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Hierarchical Spinning of Janus Textiles with Anisotropic Wettability for Wound Healing

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Research 2024年第1期2023卷 97-105页

作者： Han Zhang Lingyu Sun Jiahui Guo Yuanjin Zhao Department of Rheumatology and Immunology Nanjing Drum Tower HospitalSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjingJiangsu 210096China oujiang laboratory(zhejiang Lab for regenerative medicine Vision and Brain Health)Wenzhou InstituteUniversity of Chinese Academy of SciencesWenzhouZhejiang 325001China

Wound healing and tissue repair are recognized as basic human health problems *** to accelerate the reparative process are focused on developing functional wound ***,we present novel Janus textiles with anisotropic wettability from hierarchical microfluidic spinning for wound *** hydrophilic hydrogel microfibers from microfluidics are woven into textiles for freeze-drying treatment,followed by the deposition of electrostatic spinning nanofibers composed of hydrophobic polylactic acid(PLA)and silver *** electrospun nanofiber layer can be well coupled with the hydrogel microfiber layer to generate Janus textiles with anisotropic wettability due to the roughness of the hydrogel textile surface and the incomplete evaporation of PLA solution when reaching the *** wound treatment with the hydrophobic PLA side contacting the wound surface,the wound exudate can be pumped from the hydrophobic to the hydrophilic side based on the wettability differential derived drainage *** this process,the hydrophobic side of the Janus textile can prevent excess fluid from infiltrating the wound again,preventing excessive moisture and preserving the breathability of the *** addition,the silver nanoparticles contained in the hydrophobic nanofibers could impart the textiles with good antibacterial effect,which further promote the wound healing *** features indicate that the described Janus fiber textile has great application potential in the field of wound treatment.

关键词： silver spinning healing

A novel FGFR1 inhibitor CYY292 suppresses tumor progression,invasion,and metastasis of glioblastoma by inhibiting the Akt/GSK3β/snail signaling axis

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Genes & Diseases 2024年第1期11卷 479-494页

作者： Yanran Bi Ruiling Zheng Jiahao Hu Ruiqing Shi Junfeng Shi Yutao Wang Peng Wang Wenyi Jiang Gyudong Kim Zhiguo Liu Xiaokun Li Li Lin School of Pharmaceutical Science Wenzhou Medical UniversityWenzhouZhejiang 325035China College of Pharmacy and Research Institute of Drug Development Chonnam National UniversityGwangju 61186Republic of Korea Department of Dermatology Wenzhou Hospital of Integrated Traditional Chinese and Western MedicineWenzhouZhejiang 325000China zhejiang Lab for regenerative medicine Oujiang LaboratoryWenzhouZhejiang 325035China

Glioblastoma(GBM)is a malignant brain tumor that grows quickly,spreads widely,and is resistant to *** growth factor receptor(FGFR)1 is a receptor tyrosine kinase that regulates cellular processes,including proliferation,survival,migration,and ***1 was predominantly expressed in GBM tissues,and FGFR1 expression was negatively correlated with overall *** rationally designed a novel small molecule CYY292,which exhibited a strong affinity for the FGFR1 protein in GBM cell lines in ***292 also exerted an effect on the conserved Ser777 residue of ***292 dose-depen-dently inhibited cell proliferation,epithelial-mesenchymal transition,stemness,invasion,and migration in vitro by specifically targeting the FGFR1/AKT/Snail pathways in GBM cells,and this effect was prevented by pharmacological inhibitors and critical gene *** vivo experiments revealed that CYY292 inhibited U87MG tumor growth more effectively than ***292 also efficiently reduced GBM cell proliferation and increased survival in orthotopic GBM *** study further elucidates the function of FGFR1 in the GBM and reveals the effect of CYY292,which targets FGFR1,on downstream signaling pathways directly reducing GBM cell growth,invasion,and metastasis and thus impairing the recruitment,activation,and function of immune cells.

关键词： Blood-brain barrier EMT FGFR1 FGFR1 inhibitor Glioblastoma

Biomimetic Gland Models with Engineered Stratagems

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Research 2024年第2期2023卷 583-612页

作者： Xiang Lin Lingyu Sun Minhui Lu Yuanjin Zhao Department of Rheumatology and Immunology Nanjng Drum Tower HospitalSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjing 210096China oujiang laboratory(zhejiang Lab for regenerative medicine Vision and Brain Health)Wenzhou InstituteUniversity of Chinese Academy of SciencesWenzhouZhejiang 325001China Southeast University Shenzhen Research Institute Shenzhen 518071China

As extensively distributed tissues throughout the human body,glands play a critical role in various physiological ***,the construction of biomimetic gland models in vitro has aroused great interest in multiple *** the biological field,the researchers focus on optimizing the cell sources and culture techniques to reconstruct the specific structures and functions of glands,such as the emergence of organoid *** the perspective of biomedical engineering,the generation of biomimetic gland models depends on the combination of engineered scaffolds and microfluidics,to mimic the in vivo environment of glandular *** engineered stratagems endowed gland models with more biomimetic features,as well as a wide range of application *** this review,we first describe the biomimetic strategies for constructing different in vitro gland models,focusing on the role of microfluidics in promoting the structure and function development of biomimetic *** summarizing several common in vitro models of endocrine and exocrine glands,the applications of gland models in disease modelling,drug screening,regenerative medicine,and personalized medicine are ***,we conclude the current challenges and our perspective of these biomimetic gland models.

关键词： endowed constructing strata

A commentary of“Unravelling the mechanisms of human genomic‘dark matter’in driving aging”:Top 10 Scientific Advances of 2023,China

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Fundamental Research 2024年第3期4卷 693-694页

作者： Zhao Wang Chenglin Guo Weihong Song oujiang laboratory(zhejiang Lab for regenerative medicine Vision and Brain Health)Institute of AgingKey Laboratory of Alzheimer's Disease of Zhejiang Provincethe Second Affiliated HospitalWenzhou Medical UniversityWenzhou 325035China

Aging is related to physiological decline and the development of chronic diseases,yet molecular changes and mechanisms underlying the aging process remain *** certain“dark matter”,such as transposable elements with viral origins in the genome,be activated and participate in the aging process?Excitingly,a study by Liu and colleagues revealed that the reactivation of endogenous retroviruses(ERVs)during aging enhances senescence[1].By using cross-species models and multiple techniques,the team uncovered the unusual role of ERV reactivation as a hallmark and driver of *** authors identified that ERV expression is associated with cellular and tissue aging(Fig.1).They found that the accumulation of human ERV group K(HERVK)retrovirus-like particles(RVLPs)mediates aging-promoting effects in recipient cells.

关键词： aging mechanisms driving

Spatial transcriptomics:recent developments and insights in respiratory research

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Military Medical Research 2024年第3期11卷 430-448页

作者： Wen-Jia Wang Liu-Xi Chu Li-Yong He Ming-Jing Zhang Kai-Tong Dang Chen Gao Qin-Yu Ge Zhou-Guang Wang Xiang-Wei Zhao State Key laboratory of Bioelectronics School of Biological Science and Medical EngineeringSoutheast UniversityNanjing 210096China oujiang laboratory(zhejiang Lab for regenerative medicine Vision and Brain Health)School of Pharmaceutical SciencesWenzhou Medical UniversityWenzhou 325035ZhejiangChina Orthopaedic Bioengineering Research Group Division of Surgery and Interventional ScienceUniversity College LondonLondon HA74LPUK

The respiratory system's complex cellular heterogeneity presents unique challenges to researchers in this *** bulk RNA sequencing and single-cell RNA sequencing(scRNA-seq)have provided insights into cell types and heterogeneity in the respiratory system,the relevant specific spatial localization and cellular interactions have not been clearly *** transcriptomics(ST)has filled this gap and has been widely used in respiratory *** review focuses on the latest iterative technology of ST in recent years,summarizing how ST can be applied to the physiological and pathological processes of the respiratory system,with emphasis on the ***,the current challenges and potential development directions are proposed,including high-throughput full-length transcriptome,integration of multi-omics,temporal and spatial omics,bioinformatics analysis,*** viewpoints are expected to advance the study of systematic mechanisms,including respiratory studies.

关键词： Spatial transcriptomics Lung Tumor Spatial multi-omics

Living Chinese Herbal Scaffolds from Microfluidic Bioprinting for Wound Healing

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Research 2024年第1期2023卷 107-118页

作者： Xiaocheng Wang Jinxuan Jia Mengying Niu Wenzhao Li Yuanjin Zhao Department of Rheumatology and Immunology Nanjing Drum Tower HospitalSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjing 210096China oujiang laboratory(zhejiang Lab for regenerative medicine Vision and Brain Health)Wenzhou InstituteUniversity of Chinese Academy of SciencesWenzhouZhejiang 325001China State Key laboratory of Bioelectronics School of Biological Science and Medical EngineeringSoutheast UniversityNanjing 210096China Chemistry and Biomedicine Innovation Center Nanjing UniversityNanjing 210023China

Biological scaffolds have been widely employed in wound healing applications,while their practical efficiency is compromised by insufficient oxygen delivery to the 3-dimensional constructs and inadequate nutrient supply for the long-term healing ***,we present an innovative living Chinese herbal scaffold to provide a sustainable oxygen and nutrient supply for promoting wound *** a facile microfluidic bioprinting strategy,a traditional Chinese herbal medicine(Panax notoginseng saponins[PNS])and a living autotrophic microorganism(microalgae Chlorella pyrenoidosa[MA])were successfully encapsulated into the *** encapsulated PNS could be gradually released from the scaffolds,which promoted cell adhesion,proliferation,migration,and tube formation in *** addition,benefiting from the photosynthetic oxygenation of the alive MA,the obtained scaffolds would produce sustainable oxygen under light illumination,exerting a protective effect against hypoxia-induced cell *** on these features,we have demonstrated through in vivo experiments that these living Chinese herbal scaffolds could efficiently alleviate local hypoxia,enhance angiogenesis,and thereby accelerate wound closure in diabetic mice,indicating their great potential in wound healing and other tissue repair applications.

关键词： healing wound protective

FGF4 protects the liver from immune-mediated injury by activating CaMKKβ-PINK1 signal pathway to inhibit hepatocellular apoptosis

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Acta Pharmaceutica Sinica B 2024年第6期14卷 1605-1623页

作者： Zhifeng Huang Tongtong Pan Liang Xu Lu Shi Xiong Ma Liya Zhou Luyao Wang Jiaojiao Wang Guoqing Zhu Dazhi Chen Lingtao Song Xiaomin Pan Xiaodong Wang Xiaokun Li Yongde Luo Yongping Chen Hepatology Diagnosis and Treatment Center Zhejiang Provincial Key Laboratory for Accurate Diagnosis and Treatment of Chronic Liver Diseasesthe First Affiliated Hospital of Wenzhou Medical UniversityWenzhou 325035China oujiang laboratory(zhejiang Lab for regenerative medicine Vision and Brain Health)&School of Pharmaceutical SciencesWenzhou Medical UniversityWenzhou 325035China School of laboratory medicine and Life Sciences Wenzhou Medical University&Key Laboratory of Laboratory MedicineMinistry of EducationWenzhou Medical UniversityWenzhou 325035China Division of Gastroenterology and Hepatology Key Laboratory of Gastroenterology and HepatologyMinistry of HealthState Key Laboratory for Oncogenes and Related GenesRenji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai 200001China Hangzhou Medical College Hangzhou 311300China

Immune-mediated liver injury (ILI) is a condition where an aberrant immune response due to various triggers causes the destruction of hepatocytes. Fibroblast growth factor 4 (FGF4) was recently identified as a hepatoprotective cytokine;however, its role in ILI remains unclear. In patients with autoimmune hepatitis (type of ILI) and mouse models of concanavalin A (ConA)- or S-100-induced ILI, we observed a biphasic pattern in hepatic FGF4 expression, characterized by an initial increase followed by a return to basal levels. Hepatic FGF4 deficiency activated the mitochondria-associated intrinsic apoptotic pathway, aggravating hepatocellular apoptosis. This led to intrahepatic immune hyper-reactivity, inflammation accentuation, and subsequent liver injury in both ILI models. Conversely, administration of recombinant FGF4 reduced hepatocellular apoptosis and rectified immune imbalance, thereby mitigating liver damage. The beneficial effects of FGF4 were mediated by hepatocellular FGF receptor 4, which activated the Ca^(2+)/calmodulin-dependent protein kinasekinase 2 (CaMKKβ) and its downstream phosphatase and tensin homologue-induced putative kinase 1 (PINK1)-dependent B-cell lymphoma 2-like protein 1-isoform L (Bcl-XL) signalling axis in the mitochondria. Hence, FGF4 serves as an early response factor and plays a protective role against ILI, suggesting a therapeutic potential of FGF4 and its analogue for treating clinical immune disorder-related liver injuries.

关键词： Fibroblast growthfactor 4 Fibroblast growth factor receptor 4 Immune liver injury Ca^(2+)/Calmodulin dependent protein

Targeting the adenosine A2A receptor for neuroprotection and cognitive improvement in traumatic brain injury and Parkinson's disease

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Chinese Journal of Traumatology 2024年第3期27卷 125-133页

作者： Yan Zhao Yuan-Guo Zhou Jiang-Fan Chen Department of Army Occupational Disease State Key Laboratory of TraumaBurns and Combined InjuryResearch Institute of SurgeryDaping HospitalArmy Medical University.Chongqing400042China The Molecular Neuropharmacology laboratory and the Eye-Brain Research Center The State Key Laboratory of OphthalmologyOptometry and Vision ScienceWenzhou Medical UniversityWenzhou325035Zhejiang ProvinceChina oujiang laboratory(zhejiang Lab for regenerative medicine Vision and Brain Health)Wenzhou325035Zhejiang ProvinceChina

Adenosine exerts its dual functions of homeostasis and neuromodulation in the brain by acting at mainly 2 G-protein coupled receptors,called A1 and A2A *** adenosine A2A receptor(A2AR)antagonists have been clinically pursued for the last 2 decades,leading to final approval of the istradefylline,an A2AR antagonist,for the treatment of OFF-Parkinson's disease(PD)*** approval paves the way to develop novel therapeutic methods for A2AR antagonists to address 2 major unmet medical needs in PD and traumatic brain injury(TBI),namely neuroprotection or improving *** this review,we first consider the evidence for aberrantly increased adenosine signaling in PD and TBI and the sufficiency of the increased A2AR signaling to trigger neurotoxicity and cognitive *** further discuss the increasing preclinical data on the reversal of cognitive deficits in PD and TBI by A2AR antagonists through control of degenerative proteins and synaptotoxicity,and on protection against TBI and PD pathologies by A2AR antagonists through control of ***,we provide the supporting evidence from multiple human prospective epidemiological studies which revealed an inverse relation between the consumption of caffeine and the risk of developing PD and cognitive decline in aging population and Alzheimer's disease ***,the convergence of clinical,epidemiological and experimental evidence supports the validity of A2AR as a new therapeutic target and facilitates the design of A2AR antagonists in clinical trials for disease-modifying and cognitive benefit in PD and TBI patients.

关键词： Receptor,Adenosine A2A Adenosine A2 receptor antagonists Parkinson's disease Brain injuries,traumatic

Therapeutic advances in atrial fibrillation based on animal models

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Journal of zhejiang University-Science B(Biomedicine & Biotechnology) 2024年第2期25卷 135-152页

作者： Qian GONG Xuan LE Pengcheng YU Lenan ZHUANG Institute of Genetics and Reproduction College of Animal SciencesZhejiang UniversityHangzhou310058China Key laboratory of Cardiovascular Intervention and regenerative medicine of zhejiang Province Department of CardiologySir Run Run Shaw HospitalSchool of MedicineZhejiang UniversityHangzhou310016China

Atrial fibrillation(AF)is the most prevalent sustained cardiac arrhythmia among humans,with its incidence increasing significantly with *** the high frequency of AF in clinical practice,its etiology and management remain *** develop effective treatment strategies,it is imperative to comprehend the underlying mechanisms of AF;therefore,the establishment of animal models of AF is vital to explore its *** spontaneous AF is rare in most animal species,several large animal models,particularly those of pigs,dogs,and horses,have proven as invaluable in recent years in advancing our knowledge of AF pathogenesis and developing novel therapeutic *** review aims to provide a comprehensive discussion of various animal models of AF,with an emphasis on the unique features of each model and its utility in AF research and *** data summarized in this review provide valuable insights into the mechanisms of AF and can be used to evaluate the efficacy and safety of novel therapeutic interventions.

关键词： Atrial fibrillation Animal model Therapeutic