1.Advances in Nanoparticle-Assisted Ultrasound Therapy for Remodeling Immune Microenvironment in Triple-Negative Breast Cancer
Dian ZHANG ; Ning WANG ; Xingchun GAO ; Lik Voon KIEW
Cancer Research on Prevention and Treatment 2026;53(7):556-560
Nanoparticle-assisted ultrasound therapy (NAUT) employs low-frequency ultrasound to in situ activate gold nanoparticles, generating cavitation- and sonodynamic-derived reactive oxygen species that elicit immunogenic cell death and convert the immunologically “cold” triple-negative breast cancer (TNBC) microenvironment into a “hot” phenotype. Benefiting from its physical targeting precision, minimal invasiveness, and potent immuno-sensitization, NAUT surpasses conventional chemotherapy or single-agent immune checkpoint inhibitors in overcoming TNBC heterogeneity and eradicating minimal residual disease. In this review, the mechanistic advances of NAUT are summarized, the design of smart nanoplatforms is highlighted, its synergistic efficacy with immune checkpoint inhibitors is evaluated, and the clinical potential and challenges of NAUT in eradicating minimal residual disease are discussed. This review offers a new paradigm for precision physical-immunotherapy of TNBC.
2.Tubeimoside I promoted Snail ubiquitination degradation and inhibited the malignant progression of PANC-1 pancreatic cancer cells
Lixue FENG ; Chunyun ZHANG ; Zeyan LI ; Huiqi YIN ; Yingning SUN ; Dian-hui LIU ; Baogang YU ; He LIU ; Qingzhu YANG
Chinese Journal of Pathophysiology 2025;41(10):1955-1962
AIM:This study aims to investigate the molecular mechanism by which tubeimoside I(TBMS1)inhibits Snail expression in pancreatic cancer cells(PANC-1).METHODS:Human pancreatic cancer PANC-1 cells were cultured in vitro.The inhibitory effect of TBMS1 on PANC-1 cells was assessed using the MTT assay,and the data were analyzed based on the IC50 value of TBMS1.The impact of TBMS1 on the clonal formation ability of PANC-1 cells was evaluated through colony formation assays.The Transwell assay was employed to assess the effect of TBMS1 on the migrato-ry capability of PANC-1 cells.Apoptosis and cell cycle alterations in PANC-1 cells were analyzed using acridine orange staining and flow cytometry.The expression of Snail protein in pancreatic cancer and its relationship with survival of the patients were analyzed using the GEPIA database and Kaplan-Meier Plotter data.Immunofluorescence staining was con-ducted to investigate the effect of TBMS1 on Snail expression,while Western blot was used to evaluate the expression of poly(ADP-ribose)polymerase(PARP),E-cadherin and Snail in the cells.The ubiquitination of Snail protein was mea-sured using immunoprecipitation techniques.RESULTS:As the concentration of TBMS1 increased,the survival rate and number of clones formed by PANC-1 cells progressively decreased,leading to apoptosis,cleavage of PARP,and cell cycle arrest in the G1 phase.There was also a reduction in the proportion of cells in the S phase and a decrease in cell migration ability.The expression of Snail protein,a critical factor in cell migration,was inhibited,while E-cadherin protein levels were increased.Treatment with the proteasome inhibitor MG132 was able to reverse the suppression of Snail protein ex-pression caused by TBMS1.Immunoprecipitation results indicated that TBMS1 enhances the ubiquitination and subse-quent degradation of Snail protein.CONCLUSION:TBMS1 effectively inhibits the malignant progression of pancreatic cancer cells by promoting the ubiquitination and degradation of Snail protein in PANC-1 cells.
3.Temporomandibular joint capsule suspension for neocondyle stability in free fibular flap reconstruction of the mandibular condyle
Shuang BAI ; Yao YU ; Wen-Bo ZHANG ; Ya-Qing MAO ; Yang WANG ; Chi MAO ; Dian-Can WANG ; Xin PENG
Journal of the Korean Association of Oral and Maxillofacial Surgeons 2025;51(1):46-53
Objectives:
This study evaluates the efficacy of a new temporomandibular joint (TMJ) capsule suspension technique for stabilizing the TMJ after free fibular flap reconstruction of the mandibular condyle.
Patients and Methods:
Patients undergoing the TMJ capsule suspension technique during free fibular flap reconstruction after mandibulectomy with condylectomy (study group; n=9) were compared with a control group (n=9). Mandibular movement trajectory and surface electromyographic signals of bilateral masseters were recorded. The neocondyle–disc relationship was examined with magnetic resonance imaging (MRI) at 6 months after surgery.
Results:
Maximal mouth opening and bilateral marginal movement distances were comparable between the two groups (P>0.05). The asymmetry index of the condyle path length was significantly higher in controls (P=0.02). Bilateral mouth opening trajectories were symmetric in 7 patients and deviated to the affected side in 2 patients in the study group; they deviated to the affected side in all controls. The mean electromyographic values of the masseter on the affected side in resting, maximum bite, and chewing states were comparable between the two groups (P=0.13, P=0.65, and P=0.82, respectively). On MRI at 6 months, the thicknesses of the anterior, medial, and posterior bands and TMJ disc length were similar on the affected and normal sides in the study group (P=0.57, P=0.13, P=0.48, and P=0.87, respectively).
Conclusion
The proposed TMJ capsule suspension technique could improve postoperative TMJ structure and function after fibular free flap reconstruction following mandibulectomy with condylectomy.
4.Design and practice of three-dimensional teaching mode for Medical Immunology
Pengtao JIANG ; Zhifang HU ; Minghua LYU ; Ning WANG ; Xingchun GAO ; Ailian LI ; Dian ZHANG ; Fengliang JIANG ; Na GUO
Chinese Journal of Immunology 2025;41(5):1223-1227
In order to adapt to teaching reform of Medical Immunology and create a"golden course",through teaching prac-tice,our research group proposes a"three-dimensional curriculum teaching system",which organically combines teaching concepts with teaching design and process,with construction of various resources(material libraries),and finally,multi-level teaching evalua-tion is completed to achieve overall unity of teaching.
5.An Exploration of Healthcare Providers' Point Rush Behavior and its Potential Risks under the DRG Points Approach
Yu ZHANG ; Dian ZHOU ; Di TIAN
Chinese Hospital Management 2025;45(1):6-10
With the widespread implementation of the DRG point method in China,how to deal with the potential risks brought by the punching behavior of medical institutions under the point method is a real problem that needs to be solved.It explains the special characteristics of uncertainty in the distribution of health insurance fund under the DRG point method,and explores the possibility,feasibility and proliferation of the point flushing behavior of medical institutions under the DRG point method at the theoretical level based on the rational economic man perspective,the principal generation theory and the cohort effect.In response to the theoretical model,game theory is used to further construct a model of point-shuffling behavior of medical institutions under the DRG point method,and analyze the reasons for point-shuffling behavior and its potential risks.It is suggested that the potential risks of point-shaving can be prevented by strengthening the communication and cooperation between medical institutions under the medical association and hierarchical diagnosis and treatment system,and by implementing the monitoring mechanism of medical insurance government departments on medical institutions.
6.Design and practice of three-dimensional teaching mode for Medical Immunology
Pengtao JIANG ; Zhifang HU ; Minghua LYU ; Ning WANG ; Xingchun GAO ; Ailian LI ; Dian ZHANG ; Fengliang JIANG ; Na GUO
Chinese Journal of Immunology 2025;41(5):1223-1227
In order to adapt to teaching reform of Medical Immunology and create a"golden course",through teaching prac-tice,our research group proposes a"three-dimensional curriculum teaching system",which organically combines teaching concepts with teaching design and process,with construction of various resources(material libraries),and finally,multi-level teaching evalua-tion is completed to achieve overall unity of teaching.
7.Pharmaceutical considerations on novel pharmaceutical preparations in China encourage generic drug catalogue(first to third batches)
Xiao-fei SI ; Gui-xia SUN ; Bao-mei ZHANG ; Tian-xing DAI ; Yan-xiu GE ; Dian-zhuo JIANG
The Chinese Journal of Clinical Pharmacology 2025;41(1):143-148
To meet the domestic clinical demand timely,the national health commission has released three batches of encourage generic drug catalogues,which plays a good guiding role in improving the supply level and accessibility of generic drugs.Based on literature investigation,the typical cases of novel pharmaceutical preparations were analyzed,and the pharmaceutical considerations were put forward in terms formulation,manufacturing process and quality control,aimed to provide scientific reference for research and development of such drugs.
8.An Exploration of Healthcare Providers' Point Rush Behavior and its Potential Risks under the DRG Points Approach
Yu ZHANG ; Dian ZHOU ; Di TIAN
Chinese Hospital Management 2025;45(1):6-10
With the widespread implementation of the DRG point method in China,how to deal with the potential risks brought by the punching behavior of medical institutions under the point method is a real problem that needs to be solved.It explains the special characteristics of uncertainty in the distribution of health insurance fund under the DRG point method,and explores the possibility,feasibility and proliferation of the point flushing behavior of medical institutions under the DRG point method at the theoretical level based on the rational economic man perspective,the principal generation theory and the cohort effect.In response to the theoretical model,game theory is used to further construct a model of point-shuffling behavior of medical institutions under the DRG point method,and analyze the reasons for point-shuffling behavior and its potential risks.It is suggested that the potential risks of point-shaving can be prevented by strengthening the communication and cooperation between medical institutions under the medical association and hierarchical diagnosis and treatment system,and by implementing the monitoring mechanism of medical insurance government departments on medical institutions.
9.Treatment of allergic rhinitis based on the theory of"spleen and stomach deficiency and excess transformation"
Yuechun ZHAO ; Hong GUO ; Dian CHEN ; Wanying XIA ; Jingya HUANG ; Lu ZHANG
Journal of Beijing University of Traditional Chinese Medicine 2025;48(6):827-832
The theory of"spleen and stomach deficiency and excess transformation"originates from Huangdi Neijing,which is based on the five elements theory.It systematically elucidates the physiological interconnections and pathological transmission relationships among spleen,stomach,and the five zang and six fu viscera.This theory was continuously developed and refined by later physicians.It was first systematically summarized and deepened by LI Dongyuan in his work Piwei Lun,which elaborates on the pathological transmission relationships of other zang-fu viscera after spleen and stomach deficiency.From the perspective of LI Dongyuan's theory of"spleen and stomach deficiency and excess transformation",this paper discusses the pathological relationships between spleen-earth,lung-metal,and kidney-water,and proposes that spleen-earth deficiency is the pathological basis for the onset of allergic rhinitis.Based on the pathological evolution following spleen-earth deficiency,the traditional Chinese medicine syndromes of allergic rhinitis were categorized into three types:earth deficiency with metal weakness,earth dryness with metal desiccation,and water cold with metal excess and earth decline.The treatment of allergic rhinitis should prioritize the spleen-earth,employing acrid and dispersing herbs with light properties to elevate the spleen,sweet-warm and sour-astringent herbs to tonify the spleen,and diuretic and dampness-resolving herbs to activate the spleen,thereby restoring spleen-earth function.Simultaneously,treatment should regulate lung-metal and kidney-water according to different pathological evolutions,incorporating cold-cool or acrid-warm herbs as appropriate,combining cold and warm properties,and treating both the manifestation and root cause of the disease.
10.Deep learning image reconstruction algorithm in brain CT perfusion imaging with low tube voltage and reduced contrast agent dosage
Mengyuan ZHANG ; Luotong WANG ; Dian YUAN ; Yicun ZHANG ; Ke QI ; Weiting ZHANG ; Jiong ZHANG ; Songwei YUE ; Jianbo GAO ; Jie LIU
Chinese Journal of Medical Imaging Technology 2025;41(5):799-805
Objective To observe the value of deep learning image reconstruction(DLIR)algorithm in brain CT perfusion(CTP)using a protocol of 70 kVp and 40 ml contrast agent dose.Methods Totally 105 patients with suspected acute ischemic stroke(AIS)were prospectively enrolled and randomly divided into 3 groups,who underwent standard dose CTP scanning with 80 kVp and 150 mA combined with reconstruction as adaptive statistic iterative reconstruction V(ASIR-V)at 50%level(CN group,n=35),low dose(LD)scanning with 70 kVp and 100 mA combined with DLIR reconstruction at the highest level(DLIR-H)(LD group,n=35),or ultra-low dose(ULD)scanning with 70 kVp and 70 mA combined with DLIR-H reconstruction(ULD group,n=35).Radiation doses were compared among 3 groups.CT values and standard deviations(SDCT)of ROI of gray matter and white matter in the frontal,parietal and temporal lobes were measured.Signal-to-noise ratio(SNR)and contrast-to-noise ratio(CNR)between gray and white matter were calculated and compared among groups.Then pseudo-color images of cerebral blood volume(CBV),cerebral blood flow(CBF),mean transit time(MTT)and time to maximum of the tissue residual function(Tmax)were generated.The imaging quality of CTP pseudo-color images was evaluated,and the compatibility of the subjective scores within every kind of CTP pseudo-color images were assessed using Kappa test.Quantitative perfusion parameters were measured and compared among groups.Results Compared with CN group,both LD and ULD groups demonstrated significantly reduced volume CT dose index(CTDIvol),dose-length product(DLP)and effective dose(ED)(all adjusted P<0.05).In ULD group,SDCT of white matter in frontal,parietal and temporal lobes were higher than those in CN group,and SDCT of white matter in parietal lobe was also higher than that in LD group(all adjusted P<0.05).No significant difference of SDCT of gray matter was observed among groups(all P>0.05).SNR of white matter in parietal and temporal lobes in both LD and ULD groups were lower than those in CN group(all P<0.05),while no significant difference of SNR of white matter in frontal lobe,nor of gray matter in frontal,parietal and temporal lobes was found among groups(all P>0.05).CNR of gray and white matter in the frontal,parietal and temporal lobes were not significantly different among groups(all P>0.05).High consistency of inter-observer subjective scores of CBV maps,CBF maps and Tmax maps(Kappa of 0.623,0.644 and 0.638,respectively)were noticed,which of MTT maps had moderate consistency(Kappa=0.560).No significant difference of intra-obsever subjective scores of CTP pseudo-color images was found among groups(all P>0.05).CBV,CBF,MTT and Tmax values of gray and white matter in frontal,parietal and temporal lobes were not significantly different among groups(all P>0.05).Conclusion DLIR algorithm applicated in low radiation dose and reduced contrast agent dosage might ensure imaging quality.

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