1
|
Abe T, Miyazaki M, Sako N, Kanezaki S, Tsubouchi Y, Kaku N. Optimal Intermittent Administration Interval of Abaloparatide for Bone Morphogenetic Protein-Induced Bone Formation in a Rat Spinal Fusion Model. Int J Mol Sci 2024; 25:3655. [PMID: 38612467 PMCID: PMC11011974 DOI: 10.3390/ijms25073655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 03/11/2024] [Accepted: 03/22/2024] [Indexed: 04/14/2024] Open
Abstract
Both bone morphogenetic protein 2 (BMP-2) and abaloparatide are used to promote bone formation. However, there is no consensus about their optimal administration. We investigated the optimal administration theory for the pairing of BMP-2 and abaloparatide in a rat spinal fusion model. Group I was only implanted in carriers and saline. Carriers with 3 µg of recombinant human BMP-2 (rhBMP-2) were implanted in other groups. Abaloparatide injections were administered three times a week for group III (for a total amount of 120 µg/kg in a week) and six times a week for group IV (for a total amount of 120 µg/kg in a week) after surgery. They were euthanized 8 weeks after the surgery, and we explanted their spines at that time. We assessed them using manual palpation tests, radiography, high-resolution micro-computed tomography (micro-CT), and histological analysis. We also analyzed serum bone metabolism markers. The fusion rate in Groups III and IV was higher than in Group I, referring to the manual palpation tests. Groups III and IV recorded greater radiographic scores than those in Groups I and II, too. Micro-CT analysis showed that Tbs. Sp in Groups III and IV was significantly lower than in Group I. Tb. N in Group IV was significantly higher than in Group I. Serum marker analysis showed that bone formation markers were higher in Groups III and IV than in Group I. On the other hand, bone resorption markers were lower in Group IV than in Group I. A histological analysis showed enhanced trabecular bone osteogenesis in Group IV. Frequent administration of abaloparatide may be suitable for the thickening of trabecular bone structure and the enhancement of osteogenesis in a rat spinal fusion model using BMP-2 in insufficient doses.
Collapse
Affiliation(s)
- Tetsutaro Abe
- Department of Orthopaedic Surgery, Faculty of Medicine, Oita University, Oita 879-5593, Japan; (T.A.); (N.K.)
| | - Masashi Miyazaki
- Department of Orthopaedic Surgery, Faculty of Medicine, Oita University, Oita 879-5593, Japan; (T.A.); (N.K.)
| | - Noriaki Sako
- Department of Orthopaedic Surgery, Faculty of Medicine, Oita University, Oita 879-5593, Japan; (T.A.); (N.K.)
| | - Shozo Kanezaki
- Department of Orthopaedic Surgery, Faculty of Medicine, Oita University, Oita 879-5593, Japan; (T.A.); (N.K.)
| | - Yuta Tsubouchi
- School of Physical Therapy, Faculty of Rehabilitation, Reiwa Health Sciences University, Fukuoka 811-0213, Japan
| | - Nobuhiro Kaku
- Department of Orthopaedic Surgery, Faculty of Medicine, Oita University, Oita 879-5593, Japan; (T.A.); (N.K.)
| |
Collapse
|
2
|
Lavu MS, Eghrari NB, Makineni PS, Kaelber DC, Savage JW, Pelle DW. Low-Density Lipoprotein Cholesterol and Statin Usage Are Associated With Rates of Pseudarthrosis Following Single-Level Posterior Lumbar Interbody Fusion. Spine (Phila Pa 1976) 2024; 49:369-377. [PMID: 38073195 DOI: 10.1097/brs.0000000000004895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 11/29/2023] [Indexed: 02/29/2024]
Abstract
STUDY DESIGN Retrospective cohort study. OBJECTIVE To investigate the relationships of low-density lipoprotein cholesterol and statin usage with pseudarthrosis following single-level posterior or transforaminal lumbar interbody fusion (PLIF/TLIF). SUMMARY OF BACKGROUND DATA Hypercholesterolemia can lead to atherosclerosis of the segmental arteries, which branch into vertebral bone through intervertebral foramina. According to the vascular hypothesis of disc disease, this can lead to ischemia of the lumbar discs and contribute to lumbar degenerative disease. Yet, little has been reported regarding the effects of cholesterol and statins on the outcomes of lumbar fusion surgery. MATERIALS AND METHODS TriNetX, a global federated research network, was retrospectively queried to identify 52,140 PLIF/TLIF patients between 2002 and 2021. Of these patients, 2137 had high cholesterol (≥130 mg/dL) and 906 had low cholesterol (≤55 mg/dL). Perioperatively, 18,275 patients used statins, while 33,415 patients did not. One-to-one propensity score matching for age, sex, race, and comorbidities was conducted to balance the analyzed cohorts. The incidence of pseudarthrosis was then assessed in the matched cohorts within the six-month, one-year, and two-year postoperative periods. RESULTS After propensity score matching, high-cholesterol patients had greater odds of developing pseudarthrosis six months [odds ratio (OR): 1.73, 95% confidence interval (CI): 1.28-2.33], one year (OR: 1.59, 95% confidence interval (CI): 1.20-2.10), and two years (OR: 1.57, 95% CI: 1.20-2.05) following a PLIF/TLIF procedure. Patients with statin usage had significantly lower odds of developing pseudarthrosis six months (OR: 0.74, 95% CI: 0.69-0.79), one year (OR: 0.76, 95% CI: 0.71-0.81), and two years (OR: 0.77, 95% CI: 0.72-0.81) following single-level PLIF/TLIF. CONCLUSIONS The findings suggest that patients with hypercholesterolemia have an increased risk of developing pseudarthrosis following PLIF/TLIF while statin use is associated with a decreased risk. The data presented may underscore an overlooked opportunity for perioperative optimization in lumbar fusion patients, warranting further investigation in this area.
Collapse
Affiliation(s)
- Monish S Lavu
- Case Western Reserve University School of Medicine, Cleveland, OH
- Center for Spine Health, Neurological Institute, Cleveland Clinic Foundation, Cleveland, OH
| | - Nafis B Eghrari
- Case Western Reserve University School of Medicine, Cleveland, OH
- Center for Spine Health, Neurological Institute, Cleveland Clinic Foundation, Cleveland, OH
| | - Pratheek S Makineni
- Case Western Reserve University School of Medicine, Cleveland, OH
- Center for Spine Health, Neurological Institute, Cleveland Clinic Foundation, Cleveland, OH
| | - David C Kaelber
- Departments of Internal Medicine, Pediatrics, and Population and Quantitative Health Sciences, Case Western Reserve University, Cleveland, OH
- The Center for Clinical Informatics Research and Education, The MetroHealth System, Cleveland, OH
| | - Jason W Savage
- Center for Spine Health, Neurological Institute, Cleveland Clinic Foundation, Cleveland, OH
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, OH
| | - Dominic W Pelle
- Center for Spine Health, Neurological Institute, Cleveland Clinic Foundation, Cleveland, OH
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, OH
| |
Collapse
|
3
|
Broussolle T, Roux JP, Chapurlat R, Barrey C. Murine models of posterolateral spinal fusion: A systematic review. Neurochirurgie 2023; 69:101428. [PMID: 36871885 DOI: 10.1016/j.neuchi.2023.101428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/05/2023] [Accepted: 02/07/2023] [Indexed: 03/07/2023]
Abstract
BACKGROUND Rodent models are commonly used experimentally to assess treatment effectiveness in spinal fusion. Certain factors are associated with better fusion rates. The objectives of the present study were to report the protocols most frequently used, to evaluate factors known to positively influence fusion rate, and to identify new factors. METHOD A systematic literature search of PubMed and Web of Science found 139 experimental studies of posterolateral lumbar spinal fusion in rodent models. Data for level and location of fusion, animal strain, sex, weight and age, graft, decortication, fusion assessment and fusion and mortality rates were collected and analyzed. RESULTS The standard murine model for spinal fusion was male Sprague Dawley rats of 295g weight and 13 weeks' age, using decortication, with L4-L5 as fusion level. The last two criteria were associated with significantly better fusion rates. On manual palpation, the overall mean fusion rate in rats was 58% and the autograft mean fusion rate was 61%. Most studies evaluated fusion as a binary on manual palpation, and only a few used CT and histology. Average mortality was 3.03% in rats and 1.56% in mice. CONCLUSIONS These results suggest using a rat model, younger than 10 weeks and weighing more than 300 grams on the day of surgery, to optimize fusion rates, with decortication before grafting and fusing the L4-L5 level.
Collapse
Affiliation(s)
- T Broussolle
- Department of Spine Surgery, P. Wertheimer University Hospital, GHE, hospices civils de Lyon, université Claude-Bernard Lyon 1, Lyon, France; Inserm UMR 1033, université Claude-Bernard Lyon 1, Lyon, France.
| | - Jean-Paul Roux
- Inserm UMR 1033, université Claude-Bernard Lyon 1, Lyon, France
| | - R Chapurlat
- Inserm UMR 1033, université Claude-Bernard Lyon 1, Lyon, France
| | - C Barrey
- Department of Spine Surgery, P. Wertheimer University Hospital, GHE, hospices civils de Lyon, université Claude-Bernard Lyon 1, Lyon, France; Arts et métiers ParisTech, ENSAM, 151, boulevard de l'Hôpital, 75013 Paris, France
| |
Collapse
|
4
|
Abe T, Miyazaki M, Ishihara T, Kanezaki S, Tsubouchi Y, Tsumura H. Optimal intermittent administration interval of parathyroid hormone 1-34 for bone morphogenetic protein-induced bone formation in a rat spinal fusion model. JOR Spine 2021; 4:e1168. [PMID: 34611590 PMCID: PMC8479526 DOI: 10.1002/jsp2.1168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 07/16/2021] [Accepted: 07/23/2021] [Indexed: 11/30/2022] Open
Abstract
INTRODUCTION Both bone morphogenetic protein 2 (BMP-2) and teriparatide (parathyroid hormone [PTH] 1-34) are used to enhance bone healing. There is still no established opinion regarding the optimum dose and administration method. We investigated the optimal administration method for the combination of BMP-2 and PTH 1-34 in a rat spinal fusion model. METHODS Group I was implanted with a control carrier. Groups II, III, and IV were implanted with a carrier containing 3 μg of recombinant human BMP-2 (rhBMP-2). In addition, following implantation, PTH 1-34 injections were administered to Group III thrice a week (total, 180 μg/kg/week) and Group IV six times a week (total, 180 μg/kg/week). The rats were euthanized after 8 weeks, and their spines were explanted; assessed by manual palpation, radiographs, and high-resolution micro-computed tomography (micro-CT); and subjected to histological analysis. Serum markers of bone metabolism were also analyzed. RESULTS Manual palpation tests showed that the fusion rates in Groups III and IV were considerably higher than those in Group I. They also had higher radiographic scores than Group I and II. Micro-CT analysis revealed Tb.Th in the Group IV had higher values than that in the Group I, II, III with significant differences and Tb.Sp in the Group IV had lower values than that in the Group I, II, III with significant differences. Serum marker analysis revealed that Group IV had higher osteocalcin and lower tartrate-resistant acid phosphatase-5b than Group III. Histological analysis indicated that Group IV had enhanced trabecular bone structure. CONCLUSIONS Frequent administration of PTH may be better in making thicker and strengthening the trabecular bone structure in newly formed bone in the rat spinal fusion model using insufficient BMP-2.
Collapse
Affiliation(s)
- Tetsutaro Abe
- Faculty of Medicine, Department of Orthopedic SurgeryOita UniversityOitaJapan
| | - Masashi Miyazaki
- Faculty of Medicine, Department of Orthopedic SurgeryOita UniversityOitaJapan
| | - Toshinobu Ishihara
- Faculty of Medicine, Department of Orthopedic SurgeryOita UniversityOitaJapan
| | - Shozo Kanezaki
- Faculty of Medicine, Department of Orthopedic SurgeryOita UniversityOitaJapan
| | | | - Hiroshi Tsumura
- Faculty of Medicine, Department of Orthopedic SurgeryOita UniversityOitaJapan
| |
Collapse
|
5
|
Zhang B, Huang J, Liu J, Lin F, Ding Z, Xu J. Injectable composite hydrogel promotes osteogenesis and angiogenesis in spinal fusion by optimizing the bone marrow mesenchymal stem cell microenvironment and exosomes secretion. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 123:111782. [PMID: 33812569 DOI: 10.1016/j.msec.2020.111782] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 11/12/2020] [Accepted: 11/27/2020] [Indexed: 12/21/2022]
Abstract
With the development of tissue engineering, it is no longer a challenge to repair and reconstruct bone defects using bone substitutes. However, in spinal fusion surgery, high rates of fusion failure are difficult to avoid. In our study, we designed a new composite hydrogel and found that it has good osteogenesis and angiogenesis effects. We extracted exosomes produced by rBMSCs (rat bone marrow mesenchymal stem cells) cocultured with the hydrogel to investigate their effects on osteogenesis and angiogenesis. The results showed that the PG/TCP (PEGMC with β-TCP) promoted rapid osteogenesis, facilitated spinal fusion at a high rate and quality and had an indirect effect on angiogenesis. We found that PG/TCP affected the rBMSC microenvironment, thus changing the function of exosomes; in a further study, we found that PG/TCP-MSC-Exos played a significant role in osteogenesis, which was coupled to angiogenesis. Thus, PG/TCP showed excellent potential in bone regeneration, especially the PG/0.2TCP.
Collapse
Affiliation(s)
- Baokun Zhang
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated No.6 People's Hospital, 600 Yishan Road, Shanghai 200233, China.
| | - Jinghuan Huang
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated No.6 People's Hospital, 600 Yishan Road, Shanghai 200233, China.
| | - Jingwen Liu
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated No.6 People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Fangqi Lin
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated No.6 People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Zhenyu Ding
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated No.6 People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Jianguang Xu
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated No.6 People's Hospital, 600 Yishan Road, Shanghai 200233, China.
| |
Collapse
|
6
|
Makrygiannakis MA, Kaklamanos EG, Athanasiou AE. Effects of systemic medication on root resorption associated with orthodontic tooth movement: a systematic review of animal studies. Eur J Orthod 2020; 41:346-359. [PMID: 29992228 DOI: 10.1093/ejo/cjy048] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
BACKGROUND Theoretically, root resorption could be modulated by any medication taken that exhibits possible effects on the implicated molecular pathways. OBJECTIVES To systematically investigate and appraise the quality of the available evidence from animal studies, regarding the effect of commonly prescribed systemic medication on root resorption associated with orthodontic tooth movement. SEARCH METHODS Search without restrictions in eight databases (PubMed, Central, Cochrane Database of Systematic Reviews, SCOPUS, Web of Science, Arab World Research Source, ClinicalTrials.gov, ProQuest Dissertations and Theses Global) and hand searching until April 2018 took place. One author developed detailed search strategies for each database that were based on the PubMed strategy and adapted accordingly. SELECTION CRITERIA Controlled studies investigating the effect of systemic medications on root resorption associated with orthodontic tooth movement. DATA COLLECTION AND ANALYSIS Following study retrieval and selection, relevant data were extracted and the risk of bias was assessed using the SYRCLE's Risk of Bias Tool. RESULTS Twenty-one studies were finally identified, most of which at unclear risk of bias. Root resorption was shown to increase in Vitamin C treated animals in comparison with the control group, whereas a comparative decrease was noted after the administration of the alendronate, ibuprofen, growth hormone, low doses of meloxicam, simvastatin, lithium chloride and strontium ranelate. No difference was noted for acetaminophen, aspirin, fluoxetine, atorvastatin, misoprostol, zoledronic acid and zinc. Finally, inconsistent effects were observed after the administration of celecoxib, prednisolone and L-thyroxine. The quality of the available evidence was considered at best as low. CONCLUSIONS The pharmaceutical substances investigated were shown to exhibit variable effects on root resorption. Although the overall quality of evidence provides the clinician with a cautious perspective on the strength of the relevant recommendations, good practice would suggest that it is important to identify patients consuming medications and consider the possible implications. REGISTRATION PROSPERO (CRD42017078208).
Collapse
Affiliation(s)
- Miltiadis A Makrygiannakis
- Hamdan Bin Mohammed College of Dental Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
| | - Eleftherios G Kaklamanos
- Hamdan Bin Mohammed College of Dental Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
| | - Athanasios E Athanasiou
- Hamdan Bin Mohammed College of Dental Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
| |
Collapse
|
7
|
Mahmoud AR, Kamel EO, Ahmed MA, Ahmed EA, Abd-Elhamid TH. Alleviation of Simvastatin-Induced Myopathy in Rats by the Standardized Extract of Ginkgo Biloba (EGb761): Insights into the Mechanisms of Action. Cells Tissues Organs 2020; 208:158-176. [PMID: 32369804 DOI: 10.1159/000507048] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 03/07/2020] [Indexed: 01/24/2023] Open
Abstract
Statins are the most widely prescribed cholesterol-lowering drugs to reduce the risk of cardiovascular diseases. Statin-induced myopathy is the major side effect of this class of drugs. Here, we studied whether standardized leaf extracts of ginkgo biloba (EGb761) would improve simvastatin (SIM)-induced muscle changes. Sixty Wistar rats were allotted into six groups: control group, vehicle group receiving 0.5% carboxymethyl cellulose (CMC) for 30 days, SIM group receiving 80 mg/kg/day SIM in 0.5% CMC orally for 30 days, SIM withdrawal group treated with SIM for 16 days and sacrificed 14 days later, and EGb761-100 and EGb761-200 groups posttreated with either 100 or 200 mg/kg/day EGb761 orally. Muscle performance on the rotarod, serum creatine kinase (CK), coenzyme Q10 (CoQ10), serum and muscle nitrite, muscle malondialdehyde (MDA), superoxide dismutase (SOD), and catalase (CAT) activities were estimated. Additionally, muscle samples were processed for histopathological evaluation. We found that SIM decreased muscle performance on the rotarod, serum CoQ10, as well as muscle SOD and CAT activities while it increased serum CK, serum and muscle nitrite, as well as muscle MDA levels. SIM also induced sarcoplasmic vacuolation, splitting of myofibers, disorganization of sarcomeres, and disintegration of myofilaments. In contrast, posttreatment with EGb761 increased muscle performance, serum CoQ10, as well as muscle SOD and CAT activities while it reduced serum CK as well as serum and muscle nitrite levels in a dose-dependent manner. Additionally, EGb761 reversed SIM-induced histopathological changes with better results obtained by its higher dose. Interestingly, SIM withdrawal increased muscle performance on the rotarod, reduce serum CK and CoQ10, and reduced serum and muscle nitrite while it reversed SIM-induced histopathological changes. However, SIM withdrawal was not effective enough to restore their normal values. Additionally, SIM withdrawal did not improve SIM-induce muscle MDA, SOD, or CAT activities during the period studied. Our results suggest that EGb761 posttreatment reversed SIM-induces muscle changes possibly through its antioxidant effects, elevation of CoQ10 levels, and antagonizing mitochondrial damage.
Collapse
Affiliation(s)
- Amany R Mahmoud
- Department of Human Anatomy and Embryology, Faculty of Medicine, Assiut University, Assiut, Egypt.,Anatomy Unit, Department of Basic Medical Sciences, Unaizah College of Medicine and Medical Sciences, Qassim University, Unaizah, Saudi Arabia
| | - Esam Omar Kamel
- Department of Medical Histology and Cell Biology, Faculty of Medicine, Al-Azhar University, Assiut, Egypt
| | - Marwa A Ahmed
- Department of Pharmacology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Esraa A Ahmed
- Department of Pharmacology, Faculty of Medicine, Assiut University, Assiut, Egypt.,Centre of Excellence in Environmental Studies, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Tarek Hamdy Abd-Elhamid
- Department of Histology and Cell Biology, Faculty of Medicine, Assiut University, Assiut, Egypt,
| |
Collapse
|
8
|
Ion R, Necula MG, Mazare A, Mitran V, Neacsu P, Schmuki P, Cimpean A. Drug Delivery Systems Based on Titania Nanotubes and Active Agents for Enhanced Osseointegration of Bone Implants. Curr Med Chem 2020; 27:854-902. [PMID: 31362646 DOI: 10.2174/0929867326666190726123229] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 01/16/2019] [Accepted: 05/04/2019] [Indexed: 12/31/2022]
Abstract
TiO2 nanotubes (TNTs) are attractive nanostructures for localized drug delivery. Owing to their excellent biocompatibility and physicochemical properties, numerous functionalizations of TNTs have been attempted for their use as therapeutic agent delivery platforms. In this review, we discuss the current advances in the applications of TNT-based delivery systems with an emphasis on the various functionalizations of TNTs for enhancing osteogenesis at the bone-implant interface and for preventing implant-related infection. Innovation of therapies for enhancing osteogenesis still represents a critical challenge in regeneration of bone defects. The overall concept focuses on the use of osteoconductive materials in combination with the use of osteoinductive or osteopromotive factors. In this context, we highlight the strategies for improving the functionality of TNTs, using five classes of bioactive agents: growth factors (GFs), statins, plant derived molecules, inorganic therapeutic ions/nanoparticles (NPs) and antimicrobial compounds.
Collapse
Affiliation(s)
- Raluca Ion
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, Bucharest, Romania
| | - Madalina Georgiana Necula
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, Bucharest, Romania
| | - Anca Mazare
- University of Erlangen-Nuremberg, Department of Materials Science, Erlangen, Germany
| | - Valentina Mitran
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, Bucharest, Romania
| | - Patricia Neacsu
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, Bucharest, Romania
| | - Patrik Schmuki
- University of Erlangen-Nuremberg, Department of Materials Science, Erlangen, Germany
| | - Anisoara Cimpean
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, Bucharest, Romania
| |
Collapse
|
9
|
Ding X, Wang S, Jin W, Liu X, Chen J, Chen S. Encapsulation of a nanoporous simvastatin-chitosan composite to enhance osteointegration of hydroxyapatite-coated polyethylene terephthalate ligaments. Int J Nanomedicine 2019; 14:4881-4893. [PMID: 31308664 PMCID: PMC6613541 DOI: 10.2147/ijn.s210687] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Accepted: 06/11/2019] [Indexed: 01/13/2023] Open
Abstract
PURPOSE This study was designed to evaluate the in vitro and in vivo biocompatibility and osteointegration of plasma-sprayed hydroxyapatite (HA)-coated polyethylene terephthalate (PET) ligaments encapsulated with a simvastatin (SV)-chitosan (CS) composite. METHODS This study compared the in vitro and in vivo bone responses to three different PET ligaments: SV/CS/PET-HA, CS/PET-HA and PET-HA. A field emission scanning electron microscope was used to characterize the morphology, and the in vitro SV release profile was analyzed. MC3T3 cells were cocultured with SV/CS/PET-HA, CS/PET-HA and PET-HA to test their biocompatibility using CCK-8 tests. Osteogenic differentiation was investigated by the expression of marker genes using qPCR. Osteointegration was performed by implanting the PET ligaments into the proximal tibia bone tunnels of male Sprague-Dawley rats for 3 weeks and 6 weeks. The bone-implant interface was evaluated by micro-computed tomography (micro-CT) and histological analysis. RESULTS The characteristic nanoporous structures mainly formed on the surface of the plasma-sprayed HA particles in the SV/CS/PET-HA and CS/PET-HA groups. The SV release test showed that the sustained release of simvastatin lasted for 25 days in the SV/CS/PET-HA group. The in vitro studies demonstrated that the SV/CS/PET-HA ligaments induced osteogenic differentiation in the MC3T3 cells, with higher mRNA expression levels of collagen-1, bone morphogenetic protein-2, osteocalcin and alkaline phosphatase than those in the CS/PET-HA and PET-HA ligament groups. The in vivo tests showed that both micro-CT analysis (bone mineral density and bone volume per total volume) and histological analysis (bone implant contact and interface area) revealed significantly higher peri-implant bone formation and less interface area in the SV/CS/PET-HA group than in the other groups. CONCLUSION The SV-CS composite nanoporous structure was associated with the improved biocompatibility and osteogenic differentiation in vitro and enhanced osteointegration process in vivo of plasma-sprayed HA-coated PET ligaments.
Collapse
Affiliation(s)
- Xiaoquan Ding
- Center of Sports Medicine, Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai200040, People’s Republic of China
| | - Siheng Wang
- Center of Sports Medicine, Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai200040, People’s Republic of China
| | - Wenhe Jin
- Center of Sports Medicine, Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai200040, People’s Republic of China
| | - Xingwang Liu
- Center of Sports Medicine, Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai200040, People’s Republic of China
| | - Jun Chen
- Center of Sports Medicine, Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai200040, People’s Republic of China
| | - Shiyi Chen
- Center of Sports Medicine, Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai200040, People’s Republic of China
| |
Collapse
|
10
|
Notani N, Miyazaki M, Toyoda M, Kanezaki S, Ishihara T, Tsumura H. Enhancing the effects of exfoliated carbon nanofibers using bone morphogenetic protein in a rat spinal fusion model. J Orthop Res 2018; 36:2892-2900. [PMID: 29917272 DOI: 10.1002/jor.24073] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Accepted: 06/11/2018] [Indexed: 02/04/2023]
Abstract
Exfoliated carbon nanofibers (ExCNFs) are expected to serve as excellent scaffolds for promoting and guiding bone-tissue regeneration. We aimed to enhance the effects of ExCNFs using bone morphogenetic proteins (BMPs) and examined their feasibility and safety in clinical applications using a rat spinal fusion model. Group I (n = 15) animals were implanted with the control carrier; Group II (n = 16) animals were implanted with carrier containing 1 μg ExCNFs; Group III (n = 16) animals were implanted with carrier containing 1 μg recombinant human (rh) BMP-2; and Group IV (n = 17) animals were implanted with carrier containing 1 μg rhBMP-2 and 1 μg ExCNFs. The rats were euthanized after 4 or 8 weeks and their spines were explanted and assessed by manual palpation, radiographs, and high-resolution microcomputerized tomography (micro-CT); the spines were also subjected to histological analysis. The fusion rates in Group IV (25.0%: 4-week, 45.5%: 8-week) were considerably higher than in Groups I (0%: 4-week, 0%: 8-week), II (0%: 4-week, 15.0%: 8-week), and III (16.7%: 4-week, 30.0%: 8-week). These results demonstrated the enhancement of ExCNF bone fusion effects by BMP in a rat spinal fusion model. Our results suggest that the enhancement of ExCNFs effects by BMP makes this combination a possible attractive therapy for spinal fusion surgeries. © 2018 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:2892-2900, 2018.
Collapse
Affiliation(s)
- Naoki Notani
- Faculty of Medicine, Department of Orthopaedic Surgery, Oita University, 1-1 Idaigaoka, Hasama-machi, Yufu-shi, Oita 879-5593, Japan
| | - Masashi Miyazaki
- Faculty of Medicine, Department of Orthopaedic Surgery, Oita University, 1-1 Idaigaoka, Hasama-machi, Yufu-shi, Oita 879-5593, Japan
| | - Masahiro Toyoda
- Faculty of Engineering, Department of Applied Chemistry, Oita University, Oita, Japan
| | - Shozo Kanezaki
- Faculty of Medicine, Department of Orthopaedic Surgery, Oita University, 1-1 Idaigaoka, Hasama-machi, Yufu-shi, Oita 879-5593, Japan
| | - Toshinobu Ishihara
- Faculty of Medicine, Department of Orthopaedic Surgery, Oita University, 1-1 Idaigaoka, Hasama-machi, Yufu-shi, Oita 879-5593, Japan
| | - Hiroshi Tsumura
- Faculty of Medicine, Department of Orthopaedic Surgery, Oita University, 1-1 Idaigaoka, Hasama-machi, Yufu-shi, Oita 879-5593, Japan
| |
Collapse
|
11
|
ONO-1301 Enhances in vitro Osteoblast Differentiation and in vivo Bone Formation Induced by Bone Morphogenetic Protein. Spine (Phila Pa 1976) 2018; 43:E616-E624. [PMID: 29016438 DOI: 10.1097/brs.0000000000002439] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN In vitro and in vivo assessment of osteogenic effect by prostacyclin agonist (ONO-1301). OBJECTIVE The aim of this study was to investigate the effects of ONO-1301 on in vitro osteoblastic differentiation and in vivo bone formation induced by bone morphogenetic protein (BMP). SUMMARY OF BACKGROUND DATA Among prostaglandins (PGs), PGE2 is the most abundant in bone tissue and its effects on bone formation have been well studied. PGI2 (prostacyclin) is the second most abundant PG in bone tissue and plays important roles in hemodynamics. However, the effects of PGI2 on osteoblast differentiation and bone regeneration have not been elucidated. METHODS The effects of PGI2 agonist (ONO-1301), with and without recombinant human (rh) BMP-2, on osteoblastic differentiation and cell proliferation were investigated in vitro using alkaline phosphatase (ALP) and WST-1 assays. Murine primary osteoblasts and cell lines (ST2, MC3T3-E1, C2C12, and CH310T1/2) were used for the study. The effects of ONO-1301 on rhBMP-2 induced bone formation were investigated in a mouse model of muscle pouch transplantation (ectopic model) and in a rat model of spinal fusion (orthotopic model). RESULTS ONO-1301 significantly increased ALP activity in the primary osteoblasts and ST2 cells. In addition, cotreatment with ONO-1301 and rhBMP-2 significantly increased ALP activity in the primary osteoblasts, as well as in ST2 and MC3T3-E1 cells. Cell proliferation was not affected by both ONO-1301 and ONO-1301 as well as rhBMP-2. In the ectopic model, ONO-1301 significantly increased the volume of ectopic bone whose formation was induced by BMP. In addition, in the orthotopic model, ONO-1301 significantly increased bone volume and fusion rate. CONCLUSION This study has demonstrated that the PG IP agonist ONO-1301 improves in vitro BMP-2 induced osteoblast differentiation and in vivo ectopic and orthotopic bone formation. The results suggest that ONO-1301 has a potential clinical application as an enhancer of BMP-induced bone formation. LEVEL OF EVIDENCE N/A.
Collapse
|