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Loughlin H, Jackson J, Looman C, Starll A, Goldman J, Shan Z, Yu C. Aerobic exercise improves depressive symptoms in the unilateral 6-OHDA-lesioned rat model of Parkinson's disease. IBRO Neurosci Rep 2024; 16:468-475. [PMID: 38560366 PMCID: PMC10981038 DOI: 10.1016/j.ibneur.2024.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 02/23/2024] [Accepted: 03/04/2024] [Indexed: 04/04/2024] Open
Abstract
Aerobic exercise has been shown to have established benefits on motor function in Parkinson's disease (PD). However, the impact of exercise on depressive symptoms in PD remains unclear. This study aimed to investigate the effects of regular exercise, specifically using a forced running wheel, on both motor performance and the prevalence of depression in a unilateral 6-OHDA-lesioned rat model of PD. The behavioral outcomes of exercise were assessed through the rotarod test (RT), forelimb adjusting step test (FAST), sucrose consumption test (SCT), and novelty sucrose splash test (NSST). Our data revealed evident depressive symptoms in the PD animals, characterized by reduced sucrose consumption in the SCT and diminished exploratory activity in the NSST compared to the naïve control group. Specifically, after 11 weeks of exercise, the PD exercise group demonstrated the most significant improvements in sucrose consumption in the SCT. Additionally, this group exhibited reduced immobility and increased exploratory behavior compared to the PD control group in the NSST. Furthermore, the PD exercise group displayed the greatest improvement in correcting forelimb stepping bias. Our results suggested that a regimen of running wheel exercise enhances motor abilities and mitigates the occurrence of depressive behaviors caused by 6-OHDA dopamine depletion in the PD rat model.
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Affiliation(s)
- Hannah Loughlin
- Department of Biomedical Engineering, Michigan Technological University, United States
| | - Jacob Jackson
- Department of Biomedical Engineering, Michigan Technological University, United States
| | - Chloe Looman
- Department of Biomedical Engineering, Michigan Technological University, United States
| | - Alayna Starll
- Department of Biomedical Engineering, Michigan Technological University, United States
| | - Jeremy Goldman
- Department of Biomedical Engineering, Michigan Technological University, United States
| | - Zhiying Shan
- Department of Kinesiology and Integrative Physiology, United States
| | - Chunxiu Yu
- Department of Biomedical Engineering, Michigan Technological University, United States
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2
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Sharma D, Sharma A, Hu L, Chen TA, Voon S, Bayless KJ, Goldman J, Walsh AJ, Zhao F. Perfusability and immunogenicity of implantable pre-vascularized tissues recapitulating features of native capillary network. Bioact Mater 2023; 30:184-199. [PMID: 37589031 PMCID: PMC10425689 DOI: 10.1016/j.bioactmat.2023.07.023] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 08/18/2023] Open
Abstract
Vascularization is a key pre-requisite to engineered anatomical scale three dimensional (3-D) constructs to ensure their nutrient and oxygen supply upon implantation. Presently, engineered pre-vascularized 3-D tissues are limited to only micro-scale hydrogels, which meet neither the anatomical scale needs nor the complexity of natural extracellular matrix (ECM) environments. Anatomical scale perfusable constructs are critically needed for translational applications. To overcome this challenge, we previously developed pre-vascularized ECM sheets with long and oriented dense microvascular networks. The present study further evaluated the patency, perfusability and innate immune response toward these pre-vascularized constructs. Macrophage-co-cultured pre-vascularized constructs were evaluated in vitro to confirm micro-vessel patency and perturbations in macrophage metabolism. Subcutaneously implanted pre-vascularized constructs remained viable and formed a functional anastomosis with host vasculature within 3 days of implantation. This completely biological pre-vascularized construct holds great potential as a building block to engineer perfusable anatomical scale tissues.
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Affiliation(s)
- Dhavan Sharma
- Department of Biomedical Engineering, Texas A&M University, College Station, TX, United States
| | - Archita Sharma
- Department of Biomedical Engineering, Texas A&M University, College Station, TX, United States
| | - Linghao Hu
- Department of Biomedical Engineering, Texas A&M University, College Station, TX, United States
| | - Te-An Chen
- Department of Biomedical Engineering, Texas A&M University, College Station, TX, United States
| | - Sarah Voon
- Department of Biomedical Engineering, Texas A&M University, College Station, TX, United States
| | - Kayla J. Bayless
- School of Medicine, Texas A&M University, College Station, TX, United States
| | - Jeremy Goldman
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI, United States
| | - Alex J. Walsh
- Department of Biomedical Engineering, Texas A&M University, College Station, TX, United States
| | - Feng Zhao
- Department of Biomedical Engineering, Texas A&M University, College Station, TX, United States
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Goldman J, Liu SQ, Tefft BJ. Anti-Inflammatory and Anti-Thrombogenic Properties of Arterial Elastic Laminae. Bioengineering (Basel) 2023; 10:bioengineering10040424. [PMID: 37106611 PMCID: PMC10135563 DOI: 10.3390/bioengineering10040424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 03/07/2023] [Accepted: 03/16/2023] [Indexed: 03/30/2023] Open
Abstract
Elastic laminae, an elastin-based, layered extracellular matrix structure in the media of arteries, can inhibit leukocyte adhesion and vascular smooth muscle cell proliferation and migration, exhibiting anti-inflammatory and anti-thrombogenic properties. These properties prevent inflammatory and thrombogenic activities in the arterial media, constituting a mechanism for the maintenance of the structural integrity of the arterial wall in vascular disorders. The biological basis for these properties is the elastin-induced activation of inhibitory signaling pathways, involving the inhibitory cell receptor signal regulatory protein α (SIRPα) and Src homology 2 domain-containing protein tyrosine phosphatase 1 (SHP1). The activation of these molecules causes deactivation of cell adhesion- and proliferation-regulatory signaling mechanisms. Given such anti-inflammatory and anti-thrombogenic properties, elastic laminae and elastin-based materials have potential for use in vascular reconstruction.
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Borghaei H, Ciuleanu TE, Lee JS, Pluzanski A, Caro RB, Gutierrez M, Ohe Y, Nishio M, Goldman J, Ready N, Spigel DR, Ramalingam SS, Paz-Ares LG, Gainor JF, Ahmed S, Reck M, Maio M, O'Byrne KJ, Memaj A, Nathan F, Tran P, Hellmann MD, Brahmer JR. Long-term survival with first-line nivolumab plus ipilimumab in patients with advanced non-small-cell lung cancer: a pooled analysis. Ann Oncol 2023; 34:173-185. [PMID: 36414192 DOI: 10.1016/j.annonc.2022.11.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 09/22/2022] [Accepted: 11/11/2022] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND First-line nivolumab plus ipilimumab prolongs survival versus chemotherapy in advanced non-small-cell lung cancer (NSCLC). We further characterized clinical benefit with this regimen in a large pooled patient population and assessed the effect of response on survival. PATIENTS AND METHODS Data were pooled from four studies of first-line nivolumab plus ipilimumab in advanced NSCLC (CheckMate 227 Part 1, 817 cohort A, 568 Part 1, and 012). Overall survival (OS), progression-free survival (PFS), objective response rate, duration of response, and safety were assessed. Landmark analyses of OS by response status at 6 months and by tumor burden reduction in responders to nivolumab plus ipilimumab were also assessed. RESULTS In the pooled population (N = 1332) with a minimum follow-up of 29.1-58.9 months, median OS was 18.6 months, with a 3-year OS rate of 35%; median PFS was 5.4 months (3-year PFS rate, 17%). Objective response rate was 36%; median duration of response was 23.7 months, with 38% of responders having an ongoing response at 3 years. In patients with tumor programmed death-ligand 1 (PD-L1) <1%, ≥1%, 1%-49%, or ≥50%, 3-year OS rates were 30%, 38%, 30%, and 48%. Three-year OS rates were 30% and 38% in patients with squamous or non-squamous histology. Efficacy outcomes in patients aged ≥75 years were similar to the overall pooled population (median OS, 20.1 months; 3-year OS rate, 34%). In the pooled population, responders to nivolumab plus ipilimumab at 6 months had longer post-landmark OS than those with stable or progressive disease; 3-year OS rates were 66%, 22%, and 14%, respectively. Greater depth of response was associated with prolonged survival; in patients with tumor burden reduction ≥80%, 50% to <80%, or 30% to <50%, 3-year OS rates were 85%, 72%, and 44%, respectively. No new safety signals were identified in the pooled population. CONCLUSION Long-term survival benefit and durable response with nivolumab plus ipilimumab in this large patient population further support this first-line treatment option for advanced NSCLC.
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Affiliation(s)
- H Borghaei
- Hematology and Oncology Department, Fox Chase Cancer Center, Philadelphia, USA.
| | - T-E Ciuleanu
- Department of Medical Oncology, Institutul Oncologic Prof Dr Ion Chiricuta, Cluj-Napoca; Department of Medical Oncology, University of Medicine and Pharmacy Iuliu Hatieganu, Cluj-Napoca, Romania
| | - J-S Lee
- Department of Hematology/Oncology, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - A Pluzanski
- Department of Lung Cancer and Chest Tumours, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland
| | - R Bernabe Caro
- Medical Oncology Department, Hospital Universitario Virgen Del Rocio, Instituto de Biomedicina de Seville, Seville, Spain
| | - M Gutierrez
- John Theurer Cancer Center, Hackensack University Medical Center, Hackensack, USA
| | - Y Ohe
- Department of Thoracic Oncology, National Cancer Center Hospital, Tokyo
| | - M Nishio
- Department of Thoracic Medical Oncology Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - J Goldman
- David Geffen School of Medicine, UCLA, Los Angeles
| | - N Ready
- Department of Medicine, Duke University School of Medicine, Durham
| | - D R Spigel
- Thoracic Medical Oncology, Sarah Cannon Research Institute/Tennessee Oncology PLCC, Nashville
| | - S S Ramalingam
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University, Atlanta, USA
| | - L G Paz-Ares
- Medical Oncology Department, Hospital Universitario 12 de Octubre, Universidad Complutense de Madrid, Madrid, Spain
| | - J F Gainor
- Department of Medicine, Massachusetts General Hospital, Boston, USA
| | - S Ahmed
- Department of Medical Oncology, University Hospitals of Leicester, Leicester, UK
| | - M Reck
- Department of Thoracic Oncology, Airway Research Center North, German Center for Lung Research, Lung Clinic, Grosshansdorf, Germany
| | - M Maio
- Center for Immuno-Oncology, University Hospital of Siena and University of Siena, Siena, Italy
| | - K J O'Byrne
- Princess Alexandra Hospital, Translational Research Institute and Queensland University of Technology, Brisbane, Australia
| | - A Memaj
- Global Biometrics and Data Sciences, Bristol Myers Squibb, Princeton
| | - F Nathan
- OneClinical, Bristol Myers Squibb, Princeton
| | - P Tran
- WW Medical Oncology Department, Bristol Myers Squibb, Princeton
| | - M D Hellmann
- Department of Medical Oncology, Memorial Sloan Kettering Cancer Center, New York
| | - J R Brahmer
- Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins Kimmel Cancer Center, Baltimore, USA
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Chiu A, Jia W, Sun Y, Goldman J, Zhao F. Fibroblast-Generated Extracellular Matrix Guides Anastomosis during Wound Healing in an Engineered Lymphatic Skin Flap. Bioengineering (Basel) 2023; 10:bioengineering10020149. [PMID: 36829643 PMCID: PMC9952048 DOI: 10.3390/bioengineering10020149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 01/04/2023] [Accepted: 01/17/2023] [Indexed: 01/25/2023] Open
Abstract
A healthy lymphatic system is required to return excess interstitial fluid back to the venous circulation. However, up to 49% of breast cancer survivors eventually develop breast cancer-related lymphedema due to lymphatic injuries from lymph node dissections or biopsies performed to treat cancer. While early-stage lymphedema can be ameliorated by manual lymph drainage, no cure exists for late-stage lymphedema when lymph vessels become completely dysfunctional. A viable late-stage treatment is the autotransplantation of functional lymphatic vessels. Here we report on a novel engineered lymphatic flap that may eventually replace the skin flaps used in vascularized lymph vessel transfers. The engineered flap mimics the lymphatic and dermal compartments of the skin by guiding multi-layered tissue organization of mesenchymal stem cells and lymphatic endothelial cells with an aligned decellularized fibroblast matrix. The construct was tested in a novel bilayered wound healing model and implanted into athymic nude rats. The in vitro model demonstrated capillary invasion into the wound gaps and deposition of extracellular matrix fibers, which may guide anastomosis and vascular integration of the graft during wound healing. The construct successfully anastomosed in vivo, forming chimeric vessels of human and rat cells. Overall, our flap replacement has high potential for treating lymphedema.
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Affiliation(s)
- Alvis Chiu
- Stem Cell and Tissue Engineering Lab, Department of Biomedical Engineering, College of Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Wenkai Jia
- Stem Cell and Tissue Engineering Lab, Department of Biomedical Engineering, College of Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Yumeng Sun
- Stem Cell and Tissue Engineering Lab, Department of Biomedical Engineering, College of Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Jeremy Goldman
- Vascular Materials Lab, Department of Biomedical Engineering, College of Engineering, Michigan Technological University, Houghton, MI 49931, USA
| | - Feng Zhao
- Stem Cell and Tissue Engineering Lab, Department of Biomedical Engineering, College of Engineering, Texas A&M University, College Station, TX 77843, USA
- Correspondence:
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John T, Grohe C, Goldman J, De Marinis F, Kato T, Wang Q, Choi JH, Melotti B, Fidler M, Sainsbury L, Stachowiak M, Taggart S, Wu YL, Tsuboi M, Herbst R, Majem Tarruella M. LBA5 Long-term tolerability of adjuvant osimertinib in patients with resected EGFR-mutated (EGFRm) stage IB–IIIA non-small cell lung cancer (NSCLC) from ADAURA. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.10.323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
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7
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Smith C, Abtin F, Xiang M, Yoon S, Ruan D, Goldman J, Cummings A, Lisberg A, Garon E, Barjaktarevic I, Moghanaki D. Incidence of Radiation Pneumonitis Among Patients Treated with Concurrent Thoracic Radiotherapy and Osimertinib for Metastatic Non-Small Cell Lung Cancer. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.1547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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8
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Goldman J, Martínez Bueno A, Dooms C, Jhaveri K, de Miguel M, Piha-Paul S, Unni N, Mahipal A, Suga J, Naltet C, Zick A, Antoñanzas Basa M, Crown J, Chae Y, DiPrimeo D, Eli L, McCulloch L, Mahalingam D. Neratinib efficacy in patients with EGFR exon 18-mutant non-small-cell lung cancer: findings from the SUMMIT basket trial. Eur J Cancer 2022. [DOI: 10.1016/s0959-8049(22)01017-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Goldman J, Cummings A, Mendenhall M, Velez M, Babu S, Johnson T, Alcantar J, Dakhil S, Kanamori D, Lawler W, Anand S, Chauv J, Garon E, Slamon D. OA12.03 Phase 2 Study Analysis of Talazoparib (TALA) Plus Temozolomide (TMZ) for Extensive-Stage Small Cell Lung Cancer (ES-SCLC). J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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10
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Goldman J, Huang H, Cummings A, Noor Z, Slomowitz S, Kirimis E, Olevsky O, Arzoo K, Ashouri S, DiCarlo B, Hu EL, Wong D, Chauv J, Garon E, Yarden Y, Slamon D. MA07.05 Phase 1b/2 Study of Combined HER Inhibition in Refractory EGFR-mutated Metastatic Non-small Cell Lung Cancer (NSCLC). J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Jia W, He W, Wang G, Goldman J, Zhao F. Enhancement of Lymphangiogenesis by Human Mesenchymal Stem Cell Sheet. Adv Healthc Mater 2022; 11:e2200464. [PMID: 35678079 DOI: 10.1002/adhm.202200464] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/08/2022] [Indexed: 01/24/2023]
Abstract
Preparation of human mesenchymal stem cell (hMSC) suspension for lymphedema treatment relies on conventional enzymatic digestion methods, which severely disrupts cell-cell and cell-extracellular matrix (ECM) connections, and drastically impairs cell retention and engraftment after transplantation. The objective of the present study is to evaluate the ability of hMSC-secreted ECM to augment lymphangiogenesis by using an in vitro coculturing model of hMSC sheets with lymphatic endothelial cells (LECs) and an in vivo mouse tail lymphedema model. Results demonstrate that the hMSC-secreted ECM augments the formation of lymphatic capillary-like structure by a factor of 1.2-3.6 relative to the hMSC control group, by serving as a prolymphangiogenic growth factor reservoir and facilitating cell regenerative activities. hMSC-derived ECM enhances MMP-2 mediated matrix remodeling, increases the synthesis of collagen IV and laminin, and promotes lymphatic microvessel-like structure formation. The injection of rat MSC sheet fragments into a mouse tail lymphedema model confirms the benefits of the hMSC-derived ECM by stimulating lymphangiogenesis and wound closure.
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Affiliation(s)
- Wenkai Jia
- Department of Biomedical Engineering, Texas A&M University, 101 Bizzell St, Emerging Technologies Building, College Station, TX, 77843, USA
| | - Weilue He
- Department of Biomedical Engineering, Michigan Technological University, Minerals & Materials Building, 1400 Townsend Drive, Room 309, Houghton, MI, 44931, USA
| | - Guifang Wang
- Department of Biomedical Engineering, Michigan Technological University, Minerals & Materials Building, 1400 Townsend Drive, Room 309, Houghton, MI, 44931, USA
| | - Jeremy Goldman
- Department of Biomedical Engineering, Michigan Technological University, Minerals & Materials Building, 1400 Townsend Drive, Room 309, Houghton, MI, 44931, USA
| | - Feng Zhao
- Department of Biomedical Engineering, Texas A&M University, 101 Bizzell St, Emerging Technologies Building, College Station, TX, 77843, USA
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Sikora-Jasinska M, Morath LM, Kwesiga MP, Plank ME, Nelson AL, Oliver AA, Bocks ML, Guillory RJ, Goldman J. In-vivo evaluation of molybdenum as bioabsorbable stent candidate. Bioact Mater 2022; 14:262-271. [PMID: 35310360 PMCID: PMC8897701 DOI: 10.1016/j.bioactmat.2021.11.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 10/13/2021] [Accepted: 11/05/2021] [Indexed: 12/19/2022] Open
Abstract
Biodegradable stents have tremendous theoretical potential as an alternative to bare metal stents and drug-eluting stents for the treatment of obstructive coronary artery disease. Any bioresorbable or biodegradable scaffold material needs to possess optimal mechanical properties and uniform degradation behavior that avoids local and systemic toxicity. Recently, molybdenum (Mo) has been investigated as a potential novel biodegradable material for this purpose. With its proven moderate degradation rate and excellent mechanical properties, Mo may represent an ideal source material for clinical cardiac and vascular applications. The present study was performed to evaluate the mechanical performance of metallic Mo in vitro and the biodegradation properties in vivo. The results demonstrated favorable mechanical behavior and a uniform degradation profile as desired for a new generation ultra-thin degradable endovascular stent material. Moreover, Mo implants in mouse arteries avoided the typical cellular response that contributes to restenosis. There was minimal neointimal hyperplasia over 6 months, an absence of excessive smooth muscle cell (SMC) proliferation or inflammation near the implant, and avoidance of significant harm to regenerating endothelial cells (EC). Qualitative inspection of kidney sections showed a potentially pathological remodeling of kidney Bowman's capsule and glomeruli, indicative of impaired filtering function and development of kidney disease, although quantifications of these morphological changes were not statistically significant. Together, the results suggest that the products of Mo corrosion may exert beneficial or inert effects on the activities of inflammatory and arterial cells, while exerting potentially toxic effects in the kidneys that warrant further investigation. Mo implants in mouse arteries avoided neointimal hyperplasia over 6 months. Quantification of CD31-labeled arterial sections showed an avoidance of significant harm to regenerating endothelial cells for the Mo implants. Qualitative inspection of kidney sections showed a potential pathological remodeling, indicative of possible impaired filtering function.
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Bagshaw OR, Moradi F, Moffatt CS, Hettwer HA, Liang P, Goldman J, Drelich JW, Stuart JA. Bioabsorbable metal zinc differentially affects mitochondria in vascular endothelial and smooth muscle cells. Biomater Biosyst 2021; 4:100027. [PMID: 36824572 PMCID: PMC9934485 DOI: 10.1016/j.bbiosy.2021.100027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 08/09/2021] [Accepted: 08/25/2021] [Indexed: 12/13/2022] Open
Abstract
Zinc is an essential trace element having various structural, catalytic and regulatory interactions with an estimated 3000 proteins. Zinc has drawn recent attention for its use, both as pure metal and alloyed, in arterial stents due to its biodegradability, biocompatibility, and low corrosion rates. Previous studies have demonstrated that zinc metal implants prevent the development of neointimal hyperplasia, which is a common cause of restenosis following coronary intervention. This suppression appears to be smooth muscle cell-specific, as reendothelization of the neointima is not inhibited. To better understand the basis of zinc's differential effects on rat aortic smooth muscle (RASMC) versus endothelial (RAENDO) cells, we conducted a transcriptomic analysis of both cell types following one-week continuous treatment with 5 µM or 50 µM zinc. This analysis indicated that genes whose protein products regulate mitochondrial functions, including oxidative phosphorylation and fusion/fission, are differentially affected by zinc in the two cell types. To better understand this, we performed Seahorse metabolic flux assays and quantitative imaging of mitochondrial networks in both cell types. Zinc treatment differently affected energy metabolism and mitochondrial structure/function in the two cell types. For example, both basal and maximal oxygen consumption rates were increased by zinc in RASMC but not in RAENDO. Zinc treatment increased apparent mitochondrial fusion in RASMC cells but increased mitochondrial fission in RAENDO cells. These results provide some insight into the mechanisms by which zinc treatment differently affects the two cell types and this information is important for understanding the role of zinc treatment in vascular cells and improving its use in biodegradable metal implants.
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Affiliation(s)
- Olivia R.M. Bagshaw
- Department of Biological Sciences, Brock University, 1812 Sir Isaac Brock Way, St. Catharines, Ontario L2S3A1, Canada
| | - Fereshteh Moradi
- Department of Biological Sciences, Brock University, 1812 Sir Isaac Brock Way, St. Catharines, Ontario L2S3A1, Canada
| | - Christopher S. Moffatt
- Department of Biological Sciences, Brock University, 1812 Sir Isaac Brock Way, St. Catharines, Ontario L2S3A1, Canada
| | - Hillary A. Hettwer
- Department of Biological Sciences, Brock University, 1812 Sir Isaac Brock Way, St. Catharines, Ontario L2S3A1, Canada
| | - Ping Liang
- Department of Biological Sciences, Brock University, 1812 Sir Isaac Brock Way, St. Catharines, Ontario L2S3A1, Canada
| | - Jeremy Goldman
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, United States
| | - Jaroslaw W. Drelich
- Department of Materials Science and Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, United States
| | - Jeffrey A. Stuart
- Department of Biological Sciences, Brock University, 1812 Sir Isaac Brock Way, St. Catharines, Ontario L2S3A1, Canada
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Lisberg A, Liu B, Salehi-Rad R, Lee J, Tran L, Kostyantyn K, Lim R, Dumitras C, Jing Z, Abtin F, Suh R, Genshaft S, Fishbein G, Kaul A, Kahlon K, Ashouri S, Goldman J, Elashoff D, Garon E, Dubinett S. P11.01 Phase I Trial of in Situ Vaccination With Autologous CCL21-Modified Dendritic Cells (CCL21-DC) Combined With Pembrolizumab for Advanced NSCLC. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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15
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Pash E, Bialonczyk D, Madaghiele M, Demitri C, Goldman J, Sannino A. Unique Physical Properties of an Oral Super Absorbent Hydrogel compared to Common Fiber Supplements. J Acad Nutr Diet 2021. [DOI: 10.1016/j.jand.2021.08.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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16
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Goldman J, Moiseenko F, Cicin I, Horinouchi H, Filippova E, Bar J, Lu S, Tomasini P, Ocampo C, Sullivan D, Maag D, Motwani M, Jin J, Camidge D. P47.03 Telisotuzumab Vedotin Monotherapy in Patients With Previously Treated c-Met+ Advanced Non-Small Cell Lung Cancer: Stage 2. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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17
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Camidge D, Moiseenko F, Cicin I, Horinouchi H, Filippova E, Bar J, Lu S, Tomasini P, Ocampo C, Sullivan D, Maag D, Goldman J. OA15.04 Telisotuzumab Vedotin (teliso-v) Monotherapy in Patients With Previously Treated c-Met+ Advanced Non-Small Cell Lung Cancer. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.085] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Perets T, Ben Ghedalia-Peled N, Vago R, Goldman J, Shirizly A, Aghion E. In vitro behavior of bioactive hybrid implant composed of additively manufactured titanium alloy lattice infiltrated with Mg-based alloy. Mater Sci Eng C Mater Biol Appl 2021; 129:112418. [PMID: 34579927 DOI: 10.1016/j.msec.2021.112418] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 08/03/2021] [Accepted: 08/27/2021] [Indexed: 10/20/2022]
Abstract
We have developed a novel bioactive hybrid metallic implant that integrates the beneficial characteristics of a permanent matrix and a biodegradable substance. Such a combination may generate a material system that evolves into a porous structure within weeks to months following implantation and can be used to form strong interfacial bonding and osseointegration for orthopedic and dental applications. Presently, traditional technologies such as casting, powder metallurgy and plastic forming have limited ability to produce the complex bioactive implant structures that are required in practical applications. The present study aimed to develop an innovative bioactive TiMg (BTiMg) hybrid system using a Ti-lattice (Ti-6Al-4 V) produced by an additive manufacturing (AM) process, in combination with a new Mg-based alloy (Mg-2.4%Nd -0.6%Y -0.3%Zr) as a biodegradable filling material. We evaluated the in-vitro behavior of the BTiMg system in a simulated physiological environment, along with cytotoxicity assessment. The microstructure was evaluated by scanning electron microscopy and X-ray diffraction, mechanical properties were examined in terms of compressive strength, environmental performance analysis was conducted by electrochemical testing using potentiodynamic polarization and impedance spectroscopy (EIS), and cytotoxicity characteristics were assessed by indirect cell viability analysis. The results demonstrated the feasibility to produce geometrically complex implants by AM technology, as well as the strength and non-cytotoxic effects of the BTiMg system. Benefits included a relatively high ultimate compressive strength (UCS) and a high yield point (YP), along with an adequate cell viability response in the range between 70 and 120%.
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Affiliation(s)
- Tohar Perets
- Department of Materials Engineering, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Noa Ben Ghedalia-Peled
- Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Razi Vago
- Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Jeremy Goldman
- Biomedical Engineering Department, Michigan Technological University, Houghton, MI 49931, USA.
| | - Amnon Shirizly
- Department of Materials Engineering, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Eli Aghion
- Department of Materials Engineering, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
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Jia W, Hitchcock-Szilagyi H, He W, Goldman J, Zhao F. Engineering the Lymphatic Network: A Solution to Lymphedema. Adv Healthc Mater 2021; 10:e2001537. [PMID: 33502814 PMCID: PMC8483563 DOI: 10.1002/adhm.202001537] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 11/06/2020] [Indexed: 12/18/2022]
Abstract
Secondary lymphedema is a life-long disorder characterized by chronic tissue swelling and inflammation that obstruct interstitial fluid circulation and immune cell trafficking. Regenerating lymphatic vasculatures using various strategies represents a promising treatment for lymphedema. Growth factor injection and gene delivery have been developed to stimulate lymphangiogenesis and augment interstitial fluid resorption. Using bioengineered materials as growth factor delivery vehicles allows for a more precisely targeted lymphangiogenic activation within the injured site. The implantation of prevascularized lymphatic tissue also promotes in situ lymphatic capillary network formation. The engineering of larger scale lymphatic tissues, including lymphatic collecting vessels and lymph nodes constructed by bioengineered scaffolds or decellularized animal tissues, offers alternatives to reconnecting damaged lymphatic vessels and restoring lymph circulation. These approaches provide lymphatic vascular grafting materials to reimpose lymphatic continuity across the site of injury, without creating secondary injuries at donor sites. The present work reviews molecular mechanisms mediating lymphatic system development, approaches to promoting lymphatic network regeneration, and strategies for engineering lymphatic tissues, including lymphatic capillaries, collecting vessels, and nodes. Challenges of advanced translational applications are also discussed.
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Affiliation(s)
- Wenkai Jia
- Department of Biomedical Engineering, Texas A&M University, College Station, TX 77845
| | | | - Weilue He
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931
| | - Jeremy Goldman
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931
| | - Feng Zhao
- Department of Biomedical Engineering, Texas A&M University, College Station, TX 77845
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20
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Cho B, Piotrowska Z, Le X, Goldberg S, Goldman J, De Langen A, Okamoto I, Smith P, Mensi I, Maidment J, Hartmaier R, Li M, Doughton G, Patel G, Pease J, Szekeres P, Riess J, Yu H. P76.27 ORCHARD: A Biomarker-Directed Phase 2 Platform Study in pts with Advanced EGFRm NSCLC Progressing on First-Line Osimertinib. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.1084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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21
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Rotow J, Patel J, Hanley M, Yu H, Goldman J, Nechustan H, Scheffler M, Awad M, Clifford S, Santucci A, Silva L, Tupper R, Oxnard G, Kherani J, Drilon A. FP14.07 Combination Osimertinib plus Selpercatinib for EGFR-mutant Non-Small Cell Lung Cancer (NSCLC) with Acquired RET fusions. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.150] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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22
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Reinmuth N, Garassino M, Trukhin D, Hochmair M, Özgüroğlu M, Havel L, Goldman J, Chen Y, Losonczy G, Spinnato F, Conev N, Bar J, Broadhurst H, Byrne N, Jiang H, Paz-Ares L. P48.03 First-Line Durvalumab plus Platinum-Etoposide in ES-SCLC: Exploratory Analyses Based on Extent of Disease in CASPIAN. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.873] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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23
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Wu Y, John T, Grohe C, Majem M, Goldman J, Kim S, Kato T, Laktionov K, Vu H, Wang Z, Lu S, Lee K, Akewanlop C, Yu C, De Marinis F, Bonanno L, Domine M, Shepherd F, Zeng L, Atasoy A, Herbst R, Tsuboi M. OA06.04 Postoperative Chemotherapy Use and Outcomes from ADAURA: Osimertinib as Adjuvant Therapy for Resected EGFR Mutated NSCLC. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.292] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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24
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Boni V, Dooms C, Haley B, Viteri S, Mahipal A, Suga J, Eli L, Lalani A, Bryce R, Xu F, Shah N, Kabbinavar F, Goldman J. OA04.06 Neratinib in Pretreated EGFR Exon 18-Mutant Non-Small Cell Lung Cancer (NSCLC): Initial Findings From the SUMMIT Basket Trial. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.286] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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25
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Goldman J. M227 WHEN CD8 ENTERS THE CSF: A RARE PRESENTATION OF CNS IMMUNE RECONSTITUTION INFLAMMATORY SYNDROME. Ann Allergy Asthma Immunol 2020. [DOI: 10.1016/j.anai.2020.08.255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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26
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Oliver AA, Guillory RJ, Flom KL, Morath LM, Kolesar TM, Mostaed E, Sikora-Jasinska M, Drelich JW, Goldman J. Analysis of vascular inflammation against bioresorbable Zn-Ag based alloys. ACS Appl Bio Mater 2020; 3:6779-6789. [PMID: 33644704 PMCID: PMC7905847 DOI: 10.1021/acsabm.0c00740] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Zinc (Zn) has emerged as a promising bioresorbable stent material due to its satisfactory corrosion behavior and excellent biocompatibility. However, for load bearing implant applications, alloying is required to boost its mechanical properties as pure Zn exhibits poor strength. Unfortunately, an increase in inflammation relative to pure Zn is a commonly observed side-effect of Zn alloys. Consequently, the development of a Zn-based alloy that can simultaneously feature improved mechanical properties and suppress inflammatory responses is a big challenge. Here, a bioresorbable, biocompatible Zn-Ag-based quinary alloy was comprehensively evaluated in vivo, in comparison to reference materials. The inflammatory and smooth muscle cellular response was characterized and correlated to metrics of neointimal growth. We found that implantation of the quinary alloy was associated with significantly improved inflammatory activities relative to the reference materials. Additionally, we found that inflammation, but not smooth muscle cell hyperplasia, significantly correlates to neointimal growth for Zn alloys. The results suggest that inflammation is the main driver of neointimal growth for Zn-based alloys and that the quinary Zn-Ag-Mn-Zr-Cu alloy may impart inflammation-resistance properties to arterial implants.
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Affiliation(s)
- Alexander A. Oliver
- Department of Biomedical Engineering, Michigan Technological University, USA
| | - Roger J. Guillory
- Department of Biomedical Engineering, Michigan Technological University, USA
| | - Katie L. Flom
- Department of Biomedical Engineering, Michigan Technological University, USA
| | - Lea M. Morath
- Department of Biomedical Engineering, Michigan Technological University, USA
| | - Timothy M. Kolesar
- Department of Biomedical Engineering, Michigan Technological University, USA
| | - Ehsan Mostaed
- Department of Materials Science and Engineering, Michigan Technological University, USA
| | | | - Jaroslaw W. Drelich
- Department of Materials Science and Engineering, Michigan Technological University, USA
| | - Jeremy Goldman
- Department of Biomedical Engineering, Michigan Technological University, USA
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Guillory RJ, Kolesar TM, Oliver AA, Stuart JA, Bocks ML, Drelich JW, Goldman J. Zn 2+-dependent suppression of vascular smooth muscle intimal hyperplasia from biodegradable zinc implants. Mater Sci Eng C Mater Biol Appl 2020; 111:110826. [PMID: 32279804 PMCID: PMC7962177 DOI: 10.1016/j.msec.2020.110826] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 03/04/2020] [Accepted: 03/07/2020] [Indexed: 11/18/2022]
Abstract
Biodegradable arterial implants based on zinc have been found to suppress neointimal hyperplasia, suggesting that biodegradable materials containing zinc may be used to construct vascular implants with a reduced rate of restenosis. However, the molecular mechanism has remained unclear. In this report, we show that zinc-containing materials can be used to prevent neointimal formation when implanted into the rat aorta. Indeed, neointimal cells were significantly more TUNEL positive and alpha-actin negative at the interface of biodegradable zinc vs. biostable platinum implants, in association with greater caspase-3 activity. Although zinc stimulated extensive neointimal smooth muscle cell (SMC) death, macrophage and proinflammatory markers CD68 and iNOS were not increased in neointimal tissue relative to biostable platinum control implants. Using arterial explants, ionic zinc was confirmed to promote SMC apoptosis by activating the caspase apoptotic signaling pathway. These observations suggest that zinc-containing materials can be used to construct vascular implants such as stents with reduced neointimal hyperplasia.
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Affiliation(s)
- Roger J Guillory
- Department of Biomedical Engineering, Michigan Technological University, USA.
| | - Timothy M Kolesar
- Department of Biomedical Engineering, Michigan Technological University, USA
| | - Alexander A Oliver
- Department of Biomedical Engineering, Michigan Technological University, USA
| | | | - Martin L Bocks
- Case Western Reserve University School of Medicine, UH Rainbow Babies & Children's Hospital, Cleveland, OH, USA
| | - Jaroslaw W Drelich
- Department of Materials Science and Engineering, Michigan Technological University, USA
| | - Jeremy Goldman
- Department of Biomedical Engineering, Michigan Technological University, USA.
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28
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Mostaed E, Sikora-Jasinska M, Ardakani MS, Mostaed A, Reaney IM, Goldman J, Drelich JW. Towards revealing key factors in mechanical instability of bioabsorbable Zn-based alloys for intended vascular stenting. Acta Biomater 2020; 105:319-335. [PMID: 31982587 PMCID: PMC7294534 DOI: 10.1016/j.actbio.2020.01.028] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 01/20/2020] [Accepted: 01/21/2020] [Indexed: 12/22/2022]
Abstract
Zn-based alloys are recognized as promising bioabsorbable materials for cardiovascular stents, due to their biocompatibility and favorable degradability as compared to Mg. However, both low strength and intrinsic mechanical instability arising from a strong strain rate sensitivity and strain softening behavior make development of Zn alloys challenging for stent applications. In this study, we developed binary Zn-4.0Ag and ternary Zn-4.0Ag-xMn (where x = 0.2-0.6wt%) alloys. An experimental methodology was designed by cold working followed by a thermal treatment on extruded alloys, through which the effects of the grain size and precipitates could be thoroughly investigated. Microstructural observations revealed a significant grain refinement during wire drawing, leading to an ultrafine-grained (UFG) structure with a size of 700 nm and 200 nm for the Zn-4.0Ag and Zn-4.0Ag-0.6Mn, respectively. Mn showed a powerful grain refining effect, as it promoted the dynamic recrystallization. Furthermore, cold working resulted in dynamic precipitation of AgZn3 particles, distributing throughout the Zn matrix. Such precipitates triggered mechanical degradation through an activation of Zn/AgZn3 boundary sliding, reducing the tensile strength by 74% and 57% for Zn-4.0Ag and Zn-4.0Ag-0.6Mn, respectively. The observed precipitation softening caused a strong strain rate sensitivity in cold drawn alloys. Short-time annealing significantly mitigated the mechanical instability by reducing the AgZn3 fraction. The ternary alloy wire showed superior microstructural stability relative to its Mn-free counterpart due to the pinning effect of Mn-rich particles on the grain boundaries. Eventually, a shift of the corrosion regime from localized to more uniform was observed after the heat treatment, mainly due to the dissolution of AgZn3 precipitates. STATEMENT OF SIGNIFICANCE: Owing to its promising biodegradability, zinc has been recognized as a potential biodegradable material for stenting applications. However, Zn's poor strength alongside intrinsic mechanical instability have propelled researchers to search for Zn alloys with improved mechanical properties. Although extensive researches have been conducted to satisfy the mentioned concerns, no Zn-based alloys with stabilized mechanical properties have yet been reported. In this work, the mechanical properties and stability of the Zn-Ag-based alloys were systematically evaluated as a function of microstructural features. We found that the microstructure design in Zn alloys can be used to find an effective strategy to not only improve the strength and suppress the mechanical instability but also to minimize any damage by augmenting the corrosion uniformity.
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Affiliation(s)
- Ehsan Mostaed
- Department of Materials Science and Engineering, Michigan Technological University, Houghton, MI 49931, USA.
| | - Malgorzata Sikora-Jasinska
- Department of Materials Science and Engineering, Michigan Technological University, Houghton, MI 49931, USA
| | - Morteza Shaker Ardakani
- Department of Materials Science and Engineering, Michigan Technological University, Houghton, MI 49931, USA
| | - Ali Mostaed
- Department of Engineering Materials, University of Sheffield, Sheffield S1 3JD, UK; Department of Materials, University of Oxford, 16 Parks Road, Oxford OX1 3PH, UK
| | - Ian M Reaney
- Department of Engineering Materials, University of Sheffield, Sheffield S1 3JD, UK
| | - Jeremy Goldman
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA
| | - Jaroslaw W Drelich
- Department of Materials Science and Engineering, Michigan Technological University, Houghton, MI 49931, USA
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29
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Oliver AA, Stinson JS, Osborne A, Taylor C, Goldman J, Kirkpatrick SJ. Comparison of optical microscopy and optical coherence tomography as quality assurance methods for evaluating lubricious hydrophilic coatings surrounding catheter shafts. J Biomed Mater Res B Appl Biomater 2020; 108:2538-2545. [PMID: 32078237 DOI: 10.1002/jbm.b.34585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 01/13/2020] [Accepted: 02/02/2020] [Indexed: 11/10/2022]
Abstract
Cardiac catheters are a vital tool in medicine due to their widespread use in many minimally invasive procedures. To aid in advancing the catheter within the patient's vasculature, many catheters are coated with a lubricious hydrophilic coating (HPC). Although HPCs benefit patients, their delamination during use is a serious safety concern. Adverse health effects associated with HPC delamination include pulmonary and myocardial embolism, embolic stroke, infarction, and death. In order to improve patient outcomes, more consistent manufacturing methods and improved quality assurance techniques are needed to evaluate HPC medical devices. The present work investigates the efficacy of two novel methods to image and evaluate HPCs post-manufacturing, relative to industry-standard scanning electron microscopy (SEM)-based methods. We have shown that novel evaluation approaches based on optical microscopy (OM) and optical coherence tomography (OCT) are capable of imaging HPC layers and quantifying HPC thickness, saving hours of time relative to SEM sample preparation and imaging. Additionally, the nondestructive nature of OCT avoids damage and alteration to the HPC prior to imaging, leading to more reliable HPC thickness measurements. Overall, the work demonstrated the feasibility and advantages of using OM and OCT to image and measure HPC thickness relative to industry-standard SEM methods.
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Affiliation(s)
- Alexander A Oliver
- Department of Biomedical Engineering, Michigan Technological University, Houghton, Michigan
| | | | | | | | - Jeremy Goldman
- Department of Biomedical Engineering, Michigan Technological University, Houghton, Michigan
| | - Sean J Kirkpatrick
- Department of Biomedical Engineering, Michigan Technological University, Houghton, Michigan
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30
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Heuer HW, Wang P, Rascovsky K, Wolf A, Appleby B, Bove J, Bordelon Y, Brannelly P, Brushaber DE, Caso C, Coppola G, Dickerson B, Dickinson S, Domoto-Reilly K, Faber K, Ferrall J, Fields J, Fishman A, Fong J, Foroud T, Forsberg LK, Gearhart D, Ghazanfari B, Ghoshal N, Goldman J, Graff-Radford J, Graff-Radford N, Grant I, Grossman M, Haley D, Hsiung GY, Huey E, Irwin D, Jones D, Kantarci K, Karydas A, Kaufer D, Kerwin D, Knopman D, Kornak J, Kramer JH, Kraft R, Kremers WK, Kukull W, Litvan I, Ljubenkov P, Mackenzie IR, Maldonado M, Manoochehri M, McGinnis S, McKinley E, Mendez MF, Miller BL, Onyike C, Pantelyat A, Pearlman R, Petrucelli L, Potter M, Rademakers R, Ramos EM, Rankin KP, Roberson ED, Rogalski E, Sengdy P, Shaw L, Syrjanen J, Tartaglia MC, Tatton N, Taylor J, Toga A, Trojanowski J, Weintraub S, Wong B, Wszolek Z, Boeve BF, Rosen HJ, Boxer AL. Comparison of sporadic and familial behavioral variant frontotemporal dementia (FTD) in a North American cohort. Alzheimers Dement 2020; 16:60-70. [PMID: 31914226 PMCID: PMC7192555 DOI: 10.1002/alz.12046] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Behavioral variant frontotemporal dementia (bvFTD) may present sporadically or due to an autosomal dominant mutation. Characterization of both forms will improve understanding of the generalizability of assessments and treatments. METHODS A total of 135 sporadic (s-bvFTD; mean age 63.3 years; 34% female) and 99 familial (f-bvFTD; mean age 59.9; 48% female) bvFTD participants were identified. f-bvFTD cases included 43 with known or presumed chromosome 9 open reading frame 72 (C9orf72) gene expansions, 28 with known or presumed microtubule-associated protein tau (MAPT) mutations, 14 with known progranulin (GRN) mutations, and 14 with a strong family history of FTD but no identified mutation. RESULTS Participants with f-bvFTD were younger and had earlier age at onset. s-bvFTD had higher total Neuropsychiatric Inventory Questionnaire (NPI-Q) scores due to more frequent endorsement of depression and irritability. DISCUSSION f-bvFTD and s-bvFTD cases are clinically similar, suggesting the generalizability of novel biomarkers, therapies, and clinical tools developed in either form to the other.
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Affiliation(s)
- Hilary W Heuer
- University of California, San Francisco, San Francisco, California
| | - P Wang
- University of California, San Francisco, San Francisco, California
| | - K Rascovsky
- University of Pennsylvania, Philadelphia, Pennsylvania
| | - A Wolf
- University of California, San Francisco, San Francisco, California
| | - B Appleby
- Case Western Reserve University, Cleveland, Ohio
| | - J Bove
- University of Pennsylvania, Philadelphia, Pennsylvania
| | - Y Bordelon
- University of California, Los Angeles, Los Angeles, California
| | - P Brannelly
- Tau Consortium, Rainwater Charitable Foundation, Fort Worth, Texas
| | | | - C Caso
- U Washington, Seattle, Washington
| | - G Coppola
- University of California, Los Angeles, Los Angeles, California
| | - B Dickerson
- Harvard University/MGH, Boston, Massachusetts
| | - S Dickinson
- Association for Frontotemporal Degeneration, Radnor, Pennsylvania
| | | | - K Faber
- National Centralized Repository for Alzheimer's Disease and Related Disorders (NCRAD), Indiana University, Indianapolis, Indiana
| | - J Ferrall
- University of North Carolina, Chapel Hill, North Carolina
| | - J Fields
- Mayo Clinic, Rochester, Minnesota
| | - A Fishman
- Johns Hopkins University, Baltimore, Maryland
| | - J Fong
- University of California, San Francisco, San Francisco, California
| | - T Foroud
- National Centralized Repository for Alzheimer's Disease and Related Disorders (NCRAD), Indiana University, Indianapolis, Indiana
| | | | | | | | - N Ghoshal
- Washington University, St. Louis, Missouri
| | - J Goldman
- Columbia University, New York, New York
| | | | | | - I Grant
- Northwestern University, Chicago, Illinois
| | - M Grossman
- University of Pennsylvania, Philadelphia, Pennsylvania
| | - D Haley
- Mayo Clinic, Jacksonville, Florida
| | - G-Y Hsiung
- University of British Columbia, Vancouver, British Columbia, Canada
| | - E Huey
- Columbia University, New York, New York
| | - D Irwin
- University of Pennsylvania, Philadelphia, Pennsylvania
| | - D Jones
- Mayo Clinic, Rochester, Minnesota
| | | | - A Karydas
- University of California, San Francisco, San Francisco, California
| | - D Kaufer
- University of North Carolina, Chapel Hill, North Carolina
| | - D Kerwin
- The University of Texas, Southwestern Medical Center at Dallas, Dallas, Texas
| | | | - J Kornak
- University of California, San Francisco, San Francisco, California
| | - J H Kramer
- University of California, San Francisco, San Francisco, California
| | - R Kraft
- Mayo Clinic, Rochester, Minnesota
| | | | - W Kukull
- National Alzheimer Coordinating Center (NACC), University of Washington, Seattle, Washington
| | - I Litvan
- University of California, San Diego, San Diego, California
| | - P Ljubenkov
- University of California, San Francisco, San Francisco, California
| | - I R Mackenzie
- University of British Columbia, Vancouver, British Columbia, Canada
| | - M Maldonado
- University of California, Los Angeles, Los Angeles, California
| | | | - S McGinnis
- Harvard University/MGH, Boston, Massachusetts
| | - E McKinley
- University of Alabama at Birmingham, Birmingham, Alabama
| | - M F Mendez
- University of California, Los Angeles, Los Angeles, California
| | - B L Miller
- University of California, San Francisco, San Francisco, California
| | - C Onyike
- Johns Hopkins University, Baltimore, Maryland
| | - A Pantelyat
- Johns Hopkins University, Baltimore, Maryland
| | - R Pearlman
- Bluefield Project, San Francisco, California
| | | | - M Potter
- National Centralized Repository for Alzheimer's Disease and Related Disorders (NCRAD), Indiana University, Indianapolis, Indiana
| | | | - E M Ramos
- University of California, Los Angeles, Los Angeles, California
| | - K P Rankin
- University of California, San Francisco, San Francisco, California
| | - E D Roberson
- University of Alabama at Birmingham, Birmingham, Alabama
| | - E Rogalski
- Northwestern University, Chicago, Illinois
| | - P Sengdy
- University of British Columbia, Vancouver, British Columbia, Canada
| | - L Shaw
- University of Pennsylvania, Philadelphia, Pennsylvania
| | | | | | - N Tatton
- Association for Frontotemporal Degeneration, Radnor, Pennsylvania
| | - J Taylor
- University of California, San Francisco, San Francisco, California
| | - A Toga
- Laboratory of Neuroimaging (LONI), USC, Los Angeles, California
| | | | | | - B Wong
- Harvard University/MGH, Boston, Massachusetts
| | | | | | - H J Rosen
- University of California, San Francisco, San Francisco, California
| | - A L Boxer
- University of California, San Francisco, San Francisco, California
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Cummings A, Goldman J, Mendenhall M, Kanamori D, Nguyen A, Kim D, Wainberg Z. P2.12-09 Phase 2 Study of Talazoparib Plus Low-Dose Temozolomide in Patients with Relapsed/Refractory Extensive-Stage Small Cell Lung Cancer. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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32
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Camidge D, Barlesi F, Goldman J, Morgensztern D, Heist R, Vokes E, Spira A, Angevin E, Su W, Hong D, Strickler J, Motwani M, Sun Z, Parikh A, Komarnitsky P, Wu J, Kelly K. MA14.03 EGFR M+ Subgroup of Phase 1b Study of Telisotuzumab Vedotin (Teliso-V) Plus Erlotinib in c-Met+ Non-Small Cell Lung Cancer. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.612] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Paz-Ares L, Chen Y, Reinmuth N, Hotta K, Trukhin D, Statsenko G, Hochmair M, Özgüroğlu M, Ji J, Voitko O, Poltoratskiy A, Ponce S, Verderame F, Havel L, Bondarenko I, Kazarnowicz A, Losonczy G, Conev N, Armstrong J, Byrne N, Shire N, Jiang H, Goldman J. PL02.11 Overall Survival with Durvalumab Plus Etoposide-Platinum in First-Line Extensive-Stage SCLC: Results from the CASPIAN Study. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.061] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Lee P, Luterstein E, Goldman J, Garon E, Lee J, Felix C, Cao M, Tenn S, Low D, Kupelian P, Steinberg M. Accelerated Hypofractionated CRT Followed by SABR Boost (HyCRT-SABR) for Locally Advanced Unresectable NSCLC: A Prospective Phase II Radiation Dose-Escalation Study. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.469] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Guillory RJ, Sikora-Jasinska M, Drelich JW, Goldman J. In Vitro Corrosion and in Vivo Response to Zinc Implants with Electropolished and Anodized Surfaces. ACS Appl Mater Interfaces 2019; 11:19884-19893. [PMID: 31058494 DOI: 10.1021/acsami.9b05370] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Zinc (Zn)-based biodegradable metals have been widely investigated for cardiovascular stent and orthopedic applications. However, the effect of Zn surface features on adverse biological responses has not been well established. Here, we hypothesized that a metallic zinc implant's surface oxide film character may critically influence early neointimal growth and development. Electropolishing of surfaces has become the industry standard for metallic stents, while anodization of surfaces, although not practiced on stents at present, could increase the thickness of the stable oxide film and delay early-stage implant degradation. In this study, pure zinc samples were electropolished (EP) and anodized (AD) to engineer oxide films with distinctive physical and degradation characteristics, as determined by potentiodynamic polarization, electrochemical impedance spectroscopy, and static immersion tests. The samples were then implanted within the aortic lumen of adult Sprague-Dawley rats to determine the influence of surface engineering on biocompatibility responses to Zn implants. It was found that in vitro corrosion produced a porous corrosion layer for the EP samples and a densified layer on the AD samples. The AD material was more resistant to corrosion, while localized corrosion and pitting was seen on the EP surface. Interestingly, the increased variability from localized corrosion due to the surface film character translated directly to the in vivo performance, where 100% of the AD implants but only 44% of the EP implants met the biocompatibility benchmarks. Overall, the results suggest that oxide films on degradable zinc critically affect early neointimal progression and overall success of degradable Zn materials.
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Guillory RJ, Oliver AA, Davis E, Earley EJ, Drelich JW, Goldman J. Preclinical In-Vivo Evaluation and Screening of Zinc Based Degradable Metals for Endovascular Stents. JOM (1989) 2019; 71:1436-1446. [PMID: 33731979 PMCID: PMC7962665 DOI: 10.1007/s11837-019-03371-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 01/30/2019] [Indexed: 06/01/2023]
Abstract
Zinc alloy development and characterization for vascular stent application has been facilitated by many standardized and inexpensive methods. In contrast, overly simplistic in vitro approaches dominate the preliminary biological testing of materials. In 2012, our group introduced a metal wire implantation model in rats as a cost effective and realistic approach for the biocompatibility evaluation of degradable materials in the vascular environment. Here, we have adapted metrics routinely used for evaluating stents to quantitatively characterize the long-term progression of the neointima that forms around zinc based wire implants. Histological cross-sections were used to measure the length of neointimal protrusion from the wire into the lumen (denoted wire to lumen thickness), the base neointimal length (describing the breadth of neointimal activation), and the neointimal area. These metrics were used to provide in depth characterization details for neointimal responses to Zn-Mg and Zn-Li alloys and may be used to compare different materials.
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Affiliation(s)
- Roger J. Guillory
- Department of Biomedical Engineering, Michigan Technological University, USA
| | - Alexander A. Oliver
- Department of Biomedical Engineering, Michigan Technological University, USA
| | - Emma Davis
- Department of Biomedical Engineering, Michigan Technological University, USA
| | - Elisha J. Earley
- Department of Biomedical Engineering, Michigan Technological University, USA
| | - Jaroslaw W. Drelich
- Department of Materials Science and Engineering, Michigan Technological University, USA
| | - Jeremy Goldman
- Department of Biomedical Engineering, Michigan Technological University, USA
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Garon E, Wong D, Schneider J, Aljumaily R, Korn W, Patel M, Autio K, Papadopoulos K, Naing A, Gabrail N, Munster P, Goldman J, Hung A, Oft M, Leveque J, Spigel D. Responses and durability of clinical benefit in non-small cell lung cancer treated with pegilodecakin in combination with anti-PD-1 inhibitors. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy288.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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38
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Camidge R, Heist R, Goldman J, Angevin E, Strickler J, Morgensztern D, Barve M, Bauer T, Vokes E, Yi T, Motwani M, Parikh A, Wu J, Kelly K. An open-label, multicenter, phase I study of ABBV-399 (telisotuzumab vedotin, teliso-V) as monotherapy (T) and in combination with erlotinib (T+E) in non-small cell lung cancer (NSCLC). Ann Oncol 2018. [DOI: 10.1093/annonc/mdy292.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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39
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Fanelli Kuczmarski M, Sebastian R, Steinfeldt L, Goldman J, Murayi T, Moshfegh A, Zonderman A, Evans M. Flavonoid Intakes of Urban African American and White Adults. J Acad Nutr Diet 2018. [DOI: 10.1016/j.jand.2018.06.211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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40
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Hoy M, Goldman J, Steinfeldt L, Moshfegh A. Comparison of Weight Loss Approaches Used by Adults by Weight Loss Status. J Acad Nutr Diet 2018. [DOI: 10.1016/j.jand.2018.06.066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Radke D, Jia W, Sharma D, Fena K, Wang G, Goldman J, Zhao F. Tissue Engineering at the Blood-Contacting Surface: A Review of Challenges and Strategies in Vascular Graft Development. Adv Healthc Mater 2018; 7:e1701461. [PMID: 29732735 PMCID: PMC6105365 DOI: 10.1002/adhm.201701461] [Citation(s) in RCA: 136] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 02/09/2018] [Indexed: 12/14/2022]
Abstract
Tissue engineered vascular grafts (TEVGs) are beginning to achieve clinical success and hold promise as a source of grafting material when donor grafts are unsuitable or unavailable. Significant technological advances have generated small-diameter TEVGs that are mechanically stable and promote functional remodeling by regenerating host cells. However, developing a biocompatible blood-contacting surface remains a major challenge. The TEVG luminal surface must avoid negative inflammatory responses and thrombogenesis immediately upon implantation and promote endothelialization. The surface has therefore become a primary focus for research and development efforts. The current state of TEVGs is herein reviewed with an emphasis on the blood-contacting surface. General vascular physiology and developmental challenges and strategies are briefly described, followed by an overview of the materials currently employed in TEVGs. The use of biodegradable materials and stem cells requires careful control of graft composition, degradation behavior, and cell recruitment ability to ensure that a physiologically relevant vessel structure is ultimately achieved. The establishment of a stable monolayer of endothelial cells and the quiescence of smooth muscle cells are critical to the maintenance of patency. Several strategies to modify blood-contacting surfaces to resist thrombosis and control cellular recruitment are reviewed, including coatings of biomimetic peptides and heparin.
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Affiliation(s)
- Daniel Radke
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, U.S
| | - Wenkai Jia
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, U.S
| | - Dhavan Sharma
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, U.S
| | - Kemin Fena
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, U.S
| | - Guifang Wang
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, U.S
| | - Jeremy Goldman
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, U.S
| | - Feng Zhao
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, U.S
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DeRouin A, Guillory R, He W, Frost M, Goldman J, Ong KG. Magnetoelastic galfenol as a stent material for wirelessly controlled degradation rates. J Biomed Mater Res B Appl Biomater 2018; 107:232-241. [PMID: 29573134 DOI: 10.1002/jbm.b.34114] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 02/16/2018] [Accepted: 03/06/2018] [Indexed: 11/09/2022]
Abstract
The gold standard of care for coronary artery disease, a leading cause of death for in the world, is balloon angioplasty in conjunction with stent deployment. However, implantation injuries and long-term presence of foreign material often promotes significant luminal tissue growth, leading to a narrowing of the artery and severely restricted blood flow. A promising method to mitigate this process is the use of biodegradable metallic stents, but thus far they have either degraded too slowly (iron) or disappeared prematurely (magnesium). The present work investigates the use of a unique type of magnetic material, galfenol (iron-gallium), for postoperative wireless control of stent degradation rates. Due to its magnetoelastic property, galfenol experiences longitudinal micron-level elongations when exposed to applied magnetic fields, allowing generation of a microstirring effect that affect its degradation behavior. In vitro indirect cytotoxicity tests on primary rat aortic smooth muscle cells indicated that galfenol byproducts must be concentrated approximately seven times from collected 60 day degradation medium to cause ∼15% of death from all cells. Surface and cross-sectional characterization of the material indicate that galfenol (Fe80 Ga20 ) degradation rates (∼0.55% per month) are insufficient for stenting applications. While this material may not be ideal for comprising the entire stent, there is potential for use in combination with other materials. Furthermore, the ability to control degradation rates postimplantation opens new possibilities for biodegradable stents; additional magnetoelastic materials should be investigated for use in stenting applications. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 107B: 232-241, 2019.
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Affiliation(s)
- Andrew DeRouin
- Biomedical Engineering, Michigan Technological University, Houghton, Michigan, 49931
| | - Roger Guillory
- Biomedical Engineering, Michigan Technological University, Houghton, Michigan, 49931
| | - Weilue He
- Biomedical Engineering, Michigan Technological University, Houghton, Michigan, 49931
| | - Megan Frost
- Biomedical Engineering, Michigan Technological University, Houghton, Michigan, 49931
| | - Jeremy Goldman
- Biomedical Engineering, Michigan Technological University, Houghton, Michigan, 49931
| | - Keat Ghee Ong
- Biomedical Engineering, Michigan Technological University, Houghton, Michigan, 49931
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Rabe L, Goldman J, Bracken S, Juul J, Meyn L, Hillier S. Prevalence of candida africana among women with Vulvovaginal Candidiasis (VVC) and/or Bacterial Vaginosis (BV) in the United States. Am J Obstet Gynecol 2017. [DOI: 10.1016/j.ajog.2017.08.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Wong D, Schneider J, Aljumaily R, Korn W, Infante J, Patel M, Autio K, Papadopoulos K, Naing A, Gabrail N, Munster P, Goldman J, Ratti N, Van Vlasselaer P, Hung A, Oft M, Garon E. PEGylated human IL-10 (AM0010) in combination with an anti-PD-1 in advanced NSCLC. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx710] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Goldman J, Angevin E, Strickler J, Camidge D, Heist R, Morgensztern D, Barve M, Yue H, Beaulieu J, Motwani M, Afar D, Naumovski L, Kelly K. MA 02.10 Phase I Study of ABBV-399 (Telisotuzumab Vedotin) as Monotherapy and in Combination with Erlotinib in NSCLC. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.458] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Katarivas Levy G, Leon A, Kafri A, Ventura Y, Drelich JW, Goldman J, Vago R, Aghion E. Evaluation of biodegradable Zn-1%Mg and Zn-1%Mg-0.5%Ca alloys for biomedical applications. J Mater Sci Mater Med 2017; 28:174. [PMID: 28956207 DOI: 10.1007/s10856-017-5973-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2017] [Accepted: 09/01/2017] [Indexed: 06/07/2023]
Abstract
Increasing interest in biodegradable metals (Mg, Fe, and Zn) as structural materials for orthopedic and cardiovascular applications mainly relates to their promising biocompatibility, mechanical properties and ability to self-remove. However, Mg alloys suffer from excessive corrosion rates associated with premature loss of mechanical integrity and gas embolism risks. Fe based alloys produce voluminous corrosion products that have a detrimental effect on neighboring cells and extracellular matrix. In contrast, Zn does not appear to exhibit a harmful mode of corrosion. Unfortunately, pure zinc possesses insufficient mechanical strength for biomedical structural applications. The present study aimed at examining the potential of two new zinc based alloys, Zn-1%Mg and Zn-1%Mg-0.5%Ca to serve as structural materials for biodegradable implants. This examination was carried out under in vitro conditions, including immersion testing, potentiodynamic polarization analysis, electrochemical impedance spectroscopy (EIS), and stress corrosion cracking (SCC) assessments in terms of slow strain rate testing (SSRT). In order to assess the cytotoxicity of the tested alloys, cell viability was evaluated indirectly using Saos-2 cells. The results demonstrate that both zinc alloys can be considered as potential candidates for biodegradable implants, with a relative advantage to the Zn-1%Mg alloy in terms of its corrosion resistance and SCC performance.
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Affiliation(s)
- Galit Katarivas Levy
- Department of Materials Engineering, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel.
| | - Avi Leon
- Department of Materials Engineering, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel
| | - Alon Kafri
- Department of Materials Engineering, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel
| | - Yvonne Ventura
- Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel
| | - Jaroslaw W Drelich
- Materials Science and Engineering Department, Michigan Technological University, Houghton, MI, 49931, USA
| | - Jeremy Goldman
- Biomedical Engineering Department, Michigan Technological University, Houghton, MI, 49931, USA
| | - Razi Vago
- Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel
| | - Eli Aghion
- Department of Materials Engineering, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel
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Langer C, Anderson E, Jotte R, Goldman J, Haggstrom D, Modiano M, Socoteanu M, Smith D, Dahkil C, Konduri K, Kim E, Sanford A, Amiri K, Weiss J. Quality of life (QoL) in elderly NSCLC patients (pts) treated with nab-paclitaxel/carboplatin (nab-P/C) in the ABOUND.70+ trial. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx380.068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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48
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Garrido Lopez P, Goldman J, Kelly K, Kim E, Beck T, Alonso Garcia M, Yang Z, Ingram KJ, Amstutz L, John W, Provencio Pulla M. Efficacy and safety of abemaciclib combined with either LY3023414 or pembrolizumab in stage IV NSCLC. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx380.064] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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49
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Wong D, Schneider J, Aljumaily R, Korn M, Autio K, Infante J, Patel M, Papadopoulos K, Naing A, Gabrail N, Munster P, Goldman J, Van Vlasselaer P, Hung A, Brown G, Oft M, Garon E. Efficacy and immune activation with PEGylated human IL-10 (AM0010) in combination with an anti-PD1 in advanced NSCLC: Update. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx380.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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50
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Drelich AJ, Zhao S, Guillory RJ, Drelich JW, Goldman J. Long-term surveillance of zinc implant in murine artery: Surprisingly steady biocorrosion rate. Acta Biomater 2017; 58:539-549. [PMID: 28532901 PMCID: PMC5553077 DOI: 10.1016/j.actbio.2017.05.045] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Revised: 05/03/2017] [Accepted: 05/18/2017] [Indexed: 10/19/2022]
Abstract
Metallic zinc implanted into the abdominal aorta of rats out to 6months has been demonstrated to degrade while avoiding responses commonly associated with the restenosis of vascular implants. However, major questions remain regarding whether a zinc implant would ultimately passivate through the production of stable corrosion products or via a cell mediated fibrous encapsulation process that prevents the diffusion of critical reactants and products at the metal surface. Here, we have conducted clinically relevant long term in vivo studies in order to characterize late stage zinc implant biocorrosion behavior and products to address these critical questions. We found that zinc wires implanted in the murine artery exhibit steady corrosion without local toxicity for up to at least 20months post-implantation, despite a steady buildup of passivating corrosion products and intense fibrous encapsulation of the wire. Although fibrous encapsulation was not able to prevent continued implant corrosion, it may be related to the reduced chronic inflammation observed between 10 and 20months post-implantation. X-ray elemental and infrared spectroscopy analyses confirmed zinc oxide, zinc carbonate, and zinc phosphate as the main components of corrosion products surrounding the Zn implant. These products coincide with stable phases concluded from Pourbaix diagrams of a physiological solution and in vitro electrochemical impedance tests. The results support earlier predictions that zinc stents could become successfully bio-integrated into the arterial environment and safely degrade within a time frame of approximately 1-2years. STAEMENT OF SIGNIFICANCE Previous studies have shown zinc to be a promising candidate material for bioresorbable endovascular stenting applications. An outstanding question, however, is whether a zinc implant would ultimately passivate through the production of stable corrosion products or via a cell mediated tissue encapsulation process that prevented the diffusion of critical reactants and products at the metal surface. We found that zinc wires implanted in the murine artery exhibit steady corrosion for up to at least 20months post-implantation. The results confirm earlier predictions that zinc stents could safely degrade within a time frame of approximately 1-2years.
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Affiliation(s)
- Adam J Drelich
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA
| | - Shan Zhao
- Department of Material Science and Engineering, Michigan Technological University, Houghton, MI 49931, USA
| | - Roger J Guillory
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA
| | - Jaroslaw W Drelich
- Department of Material Science and Engineering, Michigan Technological University, Houghton, MI 49931, USA
| | - Jeremy Goldman
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA.
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