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Staging liver fibrosis with various diffusion-weighted magnetic resonance imaging models

World Journal of Gastroenterology 2024年第9期30卷 1164-1176页

作者： Yan-Li Jiang Juan Li Peng-Fei Zhang Feng-Xian Fan Jie Zou Pin Yang Peng-Fei Wang Shao-Yu Wang Jing Zhang Department of Magnetic Resonance imaging The Second Hospital&Clinical Medical SchoolLanzhou UniversityLanzhou 730030Gansu ProvinceChina Second Clinical School Lanzhou UniversityLanzhou 730030Gansu ProvinceChina Gansu Province Clinical Research Center for Functional and Molecular imaging The Second Hospital&Clinical Medical SchoolLanzhou UniversityLanzhou 730030Gansu ProvinceChina Department of Hepatology The Second Hospital&Clinical Medical SchoolLanzhou UniversityLanzhou 730030Gansu ProvinceChina MR Scientific Marketing Siemens HealthineersXi’an 710065Shaanxi ProvinceChina

BACKGROUND Diffusion-weighted imaging(DWI)has been developed to stage liver ***,its diagnostic performance is inconsistent among ***,it is worth studying the diagnostic value of various diffusion models for liver fibrosis in one *** To evaluate the clinical potential of six diffusion-weighted models in liver fibrosis staging and compare their diagnostic *** This prospective study enrolled 59 patients suspected of liver disease and scheduled for liver biopsy and 17 healthy *** participants underwent multi-b value *** main DWI-derived parameters included Mono-apparent diffusion coefficient(ADC)from mono-exponential DWI,intravoxel incoherent motion model-derived true diffusion coefficient(IVIM-D),diffusion kurtosis imaging-derived apparent diffusivity(DKI-MD),stretched exponential model-derived distributed diffusion coefficient(SEM-DDC),fractional order calculus(FROC)model-derived diffusion coefficient(FROC-D)and FROC model-derived microstructural quantity(FROC-μ),and continuous-time random-walk(CTRW)model-derived anomalous diffusion coefficient(CTRW-D)and CTRW model-derived temporal diffusion heterogeneity index(CTRW-α).The correlations between DWI-derived parameters and fibrosis stages and the parameters’diagnostic efficacy in detecting significant fibrosis(SF)were assessed and *** CTRW-D(r=-0.356),CTRW-α(r=-0.297),DKI-MD(r=-0.297),FROC-D(r=-0.350),FROC-μ(r=-0.321),IVIM-D(r=-0.251),Mono-ADC(r=-0.362),and SEM-DDC(r=-0.263)were significantly correlated with fibrosis *** areas under the ROC curves(AUCs)of the combined index of the six models for distinguishing SF(0.697-0.747)were higher than each of the parameters alone(0.524-0.719).The DWI models’ability to detect SF was *** combined index of CTRW model parameters had the highest AUC(0.747).CONCLUSION The DWI models were similarly valuable in distinguishing SF in patients with liver *** combined index of CTRW paramet

关键词： liver fibrosis Magnetic resonance imaging Diffusion-weighted magnetic resonance liver biopsy Significant fibrosis

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liver transplantation and resection in patients with hepatocellular cancer and portal vein tumor thrombosis: Feasible and effective?

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Hepatobiliary & Pancreatic Diseases International 2024年第2期23卷 123-128页

作者： Prashant Bhangui Institute of liver Transplantation and Regenerative Medicine Medanta–The MedicitySector 38GurgaonDelhi NCR 122001India

Patients with locally advanced hepatocellular cancer(HCC)and portal vein tumor thrombosis(PVTT)have a dismal prognosis since limited treatment options are available for *** recent years,effective systemic therapy,and advances in the understanding of technicalities and effectiveness of ablative therapies especially radiotherapy,have given some hope to prolong survival in *** review summarized recent evidence in literature regarding the possible role of liver resection(LR)and liver transplantation(LT)in patients with locally advanced HCC and PVTT with no extrahepatic *** therapies have helped make curative resection or LT a reality in selected *** review emphasizes on the key points to focus on when considering surgery in these patients,who are usually relegated to palliative systemic therapy *** patient selection based on tumor biology,documented downstaging based on imaging and decrease in tumor marker levels,and an adequate waiting period to demonstrate stable disease,may help obtain satisfactory long-term outcomes post LR or LT in an intention to treat strategy in patients with HCC and PVTT.

关键词： Hepatocellular carcinoma Portal vein tumour thrombosis Downstaging therapies Living donor liver transplantation and resection Outcomes

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National guidelines for the diagnosis and treatment of hilar cholangiocarcinoma

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World Journal of Gastroenterology 2024年第9期30卷 1018-1042页

作者： Faisal Saud Dar Zaigham Abbas Irfan Ahmed Muhammad Atique Usman Iqbal Aujla Muhammad Azeemuddin Zeba Aziz Abu Bakar Hafeez Bhatti Tariq Ali Bangash Amna Subhan Butt Osama Tariq Butt Abdul Wahab Dogar Javed Iqbal Farooqi Faisal Hanif Jahanzaib Haider Siraj Haider Syed Mujahid Hassan Adnan Abdul Jabbar Aman Nawaz Khan Muhammad Shoaib Khan Muhammad Yasir Khan Amer Latif Nasir Hassan Luck Ahmad Karim Malik Kamran Rashid Sohail Rashid Mohammad Salih Abdullah Saeed Amjad Salamat Ghias-un-Nabi Tayyab Aasim Yusuf Haseeb Haider Zia Ammara Naveed Department of Hepatopancreatic Biliary Surgery&liver Transplant Pakistan Kidney and Liver Institute&Research CentreLahore 54000Pakistan Department of Hepatogastroenterology and liver Transplantation Dr.Ziauddin University HospitalKarachi 75600SindhPakistan University of Aberdeen Aberdeen B243FXUnited Kingdom Department of Pathology Pakistan Kidney and Liver Institute&Research CentreLahore 54000Pakistan Department of Gastroenterology&Hepatology Pakistan Kidney and Liver Institute&Research CentreLahore 54000Pakistan Department of Radiology Aga Khan UniversityKarachi 74800Pakistan Department of Oncology Hameed Latif HospitalLahore 54000Pakistan Division of Hepatopancreatic Biliary Surgery&liver Transplantation Shifa International HospitalIslamabad 44000Pakistan Department of Hepatopancreatic Biliary Surgery&liver Transplant Shaikh Zayed Hospital and Post Graduate Medical InstituteLahore 54000Pakistan Department of Medicine Aga Khan University HospitalKarachi 74800Pakistan Department of liver Transplant Pir Abdul Qadir Shah Jeelani Institute of Medical SciencesGambat 66020Pakistan Department of Medicine&Gastroenterology Lifecare Hospital and Research CentrePeshawar 25000Khyber PakhtunkhwaPakistan Department of Hepatopancreatobiliary&liver Transplant Bahria International HospitalLahore 54000Pakistan Department of Surgery Hepatopancreatobiliary&Liver TransplantDow University of Health SciencesKarachi 74800Pakistan Department of Gastroenterology Hepatology&NutritionPir Abdul Qadir Shah Jeelani Institute of Medical SciencesGambat 66020Pakistan Department of Oncology Dr.Ziauddin HospitalKarachi 74800Pakistan Department of Radiology Rehman Medical InstitutePeshawar 25000Pakistan Army liver Transplant unit Pak Emirates Military HospitalRawalpindi 46000Pakistan Department of Gastroenterology Sindh Institute of Urology and TransplantationKarachi 75500Pakistan Rashid Nursing Home and Cancer Clinic Rashid Nursing Home and Cancer ClinicRawalpindi 46000Pakistan Department of Gastroentero

A consensus meeting of national experts from all major national hepatobiliary centres in the country was held on May 26,2023,at the Pakistan Kidney and liver Institute&Research Centre(PKLI&RC)after initial consultations with the *** Pakistan Society for the Study of liver Diseases(PSSLD)and PKLI&RC jointly organised this *** effort was based on a comprehensive literature review to establish national practice guidelines for hilar cholangiocarcinoma(hCCA).The consensus was that hCCA is a complex disease and requires a multidisciplinary team approach to best manage these *** coordinated effort can minimise delays and give patients a chance for curative treatment and effective *** diagnostic and staging workup includes high-quality computed tomography,magnetic resonance imaging,and magnetic resonance *** cytology or biopsy utilizing endoscopic retrograde cholangiopancreatography is a mainstay for ***,histopathologic confirmation is not always required before *** ultrasound with fine needle aspiration of regional lymph nodes and positron emission tomography scan are valuable adjuncts for *** only curative treatment is the surgical resection of the biliary tree based on the Bismuth-Corlette *** patients with unresectable hCCA can be considered for liver *** chemotherapy should be offered to patients with a high risk of *** use of preoperative biliary drainage and the need for portal vein embolisation should be based on local multidisciplinary *** with acute cholangitis can be drained with endoscopic or percutaneous biliary *** chemotherapy with cisplatin and gemcitabine has shown improved survival in patients with irresectable and recurrent hCCA.

关键词： Hilar cholangiocarcinoma Bismuth-Corlette classification Memorial Sloan Kettering Cancer Centre Staging Preoperative biliary drainage Portal vein embolisation Surgical resection Hepatectomy

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4-Nitrocatechol as a novel matrix for low-molecular-weight compounds in situ detection and imaging in biological tissues by MALDI-MSI

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Chinese Chemical Letters 2024年第6期35卷 486-490页

作者： Hualei Xu Manman Han Haiqiang Liu Liang Qin Lulu Chen Hao Hu Ran Wu Chenyu Yang Hua Guo Jinrong Li Jinxiang Fu Qichen Hao Yijun Zhou Jinchao Feng Xiaodong Wang Key Laboratory of Mass Spectrometry imaging and Metabolomics(Minzu University of China) State Ethnic Affairs CommissionBeijing 100081China College of Life and Environmental Sciences Centre for Imaging&Systems BiologyMinzu University of ChinaBeijing 100081China

Low-molecular-weight(LMW)compounds are ubiquitous in living organisms and play essential roles in biological *** direct analysis of LMW compounds in biological tissues by matrix-assisted laser desorption/ionization mass spectrometry imaging(MALDI-MSI)could provide a more comprehensive understanding of their essential ***,we evaluated 4-nitrocatechol(4-NC)as a novel positive-ion matrix for enhancing in situ detection and imaging of LMW compounds from the rat liver,brain,and germinating Chinese-yew seed by *** results showed that the 4-NC possessed remarkable features,including strong ultraviolet absorption,uniform matrix crystal,excellent chemical stability,and fewer matrix-related background *** use of 4-NC led to the successful detection of 232,218,and193 LMW compounds from the three abovementioned tissue sections,***,the use of 4-NC improved the imaging quality of LMW compounds in tissue sections through MALDI-MSI and has the potential as a matrix for MALDI tissue imaging of LMW compounds.

关键词： MALDI-MSI 4-Nitrocatechol LMW compounds In situ detection Tissue imaging

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Pre-operative enhanced magnetic resonance imaging combined with clinical features predict early recurrence of hepatocellular carcinoma after radical resection

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World Journal of Gastrointestinal Oncology 2024年第4期16卷 1192-1203页

作者： Jian-Ping Chen Ri-Hui Yang Tian-Hui Zhang Li-An Liao Yu-Ting Guan Hai-Yang Dai Department of Intervention Meizhou People’s HospitalMeizhou 514031Guangdong ProvinceChina Department of Medical imaging Meizhou People’s HospitalMeizhou 514031Guangdong ProvinceChina Department of Medical imaging Huizhou Municipal Central HospitalHuizhou 516001Guangdong ProvinceChina

BACKGROUND Indentifying predictive factors for postoperative recurrence of hepatocellular carcinoma(HCC)has great significance for patient *** To explore the value of gadolinium ethoxybenzyl diethylenetriamine pentaacetic acid(Gd-EOB-DTPA)enhanced magnetic resonance imaging(MRI)combined with clinical features in predicting early recurrence of HCC after *** A total of 161 patients with pathologically confirmed HCC were *** patients were divided into early recurrence and non-early recurrence group based on the follow-up *** clinical,laboratory,pathological results and Gd-EOB-DTPA enhanced MRI imaging features were *** Of 161 patients,73 had early recurrence and 88 were had non-early *** analysis showed that patient age,gender,serum alpha-fetoprotein level,the Barcelona Clinic liver Cancer stage,China liver cancer(CNLC)stage,microvascular invasion(MVI),pathological satellite focus,tumor size,tumor number,tumor boundary,tumor capsule,intratumoral necrosis,portal vein tumor thrombus,large vessel invasion,nonperipheral washout,peritumoral enhancement,hepatobiliary phase(HBP)/tumor signal intensity(SI)/peritumoral SI,HBP peritumoral low signal and peritumoral delay enhancement were significantly associated with early recurrence of HCC after *** logistic regression analysis showed that patient age,MVI,CNLC stage,tumor boundary and large vessel invasion were independent predictive *** data validation indicated that the area under the curve of the combined predictors was 0.861,suggesting that multivariate logistic regression was a reasonable predictive model for early recurrence of *** Gd-EOB-DTPA enhanced MRI combined with clinical features would help predicting the early recurrence of HCC after operation.

关键词： Hepatocellular carcinoma Enhanced magnetic resonance imaging Microvascular invasion Hepatobiliary phase Recurrence

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Gallbladder carcinosarcoma with a poor prognosis: A case report

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World Journal of Clinical Cases 2024年第10期12卷 1817-1823页

作者： Yi Dai Min Meng Qi-Zhi Luo Yuan-Jun Liu Fan Xiao Chun-Hua Wang Department of Hepatobiliary Surgery Suining Central HospitalSuining 629000Sichuan ProvinceChina The Cancer Center Suining Central HospitalSuining 629000Sichuan ProvinceChina Department of Pathology Suining Central HospitalSuining 629000Sichuan ProvinceChina Department of liver Surgery&liver Transplantation West China Hospital of Sichuan UniversityChengdu 610041Sichuan ProvinceChina

BACKGROUND Carcinosarcoma of the gallbladder is a rare malignant tumor with a very poor *** date,only approximately 100 patients have been reported in the English *** prognosis of this tumor type is poor,the preoperative diagnosis is difficult,and there is a possibility of a *** present an unsuccessful case of carcinosarcoma of the gallbladder with a preoperative misdiagnosis and rapid early postoperative ***,we have a deeper understanding of the poor prognosis of gallbladder carcinosarcoma(GBC)*** SUMMARY The patient is a 65-year-old *** was admitted to the hospital because of right upper abdomen distending pain and discomfort for half a *** magnetic resonance imaging revealed a polycystic mass in the right lobe of the liver and the fossa of the *** admission,the patient was diagnosed with a liver abscess,which was treated by abscess puncture ***,this treatment was *** and cholecystectomy were performed one month after the *** pathologic examination revealed carcinosarcoma of the gallbladder,and the resected specimen contained two tumor *** month after surgery,the patient's tumor recurred in situ and started to compress the duodenum,resulting in duodenal obstruction and *** treatment was not *** patient died of gastrointestinal hemorrhage and hypovolemic *** Carcinosarcoma of the gallbladder is a rare malignant tumor that is easily misdiagnosed preoperatively and has a poor prognosis.

关键词： Gallbladder disease Carcinosarcoma Misdiagnosis Poor prognosis Pathological diagnosis Recurrence Case report

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Understanding of Five Grains for YANG:a way to straighten Asians’dietary structure

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Food and Health 2024年第3期6卷 18-19页

作者： Jing-Chao Ma Cai-Jie Zhang Wen-Li Zhao Ye Zhao* Intelligent imaging College He UniversityShenyang 110163China.2 Liver CenterSaga University HospitalSaga University 849-8501Japan.3 Department of Public HealthInternational CollegeKrirk UniversityBangkok 10220Thailand.

According to the general opinion,grains should occupy the largest amount of human food each day,but this grain-based eating habit does not allow human life to be *** are high in carbohydrates and five commonly recognized plant hormones,namely auxin,gibberellin,cytokinin,abscisic acid,and *** in-depth analysis of ancient books,it was found that five grains for support:support is a restriction,and it means the essence,which means that grains should be eaten less,and it is the essence of the least daily *** correctly understand the Chinese dietary concept of"five grains for support"is the basis for improving Asian dietary health and promoting Asian human health.

关键词： Grains Hormones Carbohydrates Eating habits

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Nutrient restriction-activated Fra-2 promotes tumor progression via IGF1R in miR-15a downmodulated pancreatic ductal adenocarcinoma

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Signal Transduction and Targeted Therapy 2024年第3期9卷 1132-1146页

作者： Gian Luca Rampioni Vinciguerra Marina Capece Luca Reggiani Bonetti Giovanni Nigita Federica Calore Sydney Rentsch Paolo Magistri Roberto Ballarin Fabrizio Di Benedetto Rosario Distefano Roberto Cirombella Andrea Vecchione Barbara Belletti Gustavo Baldassarre Francesca Lovat Carlo M.Croce Department of Cancer Biology and Genetics and Comprehensive Cancer Center The Ohio State UniversityColumbus 43210 OHUSA Department of Clinical and Molecular Medicine Faculty of Medicine and PsychologySant’Andrea HospitalUniversity of Rome“Sapienza”Rome 00189Italy Department of Diagnostic Clinic and Public Health MedicineUniversity of Modena and Reggio EmiliaModena 41100Italy Hepato-pancreato-biliary Surgery and liver Transplantation unit University of Modena and Reggio EmiliaModena 41100Italy Division of Molecular Oncology Centro di Riferimento Oncologico di Aviano(CRO)Istituto di Ricovero e Cura a Carattere Scientifico(IRCCS)National Cancer InstituteAviano 33081Italy

Pancreatic ductal adenocarcinoma(PDAC)is a lethal disease,characterized by an intense desmoplastic reaction that compresses blood vessels and limits nutrient *** aggressiveness largely relies on its extraordinary capability to thrive and progress in a challenging tumor *** of the onco-suppressor miR-15a has been extensively documented in ***,we identified the transcription factor Fos-related antigen-2(Fra-2)as a miR-15a target mediating the adaptive mechanism of PDAC to nutrient *** report that the IGF1 signaling pathway was enhanced in nutrient deprived PDAC cells and that Fra-2 and IGF1R were significantly overexpressed in miR-15a downmodulated PDAC ***,we discovered that miR-15a repressed IGF1R expression via Fra-2 *** miR-15a-low context,IGF1R hyperactivated mTOR,modulated the autophagic flux and sustained PDAC growth in nutrient *** a genetic mouse model,Mir15aKO PDAC showed Fra-2 and Igf1r upregulation and mTOR activation in response to diet ***,nutrient restriction improved the efficacy of IGF1R inhibition in a Fra-2 dependent ***,our results point to a crucial role of Fra-2 in the cellular stress response due to nutrient restriction typical of pancreatic cancer and support IGF1R as a promising and vulnerable target in miR-15a downmodulated PDAC.

关键词： IGF1R Fra miR

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De Novo Dissecting the Three‑Dimensional Facial Morphology of 2379 Han Chinese Individuals

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Phenomics 2024年第1期4卷 1-12页

作者： Hui Qiao Jingze Tan Shaoqing Wen Menghan Zhang Shuhua Xu Li Jin State Key Laboratory of Genetic Engineering Center for Evolutionary BiologyCollaborative Innovation Center for Genetics and DevelopmentSchool of Life SciencesFudan UniversityShanghai 200438China Ministry of Education Key Laboratory of Contemporary Anthropology Human Phenome InstituteZhangjiang Fudan International Innovation CenterFudan UniversityShanghai 201203China Institute of Archaeological Science Fudan UniversityShanghai 200433China Institute of Modern Languages and Linguistics Fudan UniversityShanghai 200433China Department of liver Surgery and Transplantation liver Cancer Institute Zhongshan HospitalFudan UniversityShanghai 200032China

Phenotypic diversity,especially that of facial morphology,has not been fully investigated in the Han Chinese,which is the largest ethnic group in the *** this study,we systematically analyzed a total of 14,838 facial traits representing 15 categories with both a large-scale three-dimensional(3D)manual landmarking database and computer-aided facial segmented phenotyping in 2379 Han Chinese *** results illustrate that homogeneous and heterogeneous facial morphological traits exist among Han Chinese populations across the three geographical regions:Zhengzhou,Taizhou,and *** identifed 1560 shared features from extracted phenotypes,which characterized well the basic facial morphology of the Han *** particular,heterogeneous phenotypes showing population structures corresponded to geographical *** greatest facial variation among these geographical populations was the angle of glabella,left subalare,and right cheilion(p=3.4×10^(−161)).Interestingly,we found that Han Chinese populations could be classifed into northern Han,central Han,and southern Han at the phenotypic level,and the facial morphological variation pattern of central Han Chinese was between the typical diferentiation of northern and southern Han *** result was highly consistent with the results revealed by the genetic *** fndings provide new insights into the analysis of multidimensional phenotypes as well as a valuable resource for further facial phenotype-genotype association studies in Han Chinese and East Asian populations.

关键词： Phenotypes Three-dimensional facial imaging Facial morphology Han Chinese

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[^(18)F]MAGL-4-11 positron emission tomography molecular imaging of monoacylglycerol lipase changes in preclinical liver fibrosis models

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Acta Pharmaceutica Sinica B 2022年第1期12卷 308-315页

作者： Tuo Shao Zhen Chen Jian Rong Vasily Belov Jiahui Chen Andre Jeyarajan Xiaoyun Deng Hualong Fu Qingzhen Yu Steve H.Rwema Wenyu Lin Mikhail Papisov Lee Josephson Raymond T.Chung Steven H.Liang Division of Nuclear Medicine and Molecular imaging Department of RadiologyMassachusetts General Hospital and Harvard Medical SchoolBostonmA 02114USA liver Center and Gastrointestinal Division Department of MedicineMassachusetts General HospitalHarvard Medical SchoolBostonA 02114USA Shriners Hospitals for Children-Boston Boston BostonMA 02114USA

Monoacylglycerol lipase(MAGL) is a pivotal enzyme in the endocannabinoid system, which metabolizes 2-arachidonoylglycerol(2-AG) into the proinflammatory eicosanoid precursor arachidonic acid(AA). MAGL and other endogenous cannabinoid(EC) degrading enzymes are involved in the fibrogenic signaling pathways that induce hepatic stellate cell(HSC) activation and ECM accumulation during chronic liver disease. Our group recently developed an;F-labeled MAGL inhibitor([18F]MAGL-4-11)for PET imaging and demonstrated highly specific binding in vitro and in vivo. In this study, we determined [18F]MAGL-4-11 PET enabled imaging MAGL levels in the bile duct ligation(BDL) and carbon tetrachloride(CCl_(4)) models of liver cirrhosis;we also assessed the hepatic gene expression of the enzymes involved with EC system including MAGL, NAPE-PLD, FAAH and DAGL that as a function of disease severity in these models;[18F]MAGL-4-11 autoradiography was performed to assess tracer binding in frozen liver sections both in animal and human. [18F]MAGL-4-11 demonstrated reduced PET signals in early stages of fibrosis and further significantly decreased with disease progression compared with control mice. We confirmed MAGL and FAAH expression decreases with fibrosisseverity, while its levels in normal liver tissue are high;in contrast, the EC synthetic enzymes NAPE-PLD and DAGL are enhanced in these different fibrosis models. In vitro autoradiography further supported that[18F]MAGL-4-11 bound specifically to MAGL in both animal and human fibrotic liver tissues. Our PET ligand [18F]MAGL-4-11 shows excellent sensitivity and specificity for MAGL visualization in vivo and accurately reflects the histological stages of liver fibrosis in preclinical models and human liver tissues.

关键词： [18F]MAGL-4-11 PET imaging liver fibrosis MAGL

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