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Madhvapathy SR, Bury MI, Wang LW, Ciatti JL, Avila R, Huang Y, Sharma AK, Rogers JA. Miniaturized implantable temperature sensors for the long-term monitoring of chronic intestinal inflammation. Nat Biomed Eng 2024; 8:1040-1052. [PMID: 38499643 DOI: 10.1038/s41551-024-01183-w] [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: 06/28/2023] [Accepted: 02/09/2024] [Indexed: 03/20/2024]
Abstract
Diagnosing and monitoring inflammatory bowel diseases, such as Crohn's disease, involves the use of endoscopic imaging, biopsies and serology. These infrequent tests cannot, however, identify sudden onsets and severe flare-ups to facilitate early intervention. Hence, about 70% of patients with Crohn's disease require surgical intestinal resections in their lifetime. Here we report wireless, miniaturized and implantable temperature sensors for the real-time chronic monitoring of disease progression, which we tested for nearly 4 months in a mouse model of Crohn's-disease-like ileitis. Local measurements of intestinal temperature via intraperitoneally implanted sensors held in place against abdominal muscular tissue via two sutures showed the development of ultradian rhythms at approximately 5 weeks before the visual emergence of inflammatory skip lesions. The ultradian rhythms showed correlations with variations in the concentrations of stress hormones and inflammatory cytokines in blood. Decreasing average temperatures over the span of approximately 23 weeks were accompanied by an increasing percentage of inflammatory species in ileal lesions. These miniaturized temperature sensors may aid the early treatment of inflammatory bowel diseases upon the detection of episodic flare-ups.
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Affiliation(s)
- Surabhi R Madhvapathy
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, USA
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL, USA
| | - Matthew I Bury
- Division of Pediatric Urology, Department of Surgery, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA
- Stanley Manne Children's Research Institute, Louis A. Simpson and Kimberly K. Querrey Biomedical Research Center, Chicago, IL, USA
| | - Larry W Wang
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Joanna L Ciatti
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, USA
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL, USA
| | - Raudel Avila
- Department of Mechanical Engineering, Rice University, Houston, TX, USA
| | - Yonggang Huang
- Department of Mechanical Engineering, Northwestern University, Evanston, IL, USA
- Department of Civil Engineering, Northwestern University, Evanston, IL, USA
| | - Arun K Sharma
- Division of Pediatric Urology, Department of Surgery, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA.
- Stanley Manne Children's Research Institute, Louis A. Simpson and Kimberly K. Querrey Biomedical Research Center, Chicago, IL, USA.
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
- Simpson Querrey Institute, Northwestern University, Chicago, IL, USA.
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA.
| | - John A Rogers
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, USA.
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL, USA.
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA.
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
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Yang B, Rutkowski N, Elisseeff J. The foreign body response: emerging cell types and considerations for targeted therapeutics. Biomater Sci 2023; 11:7730-7747. [PMID: 37904536 DOI: 10.1039/d3bm00629h] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2023]
Abstract
The foreign body response (FBR) remains a clinical challenge in the field of biomaterials due to its ability to elicit a chronic and sustained immune response. Modulating the immune response to materials is a modern paradigm in tissue engineering to enhance repair while limiting fibrous encapsulation and implant isolation. Though the classical mediators of the FBR are well-characterized, recent studies highlight that our understanding of the cell types that shape the FBR may be incomplete. In this review, we discuss the emerging role of T cells, stromal-immune cell interactions, and senescent cells in the biomaterial response, particularly to synthetic materials. We emphasize future studies that will deepen the field's understanding of these cell types in the FBR, with the goal of identifying therapeutic targets that will improve implant integration. Finally, we briefly review several considerations that may influence our understanding of the FBR in humans, including rodent models, aging, gut microbiota, and sex differences. A better understanding of the heterogeneous host cell response during the FBR can enable the design and development of immunomodulatory materials that favor healing.
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Affiliation(s)
- Brenda Yang
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA.
| | - Natalie Rutkowski
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA.
| | - Jennifer Elisseeff
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA.
- Bloomberg∼Kimmel Institute for Cancer Immunotherapy, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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3
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Serbanescu MA, Apple CG, Fernandez-Moure JS. Role of Resident Microbial Communities in Biofilm-Related Implant Infections: Recent Insights and Implications. Surg Infect (Larchmt) 2023; 24:258-264. [PMID: 37010966 PMCID: PMC11074437 DOI: 10.1089/sur.2023.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2023] Open
Abstract
The use of medical implants continues to grow as the population ages. Biofilm-related implant infection is the leading cause of medical implant failure and remains difficult to diagnose and treat. Recent technologies have enhanced our understanding of the composition and complex functions of microbiota occupying various body site niches. In this review, we leverage data from molecular sequencing technologies to explore how silent changes in microbial communities from various sites can influence the development of biofilm-related infections. Specifically, we address biofilm formation and recent insights of the organisms involved in biofilm-related implant infections; how composition of microbiomes from skin, nasopharyngeal, and nearby tissue can impact biofilm-formation, and infection; the role of the gut microbiome in implant-related biofilm formation; and therapeutic strategies to mitigate implant colonization.
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Affiliation(s)
- Mara A. Serbanescu
- Department of Anesthesia, Acute Care Surgery, and Surgical Critical Care, Department of Surgery, Duke University Medical Center, Duke University School of Medicine, Durham, North Carolina, USA
| | - Camille G. Apple
- Division of Trauma, Acute Care Surgery, and Surgical Critical Care, Department of Surgery, Duke University Medical Center, Duke University School of Medicine, Durham, North Carolina, USA
| | - Joseph S. Fernandez-Moure
- Division of Trauma, Acute Care Surgery, and Surgical Critical Care, Department of Surgery, Duke University Medical Center, Duke University School of Medicine, Durham, North Carolina, USA
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Nguyen H, Chen CC, Czosseck A, Chen MM, George TA, Lundy DJ. Degradable Biocompatible Porous Microtube Scaffold for Extended Donor Cell Survival and Activity. ACS Biomater Sci Eng 2023; 9:719-731. [PMID: 36595653 PMCID: PMC9930086 DOI: 10.1021/acsbiomaterials.2c00899] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Cell therapy has significant therapeutic potential but is often limited by poor donor cell retention and viability at the host implantation site. Biomaterials can improve cell retention by providing cells with increased cell-cell and cell-matrix contacts and materials that allow three-dimensional cell culture to better recapitulate native cell morphology and function. In this study, we engineered a scaffold that allows for cell encapsulation and sustained three-dimensional cell culture. Since cell therapy is largely driven by paracrine secretions, the material was fabricated by electrospinning to have a large internal surface area, micrometer-thin walls, and nanoscale surface pores to allow for nutrient exchange without early cell permeation. The material is degradable, which allows for less invasive removal of the implant. Here, a biodegradable poly(lactic-co-glycolic acid) (PLGA) microtube array membrane was fabricated. In vitro testing showed that the material supported the culture of human dermal fibroblasts for at least 21 days, with paracrine secretion of pro-angiogenic FGF2. In vivo xenotransplantation of human cells in an immunocompetent mouse showed that donor cells could be maintained for more than one month and the material showed no obvious toxicity. Analysis of gene expression and tissue histology surrounding the implant showed that the material produced muted inflammatory and immune responses compared to a permanent implant and increased markers of angiogenesis.
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Affiliation(s)
- Helen Nguyen
- Graduate
Institute of Biomedical Materials & Tissue Engineering, College
of Biomedical Engineering, Taipei Medical
University, 250 Wuxing Street, Taipei 110, Taiwan
| | - Chien-Chung Chen
- Graduate
Institute of Biomedical Materials & Tissue Engineering, College
of Biomedical Engineering, Taipei Medical
University, 250 Wuxing Street, Taipei 110, Taiwan,International
Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wuxing Street, Taipei 110, Taiwan
| | - Andreas Czosseck
- Graduate
Institute of Biomedical Materials & Tissue Engineering, College
of Biomedical Engineering, Taipei Medical
University, 250 Wuxing Street, Taipei 110, Taiwan
| | - Max M. Chen
- Graduate
Institute of Biomedical Materials & Tissue Engineering, College
of Biomedical Engineering, Taipei Medical
University, 250 Wuxing Street, Taipei 110, Taiwan
| | - Thomashire A. George
- International
Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wuxing Street, Taipei 110, Taiwan,Medical
Laboratory Science and Diagnostics, College of Medicine and Allied
Health Sciences, University of Sierra Leone, Tower Hill, Freetown, Sierra Leone
| | - David J. Lundy
- Graduate
Institute of Biomedical Materials & Tissue Engineering, College
of Biomedical Engineering, Taipei Medical
University, 250 Wuxing Street, Taipei 110, Taiwan,International
Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wuxing Street, Taipei 110, Taiwan,Center
for Cell Therapy, Taipei Medical University
Hospital, 250 Wuxing
Street, Taipei 110, Taiwan,
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