1
|
Qiu J, Liu J, Tian L, Yu J, Duan Q, Liu Y, Zhao W, Si H, Lu X, Zhang Q. Knockdown of LOX-1 ameliorates bone quality and generation of type H blood vessels in diabetic mice. Arch Biochem Biophys 2024; 752:109870. [PMID: 38141905 DOI: 10.1016/j.abb.2023.109870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 11/02/2023] [Accepted: 12/15/2023] [Indexed: 12/25/2023]
Abstract
Our previous studies have shown that lectin-like oxidized low-density lipoprotein receptor 1 (LOX-1) is expressed in liver sinusoidal endothelial cells, and oxidized low-density lipoprotein induces liver sinusoidal dysfunction and defenestration through the LOX-1/ROS/NF-kB pathway, revealing that LOX-1 can mediate liver sinusoidal barrier function, involved in the regulation of non-alcoholic fatty liver disease. Here, we investigated whether, in the context of bone metabolic diseases, LOX-1 could affect bone quality and type H blood vessels in diabetic mice. We used db/db mice as model and found that LOX-1 knockdown can ameliorate bone quality and type H blood vessel generation in db/db mice. This further verifies our hypothesis that LOX-1 is involved in the regulation of bone quality and type H blood vessel homeostasis, thus inhibiting osteoporosis progression in db/db mice.
Collapse
Affiliation(s)
- Jumei Qiu
- First Clinical School of Medicine, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu Province, China; Department of Geriatrics, Gansu Provincial Hospital, Lanzhou, 730000, Gansu Province, China
| | - Jing Liu
- Department of Geriatrics, Gansu Provincial Hospital, Lanzhou, 730000, Gansu Province, China; Clinical Research Center for Metabolic Disease, Lanzhou, 730000, Gansu Province, China
| | - Limin Tian
- First Clinical School of Medicine, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu Province, China; Department of Geriatrics, Gansu Provincial Hospital, Lanzhou, 730000, Gansu Province, China; Clinical Research Center for Metabolic Disease, Lanzhou, 730000, Gansu Province, China
| | - Jing Yu
- Department of Geriatrics, Gansu Provincial Hospital, Lanzhou, 730000, Gansu Province, China; Clinical Research Center for Metabolic Disease, Lanzhou, 730000, Gansu Province, China
| | - Qidang Duan
- First Clinical School of Medicine, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu Province, China; Department of Geriatrics, Gansu Provincial Hospital, Lanzhou, 730000, Gansu Province, China
| | - Yaqian Liu
- First Clinical School of Medicine, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu Province, China; Department of Geriatrics, Gansu Provincial Hospital, Lanzhou, 730000, Gansu Province, China
| | - Wenshu Zhao
- First Clinical School of Medicine, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu Province, China; Department of Geriatrics, Gansu Provincial Hospital, Lanzhou, 730000, Gansu Province, China
| | - Huiling Si
- First Clinical School of Medicine, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu Province, China; Department of Geriatrics, Gansu Provincial Hospital, Lanzhou, 730000, Gansu Province, China
| | - Xun Lu
- Ningxia Medical University, Yinchuan, 750000, Ningxia Hui Autonomous Region, China
| | - Qi Zhang
- First Clinical School of Medicine, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu Province, China; Department of Geriatrics, Gansu Provincial Hospital, Lanzhou, 730000, Gansu Province, China; Clinical Research Center for Metabolic Disease, Lanzhou, 730000, Gansu Province, China.
| |
Collapse
|
2
|
Setoguchi F, Sena K, Noguchi K. Low-Intensity Pulsed Ultrasound Promotes BMP9 Induced Osteoblastic Differentiation in Rat Dedifferentiated Fat Cells. Int J Stem Cells 2023; 16:406-414. [PMID: 37385636 PMCID: PMC10686803 DOI: 10.15283/ijsc23027] [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: 03/11/2023] [Revised: 05/24/2023] [Accepted: 05/25/2023] [Indexed: 07/01/2023] Open
Abstract
Dedifferentiated fat cells (DFATs) isolated from mature adipocytes have a multilineage differentiation capacity similar to mesenchymal stem cells and are considered as promising source of cells for tissue engineering. Bone morphogenetic protein 9 (BMP9) and low-intensity pulsed ultrasound (LIPUS) have been reported to stimulate bone formation both in vitro and in vivo. However, the combined effect of BMP9 and LIPUS on osteoblastic differentiation of DFATs has not been studied. After preparing DFATs from mature adipose tissue from rats, DFATs were treated with different doses of BMP9 and/or LIPUS. The effects on osteoblastic differentiation were assessed by changes in alkaline phosphatase (ALP) activity, mineralization/calcium deposition, and expression of bone related genes; Runx2, osterix, osteopontin. No significant differences for ALP activity, mineralization deposition, as well as expression for bone related genes were observed by LIPUS treatment alone while treatment with BMP9 induced osteoblastic differentiation of DFATs in a dose dependent manner. Further, co-treatment with BMP9 and LIPUS significantly increased osteoblastic differentiation of DFATs compared to those treated with BMP9 alone. In addition, upregulation for BMP9-receptor genes was observed by LIPUS treatment. Indomethacin, an inhibitor of prostaglandin synthesis, significantly inhibited the synergistic effect of BMP9 and LIPUS co-stimulation on osteoblastic differentiation of DFATs. LIPUS promotes BMP9 induced osteoblastic differentiation of DFATs in vitro and prostaglandins may be involved in this mechanism.
Collapse
Affiliation(s)
- Fumiaki Setoguchi
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Kotaro Sena
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
- Division of Preventive Dentistry, Department of Community Social Dentistry, Graduate School of Dentistry, Tohoku University, Miyagi, Japan
| | - Kazuyuki Noguchi
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| |
Collapse
|
3
|
Ambattu LA, Yeo LY. Sonomechanobiology: Vibrational stimulation of cells and its therapeutic implications. BIOPHYSICS REVIEWS 2023; 4:021301. [PMID: 38504927 PMCID: PMC10903386 DOI: 10.1063/5.0127122] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 02/27/2023] [Indexed: 03/21/2024]
Abstract
All cells possess an innate ability to respond to a range of mechanical stimuli through their complex internal machinery. This comprises various mechanosensory elements that detect these mechanical cues and diverse cytoskeletal structures that transmit the force to different parts of the cell, where they are transcribed into complex transcriptomic and signaling events that determine their response and fate. In contrast to static (or steady) mechanostimuli primarily involving constant-force loading such as compression, tension, and shear (or forces applied at very low oscillatory frequencies (≤ 1 Hz) that essentially render their effects quasi-static), dynamic mechanostimuli comprising more complex vibrational forms (e.g., time-dependent, i.e., periodic, forcing) at higher frequencies are less well understood in comparison. We review the mechanotransductive processes associated with such acoustic forcing, typically at ultrasonic frequencies (> 20 kHz), and discuss the various applications that arise from the cellular responses that are generated, particularly for regenerative therapeutics, such as exosome biogenesis, stem cell differentiation, and endothelial barrier modulation. Finally, we offer perspectives on the possible existence of a universal mechanism that is common across all forms of acoustically driven mechanostimuli that underscores the central role of the cell membrane as the key effector, and calcium as the dominant second messenger, in the mechanotransduction process.
Collapse
Affiliation(s)
- Lizebona August Ambattu
- Micro/Nanophysics Research Laboratory, School of Engineering, RMIT University, Melbourne VIC 3000, Australia
| | - Leslie Y. Yeo
- Micro/Nanophysics Research Laboratory, School of Engineering, RMIT University, Melbourne VIC 3000, Australia
| |
Collapse
|
4
|
Luo D, Peng S, Li Q, Rao P, Tao G, Wang L, Xiao J. Methyltransferase-like 3 modulates osteogenic differentiation of adipose-derived stem cells in osteoporotic rats. J Gene Med 2023; 25:e3481. [PMID: 36782035 DOI: 10.1002/jgm.3481] [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: 10/20/2022] [Revised: 01/20/2023] [Accepted: 02/09/2023] [Indexed: 02/15/2023] Open
Abstract
BACKGROUND Osteoporosis (OP) is a metabolic bone disease involving reduced bone mass. Adipose-derived stem cells (ASCs) play an important role in bone regeneration. Emerging evidence suggests that methyltransferase-like 3 (METTL3) plays a significant role in bone development and metabolism. Therefore, this study investigates changes to METTL3 in the osteogenic differentiation of adipose stem cells in osteoporotic rats (OP-ASCs) and explores ways to enhance their osteogenic ability. METHODS An animal model of osteoporosis was established by removing both ovaries in rats. Real-time PCR and western blotting were performed to detect the expression of METTL3 and bone-related molecules, including runt-related transcription factor 2 (Runx2) and osteopontin (Opn). Furthermore, alkaline phosphatase staining was used to confirm the osteogenic potential of stem cells. Mettl3 small interfering RNA and Mettl3 overexpression lentivirus were used to assess the role of METTL3 in osteogenic differentiation of ASCs and OP-ASCs. RESULTS The osteogenic differentiation capacity and Mettl3 expression significantly decreased in OP-ASCs. Moreover, Mettl3 silencing down-regulated the osteogenic ability of ASCs, and overexpression of Mettl3 recovered the impaired osteogenic capacity in OP-ASCs in vitro. CONCLUSION The Mettl3 expression levels and osteogenic potential of OP-ASCs decreased. However, overexpression of METTL3 rescued the osteogenic ability of OP-ASCs, providing a new target for treatment of osteoporotic bone defects.
Collapse
Affiliation(s)
- Daowen Luo
- Department of Oral and Maxillofacial Surgery, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
| | - Shuanglin Peng
- Department of Oral Implantology, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China.,Department of Oral and Maxillofacial Surgery, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Qing Li
- Luzhou Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
| | - Pengcheng Rao
- Department of Oral and Maxillofacial Surgery, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China.,Department of Oral and Maxillofacial Surgery, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Gang Tao
- Luzhou Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
| | - Lang Wang
- Department of Oral and Maxillofacial Surgery, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China.,Department of Oral Implantology, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
| | - Jingang Xiao
- Department of Oral and Maxillofacial Surgery, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China.,Department of Oral Implantology, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China.,Department of Oral and Maxillofacial Surgery, The Affiliated Hospital of Southwest Medical University, Luzhou, China.,Luzhou Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
| |
Collapse
|
5
|
An exploratory clinical trial for concentrated autologous bone marrow aspirate transplantation in the treatment of osteonecrosis of the femoral head. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY & TRAUMATOLOGY : ORTHOPEDIE TRAUMATOLOGIE 2023; 33:441-447. [PMID: 35103855 DOI: 10.1007/s00590-022-03201-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 01/02/2022] [Indexed: 10/19/2022]
Abstract
PURPOSE This study evaluated the efficacy and safety of a novel treatment for osteonecrosis, in which concentrated autologous bone marrow aspirate transplantation (CABMAT) is followed by low-intensity pulsed ultrasound (LIPUS) stimulation for 3 months. The study was designed as a prospective, uncontrolled, open-label phase II clinical study. METHODS This study included 16 cases of osteonecrosis of the femoral head (ONFH), including 26 hips. Patients were transplanted with concentrated bone marrow and periodically evaluated for infection and neoplasm development. Moreover, clinical and radiological examinations were conducted to confirm the treatment efficacy. RESULTS No infections were observed during the course of this study nor tumours developed at the treatment site 24 months after transplantation. At a mean 48 (30-56) months post-transplantation, the onset or progression of collapse was noted in four hips, of which one hip underwent total hip arthroplasty. CONCLUSION Treatment with CABMAT combined with 3-month LIPUS stimulation was safe, and further randomised clinical studies are needed to determine the efficacy and feasibility of this treatment. TRIAL REGISTRATION UMIN Clinical Trials Registry (UMIN000020940, 9/2/2016).
Collapse
|
6
|
Sawauchi K, Fukui T, Oe K, Kumabe Y, Oda T, Yoshikawa R, Takase K, Matsushita T, Matsumoto T, Hayashi S, Kuroda R, Niikura T. Low-Intensity Pulsed Ultrasound Promotes Osteogenic Differentiation of Reamer-Irrigator-Aspirator Graft-Derived Cells in Vitro. ULTRASOUND IN MEDICINE & BIOLOGY 2022; 48:313-322. [PMID: 34785092 DOI: 10.1016/j.ultrasmedbio.2021.10.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 09/29/2021] [Accepted: 10/04/2021] [Indexed: 06/13/2023]
Abstract
Recently, reamer-irrigator-aspirator (RIA) systems have been increasingly used to harvest autologous bone grafts. RIA graft materials contain bone marrow, which provides a viable source to derive large numbers of mesenchymal stem cells. Low-intensity pulsed ultrasound (LIPUS) significantly accelerates the differentiation of stem cells derived from bone marrow. This in vitro study investigated the effect of LIPUS on the osteogenic activity and differentiation of RIA graft-derived cells. A small amount of RIA graft was obtained from seven patients. After the cells derived from RIA grafts were cultured, they were divided into two groups: the LIPUS and control groups. LIPUS was applied once daily for 20 min (1.5 MHz, pulse duration: 200 µs, pulse repetition rate: 1 kHz, spatial average-temporal average intensity: 30 mW/cm2). Alkaline phosphatase activity (113.4% and 130.1% on days 7 and 14), expression of osteoblast-related genes (ALP, Runx2) and mineralization (135.2% on day 21) of the RIA graft-derived cells were significantly higher in the LIPUS group than in the control group. However, LIPUS did not affect the cell proliferation of RIA graft-derived cells. This study indicates that LIPUS may enhance the healing of non-union and critical bone defects treated by autologous bone grafting using the RIA system.
Collapse
Affiliation(s)
- Kenichi Sawauchi
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, 650-0017, Japan
| | - Tomoaki Fukui
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, 650-0017, Japan
| | - Keisuke Oe
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, 650-0017, Japan
| | - Yohei Kumabe
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, 650-0017, Japan
| | - Takahiro Oda
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, 650-0017, Japan
| | - Ryo Yoshikawa
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, 650-0017, Japan
| | - Kyohei Takase
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, 650-0017, Japan
| | - Takehiko Matsushita
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, 650-0017, Japan
| | - Tomoyuki Matsumoto
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, 650-0017, Japan
| | - Shinya Hayashi
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, 650-0017, Japan
| | - Ryosuke Kuroda
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, 650-0017, Japan
| | - Takahiro Niikura
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, 650-0017, Japan.
| |
Collapse
|
7
|
Brassolatti P, Bossini PS, de Andrade ALM, Luna GLF, da Silva JV, Almeida-Lopes L, Napolitano MA, de Avó LRDS, Leal ÂMDO, Anibal FDF. Comparison of two different biomaterials in the bone regeneration (15, 30 and 60 days) of critical defects in rats. Acta Cir Bras 2021; 36:e360605. [PMID: 34287608 PMCID: PMC8291905 DOI: 10.1590/acb360605] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 04/08/2021] [Accepted: 05/04/2021] [Indexed: 02/08/2023] Open
Abstract
PURPOSE To evaluate and compare two types of different scaffolds in critical bone defects in rats. METHODS Seventy male Wistar rats (280 ± 20 grams) divided into three groups: control group (CG), untreated animals; biomaterial group 1 (BG1), animals that received the scaffold implanted hydroxyapatite (HA)/poly(lactic-co-glycolic) acid (PLGA); and biomaterial group 2 (BG2), animals that received the scaffolds HA/PLGA/Bleed. The critical bone defect was induced in the medial region of the skull calotte with the aid of an 8-mm-diameter trephine drill. The biomaterial was implanted in the form of 1.5 mm thick scaffolds, and samples were collected after 15, 30 and 60 days. Non-parametric Mann-Whitney test was used, with the significance level of 5% (p ≤ 0.05). RESULTS Histology revealed morphological and structural differences of the neoformed tissue between the experimental groups. Collagen-1 (Col-1) findings are consistent with the histological ones, in which BG2 presented the highest amount of fibers in its tissue matrix in all evaluated periods. In contrast, the results of receptor activator of nuclear factor kappa-Β ligand (Rank-L) immunoexpression were higher in BG2 in the periods of 30 and 60 days, indicating an increase of the degradation of the biomaterial and the remodeling activity of the bone. CONCLUSIONS The properties of the HA/PLGA/Bleed scaffold were superior when compared to the scaffold composed only by HA/PLGA.
Collapse
Affiliation(s)
- Patricia Brassolatti
- PhD in Biotechnology. Postgraduate Program in Evolutionary Genetics
and Molecular Biology – Department of Morphology and Pathology – Universidade
Federal de São Carlos – Sao Carlos (SP), Brazil
| | - Paulo Sérgio Bossini
- PhD in Physiotherapy. NUPEN - Research and Education Center in
Health Science and DMC Equipment Import and Export-Co. Ltda – Sao Carlos (SP),
Brazil
| | - Ana Laura Martins de Andrade
- PhD in Physiotherapy. Department of Physiotherapy – Universidade
Federal de São Carlos – Sao Carlos (SP), Brazil
| | - Genoveva Lourdes Flores Luna
- PhD in Biotechnology. Metabolic Endocrine Research Laboratory –
Department of Medicine – Universidade Federal University de São Carlos – Sao Carlos
(SP), Brazil
| | - Juliana Virginio da Silva
- Graduate student in Biotechnology. Institute of Physics of Sao
Carlos– Universidade de São Paulo – Sao Carlos (SP), Brazil
| | - Luciana Almeida-Lopes
- PhD in Science and Materials Engineering. NUPEN - Research and
Education Center in Health Science and DMC Equipment Import and Export-Co. Ltda –
Sao Carlos (SP), Brazil
| | | | | | | | - Fernanda de Freitas Anibal
- Associate Professor. Department of Morphology and Pathology –
Universidade Federal de São Carlos – Sao Carlos (SP), Brazil
| |
Collapse
|
8
|
Imafuji T, Shirakata Y, Shinohara Y, Nakamura T, Noguchi K. Enhanced bone formation of calvarial bone defects by low-intensity pulsed ultrasound and recombinant human bone morphogenetic protein-9: a preliminary experimental study in rats. Clin Oral Investig 2021; 25:5917-5927. [PMID: 33755786 DOI: 10.1007/s00784-021-03897-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 03/18/2021] [Indexed: 01/24/2023]
Abstract
OBJECTIVES The aim of this study was to evaluate the combined effects of recombinant human bone morphogenetic protein - 9 (rhBMP-9) loaded onto absorbable collagen sponges (ACS) and low-intensity pulsed ultrasound (LIPUS) on bone formation in rat calvarial defects. MATERIALS AND METHODS Circular calvarial defects were surgically created in 18 Wistar rats, which were divided into LIPUS-applied (+) and LIPUS-non-applied (-) groups. The 36 defects in each group received ACS implantation (ACS group), ACS with rhBMP-9 (rhBMP-9/ACS group), or surgical control (control group), yielding the following six groups: ACS (+/-), rhBMP-9/ACS (+/-), and control (+/-). The LIPUS-applied groups received daily LIPUS exposure starting immediately after surgery. At 4 weeks, animals were sacrificed and their defects were investigated histologically and by microcomputed tomography. RESULTS Postoperative clinical healing was uneventful at all sites. More new bone was observed in the LIPUS-applied groups compared with the LIPUS-non-applied groups. Newly formed bone area (NBA)/total defect area (TA) in the ACS (+) group (46.49 ± 7.56%) was significantly greater than that observed in the ACS (-) (34.31 ± 5.68%) and control (-) (31.13 ± 6.74%) groups (p < 0.05). The rhBMP-9/ACS (+) group exhibited significantly greater bone volume, NBA, and NBA/TA than the rhBMP-9/ACS (-) group (2.46 ± 0.65 mm3 vs. 1.76 ± 0.44 mm3, 1.25 ± 0.31 mm2 vs. 0.88 ± 0.22 mm2, and 62.80 ± 11.87% vs. 42.66 ± 7.03%, respectively) (p < 0.05). Furthermore, the rhBMP-9/ ACS (+) group showed the highest level of bone formation among all groups. CONCLUSION Within their limits, it can be concluded that LIPUS had osteopromotive potential and enhanced rhBMP-9-induced bone formation in calvarial defects of rats. CLINICAL RELEVANCE The use of rhBMP-9 with LIPUS stimulation can be a potential bone regenerative therapy for craniofacial/peri-implant bone defects.
Collapse
Affiliation(s)
- Takatomo Imafuji
- Department of Periodontology, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima, 890-8544, Japan
| | - Yoshinori Shirakata
- Department of Periodontology, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima, 890-8544, Japan.
| | - Yukiya Shinohara
- Department of Periodontology, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima, 890-8544, Japan
| | - Toshiaki Nakamura
- Department of Periodontology, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima, 890-8544, Japan
| | - Kazuyuki Noguchi
- Department of Periodontology, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima, 890-8544, Japan
| |
Collapse
|
9
|
Tabuchi Y, Hasegawa H, Suzuki N, Furusawa Y, Hirano T, Nagaoka R, Hirayama J, Hoshi N, Mochizuki T. Genetic response to low‑intensity ultrasound on mouse ST2 bone marrow stromal cells. Mol Med Rep 2021; 23:173. [PMID: 33398373 PMCID: PMC7821223 DOI: 10.3892/mmr.2020.11812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Accepted: 10/27/2020] [Indexed: 11/05/2022] Open
Abstract
Although low‑intensity ultrasound (LIUS) is a clinically established procedure, the early cellular effect of LIUS on a genetic level has not yet been studied. The current study investigated the early response genes elicited by LIUS in bone marrow stromal cells (BMSCs) using global‑scale microarrays and computational gene expression analysis tools. Mouse ST2 BMSCs were treated with LIUS [ISATA, 25 mW/cm2 for 20 min with a frequency of 1.11 MHz in a pulsed‑wave mode (0.2‑s burst sine waves repeated at 1 kHz)], then cultured for 0.5, 1 and 3 h at 37˚C. The time course of changes in gene expression was evaluated using GeneChip® high‑density oligonucleotide microarrays and Ingenuity® Pathway Analysis tools. The results were verified by reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR). A single exposure of LIUS did not affect cell morphology, cell growth or alkaline phosphatase activity. However, 61 upregulated and 103 downregulated genes were identified from 0.5 to 3 h after LIUS treatment. Two significant gene networks, labeled E and H, were identified from the upregulated genes, while a third network, labeled T, was identified from the downregulated genes. Gene network E or H containing the immediate‑early genes FBJ osteosarcoma oncogene and early growth response 1 or the heat shock proteins heat shock protein 1a/b was associated mainly with the biological functions of bone physiology and protein folding or apoptosis, respectively. Gene network T containing transcription factors fos‑like antigen 1 and serum response factor was also associated with the biological functions of the gene expression. RT‑qPCR indicated that the expression of several genes in the gene networks E and H were elevated in LIUS‑treated cells. LIUS was demonstrated to induce gene expression after short application in mouse ST2 BMSCs. The results of the present study provide a basis for the elucidation of the detailed molecular mechanisms underlying the cellular effects of LIUS.
Collapse
Affiliation(s)
- Yoshiaki Tabuchi
- Division of Molecular Genetics Research, Life Science Research Center, University of Toyama, Toyama 930-0194, Japan
| | - Hideyuki Hasegawa
- Graduate School of Science and Engineering, University of Toyama, Toyama 930‑8555, Japan
| | - Nobuo Suzuki
- Noto Marine Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Ishikawa 927‑0553, Japan
| | - Yukihiro Furusawa
- Department of Liberal Arts and Sciences, Toyama Prefectural University, Toyama 939-0398, Japan
| | - Tetsushi Hirano
- Division of Molecular Genetics Research, Life Science Research Center, University of Toyama, Toyama 930-0194, Japan
| | - Ryo Nagaoka
- Graduate School of Science and Engineering, University of Toyama, Toyama 930‑8555, Japan
| | - Jun Hirayama
- Department of Clinical Engineering, Faculty of Health Sciences, Komatsu University, Komatsu 923‑0961, Japan
| | - Nobuhiko Hoshi
- Laboratory of Animal Molecular Morphology, Department of Animal Science, Graduate School of Agricultural Science, Kobe University, Kobe 657‑8501, Japan
| | | |
Collapse
|
10
|
Berber R, Aziz S, Simkins J, Lin SS, Mangwani J. Low Intensity Pulsed Ultrasound Therapy (LIPUS): A review of evidence and potential applications in diabetics. J Clin Orthop Trauma 2020; 11:S500-S505. [PMID: 32774018 PMCID: PMC7394837 DOI: 10.1016/j.jcot.2020.03.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 03/16/2020] [Accepted: 03/17/2020] [Indexed: 11/29/2022] Open
Abstract
Low Intensity Pulsed Ultrasound Therapy (LIPUS) is a non-invasive treatment and aims to reduce fracture healing time and avoid non-union by delivering micro-mechanical stress to the bone to stimulate bone healing. In 2018, the National Institute for Health and Clinical Excellence (NICE) recommended that the evidence for LIPUS to promote healing of delayed-union and non-union fractures raised no major safety concerns, but the current evidence on efficacy is inadequate in quality. Little is known about the potential benefits of LIPUS for fracture healing in diabetic patients. In this article, we review the current evidence of LIPUS therapy both in animal and human studies and its possible application on fractures in diabetics.
Collapse
Affiliation(s)
- Reshid Berber
- Academic Team of Musculoskeletal Surgery, Leicester General Hospital, Gwendolen Road, Leicester, LE5 4PW, UK
| | - Sheweidin Aziz
- Academic Team of Musculoskeletal Surgery, Leicester General Hospital, Gwendolen Road, Leicester, LE5 4PW, UK
| | - Joanna Simkins
- Academic Team of Musculoskeletal Surgery, Leicester General Hospital, Gwendolen Road, Leicester, LE5 4PW, UK
| | - Sheldon S. Lin
- Department of Orthopaedics, Rutgers New Jersey Medical School, 90 Bergen Street, Newark, NJ, 07101, USA
| | - Jitendra Mangwani
- Academic Team of Musculoskeletal Surgery, Leicester General Hospital, Gwendolen Road, Leicester, LE5 4PW, UK,Corresponding author. Academic Team of Musculoskeletal Surgery, Leicester General Hospital, Gwendolen Road, Leicester, LE5 4PW, UK.
| |
Collapse
|
11
|
Horne DA, Jones PD, Adams MS, Lotz JC, Diederich CJ. LIPUS far-field exposimetry system for uniform stimulation of tissues in-vitro: development and validation with bovine intervertebral disc cells. Biomed Phys Eng Express 2020; 6:035033. [PMID: 33438678 DOI: 10.1088/2057-1976/ab8b26] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Therapeutic Low-intensity Pulsed Ultrasound (LIPUS) has been applied clinically for bone fracture healing and has been shown to stimulate extracellular matrix (ECM) metabolism in numerous soft tissues including intervertebral disc (IVD). In-vitro LIPUS testing systems have been developed and typically include polystyrene cell culture plates (CCP) placed directly on top of the ultrasound transducer in the acoustic near-field (NF). This configuration introduces several undesirable acoustic artifacts, making the establishment of dose-response relationships difficult, and is not relevant for targeting deep tissues such as the IVD, which may require far-field (FF) exposure from low frequency sources. The objective of this study was to design and validate an in-vitro LIPUS system for stimulating ECM synthesis in IVD-cells while mimicking attributes of a deep delivery system by delivering uniform, FF acoustic energy while minimizing reflections and standing waves within target wells, and unwanted temperature elevation within target samples. Acoustic field simulations and hydrophone measurements demonstrated that by directing LIPUS energy at 0.5, 1.0, or 1.5 MHz operating frequency, with an acoustic standoff in the FF (125-350 mm), at 6-well CCP targets including an alginate ring spacer, uniform intensity distributions can be delivered. A custom FF LIPUS system was fabricated and demonstrated reduced acoustic intensity field heterogeneity within CCP-wells by up to 93% compared to common NF configurations. When bovine IVD cells were exposed to LIPUS (1.5 MHz, 200 μs pulse, 1 kHz pulse frequency, and ISPTA = 120 mW cm-2) using the FF system, sample heating was minimal (+0.81 °C) and collagen content was increased by 2.6-fold compared to the control and was equivalent to BMP-7 growth factor treatment. The results of this study demonstrate that FF LIPUS exposure increases collagen content in IVD cells and suggest that LIPUS is a potential noninvasive therapeutic for stimulating repair of tissues deep within the body such as the IVD.
Collapse
Affiliation(s)
- Devante A Horne
- Department of Orthopaedic Surgery, University of California, San Francisco, United States of America. The UC Berkeley-UCSF Graduate Program in Bioengineering, University of California, Berkeley, and University of California, San Francisco, United States of America. Thermal Therapy Research Group, Radiation Oncology Department, University of California, San Francisco, United States of America
| | | | | | | | | |
Collapse
|
12
|
Amini A, Chien S, Bayat M. Impact of Ultrasound Therapy on Stem Cell Differentiation - A Systematic Review. Curr Stem Cell Res Ther 2020; 15:462-472. [PMID: 32096749 DOI: 10.2174/1574888x15666200225124934] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 01/08/2020] [Accepted: 01/10/2020] [Indexed: 12/12/2022]
Abstract
OBJECTIVE This is a systematic review of the effects of low-intensity pulsed ultrasound (LIPUS) on stem cell differentiation. BACKGROUND DATA Recent studies have investigated several types of stem cells from different sources in the body. These stem cells should strictly be certified and promoted for cell therapies before being used in medical applications. LIPUS has been used extensively in treatment centers and in research to promote stem cell differentiation, function, and proliferation. MATERIALS AND METHODS The databases of PubMed, Google Scholar, and Scopus were searched for abstracts and full-text scientific papers published from 1989-2019 that reported the application of LIPUS on stem cell differentiation. Related English language articles were found using the following defined keywords: low-intensity pulsed ultrasound, stem cell, differentiation. Criteria for inclusion in the review were: LIPUS with frequencies of 1-3 MHz and pulsed ultrasound intensity of <500 mW/cm2. Duration, exposure time, and cell sources were taken into consideration. RESULTS Fifty-two articles were selected based on the inclusion criteria. Most articles demonstrated that the application of LIPUS had positive effects on stem cell differentiation. However, some authors recommended that LIPUS combined with other physical therapy aides was more effective in stem cell differentiation. CONCLUSION LIPUS significantly increases the level of stem cell differentiation in cells derived mainly from bone marrow mesenchymal stem cells. There is a need for further studies to analyze the effect of LIPUS on cells derived from other sources, particularly adipose tissue-derived mesenchymal stem cells, for treating hard diseases, such as osteoporosis and diabetic foot ulcer. Due to a lack of reporting on standard LIPUS parameters in the field, more experiments comparing the protocols for standardization of LIPUS parameters are needed to establish the best protocol, which would allow for the best results.
Collapse
Affiliation(s)
- Abdollah Amini
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sufan Chien
- Price Institute of Surgical Research, University of Louisville, Louisville, KY, United States
| | - Mohammad Bayat
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Price Institute of Surgical Research, University of Louisville, Louisville, KY, United States
| |
Collapse
|
13
|
Tabuchi Y, Hasegawa H, Suzuki N, Furusawa Y, Hirano T, Nagaoka R, Takeuchi SI, Shiiba M, Mochizuki T. Low-intensity pulsed ultrasound promotes the expression of immediate-early genes in mouse ST2 bone marrow stromal cells. J Med Ultrason (2001) 2020; 47:193-201. [PMID: 32026128 DOI: 10.1007/s10396-020-01007-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Accepted: 12/26/2019] [Indexed: 10/25/2022]
Abstract
PURPOSE The effects of low-intensity pulsed ultrasound (LIPUS) on the expression of immediate-early genes (IEGs) in bone marrow stromal cells (BMSCs) were evaluated to elucidate the early cellular response to LIPUS. METHODS Mouse ST2 BMSCs were treated with LIPUS (ISATA, 12-34 mW/cm2 for 20 min), then cultured at 37 °C. The expression levels of four IEGs (Fos, Egr1, Jun, and Ptgs2) and ERK1/2, a mitogen-activated protein kinase/extracellular signal-regulated kinase (MAPK/ERK), were assessed using real-time quantitative PCR and Western blot analyses, respectively. RESULTS A single exposure of LIPUS at an intensity of 25 mW/cm2 significantly and transiently increased the expression levels of all four IEGs, and the peak expression was detected at 30-60 min after LIPUS stimulation. LIPUS exposure also significantly increased the phosphorylation level of ERK1/2. U0126, an inhibitor of MAPK/ERK, significantly prevented LIPUS-induced expression of Fos and Egr1, but not that of Jun and Ptgs2. On the other hand, treatment of the cells with LIPUS did not affect cell growth or alkaline phosphatase activity, a marker of osteoblast differentiation. CONCLUSION These results suggest that LIPUS exposure significantly induces expression of IEGs such as Fos and Egr1 via the MAPK/ERK pathway in ST2 BMSCs.
Collapse
Affiliation(s)
- Yoshiaki Tabuchi
- Division of Molecular Genetics Research, Life Science Research Center, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan. .,Graduate School of Innovative Life Science, University of Toyama, Toyama, Japan.
| | - Hideyuki Hasegawa
- Graduate School of Science and Engineering, University of Toyama, Toyama, Japan
| | - Nobuo Suzuki
- Noto Marine Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Ishikawa, Japan
| | - Yukihiro Furusawa
- Department of Liberal Arts and Sciences, Toyama Prefectural University, Toyama, Japan
| | - Tetsushi Hirano
- Division of Molecular Genetics Research, Life Science Research Center, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Ryo Nagaoka
- Graduate School of Science and Engineering, University of Toyama, Toyama, Japan
| | - Shin-Ichi Takeuchi
- Graduate School of Biomedical Engineering, Toin University of Yokohama, Yokohama, Japan
| | - Michihisa Shiiba
- Faculty of Health Sciences, Nihon Institute of Medical Science, Saitama, Japan
| | | |
Collapse
|
14
|
Shirakata Y, Imafuji T, Sena K, Shinohara Y, Nakamura T, Noguchi K. Periodontal tissue regeneration after low-intensity pulsed ultrasound stimulation with or without intra-marrow perforation in two-wall intra-bony defects-A pilot study in dogs. J Clin Periodontol 2019; 47:54-63. [PMID: 31518439 DOI: 10.1111/jcpe.13197] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 07/03/2019] [Accepted: 09/09/2019] [Indexed: 01/14/2023]
Abstract
AIM To evaluate the effects of low-intensity pulsed ultrasound (LIPUS) with/without intra-marrow perforation (IMP) on periodontal healing in two-wall intra-bony defects in dogs. MATERIALS AND METHODS Two-wall intra-bony defects (5 mm wide, 5 mm deep) were created at the distal and mesial aspects of mandibular premolars in four beagle dogs (four defects per dog). The 16 defects were divided into four treatment groups: IMP, LIPUS, IMP + LIPUS (IMP/LIPUS) and control (open flap debridement). The LIPUS and IMP/LIPUS sites received daily LIPUS exposure for 3 weeks starting 1 week after surgery. The animals were euthanized 4 weeks after surgery for histologic evaluation. RESULTS There was significantly greater new bone formation at LIPUS (2.93 ± 0.74 mm) and IMP/LIPUS (3.18 ± 0.52 mm) sites than at control sites (1.65 ± 0.46 mm). New bone area at LIPUS (6.36 ± 2.28 mm2 ) and IMP/LIPUS (6.13 ± 1.25 mm2 ) sites was significantly greater than that at control sites (2.15 ± 1.75 mm2 ). New cementum length at LIPUS sites (4.09 ± 0.75 mm) was significantly greater than that at control (2.29 ± 1.02 mm) and IMP (2.41 ± 0.41 mm) sites. No significant difference was observed between LIPUS and IMP/LIPUS sites in any histomorphometric parameter. CONCLUSIONS These findings suggest that LIPUS effectively promotes periodontal regeneration in two-wall intra-bony defects in dogs.
Collapse
Affiliation(s)
- Yoshinori Shirakata
- Department of Periodontology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Takatomo Imafuji
- Department of Periodontology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Kotaro Sena
- Department of Periodontology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Yukiya Shinohara
- Department of Periodontology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Toshiaki Nakamura
- Department of Periodontology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Kazuyuki Noguchi
- Department of Periodontology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| |
Collapse
|
15
|
Low-intensity pulsed ultrasound stimulation facilitates in vitro osteogenic differentiation of human adipose-derived stem cells via up-regulation of heat shock protein (HSP)70, HSP90, and bone morphogenetic protein (BMP) signaling pathway. Biosci Rep 2018; 38:BSR20180087. [PMID: 29789443 PMCID: PMC6048203 DOI: 10.1042/bsr20180087] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 03/28/2018] [Accepted: 04/10/2018] [Indexed: 02/01/2023] Open
Abstract
Low-intensity pulsed ultrasound (LIPUS) has positive effects on osteogenic differentiation. However, the effect of LIPUS on osteogenic differentiation of human adipose-derived stem cells (hASCs) is unclear. In the present study, we investigated whether LIPUS could promote the proliferation and osteogenic differentiation of hASCs. hASCs were isolated and osteogenically induced with LIPUS stimulation at 20 and 30 mW cm-2 for 30 min day-1 Cell proliferation and osteogenic differentiation potential of hASCs were respectively analyzed by cell counting kit-8 assay, Alizarin Red S staining, real-time polymerase chain reaction, and Western blotting. The results indicated that LIPUS stimulation did not significantly affect the proliferation of hASCs, but significantly increased their alkaline phosphatase activity on day 6 of culture and markedly promoted the formation of mineralized nodules on day 21 of culture. The mRNA expression levels of runt-related transcription factor, osteopontin, and osteocalcin were significantly up-regulated by LIPUS stimulation. LIPUS stimulation did not affect the expression of heat shock protein (HSP) 27, HSP40, bone morphogenetic protein (BMP)-6 and BMP-9, but significantly up-regulated the protein levels of HSP70, HSP90, BMP-2, and BMP-7 in the hASCs. Further studies found that LIPUS increased the mRNA levels of Smad 1 and Smad 5, elevated the phosphorylation of Smad 1/5, and suppressed the expression of BMP antagonist Noggin. These findings indicated that LIPUS stimulation enhanced osteogenic differentiation of hASCs possibly through the up-regulation of HSP70 and HSP90 expression and activation of BMP signaling pathway. Therefore, LIPUS might have the potential to promote the repair of bone defect.
Collapse
|
16
|
Mohaqiq M, Movahedin M, Mokhtari Dizaji M, Mazaheri Z. Upregulation of Integrin-α6 and Integrin-β1 Gene Expressions in Mouse Spermatogonial Stem Cells after Continues and Pulsed Low Intensity Ultrasound Stimulation. CELL JOURNAL 2017; 19:634-639. [PMID: 29105399 PMCID: PMC5672103 DOI: 10.22074/cellj.2018.4286] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/21/2016] [Accepted: 11/27/2016] [Indexed: 12/26/2022]
Abstract
Objective low intensity ultrasound (continues and pulsed) is a form of energy. Spermatogonial stem cells (SSCs) are
at the base of male fertility. This study investigated the effects of low intensity ultrasound stimulation (LIUS) and low
intensity pulsed ultrasound stimulation (LIUPS) on the expression of germ cell-specific and pluripotency genes in SSCs
in vitro.
Materials and Methods In this experimental study, isolated SSCs from neonatal male mice were cultured in Dulbecco’s
Modified Eagle’s Medium (DMEM) with 10% fetal bovine serum (FBS). In addition, to confirm identification of SSCs,
PLZF protein was detected positively in SSCs derived colonies. SSCs were stimulated by LIUS and LIUPS for 5 days,
followed by assessment of expression of integrin-α6 (Itga6) and β1 (Itgβ1), as two germ cell-specific genes, and Oct-
4, as a pluripotency gene, on day 21st by quantitive reverse transcriptase-polymerase chain reaction (qRT-PCR). To
investigate the proliferation rate and colonization of SSCs in different groups, counting whole number of the cells and
colonies as well as analysis of the respective diameters were performed on days 7th, 14th and 21st. Data was analyzed
by ANOVA test.
Results LIUS and LIUPS treatment of mouse SSCs increased expression of Itga6 and Itgβ1 genes in the experimental
groups, compared to the control group (P<0.05), whereas there was no significant difference between the groups,
regarding the expression of Oct-4 gene. These treatments maintained survival rate, while they increased proliferation
rate and colonization of SSCs during the first week of culture. However, within the second week, proliferation rate and
colonization were decreased in the experimental groups.
Conclusion These results suggested that LIUS and LIUPS treatment had good effect on SSCs proliferation and colonization,
based on the gene-specific marker expression during 21 days culture in vitro.
Collapse
Affiliation(s)
- Mahdi Mohaqiq
- Department of Anatomical Sciences, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mansoureh Movahedin
- Department of Anatomical Sciences, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
| | - Manijhe Mokhtari Dizaji
- Department of Medical Physics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Zohreh Mazaheri
- Department of Anatomical Sciences, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| |
Collapse
|
17
|
Wang L, Huang C, Li Q, Xu X, Liu L, Huang K, Cai X, Xiao J. Osteogenic differentiation potential of adipose-derived stem cells from ovariectomized mice. Cell Prolif 2017; 50. [PMID: 28090705 DOI: 10.1111/cpr.12328] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 11/24/2016] [Indexed: 02/05/2023] Open
Abstract
OBJECTIVES Osteoporosis (OP) is a systemic disease caused by imbalance between bone resorption and bone formation, commonly resulting from post-menopausal oestrogen deficiency. Although osteogenic differentiation potential of adipose-derived stem cells (ASCs) has been demonstrated, the effect of OP on osteogenic differentiation of ASCs remains unclear. Here, our work has been designed to compare proliferative capacity and osteogenic differentiation ability of ASCs obtained from osteoporotic mice and normal control mice. MATERIALS AND METHODS Twenty 14-week-old female C57BL/6 mice were randomly divided into two groups: one, the ovariectomy (OVX) group (n=10), the other being the sham operated (Sham) group (n=10). ASCs and OP-ASCs were obtained from subcutaneous fat of female inguinal sites. Cells were passaged three times prior to subsequent experimentation. The xCELLigence system was used to monitor cell adhesion and proliferation. Mineralized nodules of differentiated ASCs and OP-ASCs were analysed using Alizarin red staining after osteogenic induction. Expressions of osteogenic-specific genes including osteopontin (Opn) and runt-related transcription factor 2 (Runx2) were assessed by real-time PCR and expression of bone-related proteins was detected by Western blotting. RESULTS Numbers of cells in all groups increased steadily for 6 days; rate of cell proliferation in the Sham group was found to be higher than in the OVX group after 48 hours. Mineralized bone nodular structures were significantly more concentrated in the Sham group than in the OVX group by day 21, and mRNA levels of Runx2 in the OVX group were significantly lower than in the Sham group. Transcript levels of genes coding for Opn showed a similar pattern to those of Runx2. Western blot results indicated that protein expression levels of OPN and RUNX2 in the OVX group were lower than those in the Sham group, at each time point. CONCLUSIONS These results indicated that the proliferative capacity and osteogenic potential of ASCs were significantly impaired in osteoporotic mice compared to normal controls. However, use of autologous transplantation of modified OP-ASCs for treatment of OP, or combination of composite scaffolds and modified OP-ASCs for repair of osteoporotic bone defects, can overcome shortcomings of other methods.
Collapse
Affiliation(s)
- Lei Wang
- Department of Oral and Maxillofacial Surgery, The Affiliated Stomatology Hospital of Southwest Medical University, Luzhou, China.,Orofacial Reconstruction and Regeneration Laboratory, The Affiliated Stomatology Hospital of Southwest Medical University, Luzhou, China
| | - Chenglong Huang
- Department of Oral and Maxillofacial Surgery, The Affiliated Stomatology Hospital of Southwest Medical University, Luzhou, China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Qing Li
- Orofacial Reconstruction and Regeneration Laboratory, The Affiliated Stomatology Hospital of Southwest Medical University, Luzhou, China
| | - Xiaomei Xu
- Orofacial Reconstruction and Regeneration Laboratory, The Affiliated Stomatology Hospital of Southwest Medical University, Luzhou, China
| | - Lin Liu
- Department of Oral and Maxillofacial Surgery, The Affiliated Stomatology Hospital of Southwest Medical University, Luzhou, China
| | - Kui Huang
- Department of Oral and Maxillofacial Surgery, The Affiliated Stomatology Hospital of Southwest Medical University, Luzhou, China
| | - Xiaoxiao Cai
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jingang Xiao
- Department of Oral and Maxillofacial Surgery, The Affiliated Stomatology Hospital of Southwest Medical University, Luzhou, China.,Orofacial Reconstruction and Regeneration Laboratory, The Affiliated Stomatology Hospital of Southwest Medical University, Luzhou, China
| |
Collapse
|
18
|
Lu H, Chen C, Qu J, Chen H, Chen Y, Zheng C, Wang Z, Xu D, Zhou J, Zhang T, Qin L, Hu J. Initiation Timing of Low-Intensity Pulsed Ultrasound Stimulation for Tendon-Bone Healing in a Rabbit Model. Am J Sports Med 2016; 44:2706-2715. [PMID: 27358283 DOI: 10.1177/0363546516651863] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Low-intensity pulsed ultrasound stimulation (LIPUS) has been proven to be a beneficial biophysical therapy for tendon-bone (T-B) healing. However, the optimal time to initiate LIPUS treatment has not been determined yet. LIPUS initiated at different stages of the inflammatory phase may profoundly affect T-B healing. PURPOSE An established rabbit model was used to preliminarily investigate the effect of LIPUS initiation timing on T-B healing. STUDY DESIGN Controlled laboratory study. METHODS A total of 112 mature rabbits that underwent partial patellectomy were randomly assigned to 4 groups: daily mock sonication (control group) and daily ultrasonication started immediately postoperatively (immediate group), on postoperative day 7 (7-day delayed group), or on postoperative day 14 (14-day delayed group). Peripheral leukocyte counts at the inflammatory phase were used to assess postoperative inflammation. The rabbits were sacrificed at 8 or 16 weeks postoperatively for microarchitectural, histological, and mechanical evaluations of the patella-patellar tendon (PPT) junction. RESULTS The biomechanical properties of the PPT junction were significantly improved in the LIPUS-treated groups. Significantly higher ultimate strength and stiffness were seen in the 7-day delayed group compared with the other groups at 8 weeks postoperatively (P < .05 for all). Newly formed bone expansion from the remaining patella in the ultrasonic treatment groups was significantly increased and remodeled compared with the control group. Micro-computed tomography analysis showed that the 7-day delayed group had significantly more bone volume and bone mineral content at the interface as compared with the other groups at 8 weeks postoperatively (P < .05 for all). Histologically, the ultrasonic treatment groups exhibited a significantly better PPT junction, as shown by more formation and remodeling of the fibrocartilage layer and newly formed bone. Additionally, peripheral leukocyte counts displayed a significant increase from postoperative day 1 to day 3 in the immediate group as compared with the other groups. Furthermore, postoperative hydrarthrosis was more likely in the immediate group. CONCLUSION LIPUS started at postoperative day 7 had a more prominent effect on T-B healing compared with the other treatment regimens in this study. CLINICAL RELEVANCE The findings of the study may help optimize the initiation timing of LIPUS for T-B healing.
Collapse
Affiliation(s)
- Hongbin Lu
- Department of Sports Medicine, Research Center of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Can Chen
- Department of Sports Medicine, Research Center of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Jin Qu
- Department of Sports Medicine, Research Center of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Huabin Chen
- Department of Sports Medicine, Research Center of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Yong Chen
- Department of Sports Medicine, Research Center of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China Department of Pediatric Orthopaedics, Yongchuan Hospital, Chongqing Medical University, Chongqing, China
| | - Cheng Zheng
- Department of Sports Medicine, Research Center of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China Department of Orthopaedics, Hospital of Wuhan Sports University, Wuhan Sports University, Wuhan, China
| | - Zhanwen Wang
- Department of Sports Medicine, Research Center of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Daqi Xu
- Department of Sports Medicine, Research Center of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Jingyong Zhou
- Department of Sports Medicine, Research Center of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Tao Zhang
- Department of Sports Medicine, Research Center of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Ling Qin
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Jianzhong Hu
- Department of Sports Medicine, Research Center of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China Department of Spine Surgery, Research Center of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China
| |
Collapse
|
19
|
The safety and efficacy of combined autologous concentrated bone marrow grafting and low-intensity pulsed ultrasound in the treatment of osteonecrosis of the femoral head. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2016; 26:293-8. [DOI: 10.1007/s00590-016-1752-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Accepted: 02/09/2016] [Indexed: 11/26/2022]
|
20
|
Yamaguchi D, Takeuchi K, Furuta H, Miyamae S, Murakami H, Hattori M. Gene Expression in Response to Low-Intensity Pulsed Ultrasound Treatment of Bone Marrow Cells under Osteogenic Conditions In Vitro. J HARD TISSUE BIOL 2016. [DOI: 10.2485/jhtb.25.137] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Daisuke Yamaguchi
- Department of Gerodontology, School of Dentistry, Aichi Gakuin University
| | - Kazuo Takeuchi
- Department of Gerodontology, School of Dentistry, Aichi Gakuin University
- Division of Implant Dentistry, School of Dentistry, Aichi Gakuin University
| | - Hiroki Furuta
- Department of Gerodontology, School of Dentistry, Aichi Gakuin University
- Division of Implant Dentistry, School of Dentistry, Aichi Gakuin University
| | - Shin Miyamae
- Department of Gerodontology, School of Dentistry, Aichi Gakuin University
- Division of Implant Dentistry, School of Dentistry, Aichi Gakuin University
| | - Hiroshi Murakami
- Department of Gerodontology, School of Dentistry, Aichi Gakuin University
- Division of Implant Dentistry, School of Dentistry, Aichi Gakuin University
| | - Masami Hattori
- Department of Gerodontology, School of Dentistry, Aichi Gakuin University
- Division of Implant Dentistry, School of Dentistry, Aichi Gakuin University
| |
Collapse
|
21
|
Zhang Y, Yan M, Yu QF, Yang PF, Zhang HD, Sun YH, Zhang ZF, Gao YF. Puerarin Prevents LPS-Induced Osteoclast Formation and Bone Loss via Inhibition of Akt Activation. Biol Pharm Bull 2016; 39:2028-2035. [DOI: 10.1248/bpb.b16-00522] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Yun Zhang
- College of Medicine, Shaoxing University
| | - Ming Yan
- Department of Biomedical Engineering, College of Life Information Science and Instrument Engineering, Hangzhou Dianzi University
| | | | | | | | - Yong-hong Sun
- Zhejiang Provincial Key Laboratory of Cardio-Cerebral Vascular Detection Technology and Medicinal Effectiveness Appraisal, Department of Biomedical Engineering, Zhejiang University
| | | | | |
Collapse
|
22
|
Sasaki H, Monden K, Yoshinari M, Yajima Y. Comparison of Angiogenesis in Bone Defect Healing Process due to the Difference in the Frequency of Low-Intensity Pulsed Ultrasound (LIPUS). J HARD TISSUE BIOL 2016. [DOI: 10.2485/jhtb.25.157] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Hodaka Sasaki
- Department of Oral and Maxillofacial Implantology, Tokyo Dental College
- Oral Health Science Center, Tokyo Dental College
| | - Kazuya Monden
- Department of Oral and Maxillofacial Implantology, Tokyo Dental College
| | | | - Yasutomo Yajima
- Department of Oral and Maxillofacial Implantology, Tokyo Dental College
- Oral Health Science Center, Tokyo Dental College
| |
Collapse
|
23
|
Padilla F, Puts R, Vico L, Guignandon A, Raum K. Stimulation of Bone Repair with Ultrasound. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2016; 880:385-427. [PMID: 26486349 DOI: 10.1007/978-3-319-22536-4_21] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
This chapter reviews the different options available for the use of ultrasound in the enhancement of fracture healing or in the reactivation of a failed healing process: LIPUS, shock waves and ultrasound-mediated delivery of bioactive molecules, such as growth factors or plasmids. The main emphasis is on LIPUS, or Low Intensity Pulsed Ultrasound, the most widespread and studied technique. LIPUS has pronounced bioeffects on tissue regeneration, while employing intensities within a diagnostic range. The biological response to LIPUS is complex as the response of numerous cell types to this stimulus involves several pathways. Known to-date mechanotransduction pathways involved in cell responses include MAPK and other kinases signaling pathways, gap-junctional intercellular communication, up-regulation and clustering of integrins, involvement of the COX-2/PGE2 and iNOS/NO pathways, and activation of the ATI mechanoreceptor. Mechanisms at the origin of LIPUS biological effects remain intriguing, and analysis is hampered by the diversity of experimental systems used in-vitro. Data point to clear evidence that bioeffects can be modulated by direct and indirect mechanical effects, like acoustic radiation force, acoustic streaming, propagation of surface waves, heat, fluid-flow induced circulation and redistribution of nutrients, oxygen and signaling molecules. One of the future engineering challenge is therefore the design of dedicated experimental set-ups allowing control of these different mechanical phenomena, and to relate them to biological responses. Then, the derivation of an 'acoustic dose' and the cross-calibration of the different experimental systems will be possible. Despite this imperfect knowledge of LIPUS biophysics, the clinical evidence, although most often of low quality, speaks in favor of the clinical use of LIPUS, when the economics of nonunion and the absence of toxicity of this ultrasound technology are taken into account.
Collapse
Affiliation(s)
| | - Regina Puts
- Berlin-Brandenburg School for Regenerative Therapies, Charité - Universitätsmedizin Berlin, Föhrerstr. 15, 13353, Berlin, Germany
| | - Laurence Vico
- Inserm U1059 Lab Biologie intégrée du Tissu Osseux, Université de Saint-Etienne, St-Etienne, 42023, France
| | - Alain Guignandon
- Inserm U1059 Lab Biologie intégrée du Tissu Osseux, Université de Saint-Etienne, St-Etienne, 42023, France
| | - Kay Raum
- Berlin-Brandenburg School for Regenerative Therapies, Charité - Universitätsmedizin Berlin, Föhrerstr. 15, 13353, Berlin, Germany
| |
Collapse
|
24
|
Acar AH, Yolcu Ü, Altındiş S, Gül M, Alan H, Malkoç S. Bone regeneration by low-level laser therapy and low-intensity pulsed ultrasound therapy in the rabbit calvarium. Arch Oral Biol 2016; 61:60-5. [DOI: 10.1016/j.archoralbio.2015.10.011] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 09/17/2015] [Accepted: 10/11/2015] [Indexed: 10/22/2022]
|
25
|
Effects of low level laser therapy on inflammatory and angiogenic gene expression during the process of bone healing: A microarray analysis. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2016; 154:8-15. [DOI: 10.1016/j.jphotobiol.2015.10.028] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Revised: 09/18/2015] [Accepted: 10/11/2015] [Indexed: 12/13/2022]
|
26
|
Puts R, Ruschke K, Ambrosi TH, Kadow-Romacker A, Knaus P, Jenderka KV, Raum K. A Focused Low-Intensity Pulsed Ultrasound (FLIPUS) System for Cell Stimulation: Physical and Biological Proof of Principle. IEEE TRANSACTIONS ON ULTRASONICS, FERROELECTRICS, AND FREQUENCY CONTROL 2016; 63:91-100. [PMID: 26552085 DOI: 10.1109/tuffc.2015.2498042] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Quantitative ultrasound (QUS) is a promising technique for bone tissue evaluation. Highly focused transducers used for QUS also have the capability to be applied for tissue-regenerative purposes and can provide spatially limited deposition of acoustic energy. We describe a focused low-intensity pulsed ultrasound (FLIPUS) system, which has been developed for the stimulation of cell monolayers in the defocused far field of the transducer through the bottom of the well plate. Tissue culture well plates, carrying the cells, were incubated in a special chamber, immersed in a temperature-controlled water tank. A stimulation frequency of 3.6 MHz provided an optimal sound transmission through the polystyrene well plate. The ultrasound was pulsed for 20 min daily at 100-Hz repetition frequency with 27.8% duty cycle. The calibrated output intensity corresponded to I(SATA) = 44.5 ± 7.1 mW/cm2, which is comparable to the most frequently reported nominal output levels in LIPUS studies. No temperature change by the ultrasound exposure was observed in the well plate. The system was used to stimulate rat mesenchymal stem cells (rMSCs). The applied intensity had no apoptotic effect and enhanced the expression of osteogenic markers, i.e., osteopontin (OPN), collagen 1 (Col-1), the osteoblast-specific transcription factor-Runx-2 and E11 protein, an early osteocyte marker, in stimulated cells on day 5. The proposed FLIPUS setup opens new perspectives for the evaluation of the mechanistic effects of LIPUS.
Collapse
|
27
|
Akagi H, Nakanishi Y, Nakanishi K, Matsubara H, Hirose Y, Wang PL, Ochi M. Influence of Low-Intensity Pulsed Ultrasound Stimulation on Expression of Bone-Related Genes in Rat Bone Marrow Cells. J HARD TISSUE BIOL 2016. [DOI: 10.2485/jhtb.25.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
| | - Yasuhiro Nakanishi
- Division of Fixed Prosthodontics and Oral Implantology, Department of Oral Rehabilitation, School of Dentistry, Health Sciences University of Hokkaido
| | - Kazuyo Nakanishi
- Division of Fixed Prosthodontics and Oral Implantology, Department of Oral Rehabilitation, School of Dentistry, Health Sciences University of Hokkaido
| | - Hideki Matsubara
- Division of Fixed Prosthodontics and Oral Implantology, Department of Oral Rehabilitation, School of Dentistry, Health Sciences University of Hokkaido
| | - Yukito Hirose
- Division of Fixed Prosthodontics and Oral Implantology, Department of Oral Rehabilitation, School of Dentistry, Health Sciences University of Hokkaido
| | - Pao-Li Wang
- Department of Bacteriology, Osaka Dental University
| | - Morio Ochi
- Division of Fixed Prosthodontics and Oral Implantology, Department of Oral Rehabilitation, School of Dentistry, Health Sciences University of Hokkaido
| |
Collapse
|
28
|
Miyasaka M, Nakata H, Hao J, Kim YK, Kasugai S, Kuroda S. Low-Intensity Pulsed Ultrasound Stimulation Enhances Heat-Shock Protein 90 and Mineralized Nodule Formation in Mouse Calvaria-Derived Osteoblasts. Tissue Eng Part A 2015; 21:2829-39. [PMID: 26421522 DOI: 10.1089/ten.tea.2015.0234] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Low-intensity pulsed ultrasound (LIPUS) has demonstrated its positive effects on osteogenic differentiation of mesenchymal stem cells and the proliferation and differentiation of osteoblasts, negative effects on osteoclast growth, and promotion of angiogenesis, leading to improvement of the tissue perfusion. Heat-shock proteins (HSPs) are initially identified as molecules encouraged and expressed by heat stress or chemical stress to cells and involved in the balance between differentiation and apoptosis of osteoblasts. However, it remains unclear if the effect of LIPUS on osteoblast differentiation could involve HSP expression and contribution. In this study, mouse calvarial osteoblasts were exposed to LIPUS at a frequency of 3.0 MHz by 30 mW/cm(2) for 15 min or to 42°C heat shock for 20 min at day 3 of cell culture and examined for osteogenesis with pursuing induction of HSP27, HSP70, and HSP90. LIPUS as well as heat shock initially upregulated HSP90 and phosphorylation of Smad1 and Smad5, encouraging cell viability and proliferation at 24 h, enhancing mineralized nodule formation stronger by LIPUS after 10 days. However, HSP27, associated with BMP2-stimulated p38 mitogen-activated protein kinase during osteoblast differentiation, was downregulated by both stimulations at this early time point. Notably, these two stimuli maintained Smad1 phosphorylation with mineralized nodule formation even under BMP2 signal blockage. Therefore, LIPUS might be a novel inducer of osteoblastic differentiation through a noncanonical signal pathway. In conclusion, LIPUS stimulation enhanced cell viability and proliferation as early as 24 h after treatment, and HSP90 was upregulated, leading to dense mineralization in the osteoblast cell culture after 10 days.
Collapse
Affiliation(s)
- Munemitsu Miyasaka
- Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University , Tokyo, Japan
| | - Hidemi Nakata
- Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University , Tokyo, Japan
| | - Jia Hao
- Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University , Tokyo, Japan
| | - You-Kyoung Kim
- Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University , Tokyo, Japan
| | - Shohei Kasugai
- Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University , Tokyo, Japan
| | - Shinji Kuroda
- Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University , Tokyo, Japan
| |
Collapse
|
29
|
COMPARATIVE STUDY OF THE EFFECTS OF LOW-LEVEL LASER AND LOW-INTENSITY ULTRASOUND ASSOCIATED WITH BIOSILICATE(®) ON THE PROCESS OF BONE REPAIR IN THE RAT TIBIA. Rev Bras Ortop 2015; 47:102-7. [PMID: 27027088 PMCID: PMC4799344 DOI: 10.1016/s2255-4971(15)30352-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2011] [Accepted: 07/13/2011] [Indexed: 12/20/2022] Open
Abstract
Objective: Verify the effects of the association between Biosilicate® and ultrasound and, Biosilicate® and laser in bone consolidation process of rats, through the biomechanical and histological analysis. Methods: Forthy male rats were used. The animals were randomized into four groups (n=10): control group fracture no treated (CGF); group treated with Biosilicate® (BG); group treated with Biosilicate® and laser (BLG); group treated with Biosilicate® and ultrasound (BUG). Results: The biomechanical analysis showed no significant difference among any groups after 14 days post-surgery. In the morphometric analysis, the control group showed moderate presence of new formed bone tissue inside the defects areas and the Biosilicate® group showed similar results. Despite those facts, the biomaterial osteogenic potential was demonstrated by the great amount of cells and bone tissue around the particles. Curiously, the Biosilicate® plus laser or ultrasound groups showed lower amounts of bone tissue deposition when compared with control fracture and Biosilicate® groups. Conclusion: The data from this study can conclude that Biosilicate® was able to accelerate and optimized the bone consolidation, through the modulation of the inflammatory process and the stimulation of new bone formation. However, when resources were associated, there are no positive results.
Collapse
|
30
|
Povlsen SD, Povlsen B. Low-intensity pulsed ultrasound treatment as an alternative to vascular bone graft surgery for a 5-year-long ulnar non-union in a patient with haemochromatosis. BMJ Case Rep 2015; 2015:bcr-2015-211950. [PMID: 26531737 DOI: 10.1136/bcr-2015-211950] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
We present the case of a 75-year-old woman with haemochromatosis who developed a 5-year-long right ulnar non-union after a shortening osteotomy to correct a malunited Colles' fracture. Standard surgical treatment for ulnar non-unions was attempted on 19 March 2008 and again on 20 April 2009, but the non-union persisted on 8 May 2012, as confirmed by CT scan. Vascular bone grafting and refixation was then considered, but the patient declined this extensive operation, instead choosing to try non-invasive low-intensity pulsed ultrasound treatment with an Exogen device. Just 4 months later, complete union as confirmed by CT scan was achieved. This is the first case demonstrating the efficacy of ultrasound treatment for long-standing non-unions resistant to surgery in patients with haemochromatosis, a disorder where iron deposition can provide suboptimal circumstances for bone healing. Our finding suggests that low-intensity pulsed ultrasound devices could be used as a first-line treatment for stable non-unions instead of revision surgery.
Collapse
Affiliation(s)
| | - Bo Povlsen
- Faculty of Medicine, London Hand Clinic, London, UK
| |
Collapse
|
31
|
Xue H, Zheng J, Yuching Chou M, Zhou H, Duan Y. The effects of low-intensity pulsed ultrasound on the rate of orthodontic tooth movement. Semin Orthod 2015. [DOI: 10.1053/j.sodo.2015.06.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
|
32
|
Photobiomodulation and bone healing in diabetic rats: evaluation of bone response using a tibial defect experimental model. Lasers Med Sci 2015. [DOI: 10.1007/s10103-015-1789-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
|
33
|
Comparison of the Effects of Low-Level Laser Therapy and Ozone Therapy on Bone Healing. J Craniofac Surg 2015; 26:e396-400. [DOI: 10.1097/scs.0000000000001871] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
|
34
|
Chiu CY, Tsai TL, Vanderby R, Bradica G, Lou SL, Li WJ. Osteoblastogenesis of Mesenchymal Stem Cells in 3-D Culture Enhanced by Low-Intensity Pulsed Ultrasound through Soluble Receptor Activator of Nuclear Factor Kappa B Ligand. ULTRASOUND IN MEDICINE & BIOLOGY 2015; 41:1842-1852. [PMID: 25922132 DOI: 10.1016/j.ultrasmedbio.2015.03.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Revised: 02/12/2015] [Accepted: 03/11/2015] [Indexed: 06/04/2023]
Abstract
This study was performed to investigate osteoblastogenesis of human mesenchymal stem cells (hMSCs) cultured in 3-D scaffolds stimulated with low-intensity pulsed ultrasound and to identify the underlying mechanism mediated by soluble receptor activator of nuclear factor kappa B ligand (sRANKL) secreted by hMSCs. The results indicate that the mRNA levels of core-binding factor subunit alpha subunit 1 (CBFA1), osterix (OSX), alkaline phosphatase (ALP), osteocalcin and osteoprotegerin (OPG) and sRANKL production of hMSCs stimulated by ultrasound were significantly increased compared with the levels without ultrasound stimulation. Attenuating the sRANKL activity of ultrasound-treated hMSCs significantly reduced the mRNA expression of CBFA1, OSX, ALP and OPG. Adding sRANKL in hMSC culture significantly increased the mRNA expression of CBFA1, OSX and OPG. Together, the results suggest that osteoblastogenesis of hMSCs enhanced by ultrasound stimulation is mediated by endogenous sRANKL.
Collapse
Affiliation(s)
- Chun-Yi Chiu
- Department of Orthopedics and Rehabilitation, University of Wisconsin-Madison, Madison, Wisconsin, USA; Department of Biomedical Engineering, Chung Yuan Christian University, Chung-Li City, Tao-Yuan County, Taiwan
| | - Tsung-Lin Tsai
- Department of Orthopedics and Rehabilitation, University of Wisconsin-Madison, Madison, Wisconsin, USA; Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Ray Vanderby
- Department of Orthopedics and Rehabilitation, University of Wisconsin-Madison, Madison, Wisconsin, USA; Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Gino Bradica
- Orthopedic Development, Kensey Nash Corporation, Exton, Pennsylvania, USA
| | - Shyh-Liang Lou
- Department of Biomedical Engineering, Chung Yuan Christian University, Chung-Li City, Tao-Yuan County, Taiwan
| | - Wan-Ju Li
- Department of Orthopedics and Rehabilitation, University of Wisconsin-Madison, Madison, Wisconsin, USA; Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, Wisconsin, USA.
| |
Collapse
|
35
|
Huang W, Hasegawa T, Imai Y, Takeda D, Akashi M, Komori T. Low-intensity pulsed ultrasound enhances bone morphogenetic protein expression of human mandibular fracture haematoma-derived cells. Int J Oral Maxillofac Surg 2015; 44:929-35. [DOI: 10.1016/j.ijom.2015.03.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Revised: 02/16/2015] [Accepted: 03/02/2015] [Indexed: 01/28/2023]
|
36
|
Patel US, Ghorayeb SR, Yamashita Y, Atanda F, Walmsley AD, Scheven BA. Ultrasound field characterization and bioeffects in multiwell culture plates. J Ther Ultrasound 2015; 3:8. [PMID: 26146556 PMCID: PMC4490766 DOI: 10.1186/s40349-015-0028-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Accepted: 05/05/2015] [Indexed: 12/04/2022] Open
Abstract
Background Ultrasound with frequencies in the kilohertz range has been demonstrated to promote biological effects and has been suggested as a non-invasive tool for tissue healing and repair. However, many challenges exist to characterize and develop kilohertz ultrasound for therapy. In particular there is a limited evidence-based guidance and standard procedure in the literature concerning the methodology of exposing biological cells to ultrasound in vitro. Methods This study characterized a 45-kHz low-frequency ultrasound at three different preset intensity levels (10, 25, and 75 mW/cm2) and compared this with the thermal and biological effects seen in a 6-well culture setup using murine odontoblast-like cells (MDPC-23). Ultrasound was produced from a commercially available ultrasound-therapy system, and measurements were recorded using a needle hydrophone in a water tank. The transducer was displaced horizontally and vertically from the hydrophone to plot the lateral spread of ultrasound energy. Calculations were performed using Fourier transform and average intensity plotted against distance from the transducer. During ultrasound treatment, cell cultures were directly exposed to ultrasound by submerging the ultrasound transducer into the culture media. Four groups of cell culture samples were treated with ultrasound. Three with ultrasound at an intensity level of 10, 25, and 75 mW/cm2, respectively, and the final group underwent a sham treatment with no ultrasound. Cell proliferation and viability were analyzed from each group 8 days after three ultrasound treatments, each separated by 48 h. Results The ultrasonic output demonstrated considerable lateral spread of the ultrasound field from the exposed well toward the adjacent culture wells in the multiwell culture plate; this correlated well with the dose-dependent increase in the number of cultured cells where significant biological effects were also seen in adjacent untreated wells. Significant thermal variations were not detected in adjacent untreated wells. Conclusions This study highlights the pitfalls of using multiwell plates when investigating the biological effect of kilohertz low-frequency ultrasound on adherent cell cultures.
Collapse
Affiliation(s)
- Upen S Patel
- School of Dentistry, College of Medical and Dental Sciences, University of Birmingham, St Chad's Queensway, Birmingham, B4 6NN UK
| | - Sleiman R Ghorayeb
- School of Engineering and Applied Sciences, Ultrasound Research Laboratory, Hofstra University, Hempstead, NY USA ; Immunology and Inflammation-FIMR, North Shore Hospital, Manhasset, NY USA
| | - Yuki Yamashita
- School of Engineering and Applied Sciences, Ultrasound Research Laboratory, Hofstra University, Hempstead, NY USA
| | - Folorunsho Atanda
- School of Engineering and Applied Sciences, Ultrasound Research Laboratory, Hofstra University, Hempstead, NY USA
| | - A Damien Walmsley
- School of Dentistry, College of Medical and Dental Sciences, University of Birmingham, St Chad's Queensway, Birmingham, B4 6NN UK
| | - Ben A Scheven
- School of Dentistry, College of Medical and Dental Sciences, University of Birmingham, St Chad's Queensway, Birmingham, B4 6NN UK
| |
Collapse
|
37
|
Effect of Low-Intensity Ultrasound on Mortality of PC12 Induced by Amyloid β25–35. J Med Biol Eng 2015. [DOI: 10.1007/s40846-015-0042-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
38
|
Jung YJ, Kim R, Ham HJ, Park SI, Lee MY, Kim J, Hwang J, Park MS, Yoo SS, Maeng LS, Chang W, Chung YA. Focused low-intensity pulsed ultrasound enhances bone regeneration in rat calvarial bone defect through enhancement of cell proliferation. ULTRASOUND IN MEDICINE & BIOLOGY 2015; 41:999-1007. [PMID: 25701528 DOI: 10.1016/j.ultrasmedbio.2014.11.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2014] [Revised: 09/25/2014] [Accepted: 11/11/2014] [Indexed: 06/04/2023]
Abstract
A number of studies have reported the therapeutic potential of low-intensity pulsed ultrasound (LIPUS) for induction of bone repair. This study investigated whether bone regeneration might be enhanced by application of focused LIPUS to selectively stimulate fractured calvarial bone. To accomplish this, bone defects were surgically created in the middle of the skull of rats that were subsequently exposed to focused LIPUS. Bone regeneration was assessed by repeated computed tomography imaging after the operation, as well as histologic analysis with calcein, hematoxylin and eosin and proliferating cell nuclear antigen assay. At 6 wk after surgery, bone formation in the focused LIPUS-treated group improved significantly relative to the control. Interestingly, new bone tissue sprouted from focused LIPUS target points. Histologic analysis after exposure to focused LIPUS revealed that proliferating cells were significantly increased relative to the control. Taken together, these results suggest that focused LIPUS can improve re-ossification through enhancement of cell proliferation in calvarial defect sites.
Collapse
Affiliation(s)
- Yu Jin Jung
- Institute of Catholic Integrative Medicine, Incheon St. Mary's Hospital, College of Medicine, Catholic University of Korea, Incheon, Republic of Korea
| | - Ran Kim
- Department of Biology Education, College of Education, Pusan National University, Busan, Republic of Korea
| | - Hyun-Joo Ham
- Institute of Catholic Integrative Medicine, Incheon St. Mary's Hospital, College of Medicine, Catholic University of Korea, Incheon, Republic of Korea
| | - Sang In Park
- Institute of Catholic Integrative Medicine, Incheon St. Mary's Hospital, College of Medicine, Catholic University of Korea, Incheon, Republic of Korea
| | - Min Young Lee
- Department of Molecular Physiology, College of Pharmacy, Kyungpook National University, Daegu, Republic of Korea
| | - Jongmin Kim
- Department of Life Systems, Sookmyung Women's University, Yongsan-gu Seoul, Republic of Korea
| | - Jihwan Hwang
- Department of Microbiology, College of Natural Science, Pusan National University, Busan, Republic of Korea
| | - Moon-Seo Park
- Institute of Catholic Integrative Medicine, Incheon St. Mary's Hospital, College of Medicine, Catholic University of Korea, Incheon, Republic of Korea
| | - Seung-Schik Yoo
- Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Lee-So Maeng
- Institute of Catholic Integrative Medicine, Incheon St. Mary's Hospital, College of Medicine, Catholic University of Korea, Incheon, Republic of Korea
| | - Woochul Chang
- Department of Biology Education, College of Education, Pusan National University, Busan, Republic of Korea.
| | - Yong-An Chung
- Institute of Catholic Integrative Medicine, Incheon St. Mary's Hospital, College of Medicine, Catholic University of Korea, Incheon, Republic of Korea.
| |
Collapse
|
39
|
Maeda S, Tsuda E, Mizukami H, Yamamoto Y, Inaba W, Sasaki N, Ishibashi Y. Histological evaluation of low-intensity pulsed ultrasound on osteochondritis dissecans of the humeral capitellum. ASIA-PACIFIC JOURNAL OF SPORT MEDICINE ARTHROSCOPY REHABILITATION AND TECHNOLOGY 2015; 2:56-62. [PMID: 29264241 PMCID: PMC5730637 DOI: 10.1016/j.asmart.2014.12.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2014] [Revised: 11/26/2014] [Accepted: 12/17/2014] [Indexed: 11/25/2022]
Abstract
Background The clinical use of low-intensity pulsed ultrasound (LIPUS) was recently evaluated in cases of osteochondritis dissecans of the humeral capitellum (elbow OCD). However, the mechanism underlying the effect of LIPUS in elbow OCD is not well understood. The aim of this study was to histopathologically evaluate the effect of LIPUS irradiation on elbow OCD. Methods Fifteen patients with elbow OCD were enrolled in this study. All patients were juvenile baseball players (average age, 13.1 years). LIPUS was performed under the same conditions as the fracture treatment for an average length of 15.1 days in the preoperative period in seven patients (LIPUS group). Cylindrical tissue specimens obtained at the time of surgery were stained with hematoxylin and eosin and alcian blue, and were also immunostained to detect type 1 collagen (Col-1), osteopontin (OPN), and Runx2. The state of the cartilage and subchondral bone and expression levels of Col-1, OPN, and Runx2 were evaluated with a semiquantitative grading system by a blinded pathologist. Histological and immunohistological findings in both groups were compared using Fisher's exact test. Results Both groups showed reparative tissue and cartilaginous metaplasia at the separation level near the subchondral bone; Col-1 was expressed in the reparative tissue. Furthermore, OPN and Runx2 were expressed in the interstitial cells near the separation level. The cartilage and subchondral bone findings in histological evaluations did not differ significantly between the LIPUS and control groups. The distribution of OPN expression levels in the two groups was as follows: Grade 0-LIPUS group, zero patients, and control group, five patients; Grade 1-LIPUS group and control group, two patients each; Grade 2-LIPUS group, five patients and control group, one patient; Grade 3-LIPUS group, one patient and control group, zero patients. OPN expression was significantly higher in the LIPUS group than in the control group (p = 0.04). Conclusion LIPUS stimulation increased the expression levels of OPN in elbow OCD.
Collapse
Affiliation(s)
- Shugo Maeda
- Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Eiichi Tsuda
- Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Hiroki Mizukami
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Yuji Yamamoto
- Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Wataru Inaba
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Norihiro Sasaki
- Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Yasuyuki Ishibashi
- Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| |
Collapse
|
40
|
Monden K, Sasaki H, Yoshinari M, Yajima Y. Effect of Low-intensity Pulsed Ultrasound (LIPUS) with Different Frequency on Bone Defect Healing. J HARD TISSUE BIOL 2015. [DOI: 10.2485/jhtb.24.189] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Kazuya Monden
- Division of Oral Implants Research, Oral Health Science Center, Tokyo Dental College
- Department of Oral and Maxillofacial Implantology, Tokyo Dental College
| | - Hodaka Sasaki
- Division of Oral Implants Research, Oral Health Science Center, Tokyo Dental College
- Department of Oral and Maxillofacial Implantology, Tokyo Dental College
| | - Masao Yoshinari
- Division of Oral Implants Research, Oral Health Science Center, Tokyo Dental College
| | - Yasutomo Yajima
- Division of Oral Implants Research, Oral Health Science Center, Tokyo Dental College
- Department of Oral and Maxillofacial Implantology, Tokyo Dental College
| |
Collapse
|
41
|
Andrade I, Sousa ABDS, da Silva GG. New therapeutic modalities to modulate orthodontic tooth movement. Dental Press J Orthod 2014; 19:123-33. [PMID: 25628089 PMCID: PMC4347420 DOI: 10.1590/2176-9451.19.6.123-133.sar] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Accepted: 10/14/2014] [Indexed: 12/27/2022] Open
Abstract
Modulation of orthodontic tooth movement (OTM) is desirable not only to patients because it shortens treatment time, but also to orthodontists, since treatment duration is associated with increased risk of gingival inflammation, decalcification, dental caries, and root resorption. The increased focus on the biological basis of tooth movement has rendered Orthodontics a more comprehensive specialty that incorporates facets of all fields of medicine. Current knowledge raises the possibility of using new therapeutic modalities for modulation of OTM, such as corticotomy, laser therapy, vibration (low-intensity pulsed ultrasound), local injections of biomodulators and gene therapy; with the latter being applicable in the near future. They are intended to enhance or inhibit recruitment, differentiation and/or activation of bone cells, accelerate or reduce OTM, increase stability of orthodontic results, as well as assist with the prevention of root resorption. This article summarizes recent studies on each one of these therapeutic modalities, provides readers with information about how they affect OTM and points out future clinical perspectives.
Collapse
Affiliation(s)
- Ildeu Andrade
- School of Dentistry, Catholic University of Minas Gerais
| | | | | |
Collapse
|
42
|
Liu Y, Wei X, Kuang Y, Zheng Y, Gu X, Zhan H, Shi Y. Ultrasound treatment for accelerating fracture healing of the distal radius. A control study. Acta Cir Bras 2014; 29:765-70. [DOI: 10.1590/s0102-86502014001800012] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Accepted: 09/22/2014] [Indexed: 11/22/2022] Open
|
43
|
Combined use of low-intensity pulsed ultrasound and rhBMP-2 to enhance bone formation in a rat model of critical size defect. J Orthop Trauma 2014; 28:605-11. [PMID: 24464096 PMCID: PMC4108582 DOI: 10.1097/bot.0000000000000067] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
BACKGROUND Bone repair is regulated by biological factors and the local mechanical environment. We hypothesize that the combined use of low-intensity pulsed ultrasound (LIPUS) and recombinant human bone morphogenetic protein-2 (rhBMP-2) will synergistically or additively enhance bone regeneration in a model simulating the more difficult scenarios in orthopaedic traumatology. METHODS Femoral defects in rats were replaced with absorbable collagen sponges carrying rhBMP-2 (0, 1.2, 6, or 12 μg; n = 30). Each group was divided equally to receive daily treatment of either LIPUS or sham stimulation. At 4 weeks, new bone formation was assessed using quantitative (radiography and microcomputed tomography), qualitative (histology), and functional (biomechanical) end points. RESULTS LIPUS with 1.2 μg of rhBMP-2 significantly improved the radiographic healing as compared with its sham control starting as early as 2 weeks. Quantitatively, the use of LIPUS with 6 μg of rhBMP-2 significantly increased the bone volume. However, using LIPUS with 12 μg of rhBMP-2 indicated a reduction in callus size, without compromising the bone volume, which was also observable histologically, showing organized lamellar bone and repopulated marrow in the original defect region. Histologically, 1.2 μg of rhBMP-2 alone showed the presence of uncalcified cartilage in the defect, which was reduced with LIPUS treatment. Biomechanically, LIPUS treatment significantly increased the peak torsion and stiffness in the 6- and 12 μg rhBMP-2 groups. CONCLUSIONS LIPUS enhances rhBMP-2-induced bone formation at lower doses (1.2 and 6 μg) and callus maturation at 12-μg dose delivered on absorbable collagen sponge for bone repair in a rat critical-sized femoral segmental defect.
Collapse
|
44
|
Padilla F, Puts R, Vico L, Raum K. Stimulation of bone repair with ultrasound: a review of the possible mechanic effects. ULTRASONICS 2014; 54:1125-45. [PMID: 24507669 DOI: 10.1016/j.ultras.2014.01.004] [Citation(s) in RCA: 136] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2013] [Revised: 12/20/2013] [Accepted: 01/07/2014] [Indexed: 05/15/2023]
Abstract
In vivo and in vitro studies have demonstrated the positive role that ultrasound can play in the enhancement of fracture healing or in the reactivation of a failed healing process. We review the several options available for the use of ultrasound in this context, either to induce a direct physical effect (LIPUS, shock waves), to deliver bioactive molecules such as growth factors, or to transfect cells with osteogenic plasmids; with a main focus on LIPUS (or Low Intensity Pulsed Ultrasound) as it is the most widespread and studied technique. The biological response to LIPUS is complex as numerous cell types respond to this stimulus involving several pathways. Known to-date mechanotransduction pathways involved in cell responses include MAPK and other kinases signaling pathways, gap-junctional intercellular communication, up-regulation and clustering of integrins, involvement of the COX-2/PGE2, iNOS/NO pathways and activation of ATI mechanoreceptor. The mechanisms by which ultrasound can trigger these effects remain intriguing. Possible mechanisms include direct and indirect mechanical effects like acoustic radiation force, acoustic streaming, and propagation of surface waves, fluid-flow induced circulation and redistribution of nutrients, oxygen and signaling molecules. Effects caused by the transformation of acoustic wave energy into heat can usually be neglected, but heating of the transducer may have a potential impact on the stimulation in some in-vitro systems, depending on the coupling conditions. Cavitation cannot occur at the pressure levels delivered by LIPUS. In-vitro studies, although not appropriate to identify the overall biological effects, are of great interest to study specific mechanisms of action. The diversity of current experimental set-ups however renders this analysis very complex, as phenomena such as transducer heating, inhomogeneities of the sound intensity in the near field, resonances in the transmission and reflection through the culture dish walls and the formation of standing waves will greatly affect the local type and amplitude of the stimulus exerted on the cells. A future engineering challenge is therefore the design of dedicated experimental set-ups, in which the different mechanical phenomena induced by ultrasound can be controlled. This is a prerequisite to evaluate the biological effects of the different phenomena with respect to particular parameters, like intensity, frequency, or duty cycle. By relating the variations of these parameters to the induced physical effects and to the biological responses, it will become possible to derive an 'acoustic dose' and propose a quantification and cross-calibration of the different experimental systems. Improvements in bone healing management will probably also come from a combination of ultrasound with a 'biologic' components, e.g. growth factors, scaffolds, gene therapies, or drug delivery vehicles, the effects of which being potentiated by the ultrasound.
Collapse
Affiliation(s)
- Frédéric Padilla
- Inserm, U1032, LabTau, Lyon F-69003, France; Université de Lyon, Lyon F-69003, France.
| | - Regina Puts
- Julius Wolff Institut & Berlin-Brandenburg School for Regenerative Therapies, Charité - Universitätsmedizin Berlin, Germany
| | - Laurence Vico
- Inserm U1059 Lab Biologie intégrée du Tissu Osseux, Université de Lyon, St-Etienne F-42023, France
| | - Kay Raum
- Julius Wolff Institut & Berlin-Brandenburg School for Regenerative Therapies, Charité - Universitätsmedizin Berlin, Germany
| |
Collapse
|
45
|
Yang Z, Ren L, Deng F, Wang Z, Song J. Low-intensity pulsed ultrasound induces osteogenic differentiation of human periodontal ligament cells through activation of bone morphogenetic protein-smad signaling. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2014; 33:865-873. [PMID: 24764342 DOI: 10.7863/ultra.33.5.865] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
OBJECTIVES Low-intensity pulsed ultrasound (US) can accelerate fracture healing and osteogenic differentiation. The aim of this study was to investigate the osteogenic effect of low-intensity pulsed US on human periodontal ligament cells and to determine whether bone morphogenetic protein (BMP)-Smad signaling was involved. METHODS Human periodontal ligament cells were exposed to low-intensity pulsed US at a frequency of 1.5 MHz and intensity of 90 mW/cm(2) for 20 min/d. Osteogenic differentiation was determined by assaying alkaline phosphatase (ALP) and calcium deposition. Expression of BMP-2, BMP-6, and BMP-9 was detected by real-time polymerase chain reaction analysis. Phosphorylated Smad was detected by western blotting; Smad in the cells was labeled by an immunofluorescent antibody and observed by laser-scanning confocal microscopy. RESULTS The optical density of ALP stimulated by US at 1.5 MHz and 90 mW/cm(2) for 20 min/d was significantly higher than in other groups (P < .01); therefore, this dosage was considered optimal for promoting osteogenic differentiation. After 13 days of US exposure, ALP increased gradually after 5 days, peaked at 11 days, and decreased at 13 days, with a significant difference compared with the control group (P < .05). Osteocalcin production increased from 9 to 13 days and peaked at 15 days, with a significant difference compared with the control group (P < .05). BMP-2 and BMP-6 increased dynamically after exposure for 13 days. BMP-2 increased 6.07-fold at 3 days, 6.39-fold at 11 days, and 5.97-fold at 13 days. BMP-6 expression increased 6.82-fold at 1 day and 51.5-fold at 3 days and decreased thereafter. BMP-9 was not expressed. Phospho-Smad1/5/8 expression was significantly increased after exposure (P< .05) and transferred from the cytoplasm into the nuclei. CONCLUSIONS Low-intensity pulsed US effectively induced osteogenic differentiation of human periodontal ligament cells, and the BMP-Smad signaling pathway was involved in the mechanism.
Collapse
Affiliation(s)
- Zun Yang
- Affiliated Hospital of Stomatology, Chongqing Medical University, 426 Songshi North St, Yubei District, 401147 Chongqing, China.
| | | | | | | | | |
Collapse
|
46
|
Kusuyama J, Bandow K, Shamoto M, Kakimoto K, Ohnishi T, Matsuguchi T. Low intensity pulsed ultrasound (LIPUS) influences the multilineage differentiation of mesenchymal stem and progenitor cell lines through ROCK-Cot/Tpl2-MEK-ERK signaling pathway. J Biol Chem 2014; 289:10330-10344. [PMID: 24550383 DOI: 10.1074/jbc.m113.546382] [Citation(s) in RCA: 102] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Mesenchymal stem cells (MSCs) are pluripotent cells that can differentiate into multilineage cell types, including adipocytes and osteoblasts. Mechanical stimulus is one of the crucial factors in regulating MSC differentiation. However, it remains unknown how mechanical stimulus affects the balance between adipogenesis and osteogenesis. Low intensity pulsed ultrasound (LIPUS) therapy is a clinical application of mechanical stimulus and facilitates bone fracture healing. Here, we applied LIPUS to adipogenic progenitor cell and MSC lines to analyze how multilineage cell differentiation was affected. We found that LIPUS suppressed adipogenic differentiation of both cell types, represented by impaired lipid droplet appearance and decreased gene expression of peroxisome proliferator-activated receptor γ2 (Pparg2) and fatty acid-binding protein 4 (Fabp4). LIPUS also down-regulated the phosphorylation level of peroxisome proliferator-activated receptor γ2 protein, inhibiting its transcriptional activity. In contrast, LIPUS promoted osteogenic differentiation of the MSC line, characterized by increased cell calcification as well as inductions of runt-related transcription factor 2 (Runx2) and Osteocalcin mRNAs. LIPUS induced phosphorylation of cancer Osaka thyroid oncogene/tumor progression locus 2 (Cot/Tpl2) kinase, which was essential for the phosphorylation of mitogen-activated kinase kinase 1 (MEK1) and p44/p42 extracellular signal-regulated kinases (ERKs). Notably, effects of LIPUS on both adipogenesis and osteogenesis were prevented by a Cot/Tpl2-specific inhibitor. Furthermore, effects of LIPUS on MSC differentiation as well as Cot/Tpl2 phosphorylation were attenuated by the inhibition of Rho-associated kinase. Taken together, these results indicate that mechanical stimulus with LIPUS suppresses adipogenesis and promotes osteogenesis of MSCs through Rho-associated kinase-Cot/Tpl2-MEK-ERK signaling pathway.
Collapse
Affiliation(s)
- Joji Kusuyama
- Department of Biochemistry and Molecular Dentistry, Field of Developmental Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima 890-8544, Japan
| | - Kenjiro Bandow
- Department of Biochemistry and Molecular Dentistry, Field of Developmental Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima 890-8544, Japan
| | - Mitsuo Shamoto
- Department of Biochemistry and Molecular Dentistry, Field of Developmental Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima 890-8544, Japan
| | - Kyoko Kakimoto
- Department of Biochemistry and Molecular Dentistry, Field of Developmental Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima 890-8544, Japan
| | - Tomokazu Ohnishi
- Department of Biochemistry and Molecular Dentistry, Field of Developmental Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima 890-8544, Japan
| | - Tetsuya Matsuguchi
- Department of Biochemistry and Molecular Dentistry, Field of Developmental Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima 890-8544, Japan.
| |
Collapse
|
47
|
Sugaya H, Mishima H, Aoto K, Li M, Shimizu Y, Yoshioka T, Sakai S, Akaogi H, Ochiai N, Yamazaki M. Percutaneous autologous concentrated bone marrow grafting in the treatment for nonunion. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2013; 24:671-8. [PMID: 24275891 DOI: 10.1007/s00590-013-1369-9] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2013] [Accepted: 11/10/2013] [Indexed: 11/24/2022]
Abstract
The purpose of this study was to evaluate the clinical and radiographic treatment effects of percutaneous autologous concentrated bone marrow grafting in nonunion cases and to evaluate the effectiveness of this grafting procedure. We enrolled 17 cases those had atrophic changes due to continuous nonunion for over 9 months after injury and had undergone low-intensity pulsed ultrasound treatment for more than 3 months. The site of nonunion was the femur in 10 cases, the tibia in 5 cases, the humerus in 1 case, and the ulna in 1 case. They underwent percutaneous autologous concentrated bone marrow grafting and continued low-intensity pulsed ultrasound stimulation treatment after grafting. Patients were evaluated using the visual analogue scale for pain at immediately before the procedure, 3, 6, and 12 months after grafting. Plain radiographs of the affected site were taken and evaluated about the healing of the nonunion site at each clinical evaluation. As quantitative assessment, CT scans were undertaken before the procedure and 6 months after grafting. The visual analogue scale pain score was reduced consistently after grafting in all patients. About the healing at the nonunion site, 11 and 13 cases of bone union were observed at 6 and 12 months after grafting. The mean volume of callus formation based on CT images was 4,147 (262-27,392) mm3 total between grafting and 6 months. Percutaneous autologous concentrated bone marrow grafting is an effective procedure for the treatment of patients with nonunion.
Collapse
Affiliation(s)
- Hisashi Sugaya
- Department of Orthopaedic Surgery, Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | | | | | | | | | | | | | | | | | | |
Collapse
|
48
|
Yue Y, Yang X, Wei X, Chen J, Fu N, Fu Y, Ba K, Li G, Yao Y, Liang C, Zhang J, Cai X, Wang M. Osteogenic differentiation of adipose-derived stem cells prompted by low-intensity pulsed ultrasound. Cell Prolif 2013; 46:320-7. [PMID: 23692090 DOI: 10.1111/cpr.12035] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2012] [Accepted: 02/06/2013] [Indexed: 02/05/2023] Open
Abstract
OBJECTIVES Based on in vivo studies, low-intensity pulsed ultrasound (LIPUS) stimulation has been widely used in the clinic for advancing bone growth during healing of non-union alignment, fractures and other osseous defects. In this study, we have investigated osteogenic differentiation of adipose stem cells (ASCs) regulated by LIPUS, and also in a preliminarily manner, we have discussed diverse effects of different duty ratio parameters. MATERIALS AND METHODS Mouse adipose stem cells were isolated and osteogenically induced. Then they were treated with LIPUS for 10 min/day for 3 days, 5 days and 7 days, respectively. Finally, effects of LIPUS on osteogenic differentiation of the ASCs were analysed by real-time PCR, western blotting and immunofluorescence. RESULTS Our data indicated that LIPUS promoted mRNA levels of runt-related transcription factor 2, osteopontin and osterix in the presence of osteo-induction medium; moreover, protein levels of runt-related transcription factor 2 and osteopontin were upregulated. CONCLUSIONS We successfully demonstrated that LIPUS enhanced osteogenesis of ASCs, specially at the duty ratio of 20%.
Collapse
Affiliation(s)
- Y Yue
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
49
|
Low-intensity pulsed ultrasound accelerates tooth movement via activation of the BMP-2 signaling pathway. PLoS One 2013; 8:e68926. [PMID: 23894376 PMCID: PMC3720872 DOI: 10.1371/journal.pone.0068926] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2013] [Accepted: 06/03/2013] [Indexed: 12/16/2022] Open
Abstract
The present study was designed to determine the underlying mechanism of low-intensity pulsed ultrasound (LIPUS) induced alveolar bone remodeling and the role of BMP-2 expression in a rat orthodontic tooth movement model. Orthodontic appliances were placed between the homonymy upper first molars and the upper central incisors in rats under general anesthesia, followed by daily 20-min LIPUS or sham LIPUS treatment beginning at day 0. Tooth movement distances and molecular changes were evaluated at each observation point. In vitro and in vivo studies were conducted to detect HGF (Hepatocyte growth factor)/Runx2/BMP-2 signaling pathways and receptor activator of NFκB ligand (RANKL) expression by quantitative real time PCR (qRT-PCR), Western blot and immunohistochemistry. At day 3, LIPUS had no effect on the rat orthodontic tooth movement distance and BMP-2-induced alveolar bone remodeling. However, beginning at day 5 and for the following time points, LIPUS significantly increased orthodontic tooth movement distance and BMP-2 signaling pathway and RANKL expression compared with the control group. The qRT-PCR and Western blot data in vitro and in vivo to study BMP-2 expression were consistent with the immunohistochemistry observations. The present study demonstrates that LIPUS promotes alveolar bone remodeling by stimulating the HGF/Runx2/BMP-2 signaling pathway and RANKL expression in a rat orthodontic tooth movement model, and LIPUS increased BMP-2 expression via Runx2 regulation.
Collapse
|
50
|
Louw TM, Budhiraja G, Viljoen HJ, Subramanian A. Mechanotransduction of ultrasound is frequency dependent below the cavitation threshold. ULTRASOUND IN MEDICINE & BIOLOGY 2013; 39:1303-19. [PMID: 23562015 PMCID: PMC4183372 DOI: 10.1016/j.ultrasmedbio.2013.01.015] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2012] [Revised: 01/18/2013] [Accepted: 01/27/2013] [Indexed: 05/11/2023]
Abstract
This study provides evidence that low-intensity ultrasound directly affects nuclear processes, and the magnitude of the effect varies with frequency. In particular, we show that the transcriptional induction of first load-inducible genes, which is independent of new protein synthesis, is frequency dependent. Bovine chondrocytes were exposed to low-intensity (below the cavitational threshold) ultrasound at 2, 5 and 8 MHz. Ultrasound elevated the expression of early response genes c-Fos, c-Jun and c-Myc, maximized at 5 MHz. The phosphorylated ERK inhibitor PD98059 abrogated any increase in c-series gene expression, suggesting that signaling occurs via the MAPPK/ERK pathway. However, phosphorylated ERK levels did not change with ultrasound frequency, indicating that processes downstream of ERK phosphorylation (such as nuclear transport and chromatin reorganization) respond to ultrasound with frequency dependence. A quantitative, biphasic mathematical model based on Biot theory predicted that cytoplasmic and nuclear stress is maximized at 5.2 ± 0.8 MHz for a chondrocyte, confirming experimental measurements.
Collapse
Affiliation(s)
- Tobias M Louw
- Department of Chemical & Biomolecular Engineering, University of Nebraska-Lincoln, Lincoln, NE, USA
| | | | | | | |
Collapse
|