1.Expression of SLC7A11 in esophageal squamous cell carcinoma tissues and its preliminary study on mediating tumor cell metabolism
Huakun ZHANG ; Mengfei SUN ; Qi SUN ; Ziru ZHOU ; Jie YU ; Yunzhao CHEN ; Xiaobin CUI
Acta Universitatis Medicinalis Anhui 2026;61(2):270-276
ObjectiveTo investigate the relationship between solute carrier family 7 member 11 (SLC7A11) expression in esophageal squamous cell carcinoma (ESCC) and clinical prognosis, and to determine its effects on ESCC cell growth, migration, and other biological activities. MethodsSLC7A11 protein expression was measured in 310 ESCC tissues and 259 adjacent normal tissues using immunohistochemistry to statistically assess the association of SLC7A11 with clinicopathologic characteristics and prognosis in ESCC patients. The expression of SLC7A11 in ESCC cell lines was suppressed through siRNA-mediated knockdown. The specific effects of SLC7A11 knockdown on proliferation and migration were evaluated using CCK-8, clonogenic assay, and Transwell assays. Adenosine triphosphate (ATP), lactic acid and pyruvate assays were used to measure ESCC metabolism. ResultsSLC7A11 protein expression was localized predominantly in the cytoplasm of ESCC tissues. Significantly higher SLC7A11 expression levels were observed in ESCC tissues compared to adjacent normal tissues (P<0.001). High SLC7A11 expression was associated with poorer differentiation in patients (P<0.01). Kaplan-Meier survival analysis demonstrated significantly shorter overall survival in patients with high SLC7A11 expression compared to those with low expression (P<0.05). CCK-8 and colony formation assays demonstrated that the knockdown of SLC7A11 expression significantly suppressed the proliferative capacity of tumor cells (P<0.001). Furthermore, Transwell assays revealed a marked decline in tumor cell migration capacity following SLC7A11 suppression (P<0.001). Critically, SLC7A11 knockdown also reduced intracellular levels of ATP, lactate, and pyruvate, demonstrating that SLC7A11 modulated metabolic activity in ESCC cells(P<0.001). ConclusionThe expression level of SLC7A11 is relatively high in ESCC and is strongly associated with poor prognosis. Silencing SLC7A11 significantly inhibits esophageal cancer cell growth and migration. SLC7A11 has the ability to regulate glucose, lactic acid and ATP metabolism levels in ESCC, thereby affecting the metabolic microenvironment of ESCC.
2.Effect of Microorganisms on The Spoilage of Donkey Hides From Different Regions
Meng ZHANG ; Qiu-Mei LI ; Jia-Wei KANG ; Jie YU ; Xia LI ; Yue YU
Progress in Biochemistry and Biophysics 2026;53(3):754-766
ObjectiveDonkey hide is the sole legally designated raw material for the preparation of the traditional Chinese medicine Ejiao. The quality stability of donkey hide during preservation directly determines the efficacy and safety of Ejiao. This study focuses on the dynamic succession of microbial communities during the preservation of donkey hides from different origins, aiming to clarify the correlation between microbial biodiversity difference and the degradation profiles of hide collagen and critical biochemical components, thereby providing a theoretical foundation for developing targeted preservation strategies based on microbial regulation. MethodsDonkey hides originating from four different regions were subjected to an accelerated microbial aging assay to simulate the spoilage process. The microbial community succession was analyzed using high-throughput sequencing. Microstructure changes and pore structure characteristics were assessed by scanning electron microscopy and mercury intrusion porosimetry, respectively. Additionally, the content of major components, including lipids, proteins, and sugars were determined by biochemical methods. ResultsAfter 96 h of aging, the collagen fiber structure in Africa donkey hides (ADH) exhibited significant degradation and collapse, followed by Xinjiang donkey hides (XDH). Instead, the microstructure of Dong’e black donkey hides (DDH) and Peru donkey hides (PDH) remained relatively intact. The porosities of DDH, XDH, PDH, and ADH increased from 27.9%, 15.7%, 30.3%, and 46.2% to 36.5%, 52.6%, 42.8%, and 57.7%, respectively, during the aging process, which suggested that the originally compact fiber structure was disrupted by microbial aging. Fourier transform infrared spectrometer analysis revealed the amide bands in XDH exhibited relatively weak intensity, and no collagen amide I band was observed in ADH. Meanwhile, the lipid and protein contents decreased in all four types of donkey hides, indicating that these components served as the primary nutrient sources for the growth of microorganism. Notably, the most severe collagen degradation was observed in XDH and ADH. A substantial increase was detected in the total soluble sugar in PDH aging solution and hydroxyproline in the ADH aging solution, respectively. These results indicated that donkey hides exhibit distinct patterns of structural degradation and nutrient utilization. Furthermore, the viable cells number of donkey hides increased sharply after 48 h of aging. Metagenomic analysis revealed that the relative abundance of Euryarchaeota in ADH, PDH and XDH declining from initial 93.19%, 97.73% and 30.08% to 0.79%, 1.43% and 0.02% after 96 h, respectively. Conversely, a significantly increase was observed in the abundance of Bacillota, with a marked increase in ADH, peaking at 92.75%. Additionally, the abundance of Pseudomonadota in PDH increased from 0.10% to 87.84%, suggesting that Bacillota and Pseudomonadota may be key factors exacerbating donkey hide spoilage. Unlike the other three types of donkey hides, the dominant bacterial phylum in DDH shifted from Pseudomonadota to Bacteroidota, characterized by a substantial abundance increase of Bacteroidota from 0.13% to 44.22%. ConclusionRegional variation in origin significantly influence the microbial aging of donkey hides, leading to distinct patterns of structural deterioration and differential nutrient utilization. Therefore, implementing origin-specific preservation strategies, through the precisely controlling environmental factors to suppress harmful phyla such as Bacillota and Pseudomonadota, is crucial for enhancing the storage quality of donkey hides.
3.Dynamic Interactions Between Hemispheres Reveal a Compensatory Pathway for Motor Recovery in Moderate-to-Severe Subcortical Stroke
Huaxin FAN ; Hewei WANG ; Zhengxu LIAN ; Qiurong YU ; Xinran WU ; Nanyu KUANG ; Benjamin BECKER ; Jianfeng FENG ; Mingxia FAN ; Lili SONG ; Limin SUN ; Jie ZHANG ; Craig S. ANDERSON
Journal of Stroke 2026;28(1):97-114
Background:
and Purpose Therapeutic target selection in noninvasive brain stimulation for poststroke motor recovery typically relies on the interhemispheric inhibition model, which is effective for mildly affected patients but offers limited benefits for severely affected individuals. The mechanisms governing recovery from moderate-to-severe stroke remain poorly understood, which hinders the development of targeted interventions.
Methods:
We analyzed resting-state functional magnetic resonance imaging data from patients with unilateral subcortical stroke and moderate-to-severe upper limb deficits, both pre- and postintervention, along with data from healthy controls. We developed a novel dynamic lag analysis method for identifying recovery-related homotopic sensorimotor regions with altered interhemispheric interactions. To further uncover the global reorganization pathway, we developed dynamic lateralization approaches to detect large-scale functional connectivity (FC) alterations associated with the identified regions in transient lateralization states.
Results:
Dynamic time-lag analysis revealed significantly reduced synchronized states in the homotopic dorsal premotor cortex (PMd) post-intervention compared with pre-intervention, which correlated with motor recovery. Further dynamic lateralization analysis revealed a prolonged segregation state in patients, characterized by weakened interhemispheric and strengthened intrahemispheric interactions. In this state, patients showed decreased FC in the ipsilesional PMd and increased FC in the contralesional PMd with bilateral subcortical networks. These recoveryrelated alterations were absent in the traditional static analysis.
Conclusions
Dynamic analyses targeting interhemispheric interactions are valuable for understanding neural reorganization after stroke. The diminished interactions between the homotopic PMd indicate a compensatory mechanism. Importantly, a state-dependent compensatory pathway was identified, wherein the contralesional PMd assumes the functions of the ipsilesional PMd through enhanced interactions with subcortical structures, potentially guiding more effective interventions.
4.Evaluation of the Angle Deviation between Pilot Holes and Actual Implanted Pedicle Screw Trajectories in Freehand Pedicle Screw Placement for Thoracolumbar Spine Surgery: The Impact of Tapping and Work Experience
Jie SHAO ; Shaokang HUANG ; Yiping LUO ; Bingkun MENG ; Qunfei YU ; Yi ZHANG ; Wei LI ; Yushu BAI ; Ziqiang CHEN
Clinics in Orthopedic Surgery 2026;18(1):87-95
Background:
To investigate directional deviations between pilot holes and final pedicle screw trajectories in freehand placement and analyze risk factors for misplacement. While pedicle screws are widely used in thoracolumbosacral surgery, directional deviations between pilot holes and final screw trajectories remain understudied as potential risk factors for misplacement.
Methods:
Thirty-three patients undergoing posterior fixation were prospectively enrolled. Inertial measurement units (IMUs) tracked the spatial positions of pedicle finders and screwdrivers via custom software. Surgeons (n = 6) were stratified into senior, middle, and junior groups. Analyzed variables included the use of tapping, surgeon experience, spinal deformity status, screw tip morphology, and surgical parameters.
Results:
Among 198 implanted screws (6.00 ± 2.88/patient), all exhibited trajectory deviations (8.12° ± 3.47°). Tapping significantly reduced deviations (7.23° ± 3.23° vs. 8.87° ± 3.31°, p < 0.01). Senior surgeons achieved smaller deviations (7.34° ± 3.33°) than the middle group (8.60° ± 3.51°, p = 0.039) and junior group (8.68° ± 3.49°, p = 0.022). Multivariate analysis confirmed tapping (p = 0.001) and senior experience (p = 0.023) as protective factors. No significant associations emerged for spinal deformity (8.43° ± 3.73° vs. 7.97° ± 3.35°, p = 0.377), screw tip type (cylindrical, 8.43° ± 3.26° vs. tapered, 8.07 ± 3.51°; p = 0.637), obesity, or surgical position parameters.
Conclusions
Freehand pedicle screw placement consistently produces trajectory deviations from pilot holes, and surgeon experience and tapping are modifiable protective factors. The IMU-based tracking system enables quantitative surgical motion analysis, suggesting its utility for training optimization and technique standardization.
5.Discriminating Tumor Deposits From Metastatic Lymph Nodes in Rectal Cancer: A Pilot Study Utilizing Dynamic Contrast-Enhanced MRI
Xue-han WU ; Yu-tao QUE ; Xin-yue YANG ; Zi-qiang WEN ; Yu-ru MA ; Zhi-wen ZHANG ; Quan-meng LIU ; Wen-jie FAN ; Li DING ; Yue-jiao LANG ; Yun-zhu WU ; Jian-peng YUAN ; Shen-ping YU ; Yi-yan LIU ; Yan CHEN
Korean Journal of Radiology 2025;26(5):400-410
Objective:
To evaluate the feasibility of dynamic contrast-enhanced MRI (DCE-MRI) in differentiating tumor deposits (TDs) from metastatic lymph nodes (MLNs) in rectal cancer.
Materials and Methods:
A retrospective analysis was conducted on 70 patients with rectal cancer, including 168 lesions (70 TDs and 98 MLNs confirmed by histopathology), who underwent pretreatment MRI and subsequent surgery between March 2019 and December 2022. The morphological characteristics of TDs and MLNs, along with quantitative parameters derived from DCE-MRI (K trans , kep, and v e) and DWI (ADCmin, ADCmax, and ADCmean), were analyzed and compared between the two groups.Multivariable binary logistic regression and receiver operating characteristic (ROC) curve analyses were performed to assess the diagnostic performance of significant individual quantitative parameters and combined parameters in distinguishing TDs from MLNs.
Results:
All morphological features, including size, shape, border, and signal intensity, as well as all DCE-MRI parameters showed significant differences between TDs and MLNs (all P < 0.05). However, ADC values did not demonstrate significant differences (all P > 0.05). Among the single quantitative parameters, v e had the highest diagnostic accuracy, with an area under the ROC curve (AUC) of 0.772 for distinguishing TDs from MLNs. A multivariable logistic regression model incorporating short axis, border, v e, and ADC mean improved diagnostic performance, achieving an AUC of 0.833 (P = 0.027).
Conclusion
The combination of morphological features, DCE-MRI parameters, and ADC values can effectively aid in the preoperative differentiation of TDs from MLNs in rectal cancer.
6.Effects of lacosamide combined with ketogenic diet on neuroinjury markers and cognitive function in children with epilepsy
Na ZHAO ; Zhen ZHANG ; Li ZHAO ; Jie YU ; Yanhong SUN
Journal of Clinical Medicine in Practice 2025;29(16):68-72
Objective To investigate the efficacy of lacosamide combined with ketogenic diet in the treatment of pediatric epilepsy and its impacts on the levels of serum glial fibrillary acidic protein(GFAP)and specific protein of the central nervous system(S-100β).Methods A total of 64 chil-dren with epilepsy from July 2022 to April 2024 were selected and randomly divided into conventional group(n=32)receiving oral lacosamide tablets and combined group(n=32)receiving ketogenic di-et therapy based on the conventional group.The efficacy,cognitive function,and intelligence of chil-dren in both groups after treatment,as well as the levels of serum GFAP and S-100β,the frequency of seizures,and electroencephalogram(EEG)findings before and after treatment were evaluated.Results After treatment,the number of alpha waves,the Full-scale Intelligence Quotient(FIQ)of the Wechsler Intelligence Scale for Children,and the Montreal Cognitive Assessment(MoCA)scores increased in both groups,with a greater increase in the combined group compared to the conventional group,and the differences were statistically significant(P<0.05).The levels of serum S-100β and GFAP,the frequency of seizures,and the number of cases with slow waves and epileptiform waves decreased after treatmen,and these indicators were lower in the combined group than in the conventional group,with sta-tistically significant differences(P<0.05).The total effective rate was 90.63%in the combined group and 68.75%in the conventional group,with a statistically significant difference(P<0.05).The incidence of adverse reactions was 12.50%in the combined group and 9.38%in the conventional group,with no statistically significant difference(P>0.05).Conclusion Lacosamide combined with ketogenic diet shows good efficacy in the treatment of pediatric epilepsy,and the combined therapy improves neurological function by synergistically reducing the levels of GFAP/S-100β.
7.Application and data analysis of the cardio-cerebrovascular events monitoring system in Yichang
Zhengchao FANG ; Jiajuan YANG ; Chi HU ; Chan WU ; Yaling DENG ; Zhiying YU ; Jie ZHU ; Ling ZHANG
Journal of Public Health and Preventive Medicine 2025;36(6):95-98
Objective To analyze the monitoring data of cardio-cerebrovascular diseases prevention and control system in Yichang in 2022, and to provide data support and experience for the precise prevention and treatment of cardio-cerebrovascular diseases. Methods Acute cardiovascular and cerebrovascular event data were collected from the Yichang Cardio-cerebrovascular Events Monitoring System from January 1, 2022 to December 31, 2022. Descriptive analysis was conducted for the data collected. Statistical analysis was performed using SPSS 20.0 software, and a chi-square test was used to analyze the count data. Results A total of 37,217 cases of cardio-cerebrovascular events were monitored in Yichang in 2022. The crude incidence and the standardized incidence were 983.84/100,000 and 541.55/100,000, respectively. The incidence in males was higher than females (554.93/100,000 vs 428.91/100,000,χ2 =464.52,P<0.05). The top three diseases were cerebral infarction, acute myocardial infarction, and cerebral hemorrhage. The incidence of events increased with age, and 79.80% of the cases were over 60 years old. The main onset time was from May to August. Conclusion The use of the cardio-cerebrovascular events monitoring system in Yichang and the implementation of “mandatory reporting card” monitoring can timely obtain the epidemic characteristics of the diseases, provide support for the precise formulation of prevention and control strategies and measures, reduce underreporting rates, and improve the monitoring system, which is worthy of reference and promotion.
8.Screening of soil biocontrol bacteria and evaluation of their control effects on Fusarium head blight of wheat.
Dongfang WANG ; Xinxin ZHAI ; Chunlin YANG ; Huilan ZHANG ; Jie WU ; Zerong SONG ; Pan ZHAO ; Yu CHI
Chinese Journal of Biotechnology 2025;41(10):3764-3773
Fusarium head blight (FHB), caused by Fusarium graminearum, not only leads to severe yield losses but also poses a threat to food safety due to the mycotoxins produced by the pathogen. Since this disease is preventable but not curable, the current control mainly relies on chemical fungicides, the long-term use of which may lead to pathogen resistance and environmental pollution. To develop green control methods, we screened 13 biocontrol strains from the rhizosphere soil of wheat, among which strain No. 12 (identified as Pythium aphanidermatum) showed significant antifungal effects. In the plate confrontation test, this strain reduced the colony diameter of the pathogen by 69.2% (1.47 mm vs. 4.78 mm in the control group), with an inhibition rate of 77% (P < 0.01). Microscopic observation revealed obvious deformations in the pathogen hyphae, suggesting a lysing effect. The coleoptile experiment further confirmed that the pre-treatment with this strain reduced the incidence rate to 0. These findings provide new candidate strains for the biocontrol of FHB and offer a scientific basis for reducing the use of chemical fungicides and promoting sustainable agricultural development.
Triticum/growth & development*
;
Fusarium/growth & development*
;
Plant Diseases/prevention & control*
;
Soil Microbiology
;
Pest Control, Biological/methods*
;
Pythium/physiology*
;
Biological Control Agents
;
Rhizosphere
;
Fungicides, Industrial
9.Role of TXNIP in lipid deposition of placental trophoblast in gestational diabetes mellitus
Jie YANG ; Jianchao JIA ; Ying ZHANG ; Rina SA ; Dongfang LI ; Zhiying LI ; Na HUANG ; Lan YU
Chinese Journal of Clinical and Experimental Pathology 2025;41(4):483-490
Purpose To investigate the expression of thioredoxin-interacting protein(TXNIP)in placental tissues of gestational diabetes mellitus(GDM)and its role in lipid deposition in the placental trophoblast.Methods The pla-centa tissues of 16 GDM pregnant women and 25 women with normal glucose tolerance(NGT)were collected.Mean-while,in vitro models of high-glucose induced human chorionic trophoblast cells(HTR-8/SVneo)were established,which were divided into normal glucose control group(NG),high glucose group(HG),high glucose+si nonsense in-terference group(HG+siNC)and high glucose+TXNIP siRNA group(HG+siTXNIP).The pathological structure and morphological changes of placenta were observed by HE staining.Lipid droplet formation was detected by oil red O staining.The expression and localization of TXNIP in cells were detected by immunocytochemical EnVision method.The mRNA and protein expression levels of TXNIP and lipogenic protein SREBP1 were detected by real-time fluorescent quantitative PCR and Western blot.The relationships between TXNIP expression and lipid droplet accumulation in-duced by high glucose was analyzed.Results High glucose results in abnormal placental structure of GDM.The area of human chorionic intervillous tissue in placenta of GDM group was decreased,the size of fetal capillaries was different and the lumen was dilated.Compared with those NGT group,the accumulation of lipid droplets and the expression of TXNIP mRNA and protein in placental tissue of GDM were increased(P<0.05).The TXNIP and SREBP1 were up-regulated and the formation of droplets increased in high glucose induced HTR-8/SVneo cells(P<0.05).On the con-trary,TXNIP siRNA transfection reversed the gene expression level and lipid deposition in high glucose induced cells(P<0.05).Conclusion TXNIP is involved in abnormal lipid deposition in the placental trophoblast of GDM.
10.Mendelian randomization reveals the effect of plasma lipidomics on pan-creatitis
Qi-rong JIANG ; Zhe-yu NIU ; Fa-ji YANG ; Yi-jie HAO ; Shi-zhe ZHANG ; Jun LU
Chinese Journal of Current Advances in General Surgery 2025;28(6):436-443
Objective:To investigate the causal effects of plasma lipidomics on pancreatitis using Mendelian ran-domization(MR)and evaluate the roles of intra-pancreatic fat deposition(IPFD)and gallstone disease in this relation-ship.Methods:A bidirectional MR analysis was conducted,with 179 plasma lipids as exposures and acute pancreati-tis(AP)and chronic pancreatitis(CP)as outcomes.Data were sourced from genome-wide association studies(GWAS),the UK Biobank,and the FinnGen project.Two-step Mendelian randomization(TSMR)and multivariable Mendelian ran-domization(MVMR)analyses were applied to assess the mediating roles of IPFD and gallstone disease in the associa-tion between plasma lipids and pancreatitis.Results:MR analysis identified two sterols negatively associated with AP(P<0.05)and seven sterols negatively associated with CP(P<0.05).One phospholipid showed a positive association with CP(P<0.05).IPFD was positively associated with both AP and CP.Gallstone disease was confirmed as a risk fac-tor for AP.However,TSMR analysis indicated that neither IPFD nor gallstone disease mediated the relationship be-tween plasma lipids and pancreatitis.Conclusion:The causal relationship exists among plasma lipomics and AP/CP,also between IPFD,cholelithiasis and pancreatitis.These findings highlight novel risk factors and potential biomarkers to support early diagnosis and intervention for pancreatitis.


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