Resistance to poly adenosine diphosphate (ADP)-ribose polymerase inhibitor (PARPi) presents a considerable obstacle in the treatment of ovarian cancer. F-box and tryptophan-aspartic (WD) repeat domain containing 11 (FBXW11) modulates the ubiquitination of growth-and invasion-related factors in lung cancer, colorectal cancer, and osteosarcoma. The function of FBXW11 in PARPi therapy is still ambiguous. In this study, RNA sequencing (RNA-seq) showed that FBXW11 expression was raised in ovarian cancer cells that had been treated with PARPi. FBXW11 was abnormally expressed at low levels in high-grade serous ovarian cancer (HGSOC) tissues, and low levels of FBXW11 were associated with shorter overall survival (OS) and progression-free survival (PFS) in HGSOC patients. Overexpressing FBXW11 made ovarian cancer more sensitive to PARPi, while knocking down FBXW11 made it less sensitive. The four-dimensional (4D) label-free quantitative proteomic analysis revealed that FBXW11 targeted S100 calcium binding protein A11 (S100A11) and promoted its degradation through ubiquitination. The increased degradation of S100A11 led to less efficient DNA damage repair, which in turn contributed to increased PARPi-induced DNA damage. The role of FBXW11 in promoting PARPi sensitivity was also confirmed in xenograft mouse models. In summary, our study confirms that FBXW11 promotes the susceptibility of ovarian cancer cells to PARPi via affecting S100A11-mediated DNA damage repair.

Objective:To establish a set of reasonable,reliable and easy-to-operate evaluation index system for the clinical application of ventilators,so as to carry out all-round clinical evaluation for application of ventilators.Methods:A research group on the evaluation index system for the clinical application of ventilators was formed by 5 clinical engineers,who came from the Department of Medical Engineering of the First Affiliated Hospital of Zhejiang University School of Medicine,to form a primary evaluation index system for the clinical application of ventilators through literature review and internal discussion,and invited 14 experts from different provinces and cities engaged in respiratory therapy or ventilator maintenance management,after two rounds of online discussion and optimization,the importance scores of each evaluation index were obtained by the Delphi method,and the relative importance of each evaluation index was calculated by analytic hierarchy process.An evaluation index system for the clinical application of ventilators was established from three dimensions:technical performance,clinical effect and after-sales service.The ventilators of brand A and brand B used in the hospital during the same period were selected,and the clinical application of the two different brands of ventilators was compared and evaluated by using the evaluation index system.Results:The constructed evaluation index system for clinical application of ventilator included 3 first-level indicators(technical performance,clinical effect and after-sale service),and 8 second-level indicators and 35 third-level indicators.The combined weight of indicators showed that the ratio of importance of"technical performance"of the first-level indicators accounted for more than half,and the relatively important indicators in the second-level indicators were successively design for safety,static performance,reliability,service quality and applicability.The comprehensive average score of ventilator A was 4.468 points,and that of ventilator B was 4.117 points.The overall performance of ventilator A was better than that of ventilator B in the evaluation of this round,which was consistent with the actually clinical application of the two ventilators.Conclusion:The evaluation index system for clinical application of ventilator can conduct comprehensive evaluation for the effect of clinical application of various kinds of ventilators,and clarify the advantages and disadvantages of various kinds of ventilators,and provide reference basis for medical institutions in selecting ventilator's brands,and for manufacturers in improving product's performance.

Sj?gren syndrome(SS)is an immune disease mainly characterized by lymphocytes infiltrate in salivary and lacrimal glands,leading to glandular secretion disorders and dryness in the mouth and eyes.In recent years,clinical application of ultrasound elastography(USE)increased widespread,providing a new imaging method for diagnosis of SS.The research progresses of USE in SS were reviewed in this article.

Quality control of pediatric musculoskeletal ultrasound(MSKUS)must be integrated throughout the entire diagnostic process.Its core lies in a thorough understanding of the growth,development,and pathophysiological characteristics of the pediatric musculoskeletal system,mastery of MSKUS examination techniques,and the establishment of a systematic and comprehensive diagnostic framework.This review focuses on the core aspects of pre-examination,during examination,and post-examination to describe the quality control points and strategies for pediatric MSKUS.

Objective To observe hierarchical differences in brain functional networks in unilateral mesial temporal lobe epilepsy(mTLE)patients with different outcomes after surgery.Methods A total of 69 unilateral mTLE patients who underwent resection of epileptogenic lesion on the affected side were retrospectively enrolled.Based on Engel classification 1 year after surgery,the patients were divided into seizure free(SF)group and non-seizure free(NSF)group.Functional connectivity gradient analysis was employed to extract principal gradient explaining the highest variance on preoperative resting-state functional MRI(rs-fMRI),then the whole-brain gradient characteristics and principal gradient values within specific functional networks were compared between groups.Results Principal gradient connected default mode network(DMN)with sensorimotor network(SMN)along a continuous axis.Compared to SF group,NSF group showed a contracted gradient range at both ends(DMN and SMN)of the functional network and weakened hierarchical differentiation,and principal gradient value of DMN was higher,while that of SMN was lower than those in SF group(both P＜0.05).Conclusion Hierarchical differences in brain functional networks in unilateral mTLE patients with different outcomes after surgery mainly present as enhanced DMN and weakened SMN in NSF ones,and the latter two might serve as important neuroimaging markers for evaluating postoperative seizure recurrence.

To review the clinical characteristics, short-term outcomes, and risk factors of patients with infective endocarditis(IE) who underwent surgical treatment at a single center, and to summarize treatment experience.

Resistance to poly adenosine diphosphate(ADP)-ribose polymerase inhibitor(PARPi)presents a considerable obstacle in the treatment of ovarian cancer.F-box and tryptophan-aspartic(WD)repeat domain containing 11(FBXW11)modulates the ubiquitination of growth-and invasion-related factors in lung cancer,colorectal cancer,and osteosarcoma.The function of FBXW11 in PARPi therapy is still ambiguous.In this study,RNA sequencing(RNA-seq)showed that FBXW11 expression was raised in ovarian cancer cells that had been treated with PARPi.FBXW11 was abnormally expressed at low levels in high-grade serous ovarian cancer(HGSOC)tissues,and low levels of FBXW11 were associated with shorter overall survival(OS)and progression-free survival(PFS)in HGSOC patients.Overexpressing FBXW11 made ovarian cancer more sensitive to PARPi,while knocking down FBXW11 made it less sensitive.The four-dimensional(4D)label-free quantitative proteomic analysis revealed that FBXW11 targeted S100 calcium binding protein A11(S100A11)and promoted its degradation through ubiquiti-nation.The increased degradation of S100A11 led to less efficient DNA damage repair,which in turn contributed to increased PARPi-induced DNA damage.The role of FBXW11 in promoting PARPi sensitivity was also confirmed in xenograft mouse models.In summary,our study confirms that FBXW11 promotes the susceptibility of ovarian cancer cells to PARPi via affecting S10OA11-mediated DNA damage repair.

Objective To analyze the clinical risk factors for gastrointestinal dysfunction in patients with traumatic brain injury.Methods A retrospective analysis was conducted on clinical data of 313 cases of traumatic brain injury in our hospital from January 2022 to October 2023.According to whether gastrointestinal dysfunction occurred at admission,the patients were divided into the occurrence group(Group A,90 cases)and the non-occurrence group(Group B,223 cases).Multivariate Logistic regression was used to analyze the risk factors of gastrointestinal dysfunction.The receiver operating characteristic(ROC)curve was used to evaluate the efficacy of each factor in predicting gastrointestinal dysfunction in patients with craniocerebral injury.Results Among 313 patients,90 cases(28.75％)experienced gastrointestinal dysfunction.Logistic analysis showed that the admission GCS score was ≤8 points(OR=3.117,95％CI:1.358-7.157,P=0.007),pulmonary infection(OR=7.129,95％CI:1.889-27.377,P=0.004),intracranial infection(OR=3.152,95％CI:1.162-8.548,P=0.024),frontal lobe injury(OR=5.430,95％CI:1.481-19.915,P=0.011),abnormal serum Na levels(OR=8.482,95％CI:1.958-36.247,P=0.004),and decreased Alb(OR=3.001,95％CI:1.137-7.918,P=0.026)and elevated hs CRP(OR=3.142,95％CI:1.159-8.522,P=0.024)were independent risk factors for gastrointestinal dysfunction in patients with traumatic brain injury.The receiver operating characteristic(ROC)curve was used to evaluate the efficacy of each factor in predicting gastrointestinal dysfunction in patients with craniocerebral injury.Conclusion Admission GCS score≤8,pulmonary infection,intracranial infection,frontal lobe injury,abnormal serum Na levels,decreased Alb,and elevated hs CRP are independent risk factors for gastrointestinal dysfunction in patients with traumatic brain injury.

Objective:To investigate the current status of application of stereotactic body radiation therapy (SBRT) in China, aiming to provide reference for promoting the development of this technology.Methods:From January to March 2024, a questionnaire was designed and distributed online, targeting member units of the Professional Committee of Stereotactic Radiosurgery Treatment, which covers 175 radiotherapy units in 30 provinces and regions nationwide. The survey focused on the current application of SBRT technology and its utilization in the treatment of early-stage non-small cell lung cancer (NSCLC). A statistical description of the survey results was presented.Results:Of 175 questionnaires distributed, a total of 130 valid responses were collected, with an effective response rate of 74.3%. A total of 81.5% (106/130) of the units had implemented SBRT technology, and 99.1% of the respondents believed it was necessary to further promote SBRT technology, yet the actual training rate was only 67.0%. SBRT equipment configuration: there were a total of 267 SBRT equipment, featuring a diverse range of types, with traditional linear accelerators as the mainstays, accounting for 76.0% ( n=203), followed by 12.0% ( n=32) for TOMO, 6.4% ( n=17) for Cyber knife, 3.7% ( n=10) for Gamma knife, and proton/heavy ion equipment at 1.5% ( n=4), respectively. The percentage of units with multi-leaf collimator leaf widths ≤0.5 cm was 93.4% (99/106). The application of SBRT: the first radiotherapy unit commenced SBRT in 2000, and this technology entered a period of rapid growth after 2015, sustaining a steady increase over the past decade; SBRT technology was mainly applied in the brain, lung, liver, bone, adrenal gland, and kidney, with application rates of 97.2%, 94.3%, 86.8%, 71.7%, 56.6%, and 27.4%, respectively, while the application rates for the pancreas, metastatic lymph nodes, and other parts were less than 5%. Current status of SBRT technology application in early-stage NSCLC: 90.6% (96/106) of units had implemented SBRT; pre-treatment multi-disciplinary diagnosis and treatment accounted for 77% (74/96); the proportion of application units for peripheral and central type lung cancer lesions both exceeded 57.3%, whereas the application rate for ultra-central type and lesions > 5 cm lung cancer was less than 30%; there was significant variability in the selection of reference guidelines, dose fractionation patterns, and the concept of central type among units. Conclusions:The development of SBRT technology in China is in a period of steady growth, but several issues such as low training rate and lack of standardization still exist. The survey results provide important reference for clinical training and promotion of SBRT technology in China.

Objective To observe the impact factors of abdominal wall edema degree after high intensity focused ultrasound(HIFU)ablation for uterine leiomyoma(UL).Methods Totally 128 patients with solitary UL who underwent HIFU were retrospectively enrolled.Edema degree of abdominal wall showed on T2WI were classified into grade Ⅰ,Ⅱand Ⅲ according to the involved layers and subcutaneous indurations.Patients'general data,MRI characteristics of UL,HIFU parameters and adverse reactions were compared among grades.Multinomial logistic regression analysis was used to screen the impact factors of edema degree.Results Among 128 patients,grade Ⅰ edema was found in 79 cases(79/128,61.72%),while grade Ⅱ and Ⅲ were observed in 27(27/128,21.09%)and 22(22/128,17.19%)cases,respectively.Compared with patients with grade Ⅲ edema,those with grades Ⅰ and Ⅱ had lower body mass index(BMI),and patients with grade Ⅰ edema had decreased subcutaneous fat thickness and decreased total thickness of subcutaneous fat and muscle layers(both adjusted P＜0.05).The proportion of abdominal scars in patients with grade Ⅰedema was lower than that with grade Ⅱ(adjusted P＜0.05).No significant difference of MRI findings of UL before HIFU nor HIFU parameters was noticed among different grades of edema(all P＞0.05).BMI and abdominal scar were both impact factors for distinguishing grade Ⅰ and Ⅲ,while BMI was the impact factor for distinguishing grade Ⅱ and Ⅲ edema after HIFU for UL(all P＜0.05).Conclusion BMI and abdominal scar were both impact factors for abdominal wall edema degree after HIFU for UL.