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Characteristics of fMRI BOLD signal and its neurophysiological mechanism

Progress in Natural Science:Materials International 2007年第6期17卷 630-638页

作者： zhao xiaohu1,2. wu yigen3.and guo shengli3.1. college of life sciences,{2., hangzhou 3.0058, china 2. Imaging Department of Tongji Hospital of Tongji university, Shanghai 2.0065, china 3. college of Mathematics and Physics, Nanjing university of Information Science and Technology, Nanjing 2.0044, china) college of life {2. Zhejiang University Hangzhou 310058 China Imaging Department Tongji Hospital Tongji University Shanghai 200065 China college of Mathematics and Physics Nanjing University of Information Science and Technology Nanjing 210044 China

The functional magnetic resonance imaging (fMRI) based on blood oxygen level dependent (BOLD) contrast has emerged as one of the most potent noninvasive tools for mapping brain function and has been widely used to explore physiological, pathological changes and mental activity in the brain. Exploring the nature and property of BOLD signal has recently attracted more attentions. Despite that great progress has been made in investigation of the characteristics and neurophysiological basis, the exact nature of BOLD signal remains unclear. In this paper we discuss the characteristics of BOLD signals, the nonlinear BOLD response to external stimuli and the relation between BOLD signals and neural electrophysiological recordings. Furthermore, we develop our new opinions regarding nonlinear BOLD response and make some perspectives on future study.

关键词： functional magnetic resonance imaging blood oxygen level dependent nonlinear response neural electrophysiological activity.

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Transarterial chemoembolization with PD-(L)1 inhibitors plus molecular targeted therapies for hepatocellular carcinoma(CHANCE001)

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Signal Transduction and Targeted Therapy 2023年第3期8卷 1198-1207页

作者： Hai-Dong Zhu Hai-Liang Li Ming-Sheng Huang Wei-Zhu Yang guo-Wen Yin Bin-Yan Zhong Jun-Hui Sun Zhi-Cheng Jin Jian-Jian Chen Nai-Jian Ge Wen-Bin Ding Wen-Hui Li Jin-Hua Huang Wei Mu Shan-Zhi Gu Jia-Ping Li Hui zhao Shu-Wei Wen Yan-Ming Lei Yu-Sheng Song Chun-Wang Yuan Wei-Dong Wang Ming Huang Wei zhao Jian-Bing wu Song Wang Xu Zhu Jian-Jun Han Wei-Xin Ren Zai-Ming Lu Wen-Ge Xing Yong Fan Hai-Lan Lin Zi-Shu Zhang guo-Hui Xu Wen-Hao Hu Qiang Tu Hong-Ying Su Chuan-Sheng Zheng Yong Chen Xu-Ya zhao Zhu-Ting Fang Qi Wang Jin-Wei zhao Ai-Bing Xu Jian Xu Qing-Hua wu Huan-Zhang Niu Jian Wang Feng Dai Dui-Ping Feng Qing-Dong Li Rong-Shu Shi Jia-Rui Li Guang Yang Hai-Bin Shi Jian-Song Ji Yu-E Liu Zheng Cai Po Yang Yang zhao Xiao-Li Zhu Li-Gong Lu Gao-Jun Teng Center of Interventional Radiology&Vascular Surgery Department of RadiologyZhongda HospitalMedical SchoolSoutheast UniversityNanjing 210009China Department of Minimally invasive Intervention The Affiliated Cancer Hospital of Zhengzhou UniversityZhengzhou 450008China Department of Interventional Radiology the Third Affiliated HospitalSun Yat-Sen UniversityGuangzhou 510630China Department of Interventional Radiology Union Hospital of Fujian Medical UniversityFuzhou 350001China Department of Interventional Radiology Jiangsu Cancer Hospital&Jiangsu Institute of Cancer Research&The Affiliated Cancer Hospital of Nanjing Medical UniversityNanjing 210009China Department of Interventional Radiology The First Affiliated Hospital of Soochow UniversitySoochow UniversitySuzhou 215006China Hepatobiliary and Pancreatic Interventional Treatment Center Division of Hepatobiliary and Pancreatic SurgeryThe First Affiliated HospitalZhejiang University School of MedicineHangzhou 310003China Department of Interventional Radiology Eastern Hospital of Hepatobiliary SurgeryNavy Medical University(Second Military Medical University)Shanghai 200438China Department of Interventional Radiology Nantong First People’s HospitalNantong 226001China Department of Interventional Radiology Yancheng Third People’s HospitalYancheng 224008China Department of Minimally Invasive Interventional Therapy Sun YatSen University Cancer CenterGuangzhou 510060China Department of Vascular Surgery Southwest HospitalThird Military Medical University(Army Medical University)Chongqing 400038China. Department of Interventional Radiology Hunan Cancer HospitalChangsha 410031China Department of Interventional Oncology The First Affiliated Hospital of Sun Yat-sen UniversityGuangzhou 510080China Department of Interventional Radiology The Hospital of Nantong UniversityNantong 226001China Department of Interventional Therapy Shanxi Tumor HospitalTaiyuan 030001China Department of Interventional Radiology Tibet Autonomous Region People’s

There is considerable potential for integrating transarterial chemoembolization(TACE),programmed death-(ligand)1(PD-[L]1)inhibitors,and molecular targeted treatments(MTT)in hepatocellular carcinoma(HCC).It is necessary to investigate the therapeutic efficacy and safety of TACE combined with PD-(L)1 inhibitors and MTT in real-world *** this nationwide,retrospective,cohort study,82. HCC patients receiving either TACE plus PD-(L)1 blockades and MTT(combination group,n=376)or TACE monotherapy(monotherapy group,n=450)were included from January 2.18 to May *** primary endpoint was progression-free survival(PFS)according to modified *** secondary outcomes included overall survival(OS),objective response rate(ORR),and *** performed propensity score matching approaches to reduce bias between two *** matching,2.8 pairs were included with a predominantly advanced disease *** PFS in combination group was 9.5 months(95%confidence interval[CI],8.4-11.0)versus 8.0 months(95%CI,6.6-9.5)(adjusted hazard ratio[HR],0.70,P=0.002..OS and ORR were also significantly higher in combination group(median OS,19.2.16.1-2..3]vs.15.7 months[13.0-2..2.;adjusted HR,0.63,P=0.001;ORR,60.1%vs.32.0%;P1).Grade 3/4 adverse events were observed at a rate of 15.8%and 7.5%in combination and monotherapy groups,*** results suggest that TACE plus PD-(L)1 blockades and MTT could significantly improve PFS,OS,and ORR versus TACE monotherapy for Chinese patients with predominantly advanced HCC in real-world practice,with an acceptable safety profile.

关键词： hepatocellular targeted matching

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