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| 1 | Rational integration of defense and repair synergy on PEEK osteoimplants via biomimetic peptide clicking strategy显示文摘Polyetheretherketone(PEEK)has been widely used as orthopedic and dental materials due to excellent mechanical and physicochemical tolerance.However,its biological inertness,poor osteoinduction,and weak antibacterial activity make the clinical applications in a dilemma.Inspired by the mussel adhesion mechanism,here we reported a biomimetic surface strategy for rational integration and optimization of anti-infectivity and osteo-inductivity onto PEEK surfaces using a mussel foot proteins(Mfps)-mimic peptide with clickable azido terminal.The peptide enables mussel-like adhesion on PEEK biomaterial surfaces,leaving azido groups for the further steps of biofunctionalizations.In this study,antimicrobial peptide(AMP)and osteogenic growth peptide(OGP)were bioorthogonally clicked on the azido-modified PEEK biomaterials to obtain a dual-effect of host defense and tissue repair.Since bioorthogonal clicking allows precise collocation between AMP and OGP through changing their feeding molar ratios,an optimal PEEK surface was finally obtained in this research,which could long-term inhibit bacterial growth,stabilize bone homeostasis and facilitate interfacial bone regeneration.In a word,this upgraded mussel surface strategy proposed in this study is promising for the surface bioengineering of inert medical implants,in particular,achieving rational integration of multiple biofunctions to match clinical requirements. | Meng Li Jiaxiang Bai Huaqiang Tao Li Hao Weiling Yin Xiaoxue Ren Ang Gao Ning Li Miao Wang Shiyuan Fang Yaozeng Xu Liang Chen Huilin Yang Huaiyu Wang Guoqing Pan Dechun Geng | 2022 | Bioactive Materials2022，7，2： | 2 |
| 2 | Interleukin-22 in the pathogenesis and potential treatment of liver diseases显示文摘Interleukin(IL)-22,a member of the IL-10 cytokine family,plays critical roles in tissue repair and host defense.IL-22 binds to its hetereodimeric receptor(R)composed of IL-22R1 and IL-10R2 and activates downstream signaling,including Signal transducer and activator of transcription 3(STAT3)pathways.IL-22 promotes the expression of survival genes in a STAT3-dependent manner.IL-22R1 expression is restricted mainly in epithelial cells while IL-10R2 is ubiquitously expressed in almost all cell types.In the liver,IL-22R1 is expressed in hepatocytes,liver progenitor cells,hepatic stellate cells and liver cancer cells.IL-22 protects the liver in various liver damage models and promotes liver regeneration after liver injury.IL-22 also helps to resolve liver fibrosis by inducing hepatic stellate cell senescence.IL-22 is considered a pro-inflammatory cytokine in viral hepatitis although it does not directly act on immune cells.IL-22 is reported to be involved in the development of liver cancer and in regulating energy metabolism.Studies on IL-22 in liver inflammation,injury and repair will provide valuable information to clarify IL-22 as a potential candidate for treating liver injury and fibrosis. | Shi Yin Dechun Feng | 2017 | Liver Research2017，1，3： | 1 |
| 3 | A novel sea-land segmentation based on integral image reconstruction in MWIR images显示文摘Dear editor,Middle wave infrared remote(MWIR)technology is the main approach in remote sensing applications,because thermal infrared can work all-time.The MWIR technology can provide valid object information in remote sensing technology than optical and synthetic aperture radar(SAR) | Yin ZHUANG Dechun GUO He CHEN Fukun BI Long MA Nouman Q.SOOMRO | 2017 | Science China(Information Sciences)2017，60，6： | 0 |
| 4 | Mechanisms of Myocardial Stunning in Stress-Induced Cardiomyopathy显示文摘Stress-induced cardiomyopathy,in contrast to acute myocardial infarction,is a type of acute heart failure characterized by reversible left ventricular dysfunction.Cardiac imaging primarily reveals left ventricle myocardial stunning,81.7%of which is apical type.Emotional or psychological stress usually precedes the onset of stress-induced cardiomyopathy,which is increasingly being recognized as a unique neurogenic myocardial stunning disease.To distinguish between acute myocardial infarction and acute viral or auto-immune myocarditis,this review summarizes specific mechanisms of myocardial stunning in stress-induced cardiomyopathy,such as calcium disorders,metabolic alterations,anatomical and histological variations in different parts of the left ventricle,and microvascular dysfunction. | Quanwei Pei Nadine Mbabazi Lina Zou Junpei Zhang Hongpeng Yin Bin Li Jiaxin Wang Weifa Wang Pengqi Lin Junjie Yang Dechun Yin | 2022 | Cardiovascular Innovations and Applications2022，7，3： | 0 |
| 5 | Role of Epicardial Adipose Tissue in Triggering and Maintaining Atrial Fibrillation显示文摘Atrial fibrillation is the most common arrhythmia leading to cardiogenic stroke.Without membranous sructure between epicardial adipose tissue and atrial myocardium,epicardial adipose tissue directly covers the surface of the atrial myocardium.The formation of an epicardial adipose tissue inflammatory microenvironment,fibrosis,infiltration by epicardial adipose tissue,autonomic dysfunction and oxidative stress are important mechanisms that trigger and maintain atrial fibrillation.Those mechanisms are reviewed herein. | Weifa Wang Yanfeng Tian Wei Wang Hongpeng Yin Dechun Yin Ye Tian | 2022 | Cardiovascular Innovations and Applications2022，7，3： | 0 |
| 6 | The Role of Sleep Deprivation in Arrhythmias显示文摘Sleep is essential to the normal psychological and physiological activities of the human body.Increasing evidence indicates that sleep deprivation is associated with the occurrence,development,and poor treatment effects of various arrhythmias.Sleep deprivation affects not only the peripheral nervous system but also the central nervous system,which regulates the occurrence of arrhythmias.In addition,sleep deprivation is associated with apoptotic pathways,mitochondrial energy metabolism disorders,and immune system dysfunction.Although studies increasingly suggest that pathological sleep patterns are associated with various atrial and ventricular arrhythmias,further research is needed to identify specific mechanisms and recommend therapeutic interventions.This review summarizes the findings of sleep deprivation in animal experiments and clinical studies,current challenges,and future research directions in the field of arrhythmias. | Wenlong Wang Hongpeng Yin Ge Sun Junpei Zhang Jingmei Sun Nadine Mbabazi Lina Zou Bin Li Pengqi Lin Quanwei Pei Xin Wang Penghe Wang Xuanrui Ji Xiufen Qu Dechun Yin | 2022 | Cardiovascular Innovations and Applications2022，7，3： | 0 |
| 7 | Termination of Recurrent Atrial Fibrillation by Superior Vena Cava Isolation: A Case Report显示文摘Background:Paroxysmal atrial fibrillation can be triggered by non-pulmonary vein foci,such as the superior vena cava.Here,we report the case of a patient with a 6-year history of paroxysmal atrial fibrillation who received cryoballoon ablation in 2012 but relapsed in 2014.He then received cardiac radiofrequency ablation,which successfully isolated the left pulmonary vein and superior vena cava,but the arrhythmia recently relapsed again.The tachycardia was finally successfully terminated by ablation on the free wall without recurrence during a 2-year following up.Conclusion:Superior vena cava isolation may not require ablation isolation with a full circle way and can be accomplished by ablating several connection points between the superior vena cava and the right atrium. | Hongpeng Yin Wenlong Wang Bin Li Xiufen Qu Shaojun Wang Dechun Yin | 2022 | Cardiovascular Innovations and Applications2022，7，3： | 0 |
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