OBJECTIVE To investigate the neuroprotective effect and mechanism of eleutheroside B （ELB） on Parkinson’s disease （PD） model mice by regulating the IκB kinase β （IKKβ）/nuclear factor-κB （NF-κB） signaling pathway. METHODS Fifty mice were randomly divided into normal control group， model group， positive control group （selegiline hydrochloride， 10 mg/kg）， and ELB low-dose and high-dose groups （80， 160 mg/kg）， with 10 mice in each group. Each group was given relevant medicine or normal saline intragastrically for 14 consecutive days. Starting from the 10th day of administration， the model group and all administration groups were intraperitoneally injected with 1-methyl-4-phenyl-1，2，3，6-tetrahydropyridine （MPTP） 30 mg/kg， for five consecutive days to establish the chronic PD model. After the last administration for 24 h， six mice were randomly selected from each group to test their behavioral abilities； detect the levels of interleukin-1β （IL-1β）， IL-10， tumor necrosis factor-α （TNF-α） in brain tissue and their mRNA expressions were measured， and positive expression of tyrosine hydroxylase （TH）， protein expressions of TH， α -synuclein （ α -syn）， ionized calcium-binding adaptor molecule 1 （Iba-1）， as well as phosphorylation levels of IKKβ and NF-κB p65 proteins in the brain tissue were detected. The ultrastructure of neurons in substantia nigra was observed. RESULTS Compared with the model group， rotarod endurance time and climbing score of each administration group （except for the ELB low-dose group） were increased significantly （ P ＜0.05）， while the levels and mRNA expressions of IL-1β， TNF-α， α -syn， and Iba-1， as well as phosphorylation levels of IKKβ and NF-κB p65 proteins in brain tissue were decreased significantly （except for TNF-α in the ELB low-dose group）. Conversely， the level and mRNA expression of IL-10 （except for the ELB low-dose group）， TH positive expression and protein expressions were significantly increased （ P ＜0.05）. Typical neurodegenerative pathological changes， such as neuronal karyopyknosis， mitochondrial swelling and vacuolization， and endoplasmic reticulum dilation， all showed varying degrees of improvement. CONCLUSIONS ELB may exert neuroprotective effects by inhibiting the activation of the IKKβ/NF-κB signaling pathway， alleviating inflammatory responses， reducing abnormal α -syn aggregation and neuronal loss， and further improving motor dysfunction in PD mice.

Microwave thermochemotherapy (MTC) has been applied to treat lip squamous cell carcinoma (LSCC), but a deeper understanding of its therapeutic mechanisms and molecular biology is needed. To address this, we used single-cell transcriptomics (scRNA-seq) and spatial transcriptomics (ST) to highlight the pivotal role of tumor-associated neutrophils (TANs) among tumor-infiltrating immune cells and their therapeutic response to MTC. MNDA⁺ TANs with anti-tumor activity (N1-phenotype) are found to be abundantly infiltrated by MTC with benefit of increased blood perfusion, and these TANs are characterized by enhanced cytotoxicity, ameliorated hypoxia, and upregulated IL1B, activating T&NK cells and fibroblasts via IL1B-IL1R. In this highly anti-tumor immunogenic and hypoxia-reversed microenvironment under MTC, fibroblasts accumulated in the tumor front (TF) can recruit N1-TANs via CXCL2-CXCR2 and clear N2-TANs (pro-tumor phenotype) via CXCL12-CXCR4, which results in the aggregation of N1-TANs and extracellular matrix (ECM) deposition. In addition, we construct an N1-TANs marker, MX2, which positively correlates with better prognosis in LSCC patients, and employ deep learning techniques to predict expression of MX2 from hematoxylin-eosin (H&E)-stained images so as to conveniently guide decision making in clinical practice. Collectively, our findings demonstrate that the N1-TANs/fibroblasts defense wall formed in response to MTC effectively combat LSCC.
Humans ; Neutrophils/metabolism* ; Single-Cell Analysis ; Lip Neoplasms/genetics* ; Hyperthermia, Induced/methods* ; Microwaves/therapeutic use* ; Transcriptome ; Carcinoma, Squamous Cell/immunology* ; Tumor Microenvironment

Turning to critical illness is a common stage of various diseases and injuries before death. Patients usually have complex health conditions, while the treatment process involves a wide range of content, along with high requirements for doctor′s professionalism and multi-specialty teamwork, as well as a great demand for time-sensitive treatments. However, this is not matched with critical care professionals and the current state of medical care in China. Telemedicine, which shortens the distance of medical professionals and the gap of disease diagnosis and treatments in various regions through electronic information, can effectively solve the current problem. Therefore, there is an urgent need to develop a standardized, high-quality visualization telemedicine round system .Therefore, experts have been organized to search domestic and foreign literature on telemedicine round for critically ill patients and to form this consensus based on clinical experiences so as to further improve the level of critical care treatments in regions.

Objective To explore the correlation between the expression of serum human leukocyte antigen B27(HLA-B27) and serum amyloid A(SAA) in patients with pulmonary tuberculosis and the severity of the disease and the infection of other pulmonary pathogens. Methods From September 2021 to September 2023,120 patients with pulmonary tuberculosis complicated with pulmonary infection in Beijing Ditan Hospital Affiliated to Capital Medical University were selected as the research group,and another 120 patients with pulmonary tuberculosis were selected as the control group. According to the pneumonia severity index (PSI),the study group patients were divided into low-risk group (n=47),medium risk group (n=42) and high-risk group (n=31). Collected patient sputum for pathogen detection. Enzyme-linked immunosorbent assay (ELISA) was applied to measure the expression levels of HLA-B27 and SAA in serum. Multivariate Logistic regression was applied to analyze the factors that affected the severity of pulmonary tuberculosis combined with pulmonary infection in patients. Receiver operating characteristic (ROC) curve was applied to analyze the diagnostic efficacy of serum HLA-B27 and SAA for the severity of pulmonary tuberculosis combined with pulmonary infection in patients. Results Compared with the control group,the positive rate of serum HLA-B27(72.50％ vs 19.17％)in the study group,expression level of SAA (9.32±2.32 ng/ml vs 4.64±1.04 ng/ml)were significantly increased,and the differences were statistically significant(x2=68.744,t=20.164,all P<0.05). A total of 84 strains of pathogenic bacteria were isolated by the research group,including 46 Gram negative bacteria,34 Gram positive bacteria,and 4 fungi,with Klebsiella pneumoniae accounting for the highest proportion (15.48％). Compared with the low-risk group,the positive rate of HLA-B27(76.19％,93.55％ vs 55.32％),the expression level of SAA(9.35±2.35ng/ml,10.94±2.42ng/ml vs 8.23±2.23ng/ml)and the PSI score(108.63±12.47score,145.93±12.44 score vs 54.48±17.31 score) in the middle-risk group and the severe-risk group were significantly higher,and the differences were statistically significant (x2=4.256,13.130,t=2.306,5.077;15.021,25.384,all P<0.05). Serum HLA-B27 and SAA levels in patients with pulmonary tuberculosis complicated with pulmonary infection were positively correlated with PSI score (r=0.385,0.522,all P<0.05). The results of multivariate Logistic regression analysis showed that HLA-B27 positivity and SAA were risk factors affecting the severity of pulmonary tuberculosis combined with pulmonary infection in patients (P<0.05). The combined diagnosis of serum HLA-B27 and SAA had the highest area under the curve (AUC) for the severity of pulmonary infection in patients,which was superior to the individual diagnosis of serum HLA-B27 and elevated SAA expression levels (Z=3.132,2.131,P=0.002,0.033). Conclusion The pathogenic bacteria in patients with pulmonary tuberculosis and pulmonary infection are mainly Gram negative bacteria. The increases in serum HLA-B27 positive rate and SAA expression level are closely related to the disease progression in patients with pulmonary tuberculosis and pulmonary infection. The combination of the two can better diagnose the severity of the disease in patients with pulmonary infection.

Three-dimensional printed patient-specific instrumentation (3D-PSI) provides a precise and individualized treatment solution for unicompartmental knee arthroplasty (UKA). Currently, this technology is being applied in clinical practice and has demonstrated certain potential. Compared to conventional instrumentation (CI), 3D-PSI offers a broader range of indications, higher-quality preoperative planning, shorter surgical time, a smoother learning curve, more precise osteotomy and prosthesis placement, and better postoperative functional recovery. However, it still has limitations in the rotational alignment of the tibial component. Additionally, the higher cost for patients and increased hospital equipment investment make it less beneficial for surgeons already proficient in CI techniques. Further reliable evidence is needed to compare 3D-PSI with computer navigation and robotic technologies. This review summarizes the advantages and limitations of 3D-PSI assisted UKA and compares 3D-PSI with different auxiliary technologies.

Objective To observe the value of deep learning(DL)reconstruction algorithm for improving imaging quality of accelerated T2WI of cervical tumors.Methods A total of 43 patients with suspected cervical tumors were prospectively enrolled.Cervical conventional T2WI and accelerated T2WI based on DL reconstruction(DL-T2WI)were acquired.The imaging quality was subjectively assessed by 2 physicians using a 4-point system,including overall image quality,artifact,noise,sharpness and lesion detectability scores,and then were compared between conventional T2WI and DL-T2WI.Results The acquisition of conventional T2WI took 116 s,while of DL-T2WI took 101 s.The inter-observer consistency of subjective evaluation results on the overall image quality,artifact,noise,sharpness and lesion detectability scores were all excellent(Kappa=0.851-0.969).No significant difference of subjective evaluation results on overall image quality nor lesion detectability scores was found between conventional T 2WI and DL-T2WI(both P＞0.05),while the artifact and sharpness scores of DL-T2WI were significantly higher but the noise score was significantly lower than those of conventional T2WI(all P＜0.05).Conclusion DL reconstruction algorithm was helpful for improving imaging quality of accelerated T 2WI of cervical tumors.

Objective To observe the value of deep learning(DL)reconstruction algorithm for improving imaging quality of accelerated T2WI of cervical tumors.Methods A total of 43 patients with suspected cervical tumors were prospectively enrolled.Cervical conventional T2WI and accelerated T2WI based on DL reconstruction(DL-T2WI)were acquired.The imaging quality was subjectively assessed by 2 physicians using a 4-point system,including overall image quality,artifact,noise,sharpness and lesion detectability scores,and then were compared between conventional T2WI and DL-T2WI.Results The acquisition of conventional T2WI took 116 s,while of DL-T2WI took 101 s.The inter-observer consistency of subjective evaluation results on the overall image quality,artifact,noise,sharpness and lesion detectability scores were all excellent(Kappa=0.851-0.969).No significant difference of subjective evaluation results on overall image quality nor lesion detectability scores was found between conventional T 2WI and DL-T2WI(both P＞0.05),while the artifact and sharpness scores of DL-T2WI were significantly higher but the noise score was significantly lower than those of conventional T2WI(all P＜0.05).Conclusion DL reconstruction algorithm was helpful for improving imaging quality of accelerated T 2WI of cervical tumors.

Objective To explore the correlation between the expression of serum human leukocyte antigen B27(HLA-B27) and serum amyloid A(SAA) in patients with pulmonary tuberculosis and the severity of the disease and the infection of other pulmonary pathogens. Methods From September 2021 to September 2023,120 patients with pulmonary tuberculosis complicated with pulmonary infection in Beijing Ditan Hospital Affiliated to Capital Medical University were selected as the research group,and another 120 patients with pulmonary tuberculosis were selected as the control group. According to the pneumonia severity index (PSI),the study group patients were divided into low-risk group (n=47),medium risk group (n=42) and high-risk group (n=31). Collected patient sputum for pathogen detection. Enzyme-linked immunosorbent assay (ELISA) was applied to measure the expression levels of HLA-B27 and SAA in serum. Multivariate Logistic regression was applied to analyze the factors that affected the severity of pulmonary tuberculosis combined with pulmonary infection in patients. Receiver operating characteristic (ROC) curve was applied to analyze the diagnostic efficacy of serum HLA-B27 and SAA for the severity of pulmonary tuberculosis combined with pulmonary infection in patients. Results Compared with the control group,the positive rate of serum HLA-B27(72.50％ vs 19.17％)in the study group,expression level of SAA (9.32±2.32 ng/ml vs 4.64±1.04 ng/ml)were significantly increased,and the differences were statistically significant(x2=68.744,t=20.164,all P<0.05). A total of 84 strains of pathogenic bacteria were isolated by the research group,including 46 Gram negative bacteria,34 Gram positive bacteria,and 4 fungi,with Klebsiella pneumoniae accounting for the highest proportion (15.48％). Compared with the low-risk group,the positive rate of HLA-B27(76.19％,93.55％ vs 55.32％),the expression level of SAA(9.35±2.35ng/ml,10.94±2.42ng/ml vs 8.23±2.23ng/ml)and the PSI score(108.63±12.47score,145.93±12.44 score vs 54.48±17.31 score) in the middle-risk group and the severe-risk group were significantly higher,and the differences were statistically significant (x2=4.256,13.130,t=2.306,5.077;15.021,25.384,all P<0.05). Serum HLA-B27 and SAA levels in patients with pulmonary tuberculosis complicated with pulmonary infection were positively correlated with PSI score (r=0.385,0.522,all P<0.05). The results of multivariate Logistic regression analysis showed that HLA-B27 positivity and SAA were risk factors affecting the severity of pulmonary tuberculosis combined with pulmonary infection in patients (P<0.05). The combined diagnosis of serum HLA-B27 and SAA had the highest area under the curve (AUC) for the severity of pulmonary infection in patients,which was superior to the individual diagnosis of serum HLA-B27 and elevated SAA expression levels (Z=3.132,2.131,P=0.002,0.033). Conclusion The pathogenic bacteria in patients with pulmonary tuberculosis and pulmonary infection are mainly Gram negative bacteria. The increases in serum HLA-B27 positive rate and SAA expression level are closely related to the disease progression in patients with pulmonary tuberculosis and pulmonary infection. The combination of the two can better diagnose the severity of the disease in patients with pulmonary infection.

Turning to critical illness is a common stage of various diseases and injuries before death. Patients usually have complex health conditions, while the treatment process involves a wide range of content, along with high requirements for doctor′s professionalism and multi-specialty teamwork, as well as a great demand for time-sensitive treatments. However, this is not matched with critical care professionals and the current state of medical care in China. Telemedicine, which shortens the distance of medical professionals and the gap of disease diagnosis and treatments in various regions through electronic information, can effectively solve the current problem. Therefore, there is an urgent need to develop a standardized, high-quality visualization telemedicine round system .Therefore, experts have been organized to search domestic and foreign literature on telemedicine round for critically ill patients and to form this consensus based on clinical experiences so as to further improve the level of critical care treatments in regions.

Objective To investigate the effect and mechanism of Panax notoginseng saponins(PNS)in inhibiting c-Jun N-terminal protein kinase(JNK)/c-Jun signaling pathway activation to alleviate calcific aortic valve disease(CAVD)in mice.Methods Twenty-one male ApoE-/-mice aged 6 to 8 weeks were randomly divided into the model,PNS high-dose(60 mg/kg),and PNS low-dose(30 mg/kg)groups using the random number table method,with seven mice per group.Nine male C57BL/6 mice aged 6 to 8 weeks were used as the control group.Mice in the control group were fed a normal diet,whereas ApoE-/-mice were fed a high-fat diet for 12 weeks.After 12 weeks,three C57BL/6 and three ApoE-/-mice(one ApoE-/-mice from each group)were randomly selected to evaluate the CAVD modeling effect.After confirming successful modeling,the PNS high-and low-dose groups received daily intragastric PNS administration.The control and model groups were administered an equal volume of stroke-physiological saline solution by gavage for 4 consecutive weeks.The valve annulus diameter and peak velocity of the mice in each group were then detected using ultrasound.The degree of aortic valve calcification was evaluated using von Kossa and Alizarin Red S staining.The serum triglycerides(TG),total cholesterol(TC),low-density lipoprotein cholesterol(LDL-C),and high-density lipoprotein cholesterol(HDL-C)were detected by biochemical method.Inflammatory factor interleukin-4(IL-4),tumor necrosis factor-α(TNF-α),interleukin-1β(IL-1β),and interleukin-10(IL-10)levels were determined using an enzyme-linked immunosorbent assay.The expressions of calcification markers,runt-related transcription factor 2(RUNX2),and bone morphogenetic protein 2(BMP2)were detected using immunohistochemistry.Aortic valve cell apoptosis was evaluated using TUNEL staining,and JNK/c-Jun signaling pathway-related mRNA and mean fluorescence intensity were detected using quantitative real-time PCR and immunofluorescence,respectively.Results Compared with the control group,the mice in the model group showed an increase in serum TC,TG,LDL-C,TNF-α,and IL-1β levels,a decrease in IL-4 and IL-10 levels,a decrease in annulus diameter,an increase in peak flow velocity,and an increase in von Kossa and Alizarin Red S staining-positive areas.Additionally,the model group showed an increase in aortic valve cell apoptosis rate,an increase in BMP2 and RUNX2-positive rates,and an increase in JNK and c-Jun mRNA expression levels and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).Compared to the model group,the PNS low-dose group showed a decrease in serum TC,LDL-C,and TNF-α levels,an increase in annulus diameter,a decrease in peak flow velocity,and a decrease in positive area in Alizarin Red S staining.Furthermore,the PNS low-dose group showed a decrease in BMP2 and RUNX2-positive rates,JNK and c-Jun mRNA expression levels,and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).The PNS high-dose group showed an increase in HDL-C,IL-4 and IL-10 levels,a decrease in serum TC,LDL-C,TNF-α,and IL-1β levels,an increase in annulus diameter,a decrease in peak flow velocity,and a decrease in von Kossa and Alizarin Red S staining-positive areas and cell apoptosis rate.The PNS high-dose group also showed a decrease in BMP2 and RUNX2 positive staining rates,JNK and c-Jun mRNA expression levels,and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).Conclusion PNS may reduce valvular cell apoptosis,alleviate inflammation,and protect against aortic valve calcification in mice by inhibiting the activation of JNK/c-Jun signaling pathway.