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Rational design of hydrogels for immunomodulation

Regenerative Biomaterials 2022年第1期9卷 979-1000页

作者： Wenhuan Bu Yuanhao Wu Amir M.Ghaemmaghami Hongchen Sun alvaro mata Liaoning Provincial Key Laboratory of Oral Diseases School of StomatologyChina Medical UniversityNo.117Nanjing North StreetHeping DistrictShenyang 110001China Department of Dental Materials School of StomatologyChina Medical UniversityNo.117Nanjing North StreetHeping DistrictShenyang 110001China Department of Center Laboratory School of StomatologyChina Medical UniversityNo.117Nanjing North StreetHeping DistrictShenyang 110001China School of Pharmacy University of NottinghamUniversity ParkNottingham NG72RDUK Biodiscovery Institute University of NottinghamUniversity ParkNottingham NG72RDUK Division of Immunology School of Life SciencesUniversity of NottinghamUniversity ParkNottingham NG72RDUK Terasaki Institute for Biomedical Innovation 1018 Westwood BlvdLos AngelesCA 90024USA Department of Chemical and Environmental Engineering University of NottinghamUniversity ParkNottingham NG72RDUK

The immune system protects organisms against endogenous and exogenous harm and plays a key role in tissue development,repair and *** immunomodulatory biologics exhibit limitations including degradation by enzymes,short half-life and lack of targeting *** or binding these biologics within biomaterials is an effective way to address these *** are promising immunomodulatory materials because of their prominent biocompatibility,tuneability and ***,to take advantage of these opportunities and optimize material performance,it is important to more specifically elucidate,and leverage on,how hydrogels affect and control the immune ***,we summarize how key physical and chemical properties of hydrogels affect the immune *** first provide an overview of underlying steps of the host immune response upon exposure to ***,we discuss recent advances in immunomodulatory strategies where hydrogels play a key role through(i)physical properties including dimensionality,stiffness,porosity and topography;(ii)chemical properties including wettability,electric property and molecular presentation;and(iii)the delivery of bioactive molecules via chemical or physical ***,this review aims to build a conceptual and practical toolkit for the design of immune-instructive hydrogels capable of modulating the host immune response.

关键词： hydrogels immunomodulation physical properties chemical properties

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Carboxylated-xyloglucan and peptide amphiphile co-assembly in wound healing

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Regenerative Biomaterials 2021年第5期8卷 75-86页

作者： Alessia Ajovalasit Carlos Redondo-Go´mez Maria Antonietta Sabatino Babatunde OOkesola Kristin Braun alvaro mata Clelia Dispenza Dipartimento di Ingegneria(DI) Universitadegli Studi di PalermoViale delle ScienzeEdificio 6Palermo 90128Italy School of Engineering&Materials Science Queen Mary University of LondonLondon E14NSUK Institute of Bioengineering Queen Mary University of LondonLondon E14NSUK Blizard Institute Barts and The London School of Medicine and DentistryThe Blizard Building4 Newark StreetLondon E12ATUK School of Pharmacy University of NottinghamNottingham NG72RDUK Department of Chemical and Environmental Engineering University of NottinghamNottingham NG72RDUK Biodiscovery Institute University of NottinghamNottinghamNG72RDUK Istituto di Biofisica(IBF) Consiglio Nazionale Delle Ricerche(CNR)Via U.La Malfa 153Palermo 90146Italy

Hydrogel wound dressings can play critical roles in wound healing protecting the wound from trauma or contamination and providing an ideal environment to support the growth of endogenous cells and promote wound *** work presents a self-assembling hydrogel dressing that can assist the wound repair process mimicking the hierarchical structure of skin extracellular *** this aim,the co-assembly behaviour of a carboxylated variant of xyloglucan(CXG)with a peptide amphiphile(PA-H3)has been investigated to generate hierarchical constructs with tuneable molecular composition,structure,and *** electron microscopy and circular dichroism at a low concentration shows that CXG and PA-H3 co-assemble into nanofibres by hydrophobic and electrostatic interactions and further aggregate into nanofibre bundles and *** a higher concentration,CXG and PA-H3 yield hydrogels that have been characterized for their morphology by scanning electron microscopy and for the mechanical properties by smallamplitude oscillatory shear rheological measurements and compression tests at different CXG/PAH3 ratios.A preliminary biological evaluation has been carried out both in vitro with HaCat cells and in vivo in a mouse model.

关键词： self-assembly peptide nanofiber hydrogel wound healing skin tissue engineering

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Supramolecular engineering of functional materials and complex environments

Supramolecular engineering of functional materials and compl...

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中华口腔医学会口腔医学科研管理分会第二次学术年会

作者： alvaro mata the Institute of Bioengineering at Queen Mary University of London

Breakthrough regenerative therapies will undoubtedly benefit from materials that can recreate or control major features of the extracellular matrix(ECM)to guide cells biological *** laboratory is focused on developing biomaterial platforms that can emulate the structure and functionality of biological *** this lecture Ⅰ will present how simple and complex

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Biofabrication and biomanufacturing in Ireland and the UK

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Bio-Design and Manufacturing 2024年第6期7卷 825-856页

作者： Jack F.Murphy Martha Lavelle Lisa Asciak Ross Burdis Hannah J.Levis Cosimo Ligorio Jamie Mc Guire Marlene Polleres Poppy O.Smith Lucinda Tullie Juan Uribe-Gomez Biqiong Chen Jonathan I.Dawson Julien E.Gautrot Nigel M.Hooper Daniel J.Kelly Vivian S.W.Li alvaro mata Abhay Pandit James B.Phillips Wenmiao Shu Molly M.Stevens Rachel L.Williams James P.K.Armstrong Yan Yan Shery Huang Department of Engineering University of CambridgeCambridge CB21PZUK Department of Translational Health Sciences Bristol Medical SchoolUniversity of BristolBristol BS13NYUK Department of Biomedical Engineering University of StrathclydeGlasgow G40NWUK Department of Materials Institute of Biomedical EngineeringImperial College LondonLondon SW72AZUK Department of Bioengineering Institute of Biomedical EngineeringImperial College LondonLondon SW72AZUK Department of Eye and Vision Science Institute of Life Course and Medical SciencesUniversity of LiverpoolLiverpool L78TXUK Biodiscovery Institute University of NottinghamNottingham NG72RDUK Department of Chemical and Environmental Engineering University of NottinghamNottingham NG72RDUK Centre for Human Development Stem Cells and RegenerationHuman Development and HealthFaculty of MedicineUniversity of SouthamptonSouthampton S0166YDUK Division of Neuroscience School of Biological SciencesFaculty of BiologyMedicine and HealthUniversity of ManchesterManchester M139PTUK UCL Centre for Nerve Engineering Department of PharmacologyUCL School of PharmacyUniversity College LondonLondon WC1N 1AXUK Stem Cell and Cancer Biology Laboratory The Francis Crick InstituteLondon NW11ATUK CÚRAM SFI Research Centre for Medical DevicesUniversity of GalwayGalway H91 W2TYIreland School of Mechanical and Aerospace Engineering Queen’s University BelfastBelfast BT95AHUK School of Engineering and Materials Science Queen Mary University of LondonLondon E14NSUK Geoffrey Jefferson Brain Research Centre Manchester Academic Health Science CentreNorthern Care Alliance and University of ManchesterManchester M139PLUK Trinity Centre for Biomedical Engineering Trinity Biomedical Sciences InstituteTrinity College DublinDublin 2Ireland Department of Mechanical Manufacturing and Biomedical EngineeringSchool of EngineeringTrinity College DublinDublin 2Ireland Advanced Materials and Bioengineering Research Centre(AMBER) Royal College of Surgeons in Ireland and T

As we navigate the transition from the Fourth to the Fifth Industrial Revolution,the emerging fields of biomanufacturing and biofabrication are transforming life sciences and *** sectors are benefiting from a synergy of synthetic and engineering biology,sustainable manufacturing,and integrated design *** techniques such as 3D bioprinting,tissue engineering,directed assembly,and self-assembly are instrumental in creating biomimetic scaffolds,tissues,organoids,medical devices,and biohybrid *** field of biofabrication in the United Kingdom and Ireland is emerging as a pivotal force in bioscience and healthcare,propelled by cutting-edge research and *** on the production of biologically functional products for use in drug delivery,in vitro models,and tissue engineering,research institutions across these regions are dedicated to innovating healthcare solutions that adhere to ethical standards while prioritising sustainability,affordability,and healthcare system benefits.

关键词： Bioprinting Drug delivery Biomaterials Tissue engineering Sustainability Biohybrid

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Clinical impact of artificial intelligence-based solutions on imaging of the pancreas and liver

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World Journal of Gastroenterology 2023年第9期29卷 1427-1445页

作者： M alvaro Berbís Felix Paulano Godino Javier Royuela del Val Lidia Alcalámata Antonio Luna Department of Radiology HT MédicaSan Juan de Dios HospitalCórdoba 14960Spain Faculty of Medicine Autonomous University of MadridMadrid 28049Spain Department of Radiology HT MédicaClínica las NievesJaén 23007Spain

Artificial intelligence(AI)has experienced substantial progress over the last ten years in many fields of application,including *** hepatology and pancreatology,major attention to date has been paid to its application to the assisted or even automated interpretation of radiological images,where AI can generate accurate and reproducible imaging diagnosis,reducing the physicians’*** can provide automatic or semi-automatic segmentation and registration of the liver and pancreatic glands and ***,using radiomics,AI can introduce new quantitative information which is not visible to the human eye to radiological *** has been applied in the detection and characterization of focal lesions and diffuse diseases of the liver and pancreas,such as neoplasms,chronic hepatic disease,or acute or chronic pancreatitis,among *** solutions have been applied to different imaging techniques commonly used to diagnose liver and pancreatic diseases,such as ultrasound,endoscopic ultrasonography,computerized tomography(CT),magnetic resonance imaging,and positron emission tomography/***,AI is also applied in this context to many other relevant steps involved in a comprehensive clinical scenario to manage a gastroenterological *** can also be applied to choose the most convenient test prescription,to improve image quality or accelerate its acquisition,and to predict patient prognosis and treatment *** this review,we summarize the current evidence on the application of AI to hepatic and pancreatic radiology,not only in regard to the interpretation of images,but also to all the steps involved in the radiological workflow in a broader ***,we discuss the challenges and future directions of the clinical application of AI methods.

关键词： Artificial intelligence Machine learning Deep learning Imaging Liver Pancreas

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