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Jiang Z, Jin L, Jiang C, Yan Z, Cao Y. IL-1β contributes to the secretion of sclerostin by osteocytes and targeting sclerostin promotes spinal fusion at early stages. J Orthop Surg Res 2023; 18:162. [PMID: 36864451 PMCID: PMC9983224 DOI: 10.1186/s13018-023-03657-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 02/28/2023] [Indexed: 03/04/2023] Open
Abstract
BACKGROUND Despite extensive research, there is still a need for safe and effective agents to promote spinal fusion. Interleukin (IL)-1β is an important factor which influences the bone repair and remodelling. The purpose of our study was to determine the effect of IL-1β on sclerostin in osteocytes and to explore whether inhibiting the secretion of sclerostin from osteocytes can promote spinal fusion at early stages. METHODS Small-interfering RNA was used to suppress the secretion of sclerostin in Ocy454 cells. MC3T3-E1 cells were cocultured with Ocy454 cells. Osteogenic differentiation and mineralisation of MC3T3-E1 cells were evaluated in vitro. SOST knock-out rat generated using the CRISPR-Cas9 system and rat spinal fusion model was used in vivo. The degree of spinal fusion was assessed by manual palpation, radiographic analysis and histological analysis at 2 and 4 weeks. RESULTS We found that IL-1β level had a positive association with sclerostin level in vivo. IL-1β promoted the expression and secretion of sclerostin in Ocy454 cells in vitro. Inhibition of IL-1β-induced secretion of sclerostin from Ocy454 cells could promote the osteogenic differentiation and mineralisation of cocultured MC3T3-E1 cells in vitro. The extent of spinal graft fusion was greater in SOST-knockout rats than in wild-type rats at 2 and 4 weeks. CONCLUSIONS The results demonstrate that IL-1β contributes to a rise in the level of sclerostin at early stages of bone healing. Suppressing sclerostin may be an important therapeutic target capable of promoting spinal fusion at early stages.
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Affiliation(s)
- Zengxin Jiang
- Department of Orthopaedics, Shanghai Sixth People's Hospital, Shanghai, 200233, China.,Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, NO. 180 Feng Lin Road, Xuhui District, Shanghai, 200032, China
| | - Lixia Jin
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, NO. 180 Feng Lin Road, Xuhui District, Shanghai, 200032, China
| | - Chang Jiang
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, NO. 180 Feng Lin Road, Xuhui District, Shanghai, 200032, China
| | - Zuoqin Yan
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, NO. 180 Feng Lin Road, Xuhui District, Shanghai, 200032, China.
| | - Yuanwu Cao
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, NO. 180 Feng Lin Road, Xuhui District, Shanghai, 200032, China.
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Caillon A, Trimaille A, Favre J, Jesel L, Morel O, Kauffenstein G. Role of neutrophils, platelets, and extracellular vesicles and their interactions in COVID-19-associated thrombopathy. J Thromb Haemost 2022; 20:17-31. [PMID: 34672094 PMCID: PMC8646423 DOI: 10.1111/jth.15566] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 09/28/2021] [Accepted: 10/19/2021] [Indexed: 12/14/2022]
Abstract
The COVID-19 pandemic extended all around the world causing millions of deaths. In addition to acute respiratory distress syndrome, many patients with severe COVID-19 develop thromboembolic complications associated to multiorgan failure and death. Here, we review evidence for the contribution of neutrophils, platelets, and extracellular vesicles (EVs) to the thromboinflammatory process in COVID-19. We discuss how the immune system, influenced by pro-inflammatory molecules, EVs, and neutrophil extracellular traps (NETs), can be caught out in patients with severe outcomes. We highlight how the deficient regulation of the innate immune system favors platelet activation and induces a vicious cycle amplifying an immunothrombogenic environment associated with platelet/NET interactions. In light of these considerations, we discuss potential therapeutic strategies underlining the modulation of purinergic signaling as an interesting target.
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Affiliation(s)
- Antoine Caillon
- Lady Davis Institute for Medical Research, McGill University, Montréal, Quebec, Canada
| | - Antonin Trimaille
- UMR INSERM 1260, CRBS, Strasbourg University, Strasbourg, France
- Division of Cardiovascular Medicine, Nouvel Hôpital Civil, Strasbourg University Hospital, Strasbourg, France
| | - Julie Favre
- INSERM, UMR S 1121, Biomaterials and Bioengineering, CRBS, Strasbourg, France
- Université de Strasbourg, Faculté de Chirurgie Dentaire, Strasbourg, France
| | - Laurence Jesel
- UMR INSERM 1260, CRBS, Strasbourg University, Strasbourg, France
- Division of Cardiovascular Medicine, Nouvel Hôpital Civil, Strasbourg University Hospital, Strasbourg, France
| | - Olivier Morel
- UMR INSERM 1260, CRBS, Strasbourg University, Strasbourg, France
- Division of Cardiovascular Medicine, Nouvel Hôpital Civil, Strasbourg University Hospital, Strasbourg, France
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Wong RMY, Choy VMH, Li J, Li TK, Chim YN, Li MCM, Cheng JCY, Leung KS, Chow SKH, Cheung WH. Fibrinolysis as a target to enhance osteoporotic fracture healing by vibration therapy in a metaphyseal fracture model. Bone Joint Res 2021; 10:41-50. [PMID: 33448865 PMCID: PMC7845465 DOI: 10.1302/2046-3758.101.bjr-2020-0185.r1] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Aims Fibrinolysis plays a key transition step from haematoma formation to angiogenesis and fracture healing. Low-magnitude high-frequency vibration (LMHFV) is a non-invasive biophysical modality proven to enhance fibrinolytic factors. This study investigates the effect of LMHFV on fibrinolysis in a clinically relevant animal model to accelerate osteoporotic fracture healing. Methods A total of 144 rats were randomized to four groups: sham control; sham and LMHFV; ovariectomized (OVX); and ovariectomized and LMHFV (OVX-VT). Fibrinolytic potential was evaluated by quantifying fibrin, tissue plasminogen activator (tPA), and plasminogen activator inhibitor-1 (PAI-1) along with healing outcomes at three days, one week, two weeks, and six weeks post-fracture. Results All rats achieved healing, and x-ray relative radiopacity for OVX-VT was significantly higher compared to OVX at week 2. Martius Scarlet Blue (MSB) staining revealed a significant decrease of fibrin content in the callus in OVX-VT compared with OVX on day 3 (p = 0.020). Mean tPA from muscle was significantly higher for OVX-VT compared to OVX (p = 0.020) on day 3. Mechanical testing revealed the mean energy to failure was significantly higher for OVX-VT at 37.6 N mm (SD 8.4) and 71.9 N mm (SD 30.7) compared with OVX at 5.76 N mm (SD 7.1) (p = 0.010) and 17.7 N mm (SD 11.5) (p = 0.030) at week 2 and week 6, respectively. Conclusion Metaphyseal fracture healing is enhanced by LMHFV, and one of the important molecular pathways it acts on is fibrinolysis. LMHFV is a promising intervention for osteoporotic metaphyseal fracture healing. The improved mechanical properties, acceleration of fracture healing, and safety justify its role into translation to future clinical studies. Cite this article: Bone Joint Res 2021;10(1):41–50.
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Affiliation(s)
- Ronald Man Yeung Wong
- Department of Orthopaedics and Traumatology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Victoria Man Huen Choy
- Department of Orthopaedics and Traumatology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Jie Li
- Department of Orthopaedics and Traumatology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Tsz Kiu Li
- Department of Orthopaedics and Traumatology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Yu Ning Chim
- Department of Orthopaedics and Traumatology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Meng Chen Michelle Li
- Department of Orthopaedics and Traumatology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Jack Chun Yiu Cheng
- Department of Orthopaedics and Traumatology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Kwok-Sui Leung
- Department of Orthopaedics and Traumatology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Simon Kwoon-Ho Chow
- Department of Orthopaedics and Traumatology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Wing Hoi Cheung
- Department of Orthopaedics and Traumatology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong
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Chow SKH, Ho CY, Wong HW, Chim YN, Wong RMY, Cheung WH. Efficacy of low-magnitude high-frequency vibration (LMHFV) on musculoskeletal health of participants on wheelchair: a study protocol for a single-blinded randomised controlled study. BMJ Open 2020; 10:e038578. [PMID: 33323430 PMCID: PMC7745337 DOI: 10.1136/bmjopen-2020-038578] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND Osteoporosis is an age-related disease with progressive loss of bone, leading to fragile bone. It is one of the major health issues in older adults and causes medical, social and economic impacts globally. Patients with osteoporosis have high risk of osteoporotic fractures. Low-magnitude high-frequency vibration (LMHFV) is a non-invasive biophysical intervention providing whole-body mechanical stimulation. Previous studies showed that LMHFV is beneficial to muscle strength, postural control, balancing ability, new bone formation, spinal bone mineral density (BMD) and blood circulation. During the LMHFV treatment, older adults need to stand upright on the platform for 20 min/day. However, some physically weak elderlies with poor musculoskeletal ability cannot stand for a long period. Therefore, the design of vibration platform is modified for the disabled patients to treat at sitting position and the efficacy of LMHFV on this group of elderlies will be verified. It is hypothesised that new design of LMHFV is beneficial to wheelchair users in terms of vertebral BMD, muscle health and musculoskeletal functions. METHODS This study is a single-blinded randomised controlled trial to investigate the effect of LMHFV on vertebral BMD, muscle health, balancing ability and functional ability in wheelchair users (mainly on wheelchair for outdoor activities). Healthy elderlies aged 65 years or above with walking difficulties and using wheelchair are eligible. Exclusion criteria are those: (1) who cannot stand and walk independently, (2) who have vibration treatment before, (3) with malignancy, (4) with acute fractures or severe osteoarthritis, (5) with cardiovascular concern such as with pacemaker in situ, (6) with chronic inflammatory conditions known to affect muscle metabolism such as rheumatoid arthritis and (7) with high frequency of physical activities, such as participants who participated in regular exercise five times a week or more. Recruited participants will be randomised to either LMHFV or control group. Participant assigned to LMHFV group will receive LMHFV (35 Hz, 0.3g (g=gravitational acceleration), 20 min/day, at least three times/week) for 6 months. The primary outcome is BMD at the lumbar spine to be assessed by dual-energy X-ray absorptiometry that is clinically recommended for the diagnosis of osteoporosis. All primary and secondary outcome assessments for all groups will be performed in the investigators' institute at baseline and 6 months post treatment. DISCUSSION This study aims to investigate the effects of LMHFV on wheelchair users. The findings of this study will help to confirm the efficacy of LMHFV on vertebral BMD, muscle health, balancing ability and functional outcomes in wheelchair using elderlies. LMHFV therapy is an intervention strategy that is easy to implement at the community healthcare level or individually at home that has previously been proven to reduce fall risk and muscle strength at the lower limb. The ultimate goal is to improve their bone and muscle quality of wheelchair users, as well as enhancing their quality of life. TRIAL REGISTRATION NUMBER ClinicalTrials.gov (NCT04180267).
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Affiliation(s)
- Simon Kwoon Ho Chow
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, New Territories, Hong Kong
| | - Chung Yan Ho
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, New Territories, Hong Kong
| | - Hiu Wun Wong
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, New Territories, Hong Kong
| | - Yu Ning Chim
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, New Territories, Hong Kong
| | - Ronald Man Yeung Wong
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, New Territories, Hong Kong
| | - Wing Hoi Cheung
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, New Territories, Hong Kong
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Yang Y, Xiao Y. Biomaterials Regulating Bone Hematoma for Osteogenesis. Adv Healthc Mater 2020; 9:e2000726. [PMID: 32691989 DOI: 10.1002/adhm.202000726] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 06/18/2020] [Indexed: 12/11/2022]
Abstract
Blood coagulation in tissue healing not only prevents blood loss, but also forms a natural scaffold for tissue repair and regeneration. As blood clot formation is the initial and foremost phase upon bone injury, and the quality of blood clot (hematoma) orchestrates the following inflammatory and cellular processes as well as the subsequent callus formation and bone remodeling process. Inspired by the natural healing hematoma, tissue-engineered biomimic scaffold/hydrogels and blood prefabrication strategies attract significant interests in developing functional bone substitutes. The alteration of the fracture hematoma ca significantly accelerate or impair the overall bone healing process. This review summarizes the impact of biomaterials on blood coagulation and provides evidence on fibrin network structure, growth factors, and biomolecules that contribute to bone healing within the hematoma. The aim is to provide insights into the development of novel implant and bone biomaterials for enhanced osteogenesis. Advances in the understanding of biomaterial characteristics (e.g., morphology, chemistry, wettability, and protein adsorption) and their effect on hematoma properties are highlighted. Emphasizing the importance of the initial healing phase of the hematoma endows the design of advanced biomaterials with the desired regulatory properties for optimal coagulation and hematoma properties, thereby facilitating enhanced osteogenesis and ideal therapeutic effects.
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Affiliation(s)
- Ying Yang
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, 4059, Australia
- Australia-China Centre for Tissue Engineering and Regenerative Medicine, Queensland University of Technology, Brisbane, QLD, 4059, Australia
| | - Yin Xiao
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, 4059, Australia
- Australia-China Centre for Tissue Engineering and Regenerative Medicine, Queensland University of Technology, Brisbane, QLD, 4059, Australia
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Rana T, Ahmad A, Zafar I, Mariappan N, Chandrashekar DS, Hamid T, Husain M, Varambally S, Ahmad S, Ahmad A. MicroRNA-mediated inflammation and coagulation effects in rats exposed to an inhaled analog of sulfur mustard. Ann N Y Acad Sci 2020; 1479:148-158. [PMID: 32602122 DOI: 10.1111/nyas.14416] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 05/13/2020] [Accepted: 05/28/2020] [Indexed: 02/07/2023]
Abstract
Exposure of rats to 2-chloroethyl ethyl sulfide (CEES), an analog of sulfur mustard, can cause acute lung injury (ALI), resulting in increased inflammation and coagulation and altered levels of plasma microRNAs (miRNAs). Rats were exposed to aerosolized CEES and euthanized 12 h later for collection of tissue and plasma. Profiling of miRNAs in plasma, using a TaqMan-based RT-PCR array, revealed 14 differentially expressed miRNAs. Target gene prediction and pathway analysis revealed miRNA-mediated regulation of organismal injury, inflammation, and respiratory diseases. miR-140-5p, a marker of ALI, was downregulated in the plasma, lung, liver, and kidney of CEES-exposed rats, with a concomitant increase in the expression of the inflammation markers IL-6 and IL-1α and the coagulation marker tissue factor (F3). Exposure of rat airway epithelial cells (RL-65) to CEES (0.5 mM) caused cell death and a decrease in miR-140-5p both in cells and media supernatant. This was accompanied by an increase in cellular mRNA levels of IL-6, IL-1α, and F3, as well as FGF9 and EGR2, putative targets of miR-140. Knockdown of miR-140 by specific oligos in RL-65 cells mimicked the in vivo CEES-mediated effects, leading to significantly increased mRNA levels of IL-6, IL-1α, F3, FGF9, and EGR2. Our study identifies miR-140-5p as a mediator of CEES-induced ALI, which could potentially be targeted for therapy.
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Affiliation(s)
- Tapasi Rana
- Division of Molecular and Translational Biomedicine, Department of Anesthesiology and Perioperative Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - Aamir Ahmad
- Division of Molecular and Translational Biomedicine, Department of Anesthesiology and Perioperative Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - Iram Zafar
- Division of Molecular and Translational Biomedicine, Department of Anesthesiology and Perioperative Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - Nithya Mariappan
- Division of Molecular and Translational Biomedicine, Department of Anesthesiology and Perioperative Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | | | - Tariq Hamid
- Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - Maroof Husain
- Division of Molecular and Translational Biomedicine, Department of Anesthesiology and Perioperative Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | | | - Shama Ahmad
- Division of Molecular and Translational Biomedicine, Department of Anesthesiology and Perioperative Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - Aftab Ahmad
- Division of Molecular and Translational Biomedicine, Department of Anesthesiology and Perioperative Medicine, University of Alabama at Birmingham, Birmingham, Alabama
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Jiménez Gómez N, Pino Castresana A, Segurado Miravalles G, Truchuelo Díez M, Troya Estavillo M, Anitua Aldecoa E, Jaén Olasolo P. Autologous platelet-rich gel for facial rejuvenation and wrinkle amelioration: A pilot study. J Cosmet Dermatol 2019; 18:1353-1360. [PMID: 30450677 DOI: 10.1111/jocd.12823] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 10/25/2018] [Accepted: 10/25/2018] [Indexed: 01/24/2023]
Abstract
BACKGROUND The demand for safe and minimally invasive soft tissue augmentation procedures has increased. Recently, a novel injectable gel based on the autologous platelet rich in growth factor (PRGF) technology has been developed to provide long-term shape and volume stability. It can be customized into low (LVG) or high viscosity (HVG) gel forms to meet different dermatological requirements. OBJECTIVES The mechanical and biological properties of both gel forms have been evaluated. The clinical efficacy and safety of this autologous procedure were also evaluated. METHODS Growth factor content and biomechanical properties of both gel forms were determined. The in vitro biological capacity on human dermal fibroblasts proliferation was assessed. Clinical performance analysis over ten patients was evaluated by standardized macrophotographs, 3D topographic images, and ultrasound analysis over periocular and nasolabial areas. RESULTS Both gel types showed similar growth factor concentration. HVG showed a higher stiffness profile indicating its suitability for deeper tissue defect viscosupplementation while LVG showed optimal rheologic characteristics for superficial volumization. Both gels showed a noticeable biostability after catalytic enzyme degradation. Both forms significantly increased the mitogenic activity of dermal fibroblasts. All patients referred to be highly satisfied and presented optimal clinical results after one month. Overall clinical improvement was maintained for 16 weeks. At the end of the study, the ultrasound examination revealed a cutaneous regenerative effect. No adverse events occurred. CONCLUSIONS This preliminary study suggests that autologous platelet gels have desirable mechanical and bioactive properties and allows moderate wrinkle reduction and efficient facial volume reposition with natural results.
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Affiliation(s)
- Natalia Jiménez Gómez
- Hospital Universitario Ramón y Cajal, Madrid, Spain.,Grupo de Dermatología Pedro Jaén, Madrid, Spain
| | | | | | | | | | | | - Pedro Jaén Olasolo
- Hospital Universitario Ramón y Cajal, Madrid, Spain.,Grupo de Dermatología Pedro Jaén, Madrid, Spain
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Muir SM, Reisbig N, Baria M, Kaeding C, Bertone AL. The Concentration of Plasma Provides Additional Bioactive Proteins in Platelet and Autologous Protein Solutions. Am J Sports Med 2019; 47:1955-1963. [PMID: 31125271 DOI: 10.1177/0363546519849671] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Currently, platelet-poor plasma (PPP) is a discarded waste product of platelet-rich plasma (PRP) and may contain valuable proteins. PURPOSE/HYPOTHESIS The study's goal was to evaluate the concentration of plasma as a potential additive biotherapy for the treatment of osteoarthritis. We hypothesized that a novel polyacrylamide concentration device would efficiently concentrate insulin-like growth factor-1 (IGF-1) from PPP and be additive to PRP or autologous protein solution (APS). STUDY DESIGN Descriptive laboratory study. METHODS A laboratory study was conducted with human and equine whole blood from healthy volunteers/donors. Fresh samples of blood and plasma were processed and characterized for platelet, white blood cell, and growth factor/cytokine content and then quantified by enzyme-linked immunosorbent assays specific for IGF-1, transforming growth factor-β, interleukin-1β, and interleukin-1 receptor antagonist as representatives of cartilage anabolic and inflammatory mediators. RESULTS A potent cartilage anabolic protein, IGF-1, was significantly concentrated by the polyacrylamide concentration device in both human and equine PPP. The polyacrylamide device also substantially increased plasma proteins over whole blood, most dramatically key proteins relevant to the treatment of osteoarthritis, including transforming growth factor-β (29-fold over blood) and interleukin-1 receptor antagonist (70-fold over plasma). CONCLUSION Concentrated PPP is a unique source for biologically relevant concentrations of IGF-1. PRP and APS can produce greater concentrations of other anabolic and anti-inflammatory proteins not found in plasma. CLINICAL RELEVANCE The polyacrylamide device efficiently concentrated PPP to create a unique source of IGF-1 that may supplement orthopaedic biologic therapies.
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Affiliation(s)
- Sean M Muir
- The Ohio State University, Columbus, Ohio, USA
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Wu S, Xia B, Mai S, Feng Z, Wang X, Liu Y, Liu R, Li Z, Xiao Y, Chen Z, Chen Z. Sodium Fluoride under Dose Range of 2.4–24 μM, a Promising Osteoimmunomodulatory Agent for Vascularized Bone Formation. ACS Biomater Sci Eng 2018; 5:817-830. [PMID: 33405842 DOI: 10.1021/acsbiomaterials.8b00570] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Shiyu Wu
- Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University and Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China
| | - Binbin Xia
- Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University and Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China
| | - Sui Mai
- Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University and Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China
| | - Zhicai Feng
- Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University and Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China
| | - Xiaoshuang Wang
- Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University and Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China
| | - Yudong Liu
- Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University and Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China
| | - Runheng Liu
- Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University and Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China
| | - Zhipeng Li
- Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University and Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China
| | - Yin Xiao
- Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University and Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China
- Institute of Health and Biomedical Innovation, Queensland University of Technology, 60 Musk Avenue, Kelvin Grove, Brisbane, Queensland 4059, Australia
| | - Zhuofan Chen
- Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University and Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China
| | - Zetao Chen
- Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University and Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China
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Wang D, Liu Y, Yang X, Zhou J. Hypoxic preconditioning enhances cell hypoxia tolerance and correlated lncRNA and mRNA analysis. Life Sci 2018; 208:46-54. [DOI: 10.1016/j.lfs.2018.07.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 06/23/2018] [Accepted: 07/07/2018] [Indexed: 01/04/2023]
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Anitua E, Pino A, Troya M, Jaén P, Orive G. A novel personalized 3D injectable protein scaffold for regenerative medicine. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2017; 29:7. [PMID: 29243192 DOI: 10.1007/s10856-017-6012-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2017] [Accepted: 11/28/2017] [Indexed: 06/07/2023]
Abstract
Biomaterials should be designed to closely resemble the characteristics and functions of the native extracellular matrix to provide mechanical support and signals to direct biological events. Here we have developed a novel injectable plasma rich in growth factors (PRGF-Endoret)-based formulation that combines a thermal-denaturation step of plasma with an autologous fibrin crosslinking. Rheological and mechanical properties were evaluated. Additionally, the microstructure and biological capacity of the biomaterial was also characterized. This novel formulation exhibited ideal mechanical properties and a gel-like behavior with the ability to progressively release its growth factor load over time. The results also suggested that the novel injectable formulation is non-cytotoxic, biocompatible and suitable for cell ingrowth as it is deduced from the fibroblast proliferation within the scaffold. Finally, stimulation of both cell proliferation and matrix proteins synthesis demonstrated the regenerative potential of this autologous protein based injectable scaffold.
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Affiliation(s)
- Eduardo Anitua
- Foundation Eduardo Anitua, Vitoria, Spain.
- BTI-Biotechnology Institute, Vitoria, Spain.
| | - Ander Pino
- BTI-Biotechnology Institute, Vitoria, Spain
| | | | - Pedro Jaén
- Dermatology Department, Ramón y Cajal Hospital, University of Alcalá, Madrid, Spain
| | - Gorka Orive
- Foundation Eduardo Anitua, Vitoria, Spain.
- BTI-Biotechnology Institute, Vitoria, Spain.
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12
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Sonmez O, Sonmez M. Role of platelets in immune system and inflammation. Porto Biomed J 2017; 2:311-314. [PMID: 32258788 DOI: 10.1016/j.pbj.2017.05.005] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 05/31/2017] [Indexed: 10/18/2022] Open
Abstract
Platelets have significant role in modulating clot formation. Additionally, emerging data indicates that platelets have considerable roles in inflammation and immune response. Platelets gather at the damaged cite and adhere to white blood cells. Subsequently, they release cytokines and chemokines which are chemotactic for neutrophils and monocytes. Therefore, platelets are necessary for targeting lymphocytes, neutrophils and monocytes to inflammation site. Those interactions enhance inflammation. Moreover, platelets serve as an immune cell by engulfing microbes. Presence of platelets affect prognosis in some bacterial or viral infection and several other diseases.
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Affiliation(s)
- Ozge Sonmez
- Istanbul University Cerrahpasa Medicine Faculty, English Medicine Programme, Istanbul, Turkey
| | - Mehmet Sonmez
- Karadeniz Technical University, School of Medicine, Department of Haematology, Trabzon, Turkey
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Bouchlaka MN, Moffitt AB, Kim J, Kink JA, Bloom DD, Love C, Dave S, Hematti P, Capitini CM. Human Mesenchymal Stem Cell-Educated Macrophages Are a Distinct High IL-6-Producing Subset that Confer Protection in Graft-versus-Host-Disease and Radiation Injury Models. Biol Blood Marrow Transplant 2017; 23:897-905. [PMID: 28257800 DOI: 10.1016/j.bbmt.2017.02.018] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Accepted: 02/27/2017] [Indexed: 12/15/2022]
Abstract
Mesenchymal stem cells (MSCs) have immunosuppressive and tissue repair properties, but clinical trials using MSCs to prevent or treat graft-versus-host disease (GVHD) have shown mixed results. Macrophages (MØs) are important regulators of immunity and can promote tissue regeneration and remodeling. We have previously shown that MSCs can educate MØs toward a unique anti-inflammatory immunophenotype (MSC-educated MØs [MEMs]); however, their implications for in vivo models of inflammation have not been studied yet. We now show that in comparison with MØs, MEMs have increased expression of the inhibitory molecules PD-L1, PD-L2, in addition to markers of alternatively activated MØs: CD206 and CD163. RNA-Seq analysis of MEMs, as compared with MØs, show a distinct gene expression profile that positively correlates with multiple pathways important in tissue repair. MEMs also show increased expression of IL-6, transforming growth factor-β, arginase-1, CD73, and decreased expression of IL-12 and tumor necrosis factor-α. We show that IL-6 secretion is controlled in part by the cyclo-oxygenase-2, arginase, and JAK1/STAT1 pathway. When tested in vivo, we show that human MEMs significantly enhance survival from lethal GVHD and improve survival of mice from radiation injury. We show these effects could be mediated in part through suppression of human T cell proliferation and may have attenuated host tissue injury in part by enhancing murine fibroblast proliferation. MEMs are a unique MØ subset with therapeutic potential for the management of GVHD and/or protection from radiation-induced injury.
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Affiliation(s)
- Myriam N Bouchlaka
- Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - Andrea B Moffitt
- Department of Medicine, Duke University, Durham, North Carolina; Duke Center of Genomic and Computational Biology, Durham, North Carolina
| | - Jaehyup Kim
- Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - John A Kink
- Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - Debra D Bloom
- Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - Cassandra Love
- Department of Medicine, Duke University, Durham, North Carolina; Duke Center of Genomic and Computational Biology, Durham, North Carolina
| | - Sandeep Dave
- Department of Medicine, Duke University, Durham, North Carolina; Duke Center of Genomic and Computational Biology, Durham, North Carolina
| | - Peiman Hematti
- Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin; University of Wisconsin Carbone Cancer Center, Madison, Wisconsin
| | - Christian M Capitini
- Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin; University of Wisconsin Carbone Cancer Center, Madison, Wisconsin.
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Wang X, Friis TE, Masci PP, Crawford RW, Liao W, Xiao Y. Alteration of blood clot structures by interleukin-1 beta in association with bone defects healing. Sci Rep 2016; 6:35645. [PMID: 27767056 PMCID: PMC5073366 DOI: 10.1038/srep35645] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Accepted: 09/30/2016] [Indexed: 12/18/2022] Open
Abstract
The quality of hematomas are crucial for successful early bone defect healing, as the structure of fibrin clots can significantly influence the infiltration of cells, necessary for bone regeneration, from adjacent tissues into the fibrin network. This study investigated if there were structural differences between hematomas from normal and delayed healing bone defects and whether such differences were linked to changes in the expression of IL-1β. Using a bone defect model in rats, we found that the hematomas in the delayed healing model had thinner fibers and denser clot structures. Moreover, IL-1β protein levels were significantly higher in the delayed healing hematomas. The effects of IL-1β on the structural properties of human whole blood clots were evaluated by thrombelastograph (TEG), scanning electronic microscopy (SEM), compressive study, and thrombolytic assays. S-nitrosoglutathione (GSNO) was applied to modulate de novo hematoma structure and the impact on bone healing was evaluated in the delayed healing model. We found that GSNO produced more porous hematomas with thicker fibers and resulted in significantly enhanced bone healing. This study demonstrated that IL-1β and GSNO had opposing effects on clot architecture, the structure of which plays a pivotal role in early bone healing.
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Affiliation(s)
- Xin Wang
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, 4059 Queensland, Australia
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000 Guizhou, China
- Australia-China Centre for Tissue Engineering and Regenerative Medicine, Queensland University of Technology, Brisbane, 4059 Queensland, Australia
- Translational Research Institute, School of Medicine, The University of Queensland, Brisbane, 4102 Queensland, Australia
| | - Thor E. Friis
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, 4059 Queensland, Australia
- Australia-China Centre for Tissue Engineering and Regenerative Medicine, Queensland University of Technology, Brisbane, 4059 Queensland, Australia
| | - Paul P. Masci
- Translational Research Institute, School of Medicine, The University of Queensland, Brisbane, 4102 Queensland, Australia
| | - Ross W. Crawford
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, 4059 Queensland, Australia
- Australia-China Centre for Tissue Engineering and Regenerative Medicine, Queensland University of Technology, Brisbane, 4059 Queensland, Australia
| | - Wenbo Liao
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000 Guizhou, China
| | - Yin Xiao
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, 4059 Queensland, Australia
- Australia-China Centre for Tissue Engineering and Regenerative Medicine, Queensland University of Technology, Brisbane, 4059 Queensland, Australia
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