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Conditioned medium from human dental pulp stem cells treats spinal cord injury by inhibiting microglial pyroptosis

Neural Regeneration Research 2024年第5期19卷 1105-1111页

作者： Tao Liu Ziqian Ma Liang Liu Yilun Pei Qichao Wu Songjie Xu Yadong Liu Nan Ding Yun Guan Yan Zhang Xueming Chen department of Orthopedic surgery Beijing Luhe HospitalCapital Medical UniversityBeijingChina department of Orthopedic surgery Beijing Chaoyang HospitalCapital Medical UniversityBeijingChina department of Stomatology Beijing Luhe HospitalCapital Medical UniversityBeijingChina department of Anesthesiology and Critical Care Medicine School of MedicineJohns Hopkins UniversityBaltimoreMDUSA department of Neurological surgery School of MedicineJohns Hopkins UniversityBaltimoreMDUSA

Human dental pulp stem cell transplantation has been shown to be an effective therapeutic strategy for spinal cord ***,whether the human dental pulp stem cell secretome can contribute to functional recovery after spinal cord injury remains *** the present study,we established a rat model of spinal cord injury based on impact injury from a dropped weight and then intraperitoneally injected the rats with conditioned medium from human dental pulp stem *** found that the conditioned medium effectively promoted the recovery of sensory and motor functions in rats with spinal cord injury,decreased expression of the microglial pyroptosis markers NLRP3,GSDMD,caspase-1,and interleukin-1β,promoted axonal and myelin regeneration,and inhibited the formation of glial *** addition,in a lipopolysaccharide-induced BV2 microglia model,conditioned medium from human dental pulp stem cells protected cells from pyroptosis by inhibiting the NLRP3/caspase-1/interleukin-1β*** results indicate that conditioned medium from human dental pulp stem cells can reduce microglial pyroptosis by inhibiting the NLRP3/caspase-1/interleukin-1βpathway,thereby promoting the recovery of neurological function after spinal cord ***,conditioned medium from human dental pulp stem cells may become an alternative therapy for spinal cord injury.

关键词： BV2 conditioned medium dental pulp stem cells GSDMD microglia neuroinflammation NLRP3 pyroptosis spinal cord injury

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Predicting Acute Mountain Sickness Using Regional Sea-Level Cerebral Blood Flow

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Biomedical and Environmental Sciences 2024年第8期37卷 887-896页

作者： Hao Zhang Jie Feng Shiyu Zhang Wenjia Liu Lin Ma Chinese PLA Medical School Beijing 100853China department of radiology First Medical CenterChinese PLA General HospitalBeijing 100853China department of radiology Beijing Friendship HospitalCapital Medical UniversityBeijing 100050China

Objective To investigate the role of sea-level cerebral blood flow(CBF)in predicting acute mountain sickness(AMS)using three-dimensional pseudo-continuous arterial spin labeling(3D-pCASL).Methods Forty-eight healthy volunteers reached an altitude of 3,650 m by air after undergoing a head magnetic resonance imaging(MRI)including 3D-pCASL at sea *** CBF values of the bilateral anterior cerebral artery(ACA),middle cerebral artery(MCA),posterior cerebral artery(PCA),and posterior inferior cerebellar artery(PICA)territories and the laterality index(LI)of CBF were compared between the AMS and non-AMS *** analyses were performed to determine the relationship between CBF and AMS,and the predictive performance was assessed using receiver operating characteristic(ROC)*** The mean cortical CBF in women(81.65±2.69 mL/100 g/min)was higher than that in men(74.35±2.12 mL/100 g/min)(P<0.05).In men,the cortical CBF values in the bilateral ACA,PCA,PICA,and right MCA were higher in patients with AMS than in those *** CBF in the right PCA best predicted AMS(AUC=0.818).In women,the LI of CBF in the ACA was different between the AMS and non-AMS groups and predicted AMS with an AUC of *** Although the mechanism and prediction of AMS are quite complicated,higher cortical CBF at sea level,especially the CBF of the posterior circulatory system,may be used for prediction in male volunteers using non-invasive 3D-pCASL.

关键词： Acute mountain sickness High-altitude headache Cerebral blood flow Arterial spin labeling Magnetic resonance imaging

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Machine learning identifies the risk of complications after laparoscopic radical gastrectomy for gastric cancer

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World Journal of Gastroenterology 2024年第1期30卷 79-90页

作者： Qing-Qi Hong Su Yan Yong-Liang Zhao Lin Fan Li Yang Wen-Bin Zhang Hao Liu He-Xin Lin Jian Zhang Zhi-Jian Ye Xian Shen Li-Sheng Cai Guo-Wei Zhang Jia-Ming Zhu Gang Ji Jin-Ping Chen Wei Wang Zheng-Rong Li Jing-Tao Zhu Guo-Xin Li Jun You department of Gastrointestinal Oncology surgery The First Affiliated Hospital of Xiamen UniversitySchool of MedicineXiamen 361001Fujian ProvinceChina department of Gastrointestinal surgery Qinghai University Affiliated HospitalXining 810000Qinghai ProvinceChina department of General surgery and Center of Minimal Invasive Gastrointestinal surgery The First Hospital Affiliated to Army Medical UniversityChongqing 400038China department of General surgery The First Affiliated Hospital of Xi'an Jiaotong UniversityXi'an 710061Shaanxi ProvinceChina department of General surgery The First Affiliated Hospital of Nanjing Medical UniversityNanjing 210029Jiangsu ProvinceChina department of Gastrointestinal surgery The First Affiliated Hospital of Xinjiang Medical UniversityUrmuqi 830054Xinjiang Uygur Autonomous RegionChina department of General surgery Nanfang HospitalSouthern Medical UniversityGuangzhou 510515Guangdong ProvinceChina department of Gastrointestinal surgery Affiliated Hangzhou First People's HospitalZhejiang University School of MedicineHangzhou 310006Zhejiang ProvinceChina department of Gastrointestinal surgery Zhongshan Hospital of Xiamen UniversityXiamen 361004Fujian ProvinceChina department of surgery The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical UniversityWenzhou 325027Zhejiang ProvinceChina department of General surgery Unit 4 Zhangzhou Affiliated Hospital of Fujian Medical UniversityZhangzhou 363000Fujian ProvinceChina department of Gastrointestinal surgery The Second Affiliated Hospital of Xiamen Medical CollegeXiamen 361021Fujian ProvinceChina department of Gastrointestinal Nutrition and Hernia surgery The Second Hospital of Jilin UniversityChangchun 130041Jilin ProvinceChina department of Digestive Diseases Xijing HospitalAir Force Military Medical UniversityXi'an 710032Shaanxi ProvinceChina department of Gastrointestinal surgery Quanzhou First Hospital Affiliated to Fujian Medical UniversityQuanzhou 362002Fujian Provin

BACKGROUND Laparoscopic radical gastrectomy is widely used,and perioperative complications have become a highly concerned *** To develop a predictive model for complications in laparoscopic radical gastrectomy for gastric cancer to better predict the likelihood of complications in gastric cancer patients within 30 days after surgery,guide perioperative treatment strategies for gastric cancer patients,and prevent serious *** In total,998 patients who underwent laparoscopic radical gastrectomy for gastric cancer at 16 Chinese medical centers were included in the training group for the complication model,and 398 patients were included in the validation *** clinicopathological data and 30-d postoperative complications of gastric cancer patients were *** machine learning methods,lasso regression,random forest,and artificial neural networks,were used to construct postoperative complication prediction models for laparoscopic distal gastrectomy and laparoscopic total gastrectomy,and their prediction efficacy and accuracy were *** The constructed complication model,particularly the random forest model,could better predict serious complications in gastric cancer patients undergoing laparoscopic radical *** exhibited stable performance in external validation and is worthy of further promotion in more *** Using the risk factors identified in multicenter datasets,highly sensitive risk prediction models for complications following laparoscopic radical gastrectomy were *** hope to facilitate the diagnosis and treatment of preoperative and postoperative decision-making by using these models.

关键词： Gastric cancer Laparoscopic radical gastrectomy Postoperative complications Laparoscopic total gastrectomy

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Early-onset and later-onset cancer: trends, risk factors, and prevention in Northern China

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Science China Life Sciences 2024年第9期67卷 1928-1940页

作者： Tong Liu Chen-An Liu Qing-Song Zhang Qi Zhang Yi-Ming Wang Meng-Meng Song Shi-Qi Lin Li Deng Shou-Ling Wu Han-Ping Shi department of Gastrointestinal surgery Department of Clinical Nutrition Beijing Shijitan Hospital Capital Medical University National Clinical Research Center for Geriatric Diseases Xuanwu Hospital Capital Medical University Key Laboratory of Cancer FSMP for State Market Regulation Laboratory for Clinical Medicine Capital Medical University department of General surgery Kailuan General Hospital department of Genetics Yale School of Medicine department of Hepatobiliary surgery Kailuan General Hospital Cardiovascular Research Institute University of California department of Cardiology Kailuan General Hospital

The characteristics of early-onset(onset age <50 years) and later-onset(onset age ≥50 years) cancers differ significantly. Identifying novel risk factors for both types of cancer is crucial for increasing awareness of cancer prevention and for reducing its burden. This study aimed to analyze the trends in incidence and risk factors for early-onset and late-onset cancers. We conducted a prospective study by drawing data from the Kailuan Study. This study included 6,741 participants with cancer(624 with early-onset cancer and 6,117 with later-onset cancer)and 6,780 matched controls among the 186,249 participants who underwent Kailuan health examinations from 2006 to 2019. The primary outcomes were cancer incidence rates, and associated risk factors for early-and later-onset cancer. Weighted Cox regression was used to calculate hazard ratios and 95% confidence intervals of each exposure factor for early-and later-onset cancer by cancer type. Populationattributable risk proportions were used to estimate the number of cases that could be prevented by eliminating a risk factor from the population. Except for liver cancer, incidence rates for nearly all types of cancer increased during the study period. Smoking, alcohol consumption, lipid metabolism disorders, hypertension, diabetes mellitus, fatty liver, and inflammation were associated with a significantly increased risk of cancer at multiple sites, but risk factors for cancer incidence differed by site. Smoking, alcohol consumption, inflammation,and hypertension were the major contributors to preventable cancer. The incidence of several different types of cancer, including earlyonset cancer, is increasing in northeastern China. Differences in risk factors between early-onset and later-onset malignancies may contribute to the divergence in the observed changes in incidence trends between these two specific types of cancer.

关键词： cancer early-onset later-onset trend risk factor prevention

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Hepatocellular carcinoma presenting as an extrahepatic mass:A case report and review of literature

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World Journal of Gastrointestinal Oncology 2024年第5期16卷 2241-2252页

作者： Wei Kelly Wu Krutika Patel Chandrasekhar Padmanabhan Kamran Idrees department of surgery Vanderbilt University Medical CenterNashvilleTN 37232United States department of Pathology Microbiology and ImmunologyVanderbilt University Medical CenterNashvilleTN 37232United States Division of Surgical Oncology and Endocrine surgery Department of SurgeryVanderbilt University Medical CenterNashvilleTN 37232United States

BACKGROUND Hepatocellular carcinoma(HCC)is a primary liver tumor generally diagnosed based on radiographic *** disease is typically associated with increased tumor diameter,multifocality,and vascular *** report a case of a patient who presented with extrahepatic HCC metastasis to a portocaval lymph node with occult hepatic primary on computed tomography(CT).We review the literature for cases of extrahepatic HCC presentation without known hepatic lesions and discuss strategies to differentiate between metastatic and ectopic *** SUMMARY A 67-year-old male with remotely treated hepatis C was referred for evaluation of an enlarging portocaval,mixed cystic-solid *** CT evaluations demonstrated steatosis,but no cirrhosis or liver *** ultrasound demonstrated a normal-appearing pancreas,biliary tree,and *** needle aspiration yielded atypical *** differential diagnosis included duodenal or pancreatic cyst,lymphoproliferative cyst,stromal or mesenchymal lesions,nodal involvement from gastrointestinal or hematologic malignancy,or duodenal gastrointestinal stromal *** review by a multidisciplinary tumor board,the patient underwent open surgical resection of a 5.2 cm×5.5 cm retroperitoneal mass with pathology consistent with moderately-differentiated *** resonance imaging(MRI)subsequently demonstrated a 1.2 cm segment VIII hepatic lesion with late arterial enhancement,fatty sparing,and intrinsic T1 *** fetoprotein was 23.3 ng/*** patient was diagnosed with HCC with portocaval nodal ***:We surveyed the literature for HCC presenting as extrahepatic masses without history of concurrent or prior intrahepatic *** identified 18 cases of extrahepatic HCC ultimately found to represent metastatic lesions,and 30 cases of extrahepatic HCC found to be primary,ectopic *** Hepatocellular carcinoma can seldomly present with extrahepatic metastasis in the setting of

关键词： Extrahepatic Metastasis Portocaval Lymph node Case report

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Neoadjuvant camrelizumab(an anti-PD-1 antibody)plus chemotherapy or apatinib(a VEGFR-2 inhibitor)for initially unresectable stage II–III non-small-cell lung cancer:a multicentre,two-arm,phase 2 exploratory study

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Signal Transduction and Targeted Therapy 2024年第7期9卷 3015-3023页

作者： Haoran Xia Han Zhang Zheng Ruan Huibiao Zhang Liangdong Sun Hezhong Chen Yongxin Zhou Lele Zhang Dongliang Bian Xinsheng Zhu Jing Zhang Fenghuan Sun Huansha Yu Nan Song Xiaogang Liu Yuming Zhu Haiping Zhang Wenxin He Jian Chen Jie Yang Guohan Chen Shiliang Xie Dongfang Tang Xiaomiao Zhang Liang Duan Deping Zhao Qinchuan Li Peng Zhang Gening Jiang department of Thoracic surgery Shanghai Pulmonary HospitalTongji University School of MedicineShanghaiChina department of Thoracic surgery Shanghai General HospitalShanghai Jiao Tong University School of MedicineShanghaiChina department of Thoracic surgery Huadong Hospital Affiliated to Fudan UniversityShanghaiChina department of Thoracic surgery Changhai HospitalNaval Medical UniversityShanghaiChina department of Thoracic-Cardiovascular surgery Tongji HospitalTongji University School of MedicineShanghaiChina Central Laboratory Shanghai Pulmonary HospitalTongji University School of MedicineShanghaiChina Experimental Animal Center Shanghai Pulmonary HospitalTongji University School of MedicineShanghaiChina department of Oncology Shanghai Pulmonary HospitalTongji University School of MedicineShanghaiChina department of Thoracic surgery Shanghai East HospitalTongji University School of MedicineShanghaiChina

This multicentre,two-arm,phase 2 study aimed to explore the efficacy and safety of neoadjuvant camrelizumab plus chemotherapy or apatinib in patients with initially unresectable stage II–III non-small-cell lung cancer(NSCLC).Eligible patients regardless of PD-L1 expression received neoadjuvant camrelizumab 200 mg and platinum-doublet chemotherapy every 3 weeks(arm A)or those with PD-L1-positive tumors received neoadjuvant camrelizumab and apatinib 250 mg once daily(arm B),for 2–4 cycles,followed by *** primary endpoint was major pathological response(MPR)*** patients in arm A and 21 in arm B were *** rates were 50.0%(15/30)in arm A and 42.9%(9/21)in arm B,with all patients achieving R0 *** these patients,the MPR and pathological complete response rates were both 20.0%(95%CI 4.3–48.1)in arm A and were 55.6%(95%CI 21.2–86.3)and 11.1%(95%CI 0.3–48.2)in arm B,*** corresponding objective response rates were 33.3%(95%CI 11.8–61.6)and 55.6%(95%CI 21.2–86.3).With a median follow-up of 22.4 months(95%CI 19.0–26.0),the median event-free survival was not reached(NR;95%CI 13.6-NR)in arm A and 16.8 months(95%CI 8.6-NR)in arm *** 3 or above treatment-related adverse events occurred in eight(26.7%)patients in arm A and three(14.3%)in arm *** analysis showed baseline TYROBP expression was predictive of treatment response in arm *** camrelizumab plus chemotherapy or apatinib exhibits preliminary efficacy and manageable toxicity in patients with initially unresectable stage II–III NSCLC.

关键词： surgery chemotherapy treatment

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Left ventricular thrombosis caused cerebral embolism during venoarterial extracorporeal membrane oxygenation support: A case report

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World Journal of Clinical Cases 2024年第5期12卷 973-979页

作者： Yao-Bang Bai Feng Zhao Zhen-Hua Wu Guo-Ning Shi Nan Jiang Intensive Care Unit Department of Cardiac SurgeryTianjin Chest HospitalTianjin 300222China department of Cardiac surgery Tianjin Chest HospitalTianjin 300222China

BACKGROUND Venoarterial(VA)extracorporeal membrane oxygenation(ECMO),an effective short-term circulatory support method for refractory cardiogenic shock,is widely ***,retrospective analyses have shown that VA-ECMO-assisted cases were associated with a relatively high mortality rate of approximately 60%.Embolization in important organs caused by complications of left ventricular thrombosis(LVT)during VA-ECMO is also an important *** the incidence of LVT during VA-ECMO is not high,the consequences of embolization are *** SUMMARY A 37-year-old female patient was admitted to hospital because of fever for 4 d and palpitations for 3 *** excluding the diagnosis of coronary heart disease,we established a diagnosis of“clinically explosive myocarditis”.The patient still had unstable hemodynamics after drug treatment supported by VA-ECMO,with heparin for *** day 4 of ECMO support,a left ventricular thro-mbus attached to the papillary muscle root of the mitral valve was found by transthoracic *** ventricular decompression was performed and ECMO was successfully removed,but the patient eventually died of multiple cerebral *** LVT with high mobility during VA-ECMO may cause embolism in important ***,a"wait and see"strategy should be avoided.

关键词： Venoarterial extracorporeal membrane oxygenation Left ventricular thrombosis Cerebral embolism Magnetic Resonance Imaging Therapy Case report

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Mirizzi syndrome:Problems and strategies

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Hepatobiliary & Pancreatic Diseases International 2024年第3期23卷 234-240页

作者： Jun Wu Shuang-Yong Cai Xu-Liang Chen Zhi-Tao Chen Shao-Hua Shi department of Hepatobiliary and Pancreatic surgery People’s Hospital of Jiulongpo DistrictChongqing 400050China department of Hepatobiliary and Pancreatic surgery Shulan(Hangzhou)Hospital Affiliated to Zhejiang Shuren University Shulan International Medical CollegeHangzhou 310003China

Mirizzi syndrome is a serious complication of gallstone *** is caused by the impacted stones in the gallbladder neck or cystic *** of the features of Mirizzi syndrome is severe inflammation or dense fibrosis at the Calot’s *** our clinical practice,bile duct,branches of right hepatic artery and right portal vein clinging to gallbladder infundibulum are often observed due to gallbladder infundibulum adhered to right hepatic *** intraoperative damage of branches of right hepatic artery occurs more easily than that of bile duct,all of which are hidden pitfalls for *** resonance cholangiopancreatography(MRCP)and endoscopic retrograde cholangiopancreatography(ERCP)are the preferable tools for the diagnosis of Mirizzi *** cholecystectomy in Mirizzi syndrome is easy to damage branches of right hepatic artery and bile duct due to gallbladder infundibulum adhered to right hepatic *** cholecystectomy is an easy,safe and definitive approach to Mirizzi *** combined with the application of ERCP,a laparoscopic management of Mirizzi syndrome by well-trained surgeons is feasible and *** objective of this review was to highlight its existing problems:(1)low preoperative diagnostic rate,(2)easy to damage bile duct and branches of right hepatic artery,and(3)high concomitant gallbladder ***,the review aimed to discuss the possible therapeutic strategies:(1)to enhance its preoperative recognition by imaging findings,and(2)to avoid potential pitfalls during surgery.

关键词： Mirizzi syndrome Bile duct injury Artery injury Surgical treatment Subtotal cholecystectomy

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Complementary comments on metastatic liver lesions with exceptional and rare cases

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World Journal of Gastroenterology 2024年第7期30卷 770-773页

作者： Kemal Bugra Memis Sonay Aydin department of radiology Erzincan Binali Yıldırım UniversityFaculty of MedicineErzincan 24000Turkey

Liver metastases can appear in different forms in magnetic resonance *** to popular belief,while radiologists report hypovascular or hypervascular metastatic lesions,exceptional examples may be detected in various *** aim of this article is to improve this review by presenting rare and atypical examples of liver metastasis,as well as cases that might potentially be misdiagnosed as metastases during the process of differential diagnosis.

关键词： Hepatic lesions Magnetic resonance imaging Liver metastases Echinococcus alveolaris Prostate adenocarcinoma Appendix neuroendocrine tumor

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Activatable fluorescent probes for imaging and diagnosis of rheumatoid arthritis

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Military Medical Research 2024年第2期11卷 287-307页

作者： Pan Luo Fu-Qiang Gao Wei Sun Jun-You Li Cheng Wang Qing-Yu Zhang Zhi-Zhuo Li Peng Xu department of Joint surgery Honghui HospitalXi'an Jiaotong UniversityXi'an 710054China department of Orthopedics China-Japan Friendship HospitalBeijing 100029China department of Orthopaedic surgery of the Perelman School of Medicine University of PennsylvaniaPhiladelphiaPA 19104USA School of Mechanical Engineering Sungkyunkwan UniversitySuwon 16419South Korea department of Orthopaedic surgery Peking University Third HospitalPeking UniversityBeijing 100191China department of Orthopedics Shandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinan 250021China State Key Laboratory of Pharmaceutical Biotechnology Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower Hospitalthe Affiliated Hospital of Nanjing University Medical SchoolNanjing 210008China

Rheumatoid arthritis(RA)is a systemic autoimmune disease that is primarily manifested as synovitis and polyarticular opacity and typically leads to serious joint damage and irreversible disability,thus adversely affecting locomotion ability and life ***,good prognosis heavily relies on the early diagnosis and effective therapeutic monitoring of *** fluorescent probes play vital roles in the detection and imaging of biomarkers for disease diagnosis and in vivo ***,we review the fluorescent probes developed for the detection and imaging of RA biomarkers,namely reactive oxygen/nitrogen species(hypochlorous acid,peroxynitrite,hydroxyl radical,nitroxyl),pH,and cysteine,and address the related challenges and prospects to inspire the design of novel fluorescent probes and the improvement of their performance in RA studies.

关键词： Rheumatoid arthritis Fluorescent probe Imaging Diagnosis Biomarker

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