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Yadav P, Vats R, Bano A, Namdev R, Bhardwaj R. Ameliorative potential of stem cells from human exfoliated deciduous teeth (SHED) in preclinical studies: A meta-analysis. Regen Ther 2023; 24:117-134. [PMID: 37441223 PMCID: PMC10333108 DOI: 10.1016/j.reth.2023.06.004] [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: 02/24/2023] [Revised: 05/27/2023] [Accepted: 06/07/2023] [Indexed: 07/15/2023] Open
Abstract
The preclinical and clinical role of mesenchymal stem cells from various adult sources is extensively investigated and established in regenerative medicine. However, the comprehensive exploration of the therapeutic potential of Stem cells from human exfoliated deciduous teeth (SHED) is inadequate. Therefore, we performed a systematic meta-analysis of preclinical animal model studies in several diseases to provide insight into SHED's efficacy and therapeutic potential. Two blinded and independent investigators searched the available online databases and scrutinized the included studies. Meta-analysis was performed to evaluate the pooled effect estimate of intervention of SHED by Review Manager 5.4.1. To investigate the therapeutic efficacy of SHED intervention, we also analyzed the test of heterogeneity (I2), overall effect (Z), sensitivity, and publication bias. Among the 2156 scrutinized studies, 40 were included and evaluated as per inclusion and exclusion criteria. The intervention of SHED and its derivatives in several diseases depicted statistically significant therapeutic effects in periodontitis, pulpitis, spinal cord injury, parkinson's disease, alzheimer's disease, focal cerebral ischemia, peripheral nerve injury, and retinal pigmentosa. SHED also improved levels of alanine aminotransferase, aspartate aminotransferase, and bilirubin in liver fibrosis . In autoimmune diseases also, values were significant. SHED also showed a statistically significant reduction of wound healing area and new bone formation in bone defects. The pooled effect estimates of included preclinical studies demonstrated a statistically significant therapeutic effect of SHED in numerous diseases. Based on our data, it is suggested that the potential of SHED may be implemented in clinical trials after conducting a few more preclinical studies.
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Affiliation(s)
- Pooja Yadav
- Stem Cell Biology Laboratory, Centre for Medical Biotechnology, Maharshi Dayanand University Rohtak, 124001, India
| | - Ravina Vats
- Stem Cell Biology Laboratory, Centre for Medical Biotechnology, Maharshi Dayanand University Rohtak, 124001, India
| | - Afsareen Bano
- Stem Cell Biology Laboratory, Centre for Medical Biotechnology, Maharshi Dayanand University Rohtak, 124001, India
| | - Ritu Namdev
- Dept. of Pediatric Dentistry, Post Graduate Institute of Dental Sciences, Rohtak, 124001, India
| | - Rashmi Bhardwaj
- Stem Cell Biology Laboratory, Centre for Medical Biotechnology, Maharshi Dayanand University Rohtak, 124001, India
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Asuku M, Shupp JW. Burn wound conversion: clinical implications for the treatment of severe burns. J Wound Care 2023; 32:S11-S20. [PMID: 37121662 DOI: 10.12968/jowc.2023.32.sup5.s11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
The identification of novel treatments for severe burn wounds relies on accurate clinical assessments of the extent of injury. However, evaluation of burn wound depth can be challenging due to the tendency for burn wounds to progress over time in a little-understood process known as 'burn wound conversion'. Local factors affecting the burn wound, such as inflammation, oxidative stress-induced tissue damage, vasostasis and bacterial infections, lead to increased cell death by apoptosis or oncosis, while systemic events may promote burn wound conversion. Acute shock, metabolic derangements, age or immunomodulation can modify cytokine secretion, lower immune responses, decrease blood flow or cause bacterial infection at the burn wound site. Therefore, therapeutic approaches targeting specific mechanisms that reduce cell death, improve wound reperfusion and promote tissue regrowth should favourably enhance burn wound healing, and long-term functional and aesthetic outcomes. Our current understanding of these mechanisms mostly comes from animal studies, underscoring the need for extensive research in humans. A streamlined approach would be to investigate the parallels in other disease states that exhibit ischaemia and potential reperfusion, such as ischaemic stroke and myocardial infarction. Moreover, in view of the limited knowledge available on the subject, the need exists for further clinical research into burn wound conversion and novel target pathways to ameliorate its effects. This review describes events that affect the viability of cells at the burn wound site resulting in burn wound conversion, and identifies potential targets for clinical interventions that may diminish burn wound conversion.
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Affiliation(s)
| | - Jeffrey W Shupp
- Department of Surgery, Biochemistry and Molecular & Cellular Biology, Georgetown University School of Medicine, MedStar Washington Hospital Center, Washington, DC, US
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Surowiecka A, Chrapusta A, Klimeczek-Chrapusta M, Korzeniowski T, Drukała J, Strużyna J. Mesenchymal Stem Cells in Burn Wound Management. Int J Mol Sci 2022; 23:ijms232315339. [PMID: 36499664 PMCID: PMC9737138 DOI: 10.3390/ijms232315339] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/18/2022] [Accepted: 11/24/2022] [Indexed: 12/09/2022] Open
Abstract
Mesenchymal stem cells have a known regenerative potential and are used in many indications. They secrete many growth factors, including for fibroblasts (FGF), endothelium (VEGF), as well as 14 anti-inflammatory cytokines, and they stimulate tissue regeneration, promoting the secretion of proteins and glycosaminoglycans of extracellular matrices, such as collagen I, II, III, and V, elastin, and also metalloproteinases. They secrete exosomes that contain proteins, nucleic acids, lipids, and enzymes. In addition, they show the activity of inactivating free radicals. The aim of this study was an attempt to collect the existing literature on the use of stem cells in the treatment of a burn wound. There were 81 studies included in the analysis. The studies differed in terms of the design, burn wound model, source of stem cells, and methods of cellular therapy application. No major side effects were reported, and cellular therapy reduced the healing time of the burn wound. Few case reports on human models did not report any serious adverse events. However, due to the heterogeneity of the evidence, cellular therapy in burn wound treatment remains an experimental method.
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Affiliation(s)
- Agnieszka Surowiecka
- East Center of Burns Treatment and Reconstructive Surgery, Medical University of Lublin, 21-010 Leczna, Poland
- Correspondence:
| | - Anna Chrapusta
- Malopolska Burn and Plastic Surgery Center, Ludwik Rydygier Memorial Hospital in Krakow, 31-826 Cracow, Poland
| | - Maria Klimeczek-Chrapusta
- Malopolska Burn and Plastic Surgery Center, Ludwik Rydygier Memorial Hospital in Krakow, 31-826 Cracow, Poland
| | - Tomasz Korzeniowski
- East Center of Burns Treatment and Reconstructive Surgery, Medical University of Lublin, 21-010 Leczna, Poland
- Chair and Department of Didactics and Medical Simulation, Medical University of Lublin, 20-093 Lublin, Poland
| | - Justyna Drukała
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University in Krakow, 31-826 Cracow, Poland
| | - Jerzy Strużyna
- East Center of Burns Treatment and Reconstructive Surgery, Medical University of Lublin, 21-010 Leczna, Poland
- Department of Plastic Surgery, Reconstructive Surgery and Burn Treatment, Medical University of Lublin, 20-059 Lublin, Poland
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Wang K, Chen Z, Jin L, Zhao L, Meng L, Kong F, He C, Kong F, Zheng L, Liang F. LPS-pretreatment adipose-derived mesenchymal stromal cells promote wound healing in diabetic rats by improving angiogenesis. Injury 2022; 53:3920-3929. [PMID: 36357245 DOI: 10.1016/j.injury.2022.09.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 07/28/2022] [Accepted: 09/23/2022] [Indexed: 02/02/2023]
Abstract
Mesenchymal stem cells (MSCs) play a key role in wound healing, and the advantages of pretreated MSCs in wound healing have previously been reported. In the present study, we investigated the impact of LPS pretreated human adipose-derived MSCs on skin wound healing in diabetic rats. We found that some improvements occurred through improving angiogenesis. Then, we scrutinized the impact of lipopolysaccharide (LPS) treatment on human adipose-derived MSCs in a high-glucose (HG) medium, as an in vitro diabetic model. In vivo findings revealed significant improvements in epithelialization and angiogenesis of diabetic wounds which received LPS pre-MSCs. Particularly, LPS pre-MSCs-treated diabetic wounds reached considerably higher percentages of wound closure. Also, the granulation tissue of these wounds had higher pronounced epithelialization and more vascularization compared with PBS-treated and MSCs-treated diabetic ones by CD31, VEGF, CD90, collagen 1, and collagen 3 immunostaining. Western-blots analyses indicated that LPS pre-MSCs led to the upregulation of vascular endothelial growth factor (VEGF) and DNMT1. In addition, significantly higher cell viability (proliferation/colonie), and elevated VEGF and DNMT1 protein expression were observed when MSCs were treated with LPS (10 ng/ml, 6 h) in HG culture media. Based on these findings, it is suggested that LPS pre-MSCs could promote wound repair and skin regeneration, in some major processes, via the improvement of cellular behaviors of MSCs in the diabetic microenvironment. The beneficial advantages of LPS treated with mesenchymal stem cells on wound healing may lead to establishing a novel approach as an alternative therapeutic procedure to cure chronic wounds in diabetic conditions.
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Affiliation(s)
- Kuixiang Wang
- Department of Orthopaedics, Xingtai People's Hospital of Hebei Medical University, Xingtai 054000, Hebei Province, China
| | - Ziying Chen
- Department of Endocrinology, Xingtai People's Hospital of Hebei Medical University, Xingtai 054000, Hebei Province, China
| | - Liang Jin
- Department of Hand and Foot Surgery, Xingtai People's Hospital of Hebei Medical University, Xingtai 054000, Hebei Province, China
| | - Lili Zhao
- Department of Orthopaedics, Xingtai People's Hospital of Hebei Medical University, Xingtai 054000, Hebei Province, China
| | - Libin Meng
- Department of Orthopaedics, Xingtai People's Hospital of Hebei Medical University, Xingtai 054000, Hebei Province, China
| | - Fanting Kong
- Department of Oncology Surgery, Xingtai People's Hospital of Hebei Medical University, Xingtai 054000, Hebei Province, China
| | - Chenxin He
- Department of Endocrinology, Xingtai People's Hospital of Hebei Medical University, Xingtai 054000, Hebei Province, China
| | - Fanlei Kong
- Department of Orthopaedics, Xingtai People's Hospital of Hebei Medical University, Xingtai 054000, Hebei Province, China
| | - Lingtao Zheng
- Department of Endocrinology, Xingtai People's Hospital of Hebei Medical University, Xingtai 054000, Hebei Province, China
| | - Fang Liang
- Department of Endocrinology, Xingtai People's Hospital of Hebei Medical University, Xingtai 054000, Hebei Province, China.
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Sharma P, Kumar A, Dey AD. Cellular Therapeutics for Chronic Wound Healing: Future for Regenerative Medicine. Curr Drug Targets 2022; 23:1489-1504. [PMID: 35748548 DOI: 10.2174/138945012309220623144620] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 12/10/2021] [Accepted: 02/01/2022] [Indexed: 01/25/2023]
Abstract
Chronic wounds are associated with significant morbidity and mortality, which demand long-term effective treatment and represent a tremendous financial strain on the global healthcare systems. Regenerative medicines using stem cells have recently become apparent as a promising approach and are an active zone of investigation. They hold the potential to differentiate into specific types of cells and thus possess self-renewable, regenerative, and immune-modulatory effects. Furthermore, with the rise of technology, various cell therapies and cell types such as Bone Marrow and Adipose-derived Mesenchymal Cell (ADMSC), Endothelial Progenitor Cells (EPCs), Embryonic Stem Cells (ESCs), Mesenchymal Stem Cell (MSCs), and Pluripotent Stem Cells (PSCs) are studied for their therapeutic impact on reparative processes and tissue regeneration. Cell therapy has proven to have substantial control over enhancing the quality and rate of skin regeneration and wound restoration. The literature review brings to light the mechanics of wound healing, abnormalities resulting in chronic wounds, and the obstacles wound care researchers face, thus exploring the multitude of opportunities for potential improvement. Also, the review is focused on providing particulars on the possible cell-derived therapeutic choices and their associated challenges in healing, in the context of clinical trials, as solutions to these challenges will provide fresh and better future opportunities for improved study design and therefore yield a substantial amount of data for the development of more specialized treatments.
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Affiliation(s)
- Preety Sharma
- Chitkara College of Pharmacy, Chitkara University, Punjab, India.,Government Pharmacy College Kangra, Nagrota Bhagwan, Himachal Pradesh, India
| | - Arun Kumar
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Asmita Deka Dey
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
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Shi Y, Zhang X, Wan Z, Liu X, Chen F, Zhang J, Leng Y. Mesenchymal stem cells against intestinal ischemia-reperfusion injury: a systematic review and meta-analysis of preclinical studies. Stem Cell Res Ther 2022; 13:216. [PMID: 35619154 PMCID: PMC9137086 DOI: 10.1186/s13287-022-02896-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 05/09/2022] [Indexed: 01/01/2023] Open
Abstract
Background Intestinal ischemia–reperfusion injury (IRI) causes localized and distant tissue lesions. Multiple organ failure is a common complication of severe intestinal IRI, leading to its high rates of morbidity and mortality. Thus far, this is poorly treated, and there is an urgent need for new more efficacious treatments. This study evaluated the beneficial effects of mesenchymal stem cells (MSCs) therapy on intestinal IRI using many animal experiments. Methods We conducted a comprehensive literature search from 4 databases: Pubmed, Embase, Cochrane library, and Web of science. Primary outcomes included the survival rate, Chiu’s score, intestinal levels of IL-6, TNF-α and MDA, as well as serum levels of DAO, D-Lactate, and TNF-α. Statistical analysis was carried out using Review Manager 5.3. Results It included Eighteen eligible researches in the final analysis. We demonstrated that survival rates in animals following intestinal IRI were higher with MSCs treatment compared to vehicle treatment. Besides, MSCs treatment attenuated intestinal injury caused by IRI, characterized by lower Chiu’s score (− 1.96, 95% CI − 2.72 to − 1.19, P < 0.00001), less intestinal inflammation (IL-6 (− 2.73, 95% CI − 4.19 to − 1.27, P = 0.0002), TNF-α (− 3.00, 95% CI − 4.74 to − 1.26, P = 0.0007)) and oxidative stress (MDA (− 2.18, 95% CI − 3.17 to − 1.19, P < 0.0001)), and decreased serum levels of DAO (− 1.39, 95% CI − 2.07 to − 0.72, P < 0.0001), D-Lactate (− 1.54, 95% CI − 2.18 to − 0.90, P < 0.00001) and TNF-α (− 2.42, 95% CI − 3.45 to − 1.40, P < 0.00001). The possible mechanism for MSCs to treat intestinal IRI might be through reducing inflammation, alleviating oxidative stress, as well as inhibiting the apoptosis and pyroptosis of the intestinal epithelial cells. Conclusions Taken together, these studies revealed that MSCs as a promising new treatment for intestinal IRI, and the mechanism of which may be associated with inflammation, oxidative stress, apoptosis, and pyroptosis. However, further studies will be required to confirm these findings. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-022-02896-y.
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Affiliation(s)
- Yajing Shi
- The First Clinical Medical College, Lanzhou University, No. 199, Donggang Road West, Chengguan District, Lanzhou, Gansu, China
| | - Xiaolan Zhang
- The Department of Anesthesiology, Gansu Provincial Maternity and Child-Care Hospital, No. 143, Qilihe North Street, Qilihe District, Lanzhou, Gansu, China
| | - Zhanhai Wan
- The First Clinical Medical College, Lanzhou University, No. 199, Donggang Road West, Chengguan District, Lanzhou, Gansu, China. .,The Department of Anesthesiology, The First Hospital of Lanzhou University, No. 1, Donggang Road West, Chengguan District, Lanzhou, Gansu, China.
| | - Xin Liu
- The First Clinical Medical College, Lanzhou University, No. 199, Donggang Road West, Chengguan District, Lanzhou, Gansu, China.,The Department of Anesthesiology, The First Hospital of Lanzhou University, No. 1, Donggang Road West, Chengguan District, Lanzhou, Gansu, China
| | - Feng Chen
- The First Clinical Medical College, Lanzhou University, No. 199, Donggang Road West, Chengguan District, Lanzhou, Gansu, China
| | - Jianmin Zhang
- The First Clinical Medical College, Lanzhou University, No. 199, Donggang Road West, Chengguan District, Lanzhou, Gansu, China
| | - Yufang Leng
- The First Clinical Medical College, Lanzhou University, No. 199, Donggang Road West, Chengguan District, Lanzhou, Gansu, China. .,The Department of Anesthesiology, The First Hospital of Lanzhou University, No. 1, Donggang Road West, Chengguan District, Lanzhou, Gansu, China.
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Dang J, Yang J, Yu Z, Chen L, Zhang Z, Wang K, Tang J, Yi C. Bone marrow mesenchymal stem cells enhance angiogenesis and promote fat retention in fat grafting via polarized macrophages. Stem Cell Res Ther 2022; 13:52. [PMID: 35120568 PMCID: PMC8817529 DOI: 10.1186/s13287-022-02709-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 01/09/2022] [Indexed: 11/30/2022] Open
Abstract
Background Fat grafting is one of the most common soft tissue filling methods in plastic surgery. Bone marrow mesenchymal stem cell (BM-MSC) transplantation is an effective method for improving graft retention. However, the role of BM-MSCs in fat transplantation is not completely clear. Methods Human fat particles, together with BM-MSCs or PBS as a control, were subcutaneously transplanted into the backs of nude mice. Samples were taken on days 14, 30 and 90 post-grafting to calculate the fat graft retention rate, and tissue staining was evaluated. Furthermore, macrophages were treated with BM-MSC conditioned medium (BM-MSC-CM) to identify the beneficial component secreted by these stem cells. Results In this study, we found that BM-MSCs improved retention by enhancing angiogenesis in fat grafting. Further analysis revealed that BM-MSCs could significantly inhibit the expression of the proinflammatory M1 macrophage markers interleukin (IL)-1β, tumor necrosis factor-α (TNF-α) and IL-6 in the early stages of fat grafting and promote the expression of the anti-inflammatory M2 macrophage markers Arg1, IL-10 and VEGF. Furthermore, our results showed that IL-10 secreted by BM-MSCs induced M2 macrophage polarization in vitro. Conclusions BM-MSC transplantation can improve the fat retention rate and promote angiogenesis, which may be related to M2 macrophages. These results help elucidate the role of BM-MSCs in fat grafting.
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Affiliation(s)
- Juanli Dang
- Department of Plastic and Reconstructive Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Jizhong Yang
- Department of Plastic and Reconstructive Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Zhou Yu
- Department of Plastic and Reconstructive Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Lin Chen
- Department of Plastic and Reconstructive Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Zhaoxiang Zhang
- Department of Plastic and Reconstructive Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Kai Wang
- Department of Plastic and Reconstructive Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Jiezhang Tang
- Department of Plastic and Reconstructive Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Chenggang Yi
- Department of Plastic and Reconstructive Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China. .,Department of Plastic Surgery, The Second Affiliated Hospital, Medical School, Zhejiang University, Hangzhou, China.
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Yi H, Wang Y, Liang Q, Mao X. Preclinical and Clinical Amelioration of Bone Fractures with Mesenchymal Stromal Cells: a Systematic Review and Meta-Analysis. Cell Transplant 2022; 31:9636897211051743. [PMID: 35916286 PMCID: PMC9350497 DOI: 10.1177/09636897211051743] [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] [Indexed: 12/09/2022] Open
Abstract
Even though reunion of bone fracture confronts clinicians, mesenchymal stromal
cells (MSCs) are investigated to be curative in bone fracture. This study aimed
to explore the application potential of MSCs for healing bone fractures. By
inputting search terms and retrieving studies published up to March 2021,
multiple databases, including PubMed, EMBASE, Web of Science, and Cochrane
Library, were searched to identify eligible studies. The mean difference (MD)
and 95% confidence interval (95% CI) were calculated to analyze the main results
in the meta-analysis. Data analysis was performed using Engauge Digitizer 10.8
and R Software. Of the 31 articles, 26 were preclinical studies
(n = 913), and 5 were clinical trials (n =
335). Preclinically, MSCs therapy significantly augmented the progress of bone
regeneration [(bone volume over tissue volume (MD7.35, p <
0.01)], despite some non-significant effects (on the callus index, bone
strength, work to failure, and stiffness). Clinically, the MSC group had a
significantly reduced incidence of poor recovery (odds ratio (OR) 0.30,
p < 0.01); however, a significant decrease in healing
time was not observed in the MSC group (MD 2.47, p = 0.26). In
summary, our data suggest that patients with bone fractures benefited from MSC
administration and that MSCs are a potentially useful agent for bone
regeneration. Despite these satisfactory outcomes, larger randomised clinical
trials (RCTs) are necessary to confirm these findings.
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Affiliation(s)
- Hanxiao Yi
- Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yang Wang
- Department of Orthopaedics, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong Province, China
| | - Qunying Liang
- Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Xiaoqun Mao
- Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
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