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您的检索式：作者名="Siwen Quan"
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| 1 | RANSACs for 3D Rigid Registration:A Comparative Evaluation显示文摘Estimating an accurate six-degree-of-freedom(6-Do F)pose from correspondences with outliers remains a critical issue to 3D rigid registration.Random sample consensus(RANSAC)and its variants are popular solutions to this problem.Although there have been a number of RANSAC-fashion estimators,two issues remain unsolved.First,it is unclear which estimator is more appropriate to a particular application.Second,the impacts of different sampling strategies,hypothesis generation methods,hypothesis evaluation metrics,and stop criteria on the overall estimators remain ambiguous.This work fills these gaps by first considering six existing RANSAC-fashion methods and then proposing eight variants for a comprehensive evaluation.The objective is to thoroughly compare estimators in the RANSAC family,and evaluate the effects of each key stage on the eventual 6-Do F pose estimation performance.Experiments have been carried out on four standard datasets with different application scenarios,data modalities,and nuisances.They provide us with input correspondence sets with a variety of inlier ratios,spatial distributions,and scales.Based on the experimental results,we summarize remarkable outcomes and valuable findings,so as to give practical instructions to real-world applications,and highlight current bottlenecks and potential solutions in this research realm. | Jiaqi Yang Zhiqiang Huang Siwen Quan Zhiguo Cao Yanning Zhang | 2022 | IEEE/CAA Journal of Automatica Sinica2022，9，10： | 2 |
| 2 | RBM4 dictates ESCC cell fate switch from cellular senescence to glutamine-addiction survival through inhibiting LKB1-AMPK-axis显示文摘Cellular senescence provides a protective barrier against tumorigenesis in precancerous or normal tissues upon distinct stressors.However,the detailed mechanisms by which tumor cells evade premature senescence to malignant progression remain largely elusive.Here we reported that RBM4 adversely impacted cellular senescence to favor glutamine-dependent survival of esophageal squamous cell carcinoma(ESCC)cells by dictating the activity of LKB1,a critical governor of cancer metabolism.The level of RBM4 was specifically elevated in ESCC compared to normal tissues,and RBM4 overexpression promoted the malignant phenotype.RBM4 contributed to overcome H-RAS-or doxorubicin-induced senescence,while its depletion caused P27-dependent senescence and proliferation arrest by activating LKB1-AMPK-mTOR cascade.Mechanistically,RBM4 competitively bound LKB1 to disrupt the LKB1/STRAD/MO25 heterotrimeric complex,subsequently recruiting the E3 ligase TRIM26 to LKB1,promoting LKB1 ubiquitination and degradation in nucleus.Therefore,such molecular process leads to bypassing senescence and sustaining cell proliferation through the activation of glutamine metabolism.Clinically,the ESCC patients with high RBM4 and low LKB1 have significantly worse overall survival than those with low RBM4 and high LKB1.The RBM4 high/LKB1 low expression confers increased sensitivity of ESCC cells to glutaminase inhibitor CB-839,providing a novel insight into mechanisms underlying the glutamine-dependency to improve the efficacy of glutamine inhibitors in ESCC therapeutics. | Lei Chen Wenjing Zhang Dan Chen Quan Yang Siwen Sun Zhenwei Dai Zhengzheng Li Xuemei Liang Chaoqun Chen Yuexia Jiao Lili Zhi Lianmei Zhao Jinrui Zhang Xuefeng Liu Jinyao Zhao Man Li Yang Wang Yangfan Qi | 2023 | Signal Transduction and Targeted Therapy2023，8，5： | 0 |
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