Kariman A. Shama , Mariah A. Turner , Harrison B. Broadaway , Elizabeth L. Aikman , Whitney L. Stoppel , Brittany L. Taylor
{"title":"Advances in tissue engineering approaches for repairing and rehabilitating the myotendinous junction","authors":"Kariman A. Shama , Mariah A. Turner , Harrison B. Broadaway , Elizabeth L. Aikman , Whitney L. Stoppel , Brittany L. Taylor","doi":"10.1016/j.cobme.2024.100532","DOIUrl":"10.1016/j.cobme.2024.100532","url":null,"abstract":"<div><p>The myotendinous junction (MTJ) acts as a bridge between muscle and tendon; yet its high stiffness relative to muscle fibers renders the tissue susceptible to injuries due to eccentric loading disparities. The limited regenerative capacity of MTJ tissue and potential for postsurgical scarring and reinjury necessitates complementary therapeutics that can enhance cellular interactions, restore mechanical properties, and support tissue rehabilitation.</p><p>This review explores various approaches to engineer the MTJ utilizing biomaterial scaffolds and cellularized materials that mimic structure and function. While biomimetic materials show promise, challenges remain due to the interface's complexity and differing patient- and location-specific structure–function characteristics, necessitating further research to address these gaps. This review also highlights the importance of studying MTJ injuries in women's health and craniofacial reconstruction. Furthermore, engineered MTJ models provide versatile platforms for investigating trauma and degeneration, thus offering potential for advancing research across multiple fields, shedding light on interactions at tissue interfaces, and shaping the future of MTJ rehabilitation.</p></div>","PeriodicalId":36748,"journal":{"name":"Current Opinion in Biomedical Engineering","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2024-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140406418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Defining omics-based biomarker signatures of metabolic dysfunction-associated steatotic liver disease (MASLD): In vitro studies","authors":"Swapnil C. Kamble , Payel Ghosh","doi":"10.1016/j.cobme.2024.100534","DOIUrl":"10.1016/j.cobme.2024.100534","url":null,"abstract":"<div><p>Recent years have seen considerable rise in the cases of non-alcoholic and alcohol-associated/related liver disease. Though largely a reversible condition in early stages, if left untreated, it leads to permanent damage in the form of fibrosis to cirrhosis to liver cancer. Early identification of the stage of progression can arrest chronic liver disease (CLD). Development of <em>in vitro</em> systems that mimic the patient's liver allows research on liver regeneration and CLD. At cellular and tissue level, the omics expression profiles provide a valid tool to analyze and compare between the <em>in vitro</em> developed and <em>in vivo</em> liver. Here, in a systematic way, we review the recent publications on single to multiple gene expression profiling of metabolic dysfunction-associated steatotic liver disease (MASLD) (previously included conditions of Non-Alcoholic Fatty Liver Disease, NAFLD) to identify the potential pharmacologically important biomarker.</p></div>","PeriodicalId":36748,"journal":{"name":"Current Opinion in Biomedical Engineering","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2024-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140399492","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Learning about liver regeneration from liver-on-a-chip","authors":"Martí Ortega-Ribera","doi":"10.1016/j.cobme.2024.100533","DOIUrl":"10.1016/j.cobme.2024.100533","url":null,"abstract":"<div><p>Organ on a chip, or in the context of liver, liver-on-a-chip or LoC, are recently in the lookout for being bioengineered tools preserving the <em>in vivo</em> cell features and recapitulating the complexity of liver physiology in a controlled microfluidic environment. In the recent years, LoC have been tailored at several levels including biological input, matrix and mechanobiological cues or additional design features such as patterned cultures, multi-organ chips or sensor integration. Latest research in LoC designs include the integration of mechanobiological cues and recapitulation of the most common liver disease etiologies (alcohol associated liver disease, MAFLD or viral infection), enhancing LoC value for hepatotoxicity testing, drug discovery and research. Liver regeneration is a common physiological response to diverse injuries to the liver. In this review, we summarize the latest findings learned from LoC to understand liver regeneration, focusing on the role of transcription growth factor beta (TGFβ), hepatocyte growth factor (HGF) and hypoxia inducible factor 1 alpha (HIF-1α) as key players in the regenerative response by regulating fibrosis, EMT, proliferation and inflammation among others.</p></div>","PeriodicalId":36748,"journal":{"name":"Current Opinion in Biomedical Engineering","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2024-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140399143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zachary Congress , Jun Tae Huh , James Yoo , Sang Jin Lee , Shay Soker
{"title":"Augmented in vitro liver models with bioprinted liver organoids","authors":"Zachary Congress , Jun Tae Huh , James Yoo , Sang Jin Lee , Shay Soker","doi":"10.1016/j.cobme.2024.100531","DOIUrl":"10.1016/j.cobme.2024.100531","url":null,"abstract":"<div><p>Bioprinted liver organoids (LOs) have emerged as a crucial tool for investigating patient-specific models and enhancing disease comprehension as well as overall patient care. These systems are comprised of liver-specific cell types along with suitable biomaterials to facilitate the printing process and provide a microenvironment for cell accommodation. Various printing technologies, such as jetting, extrusion, and stereolithography, each present distinct advantages and disadvantages concerning printing resolution, rheological properties, and biomaterial selection. Leveraging patient-derived cells, these models facilitate the development of personalized <em>in vitro</em> liver models, enabling the exploration of disease progression and drug efficacy. Advancing research on liver tissue-specific printable biomaterials and exploring designs that can effectively mimic the diverse functions of liver tissue will greatly expedite clinically relevant model development and augment patient care.</p></div>","PeriodicalId":36748,"journal":{"name":"Current Opinion in Biomedical Engineering","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2024-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140282647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Xiang Yuan , Zhen Sun , Jingqi Wu , Lijian Hui , Ludi Zhang
{"title":"Cell therapy for liver diseases: From hepatocyte transplantation to bioartificial livers","authors":"Xiang Yuan , Zhen Sun , Jingqi Wu , Lijian Hui , Ludi Zhang","doi":"10.1016/j.cobme.2024.100530","DOIUrl":"10.1016/j.cobme.2024.100530","url":null,"abstract":"<div><p>Liver cell therapy presents a promising alternative to liver transplantation for patients with liver failure and hereditary liver diseases. However, its clinical implementation is limited largely due to the scarcity of human hepatocytes. Here, we review strategies to generate functional human hepatocytes with a mature phenotype and liver repopulation capability and highlight their potential clinical applications in hepatocyte transplantation and bioartificial liver transplantation. We summarize new delivery methods to improve hepatocyte engraftment, such as patch grafting and ectopic transplantation, and discuss potential future directions.</p></div>","PeriodicalId":36748,"journal":{"name":"Current Opinion in Biomedical Engineering","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2024-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140268470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Adam A. Jasper , Kush H. Shah , Helmet Karim , Swathi Gujral , Iva Miljkovic , Caterina Rosano , Aaron Barchowsky , Amrita Sahu
{"title":"Regenerative rehabilitation measures to restore tissue function after arsenic exposure","authors":"Adam A. Jasper , Kush H. Shah , Helmet Karim , Swathi Gujral , Iva Miljkovic , Caterina Rosano , Aaron Barchowsky , Amrita Sahu","doi":"10.1016/j.cobme.2024.100529","DOIUrl":"10.1016/j.cobme.2024.100529","url":null,"abstract":"<div><p>Environmental exposure of arsenic impairs the cardiometabolic profile, skeletal muscle health, and neurological function. Such declining tissue health is observed as early as in one's childhood, where the exposure is prevalent, thereby accelerating the effect of time's arrow. Despite the known deleterious effects of arsenic exposure, there is a paucity of specific treatment plans for restoring tissue function in exposed individuals. In this review, we propose to harness the untapped potential of existing regenerative rehabilitation programs, such as stem cell therapeutics with rehabilitation, acellular therapeutics, and artificial intelligence/robotics technologies, to address this critical gap in environmental toxicology. With regenerative rehabilitation techniques showing promise in other injury paradigms, fostering collaboration between these scientific realms offers an effective means of mitigating the detrimental effects of arsenic on tissue function.</p></div>","PeriodicalId":36748,"journal":{"name":"Current Opinion in Biomedical Engineering","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2024-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140269116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Microscopy methods to visualize nuclear organization in biomechanical studies","authors":"Hannah Hyun-Sook Kim , Melike Lakadamyali","doi":"10.1016/j.cobme.2024.100528","DOIUrl":"10.1016/j.cobme.2024.100528","url":null,"abstract":"<div><p>The mechanical environment plays an important role in influencing cell identity. The nucleus's organization and mechanical state are essential regulators of cellular function. However, open questions remain about the mechanisms underlying how the physical microenvironment influences nuclear mechanics and organization to drive specific transcriptional and epigenetic shifts. Understanding how biophysical cues change cell behavior provides groundwork to improve medical technologies such as tissue engineering, stem cell therapy, and mitigation of aberrant cell behavior. Microscopy is an indispensable tool that noninvasively explores the cell's nuclear state, providing valuable measurements on features including nuclear morphology, nuclear mechanical properties, protein localization, and genomic organization. In this review, we discuss notable imaging techniques, such as super-resolution microscopy, examples of how they have recently advanced the field, and how they can further our knowledge of the interplay between nuclear mechanoregulation and cell function.</p></div>","PeriodicalId":36748,"journal":{"name":"Current Opinion in Biomedical Engineering","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2024-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139966367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"3D bioprinting strategies for recapitulation of hepatic structure and function in bioengineered liver: A state-of-the-art review","authors":"Arka Sanyal, Sourabh Ghosh","doi":"10.1016/j.cobme.2024.100526","DOIUrl":"10.1016/j.cobme.2024.100526","url":null,"abstract":"<div><p>3D bioprinting has recently emerged as a successful biofabrication strategy for replicating the complex <em>in vivo</em> hepatic milieu. Significant research advances in this field have allowed for the fabrication of biomimetic hepatic tissues with potential applications in the healthcare (regeneration, transplantation, drug discovery) and diagnostic sectors (<em>in vitro</em> disease models). This article initially delves into describing the hepatic tissue architecture and function, followed by a rational exposition of how 3D bioprinting potentiates the better development of functional liver tissue compared to traditional tissue engineering approaches and 3D cell culture platforms. This review then highlights the recent breakthroughs and reliable strategies for replicating liver structure and function through bioprinting approaches. In this context, we have systematically described the current landscape of hepatic bioprinting, initially focusing on the cell sources used, followed by the biomaterials and strategies implemented to prolong their <em>in vitro</em> viability. Proceeding forward, we have critically highlighted essential aspects of hepatic bioprinting, such as developing tissue-specific bioinks, strategies to induce vascularization within bioprinted liver constructs, and replication of native liver tissue heterogeneity through spatial distribution of multiple cell types in predetermined patterns. In our concluding remarks, we discuss the existing bottlenecks that prevail in this field and provide our viewpoint regarding possible future directions to overcome them.</p></div>","PeriodicalId":36748,"journal":{"name":"Current Opinion in Biomedical Engineering","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2024-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139891823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Editorial overview: Low-cost and portable systems for biomedical imaging and sensing","authors":"Hatice Ceylan Koydemir, Aydogan Ozcan","doi":"10.1016/j.cobme.2024.100527","DOIUrl":"https://doi.org/10.1016/j.cobme.2024.100527","url":null,"abstract":"","PeriodicalId":36748,"journal":{"name":"Current Opinion in Biomedical Engineering","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2024-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139738283","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Cell therapy for duchenne muscular dystrophy using induced pluripotent stem cell-derived muscle stem cells and the potential of regenerative rehabilitation","authors":"Nana Takenaka-Ninagawa , Megumi Goto , Clémence Kiho Bourgeois Yoshioka , Mayuho Miki , Hidetoshi Sakurai","doi":"10.1016/j.cobme.2024.100523","DOIUrl":"10.1016/j.cobme.2024.100523","url":null,"abstract":"<div><p>Duchenne muscular dystrophy (DMD) is a hereditary disease characterized by severe muscle weakness resulting from DYSTROPHIN deficiency-associated damage. Muscle regeneration therapy using skeletal muscle stem cell (MuSC) transplantation has demonstrated great promise. Optimized differentiation methods yield efficient induced pluripotent stem cell-derived MuSCs (iMuSCs); transplanted iMuSCs have high regenerative potential in DMD mouse models. However, achieving complete pathophysiological recovery of DMD motor function through cell therapy alone is challenging. According to recent studies, exercise can significantly improve DMD pathophysiology. Current research aims to enhance therapeutic efficacy by combining cell transplantation with exercise interventions, addressing the limitations of cell-transplantation therapy for DMD.</p></div>","PeriodicalId":36748,"journal":{"name":"Current Opinion in Biomedical Engineering","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2024-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139880225","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}