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Shin B, Kwon Y, Mittaz M, Kim H, Xu X, Kim E, Lee YJ, Lee J, Yeo WH, Choo HJ. All-in-one wearable drug efficacy assessment systems for bulbar muscle function using amyotrophic lateral sclerosis animal models. Nat Commun 2024; 15:6803. [PMID: 39122743 PMCID: PMC11315987 DOI: 10.1038/s41467-024-51300-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Accepted: 08/05/2024] [Indexed: 08/12/2024] Open
Abstract
Preclinical studies are crucial for developing amyotrophic lateral sclerosis drugs. Current FDA-approved drugs have been created by monitoring limb muscle function and histological analysis of amyotrophic lateral sclerosis model animals. Drug candidates for this disease have yet to be tested for bulbar-onset type due to the limitations of traditional preclinical tools: excessive animal use and discrete detection of disease progress. Here, our study introduces an all-in-one, wireless, integrated wearable system for facilitating continuous drug efficacy assessment of dysphagia-related muscles in animals during natural eating behaviors. By incorporating a kirigami-based strain-isolation mechanism, this device mounted on the skin of animals mitigates electromyography signal contamination caused by unpredictable animal movements. Our findings indicate this system, measuring the progression of motor neuron denervation, offers high precision in monitoring drug effects on dysphagia-responsible bulbar muscles. This study paves the way for more humane and efficient approaches to developing treatment solutions for degenerative neuromuscular diseases.
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Affiliation(s)
- Beomjune Shin
- Wearable Intelligent Systems and Healthcare Center (WISH Center) at the Institute for Matter and Systems, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Youngjin Kwon
- Wearable Intelligent Systems and Healthcare Center (WISH Center) at the Institute for Matter and Systems, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Michelle Mittaz
- Department of Cell Biology, School of Medicine, Emory University, Atlanta, GA, 30322, USA
| | - Hojoong Kim
- Wearable Intelligent Systems and Healthcare Center (WISH Center) at the Institute for Matter and Systems, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Xiaoxing Xu
- Department of Cell Biology, School of Medicine, Emory University, Atlanta, GA, 30322, USA
| | - Eugene Kim
- Wearable Intelligent Systems and Healthcare Center (WISH Center) at the Institute for Matter and Systems, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Yoon Jae Lee
- Wearable Intelligent Systems and Healthcare Center (WISH Center) at the Institute for Matter and Systems, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Jimin Lee
- Wearable Intelligent Systems and Healthcare Center (WISH Center) at the Institute for Matter and Systems, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Woon-Hong Yeo
- Wearable Intelligent Systems and Healthcare Center (WISH Center) at the Institute for Matter and Systems, Georgia Institute of Technology, Atlanta, GA, 30332, USA.
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA.
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University School of Medicine, Atlanta, GA, 30332, USA.
- Parker H. Petit Institute for Bioengineering and Biosciences, Georgia Institute of Technology, Atlanta, GA, 30332, USA.
| | - Hyojung J Choo
- Department of Cell Biology, School of Medicine, Emory University, Atlanta, GA, 30322, USA.
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Zhao N, Huang Y, Cheng X, Xie L, Xiao W, Shi B, Li J. A critical size volumetric muscle loss model in mouse masseter with impaired mastication on nutrition. Cell Prolif 2024; 57:e13610. [PMID: 38356342 DOI: 10.1111/cpr.13610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 01/13/2024] [Accepted: 01/30/2024] [Indexed: 02/16/2024] Open
Abstract
Orofacial muscle defect due to congenital anomalies, tumour ablation or traumatic accident that exceeds endogenous regeneration capacity may lead to sustained deficits in masticatory function and nutrition intake. Functional recovery has always been the goal of muscle tissue repair, but currently, there is no suitable model for quantitative analyses of either functional consequences or treatment efficacy of orofacial muscle defect. This study proposed a critical size volumetric muscle loss (VML) model in mouse masseter with impaired mastication on nutrition. Full-thickness VML defects in diameter of 1.0, 1.5, 2.0 and 3.0 mm were generated in the centre of the mouse masseter using a biopsy punch to determine the critical size for functional impairment. In the VML region, myogenesis was dampened but fibrogenesis was activated, as long with a reduction in the density of the neuromuscular junction and an increase in vascular density. Accordingly, persistent fibrosis was observed in the centre region of VML in all diameters. The 2.0 mm diameter was the critical threshold to masticatory function impairment after VML in the masseter. VML of 3.0 mm diameter led to a significant impact on nutrition intake and body weight gain. Autologous muscle graft effectively relieved the fibrosis and functional deficit after VML injury in the masseter. This model serves as a reliable tool in studying functional recovery strategies for orofacial muscle defects.
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Affiliation(s)
- Ning Zhao
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu, China
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yixuan Huang
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu, China
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xu Cheng
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu, China
| | - Li Xie
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu, China
| | - Wenlin Xiao
- Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Bing Shi
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu, China
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jingtao Li
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu, China
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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Rohrer L, Kato S, Browne SA, Striedinger-Melo K, Healy K, Pomerantz JH. Acrylated Hyaluronic-Acid Based Hydrogel for the Treatment of Craniofacial Volumetric Muscle Loss. Tissue Eng Part A 2024. [PMID: 38534963 DOI: 10.1089/ten.tea.2023.0241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024] Open
Abstract
Current treatment options for craniofacial volumetric muscle loss (VML) have disadvantages and cannot fully restore normal function. Bio-inspired semisynthetic acrylated hyaluronic acid (AcHyA) hydrogel, which fills irregularly shaped defects, resembles an extracellular matrix, and induces a minimal inflammatory response, has shown promise in experimental studies of extremity VML. We therefore sought to study AcHyA hydrogel in the treatment of craniofacial VML. For this, we used a novel model of masseter VML in the rat. Following the creation of a 5 mm × 5 mm injury to the superficial masseter and administration of AcHyA to the wound, masseters were explanted between 2 and 16 weeks postoperatively and were analyzed for evidence of muscle regeneration including fibrosis, defect size, and fiber cross-sectional area (FCSA). At 8 and 16 weeks, masseters treated with AcHyA showed significantly less fibrosis than nonrepaired controls and a smaller decrease in defect size. The mean FCSA among fibers near the defect was significantly greater among hydrogel-repaired than control masseters at 8 weeks, 12 weeks, and 16 weeks. These results show that the hydrogel mitigates the fibrotic healing response and wound contracture. Our findings also suggest that hydrogel-based treatments have potential use as a treatment for the regeneration of craniofacial VML and demonstrate a system for evaluating subsequent iterations of materials in VML injuries.
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Affiliation(s)
- Lucas Rohrer
- School of Medicine, University of California San Francisco, San Francisco, California, USA
- Program in Craniofacial Biology and Department of Orofacial Sciences, University of California San Francisco, San Francisco, California, USA
- Division of Plastic and Reconstructive Surgery, Department of Surgery, University of California San Francisco, San Francisco, California, USA
| | - Shinji Kato
- Program in Craniofacial Biology and Department of Orofacial Sciences, University of California San Francisco, San Francisco, California, USA
| | - Shane A Browne
- Department of Bioengineering, University of California Berkeley, Berkeley, California, USA
| | - Katharine Striedinger-Melo
- Program in Craniofacial Biology and Department of Orofacial Sciences, University of California San Francisco, San Francisco, California, USA
| | - Kevin Healy
- Department of Bioengineering, University of California Berkeley, Berkeley, California, USA
| | - Jason H Pomerantz
- Program in Craniofacial Biology and Department of Orofacial Sciences, University of California San Francisco, San Francisco, California, USA
- Division of Plastic and Reconstructive Surgery, Department of Surgery, University of California San Francisco, San Francisco, California, USA
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Lee S, Kim SR, Jeon KH, Jeon JW, Lee EI, Jeon J, Oh JH, Yoo JH, Kil HJ, Park JW. A fabric-based wearable sensor for continuous monitoring of decubitus ulcer of subjects lying on a bed. Sci Rep 2023; 13:5773. [PMID: 37031263 PMCID: PMC10082782 DOI: 10.1038/s41598-023-33081-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 04/06/2023] [Indexed: 04/10/2023] Open
Abstract
For multifunctional wearable sensing systems, problems related to wireless and continuous communication and soft, noninvasive, and disposable functionality issues should be solved for precise physiological signal detection. To measure the critical transitions of pressure, temperature, and skin impedance when continuous pressure is applied on skin and tissue, we developed a sensor for decubitus ulcers using conventional analog circuitry for wireless and continuous communication in a disposable, breathable fabric-based multifunctional sensing system capable of conformal contact. By integrating the designed wireless communication module into a multifunctional sensor, we obtained sensing data that were sent sequentially and continuously to a customized mobile phone app. With a small-sized and lightweight module, our sensing system operated over 24 h with a coin-cell battery consuming minimum energy for intermittent sensing and transmission. We conducted a pilot test on healthy subjects to evaluate the adequate wireless operation of the multifunctional sensing system when applied to the body. By solving the aforementioned practical problems, including those related to wireless and continuous communication and soft, noninvasive, and disposable functionality issues, our fabric-based multifunctional decubitus ulcer sensor successfully measured applied pressure, skin temperature, and electrical skin impedance.
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Affiliation(s)
- Soyeon Lee
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722, Korea
| | - Seung-Rok Kim
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722, Korea
| | - Kun-Hoo Jeon
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722, Korea
| | - Jun-Woo Jeon
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722, Korea
| | - Ey-In Lee
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722, Korea
| | - Jiwan Jeon
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722, Korea
| | - Je-Heon Oh
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722, Korea
| | - Ju-Hyun Yoo
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722, Korea
| | - Hye-Jun Kil
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722, Korea
| | - Jin-Woo Park
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722, Korea.
- Asen Company, Seoul, 03722, Republic of Korea.
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2D Materials towards sensing technology: From fundamentals to applications. SENSING AND BIO-SENSING RESEARCH 2022. [DOI: 10.1016/j.sbsr.2022.100540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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The era of nano-bionic: 2D materials for wearable and implantable body sensors. Adv Drug Deliv Rev 2022; 186:114315. [PMID: 35513130 DOI: 10.1016/j.addr.2022.114315] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/30/2022] [Accepted: 04/29/2022] [Indexed: 12/20/2022]
Abstract
Nano-bionics have the potential of revolutionizing modern medicine. Among nano-bionic devices, body sensors allow to monitor in real-time the health of patients, to achieve personalized medicine, and even to restore or enhance human functions. The advent of two-dimensional (2D) materials is facilitating the manufacturing of miniaturized and ultrathin bioelectronics, that can be easily integrated in the human body. Their unique electronic properties allow to efficiently transduce physical and chemical stimuli into electric current. Their flexibility and nanometric thickness facilitate the adaption and adhesion to human body. The low opacity permits to obtain transparent devices. The good cellular adhesion and reduced cytotoxicity are advantageous for the integration of the devices in vivo. Herein we review the latest and more significant examples of 2D material-based sensors for health monitoring, describing their architectures, sensing mechanisms, advantages and, as well, the challenges and drawbacks that hampers their translation into commercial clinical devices.
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Song H, Luo G, Ji Z, Bo R, Xue Z, Yan D, Zhang F, Bai K, Liu J, Cheng X, Pang W, Shen Z, Zhang Y. Highly-integrated, miniaturized, stretchable electronic systems based on stacked multilayer network materials. SCIENCE ADVANCES 2022; 8:eabm3785. [PMID: 35294232 PMCID: PMC8926335 DOI: 10.1126/sciadv.abm3785] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Elastic stretchability and function density represent two key figures of merits for stretchable inorganic electronics. Various design strategies have been reported to provide both high levels of stretchability and function density, but the function densities are mostly below 80%. While the stacked device layout can overcome this limitation, the soft elastomers used in previous studies could highly restrict the deformation of stretchable interconnects. Here, we introduce stacked multilayer network materials as a general platform to incorporate individual components and stretchable interconnects, without posing any essential constraint to their deformations. Quantitative analyses show a substantial enhancement (e.g., by ~7.5 times) of elastic stretchability of serpentine interconnects as compared to that based on stacked soft elastomers. The proposed strategy allows demonstration of a miniaturized electronic system (11 mm by 10 mm), with a moderate elastic stretchability (~20%) and an unprecedented areal coverage (~110%), which can serve as compass display, somatosensory mouse, and physiological-signal monitor.
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Affiliation(s)
- Honglie Song
- AML, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, P. R. China
- Center for Flexible Electronics Technology, Tsinghua University, Beijing 100084, P. R. China
| | - Guoquan Luo
- AML, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, P. R. China
- Center for Flexible Electronics Technology, Tsinghua University, Beijing 100084, P. R. China
- National Key Laboratory of Science and Technology on Advanced Composite in Special Environments, Harbin Institute of Technology, Harbin 150080, P. R. China
| | - Ziyao Ji
- AML, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, P. R. China
- Center for Flexible Electronics Technology, Tsinghua University, Beijing 100084, P. R. China
| | - Renheng Bo
- AML, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, P. R. China
- Center for Flexible Electronics Technology, Tsinghua University, Beijing 100084, P. R. China
| | - Zhaoguo Xue
- AML, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, P. R. China
- Center for Flexible Electronics Technology, Tsinghua University, Beijing 100084, P. R. China
| | - Dongjia Yan
- AML, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, P. R. China
- Center for Flexible Electronics Technology, Tsinghua University, Beijing 100084, P. R. China
| | - Fan Zhang
- AML, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, P. R. China
- Center for Flexible Electronics Technology, Tsinghua University, Beijing 100084, P. R. China
| | - Ke Bai
- AML, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, P. R. China
- Center for Flexible Electronics Technology, Tsinghua University, Beijing 100084, P. R. China
| | - Jianxing Liu
- AML, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, P. R. China
- Center for Flexible Electronics Technology, Tsinghua University, Beijing 100084, P. R. China
| | - Xu Cheng
- AML, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, P. R. China
- Center for Flexible Electronics Technology, Tsinghua University, Beijing 100084, P. R. China
| | - Wenbo Pang
- AML, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, P. R. China
- Center for Flexible Electronics Technology, Tsinghua University, Beijing 100084, P. R. China
| | - Zhangming Shen
- AML, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, P. R. China
- Center for Flexible Electronics Technology, Tsinghua University, Beijing 100084, P. R. China
| | - Yihui Zhang
- AML, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, P. R. China
- Center for Flexible Electronics Technology, Tsinghua University, Beijing 100084, P. R. China
- Corresponding author.
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