma who underwent liver transplantation. Patients with early hilar cholangiocarcinoma who don't have lymph node metastasis are expected to benefit from liver transplantation.
10. Elevated Fas expression is related to increased apoptosis of circulating CD8+T cell in patients with hepatocellular carcinoma
Cunli GUO ; Yumei BI ; Zhao LIU ; Yi XU ; Yixin SUN ; Qiucheng WANG
Chinese Journal of Hepatology 2018;26(2):125-129
Objective:
To investigate the mechanism of apoptosis of CD8+T lymphocyte in peripheral blood of patients with hepatocellular carcinoma (HCC).
Methods:
The proportion and apoptosis of peripheral blood CD8+T lymphocytes in 30 healthy controls, 30 patients with cirrhosis and 60 HCC patients were detected by Flow cytometry, and the expression of Fas on the surface of CD8+T lymphocytes was reported. The differences between groups were compared using independent sample

Result Analysis
Print
Save
E-mail