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*
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Humans
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Proteasome Endopeptidase Complex/metabolism*
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Nervous System Diseases/metabolism*
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Animals
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Ubiquitin/metabolism*
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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.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.
6.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.
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.Biliary complications and recovery of liver function after liver transplantation from citizen's deceased donors versus standard criteria donors
Huaxiang WANG ; Ruisheng KE ; Yi JIANG ; Fang YANG ; Qiucheng CAI ; Xinghua HUANG ; Jianyong LIU ; Dongmei YE ; Aiping WU
Chinese Journal of Hepatobiliary Surgery 2018;24(7):437-441
Objective To investigate the biliary complications and recovery of liver function after liver transplantation from citizen's deceased donors (DCD) versus standard criteria donors (SCD).Method The clinical data of 269 patients who underwent orthotopic liver transplantation from January 2009 to December 2016 at the Fuzhou General Hospital were collected.197 livers were from SCD and 72 from DCD.Propensity score matching (PSM) was used to compare the biliary complications and recovery of liver function after liver transplantation in the two groups.Results PSM matched 61 pairs of patients.There were 10 (16.4%) and 8 (13.1%) biliary complications in the DCD and the SCD groups,respectively,with no significant difference between them (P > 0.05).The recovery of liver function was significantly delayed in the DCD group when compared with the SCD group.The levels of ALT,AST,GGT and AKP in the DCD group were significant different on the postoperative first,third,fifth,seventh and fourteenth day (P < 0.05).At 30 days after surgery,there was no significant difference in liver function between the two groups.Conclusions Liver grafts from DCD had a significant impact on the recovery of liver function.When compared with the SCD group,the DCD group recovered significantly slower in liver function.There was no significant increase in the incidence of biliary complications.
10.The expression of GHET1 in hepatocellular carcinoma and its effect on prognosis of the patients
Yangping ZHANG ; Ruisheng KE ; Huaxiang WANG ; Qiao DENG ; Qiucheng CAI ; Fang YANG ; Kun ZHANG ; Yi JIANG ; Lizhi LYU
Chinese Journal of Hepatobiliary Surgery 2018;24(10):664-670
Objective To investigate the expression of long-chain non-coding RNA gastric cancer high expression transcription factor 1 (GHET1) in hepatocellular carcinoma (HCC) and the correlation with prognosis,cell proliferation,migration and invasion.Methods 20 HCC patients who underwent surgery from Fuzhou General Hospital of Chinese People's Liberation Army from March to May 2016 were included.The HCC tissue and adjacent normal tissue of 182 patients from June 2012 to December 2013 were retrospectively collected.According to the median value of GHET1 expression,it was divided into GHET1 high expression group and low expression group,91 cases each.Huh7 and HepG2 cells were divided into:blank control group (Con) with serum-free medium,siRNA-GHET1 group transfected with siRNA-GHET1,and negative control group (siRNA-NC) transfected with negative control sequence.The expression of GHET1 was detected by real-time fluorescence quantitative polymerase chain reaction,and the effect of GHET1 on HCC cells was analyzed by CCK-8,Transwell assay and Western blot.Results Compared with adjacent normal tissue,the relative expression of GHET1 mRNA in HCC tissues was significantly increased.Compared with LO2 cells,the mRNA expression of GHET1 in Huh7 and HepG2 cells was higher (P<0.05).The GHET1 high expression group had tumor>5 cm,vascular invasion,AFP>400 μg/L,Edmonson grade Ⅰ,and the tumor-free ratio was lower in the expression group (P<0.05).Survival analysis showed that HCC patients with high GHET1 expression had a poorer prognosis than patients with low expression.Multivariate Cox regression analysis showed that high expressed GHET1,vascular invasion (HR=2.067,95% CI:1.350 to 3.162),and without tumor capsule are independent predictors of recurrence in HCC patients.After transfection with Huh7 and HepG2 cells,the proliferation of siRNA-GHET1 group was significantly decreased comparing with Con and siRNA-NC groups.Compared with siRNA-NC group,the migration and invasion ability of siRNA-GHET1 group decreased,and E-cadherin expression increased.The expression of fibronectin and vimentin decreased,and the difference was statistically significant (P<0.05).Conclusions The expression of GHET1 in HCC tissue is higher comparing with normal tissue,which increases the proliferation,migration and invasion of hepatoma cells.It is an independent predictor of prognosis in HCC patients and a potential target for clinical treatment.

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